/*
 * Enerji Ankara — Stilleri
 * UPS / Voltaj Regülatörü / Akü Çözümleri
 * Bricolage Grotesque + Outfit + JetBrains Mono
 */

:root {
    --blue: #0B3B8C;
    --blue-dark: #061E4A;
    --blue-mid: #1E4FB8;
    --blue-light: #3B82F6;
    --blue-50: #EFF6FF;
    --blue-100: #DBEAFE;
    --red: #DC2626;
    --red-dark: #991B1B;
    --red-50: #FEF2F2;
    --red-100: #FEE2E2;
    --bg: #FFFFFF;
    --bg-soft: #F8FAFC;
    --bg-darker: #0A1628;
    --text: #0F172A;
    --text-soft: #475569;
    --text-mute: #94A3B8;
    --border: #E2E8F0;
    --green: #10B981;
    --shadow-sm: 0 1px 2px rgba(15,23,42,.06);
    --shadow: 0 4px 14px rgba(15,23,42,.08);
    --shadow-md: 0 8px 24px rgba(15,23,42,.10);
    --shadow-lg: 0 20px 48px rgba(11,59,140,.15);
    --shadow-xl: 0 32px 80px rgba(11,59,140,.20);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Outfit', sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.display { font-family: 'Bricolage Grotesque', sans-serif; font-variation-settings: "opsz" 96; }
.mono { font-family: 'JetBrains Mono', monospace; }

.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* TOP BAR */
.topbar {
    background: var(--bg-darker);
    color: rgba(219,234,254,.85);
    font-size: 13px;
    padding: 10px 0;
    position: relative; overflow: hidden;
}
.topbar::before {
    content: ''; position: absolute; top: 0; left: 0; bottom: 0;
    width: 30%;
    background: linear-gradient(90deg, var(--red) 0%, transparent 100%);
    opacity: .15;
}
.topbar .container {
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 12px; position: relative;
}
.topbar-info { display: flex; gap: 24px; flex-wrap: wrap; }
.topbar-info span { display: inline-flex; align-items: center; gap: 6px; }
.topbar-cta { display: flex; gap: 18px; align-items: center; }
.topbar-cta a { transition: color .2s; font-weight: 500; }
.topbar-cta a:hover { color: #fff; }
.live-indicator {
    display: inline-flex; align-items: center; gap: 6px;
    background: rgba(16,185,129,.15);
    color: #34D399;
    padding: 3px 10px; border-radius: 100px;
    font-size: 11px; font-weight: 600;
    border: 1px solid rgba(16,185,129,.3);
}
.live-indicator .dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: #34D399; animation: pulse 1.5s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: .5; transform: scale(.85); }
}

/* HEADER */
.header {
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 100;
}
.header .container {
    display: flex; justify-content: space-between; align-items: center;
    height: 84px;
}
.logo {
    display: flex; align-items: center; gap: 14px;
    color: var(--blue);
}
.logo-mark {
    width: 48px; height: 48px;
    background: linear-gradient(135deg, var(--blue) 0%, var(--blue-mid) 100%);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-weight: 800; font-size: 18px;
    position: relative; overflow: hidden;
    font-family: 'Bricolage Grotesque', sans-serif;
    box-shadow: 0 8px 16px rgba(11,59,140,.25);
}
.logo-mark::before {
    content: ''; position: absolute; bottom: 0; right: 0;
    width: 50%; height: 50%;
    background: var(--red);
    clip-path: polygon(100% 0, 100% 100%, 0 100%);
}
.logo-mark span { position: relative; z-index: 1; }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-text .name { font-family: 'Bricolage Grotesque', sans-serif; font-weight: 800; font-size: 20px; letter-spacing: -.5px; }
.logo-text .tag { font-size: 10px; font-weight: 600; color: var(--text-soft); letter-spacing: 1.5px; text-transform: uppercase; margin-top: 4px; }

.nav { display: flex; gap: 4px; align-items: center; }
.nav a {
    padding: 10px 16px;
    font-weight: 500; font-size: 15px;
    color: var(--text-soft);
    border-radius: 10px;
    transition: all .2s;
    position: relative;
}
.nav a:hover { color: var(--blue); background: var(--blue-50); }
.nav .has-arrow::after { content: '▾'; margin-left: 4px; font-size: 10px; opacity: .5; }
.nav .btn-call {
    background: var(--blue); color: #fff !important;
    padding: 11px 20px; font-weight: 600;
    margin-left: 8px;
    box-shadow: 0 8px 20px rgba(11,59,140,.3);
    display: inline-flex; align-items: center; gap: 6px;
}
.nav .btn-call:hover { background: var(--blue-dark); transform: translateY(-1px); }

.menu-toggle { display: none; background: none; border: 0; font-size: 24px; cursor: pointer; color: var(--blue); }

/* HERO */
.hero {
    background: linear-gradient(180deg, var(--bg) 0%, var(--blue-50) 100%);
    padding: 70px 0 100px;
    position: relative; overflow: hidden;
}
.hero-grid-pattern {
    position: absolute; inset: 0;
    background-image:
            linear-gradient(rgba(11,59,140,.04) 1px, transparent 1px),
            linear-gradient(90deg, rgba(11,59,140,.04) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 40%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 40%, transparent 100%);
}
.hero-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
}
.hero-blob-1 {
    top: -10%; right: -5%;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(220,38,38,.18) 0%, transparent 70%);
}
.hero-blob-2 {
    bottom: -20%; left: -10%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(11,59,140,.18) 0%, transparent 70%);
}
.hero .container { display: grid; grid-template-columns: 1fr 1.05fr; gap: 60px; align-items: center; position: relative; z-index: 1; }

.hero-badge {
    display: inline-flex; align-items: center; gap: 10px;
    background: #fff;
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 13px; font-weight: 500;
    color: var(--blue); margin-bottom: 28px;
    box-shadow: var(--shadow-sm);
}
.hero-badge .pill {
    background: var(--red); color: #fff;
    padding: 2px 10px; border-radius: 100px;
    font-size: 11px; font-weight: 700;
    letter-spacing: .5px;
}

.hero h1 {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-variation-settings: "opsz" 96;
    font-size: clamp(40px, 5.5vw, 68px);
    font-weight: 800;
    line-height: .98;
    letter-spacing: -2.5px;
    margin-bottom: 24px;
}
.hero h1 .accent { color: var(--red); }
.hero h1 .blue { color: var(--blue); }
.hero h1 .underline {
    position: relative; display: inline-block;
}
.hero h1 .underline::after {
    content: ''; position: absolute; bottom: 0; left: 0; right: 0;
    height: 12px;
    background: var(--red);
    opacity: .25;
    z-index: -1;
    transform: skewX(-8deg);
}

.hero p.lead {
    font-size: 19px;
    color: var(--text-soft);
    margin-bottom: 36px;
    max-width: 540px;
    line-height: 1.6;
}

.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 15px 28px;
    border-radius: 12px;
    font-weight: 600; font-size: 15px;
    transition: all .2s;
    cursor: pointer; border: 0;
    font-family: inherit;
    letter-spacing: -.2px;
}
.btn-primary {
    background: var(--blue); color: #fff;
    box-shadow: 0 12px 28px rgba(11,59,140,.3);
}
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-2px); box-shadow: 0 16px 36px rgba(11,59,140,.4); }
.btn-red { background: var(--red); color: #fff; box-shadow: 0 12px 28px rgba(220,38,38,.3); }
.btn-red:hover { background: var(--red-dark); transform: translateY(-2px); }
.btn-outline {
    background: rgba(255,255,255,.7); color: var(--blue);
    border: 1px solid var(--border);
    backdrop-filter: blur(8px);
}
.btn-outline:hover { border-color: var(--blue); background: #fff; }
.btn-arrow { transition: transform .2s; display: inline-block; }
.btn:hover .btn-arrow { transform: translateX(4px); }

.hero-trust {
    display: flex; align-items: center; gap: 16px;
    margin-top: 32px;
    padding-top: 28px;
    border-top: 1px dashed rgba(15,23,42,.15);
}
.hero-trust-avatars { display: flex; }
.hero-trust-avatars .avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    border: 2px solid #fff;
    margin-left: -8px;
    background: linear-gradient(135deg, var(--blue) 0%, var(--blue-mid) 100%);
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-weight: 700; font-size: 13px;
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
}
.hero-trust-avatars .avatar:nth-child(2) { background: linear-gradient(135deg, var(--red) 0%, #F97316 100%); }
.hero-trust-avatars .avatar:nth-child(3) { background: linear-gradient(135deg, #059669 0%, #10B981 100%); }
.hero-trust-avatars .avatar:nth-child(4) { background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 100%); }
.hero-trust-text strong { display: block; font-size: 14px; }
.hero-trust-text span { font-size: 13px; color: var(--text-soft); }

/* HERO VISUAL — Live Dashboard Mock */
.hero-visual { position: relative; height: 540px; }

.dashboard {
    position: absolute; inset: 0;
    background: linear-gradient(160deg, var(--bg-darker) 0%, #1E293B 100%);
    border-radius: 24px;
    padding: 24px;
    color: #fff;
    box-shadow: var(--shadow-xl);
    display: flex; flex-direction: column; gap: 16px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.08);
}
.dashboard::before {
    content: ''; position: absolute; top: -100px; right: -100px;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(220,38,38,.3) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
}
.dashboard::after {
    content: ''; position: absolute; bottom: -50px; left: -50px;
    width: 200px; height: 200px;
    background: radial-gradient(circle, rgba(59,130,246,.4) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
}
.dashboard > * { position: relative; z-index: 1; }

.dash-header {
    display: flex; justify-content: space-between; align-items: center;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.dash-header .title { font-weight: 700; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.dash-header .title::before {
    content: ''; width: 8px; height: 8px; border-radius: 50%;
    background: var(--green); box-shadow: 0 0 12px var(--green);
    animation: pulse 1.5s infinite;
}
.dash-header .meta { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: rgba(255,255,255,.5); }

