/* ===== Design tokens ===== */
:root {
    --red: #EE1B24;
    --red-dark: #C8101B;
    --black: #0B0B0D;
    --anthracite: #17181B;
    --gray-dark: #24262A;
    --gray-light: #F2F2F2;
    --white: #FFFFFF;
    --text-muted: #8B8D91;

    --font-display: 'Oswald', 'Arial Narrow', sans-serif;
    --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --radius-pill: 999px;

    --shadow-soft: 0 2px 8px -2px rgba(11, 11, 13, 0.08), 0 8px 24px -12px rgba(11, 11, 13, 0.12);
    --shadow-red: 0 10px 30px -10px rgba(238, 27, 36, 0.45), 0 2px 8px -2px rgba(11, 11, 13, 0.2);
    --shadow-lift: 0 20px 40px -16px rgba(11, 11, 13, 0.25);

    --container: 1220px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--anthracite);
    background: var(--white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin: 0 0 0.6em;
    color: var(--black);
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.8rem, 3.2vw, 2.6rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { padding: 0; margin: 0; list-style: none; }

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.text-muted { color: var(--text-muted); }
.text-red { color: var(--red); }

.section { padding: 88px 0; }
.section-light { background: var(--gray-light); }
.section-dark { background: var(--black); color: var(--white); }
.section-dark h1, .section-dark h2, .section-dark h3 { color: var(--white); }

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
    font-size: 0.8rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--red);
    margin-bottom: 1rem;
}
.eyebrow::before {
    content: '';
    width: 22px;
    height: 2px;
    background: var(--red);
    display: inline-block;
}

.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 32px;
    border-radius: var(--radius-pill);
    font-family: var(--font-display);
    font-size: 0.92rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease, background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }

.btn-primary { background: var(--red); color: var(--white); box-shadow: var(--shadow-red); }
.btn-primary:hover { background: var(--red-dark); box-shadow: 0 14px 34px -10px rgba(238, 27, 36, 0.55); }

.btn-outline { background: transparent; color: var(--white); border-color: rgba(255, 255, 255, 0.35); }
.btn-outline:hover { border-color: var(--white); background: rgba(255, 255, 255, 0.08); }

.btn-outline-dark { background: transparent; color: var(--black); border-color: var(--gray-dark); }
.btn-outline-dark:hover { border-color: var(--black); background: var(--gray-light); }

.btn-sm { padding: 10px 20px; font-size: 0.78rem; }
.btn-block { width: 100%; }

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--black);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.topbar {
    background: var(--gray-dark);
    color: var(--text-muted);
    font-size: 0.82rem;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; padding-top: 8px; padding-bottom: 8px; flex-wrap: wrap; gap: 8px; }
.topbar a { color: var(--white); }
.topbar-links { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; }
.topbar-item { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.topbar-item:first-child .topbar-value { color: var(--red); font-weight: 600; }
.topbar-item:hover { color: var(--red); }
.topbar-icon { width: 14px; height: 14px; flex-shrink: 0; opacity: 0.85; }

@media (max-width: 720px) {
    .topbar .container { flex-wrap: nowrap; padding-top: 7px; padding-bottom: 7px; gap: 10px; }
    .topbar-links { gap: 12px; }
    .topbar-label { display: none; }
    .topbar-secondary { display: none; }
    .topbar-item { font-size: 0.72rem; }
}
@media (max-width: 420px) {
    .topbar-item[href^="https://wa.me"] .topbar-value { display: none; }
    .lang-switch button { padding: 4px 7px; }
}

/* ===== Dil değiştirici ===== */
.lang-switch { display: flex; gap: 2px; background: rgba(255,255,255,0.08); border-radius: var(--radius-pill); padding: 2px; }
.lang-switch button {
    border: none;
    background: transparent;
    color: rgba(255,255,255,0.6);
    font-family: var(--font-display);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}
.lang-switch button:hover { color: var(--white); }
.lang-switch button.active { background: var(--red); color: var(--white); }

