/* ==========================================================================
   NØLL STUDIOS - SPATIAL UI / ANTI-GRAVITY STYLING
   ========================================================================== */

:root {
    --bg-dark: #050508;
    --bg-dark-end: #0d0d12;
    --bg-card: rgba(10, 10, 15, 0.65);
    --border-color: rgba(255, 255, 255, 0.06);
    --text-primary: #ffffff;
    --text-secondary: #8a8f98;
    --accent-color: #5ac8d8;
    --accent-glow: rgba(90, 200, 216, 0.12);
    --accent-hover: #4ab5c4;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
    -webkit-user-drag: none;
}

/* Sayfa dikeyde kaydırılabilir: scroll-senkronize video deneyimi */
html, body {
    width: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    background: transparent;
    color: var(--text-primary);
    font-family: var(--font-body);
    scroll-behavior: auto;
}

body {
    width: 100vw;
    min-height: 300vh; /* ~3 ekran boyu kaydırma derinliği */
}

/* İnce, koyu temaya uygun scrollbar */
body::-webkit-scrollbar { width: 8px; }
body::-webkit-scrollbar-track { background: transparent; }
body::-webkit-scrollbar-thumb {
    background: rgba(90, 200, 216, 0.25);
    border-radius: 8px;
}
body::-webkit-scrollbar-thumb:hover { background: rgba(90, 200, 216, 0.45); }

/* Devre dışı bırakılan eski arka plan sistemleri */
#webgl-container[hidden],
#bg-slider[hidden] { display: none !important; }

/* Kaydırma derinliğini sağlayan görünmez track */
.scroll-track {
    position: relative;
    width: 100%;
    height: 300vh;
    pointer-events: none;
}

/* ==========================================================================
   SCROLL-SENKRONİZE SİNEMATİK ARKA PLAN VİDEOSU
   ========================================================================== */
#scroll-video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    object-fit: cover;
    z-index: -3;
    pointer-events: none;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-end) 100%);
    /* Sinematik renk derecelendirme: hafif kontrast + doygunluk, soğuk premium ton */
    filter: contrast(1.08) saturate(1.06) brightness(0.96);
    /* Çok hafif "nefes alan" zoom — sahneye sinematik derinlik katar */
    transform: scale(1.06);
    will-change: transform;
}

/* Katman 1 — koyu/siyan tonlama: solda özne net, sağda kartlar için koyulaşır */
#scroll-video-tint {
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    overflow: hidden;
    background:
        radial-gradient(125% 95% at 78% 50%, rgba(5,5,8,0.74) 0%, rgba(5,5,8,0.26) 46%, rgba(5,5,8,0.05) 100%),
        linear-gradient(90deg, rgba(5,7,12,0.50) 0%, rgba(5,7,12,0.0) 38%),
        linear-gradient(180deg, rgba(5,7,12,0.45) 0%, rgba(5,7,12,0.0) 22%, rgba(5,7,12,0.0) 78%, rgba(5,7,12,0.55) 100%);
}

/* Katman 2 — sinematik vinyet + hafif siyan ambient parıltı */
#scroll-video-tint::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(110% 110% at 50% 45%, transparent 55%, rgba(0,0,0,0.45) 100%);
    box-shadow: inset 0 0 220px 40px rgba(90, 200, 216, 0.05);
}

/* Katman 3 — ince film grain (premium doku, çok düşük opaklık) */
#scroll-video-tint::after {
    content: '';
    position: absolute;
    inset: -20%;
    opacity: 0.045;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    animation: grainShift 0.7s steps(2) infinite;
}
@keyframes grainShift {
    0%   { transform: translate(0, 0); }
    50%  { transform: translate(-1.5%, 1%); }
    100% { transform: translate(1%, -1.5%); }
}

/* İnce üst scroll ilerleme çizgisi (siyan parıltı) */
.scroll-progress-bar {
    position: fixed;
    top: 0; left: 0;
    height: 2px;
    width: var(--scroll-progress, 0%);
    z-index: 50;
    background: linear-gradient(90deg, rgba(90,200,216,0.0), var(--accent-color));
    box-shadow: 0 0 12px var(--accent-glow);
    pointer-events: none;
    transition: width 0.12s linear;
}

@media (prefers-reduced-motion: reduce) {
    #scroll-video-tint::after { animation: none; }
}

/* Custom Cursor */
.custom-cursor {
    width: 8px;
    height: 8px;
    background: #fff;
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 9999;
    transition: width 0.2s, height 0.2s;
    will-change: transform;
}

.custom-cursor-follower {
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 9998;
    transition: transform 0.08s ease-out, width 0.3s, height 0.3s, border-color 0.3s;
    will-change: transform;
}

/* Hover effects for cursor */
body.hovering-interactive .custom-cursor {
    width: 12px;
    height: 12px;
    background: var(--accent-color);
}
body.hovering-interactive .custom-cursor-follower {
    width: 60px;
    height: 60px;
    border-color: var(--accent-color);
    background: var(--accent-glow);
}

/* Sinematik arka plan fotoğ sliderı */
#bg-slider {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
}

.bg-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.8s cubic-bezier(0.4, 0, 0.2, 1);
    filter: brightness(0.18) saturate(0.7);
    transform: scale(1.04);
    animation: slowZoom 18s ease-in-out infinite alternate;
}

.bg-slide.active {
    opacity: 1;
}

@keyframes slowZoom {
    from { transform: scale(1.04); }
    to   { transform: scale(1.12); }
}

/* WebGL Background Canvas */
#webgl-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
}

/* Header / Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 6%;
    z-index: 100;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: rgba(8, 7, 12, 0.4);
    border-bottom: 1px solid var(--border-color);
}

.logo {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 24px;
    letter-spacing: 2px;
    color: var(--text-primary);
}

.logo span {
    font-weight: 300;
    color: var(--accent-color);
}

.nav {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    letter-spacing: 1px;
    transition: var(--transition-smooth);
    position: relative;
    padding: 6px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 1px;
    background-color: var(--accent-color);
    transition: width 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    transform: translateX(-50%);
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.cart-toggle-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px;
    border-radius: 50%;
    cursor: pointer;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition-smooth);
}

.cart-toggle-btn:hover {
    background: var(--accent-color);
    color: var(--bg-dark);
    box-shadow: 0 0 15px var(--accent-glow);
    transform: scale(1.05);
}

.cart-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #ff5e62;
    color: #fff;
    font-size: 10px;
    font-weight: 600;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 2px solid var(--bg-dark);
}

.mobile-menu-toggle {
    display: none;
}

/* Glass Panels (genel) */
.glass-panel {
    background: var(--bg-card);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

/* ==========================================================================
   SPATIAL STAGE — tek ekranlık Anti-Gravity sahnesi
   ========================================================================== */
.stage {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100vh;
    pointer-events: none; /* sahne boş alanı tıklamayı engellemesin */
}

.stage a, .stage button, .stage .product-panel, .stage .carousel-controls {
    pointer-events: auto;
}

/* Sol mini hero bloğu */
.hero-mini {
    position: fixed;
    left: 6%;
    top: 50%;
    transform: translateY(-50%);
    max-width: 340px;
    z-index: 5;
    display: flex;
    flex-direction: column;
    gap: 16px;
    animation: fadeIn 1.2s cubic-bezier(0.25, 0.8, 0.25, 1);
    pointer-events: none;
}

.hero-badge {
    font-size: 12px;
    letter-spacing: 3px;
    color: var(--accent-color);
    font-weight: 600;
}

.hero-mini-title {
    font-family: var(--font-heading);
    font-size: 52px;
    line-height: 1.08;
    font-weight: 900;
    letter-spacing: -1px;
    background: linear-gradient(135deg, #fff 30%, #a5a5a5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-mini-sub {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
    font-weight: 300;
}