.dash-main { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.dash-card {
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 12px;
    padding: 16px;
}
.dash-card .label { font-size: 11px; color: rgba(255,255,255,.5); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.dash-card .value { font-family: 'JetBrains Mono', monospace; font-size: 26px; font-weight: 700; color: #fff; }
.dash-card .value .unit { font-size: 14px; opacity: .6; margin-left: 2px; }
.dash-card .trend {
    margin-top: 8px;
    font-size: 11px;
    display: flex; align-items: center; gap: 4px;
    color: var(--green);
}
.dash-card.alert .value { color: #FCD34D; }
.dash-card.alert { border-color: rgba(252,211,77,.3); }
.dash-card.alert .trend { color: #FCD34D; }

.dash-graph {
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 12px;
    padding: 16px;
    flex: 1;
    display: flex; flex-direction: column;
}
.dash-graph-header { display: flex; justify-content: space-between; margin-bottom: 12px; }
.dash-graph-header .label { font-size: 12px; color: rgba(255,255,255,.7); font-weight: 500; }
.dash-graph-header .stat { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--green); }
.dash-graph-svg { flex: 1; width: 100%; }

.dash-bar {
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 12px;
    padding: 14px 16px;
    display: flex; justify-content: space-between; align-items: center;
}
.dash-bar .left { display: flex; align-items: center; gap: 12px; font-size: 13px; }
.dash-bar .ico {
    width: 32px; height: 32px; border-radius: 8px;
    background: rgba(220,38,38,.15);
    color: var(--red); display: flex; align-items: center; justify-content: center;
    font-size: 16px;
}
.dash-bar .battery {
    display: flex; align-items: center; gap: 6px;
    font-family: 'JetBrains Mono', monospace; font-size: 13px;
}
.dash-bar .battery-bar {
    width: 60px; height: 8px;
    background: rgba(255,255,255,.1);
    border-radius: 100px; overflow: hidden;
}
.dash-bar .battery-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--green) 0%, #34D399 100%);
    border-radius: 100px;
    width: 87%;
}

.floating-spec {
    position: absolute; right: -24px; top: 30%;
    background: #fff;
    padding: 16px 20px;
    border-radius: 14px;
    box-shadow: var(--shadow-xl);
    display: flex; align-items: center; gap: 12px;
    z-index: 2;
    animation: float 4s ease-in-out infinite;
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}
.floating-spec .ico {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, var(--red) 0%, #F97316 100%);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 20px;
}
.floating-spec strong { display: block; font-size: 14px; font-weight: 700; }
.floating-spec span { font-size: 12px; color: var(--text-soft); }

.floating-cert {
    position: absolute; left: -28px; bottom: 60px;
    background: #fff;
    padding: 14px 18px;
    border-radius: 14px;
    box-shadow: var(--shadow-lg);
    z-index: 2;
    animation: float 5s ease-in-out infinite reverse;
}
.floating-cert .grid { display: flex; align-items: center; gap: 10px; }
.floating-cert .badge {
    width: 36px; height: 36px;
    background: var(--blue-50); color: var(--blue);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px;
}
.floating-cert strong { font-size: 13px; display: block; }
.floating-cert span { font-size: 11px; color: var(--text-soft); }

/* MARQUEE — Customer Logos */
.marquee {
    background: #fff;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 32px 0;
    overflow: hidden;
}
.marquee-label {
    text-align: center; font-size: 12px; font-weight: 600;
    color: var(--text-mute); letter-spacing: 2px;
    text-transform: uppercase; margin-bottom: 24px;
}
.marquee-track {
    display: flex; gap: 60px;
    animation: scroll 40s linear infinite;
    white-space: nowrap;
}
@keyframes scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}
.marquee-item {
    flex-shrink: 0;
    font-family: 'Bricolage Grotesque', sans-serif;
    font-weight: 700;
    font-size: 22px;
    color: var(--text-mute);
    letter-spacing: -.5px;
    transition: color .25s;
    display: flex; align-items: center; gap: 10px;
}
.marquee-item:hover { color: var(--blue); }
.marquee-item .dot { width: 8px; height: 8px; background: currentColor; border-radius: 50%; opacity: .4; }

/* SECTIONS */
.section { padding: 100px 0; position: relative; }
.section-soft { background: var(--bg-soft); }

.section-header { max-width: 720px; margin: 0 auto 64px; text-align: center; }
.section-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    color: var(--red);
    font-weight: 600; font-size: 12px;
    letter-spacing: 2.5px; text-transform: uppercase;
    margin-bottom: 16px;
}
.section-eyebrow::before, .section-eyebrow::after {
    content: ''; width: 24px; height: 1px; background: currentColor;
}
.section-title {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-variation-settings: "opsz" 96;
    font-size: clamp(32px, 4.5vw, 48px);
    font-weight: 800;
    letter-spacing: -1.5px;
    line-height: 1.05;
    margin-bottom: 18px;
}
.section-subtitle { color: var(--text-soft); font-size: 17px; max-width: 580px; margin: 0 auto; }

/* TABBED PRODUCTS */
.tabs-wrap {
    display: flex; justify-content: center;
    margin-bottom: 48px;
}
.tabs {
    display: inline-flex;
    background: #fff;
    border: 1px solid var(--border);
    padding: 6px;
    border-radius: 14px;
    box-shadow: var(--shadow-sm);
    gap: 4px;
    flex-wrap: wrap;
}
.tab {
    padding: 12px 22px;
    border-radius: 10px;
    font-weight: 600; font-size: 14px;
    color: var(--text-soft);
    cursor: pointer;
    transition: all .2s;
    border: 0; background: transparent;
    font-family: inherit;
    display: inline-flex; align-items: center; gap: 8px;
}
.tab:hover { color: var(--blue); }
.tab.active {
    background: var(--blue);
    color: #fff;
    box-shadow: 0 4px 12px rgba(11,59,140,.25);
}

.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeUp .4s ease-out; }
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.product-showcase {
    display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px;
    align-items: center;
}
.product-info h3 {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 36px; font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.1;
    margin-bottom: 16px;
}
.product-info > p {
    font-size: 16px; color: var(--text-soft);
    margin-bottom: 28px;
}
.specs-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
    margin-bottom: 32px;
}
.spec {
    padding: 16px 18px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: all .2s;
}
.spec:hover { border-color: var(--blue); box-shadow: var(--shadow); }
.spec-label { font-size: 11px; color: var(--text-mute); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; font-weight: 600; }
.spec-value { font-weight: 700; font-size: 17px; color: var(--text); }
.spec-value .mono-val { font-family: 'JetBrains Mono', monospace; font-size: 15px; }
.spec-value .red { color: var(--red); }

.model-list {
    display: flex; flex-wrap: wrap; gap: 8px;
    margin-bottom: 28px;
}
.model-tag {
    padding: 6px 12px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 13px; color: var(--text-soft);
    font-family: 'JetBrains Mono', monospace;
    transition: all .2s;
}
.model-tag:hover { color: var(--blue); border-color: var(--blue); }

.product-visual {
    position: relative;
    aspect-ratio: 1 / 1;
    background: linear-gradient(160deg, var(--blue-50) 0%, #fff 100%);
    border-radius: 24px;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    border: 1px solid var(--border);
}
.product-visual::before {
    content: ''; position: absolute; inset: 0;
    background-image: radial-gradient(circle at 30% 30%, rgba(11,59,140,.08) 0%, transparent 50%);
}
.product-3d {
    width: 60%; max-width: 320px;
    aspect-ratio: 3 / 4;
    background: linear-gradient(180deg, #1E40AF 0%, #061E4A 100%);
    border-radius: 12px;
    border: 2px solid rgba(255,255,255,.15);
    position: relative;
    box-shadow: 0 40px 80px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.1);
    transform: perspective(800px) rotateY(-8deg) rotateX(2deg);
    transition: transform .5s ease;
}
.product-visual:hover .product-3d { transform: perspective(800px) rotateY(-4deg) rotateX(0deg) translateY(-8px); }

.product-3d::before {
    content: 'EAG'; position: absolute; top: 18px; left: 50%;
    transform: translateX(-50%);
    font-family: 'Bricolage Grotesque', sans-serif;
    font-weight: 800; font-size: 16px; letter-spacing: 3px;
    color: rgba(255,255,255,.95);
}
.product-3d-screen {
    position: absolute; top: 60px; left: 24px; right: 24px;
    height: 80px;
    background: #000;
    border-radius: 6px;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    border: 1px solid rgba(255,255,255,.1);
    padding: 12px;
    gap: 4px;
}
.product-3d-screen .row {
    width: 100%; display: flex; justify-content: space-between; align-items: center;
    font-family: 'JetBrains Mono', monospace; font-size: 11px;
}
.product-3d-screen .led {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--green); box-shadow: 0 0 8px var(--green);
    animation: pulse 1.5s infinite;
}
.product-3d-screen .label { color: rgba(255,255,255,.5); font-size: 9px; text-transform: uppercase; }
.product-3d-screen .val { color: var(--green); font-weight: 600; }
.product-3d-buttons {
    position: absolute; top: 160px; left: 24px; right: 24px;
    display: flex; gap: 8px; justify-content: center;
}
.product-3d-buttons .btn-3d {
    width: 28px; height: 28px;
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 6px;
}
.product-3d-vents {
    position: absolute; bottom: 30px; left: 24px; right: 24px;
    display: grid; grid-template-columns: repeat(10, 1fr); gap: 3px;
}
.product-3d-vents div { height: 50px; background: rgba(0,0,0,.4); border-radius: 1px; }
.product-3d-bottom {
    position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%);
    font-family: 'JetBrains Mono', monospace; font-size: 9px;
    color: rgba(255,255,255,.4);
}

.product-tag-3d {
    position: absolute; top: 20px; right: 20px;
    background: var(--red); color: #fff;
    padding: 8px 14px;
    border-radius: 100px;
    font-size: 12px; font-weight: 700;
    letter-spacing: .5px;
    box-shadow: 0 8px 16px rgba(220,38,38,.4);
}

/* WHY US */
.why-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
}
.feature-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 32px;
    display: flex; gap: 20px;
    transition: all .25s;
    position: relative; overflow: hidden;
}
.feature-card::before {
    content: ''; position: absolute; top: 0; left: 0; bottom: 0;
    width: 4px;
    background: var(--blue);
    transform: scaleY(0); transform-origin: top;
    transition: transform .3s;
}
.feature-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.feature-card:hover::before { transform: scaleY(1); }
.feature-card:nth-child(2)::before { background: var(--red); }
.feature-card:nth-child(3)::before { background: var(--red); }
.feature-card .icon {
    flex-shrink: 0;
    width: 56px; height: 56px;
    background: linear-gradient(135deg, var(--blue-50) 0%, #fff 100%);
    border: 1px solid var(--blue-100);
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    color: var(--blue);
    font-size: 26px;
}
.feature-card:nth-child(2) .icon, .feature-card:nth-child(3) .icon {
    background: linear-gradient(135deg, var(--red-50) 0%, #fff 100%);
    border-color: var(--red-100);
    color: var(--red);
}
.feature-card h4 {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 20px; font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -.5px;
}
.feature-card p { color: var(--text-soft); font-size: 15px; }

/* PROCESS TIMELINE */
.timeline {
    position: relative;
    max-width: 920px;
    margin: 0 auto;
}
.timeline::before {
    content: ''; position: absolute;
    left: 28px; top: 28px; bottom: 28px;
    width: 2px;
    background: linear-gradient(180deg, var(--blue) 0%, var(--red) 100%);
    opacity: .25;
}
.timeline-item {
    display: grid; grid-template-columns: 56px 1fr;
    gap: 28px;
    padding: 24px 0;
    position: relative;
}
.timeline-num {
    width: 56px; height: 56px;
    background: #fff;
    border: 2px solid var(--blue);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-family: 'Bricolage Grotesque', sans-serif;
    font-weight: 800; font-size: 20px;
    color: var(--blue);
    z-index: 1;
    box-shadow: 0 4px 12px rgba(11,59,140,.15);
}
.timeline-item:nth-child(even) .timeline-num { border-color: var(--red); color: var(--red); }
.timeline-content {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px 28px;
    transition: all .2s;
}
.timeline-content:hover { box-shadow: var(--shadow); transform: translateX(4px); }
.timeline-content h4 {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 19px; font-weight: 700;
    letter-spacing: -.3px;
    margin-bottom: 6px;
}
.timeline-content p { color: var(--text-soft); font-size: 15px; margin-bottom: 12px; }
.timeline-meta { display: flex; gap: 14px; font-size: 13px; color: var(--text-mute); }
.timeline-meta span { display: inline-flex; align-items: center; gap: 4px; }

/* TESTIMONIALS */
.testimonials-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.testimonial {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 32px;
    transition: all .25s;
    position: relative;
}
.testimonial:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: var(--blue-100); }
.testimonial .quote {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 60px; line-height: .5;
    color: var(--blue-100);
    height: 24px;
    margin-bottom: 8px;
}
.testimonial-text {
    font-size: 15px; color: var(--text);
    line-height: 1.7;
    margin-bottom: 24px;
}
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--blue) 0%, var(--blue-mid) 100%);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 16px;
    font-family: 'Bricolage Grotesque', sans-serif;
}
.testimonial:nth-child(2) .testimonial-avatar { background: linear-gradient(135deg, var(--red) 0%, #F97316 100%); }
.testimonial:nth-child(3) .testimonial-avatar { background: linear-gradient(135deg, #059669 0%, #10B981 100%); }
.testimonial-author strong { display: block; font-size: 14px; font-weight: 600; }
.testimonial-author span { font-size: 13px; color: var(--text-soft); }
.testimonial-rating {
    color: #FBBF24; font-size: 13px;
    margin-bottom: 12px;
}

/* CTA */
.cta {
    background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 100%);
    color: #fff;
    padding: 80px 0;
    position: relative; overflow: hidden;
}
.cta::before {
    content: ''; position: absolute; top: -30%; right: -5%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(220,38,38,.3) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
}
.cta::after {
    content: ''; position: absolute; inset: 0;
    background-image:
            linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
            linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, #000 30%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, #000 30%, transparent 100%);
}
.cta .container { position: relative; z-index: 1; }
.cta-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center; }
.cta h2 {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: clamp(32px, 4.5vw, 48px);
    font-weight: 800;
    letter-spacing: -1.5px;
    line-height: 1.05;
    margin-bottom: 20px;
}
.cta h2 .red { color: #FCA5A5; }
.cta-grid > div:first-child > p { font-size: 17px; opacity: .85; margin-bottom: 28px; }
.cta-features { display: grid; gap: 12px; }
.cta-features .item { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.cta-features .check {
    width: 22px; height: 22px;
    background: rgba(255,255,255,.15);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 700;
    color: #FCA5A5;
}

.cta-form {
    background: rgba(255,255,255,.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 20px;
    padding: 32px;
}
.cta-form h3 {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 22px; font-weight: 700;
    margin-bottom: 6px;
}
.cta-form > p { font-size: 14px; opacity: .75; margin-bottom: 20px; }
.form-row { display: grid; gap: 12px; margin-bottom: 12px; }
.form-input {
    width: 100%;
    padding: 13px 16px;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 10px;
    color: #fff;
    font-family: inherit; font-size: 14px;
    transition: all .2s;
}
.form-input::placeholder { color: rgba(255,255,255,.4); }
.form-input:focus { outline: none; border-color: rgba(255,255,255,.4); background: rgba(255,255,255,.1); }
.cta-form .btn { width: 100%; justify-content: center; margin-top: 8px; }
.cta-form .small { font-size: 12px; opacity: .55; text-align: center; margin-top: 14px; }

/* FOOTER */
.footer {
    background: var(--bg-darker);
    color: rgba(255,255,255,.65);
    padding: 70px 0 28px;
    position: relative;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2.2fr 1fr 1fr 1.3fr;
    gap: 48px;
    margin-bottom: 48px;
}
.footer h5 {
    color: #fff; font-size: 13px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 1.5px;
    margin-bottom: 20px;
}
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 11px; }
.footer ul a { font-size: 14px; transition: color .2s; }
.footer ul a:hover { color: #fff; }
.footer .logo { color: #fff; margin-bottom: 18px; }
.footer-about p { font-size: 14px; line-height: 1.7; max-width: 380px; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
    width: 38px; height: 38px;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 16px;
    transition: all .2s;
}
.footer-social a:hover { background: var(--blue); color: #fff; border-color: var(--blue); }
.footer-contact .item { margin-bottom: 16px; font-size: 14px; }
.footer-contact .item strong { display: block; color: #fff; margin-bottom: 4px; font-size: 12px; text-transform: uppercase; letter-spacing: 1px; }
.footer-contact .item.phone { font-family: 'JetBrains Mono', monospace; font-size: 15px; color: #fff; font-weight: 600; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.08);
    padding-top: 24px;
    display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
    font-size: 13px;
}

/* SCROLL REVEAL */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* RESPONSIVE */
@media (max-width: 1080px) {
    .hero .container { grid-template-columns: 1fr; gap: 48px; }
    .hero-visual { height: 420px; max-width: 540px; margin: 0 auto; width: 100%; }
    .product-showcase { grid-template-columns: 1fr; }
    .cta-grid { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 880px) {
    .nav { display: none; }
    .menu-toggle { display: block; }
    .why-grid, .testimonials-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .specs-grid { grid-template-columns: 1fr; }
    .timeline::before { left: 20px; }
    .timeline-item { grid-template-columns: 40px 1fr; gap: 18px; }
    .timeline-num { width: 40px; height: 40px; font-size: 16px; }
}
@media (max-width: 560px) {
    .hero { padding: 50px 0 70px; }
    .section { padding: 70px 0; }
    .floating-spec { right: 0; }
    .floating-cert { left: 0; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero-trust { flex-direction: column; align-items: flex-start; }
}

/* ============================================================
   GENİŞLETME PAKETİ — Ek bileşenler ve token'lar
   ============================================================ */

/* ----- Ek renk token'ları ----- */
:root {
    --blue-deep: #061128;
    --blue-elec: #3B82F6;
    --blue-200: #BFDBFE;
    --red-deep: #7F1D1D;
    --green-light: #34D399;
    --amber: #F59E0B;
    --amber-light: #FCD34D;

    --bg-night: #061128;
    --ink: #050B1A;
    --ink-soft: #1E293B;

    --shadow-red: 0 16px 40px rgba(220,38,38,.30);
    --ease-out: cubic-bezier(.22,.61,.36,1);
    --ease-spring: cubic-bezier(.34,1.56,.64,1);

    --font-mono: 'JetBrains Mono', monospace;
}

/* ============================================================
   CUSTOM CURSOR
   HTML: <div class="cursor"></div><div class="cursor-dot"></div>
   ============================================================ */
body.has-custom-cursor { cursor: none; }
body.has-custom-cursor a, body.has-custom-cursor button { cursor: none; }
@media (max-width: 1024px) { body.has-custom-cursor { cursor: auto; } }