/* Google Translate widget'ının varsayılan arayüzünü gizle, sadece motorunu kullan */
.goog-hidden-widget { position: absolute; top: -9999px; left: -9999px; visibility: hidden; }
.goog-te-banner-frame, .goog-te-gadget-icon { display: none !important; }
body { top: 0 !important; }
.goog-text-highlight { background: none !important; box-shadow: none !important; }
.skiptranslate iframe { display: none !important; }

.navbar { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; background: var(--white); padding: 8px 14px; border-radius: var(--radius-sm); }
.brand img { height: 34px; width: auto; }

.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a {
    color: var(--white);
    font-family: var(--font-display);
    font-size: 0.88rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    position: relative;
    padding: 6px 0;
}
.nav-links a::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 0; height: 2px;
    background: var(--red);
    transition: width 0.25s ease;
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--red); }

.nav-actions { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; background: none; border: none; color: var(--white); font-size: 1.6rem; cursor: pointer; }

/* ===== Hero ===== */
.hero {
    position: relative;
    background: radial-gradient(120% 140% at 15% 0%, rgba(238, 27, 36, 0.22), transparent 55%),
        radial-gradient(100% 120% at 100% 100%, rgba(238, 27, 36, 0.12), transparent 60%),
        linear-gradient(180deg, var(--black), var(--anthracite));
    color: var(--white);
    padding: 110px 0 100px;
    overflow: hidden;
}
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%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)' opacity='0.035'/%3E%3C/svg%3E");
    pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; position: relative; z-index: 1; }
.hero h1 { color: var(--white); margin-bottom: 0.5em; }
.hero h1 span { color: var(--red); }
.hero-lead { font-size: 1.08rem; color: rgba(255, 255, 255, 0.72); max-width: 480px; margin-bottom: 2.2rem; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 32px; margin-top: 3rem; flex-wrap: wrap; }
.hero-stat strong { display: block; font-family: var(--font-display); font-size: 1.9rem; color: var(--white); }
.hero-stat span { font-size: 0.82rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; }

.hero-visual {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4 / 5;
    background: var(--gray-dark);
    box-shadow: var(--shadow-lift);
    border: 1px solid rgba(255, 255, 255, 0.08);
}
.hero-visual img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-visual::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(0deg, rgba(11,11,13,0.85), transparent 55%);
    z-index: 1;
}

/* ===== Placeholder blocks (görsel yeri) ===== */
.img-placeholder {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(135deg, var(--gray-light), var(--gray-light) 10px, #e9e9ea 10px, #e9e9ea 20px);
    border: 1.5px dashed #c7c8cb;
    color: #9a9ba0;
    text-align: center;
    font-family: var(--font-display);
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    min-height: 100px;
}
.img-placeholder svg { width: 30px; height: 30px; opacity: 0.55; }
.section-dark .img-placeholder,
.hero-visual .img-placeholder {
    background: repeating-linear-gradient(135deg, #1d1e22, #1d1e22 10px, #202126 10px, #202126 20px);
    border-color: #34363b;
    color: #6d6f75;
}

/* ===== Feature cards ===== */
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature-card {
    position: relative;
    overflow: hidden;
    background: var(--anthracite);
    color: var(--white);
    border-radius: var(--radius-md);
    padding: 30px 26px;
    border: 1px solid var(--gray-dark);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease, border-color 0.3s ease;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: -50%; right: -35%;
    width: 240px; height: 240px;
    background: radial-gradient(circle, rgba(238, 27, 36, 0.14), transparent 70%);
    pointer-events: none;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); border-color: var(--red); }
.feature-icon {
    position: relative;
    width: 48px; height: 48px;
    border-radius: 50%;
    background: rgba(238, 27, 36, 0.14);
    color: var(--red);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 18px;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.feature-card:hover .feature-icon { transform: scale(1.1); }
.feature-card h3 { position: relative; color: var(--white); text-transform: none; letter-spacing: 0; font-size: 1.1rem; }
.feature-card p { position: relative; color: var(--text-muted); font-size: 0.92rem; margin: 0; }
.feature-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 18px;
    color: var(--red);
    font-family: var(--font-display);
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.feature-link svg { width: 14px; height: 14px; transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1); }
.feature-card:hover .feature-link { color: var(--white); }
.feature-card:hover .feature-link svg { transform: translateX(4px); }

/* ===== Category / product grid ===== */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.category-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 1 / 1.05;
    background: var(--gray-dark);
    box-shadow: var(--shadow-soft);
}
.category-card .img-placeholder { position: absolute; inset: 0; }
.category-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.category-card-label {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    z-index: 2;
    padding: 20px;
    background: linear-gradient(0deg, rgba(11,11,13,0.88), transparent);
    color: var(--white);
}
.category-card-label h3 { color: var(--white); margin: 0; font-size: 1.05rem; }
.category-card-label span { font-size: 0.8rem; color: rgba(255,255,255,0.7); }

.product-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
    border: 1px solid #ececee;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); }
.product-card-media { aspect-ratio: 4/3; position: relative; overflow: hidden; }
.product-card-media img { width: 100%; height: 100%; object-fit: cover; object-position: center; }

/* Ürün detay sayfası: görsel hiç kırpılmadan tamamı gösterilir, tıklanınca büyür */
.product-hero-media, .product-thumb-media {
    position: relative;
    background: var(--gray-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: zoom-in;
    transition: box-shadow 0.2s ease;
}
.product-hero-media:hover, .product-thumb-media:hover { box-shadow: var(--shadow-soft); }
.product-hero-media { height: 420px; box-shadow: var(--shadow-soft); margin-bottom: 12px; }
.product-hero-media img { width: 100%; height: 100%; object-fit: contain; object-position: center; }
.product-thumb-media { aspect-ratio: 1; border-radius: var(--radius-sm); }
.product-thumb-media img { width: 100%; height: 100%; object-fit: contain; object-position: center; }
@media (max-width: 600px) {
    .product-hero-media { height: 300px; }
}
.product-card-body { padding: 20px 22px 24px; }
.product-card-tags { display: flex; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.tag {
    display: inline-block;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 4px 11px;
    border-radius: var(--radius-pill);
    background: var(--gray-light);
    color: var(--anthracite);
    font-weight: 600;
}
.tag-red { background: rgba(238,27,36,0.1); color: var(--red-dark); }
.product-card h3 { font-size: 1.05rem; text-transform: none; letter-spacing: 0; margin-bottom: 6px; }
.product-card p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 14px; }

/* ===== Filters ===== */
.filter-bar {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    align-items: center;
    padding: 18px;
    background: var(--white);
    border: 1px solid #ececee;
    border-radius: var(--radius-md);
    margin-bottom: 40px;
    box-shadow: var(--shadow-soft);
}
.filter-bar input[type=text] {
    font-family: var(--font-body);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid #dadbde;
    background: var(--white);
    font-size: 0.9rem;
    min-width: 180px;
}
.filter-bar .btn { margin-left: auto; }
.filter-bar select.scombo-native { display: none; }

/* ===== Aranabilir dropdown (scombo) ===== */
.scombo { position: relative; min-width: 200px; flex: 1; }
.scombo-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    border: 1.5px solid #e2e3e5;
    background: var(--white);
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--anthracite);
    cursor: pointer;
    text-align: left;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.scombo-trigger:hover { border-color: #c7c8cb; }
.scombo.open .scombo-trigger { border-color: var(--red); box-shadow: 0 0 0 3px rgba(238,27,36,0.1); }
.scombo-icon { flex-shrink: 0; width: 18px; height: 18px; color: var(--text-muted); }
.scombo-icon svg { width: 100%; height: 100%; }
.scombo-label { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.scombo-chevron { flex-shrink: 0; width: 14px; height: 14px; color: var(--text-muted); transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1); }
.scombo-chevron svg { width: 100%; height: 100%; }
.scombo.open .scombo-chevron { transform: rotate(180deg); color: var(--red); }

.scombo-panel {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    z-index: 50;
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid #ececee;
    box-shadow: var(--shadow-lift);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px) scale(0.98);
    transform-origin: top center;
    transition: opacity 0.18s ease, transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), visibility 0.18s;
    overflow: hidden;
}
.scombo.open .scombo-panel { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
.scombo-search-wrap { padding: 10px; border-bottom: 1px solid #f0f0f1; }
.scombo-search {
    width: 100%;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid #e2e3e5;
    font-family: var(--font-body);
    font-size: 0.88rem;
    background: var(--gray-light);
}
.scombo-search:focus { outline: none; border-color: var(--red); background: var(--white); }
.scombo-options { list-style: none; margin: 0; padding: 6px; max-height: 260px; overflow-y: auto; }
.scombo-option {
    padding: 9px 12px;
    border-radius: 6px;
    font-size: 0.88rem;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
}
.scombo-option:hover { background: var(--gray-light); }
.scombo-option.active { background: rgba(238,27,36,0.08); color: var(--red-dark); font-weight: 600; }
.scombo-group-label {
    padding: 8px 12px 4px;
    font-family: var(--font-display);
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
}
@media (max-width: 720px) {
    .scombo { min-width: 100%; }
}

/* ===== FAQ accordion ===== */
.accordion { max-width: 780px; }
.accordion-item {
    border-bottom: 1px solid #e6e6e8;
}
.accordion-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 22px 4px;
    background: none;
    border: none;
    text-align: left;
    font-family: var(--font-display);
    font-size: 1.02rem;
    color: var(--black);
    cursor: pointer;
}
.accordion-trigger .plus {
    flex-shrink: 0;
    width: 30px; height: 30px;
    border-radius: 50%;
    border: 1px solid var(--gray-dark);
    display: flex; align-items: center; justify-content: center;
    position: relative;
    transition: transform 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
}
.accordion-trigger .plus::before, .accordion-trigger .plus::after {
    content: '';
    position: absolute;
    background: var(--anthracite);
    transition: transform 0.3s ease;
}
.accordion-trigger .plus::before { width: 12px; height: 2px; }
.accordion-trigger .plus::after { width: 2px; height: 12px; }
.accordion-item.open .accordion-trigger .plus { background: var(--red); border-color: var(--red); }
.accordion-item.open .accordion-trigger .plus::before, .accordion-item.open .accordion-trigger .plus::after { background: var(--white); }
.accordion-item.open .accordion-trigger .plus::after { transform: scaleY(0); }
.accordion-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}
.accordion-panel-inner { padding: 0 4px 22px; color: var(--text-muted); }

/* ===== Variant toggle (fiberglass / plastik) ===== */
.variant-toggle { display: flex; gap: 12px; margin-bottom: 28px; }
.variant-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    border: 1.5px solid #e2e3e5;
    background: var(--white);
    cursor: pointer;
    text-align: left;
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}
.variant-btn strong { font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.02em; font-size: 0.95rem; }
.variant-btn span { font-size: 0.78rem; color: var(--text-muted); }
.variant-btn:hover { transform: translateY(-2px); border-color: var(--red); }
.variant-btn.active { border-color: var(--red); background: rgba(238,27,36,0.05); box-shadow: var(--shadow-red); }
.variant-btn.active strong { color: var(--red); }