/* ==========================================================================
   HOLOGRAFİK GLASSMORPHISM ÜRÜN PANELİ (sağ) — GENİşLETİLMİŞ
   ========================================================================== */
.product-panel {
    position: fixed;
    right: 36px;
    top: 50%;
    transform: translateY(-50%);
    width: 480px;
    padding: 0 0 24px 0;
    z-index: 10;
    display: flex;
    flex-direction: column;
    gap: 0;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
    scrollbar-width: none;

    /* Glassmorphism */
    background: linear-gradient(160deg, rgba(14, 14, 20, 0.72) 0%, rgba(7, 7, 12, 0.62) 100%);
    backdrop-filter: blur(18px) saturate(180%);
    -webkit-backdrop-filter: blur(18px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: 28px;
    box-shadow:
        0 30px 70px rgba(0, 0, 0, 0.65),
        inset 0 1px 0 rgba(255, 255, 255, 0.08),
        0 0 60px rgba(90, 200, 216, 0.06);

    visibility: hidden;
    opacity: 0;
    will-change: transform, opacity;
}

.product-panel::-webkit-scrollbar { display: none; }

/* 2D Ürün Fotoğraf Alanı — tam genişlik, üst kısım */
.panel-photo {
    width: 100%;
    height: 220px;
    flex-shrink: 0;
    border-radius: 28px 28px 0 0;
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}

.panel-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 18%;
    display: block;
    transition: transform 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.product-panel:hover .panel-photo img {
    transform: scale(1.04);
}

/* Ürün numarası fotoğ üzerinde badge olarak */
.panel-photo-overlay {
    position: absolute;
    top: 14px;
    left: 18px;
    right: 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    pointer-events: none;
}

.panel-index {
    font-family: var(--font-heading);
    font-size: 10px;
    letter-spacing: 4px;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 700;
    background: rgba(0,0,0,0.45);
    backdrop-filter: blur(8px);
    padding: 5px 12px;
    border-radius: 30px;
    border: 1px solid rgba(255,255,255,0.12);
}

/* İsim + fiyat bloğu */
.panel-header-block {
    padding: 20px 24px 4px 24px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.product-category {
    font-size: 10px;
    letter-spacing: 3px;
    color: var(--accent-color);
    font-weight: 700;
    text-transform: uppercase;
}

.panel-name {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -0.5px;
}

.panel-price-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 4px;
}

.panel-price {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    color: #fff;
}

.panel-stock-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    color: #f97316;
    background: rgba(249, 115, 22, 0.12);
    border: 1px solid rgba(249, 115, 22, 0.3);
    border-radius: 20px;
    padding: 4px 10px;
    animation: pulse-badge 2s infinite;
}

.panel-stock-badge svg {
    width: 11px;
    height: 11px;
}

@keyframes pulse-badge {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.panel-desc {
    font-size: 13px;
    line-height: 1.65;
    color: var(--text-secondary);
    font-weight: 300;
    padding: 0 24px;
    margin-top: 10px;
}

/* Özellikler gridı */
.panel-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 16px 24px;
    margin-top: 4px;
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.panel-feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 400;
}

.panel-feature-item svg {
    width: 14px;
    height: 14px;
    color: var(--accent-color);
    flex-shrink: 0;
}

.option-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 0 24px;
    margin-top: 14px;
}

.size-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.option-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 0;
}

.option-label span {
    color: var(--text-primary);
}

/* CTA buton grubu: yan yana */
.panel-cta-group {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 10px;
    padding: 0 24px;
    margin-top: 16px;
}

.panel-notify-btn {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.12);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 600;
    padding: 15px 10px;
    border-radius: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition-smooth);
}

.panel-notify-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: rgba(90,200,216,0.06);
}

.panel-notify-btn svg {
    width: 15px;
    height: 15px;
}

.panel-tagline {
    font-size: 10px;
    letter-spacing: 2px;
    color: rgba(255,255,255,0.2);
    text-align: center;
    padding: 12px 24px 0 24px;
    font-weight: 500;
    text-transform: uppercase;
}
    letter-spacing: 1px;
    color: var(--text-secondary);
}

.option-label span {
    color: var(--text-primary);
}

/* Swatches */
.color-swatches {
    display: flex;
    gap: 12px;
}

.swatch {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    border: 1.5px solid rgba(255, 255, 255, 0.15);
}

.swatch:hover {
    transform: scale(1.1);
}

.swatch.active {
    transform: scale(1.15);
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px #0a0a0f, 0 0 0 3.5px var(--accent-color);
}

.size-swatches {
    display: flex;
    gap: 8px;
}

.size-btn {
    width: 44px;
    height: 44px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    background: rgba(255, 255, 255, 0.02);
}

.size-btn:hover {
    border-color: rgba(255, 255, 255, 0.3);
}

.size-btn.active {
    background: #fff;
    color: var(--bg-dark);
    border-color: #fff;
}

.size-guide-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
    padding: 4px 0;
    width: fit-content;
    transition: var(--transition-smooth);
}

.size-guide-btn i {
    width: 13px;
    height: 13px;
}

.size-guide-btn:hover {
    color: var(--accent-color);
}

/* Action Buttons */
.add-to-cart-btn {
    background: var(--accent-color);
    color: var(--bg-dark);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 15px;
    padding: 16px;
    border: none;
    border-radius: 16px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    transition: var(--transition-smooth);
    margin-top: 10px;
}

.add-to-cart-btn:hover {
    background: #fff;
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.add-to-cart-btn:active {
    transform: translateY(0);
}

.add-to-cart-btn i {
    width: 18px;
    height: 18px;
}

/* ==========================================================================
   YÖRÜNGE KONTROLLERİ — oklar, dots, hint
   ========================================================================== */
.carousel-controls {
    position: fixed;
    bottom: 76px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 22px;
    z-index: 10;
}

.carousel-arrow {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition-smooth);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.carousel-arrow:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: var(--accent-glow);
    transform: scale(1.08);
}

.carousel-arrow i {
    width: 20px;
    height: 20px;
}

.carousel-dots {
    display: flex;
    gap: 12px;
    align-items: center;
}

.carousel-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.18);
    cursor: pointer;
    padding: 0;
    transition: var(--transition-smooth);
}

.carousel-dot:hover {
    background: rgba(255, 255, 255, 0.45);
    transform: scale(1.25);
}

.carousel-dot.active {
    background: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-glow), 0 0 4px var(--accent-color);
    transform: scale(1.3);
}

.rotate-hint {
    position: fixed;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    z-index: 10;
    opacity: 0.7;
    pointer-events: none;
}

.rotate-hint i {
    width: 14px;
    height: 14px;
}

.admin-corner-link {
    position: fixed;
    bottom: 18px;
    left: 24px;
    color: rgba(255, 255, 255, 0.18);
    text-decoration: none;
    font-size: 10px;
    letter-spacing: 1px;
    z-index: 10;
    transition: var(--transition-smooth);
}

.admin-corner-link:hover {
    color: var(--accent-color);
    text-shadow: 0 0 10px var(--accent-glow);
}

/* ==========================================================================
   CART DRAWER
   ========================================================================== */
.cart-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.cart-drawer-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.cart-drawer {
    position: fixed;
    top: 0;
    right: -450px;
    width: 420px;
    height: 100vh;
    background: rgba(10, 9, 18, 0.85);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border-left: 1px solid var(--border-color);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    transition: right 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.6);
}

.cart-drawer.active {
    right: 0;
}

.cart-drawer-header {
    padding: 30px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-drawer-header h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
}

.cart-close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition-smooth);
}

.cart-close-btn:hover {
    color: #fff;
    transform: rotate(90deg);
}

.cart-items-container {
    flex: 1;
    overflow-y: auto;
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.empty-cart-message {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 15px;
    color: var(--text-secondary);
    text-align: center;
    font-size: 14px;
}

/* Cart Item Cards */
.cart-item {
    display: flex;
    gap: 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 16px;
    border-radius: 16px;
    align-items: center;
    position: relative;
    animation: slideIn 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.cart-item-preview {
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.cart-item-preview svg {
    width: 32px;
    height: 32px;
    stroke: var(--accent-color);
}

.cart-item-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.cart-item-title {
    font-size: 14px;
    font-weight: 600;
}

.cart-item-meta {
    font-size: 11px;
    color: var(--text-secondary);
}

.cart-item-price {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-color);
}

.cart-item-remove-btn {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.2);
    cursor: pointer;
    padding: 6px;
    position: absolute;
    top: 12px;
    right: 12px;
    transition: var(--transition-smooth);
}

.cart-item-remove-btn:hover {
    color: #ff5e62;
}

.cart-drawer-footer {
    padding: 30px;
    border-top: 1px solid var(--border-color);
    background: rgba(10, 9, 18, 0.95);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.cart-total-row {
    display: flex;
    justify-content: space-between;
    font-size: 16px;
    font-weight: 500;
}

.cart-total-price {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    color: var(--text-primary);
}

.checkout-btn {
    background: #fff;
    color: var(--bg-dark);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 15px;
    padding: 16px;
    border: none;
    border-radius: 16px;
    cursor: pointer;
    width: 100%;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.05);
}

.checkout-btn:hover {
    background: var(--accent-color);
    color: var(--bg-dark);
    box-shadow: 0 8px 25px var(--accent-glow);
}

/* Toast Notification */
.toast-notification {
    position: fixed;
    bottom: -80px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(15, 15, 24, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--accent-color);
    padding: 16px 28px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 2000;
    transition: bottom 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 10px 30px rgba(187, 134, 252, 0.15);
}

.toast-notification.active {
    bottom: 40px;
}

.toast-icon {
    width: 20px;
    height: 20px;
    color: var(--accent-color);
}

.toast-message {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* Keyframes */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-50%) translateX(-20px); }
    to { opacity: 1; transform: translateY(-50%) translateX(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ==========================================================================
   MOBILE NAVIGATION DRAWER
   ========================================================================== */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.mobile-nav-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav-drawer {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100vh;
    background: rgba(10, 9, 18, 0.85);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border-left: 1px solid var(--border-color);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    padding: 100px 40px 40px 40px;
    transition: right 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.6);
}

.mobile-nav-drawer.active {
    right: 0;
}

.mobile-nav-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition-smooth);
    border-radius: 50%;
}

.mobile-nav-close:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
    transform: rotate(90deg);
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mob-link {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    color: var(--text-secondary);
    text-decoration: none;
    letter-spacing: 1px;
    transition: var(--transition-smooth);
    position: relative;
    padding: 4px 0;
    width: fit-content;
}

.mob-link:hover, .mob-link.active {
    color: #fff;
    transform: translateX(5px);
}

.mob-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition-smooth);
}

.mob-link:hover::after, .mob-link.active::after {
    width: 100%;
}

/* ==========================================================================
   CATALOG OVERLAY PAGE
   ========================================================================== */
.catalog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: #080a0e;
    z-index: 900;
    display: flex;
    flex-direction: column;
    opacity: 0;
    pointer-events: none;
    transform: scale(0.98);
    transition: opacity 0.5s cubic-bezier(0.25, 0.8, 0.25, 1), transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    padding: 110px 6% 40px 6%;
}

.catalog-overlay.active {
    opacity: 1;
    pointer-events: auto;
    transform: scale(1);
}

.catalog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    width: 100%;
    flex-shrink: 0;
}

.catalog-logo {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 28px;
    letter-spacing: 2px;
}

.catalog-logo span {
    font-weight: 300;
    color: var(--accent-color);
}

.back-to-3d-btn {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 13px;
    padding: 12px 24px;
    border-radius: 30px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-smooth);
}

.back-to-3d-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: var(--accent-glow);
    transform: translateX(-4px);
}

.catalog-content {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    flex: 1;
    min-height: 0;
    width: 100%;
}

/* Sidebar Filters */
.catalog-filters {
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    gap: 22px;
    overflow-y: auto;
    max-height: 100%;
}

.filter-title {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: #fff;
    font-weight: 600;
    margin-bottom: 12px;
    border-left: 2px solid var(--accent-color);
    padding-left: 10px;
}

.filter-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 14px;
    text-align: left;
    cursor: pointer;
    padding: 6px 0;
    transition: var(--transition-smooth);
}

.filter-btn:hover, .filter-btn.active {
    color: var(--accent-color);
    padding-left: 6px;
}

.color-filters {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-color {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-smooth);
}

.filter-color:hover, .filter-color.active {
    border-color: #fff;
    transform: scale(1.15);
}

.size-filters {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
}

.filter-size-btn {
    width: 38px;
    height: 38px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    border-radius: 8px;
    transition: var(--transition-smooth);
}

.filter-size-btn:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.filter-size-btn.active {
    background: #fff;
    color: var(--bg-dark);
    border-color: #fff;
}

.sort-select {
    background: rgba(10, 10, 15, 0.8);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px;
    border-radius: 12px;
    outline: none;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 13px;
    width: 100%;
}

/* Catalog Grid */
.catalog-grid-container {
    width: 100%;
    height: 100%;
    overflow-y: auto;
    padding-right: 10px;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 30px;
    width: 100%;
}

.catalog-item-card {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: var(--transition-smooth);
    background: rgba(255, 255, 255, 0.018);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 18px;
    position: relative;
    overflow: hidden;
}

.catalog-item-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(90, 200, 216, 0.04) 0%, transparent 55%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    border-radius: inherit;
}

.catalog-item-card:hover {
    transform: translateY(-4px);
    border-color: rgba(90, 200, 216, 0.22);
    background: rgba(255, 255, 255, 0.028);
    box-shadow: 0 14px 44px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(90, 200, 216, 0.08);
}

.catalog-item-card:hover::before {
    opacity: 1;
}

.catalog-item-image {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(145deg, rgba(255,255,255,0.025) 0%, rgba(10,10,15,0.6) 100%);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.catalog-item-card:hover .back-img {
    opacity: 1 !important;
}

.catalog-item-card:hover .neck-logo-overlay {
    opacity: 0.85 !important;
}

.catalog-item-canvas {
    width: 100%;
    height: 100%;
}

.catalog-item-fallback {
    width: 48px;
    height: 48px;
    stroke-width: 1;
    opacity: 0.15;
    position: absolute;
    color: var(--accent-color);
}

.catalog-item-swatch-display {
    position: absolute;
    bottom: 12px;
    right: 12px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 1.5px solid #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.5);
}

.catalog-item-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.catalog-item-name {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
}

.catalog-item-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.catalog-item-price {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.catalog-item-category {
    font-size: 11px;
    text-transform: uppercase;
    color: var(--accent-color);
    letter-spacing: 1px;
    font-weight: 600;
}

.catalog-item-actions {
    margin-top: auto;
}

.catalog-item-btn {
    width: 100%;
    background: rgba(90, 200, 216, 0.07);
    border: 1px solid rgba(90, 200, 216, 0.2);
    color: var(--accent-color);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 0.5px;
    padding: 11px;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
}

.catalog-item-btn:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #000;
    box-shadow: 0 4px 16px rgba(90, 200, 216, 0.25);
}

/* ==========================================================================
   QUICK VIEW MODAL
   ========================================================================== */
.quickview-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 1500;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.quickview-modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.quickview-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 960px;
    max-width: 90%;
    height: 600px;
    max-height: 85vh;
    z-index: 1501;
    opacity: 0;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    transition: opacity 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    padding: 40px;
}

.quickview-modal.active {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, -50%) scale(1);
}

.quickview-close-btn {
    position: absolute;
    top: 24px;
    right: 24px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    border-radius: 50%;
    transition: var(--transition-smooth);
    display: flex;
    justify-content: center;
    align-items: center;
}

.quickview-close-btn:hover {
    color: #fff;
    background: rgba(255,255,255,0.05);
    transform: rotate(90deg);
}

.quickview-modal-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    height: 100%;
}

.quickview-image-container {
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.01);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    position: relative;
}

.quickview-image-bg {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

#quickview-3d-container {
    width: 100%;
    height: 100%;
    overflow: hidden;
    border-radius: 14px;
}

.qv-product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 14px;
}

.qv-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 18px;
    border-radius: 14px;
}

.qv-placeholder-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.quickview-info-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.quickview-category {
    font-size: 11px;
    text-transform: uppercase;
    color: var(--accent-color);
    letter-spacing: 2px;
    font-weight: 600;
    margin-bottom: 10px;
}

.quickview-name {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 12px;
    line-height: 1.2;
}

.quickview-price {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #fff;
}

.quickview-description {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
    font-weight: 300;
    margin-bottom: 25px;
}

/* ==========================================================================
   SIZE GUIDE / CHECKOUT / SUCCESS / NOTIFY MODALS
   ========================================================================== */

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.6; }
    100% { transform: scale(0.9); opacity: 1; }
}

.sizeguide-modal-overlay, .checkout-modal-overlay, .success-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 1600;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.sizeguide-modal-overlay.active, .checkout-modal-overlay.active, .success-modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* Size Guide Modal */
.sizeguide-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 550px;
    max-width: 90%;
    z-index: 1601;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    padding: 35px;
    border-radius: 24px;
}

.sizeguide-modal.active {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, -50%) scale(1);
}

.sizeguide-close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    border-radius: 50%;
    transition: var(--transition-smooth);
    display: flex;
    justify-content: center;
    align-items: center;
}

.sizeguide-close-btn:hover {
    color: #fff;
    background: rgba(255,255,255,0.05);
}

.sizeguide-title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sizeguide-title svg {
    color: var(--accent-color);
}

.sizeguide-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 13px;
    text-align: left;
}

.sizeguide-table th {
    font-weight: 600;
    color: var(--text-secondary);
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}

.sizeguide-table td {
    padding: 14px 12px;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    color: #dfdfdf;
}

.sizeguide-table tr td.active, .sizeguide-table tr th.active {
    color: var(--accent-color);
    background: rgba(0, 240, 255, 0.03);
    font-weight: 600;
}

/* Checkout Modal */
.checkout-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 1000px;
    max-width: 95%;
    height: 700px;
    max-height: 90vh;
    z-index: 1601;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    padding: 40px;
    border-radius: 28px;
    overflow-y: auto;
}

.checkout-modal.active {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, -50%) scale(1);
}

.checkout-close-btn {
    position: absolute;
    top: 24px;
    right: 24px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    border-radius: 50%;
    transition: var(--transition-smooth);
    display: flex;
    justify-content: center;
    align-items: center;
}

.checkout-close-btn:hover {
    color: #fff;
    background: rgba(255,255,255,0.05);
}

.checkout-modal-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    height: 100%;
}

.checkout-form-container {
    overflow-y: auto;
    padding-right: 15px;
    height: 100%;
}

.checkout-section-title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
    color: #fff;
    border-left: 3px solid var(--accent-color);
    padding-left: 10px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group.full-width {
    grid-column: span 2;
}

.form-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input, .form-group textarea {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-color);
    color: #fff;
    padding: 12px 16px;
    border-radius: 12px;
    font-family: var(--font-body);
    font-size: 13px;
    outline: none;
    transition: var(--transition-smooth);
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-glow);
    background: rgba(255,255,255,0.06);
}

.form-group textarea {
    height: 80px;
    resize: none;
}

.pay-btn {
    width: 100%;
    background: var(--accent-color);
    color: var(--bg-dark);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 15px;
    padding: 16px;
    border: none;
    border-radius: 16px;
    cursor: pointer;
    margin-top: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    transition: var(--transition-smooth);
}

.pay-btn:hover {
    background: #fff;
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.pay-btn svg {
    width: 18px;
    height: 18px;
}

/* Preview Column (Card & Summary) */
.checkout-preview-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.credit-card-wrapper {
    width: 100%;
    display: flex;
    justify-content: center;
    perspective: 1000px;
}

/* Virtual Credit Card Front/Back Flip */
.credit-card {
    width: 340px;
    height: 200px;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.5);
}

.credit-card.flipped {
    transform: rotateY(180deg);
}

.card-face {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 20px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-sizing: border-box;
    border: 1px solid rgba(255,255,255,0.08);
}

.card-front {
    background: linear-gradient(135deg, rgba(255,255,255,0.12) 0%, rgba(255,255,255,0.03) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.card-back {
    background: linear-gradient(135deg, rgba(20,20,30,0.95) 0%, rgba(10,10,15,0.98) 100%);
    transform: rotateY(180deg);
    padding: 24px 0;
}

.card-chip {
    width: 44px;
    height: 34px;
    background: linear-gradient(135deg, #fce0ad 0%, #dfac6c 100%);
    border-radius: 8px;
    box-shadow: inset 0 1px 1px rgba(255,255,255,0.3);
}

.card-brand {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 20px;
    font-style: italic;
    color: #fff;
    align-self: flex-end;
    margin-top: -34px;
    letter-spacing: 1px;
}

.card-number {
    font-family: monospace;
    font-size: 19px;
    color: #fff;
    letter-spacing: 3px;
    margin: 24px 0;
    text-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

.card-footer {
    display: flex;
    justify-content: space-between;
}

.card-holder, .card-expiry {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.card-label {
    font-size: 8px;
    color: rgba(255,255,255,0.4);
    letter-spacing: 1px;
}

.card-value {
    font-family: monospace;
    font-size: 12px;
    color: #fff;
    letter-spacing: 1.5px;
}

/* Card Back specifics */
.card-magnetic-strip {
    width: 100%;
    height: 40px;
    background: #000;
    margin-top: 10px;
}

.card-signature-panel {
    width: 80%;
    height: 38px;
    background: rgba(255,255,255,0.15);
    margin: 20px auto 0 24px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding-right: 15px;
    border-radius: 4px;
}

.card-cvv-value {
    color: #000;
    font-family: monospace;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    background: #fff;
    padding: 4px 8px;
    border-radius: 4px;
}

.card-info-text {
    font-size: 8px;
    color: rgba(255,255,255,0.25);
    letter-spacing: 1px;
    text-align: center;
    margin-top: 15px;
    padding: 0 24px;
}

/* Order Summary Box */
.checkout-summary-box {
    padding: 24px;
    border-radius: 20px;
    flex: 1;
}

.checkout-summary-box h4 {
    font-family: var(--font-heading);
    font-size: 15px;
    margin-bottom: 15px;
    color: #fff;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.checkout-summary-items {
    max-height: 140px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.checkout-summary-item {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
}

.checkout-summary-item-name {
    color: #dfdfdf;
}

.checkout-summary-item-price {
    font-weight: 600;
}

/* Success Checkout Modal */
.success-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 480px;
    max-width: 90%;
    z-index: 1701;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    padding: 40px;
    border-radius: 24px;
    text-align: center;
}

.success-modal.active {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, -50%) scale(1);
}

.success-checkmark-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px auto;
}

.success-checkmark {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: block;
    stroke-width: 2;
    stroke: #52ff9a;
    stroke-miterlimit: 10;
    box-shadow: inset 0px 0px 0px #52ff9a;
    animation: fillSuccess 0.4s ease-in-out 0.4s forwards, scaleCheckmark 0.3s ease-in-out 0s both;
}

.success-checkmark-circle {
    stroke-dasharray: 166;
    stroke-dashoffset: 166;
    stroke-width: 2;
    stroke-miterlimit: 10;
    stroke: #52ff9a;
    fill: none;
    animation: strokeSuccess 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.success-checkmark-check {
    transform-origin: 50% 50%;
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    animation: strokeSuccess 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
}

@keyframes strokeSuccess {
    100% { stroke-dashoffset: 0; }
}

@keyframes scaleCheckmark {
    0%, 100% { transform: none; }
    50% { transform: scale3d(1.1, 1.1, 1); }
}

@keyframes fillSuccess {
    100% { box-shadow: inset 0px 0px 0px 40px rgba(82, 255, 154, 0.05); }
}

.success-title {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 12px;
}

.success-desc {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.success-btn {
    width: 100%;
    background: #fff;
    color: var(--bg-dark);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 15px;
    padding: 16px;
    border: none;
    border-radius: 16px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.success-btn:hover {
    background: var(--accent-color);
    box-shadow: 0 8px 25px var(--accent-glow);
}

/* Notify Me Modal */
.notify-me-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 1700;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.notify-me-modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.notify-me-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 480px;
    max-width: 90%;
    z-index: 1701;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    padding: 35px;
    border-radius: 24px;
}

.notify-me-modal.active {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, -50%) scale(1);
}

.notify-me-close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    border-radius: 50%;
    transition: var(--transition-smooth);
    display: flex;
    justify-content: center;
    align-items: center;
}

.notify-me-close-btn:hover {
    color: #fff;
    background: rgba(255,255,255,0.05);
    transform: rotate(90deg);
}

.notify-me-title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 992px) {
    .header {
        padding: 16px 4%;
    }

    .nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
        justify-content: center;
        align-items: center;
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid var(--border-color);
        color: var(--text-primary);
        padding: 12px;
        border-radius: 50%;
        cursor: pointer;
        transition: var(--transition-smooth);
    }

    .mobile-menu-toggle i {
        width: 20px;
        height: 20px;
    }

    .mobile-menu-toggle:hover {
        background: var(--accent-color);
        color: var(--bg-dark);
        box-shadow: 0 0 15px var(--accent-glow);
        transform: scale(1.05);
    }

    /* Hero mini: üst sola küçülerek taşınır */
    .hero-mini {
        top: 86px;
        left: 4%;
        transform: none;
        max-width: 240px;
        gap: 8px;
        animation: none;
    }

    .hero-mini-title {
        font-size: 28px;
    }

    .hero-mini-sub {
        display: none;
    }

    /* Ürün paneli: tablette daralmış yüzen panel (dikey ortalı kalır) */
    .product-panel {
        width: 340px;
        right: 20px;
        padding: 18px 20px;
        gap: 10px;
    }

    .panel-photo {
        height: 110px;
    }

    .panel-name {
        font-size: 22px;
    }

    .panel-price {
        font-size: 18px;
    }

    .panel-desc {
        font-size: 12px;
    }

    .size-btn {
        width: 38px;
        height: 38px;
        font-size: 12px;
        border-radius: 8px;
    }

    .add-to-cart-btn {
        padding: 12px;
        font-size: 13px;
        border-radius: 12px;
    }

    .carousel-controls {
        bottom: 30px;
        gap: 16px;
    }

    .carousel-arrow {
        width: 40px;
        height: 40px;
    }

    .rotate-hint {
        display: none;
    }

    .admin-corner-link {
        display: none;
    }

    #webgl-container {
        opacity: 0.9;
    }

    /* Suppress custom cursor follower on mobile */
    .custom-cursor, .custom-cursor-follower {
        display: none !important;
    }

    body {
        cursor: auto !important;
    }

    /* Catalog mobile */
    .catalog-overlay {
        padding: 80px 0 0 0;
        overflow: hidden;
    }

    .catalog-header {
        padding: 0 4%;
        margin-bottom: 16px;
    }

    .catalog-content {
        display: flex;
        flex-direction: column;
        height: calc(100vh - 120px);
        overflow: hidden;
    }

    /* Filters become a horizontal scrollable strip */
    .catalog-filters {
        flex-shrink: 0;
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 12px;
        padding: 12px 4%;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        border-bottom: 1px solid rgba(255,255,255,0.07);
        border-right: none;
        border-radius: 0;
        background: rgba(255,255,255,0.015);
        backdrop-filter: none;
        box-shadow: none;
        max-height: none;
    }

    .catalog-filters::-webkit-scrollbar { display: none; }

    .filter-section {
        display: contents;
    }

    .filter-title { display: none; }

    .filter-options {
        flex-direction: row;
        flex-wrap: nowrap;
        gap: 8px;
    }

    .filter-btn {
        white-space: nowrap;
        padding: 6px 14px;
        border: 1px solid var(--border-color);
        border-radius: 20px;
        font-size: 12px;
        background: transparent;
    }

    .filter-btn.active {
        background: var(--accent-color);
        color: #000;
        border-color: var(--accent-color);
        padding-left: 14px;
    }

    .filter-btn:hover {
        padding-left: 14px;
    }

    .color-filters {
        flex-wrap: nowrap;
        gap: 8px;
    }

    .size-filters {
        flex-wrap: nowrap;
        gap: 6px;
    }

    .sort-select {
        min-width: 140px;
        flex-shrink: 0;
        padding: 8px 10px;
        font-size: 12px;
    }

    .catalog-grid-container {
        flex: 1;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding: 20px 4%;
    }

    .catalog-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }

    .catalog-item-card {
        padding: 16px;
    }

    /* Quickview Modal responsive */
    .quickview-modal {
        height: auto;
        max-height: 92vh;
        padding: 24px 20px;
        overflow-y: auto;
    }

    .quickview-modal-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .quickview-image-container {
        height: 260px;
    }

    .quickview-name {
        font-size: 24px;
    }

    .quickview-price {
        font-size: 18px;
        margin-bottom: 12px;
    }

    .quickview-description {
        font-size: 13px;
        margin-bottom: 15px;
    }

    /* Size Guide */
    .sizeguide-modal {
        padding: 24px;
    }

    .sizeguide-table th, .sizeguide-table td {
        padding: 8px;
        font-size: 11px;
    }
}

@media (max-width: 768px) {
    /* ===== GPU: canvas upscaling kalitesi — pixélated yerine smooth render ===== */
    #webgl-container canvas {
        width: 100vw !important;
        height: 100vh !important;
    }

    /* ===== Arka plan slider mobilde sadeleşir ===== */
    .bg-slide {
        filter: brightness(0.14) saturate(0.5);
    }

    /* ===== Mobil Bottom-Sheet: panel ekranın altına yapışık ===== */
    .product-panel {
        left: 0;
        right: 0;
        top: auto;
        bottom: 0;
        transform: none;
        width: 100%;
        height: auto;
        max-height: 50vh;
        min-height: 44vh;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding: 0 0 env(safe-area-inset-bottom, 16px) 0;
        gap: 0;
        border-radius: 20px 20px 0 0;
        border-left: none;
        border-right: none;
        border-bottom: none;
        box-shadow: 0 -16px 50px rgba(0, 0, 0, 0.6);
        /* GPU katman\u0131 \u2014 render render s\u0131ras\u0131n\u0131 optimize eder */
        will-change: transform;
        transform: translateZ(0);
    }

    /* \u00c7ekme tutamac\u0131 */
    .product-panel::before {
        content: '';
        display: block;
        width: 44px;
        height: 4px;
        border-radius: 2px;
        background: rgba(255, 255, 255, 0.25);
        margin: 10px auto 6px;
        flex-shrink: 0;
    }

    /* Mobilde 2D foto\u011fraf gizli \u2014 3D model zaten \u00fcst yar\u0131da */
    .panel-photo { display: none; }

    /* Mobilde panel-header-block dolgu azalt\u0131ld\u0131 */
    .panel-header-block {
        padding: 8px 16px 4px 16px;
    }

    .panel-name { font-size: 20px; }
    .panel-price { font-size: 20px; }

    /* A\u00e7\u0131klama ve \u00f6zellikler gizli \u2014 bottom-sheet'te yer yok */
    .panel-desc { display: none; }
    .panel-features { display: none; }

    /* Option gruplar\u0131 s\u0131k\u0131\u015ft\u0131r\u0131ld\u0131 */
    .option-group {
        padding: 0 16px;
        margin-top: 8px;
        gap: 8px;
    }

    /* CTA grubu: tek s\u00fctun */
    .panel-cta-group {
        grid-template-columns: 1fr 2fr;
        padding: 0 16px;
        margin-top: 10px;
        gap: 8px;
    }

    .add-to-cart-btn {
        padding: 14px;
        font-size: 14px;
    }

    .panel-notify-btn {
        padding: 14px 8px;
        font-size: 12px;
    }

    .panel-tagline { display: none; }

    /* Kontroller bottom-sheet'in hemen \u00fczerinde durur */
    .carousel-controls {
        bottom: calc(50vh + 8px);
        gap: 10px;
    }

    .carousel-arrow {
        width: 36px;
        height: 36px;
    }

    .carousel-dots { gap: 8px; }

    .carousel-dot {
        width: 7px;
        height: 7px;
    }

    /* Hero mini blo\u011fu \u00fcstte kompakt */
    .hero-mini {
        top: 78px;
        max-width: 200px;
    }

    .hero-mini-title { font-size: 22px; }

    .checkout-modal-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .checkout-modal {
        padding: 20px;
        max-height: 92vh;
        overflow-y: auto;
    }

    .credit-card {
        width: 280px;
        height: 164px;
        margin: 0 auto;
    }

    .card-number {
        font-size: 15px;
        margin: 12px 0;
    }
}

@media (max-width: 576px) {
    .cart-drawer {
        width: 100%;
        right: -100%;
    }

    .cart-drawer.active {
        right: 0;
    }

    /* Hide credit card preview mockup on phones to ease form submission spacing */
    .credit-card-wrapper {
        display: none !important;
    }
}

/* ==========================================================================
   SCROLL-SENKRONİZE BİLGİ KARTI PANELİ (SAĞ TARAF) — GLASSMORPHISM
   ========================================================================== */
.info-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 480px;
    height: 100vh;
    z-index: 6;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 90px 44px 60px;
    pointer-events: none; /* yalnız aktif kart etkileşim alır */
    /* Sağ kenara dikey cam panel — videonun sağ-alt filigranını da örter */
    background: linear-gradient(90deg, rgba(8,8,12,0.0) 0%, rgba(8,8,12,0.55) 22%, rgba(8,8,12,0.82) 100%);
    backdrop-filter: blur(2px);
    border-left: 1px solid var(--border-color);
}

/* Tek tek kartlar üst üste yığılır; aktif olan fade-in olur */
.info-card {
    position: absolute;
    top: 50%;
    left: 44px;
    right: 44px;
    transform: translateY(-46%);
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 32px 30px 34px;
    border-radius: 22px;
    background: rgba(12, 12, 18, 0.55);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(22px) saturate(1.1);
    -webkit-backdrop-filter: blur(22px) saturate(1.1);
    box-shadow:
        0 30px 80px rgba(0, 0, 0, 0.55),
        inset 0 1px 0 rgba(255, 255, 255, 0.05),
        0 0 0 1px rgba(90, 200, 216, 0.04);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-46%) scale(0.975);
    filter: blur(8px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                filter 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                visibility 0.7s;
    pointer-events: none;
    max-height: calc(100vh - 130px);
    overflow-y: auto;
    scrollbar-width: none;
}
.info-card::-webkit-scrollbar { display: none; }

/* Üst kenarda ince siyan parıltı */
.info-card::before {
    content: '';
    position: absolute;
    top: 0; left: 24px; right: 24px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(90,200,216,0.6), transparent);
}

.info-card.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) scale(1);
    filter: blur(0);
    pointer-events: auto;
}

/* İç elemanların kademeli (stagger) blur-in girişi — premium his */
.info-card > * {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}
.info-card.active > * {
    opacity: 1;
    transform: translateY(0);
}
.info-card.active > *:nth-child(1) { transition-delay: 0.10s; }
.info-card.active > *:nth-child(2) { transition-delay: 0.16s; }
.info-card.active > *:nth-child(3) { transition-delay: 0.22s; }
.info-card.active > *:nth-child(4) { transition-delay: 0.28s; }
.info-card.active > *:nth-child(5) { transition-delay: 0.34s; }
.info-card.active > *:nth-child(6) { transition-delay: 0.40s; }
.info-card.active > *:nth-child(7) { transition-delay: 0.46s; }
.info-card.active > *:nth-child(8) { transition-delay: 0.52s; }

@media (prefers-reduced-motion: reduce) {
    .info-card, .info-card > * { filter: none !important; transition-duration: 0.3s; }
}

.info-eyebrow {
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--accent-color);
    text-transform: uppercase;
}

.info-title {
    font-family: var(--font-heading);
    font-size: 38px;
    line-height: 1.04;
    font-weight: 900;
    letter-spacing: -1px;
    background: linear-gradient(135deg, #ffffff 30%, #9fb6bd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 2px;
}

.info-lead {
    font-size: 15px;
    line-height: 1.6;
    color: #d4d8de;
    font-weight: 400;
}

.info-text {
    font-size: 13.5px;
    line-height: 1.7;
    color: var(--text-secondary);
    font-weight: 300;
}

.info-price-row {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 2px 0 4px;
}

.info-price {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 700;
    color: #fff;
}

.info-stock {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    font-weight: 600;
    color: var(--accent-color);
    background: var(--accent-glow);
    border: 1px solid rgba(90, 200, 216, 0.25);
    padding: 4px 10px;
    border-radius: 100px;
}
.info-stock i { width: 13px; height: 13px; }

/* Marka tanıtım kartı meta istatistikleri */
.info-meta-row {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}
.info-meta {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 14px 10px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    text-align: center;
}
.info-meta-num {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    color: #fff;
}
.info-meta-label {
    font-size: 10px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.info-scroll-cue {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    font-size: 11px;
    letter-spacing: 1px;
    color: var(--text-secondary);
    animation: infoCuePulse 2.4s ease-in-out infinite;
}
.info-scroll-cue i { width: 16px; height: 16px; color: var(--accent-color); }
@keyframes infoCuePulse {
    0%, 100% { opacity: 0.5; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(3px); }
}

/* Özellik listesi */
.info-features {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 14px;
    margin: 4px 0;
}
.info-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: #c4c9d0;
}
.info-features i {
    width: 15px; height: 15px;
    color: var(--accent-color);
    flex-shrink: 0;
}

/* Renk / beden seçim grupları */
.info-option-group {
    display: flex;
    flex-direction: column;
    gap: 9px;
}
.info-option-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-secondary);
}
.info-option-label .info-color-name { color: #fff; }

.info-swatches { display: flex; gap: 10px; }
.info-swatch {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: var(--transition-smooth);
    position: relative;
}
.info-swatch:hover { transform: scale(1.12); }
.info-swatch.active {
    box-shadow: 0 0 0 2px var(--bg-dark), 0 0 0 4px var(--accent-color);
}

.info-sizes { display: flex; gap: 8px; }
.info-size-btn {
    min-width: 42px;
    text-align: center;
    padding: 9px 0;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition-smooth);
}
.info-size-btn:hover { color: #fff; border-color: rgba(255,255,255,0.2); }
.info-size-btn.active {
    color: var(--bg-dark);
    background: var(--accent-color);
    border-color: var(--accent-color);
    box-shadow: 0 0 16px var(--accent-glow);
}

.info-add-btn {
    margin-top: 8px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px;
    border-radius: 14px;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    color: var(--bg-dark);
    background: var(--accent-color);
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: 0 10px 30px rgba(90, 200, 216, 0.25);
}
.info-add-btn:hover {
    background: #fff;
    box-shadow: 0 12px 36px rgba(90, 200, 216, 0.4);
    transform: translateY(-2px);
}
.info-add-btn i { width: 18px; height: 18px; }
.info-add-btn.added {
    background: #52ff9a;
    color: #04210f;
}

/* Kaydırma ilerleme noktaları (panel sağ kenarı) */
.info-progress {
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.info-progress-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transition: var(--transition-smooth);
}
.info-progress-dot.active {
    background: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-glow);
    transform: scale(1.3);
}

/* ==========================================================================
   MARKA ROZETİ — videonun sağ-alt filigranını örter (özellikle mobil)
   ========================================================================== */
.brand-watermark-badge {
    position: fixed;
    right: 16px;
    bottom: 16px;
    z-index: 8;
    display: none; /* masaüstünde info-panel zaten köşeyi örter */
    flex-direction: column;
    align-items: center;
    gap: 1px;
    padding: 8px 16px;
    border-radius: 12px;
    background: rgba(10, 12, 16, 0.6);
    border: 1px solid rgba(90, 200, 216, 0.3);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 24px rgba(0,0,0,0.4), 0 0 18px rgba(90, 200, 216, 0.18);
    pointer-events: none;
}
.brand-watermark-badge .bw-mark {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 900;
    letter-spacing: 1px;
    color: #fff;
}
.brand-watermark-badge .bw-sub {
    font-size: 9px;
    letter-spacing: 2px;
    color: var(--accent-color);
    text-transform: uppercase;
}

/* ==========================================================================
   RESPONSIVE — SCROLL DENEYİMİ
   ========================================================================== */
@media (max-width: 992px) {
    .info-panel {
        width: 420px;
        padding: 80px 28px 50px;
    }
    .info-card { left: 28px; right: 28px; padding: 28px 24px 30px; }
    .info-title { font-size: 32px; }
}

@media (max-width: 768px) {
    /* Panel alt yarıya taşınan bottom-sheet düzenine geçer */
    .info-panel {
        width: 100%;
        height: 100vh;
        top: auto;
        bottom: 0;
        align-items: flex-end;
        justify-content: stretch;
        padding: 0;
        background: linear-gradient(180deg, rgba(8,8,12,0.0) 0%, rgba(8,8,12,0.55) 45%, rgba(8,8,12,0.9) 100%);
        border-left: none;
    }
    /* Kartlar alt kenara sabitlenir; pasifler yerden boşluk kaplamaz (overlap) */
    .info-card {
        position: absolute;
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        transform: translateY(24px) scale(0.99);
        width: 100%;
        max-height: 72vh;
        border-radius: 22px 22px 0 0;
        padding: 22px 20px 26px;
        margin: 0;
    }
    .info-card.active {
        transform: translateY(0) scale(1);
    }
    .info-title { font-size: 28px; }
    .info-lead { font-size: 14px; }
    .info-meta-row { gap: 8px; }
    .info-progress { display: none; }

    /* Mobilde marka rozeti görünür — filigranı örter */
    .brand-watermark-badge { display: flex; }

    /* Rozet bottom-sheet ile çakışmasın: sheet üstünde sol köşeye */
    .brand-watermark-badge {
        bottom: auto;
        top: 76px;
        right: 14px;
        padding: 6px 12px;
    }
}

@media (max-width: 480px) {
    .info-card { max-height: 78vh; }
    .info-features { grid-template-columns: 1fr 1fr; gap: 8px 10px; }
    .info-title { font-size: 25px; }
}

/* ==========================================================================
   YILDIZ PUANI / YORUMLAR / FAVORİLER / FOOTER
   ========================================================================== */

/* ---- Yıldız puanı (kesirli dolgu tekniği) ---- */
.stars {
    position: relative;
    display: inline-block;
    font-size: 13px;
    line-height: 1;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.16);
    font-family: Arial, sans-serif;
}
.stars::before { content: "\2605\2605\2605\2605\2605"; }
.stars-fill {
    position: absolute;
    top: 0;
    left: 0;
    overflow: hidden;
    white-space: nowrap;
    color: #f5c518;
}
.stars-fill::before { content: "\2605\2605\2605\2605\2605"; }

/* ---- Katalog kartı puan satırı ---- */
.catalog-rating-row {
    display: flex;
    align-items: center;
    gap: 7px;
    margin-top: -2px;
}
.catalog-rating-count {
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ---- Katalog kartı favori (kalp) butonu ---- */
.catalog-fav-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 3;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(10, 10, 15, 0.55);
    backdrop-filter: blur(8px);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
}
.catalog-fav-btn i { width: 18px; height: 18px; transition: var(--transition-smooth); }
.catalog-fav-btn:hover { background: rgba(255, 94, 98, 0.18); border-color: rgba(255, 94, 98, 0.5); transform: scale(1.08); }
.catalog-fav-btn.active { background: #ff5e62; border-color: #ff5e62; }
.catalog-fav-btn.active i { fill: #fff; }

/* ---- Header favori butonu ---- */
.wishlist-toggle-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px;
    border-radius: 50%;
    cursor: pointer;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition-smooth);
}
.wishlist-toggle-btn:hover {
    background: #ff5e62;
    color: #fff;
    box-shadow: 0 0 15px rgba(255, 94, 98, 0.35);
    transform: scale(1.05);
}
.wishlist-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #ff5e62;
    color: #fff;
    font-size: 10px;
    font-weight: 600;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 2px solid var(--bg-dark);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.wishlist-badge.has-items { transform: scale(1.12); }

/* ---- Quick View puan satırı + favori butonu ---- */
.qv-rating-row {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 14px;
}
.qv-rating-text { font-size: 12px; color: var(--text-secondary); }

.qv-wishlist-btn {
    width: 52px;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
}
.qv-wishlist-btn:hover { background: rgba(255, 94, 98, 0.15); border-color: rgba(255, 94, 98, 0.5); }
.qv-wishlist-btn.active { background: #ff5e62; border-color: #ff5e62; }
.qv-wishlist-btn.active i { fill: #fff; }

/* ---- Quick View yorum bölümü ---- */
.qv-reviews {
    margin-top: 26px;
    padding-top: 22px;
    border-top: 1px solid var(--border-color);
    max-height: 340px;
    overflow-y: auto;
    padding-right: 6px;
}
.qv-reviews-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}
.qv-reviews-header h4 { font-family: var(--font-heading); font-size: 16px; font-weight: 700; }
.qv-reviews-header h4 span { color: var(--text-secondary); font-weight: 400; }
.qv-reviews-avg { display: flex; align-items: center; gap: 7px; }
.qv-reviews-avg strong { font-size: 14px; color: #f5c518; }

.qv-review-list { display: flex; flex-direction: column; gap: 16px; }
.qv-review-item { display: flex; gap: 12px; }
.qv-review-avatar {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color), #3a8a96);
    color: #051416;
    font-weight: 700;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
}
.qv-review-body { flex: 1; }
.qv-review-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 3px; }
.qv-review-name { font-size: 13px; font-weight: 600; color: #fff; }
.qv-review-date { font-size: 11px; color: var(--text-secondary); }
.qv-review-text { font-size: 13px; line-height: 1.55; color: var(--text-secondary); margin-top: 5px; font-weight: 300; }