.cursor, .cursor-dot {
    position: fixed; pointer-events: none; z-index: 9999;
    top: 0; left: 0;
    transform: translate(-50%, -50%);
    transition: transform .12s var(--ease-out), width .25s var(--ease-out),
    height .25s var(--ease-out), border-color .25s, background .25s;
    will-change: transform;
}
.cursor {
    width: 36px; height: 36px;
    border: 1.5px solid var(--blue);
    border-radius: 50%;
    mix-blend-mode: difference;
    border-color: rgba(255,255,255,.6);
}
.cursor-dot {
    width: 4px; height: 4px;
    background: var(--red);
    border-radius: 50%;
}
.cursor.hover {
    width: 56px; height: 56px;
    background: rgba(11,59,140,.1);
    border-color: var(--blue-elec);
}
.cursor.click { width: 24px; height: 24px; background: var(--red); border-color: var(--red); }
@media (max-width: 1024px) { .cursor, .cursor-dot { display: none; } }

/* ============================================================
   PRELOADER
   HTML: <div class="preloader" id="preloader">
           <div class="preloader-content">
             <div class="preloader-mark"><span>EA</span></div>
             <div class="preloader-text">Sistem başlatılıyor</div>
             <div class="preloader-bar"></div>
           </div>
         </div>
   JS: setTimeout(() => preloader.classList.add('done'), 800);
   ============================================================ */
.preloader {
    position: fixed; inset: 0; z-index: 9998;
    background: var(--bg-night);
    display: flex; align-items: center; justify-content: center;
    transition: opacity .6s var(--ease-out), visibility .6s;
}
.preloader.done { opacity: 0; visibility: hidden; }
.preloader-content { text-align: center; color: #fff; }
.preloader-mark {
    width: 80px; height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--blue) 0%, var(--blue-elec) 100%);
    border-radius: 18px;
    display: flex; align-items: center; justify-content: center;
    font-family: 'Bricolage Grotesque', sans-serif; font-weight: 800; font-size: 30px;
    color: #fff;
    position: relative; overflow: hidden;
    animation: pulseLogo 1.4s var(--ease-out) infinite;
}
.preloader-mark::before {
    content: ''; position: absolute; bottom: 0; right: 0;
    width: 50%; height: 50%; background: var(--red);
    clip-path: polygon(100% 0, 100% 100%, 0 100%);
}
.preloader-mark span { position: relative; z-index: 1; }
@keyframes pulseLogo {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(59,130,246,.6); }
    50% { transform: scale(1.05); box-shadow: 0 0 0 18px rgba(59,130,246,0); }
}
.preloader-text {
    font-family: var(--font-mono); font-size: 12px;
    letter-spacing: 4px; text-transform: uppercase; opacity: .6;
}
.preloader-bar {
    width: 220px; height: 2px;
    background: rgba(255,255,255,.1);
    border-radius: 2px; margin-top: 20px;
    overflow: hidden; position: relative;
}
.preloader-bar::after {
    content: ''; position: absolute; top: 0; left: 0; bottom: 0;
    width: 30%;
    background: linear-gradient(90deg, var(--blue-elec), var(--red));
    animation: barSlide 1.2s var(--ease-out) infinite;
}
@keyframes barSlide {
    0% { left: -30%; }
    100% { left: 100%; }
}

/* ============================================================
   SCROLL PROGRESS BAR
   HTML: <div class="scroll-progress"><div class="scroll-progress-bar" id="scroll-bar"></div></div>
   JS: window.scrollY oranı → scroll-bar.style.width
   ============================================================ */
.scroll-progress {
    position: fixed; top: 0; left: 0; right: 0;
    height: 3px; z-index: 1000;
    background: transparent;
}
.scroll-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--blue) 0%, var(--blue-elec) 50%, var(--red) 100%);
    width: 0%;
    transition: width .1s linear;
}

/* ============================================================
   SECTION META — Numaralı başlık
   HTML: <div class="section-meta"><span class="num">01</span> Bölüm Adı</div>
   ============================================================ */
.section-meta {
    display: flex; align-items: center; gap: 14px;
    font-family: var(--font-mono); font-size: 11px; font-weight: 600;
    letter-spacing: 2.5px; text-transform: uppercase;
    color: var(--red); margin-bottom: 24px;
}
.section-meta::before {
    content: ''; width: 32px; height: 1px; background: currentColor;
}
.section-meta .num { color: var(--text-mute); }

/* Underline accent — h2 içinde kullan */
.h-underline {
    position: relative; display: inline-block;
}
.h-underline::after {
    content: ''; position: absolute; left: 0; right: 0; bottom: 6%;
    height: 14px; background: var(--blue-100);
    z-index: -1;
    transform: skewX(-6deg);
}

/* ============================================================
   STATS GRID
   HTML:
   <div class="stats-grid">
     <div class="stat-card reveal">
       <div class="icon"><svg>...</svg></div>
       <div class="num"><span data-counter="5">0</span><span class="small">ms</span></div>
       <div class="label">Tepki Süresi</div>
       <div class="desc">Açıklama metni.</div>
     </div>
     ...
   </div>
   ============================================================ */
.stats-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px;
}
.stat-card {
    padding: 36px 32px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    position: relative; overflow: hidden;
    transition: all .3s var(--ease-out);
}
.stat-card:hover {
    border-color: var(--blue);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.stat-card .icon {
    width: 44px; height: 44px;
    background: linear-gradient(135deg, var(--blue-50) 0%, #fff 100%);
    border: 1px solid var(--blue-100);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    color: var(--blue);
    margin-bottom: 24px;
}
.stat-card:nth-child(2) .icon {
    background: linear-gradient(135deg, var(--red-50) 0%, #fff 100%);
    border-color: var(--red-100); color: var(--red);
}
.stat-card .num {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 56px; font-weight: 700;
    line-height: .9; letter-spacing: -.04em;
    color: var(--text); margin-bottom: 8px;
}
.stat-card .num .small { font-size: 24px; color: var(--text-soft); margin-left: 2px; }
.stat-card .label {
    font-family: var(--font-mono); font-size: 11px;
    color: var(--text-mute);
    letter-spacing: 2px; text-transform: uppercase;
    margin-bottom: 14px;
}
.stat-card .desc {
    font-size: 14px; color: var(--text-soft); line-height: 1.5;
}
@media (max-width: 1100px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .stats-grid { grid-template-columns: 1fr; } }

/* ============================================================
   POWER OUTAGE SIMULATOR
   Ayrı bölüm — section.simulator içinde kullanılır.
   ============================================================ */
.simulator {
    background: var(--bg-night);
    color: #fff;
    padding: 100px 0;
    position: relative; overflow: hidden;
}
.simulator::before {
    content: ''; position: absolute; inset: 0;
    background:
            radial-gradient(circle at 20% 30%, rgba(220,38,38,.15) 0%, transparent 40%),
            radial-gradient(circle at 80% 70%, rgba(59,130,246,.15) 0%, transparent 40%);
    pointer-events: none;
}
.simulator::after {
    content: ''; position: absolute; inset: 0;
    background-image:
            linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
            linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
    background-size: 64px 64px;
    pointer-events: none;
}
.simulator .container { position: relative; z-index: 1; }
.simulator .section-meta { color: var(--amber-light); }

.sim-stage {
    background: linear-gradient(180deg, rgba(15,23,42,.6) 0%, rgba(5,11,26,.8) 100%);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 24px;
    padding: 48px 56px;
    margin-top: 60px;
    position: relative; overflow: hidden;
}
.sim-status {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.sim-status-left { display: flex; align-items: center; gap: 16px; }
.sim-led {
    width: 12px; height: 12px; border-radius: 50%;
    background: var(--green); box-shadow: 0 0 16px var(--green);
    animation: pulse 1.5s infinite;
}
.sim-led.alert { background: var(--red); box-shadow: 0 0 20px var(--red); animation: pulse .5s infinite; }
.sim-status-text {
    font-family: var(--font-mono);
    font-size: 13px; font-weight: 600;
    letter-spacing: 2px; text-transform: uppercase;
    color: var(--green); transition: color .3s;
}
.sim-status-text.alert { color: var(--red); }
.sim-status-text.success { color: var(--blue-elec); }
.sim-timer {
    font-family: var(--font-mono);
    font-size: 13px; font-weight: 600;
    color: rgba(255,255,255,.5); letter-spacing: 1px;
}
.sim-timer .red { color: var(--red); }

.sim-circuit { width: 100%; aspect-ratio: 16 / 7; margin-bottom: 32px; }

.sim-controls {
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 24px;
    padding-top: 28px;
    border-top: 1px solid rgba(255,255,255,.08);
}
.sim-controls-left { display: flex; gap: 12px; flex-wrap: wrap; }
.sim-btn {
    padding: 14px 26px;
    border: 1px solid rgba(255,255,255,.15);
    background: rgba(255,255,255,.04);
    color: #fff;
    border-radius: 12px;
    font-weight: 600; font-size: 14px;
    transition: all .25s;
    display: inline-flex; align-items: center; gap: 10px;
    font-family: inherit; cursor: pointer;
}
.sim-btn:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.3); }
.sim-btn.primary {
    background: var(--red); border-color: var(--red);
    box-shadow: 0 12px 28px rgba(220,38,38,.4);
}
.sim-btn.primary:hover { background: var(--red-dark); }
.sim-btn.disabled { opacity: .35; pointer-events: none; }

.sim-metrics { display: flex; gap: 28px; font-family: var(--font-mono); font-size: 12px; }
.sim-metric .lbl {
    color: rgba(255,255,255,.4); display: block; margin-bottom: 4px;
    letter-spacing: 1px; text-transform: uppercase; font-size: 10px;
}
.sim-metric .val { font-size: 20px; font-weight: 700; color: #fff; }
.sim-metric .val.green { color: var(--green); }
.sim-metric .val.red { color: var(--red); }
.sim-metric .val.amber { color: var(--amber-light); }

/* SVG circuit elemanları */
.circuit-bg-grid line { stroke: rgba(255,255,255,.03); stroke-width: 1; }
.circuit-line {
    stroke: var(--green); stroke-width: 2.5; fill: none;
    stroke-linecap: round; transition: stroke .3s;
}
.circuit-line.red { stroke: var(--red); }
.circuit-line.blue { stroke: var(--blue-elec); }
.circuit-line.dim { stroke: rgba(255,255,255,.15); }
.circuit-flow { stroke-dasharray: 5 10; animation: flowAnim 1.5s linear infinite; }
@keyframes flowAnim { to { stroke-dashoffset: -45; } }
.circuit-flow.reverse { animation-direction: reverse; }
.circuit-flow.fast { animation-duration: .5s; }
.circuit-node {
    fill: rgba(15,23,42,.95);
    stroke: rgba(255,255,255,.2);
    stroke-width: 1.5;
    transition: stroke .3s, fill .3s;
}
.circuit-node.active { stroke: var(--green); }
.circuit-node.alert { stroke: var(--red); }
.circuit-node.battery { stroke: var(--blue-elec); }
.circuit-label {
    fill: rgba(255,255,255,.7);
    font-family: var(--font-mono); font-size: 11px; font-weight: 600;
    letter-spacing: 1px; text-anchor: middle;
}
.circuit-icon { fill: rgba(255,255,255,.85); }
.circuit-pulse { fill: none; stroke: var(--red); stroke-width: 2; opacity: 0; }
.circuit-pulse.active { animation: pulseRing 1s var(--ease-out); }
@keyframes pulseRing {
    0% { opacity: 1; r: 35; }
    100% { opacity: 0; r: 70; }
}

@media (max-width: 600px) { .sim-stage { padding: 28px 24px; } }

/* ============================================================
   COMPARISON MATRIX
   HTML:
   <div class="matrix">
     <div class="matrix-header">
       <div>Özellik</div>
       <div class="model">Model A<span class="badge">START</span></div>
       <div class="model">Model B</div>
       <div class="model">Model C<span class="badge">PRO</span></div>
     </div>
     <div class="matrix-row">
       <div class="feature">Özellik adı <span class="info">i</span></div>
       <div class="val">Değer</div>
       <div class="val">Değer</div>
       <div class="val highlight">Değer</div>
     </div>
     ...
     <div class="matrix-footer">
       <div class="lbl">Açıklama</div>
       <div class="pick standard"><a>Teklif Al</a></div>
       <div class="pick standard"><a>Teklif Al</a></div>
       <div class="pick recommended"><a>→ Önerilen</a></div>
     </div>
   </div>
   ============================================================ */
.matrix {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow);
}
.matrix-header {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    background: var(--bg-soft);
    border-bottom: 1px solid var(--border);
    padding: 24px 32px;
}
.matrix-header > div {
    font-family: var(--font-mono); font-size: 11px; font-weight: 600;
    color: var(--text-mute);
    letter-spacing: 2px; text-transform: uppercase;
}
.matrix-header .model {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 18px; font-weight: 700;
    color: var(--text); letter-spacing: -.02em;
    text-transform: none; text-align: center;
}
.matrix-header .model .badge {
    display: inline-block;
    background: var(--red); color: #fff;
    padding: 2px 8px; border-radius: 100px;
    font-family: var(--font-mono); font-size: 9px;
    font-weight: 700; letter-spacing: 1px;
    margin-left: 8px; transform: translateY(-2px);
}
.matrix-row {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    padding: 20px 32px;
    border-bottom: 1px solid var(--border);
    transition: background .2s;
    align-items: center;
}
.matrix-row:last-child { border-bottom: 0; }
.matrix-row:hover { background: var(--bg-soft); }
.matrix-row .feature {
    font-weight: 500; font-size: 14px; color: var(--text);
    display: flex; align-items: center; gap: 10px;
}
.matrix-row .feature .info {
    width: 16px; height: 16px;
    border-radius: 50%; border: 1px solid var(--text-mute);
    color: var(--text-mute);
    font-size: 10px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    cursor: help;
}
.matrix-row .val {
    text-align: center;
    font-weight: 600; font-size: 14px;
    font-family: var(--font-mono);
    color: var(--text-soft);
}
.matrix-row .val.highlight { color: var(--red); font-weight: 700; }
.matrix-row .val .check {
    display: inline-flex; align-items: center; justify-content: center;
    width: 22px; height: 22px;
    background: var(--blue-50); color: var(--blue);
    border-radius: 50%; font-weight: 700;
}
.matrix-row .val .x {
    display: inline-flex; align-items: center; justify-content: center;
    width: 22px; height: 22px;
    color: var(--text-mute); font-weight: 600;
}
.matrix-footer {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    padding: 28px 32px;
    background: var(--bg-soft);
    border-top: 1px solid var(--border);
}
.matrix-footer .lbl { font-size: 13px; color: var(--text-soft); align-self: center; }
.matrix-footer .pick { text-align: center; }
.matrix-footer .pick a {
    display: inline-block; padding: 10px 18px;
    border-radius: 10px; font-weight: 600; font-size: 13px;
    transition: all .2s;
}
.matrix-footer .pick.recommended a { background: var(--ink); color: #fff; }
.matrix-footer .pick.recommended a:hover { background: var(--blue); }
.matrix-footer .pick.standard a { background: var(--blue-50); color: var(--blue); }
.matrix-footer .pick.standard a:hover { background: var(--blue-100); }

@media (max-width: 880px) {
    .matrix-header, .matrix-row, .matrix-footer { grid-template-columns: 1fr 1fr; padding: 16px 20px; }
    .matrix-header > div:nth-child(4),
    .matrix-row > div:nth-child(4),
    .matrix-footer > div:nth-child(4) { display: none; }
}

/* ============================================================
   kVA HESAPLAYICI
   HTML iskelet:
   <div class="calc">
     <div class="calc-form">...</div>
     <div class="calc-result">...</div>
   </div>
   ============================================================ */
.calc {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 0;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 28px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}
.calc-form { padding: 48px 56px; }
.calc-form h3 {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 28px; font-weight: 700;
    letter-spacing: -.02em; margin-bottom: 8px;
    color: var(--text);
}
.calc-form > p { color: var(--text-soft); font-size: 15px; margin-bottom: 36px; }

.calc-row {
    display: grid;
    grid-template-columns: 32px 1fr auto auto;
    gap: 16px;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
}
.calc-row:last-child { border-bottom: 0; }
.calc-row .ico {
    width: 32px; height: 32px;
    background: var(--bg-soft);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    color: var(--blue); font-size: 16px;
}
.calc-row .name { font-weight: 500; font-size: 14px; }
.calc-row .name .watt {
    font-family: var(--font-mono); font-size: 11px;
    color: var(--text-mute); display: block; margin-top: 2px;
}
.calc-row .qty-control {
    display: flex; align-items: center;
    border: 1px solid var(--border);
    border-radius: 8px; overflow: hidden;
}
.qty-btn {
    width: 32px; height: 32px;
    background: #fff; border: 0; color: var(--text-soft);
    font-weight: 700; transition: all .15s;
}
.qty-btn:hover { background: var(--bg-soft); color: var(--blue); }
.qty-num {
    width: 36px; text-align: center;
    font-family: var(--font-mono); font-weight: 700;
    color: var(--text); font-size: 14px;
}
.calc-row .total-w {
    font-family: var(--font-mono); font-size: 13px;
    color: var(--text-soft); font-weight: 600;
    min-width: 70px; text-align: right;
}

.calc-result {
    padding: 48px;
    background: linear-gradient(170deg, var(--blue-deep) 0%, var(--ink) 100%);
    color: #fff;
    position: relative; overflow: hidden;
}
.calc-result::before {
    content: ''; position: absolute; top: -100px; right: -100px;
    width: 280px; height: 280px;
    background: radial-gradient(circle, rgba(220,38,38,.3) 0%, transparent 70%);
    filter: blur(40px);
}
.calc-result > * { position: relative; z-index: 1; }
.calc-result .lbl {
    font-family: var(--font-mono); font-size: 11px;
    letter-spacing: 2px; text-transform: uppercase;
    color: rgba(255,255,255,.5); margin-bottom: 12px;
}
.calc-total {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 56px; font-weight: 700;
    letter-spacing: -.04em; line-height: 1; margin-bottom: 4px;
}
.calc-total .small { font-size: 24px; color: rgba(255,255,255,.6); }
.calc-recommendation {
    margin-top: 32px; padding: 24px;
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 16px;
}
.calc-recommendation .badge {
    display: inline-block;
    background: var(--red); color: #fff;
    padding: 4px 10px; border-radius: 100px;
    font-family: var(--font-mono); font-size: 10px; font-weight: 700;
    letter-spacing: 1.5px; margin-bottom: 14px;
}
.calc-recommendation .model-name {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 24px; font-weight: 700;
    letter-spacing: -.02em; margin-bottom: 6px;
}
.calc-recommendation .model-desc {
    font-size: 13px; color: rgba(255,255,255,.65); margin-bottom: 18px;
}
.calc-recommendation .runtime {
    display: flex; gap: 18px;
    font-family: var(--font-mono); font-size: 12px;
    color: rgba(255,255,255,.5);
}
.calc-recommendation .runtime b { color: var(--green-light); margin-left: 4px; }
.calc-recommendation .btn { margin-top: 22px; width: 100%; justify-content: center; }

@media (max-width: 1100px) { .calc { grid-template-columns: 1fr; } }
@media (max-width: 600px) { .calc-form, .calc-result { padding: 32px 24px; } }

