/* TTŞarj — Premium Modern Design System v2 */
:root {
    --primary: #002068;
    --primary-container: #003399;
    --on-primary: #ffffff;
    --secondary: #bb0014;
    --secondary-container: #e41f25;
    --tertiary: #002b40;
    --tertiary-container: #00425f;
    --electric-blue: #00ACF0;
    --vibrant-red: #E31E24;
    --parliament-blue: #003399;
    --safety-green: #74AF28;
    --surface: #fbf9f8;
    --surface-dim: #dcd9d9;
    --surface-container: #f0eded;
    --surface-container-low: #f6f3f2;
    --surface-container-high: #eae8e7;
    --surface-gray: #F5F7FA;
    --on-surface: #1b1c1c;
    --on-surface-variant: #444653;
    --outline: #747684;
    --outline-variant: #c4c5d5;
    --background: #fbf9f8;
    --on-background: #1b1c1c;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
    --radius-card: 1rem;
    --radius-btn: 0.5rem;
    --transition-base: 0.25s cubic-bezier(0.4,0,0.2,1);
    --shadow-card: 0 2px 8px rgba(0,33,104,0.08), 0 1px 3px rgba(0,33,104,0.04);
    --shadow-card-hover: 0 16px 40px rgba(0,51,153,0.14), 0 4px 12px rgba(0,51,153,0.08);
    --shadow-product: 0 8px 32px rgba(0,51,153,0.1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    color: var(--on-surface);
    background: var(--background);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--primary-container); text-decoration: none; transition: color var(--transition-base); }
a:hover { color: var(--parliament-blue); }
img { display: block; max-width: 100%; }

/* ─── Layout ─── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 1rem; }
@media (min-width: 640px) { .container { padding: 0 1.5rem; } }
@media (min-width: 1024px) { .container { padding: 0 2.5rem; } }
@media (min-width: 1440px) { .container { max-width: 1400px; padding: 0 3rem; } }

/* ─── Animations ─── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(28px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; } to { opacity: 1; }
}
@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-24px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.93); }
    to   { opacity: 1; transform: scale(1); }
}
@keyframes pulse-ring {
    0%   { box-shadow: 0 0 0 0 rgba(0,172,240,.4); }
    70%  { box-shadow: 0 0 0 12px rgba(0,172,240,0); }
    100% { box-shadow: 0 0 0 0 rgba(0,172,240,0); }
}
@keyframes shimmer {
    0%   { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.animate-fadeInUp  { animation: fadeInUp  0.6s ease both; }
.animate-fadeIn    { animation: fadeIn    0.4s ease both; }
.animate-scaleIn   { animation: scaleIn   0.4s ease both; }
.animate-delay-100 { animation-delay: .10s; }
.animate-delay-200 { animation-delay: .20s; }
.animate-delay-300 { animation-delay: .30s; }
.animate-delay-400 { animation-delay: .40s; }
.animate-delay-500 { animation-delay: .50s; }

/* Scroll-triggered reveal */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity 0.65s ease, transform 0.65s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-24px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal-left.visible { opacity: 1; transform: translateX(0); }

/* ─── Header ─── */
header { transition: box-shadow 0.3s ease, background 0.3s ease; }
header.scrolled { box-shadow: 0 2px 20px rgba(0,33,104,0.1); }

/* ─── Hero ─── */
.hero-overlay {
    background: linear-gradient(125deg, rgba(0,20,80,0.75) 0%, rgba(0,51,153,0.35) 45%, transparent 80%);
}
.hero-slider-arrow {
    box-shadow: 0 4px 20px rgba(0,51,153,0.2);
    transition: all 0.2s ease;
}
.hero-slider-arrow:hover { transform: scale(1.08); }

/* ─── Section Headings ─── */
.section-label {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--electric-blue);
    background: rgba(0,172,240,0.1);
    padding: 0.25rem 0.875rem;
    border-radius: 99px;
    margin-bottom: 0.75rem;
}
.section-title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
}
@media (min-width: 1024px) { .section-title { font-size: 2.125rem; } }

/* ─── Product Cards ─── */
.product-card {
    background: #fff;
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-card);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    position: relative;
}
.product-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--parliament-blue), var(--electric-blue));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s ease;
    z-index: 1;
}
.product-card:hover::before { transform: scaleX(1); }
.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(0,51,153,0.15);
}