/* ---- Yorum yazma formu ---- */
.qv-review-form {
    margin-top: 22px;
    padding-top: 20px;
    border-top: 1px dashed var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.qv-review-form-title { font-size: 13px; font-weight: 600; color: #fff; }
.qv-star-picker { display: flex; gap: 4px; font-size: 22px; line-height: 1; cursor: pointer; }
.qv-pick-star { color: rgba(255, 255, 255, 0.18); transition: color 0.15s ease; }
.qv-pick-star.on { color: #f5c518; }
.qv-review-form input,
.qv-review-form textarea {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: #fff;
    border-radius: 10px;
    padding: 10px 13px;
    font-size: 13px;
    font-family: var(--font-body);
    outline: none;
    transition: var(--transition-smooth);
}
.qv-review-form input:focus,
.qv-review-form textarea:focus { border-color: var(--accent-color); }
.qv-review-form textarea { resize: vertical; min-height: 64px; }
.qv-review-form button {
    align-self: flex-start;
    background: rgba(90, 200, 216, 0.1);
    border: 1px solid rgba(90, 200, 216, 0.3);
    color: var(--accent-color);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 12px;
    padding: 10px 18px;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 7px;
    transition: var(--transition-smooth);
}
.qv-review-form button:hover { background: var(--accent-color); color: #001; }
.qv-review-form button i { width: 15px; height: 15px; }

/* ==========================================================================
   FAVORİLER DRAWER
   ========================================================================== */
.wishlist-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}
.wishlist-drawer-overlay.active { opacity: 1; pointer-events: auto; }

.wishlist-drawer {
    position: fixed;
    top: 0;
    right: -450px;
    width: 420px;
    max-width: 92vw;
    height: 100vh;
    background: rgba(10, 9, 18, 0.85);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border-left: 1px solid var(--border-color);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    transition: right 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.6);
}
.wishlist-drawer.active { right: 0; }

.wishlist-drawer-header {
    padding: 30px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.wishlist-drawer-header h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 9px;
}
.wishlist-drawer-header h3 i { width: 20px; height: 20px; color: #ff5e62; }
.wishlist-close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    transition: var(--transition-smooth);
}
.wishlist-close-btn:hover { color: #fff; transform: rotate(90deg); }

.wishlist-items-container {
    flex: 1;
    overflow-y: auto;
    padding: 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.wishlist-item {
    display: flex;
    gap: 14px;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.02);
    transition: var(--transition-smooth);
}
.wishlist-item:hover { border-color: rgba(255, 255, 255, 0.12); background: rgba(255, 255, 255, 0.035); }
.wishlist-item-img {
    width: 74px;
    height: 74px;
    flex-shrink: 0;
    border-radius: 10px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.03);
}
.wishlist-item-img img { width: 100%; height: 100%; object-fit: cover; }
.wishlist-item-info { flex: 1; display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.wishlist-item-name { font-size: 13px; font-weight: 600; color: #fff; }
.wishlist-item-rating { display: flex; align-items: center; gap: 6px; }
.wishlist-item-rating span { font-size: 11px; color: var(--text-secondary); }
.wishlist-item-price { font-size: 12px; color: var(--text-secondary); }
.wishlist-item-actions { display: flex; gap: 8px; margin-top: 6px; }
.wishlist-view-btn {
    flex: 1;
    background: rgba(90, 200, 216, 0.08);
    border: 1px solid rgba(90, 200, 216, 0.22);
    color: var(--accent-color);
    font-size: 11px;
    font-weight: 600;
    padding: 7px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    transition: var(--transition-smooth);
}
.wishlist-view-btn:hover { background: var(--accent-color); color: #001; }
.wishlist-view-btn i { width: 13px; height: 13px; }
.wishlist-remove-btn {
    width: 34px;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}
.wishlist-remove-btn:hover { background: rgba(255, 94, 98, 0.15); border-color: rgba(255, 94, 98, 0.45); color: #ff5e62; }
.wishlist-remove-btn i { width: 15px; height: 15px; }

/* ==========================================================================
   KATALOG FOOTER
   ========================================================================== */
.catalog-footer {
    margin-top: 60px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 38px;
}

/* Bülten bandı */
.footer-newsletter {
    margin-top: 30px;
    padding: 34px 38px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    flex-wrap: wrap;
    background: linear-gradient(135deg, rgba(90, 200, 216, 0.06) 0%, rgba(255, 255, 255, 0.02) 60%);
    border: 1px solid rgba(90, 200, 216, 0.14);
}
.footer-newsletter-text h3 { font-family: var(--font-heading); font-size: 22px; font-weight: 800; margin-bottom: 6px; }
.footer-newsletter-text p { font-size: 13px; color: var(--text-secondary); max-width: 420px; }
.footer-newsletter-form { display: flex; gap: 10px; flex: 1; min-width: 280px; max-width: 460px; }
.footer-newsletter-form input {
    flex: 1;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--border-color);
    color: #fff;
    border-radius: 12px;
    padding: 14px 18px;
    font-size: 13px;
    font-family: var(--font-body);
    outline: none;
    transition: var(--transition-smooth);
}
.footer-newsletter-form input:focus { border-color: var(--accent-color); }
.footer-newsletter-form button {
    background: var(--accent-color);
    border: none;
    color: #04161a;
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 13px;
    padding: 0 24px;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    transition: var(--transition-smooth);
}
.footer-newsletter-form button:hover { background: var(--accent-hover); box-shadow: 0 6px 20px var(--accent-glow); transform: translateY(-2px); }
.footer-newsletter-form button i { width: 16px; height: 16px; }

/* Güven rozetleri */
.footer-trust {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.trust-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 20px;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.015);
    transition: var(--transition-smooth);
}
.trust-item:hover { border-color: rgba(90, 200, 216, 0.2); background: rgba(255, 255, 255, 0.03); }
.trust-item i { width: 26px; height: 26px; color: var(--accent-color); flex-shrink: 0; stroke-width: 1.5; }
.trust-item strong { display: block; font-size: 13px; font-weight: 600; color: #fff; }
.trust-item span { font-size: 11px; color: var(--text-secondary); }

/* Link kolonları */
.footer-columns {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 40px;
}
.footer-logo { font-family: var(--font-heading); font-weight: 900; font-size: 24px; letter-spacing: 2px; margin-bottom: 14px; }
.footer-logo span { font-weight: 300; color: var(--accent-color); }
.footer-tagline { font-size: 13px; line-height: 1.6; color: var(--text-secondary); max-width: 320px; margin-bottom: 18px; font-weight: 300; }
.footer-socials { display: flex; gap: 12px; }
.footer-socials a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}
.footer-socials a:hover { color: var(--accent-color); border-color: var(--accent-color); transform: translateY(-3px); }
.footer-socials a i { width: 17px; height: 17px; }
.footer-link-col h4 { font-family: var(--font-heading); font-size: 14px; font-weight: 600; margin-bottom: 16px; color: #fff; }
.footer-link-col a {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 11px;
    transition: var(--transition-smooth);
    width: fit-content;
}
.footer-link-col a:hover { color: var(--accent-color); transform: translateX(4px); }

/* Alt bar */
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0 8px;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 16px;
}
.footer-bottom > span { font-size: 12px; color: var(--text-secondary); }
.footer-payments { display: flex; gap: 8px; flex-wrap: wrap; }
.pay-pill {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 5px 10px;
    background: rgba(255, 255, 255, 0.02);
}

/* ---- Footer responsive ---- */
@media (max-width: 900px) {
    .footer-trust { grid-template-columns: 1fr 1fr; }
    .footer-columns { grid-template-columns: 1fr 1fr; gap: 30px; }
    .footer-newsletter { padding: 26px; }
}
@media (max-width: 560px) {
    .footer-trust { grid-template-columns: 1fr; }
    .footer-columns { grid-template-columns: 1fr; }
    .footer-newsletter-form { min-width: 100%; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .wishlist-drawer { width: 100vw; right: -100vw; }
}