/* ============================================================
   FAQ ACCORDION (SSS)
   HTML:
   <div class="faq">
     <div class="faq-item">
       <button class="faq-q">Soru? <div class="faq-icon"></div></button>
       <div class="faq-a"><p>Cevap.</p></div>
     </div>
   </div>
   JS: q.click → item.classList.toggle('open')
   ============================================================ */
.faq { max-width: 880px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); padding: 20px 0; }
.faq-q {
    width: 100%; background: 0; border: 0; text-align: left;
    display: flex; justify-content: space-between; align-items: center;
    gap: 24px;
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 19px; font-weight: 700;
    letter-spacing: -.01em; color: var(--text);
    padding: 8px 0; cursor: pointer;
    transition: color .2s;
}
.faq-q:hover { color: var(--blue); }
.faq-icon {
    flex-shrink: 0; position: relative;
    width: 36px; height: 36px;
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    transition: all .3s var(--ease-out);
    color: var(--text-soft);
}
.faq-icon::before {
    content: ''; width: 12px; height: 1.5px;
    background: currentColor;
}
.faq-icon::after {
    content: ''; width: 1.5px; height: 12px;
    background: currentColor;
    position: absolute; transition: opacity .3s;
}
.faq-icon::after {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
}
.faq-item.open .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.faq-item.open .faq-q { color: var(--blue); }
.faq-item.open .faq-icon {
    background: var(--blue); border-color: var(--blue);
    color: #fff; transform: rotate(180deg);
}
.faq-item.open .faq-icon::after { opacity: 0; }
.faq-a {
    max-height: 0; overflow: hidden;
    transition: max-height .4s var(--ease-out), padding .3s;
}
.faq-item.open .faq-a { max-height: 400px; padding-top: 14px; }
.faq-a p {
    color: var(--text-soft);
    font-size: 16px; line-height: 1.7;
    max-width: 80ch;
}

/* ============================================================
   MAGNETIC BUTTON
   HTML: class="btn btn-primary btn-magnetic"
   JS gerekli — sonunda paylaşacağım.
   ============================================================ */
.btn-magnetic {
    transition: transform .15s var(--ease-out), background .25s, box-shadow .25s;
}

/* ----- SECTION GECE MODU (koyu arka planlı bölüm için) ----- */
.section-night {
    background: var(--bg-night);
    color: rgba(255,255,255,.85);
}
.section-night .section-title { color: #fff; }
.section-night .section-subtitle { color: rgba(255,255,255,.65); }
.section-night .section-eyebrow { color: var(--amber-light); }

/* ============================================================
 YATAY SÜREÇ — Process Grid
 ============================================================ */
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
}
.process-grid::before {
    content: ''; position: absolute;
    top: 36px; left: 5%; right: 5%;
    height: 2px;
    background: linear-gradient(90deg, var(--blue) 0%, var(--red) 100%);
    opacity: .15;
    z-index: 0;
}
.process-step {
    text-align: center;
    position: relative; z-index: 1;
}
.process-num {
    width: 72px; height: 72px;
    background: #fff;
    border: 2px solid var(--blue);
    border-radius: 50%;
    margin: 0 auto 24px;
    display: flex; align-items: center; justify-content: center;
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 24px; font-weight: 800;
    color: var(--blue);
    box-shadow: var(--shadow);
    transition: all .3s var(--ease-spring, cubic-bezier(.34,1.56,.64,1));
}
.process-step:nth-child(2) .process-num { border-color: var(--blue-elec, #3B82F6); color: var(--blue-elec, #3B82F6); }
.process-step:nth-child(3) .process-num { border-color: var(--red); color: var(--red); }
.process-step:nth-child(4) .process-num { border-color: var(--ink, #050B1A); color: var(--ink, #050B1A); }
.process-step:hover .process-num { transform: scale(1.08) rotate(-5deg); }

.process-step h4 {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 20px; font-weight: 700;
    letter-spacing: -.02em;
    margin-bottom: 10px;
    color: var(--text);
}
.process-step p {
    color: var(--text-soft); font-size: 14px;
    line-height: 1.6;
    max-width: 240px;
    margin: 0 auto 14px;
}
.process-step .meta {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-mute);
    letter-spacing: 1px;
    padding: 4px 10px;
    background: var(--bg-soft);
    border-radius: 100px;
}

@media (max-width: 1024px) {
    .process-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
    .process-grid::before { display: none; }
}
@media (max-width: 600px) {
    .process-grid { grid-template-columns: 1fr; }
}

/* ============================================================
 TECH HERO — Three.js 3D
 ============================================================ */
.tech-hero {
    position: relative;
    padding: 80px 0 100px;
    overflow: hidden;
    background:
            radial-gradient(ellipse 80% 60% at 70% 30%, rgba(59,130,246,.08) 0%, transparent 60%),
            radial-gradient(ellipse 60% 60% at 20% 80%, rgba(220,38,38,.06) 0%, transparent 60%),
            linear-gradient(180deg, #fff 0%, #FAFBFC 100%);
}
.tech-hero-grid {
    position: absolute; inset: 0; pointer-events: none;
    background-image:
            linear-gradient(rgba(11,59,140,.04) 1px, transparent 1px),
            linear-gradient(90deg, rgba(11,59,140,.04) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse 70% 70% at 50% 40%, #000 30%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 40%, #000 30%, transparent 100%);
}
.tech-hero .container {
    position: relative; z-index: 2;
    display: grid; grid-template-columns: 1fr 1.05fr; gap: 60px;
    align-items: center; min-height: 580px;
}

.tech-eyebrow {
    display: inline-flex; align-items: center; gap: 12px;
    padding: 7px 14px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 100px;
    font-family: var(--font-mono); font-size: 11px; font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-soft);
    box-shadow: var(--shadow-sm);
    margin-bottom: 28px;
}
.tech-eyebrow .pill {
    background: var(--red); color: #fff;
    padding: 2px 10px; border-radius: 100px;
    font-size: 10px; letter-spacing: 1px;
}

.tech-hero h2.tech-title {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-variation-settings: "opsz" 96;
    font-size: clamp(46px, 7vw, 88px);
    font-weight: 800;
    line-height: .92;
    letter-spacing: -.04em;
    margin-bottom: 28px;
    color: var(--ink, #050B1A);
}
.tech-hero h2 .red { color: var(--red); }
.tech-hero h2 .blue { color: var(--blue); }
.tech-hero h2 .ms { display: inline-block; position: relative; }
.tech-hero h2 .ms::after {
    content: 'tepki süresi';
    position: absolute; right: 0; bottom: -8px;
    font-family: var(--font-mono); font-size: 12px;
    letter-spacing: 2px; text-transform: uppercase;
    color: var(--red); opacity: .8;
    font-weight: 500;
    transform: rotate(-2deg);
}
.tech-hero h2 .underline {
    position: relative; display: inline-block;
}
.tech-hero h2 .underline::after {
    content: ''; position: absolute; left: 0; right: 0; bottom: 6%;
    height: 14px; background: var(--blue-100);
    z-index: -1;
    transform: skewX(-6deg);
}

.tech-lead {
    font-size: 19px; color: var(--text-soft);
    max-width: 480px; margin-bottom: 40px;
    line-height: 1.55;
}
.tech-lead strong { color: var(--ink, #050B1A); font-weight: 600; }

.tech-actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

.tech-meta {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px dashed rgba(15,23,42,.12);
    display: grid; grid-template-columns: repeat(3, auto);
    gap: 36px; align-items: end;
}
.tech-meta .meta-stat .num {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 38px; font-weight: 700;
    line-height: 1; letter-spacing: -.03em;
    color: var(--ink, #050B1A);
}
.tech-meta .meta-stat .num .accent { color: var(--red); }
.tech-meta .meta-stat .num .small { font-size: 18px; color: var(--text-soft); margin-left: 2px; }
.tech-meta .meta-stat .label {
    font-family: var(--font-mono); font-size: 10px;
    color: var(--text-mute); letter-spacing: 2px;
    text-transform: uppercase; margin-top: 8px;
}

/* 3D Canvas */
.tech-3d-wrap {
    position: relative;
    aspect-ratio: 1 / 1;
    max-width: 640px;
    width: 100%;
    margin-left: auto;
}
#tech-canvas {
    width: 100%; height: 100%;
    display: block;
}
.tech-3d-overlay {
    position: absolute; inset: 0;
    pointer-events: none;
}
.tech-3d-corner {
    position: absolute;
    font-family: var(--font-mono);
    font-size: 11px; font-weight: 500;
    color: var(--text-mute);
    letter-spacing: 1.5px; text-transform: uppercase;
}
.tech-3d-corner.tl { top: 16px; left: 16px; }
.tech-3d-corner.tr { top: 16px; right: 16px; }
.tech-3d-corner.bl { bottom: 16px; left: 16px; }
.tech-3d-corner.br { bottom: 16px; right: 16px; }
.tech-3d-corner::before {
    content: '+'; display: inline-block; margin-right: 6px;
    color: var(--red); font-weight: 700;
}

.tech-3d-readout {
    position: absolute; top: 50%; right: -40px;
    transform: translateY(-50%);
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 16px 20px;
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
    min-width: 180px;
    animation: floatY 5s var(--ease-out, cubic-bezier(.22,.61,.36,1)) infinite;
}
@keyframes floatY {
    0%, 100% { transform: translateY(-50%); }
    50% { transform: translateY(calc(-50% - 12px)); }
}
.readout-row { display: flex; justify-content: space-between; align-items: center; margin: 6px 0; font-family: var(--font-mono); font-size: 11px; }
.readout-row .lbl { color: var(--text-mute); }
.readout-row .val { color: var(--ink, #050B1A); font-weight: 600; }
.readout-row .val.green { color: var(--green, #10B981); }
.readout-row .val.red { color: var(--red); }
.readout-divider { height: 1px; background: var(--border); margin: 10px 0; }
.readout-led {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 10px; letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--green, #10B981);
    font-family: var(--font-mono); font-weight: 700;
}
.readout-led::before {
    content: ''; width: 6px; height: 6px; border-radius: 50%;
    background: var(--green, #10B981); box-shadow: 0 0 8px var(--green, #10B981);
    animation: pulse 1.5s infinite;
}

@media (max-width: 1100px) {
    .tech-hero .container { grid-template-columns: 1fr; gap: 40px; }
    .tech-3d-wrap { max-width: 480px; margin: 0 auto; }
    .tech-3d-readout { right: 10px; }
}
@media (max-width: 600px) {
    .tech-hero { padding: 50px 0 70px; }
    .tech-3d-readout { display: none; }
    .tech-meta { grid-template-columns: 1fr 1fr; gap: 20px; }
}

/* ============================================================
 WHATSAPP FLOATING BUTTON
 ============================================================ */
.whatsapp-fab {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 999;
    width: 60px; height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 8px 24px rgba(37,211,102,.4), 0 4px 12px rgba(0,0,0,.15);
    transition: transform .25s var(--ease-out, cubic-bezier(.22,.61,.36,1)),
    box-shadow .25s;
    text-decoration: none;
}
.whatsapp-fab:hover {
    transform: scale(1.08);
    box-shadow: 0 12px 32px rgba(37,211,102,.55), 0 6px 16px rgba(0,0,0,.2);
}
.whatsapp-fab:active { transform: scale(0.96); }

.whatsapp-fab svg {
    width: 32px; height: 32px;
    fill: #fff;
    position: relative; z-index: 2;
}

/* Pulse halkaları */
.whatsapp-fab::before,
.whatsapp-fab::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid #25D366;
    animation: waPulse 2.4s ease-out infinite;
    pointer-events: none;
}
.whatsapp-fab::after { animation-delay: 1.2s; }
@keyframes waPulse {
    0% { transform: scale(1); opacity: .6; }
    100% { transform: scale(1.8); opacity: 0; }
}

/* Tooltip */
.whatsapp-tooltip {
    position: absolute;
    right: 72px;
    top: 50%;
    transform: translateY(-50%) translateX(8px);
    background: #1E293B;
    color: #fff;
    padding: 10px 16px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all .25s var(--ease-out, cubic-bezier(.22,.61,.36,1));
    box-shadow: 0 8px 20px rgba(0,0,0,.2);
}
.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -5px; top: 50%;
    transform: translateY(-50%) rotate(45deg);
    width: 10px; height: 10px;
    background: #1E293B;
}
.whatsapp-fab:hover .whatsapp-tooltip {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

@media (max-width: 600px) {
    .whatsapp-fab { bottom: 20px; right: 20px; width: 54px; height: 54px; }
    .whatsapp-fab svg { width: 28px; height: 28px; }
    .whatsapp-tooltip { display: none; }
}


/* ============================================================
   FAYDALI BİLGİLER SAYFASI — Ek bileşenler
   ============================================================ */

/* Aktif menü durumu */
.nav a.active {
    color: var(--blue);
    background: var(--blue-50);
}

/* Sayfa başlığı (alt sayfalarda kullanılan kompakt hero) */
.page-hero {
    position: relative;
    padding: 80px 0 60px;
    background: linear-gradient(180deg, var(--bg) 0%, var(--blue-50) 100%);
    overflow: hidden;
}
.page-hero::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
            linear-gradient(rgba(11,59,140,.04) 1px, transparent 1px),
            linear-gradient(90deg, rgba(11,59,140,.04) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 100%);
}
.page-hero .container {
    position: relative; z-index: 1;
    text-align: center;
    max-width: 720px;
}
.page-hero h1 {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-variation-settings: "opsz" 96;
    font-size: clamp(38px, 5vw, 56px);
    font-weight: 800;
    line-height: 1.0;
    letter-spacing: -.03em;
    margin-bottom: 18px;
    color: var(--text);
}
.page-hero h1 .red { color: var(--red); }
.page-hero p {
    font-size: 17px;
    color: var(--text-soft);
    max-width: 560px;
    margin: 0 auto;
}

/* Breadcrumb */
.breadcrumb {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px; font-weight: 600;
    letter-spacing: 1.5px; text-transform: uppercase;
    color: var(--text-mute);
    margin-bottom: 24px;
}
.breadcrumb a {
    color: var(--text-soft);
    transition: color .2s;
}
.breadcrumb a:hover { color: var(--blue); }
.breadcrumb .sep { color: var(--text-mute); opacity: .5; }
.breadcrumb .current { color: var(--blue); }

/* FAQ kategori başlığı */
.faq-category {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -.02em;
    color: var(--blue);
    margin: 56px 0 8px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--blue-50);
    display: flex;
    align-items: center;
    gap: 12px;
}
.faq-category:first-of-type { margin-top: 0; }
.faq-category .num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--red);
    font-weight: 700;
    letter-spacing: 1.5px;
    background: var(--red-50);
    padding: 4px 10px;
    border-radius: 6px;
}

/* Sorunuz mu var? — yardım kartı */
.help-card {
    margin-top: 64px;
    padding: 48px 56px;
    background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
    color: #fff;
    border-radius: 24px;
    position: relative;
    overflow: hidden;
    text-align: center;
}
.help-card::before {
    content: '';
    position: absolute;
    top: -100px; right: -100px;
    width: 280px; height: 280px;
    background: radial-gradient(circle, rgba(220,38,38,.4) 0%, transparent 70%);
    filter: blur(40px);
}
.help-card > * { position: relative; z-index: 1; }
.help-card h3 {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -.02em;
    margin-bottom: 12px;
}
.help-card p {
    font-size: 16px;
    color: rgba(255,255,255,.75);
    max-width: 520px;
    margin: 0 auto 28px;
    line-height: 1.6;
}
.help-card-actions {
    display: flex; gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}
.help-card .btn-primary {
    background: #fff;
    color: var(--blue);
}
.help-card .btn-primary:hover {
    background: rgba(255,255,255,.9);
    color: var(--blue-dark);
}
.help-card .btn-outline {
    background: transparent;
    border-color: rgba(255,255,255,.3);
    color: #fff;
}
.help-card .btn-outline:hover {
    background: rgba(255,255,255,.1);
    border-color: rgba(255,255,255,.5);
}

@media (max-width: 600px) {
    .help-card { padding: 36px 24px; }
}

/* ============================================================
   NAV DROPDOWN — Belgeler menüsü
   ============================================================ */
.nav-dropdown { position: relative; }

.nav-dropdown-toggle {
    /* .nav a stillerini miras alır + button reset */
    background: none;
    border: 0;
    font-family: inherit;
    font-weight: 500;
    font-size: 15px;
    color: var(--text-soft);
    padding: 10px 16px;
    border-radius: 10px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: all .2s;
}
.nav-dropdown-toggle:hover,
.nav-dropdown.open .nav-dropdown-toggle {
    color: var(--blue);
    background: var(--blue-50);
}
.nav-dropdown-toggle .arrow {
    font-size: 10px;
    opacity: .5;
    transition: transform .2s;
    display: inline-block;
}
.nav-dropdown:hover .nav-dropdown-toggle .arrow,
.nav-dropdown.open .nav-dropdown-toggle .arrow {
    transform: rotate(180deg);
    opacity: 1;
}

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 260px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: var(--shadow-lg);
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity .25s var(--ease-out), transform .25s var(--ease-out), visibility .25s;
    z-index: 110;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown.open .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 9px;
    color: var(--text);
    font-weight: 500;
    font-size: 14px;
    transition: background .15s, color .15s;
    background: transparent;
}
.nav-dropdown-menu a:hover {
    background: var(--blue-50);
    color: var(--blue);
}
.nav-dropdown-menu a:hover .doc-icon {
    background: var(--blue);
    color: #fff;
}

.nav-dropdown-menu .doc-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--red-50);
    color: var(--red);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .15s;
}
.nav-dropdown-menu .doc-icon svg {
    width: 16px;
    height: 16px;
}

.nav-dropdown-menu .doc-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
}
.nav-dropdown-menu .doc-info strong {
    font-weight: 600;
    font-size: 14px;
    line-height: 1.2;
}
.nav-dropdown-menu .doc-info span {
    font-size: 11px;
    color: var(--text-mute);
    font-family: var(--font-mono);
    letter-spacing: .5px;
}

.nav-dropdown-menu .ext-icon {
    margin-left: auto;
    width: 14px;
    height: 14px;
    color: var(--text-mute);
    opacity: .5;
    transition: opacity .15s, color .15s;
}
.nav-dropdown-menu a:hover .ext-icon {
    opacity: 1;
    color: var(--blue);
}

/* Mobil menü: nav.open içinde dropdown statik şekilde açık */
@media (max-width: 880px) {
    .nav.open { display: flex; flex-direction: column; align-items: stretch; gap: 4px; }

    .nav-dropdown { width: 100%; }
    .nav-dropdown-toggle { width: 100%; justify-content: space-between; text-align: left; }

    .nav-dropdown-menu {
        position: static;
        box-shadow: none;
        border: 0;
        padding: 4px 0 4px 12px;
        margin-top: 0;
        background: transparent;
        opacity: 1;
        visibility: visible;
        transform: none;
        min-width: 0;
        border-left: 2px solid var(--blue-50);
        border-radius: 0;
        margin-left: 14px;
        /* Mobil'de varsayılan görünür değil — toggle'a tıklayınca .open class'ı ile gösterilir */
        display: none;
    }
    .nav-dropdown.open .nav-dropdown-menu {
        display: flex;
    }
}

/* ============================================================
   TAB PRODUCTS — Anasayfa tab içeriği (dinamik ürün grid'i)
   ============================================================ */
.tab-products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 36px;
}

.mini-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  display: block;
  color: inherit;
  text-decoration: none;
  transition: transform .25s var(--ease-out), box-shadow .25s var(--ease-out), border-color .25s;
}
.mini-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(11,59,140,.12);
  border-color: var(--blue);
  text-decoration: none;
}

.mini-card-img {
  position: relative;
  aspect-ratio: 4 / 3;
  background: linear-gradient(160deg, var(--blue-50) 0%, #fff 100%);
  overflow: hidden;
}
.mini-card-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 18px;
}
.mini-card-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-mute);
}
.mini-card-brand {
  position: absolute;
  top: 12px; right: 12px;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(6px);
  padding: 4px 10px;
  border-radius: 100px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: .8px;
  border: 1px solid var(--border);
}