/* Product Card Image Container */
.product-img-wrap {
    position: relative;
    aspect-ratio: 1;
    background: var(--surface-gray);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
}
.product-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.45s cubic-bezier(0.4,0,0.2,1);
}
.product-card:hover .product-img-wrap img { transform: scale(1.08); }

/* ─── Category Cards ─── */
.category-card {
    background: #fff;
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-card);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    display: flex;
    flex-direction: column;
    align-items: center;
}
.category-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card-hover);
}

/* ─── Trust Badges ─── */
.trust-badge-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, background 0.3s ease;
}
.trust-badge-icon:hover {
    transform: scale(1.1);
    background: rgba(0,172,240,0.2);
}

/* ─── Shop Filter ─── */
.filter-sidebar {
    background: #fff;
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-card);
    padding: 1.25rem;
}
.filter-sidebar h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.875rem;
}

/* ─── Product Grid Card (shop.php) ─── */
.product-grid-card {
    background: #fff;
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-card);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    position: relative;
}
.product-grid-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--parliament-blue), var(--electric-blue));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s ease;
}
.product-grid-card:hover::after { transform: scaleX(1); }
.product-grid-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(0,51,153,0.15);
}

/* ─── Breadcrumb ─── */
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.25rem;
}
.breadcrumb a {
    color: var(--on-surface-variant);
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.25rem 0;
}
.breadcrumb a:hover { color: var(--parliament-blue); }
.breadcrumb span.sep { color: var(--outline); margin: 0 0.375rem; font-size: 0.7rem; }
.breadcrumb .current { color: var(--on-surface); font-weight: 700; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; }

/* ─── Buttons ─── */
.btn-primary {
    background: linear-gradient(135deg, var(--vibrant-red), #c0101a);
    color: #fff;
    font-weight: 700;
    border-radius: var(--radius-btn);
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: none;
    cursor: pointer;
}
.btn-primary:hover {
    background: linear-gradient(135deg, #c0101a, var(--vibrant-red));
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(227,30,36,0.35);
    color: #fff;
}
.btn-primary:active { transform: scale(0.97); }

.btn-blue {
    background: linear-gradient(135deg, var(--parliament-blue), #0044cc);
    color: #fff;
    font-weight: 700;
    border-radius: var(--radius-btn);
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: none;
    cursor: pointer;
}
.btn-blue:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0,51,153,0.3);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--parliament-blue);
    border: 2px solid var(--parliament-blue);
    font-weight: 700;
    border-radius: var(--radius-btn);
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
}
.btn-outline:hover { background: var(--parliament-blue); color: #fff; }

/* ─── Badges ─── */
.badge-stock {
    background: var(--safety-green);
    color: #fff;
    font-size: 0.625rem;
    font-weight: 700;
    padding: 0.3rem 0.875rem;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}
.badge-sale {
    background: linear-gradient(135deg, var(--vibrant-red), #c0101a);
    color: #fff;
    font-size: 0.625rem;
    font-weight: 800;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    text-transform: uppercase;
}
.badge-new {
    background: linear-gradient(135deg, var(--electric-blue), #0090cc);
    color: #fff;
    font-size: 0.625rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    text-transform: uppercase;
}

/* ─── Cart & Order ─── */
.cart-item-card {
    background: #fff;
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-card);
    padding: 1rem;
    box-shadow: var(--shadow-card);
    transition: box-shadow 0.2s;
}
.cart-item-card:hover { box-shadow: var(--shadow-card-hover); }

.order-summary-card {
    background: #fff;
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-card);
    padding: 1.5rem;
    box-shadow: var(--shadow-card);
    position: sticky;
    top: 6rem;
}

/* ─── Newsletter Section ─── */
.newsletter-section {
    background: linear-gradient(135deg, #002b40 0%, #003399 50%, #001a5c 100%);
    position: relative;
    overflow: hidden;
}
.newsletter-section::before {
    content: '';
    position: absolute;
    top: -50%; right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(circle, rgba(0,172,240,0.12) 0%, transparent 70%);
    pointer-events: none;
}
.newsletter-section::after {
    content: '';
    position: absolute;
    bottom: -30%; left: -10%;
    width: 50%;
    height: 150%;
    background: radial-gradient(circle, rgba(227,30,36,0.08) 0%, transparent 70%);
    pointer-events: none;
}