.rich-content ul { display: flex; flex-direction: column; gap: 10px; margin: 0 0 1.4em; }
.rich-content ul li {
    position: relative;
    padding-left: 28px;
    color: var(--anthracite);
}
.rich-content ul li::before {
    content: '';
    position: absolute;
    left: 0; top: 6px;
    width: 16px; height: 16px;
    border-radius: 50%;
    background: rgba(238, 27, 36, 0.12);
}
.rich-content ul li::after {
    content: '';
    position: absolute;
    left: 5px; top: 10px;
    width: 6px; height: 3px;
    border-left: 2px solid var(--red);
    border-bottom: 2px solid var(--red);
    transform: rotate(-45deg);
}
.rich-content h2 { font-size: 1.5rem; margin-top: 1.4em; }
.rich-content h3 { margin-top: 1em; }
.rich-content h2:first-child, .rich-content h3:first-child { margin-top: 0; }
.rich-content .press-photo { width: 100%; border-radius: var(--radius-md); margin: 1.6em 0; box-shadow: 0 10px 30px -12px rgba(11,11,13,0.25); }
.rich-content .press-photo-caption { display: block; text-align: center; font-size: 0.82rem; color: var(--text-muted); margin-top: -1.2em; margin-bottom: 1.6em; }
.variant-panel { display: none; }
.variant-panel.active { display: block; animation: fadeIn 0.4s ease; }

.about-tabs { display: flex; gap: 4px; justify-content: center; flex-wrap: wrap; margin-bottom: 8px; border-bottom: 1px solid #e6e6e8; }
.about-tab-btn { font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.04em; font-size: 0.88rem; font-weight: 600; padding: 18px 22px; background: none; border: none; border-bottom: 3px solid transparent; color: var(--text-muted); cursor: pointer; transition: color 0.2s ease, border-color 0.2s ease; }
.about-tab-btn:hover { color: var(--anthracite); }
.about-tab-btn.active { color: var(--red); border-color: var(--red); }
.about-tab-panel { display: none; }
.about-tab-panel.active { display: block; animation: fadeIn 0.4s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

/* ===== Gallery ===== */
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.gallery-item { border-radius: var(--radius-sm); overflow: hidden; aspect-ratio: 1; cursor: pointer; position: relative; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.gallery-item img, .gallery-item .img-placeholder { transition: transform 0.4s ease; }
.gallery-item:hover img, .gallery-item:hover .img-placeholder { transform: scale(1.06); }

.lightbox {
    position: fixed; inset: 0; z-index: 1000;
    background: rgba(11,11,13,0.92);
    display: none;
    align-items: center; justify-content: center;
    padding: 40px;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 100%; max-height: 85vh; border-radius: var(--radius-sm); }
.lightbox-close {
    position: absolute; top: 24px; right: 32px;
    background: none; border: none; color: var(--white); font-size: 2rem; cursor: pointer;
}
.lightbox-arrow {
    position: absolute; top: 50%; transform: translateY(-50%);
    width: 52px; height: 52px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.08);
    color: var(--white);
    font-size: 1.8rem;
    line-height: 1;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.lightbox-arrow:hover { background: var(--red); border-color: var(--red); }
.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }
@media (max-width: 600px) {
    .lightbox-arrow { width: 42px; height: 42px; font-size: 1.4rem; }
    .lightbox-prev { left: 6px; }
    .lightbox-next { right: 6px; }
}

/* ===== CTA banner ===== */
.cta-banner {
    background: linear-gradient(120deg, var(--black), var(--anthracite) 60%, #2a0507);
    color: var(--white);
    border-radius: var(--radius-lg);
    padding: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    flex-wrap: wrap;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
}
.cta-banner:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }
.cta-banner:hover .btn { background: var(--red-dark); }
.cta-banner::before {
    content: '';
    position: absolute;
    width: 420px; height: 420px;
    background: radial-gradient(circle, rgba(238,27,36,0.35), transparent 70%);
    top: -160px; right: -120px;
}
.cta-banner h2 { color: var(--white); margin-bottom: 0.3em; }
.cta-banner p { color: rgba(255,255,255,0.65); margin: 0; }

.product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
@media (max-width: 900px) {
    .product-detail-grid { grid-template-columns: 1fr; gap: 32px; }
}

.image-grid { display: grid; gap: 12px; }
@media (max-width: 600px) {
    .image-grid { grid-template-columns: repeat(3, 1fr) !important; }
}

/* ===== Pagination ===== */
.pagination { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: center; margin-top: 48px; }
.pagination-item {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 38px; height: 38px; padding: 0 8px;
    border-radius: var(--radius-sm);
    border: 1px solid #e2e3e5;
    font-family: var(--font-display);
    font-size: 0.88rem;
    color: var(--anthracite);
    transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}
.pagination-item:hover { border-color: var(--red); color: var(--red); }
.pagination-item.active { background: var(--red); border-color: var(--red); color: var(--white); }

.brand-logo-card {
    background: var(--white);
    border: 1px solid #ececee;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    padding: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 16/9;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
}
.brand-logo-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }
.brand-logo-card img { max-width: 100%; max-height: 100%; object-fit: contain; }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; }
.contact-info-item { display: flex; gap: 16px; padding: 20px 0; border-bottom: 1px solid #e6e6e8; }
.contact-info-item .ico {
    width: 44px; height: 44px; border-radius: 50%;
    background: rgba(238,27,36,0.1); color: var(--red);
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-info-item strong { display: block; font-family: var(--font-display); text-transform: uppercase; font-size: 0.85rem; letter-spacing: 0.04em; margin-bottom: 4px; }

.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; }
.form-control {
    width: 100%;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid #dadbde;
    font-family: var(--font-body);
    font-size: 0.95rem;
    background: var(--white);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-control:focus { outline: none; border-color: var(--red); box-shadow: 0 0 0 3px rgba(238,27,36,0.12); }
textarea.form-control { resize: vertical; min-height: 130px; }

.map-frame { border-radius: var(--radius-md); overflow: hidden; border: 1px solid #e6e6e8; margin-top: 30px; }
.map-frame iframe { width: 100%; height: 320px; border: 0; display: block; }

.alert { padding: 16px 20px; border-radius: var(--radius-sm); margin-bottom: 24px; font-size: 0.92rem; }
.alert-success { background: #e9f9ee; color: #1b7a3d; border: 1px solid #bfe9cc; }
.alert-error { background: #fdecec; color: var(--red-dark); border: 1px solid #f6c6c8; }

/* ===== Footer ===== */
.site-footer { background: var(--black); color: rgba(255,255,255,0.65); padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 50px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-grid h4 { color: var(--white); font-size: 0.85rem; letter-spacing: 0.08em; margin-bottom: 20px; }
.footer-grid ul li { margin-bottom: 12px; }
.footer-grid a:hover { color: var(--red); }
.footer-logo-box { display: inline-flex; background: var(--white); padding: 8px 14px; border-radius: var(--radius-sm); margin-bottom: 16px; }
.footer-logo-box img { height: 34px; width: auto; display: block; }
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.footer-social a {
    width: 38px; height: 38px; border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.2);
    display: flex; align-items: center; justify-content: center;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}
.footer-social a:hover { background: var(--red); border-color: var(--red); }
.footer-bottom { padding: 22px 0; text-align: center; font-size: 0.82rem; }
.footer-bottom a { color: rgba(255,255,255,0.85); font-weight: 600; transition: color 0.2s ease; }
.footer-bottom a:hover { color: var(--red); }

/* ===== Scroll reveal ===== */
[data-reveal],
[data-reveal-group] > * {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
[data-reveal].is-revealed,
[data-reveal-group] > *.is-revealed {
    opacity: 1;
    transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
    [data-reveal], [data-reveal-group] > * { opacity: 1; transform: none; transition: none; }
}

/* ===== Responsive ===== */
@media (max-width: 980px) {
    .hero-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 720px) {
    .nav-links, .nav-actions .btn { display: none; }
    .nav-toggle { display: block; }
    .site-header.nav-open .nav-links {
        display: flex; position: absolute; top: 100%; left: 0; right: 0;
        flex-direction: column; background: var(--black); padding: 20px 24px 30px; gap: 18px;
        border-top: 1px solid rgba(255,255,255,0.08);
    }
    .features-grid, .grid-4, .grid-3 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .cta-banner { flex-direction: column; align-items: flex-start; padding: 36px 26px; }
    .variant-toggle { flex-direction: column; }
    .filter-bar .btn { margin-left: 0; }
    .section { padding: 56px 0; }
}