.mini-card-body {
  padding: 16px 18px 18px;
}
.mini-card-body h4 {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -.015em;
  line-height: 1.25;
  margin: 0 0 4px;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.mini-card-body p.mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-soft);
  margin: 0 0 8px;
  letter-spacing: .3px;
}
.mini-card-desc {
  font-size: 12px;
  color: var(--text-soft);
  line-height: 1.5;
  margin: 0 0 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.mini-card-link {
  font-size: 12px;
  font-weight: 600;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding-top: 12px;
  border-top: 1px solid var(--border-soft);
  width: 100%;
}
.mini-card:hover .mini-card-link .arrow {
  transform: translateX(4px);
}
.mini-card-link .arrow {
  transition: transform .2s;
  display: inline-block;
}

/* Tab CTA — "Tüm UPS Modelleri →" butonu, grid'in altında */
.tab-products-cta {
  display: flex;
  justify-content: center;
  margin-top: 12px;
}
.tab-products-cta .btn {
  padding: 14px 28px;
  font-size: 15px;
}

/* Boş kategori — "Yakında ürünler burada olacak" */
.tab-empty {
  text-align: center;
  padding: 80px 24px;
  background: var(--bg-soft);
  border: 1px dashed var(--border);
  border-radius: 16px;
}
.tab-empty-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-mute);
}
.tab-empty h3 {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.02em;
  margin: 0 0 8px;
  color: var(--text);
}
.tab-empty p {
  color: var(--text-soft);
  font-size: 14px;
  max-width: 400px;
  margin: 0 auto;
}

@media (max-width: 600px) {
  .tab-products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .mini-card-body { padding: 14px; }
  .mini-card-body h4 { font-size: 13px; }
  .mini-card-img img { padding: 14px; }
  .mini-card-desc { display: none; } /* mobilde açıklamayı gizle, kompakt kalsın */
  .tab-empty { padding: 48px 20px; }
}

/* ============================================================
   ÜRÜNLER — Public Listing (/urunler)
   ============================================================ */
.urunler-filters {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 36px;
}

.urunler-search {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
}
.urunler-search input[type="search"] {
  flex: 1;
  padding: 13px 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-soft);
  font-family: inherit;
  font-size: 14.5px;
  color: var(--text);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.urunler-search input[type="search"]:focus {
  outline: none;
  border-color: var(--blue-light);
  background: #fff;
  box-shadow: 0 0 0 4px var(--blue-100);
}
.urunler-search .btn { padding: 12px 26px; }

.urunler-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px 0;
}
.urunler-tags + .urunler-tags { border-top: 1px dashed var(--border); }
.urunler-tags strong {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-right: 6px;
  min-width: 72px;
}
.urunler-tags .tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--bg-soft);
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0;
  text-transform: none;
  transition: all .2s var(--ease-out);
}
.urunler-tags .tag:hover {
  border-color: var(--blue-light);
  color: var(--blue);
  background: var(--blue-50);
}
.urunler-tags .tag.active {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}
.urunler-tags .tag-count {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  font-weight: 600;
  background: rgba(11,59,140,.08);
  color: var(--blue);
  border-radius: 100px;
  padding: 1px 7px;
  line-height: 1.5;
}
.urunler-tags .tag.active .tag-count {
  background: rgba(255,255,255,.2);
  color: #fff;
}

.urunler-result-count {
  margin: 14px 2px 0;
  font-size: 13px;
  color: var(--text-mute);
}
.urunler-result-count a { color: var(--blue); font-weight: 600; }

/* --- Grid & Kart --- */
.urunler-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.urun-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  color: inherit;
  text-decoration: none;
  transition: transform .25s var(--ease-out), box-shadow .25s var(--ease-out), border-color .25s;
}
.urun-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue-200);
}

.urun-card-image {
  position: relative;
  aspect-ratio: 4 / 3;
  background: linear-gradient(160deg, var(--blue-50) 0%, #fff 100%);
  overflow: hidden;
}
.urun-card-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 22px;
  transition: transform .35s var(--ease-out);
}
.urun-card:hover .urun-card-image img { transform: scale(1.05); }
.urun-card-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-200);
}
.urun-card-badge {
  position: absolute;
  top: 12px; right: 12px;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(6px);
  padding: 4px 11px;
  border-radius: 100px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: .8px;
  border: 1px solid var(--border);
}

.urun-card-body {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.urun-card-cat {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 8px;
}
.urun-card-body h3 {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.3px;
  line-height: 1.25;
  color: var(--text);
  margin: 0 0 8px;
}
.urun-card-model {
  font-size: 12.5px;
  color: var(--text-mute);
  margin: 0 0 10px;
}
.urun-card-model .mono { color: var(--text-soft); font-weight: 600; }
.urun-card-desc {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text-soft);
  margin: 0 0 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.urun-card-cta {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.urun-card-cta .arrow { transition: transform .2s; }
.urun-card:hover .urun-card-cta .arrow { transform: translateX(4px); }

/* --- Boş durum --- */
.urunler-empty {
  background: #fff;
  border: 1px dashed var(--border);
  border-radius: 20px;
  padding: 72px 32px;
  text-align: center;
}
.urunler-empty h3 {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 22px;
  color: var(--text);
  margin: 0 0 10px;
}
.urunler-empty p {
  font-size: 15px;
  color: var(--text-soft);
  margin: 0 0 24px;
}
.urunler-empty .btn { margin: 4px 6px; }

/* ============================================================
   ÜRÜN DETAY (/urun/{slug})
   ============================================================ */
.urun-detay {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 56px;
  align-items: start;
}

.urun-detay-image {
  position: sticky;
  top: 110px;
  background: linear-gradient(160deg, var(--blue-50) 0%, #fff 100%);
  border: 1px solid var(--border);
  border-radius: 20px;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.urun-detay-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 36px;
}
.urun-detay-image-placeholder {
  text-align: center;
  color: var(--blue-200);
}
.urun-detay-image-placeholder p {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-mute);
}

.urun-detay-cat {
  display: inline-flex;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 14px;
}
.urun-detay-info h1 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.12;
  color: var(--text);
  margin: 0 0 22px;
}

.urun-detay-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}
.urun-detay-meta .meta-item {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 20px;
  min-width: 130px;
}
.urun-detay-meta .lbl {
  display: block;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 4px;
}
.urun-detay-meta strong {
  font-size: 15px;
  color: var(--text);
}

.urun-detay-short {
  font-size: 17.5px;
  line-height: 1.6;
  color: var(--text-soft);
  font-weight: 500;
  margin: 0 0 18px;
}
.urun-detay-desc {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-soft);
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.urun-detay-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* --- Teknik Özellikler --- */
.urun-detay-specs { margin-top: 72px; }
.urun-detay-specs h2 {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -.5px;
  color: var(--text);
  margin: 0 0 22px;
}
.specs-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 40px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 10px 28px;
  margin: 0;
}
.specs-list > div,
.specs-list dt, .specs-list dd { min-width: 0; }
.specs-list dt {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-mute);
  padding: 14px 0 3px;
}
.specs-list dd {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin: 0;
  padding: 0 0 14px;
  border-bottom: 1px solid var(--border);
}
.specs-list dd:last-of-type { border-bottom: none; }
.specs-list dd.full {
  grid-column: 1 / -1;
  font-weight: 400;
  color: var(--text-soft);
  padding-top: 14px;
}

/* --- İlgili ürünler --- */
.urun-related { margin-top: 80px; }
.urun-related h2 {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -.5px;
  color: var(--text);
  margin: 0 0 26px;
}

/* ============================================================
   KEŞİF FORMU — durum mesajları & KVKK (koyu CTA alanı)
   ============================================================ */
.form-status {
  display: none;
  margin-top: 14px;
  padding: 13px 16px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.5;
}
.form-status.show { display: block; }
.form-status.success {
  background: rgba(16,185,129,.14);
  border: 1px solid rgba(16,185,129,.45);
  color: #6EE7B7;
}
.form-status.error {
  background: rgba(220,38,38,.16);
  border: 1px solid rgba(220,38,38,.5);
  color: #FCA5A5;
}

.form-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 4px 0 14px;
  font-size: 12.5px;
  line-height: 1.5;
  color: rgba(255,255,255,.75);
  cursor: pointer;
}
.form-check input[type="checkbox"] {
  flex: 0 0 auto;
  width: 17px; height: 17px;
  margin-top: 1px;
  accent-color: var(--red);
  cursor: pointer;
}
.form-check a { color: #fff; text-decoration: underline; }

.cta-form .btn[disabled] {
  opacity: .55;
  cursor: not-allowed;
  transform: none !important;
}

/* Honeypot — insanlar görmez, botlar doldurur */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px; height: 1px;
  overflow: hidden;
  opacity: 0;
}

/* ============================================================
   RESPONSIVE — ürün sayfaları
   ============================================================ */
@media (max-width: 1100px) {
  .urunler-grid { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .urun-detay { grid-template-columns: 1fr; gap: 32px; }
  .urun-detay-image { position: static; max-width: 520px; }
}

@media (max-width: 600px) {
  .urunler-filters { padding: 16px; border-radius: 16px; }
  .urunler-search { flex-direction: column; }
  .urunler-tags strong { min-width: 100%; margin: 4px 0 0; }
  .urunler-grid { grid-template-columns: 1fr; }
  .urun-detay-image img { padding: 22px; }
  .urun-detay-actions .btn { width: 100%; justify-content: center; }
  .specs-list { grid-template-columns: 1fr; padding: 6px 20px; }
  .urun-detay-specs, .urun-related { margin-top: 52px; }
}

/* Dashboard 'temsilî' etiketi */
.dash-header .dash-demo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  opacity: .45;
  margin-left: 6px;
}