/* ─── Stats / Trust ─── */
.trust-section {
    background: linear-gradient(135deg, #001a5c 0%, #002b40 100%);
    position: relative;
    overflow: hidden;
}
.trust-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

/* ─── Product Detail ─── */
.product-detail-img-wrap {
    background: #f8f9fc;
    border-radius: var(--radius-card);
    overflow: hidden;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: zoom-in;
    position: relative;
}
.product-detail-img-wrap img {
    max-width: 85%;
    max-height: 85%;
    object-fit: contain;
    transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
}
.product-detail-img-wrap:hover img { transform: scale(1.06); }
.product-detail-img-wrap .zoom-icon {
    position: absolute;
    top: 0.875rem;
    right: 0.875rem;
    width: 2rem;
    height: 2rem;
    background: rgba(0,0,0,0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.7rem;
    opacity: 0;
    transition: opacity 0.2s;
}
.product-detail-img-wrap:hover .zoom-icon { opacity: 1; }

/* Quantity Input */
.qty-input {
    display: flex;
    align-items: center;
    border: 2px solid var(--outline-variant);
    border-radius: var(--radius-btn);
    overflow: hidden;
    width: fit-content;
    transition: border-color 0.2s;
}
.qty-input:focus-within { border-color: var(--parliament-blue); }
.qty-btn {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--surface-container);
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    color: var(--on-surface-variant);
    transition: background 0.2s, color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.qty-btn:hover { background: var(--parliament-blue); color: #fff; }
.qty-val {
    width: 3rem;
    text-align: center;
    border: none;
    outline: none;
    font-weight: 600;
    font-size: 1rem;
    color: var(--on-surface);
    background: #fff;
}

/* Tabs */
.tab-btn {
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--on-surface-variant);
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    cursor: pointer;
    white-space: nowrap;
    background: none;
    border-left: none;
    border-right: none;
    border-top: none;
}
.tab-btn:hover { color: var(--parliament-blue); }
.tab-btn.active { color: var(--parliament-blue); border-bottom-color: var(--parliament-blue); }

/* ─── Toast ─── */
.toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    background: var(--parliament-blue);
    color: #fff;
    padding: 0.875rem 1.5rem;
    border-radius: var(--radius-card);
    font-size: 0.875rem;
    z-index: 9999;
    transform: translateY(120px);
    opacity: 0;
    transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
    box-shadow: 0 12px 40px rgba(0,51,153,0.25);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { background: linear-gradient(135deg, #003399, #0055cc); }
.toast.error   { background: linear-gradient(135deg, var(--vibrant-red), #c0101a); }

/* ─── Skeleton loading ─── */
.skeleton {
    background: linear-gradient(90deg, #f0eded 25%, #e0dede 50%, #f0eded 75%);
    background-size: 200% 100%;
    animation: shimmer 1.4s infinite;
    border-radius: 0.5rem;
}

/* ─── Mobile Bottom Nav (if needed) ─── */
@media (max-width: 640px) {
    .hero-slide { min-height: 0; }
    .hero-banner-image {
        display: block;
        width: 100%;
        height: auto !important;
        aspect-ratio: 16 / 9;
        object-fit: contain;
    }
    .hero-video-frame {
        height: auto !important;
        aspect-ratio: 16 / 9;
    }
    .hero-video-frame .hero-banner-video,
    .hero-video-frame .hero-youtube-frame {
        width: 100% !important;
        height: 100% !important;
    }
    .hero-video-frame .hero-banner-video { object-fit: contain; }
    .section-title { font-size: 1.5rem; }
    .product-img-wrap { padding: 1rem; }
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--surface-container); }
::-webkit-scrollbar-thumb { background: var(--outline-variant); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--parliament-blue); }

/* ─── Misc utilities ─── */
.technical-shadow { box-shadow: var(--shadow-card); }
.glass {
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.15);
}
.gradient-text {
    background: linear-gradient(135deg, var(--parliament-blue), var(--electric-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }