/* ========================================
   BEK KİMYA — Corporate Design System
   Colors: Black, Red, Anthracite
   ======================================== */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

/* --- CSS Custom Properties --- */
:root {
    /* Brand Colors */
    --bk-black: #0a0a0a;
    --bk-black-light: #141414;
    --bk-anthracite: #2a2a2e;
    --bk-anthracite-light: #3a3a40;
    --bk-anthracite-mid: #4a4a52;
    --bk-red: #c41e2a;
    --bk-red-dark: #9c1820;
    --bk-red-light: #e63946;
    --bk-red-glow: rgba(196, 30, 42, 0.35);
    --bk-white: #f5f5f5;
    --bk-white-pure: #ffffff;
    --bk-gray-100: #e8e8e8;
    --bk-gray-200: #d0d0d0;
    --bk-gray-300: #b0b0b0;
    --bk-gray-400: #888888;
    --bk-gray-500: #666666;
    --bk-overlay: rgba(10, 10, 10, 0.85);

    /* Typography */
    --font-primary: 'Outfit', sans-serif;
    --font-secondary: 'Inter', sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-red: 0 4px 24px rgba(196, 30, 42, 0.25);

    /* Layout */
    --container-max: 1280px;
    --container-wide: 1440px;
    --header-height: 80px;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-secondary);
    font-weight: 400;
    line-height: 1.6;
    color: var(--bk-gray-200);
    background-color: var(--bk-black);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    color: var(--bk-white);
}

/* --- Container --- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.container-wide {
    max-width: var(--container-wide);
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    transition: background var(--transition-base), box-shadow var(--transition-base);
    background: rgba(10, 10, 10, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.site-header.scrolled {
    background: rgba(10, 10, 10, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
    border-bottom-color: rgba(196, 30, 42, 0.15);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    z-index: 1001;
}

.logo img {
    height: 44px;
    width: auto;
    object-fit: contain;
    transition: transform var(--transition-base);
}

.logo:hover img {
    transform: scale(1.03);
}

/* Desktop Navigation */
.nav-desktop {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav-desktop a {
    position: relative;
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--bk-gray-300);
    letter-spacing: 0.02em;
    transition: color var(--transition-fast);
}

.nav-desktop a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 24px;
    height: 2px;
    background: var(--bk-red);
    border-radius: 1px;
    transition: transform var(--transition-base);
}

.nav-desktop a:hover,
.nav-desktop a.active {
    color: var(--bk-white);
}

.nav-desktop a:hover::after,
.nav-desktop a.active::after {
    transform: translateX(-50%) scaleX(1);
}

/* Mobile Menu Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 28px;
    height: 28px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    padding: 0;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--bk-white);
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-fast);
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Navigation */
.nav-mobile {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(24px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.nav-mobile.open {
    opacity: 1;
    visibility: visible;
}

.nav-mobile-inner {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    gap: var(--space-lg);
}

.nav-mobile a {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--bk-gray-300);
    padding: var(--space-sm) var(--space-xl);
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.nav-mobile a:hover,
.nav-mobile a.active {
    color: var(--bk-red);
    transform: translateX(4px);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--bk-black);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
        rgba(10, 10, 10, 0.95) 0%,
        rgba(42, 42, 46, 0.7) 40%,
        rgba(196, 30, 42, 0.15) 70%,
        rgba(10, 10, 10, 0.9) 100%
    );
    z-index: 1;
}

.hero-bg::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to top, var(--bk-black), transparent);
    z-index: 2;
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 1;
}

.hero-particles span {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--bk-red);
    border-radius: 50%;
    opacity: 0;
    animation: particleFade 4s infinite;
}

@keyframes particleFade {
    0%, 100% { opacity: 0; transform: translateY(0) scale(1); }
    50% { opacity: 0.5; transform: translateY(-30px) scale(1.5); }
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 700px;
    padding-top: calc(var(--header-height) + var(--space-xl));
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: rgba(196, 30, 42, 0.12);
    border: 1px solid rgba(196, 30, 42, 0.25);
    border-radius: 100px;
    font-family: var(--font-primary);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--bk-red-light);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--space-xl);
}

.hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--bk-red);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.4); }
}

.hero h1,
.hero .hero-heading {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.hero h1 .text-red,
.hero .hero-heading .text-red {
    color: var(--bk-red);
}

.hero p {
    font-size: 1.1rem;
    color: var(--bk-gray-400);
    margin-bottom: var(--space-2xl);
    max-width: 520px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 14px 32px;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: var(--bk-red);
    color: var(--bk-white-pure);
    box-shadow: var(--shadow-red);
}

.btn-primary:hover {
    background: var(--bk-red-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 32px rgba(196, 30, 42, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--bk-white);
    border: 1px solid var(--bk-anthracite-light);
}

.btn-outline:hover {
    border-color: var(--bk-red);
    color: var(--bk-red-light);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.8rem;
}

/* ========================================
   SECTION STYLES
   ======================================== */
.section {
    padding: var(--space-4xl) 0;
    position: relative;
}

.section-dark {
    background: var(--bk-black-light);
}

.section-anthracite {
    background: var(--bk-anthracite);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-label {
    display: inline-block;
    font-family: var(--font-primary);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--bk-red);
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 800;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--bk-gray-400);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Red accent line */
.accent-line {
    display: block;
    width: 48px;
    height: 3px;
    background: var(--bk-red);
    border-radius: 2px;
    margin: var(--space-md) auto;
}

/* ========================================
   BRAND CARDS (Homepage)
   ======================================== */
.brands-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.brand-card {
    position: relative;
    background: linear-gradient(145deg, var(--bk-anthracite), var(--bk-black-light));
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
    overflow: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
}

.brand-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--bk-red), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.brand-card:hover {
    transform: translateY(-6px);
    border-color: rgba(196, 30, 42, 0.2);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(196, 30, 42, 0.08);
}

.brand-card:hover::before {
    opacity: 1;
}

.brand-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.brand-card p {
    font-size: 0.85rem;
    color: var(--bk-gray-400);
}

.brand-card .brand-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(196, 30, 42, 0.1);
    border-radius: var(--radius-lg);
    font-size: 1.5rem;
    color: var(--bk-red);
}

/* ========================================
   PRODUCT CARDS
   ======================================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.product-card {
    position: relative;
    background: linear-gradient(160deg, var(--bk-anthracite), var(--bk-black-light));
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.product-card:hover {
    transform: translateY(-4px);
    border-color: rgba(196, 30, 42, 0.2);
    box-shadow: var(--shadow-lg);
}

.product-card-image {
    position: relative;
    aspect-ratio: 1 / 1;
    background: linear-gradient(135deg, #1a1a1e, #222226);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.product-card-image img {
    width: 80%;
    height: 80%;
    object-fit: contain;
    transition: transform var(--transition-slow);
}

.product-card:hover .product-card-image img {
    transform: scale(1.08);
}

.product-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(196, 30, 42, 0.08);
    opacity: 0;
    transition: opacity var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-card:hover .product-card-overlay {
    opacity: 1;
}

.product-card-body {
    padding: var(--space-lg);
}

.product-card-brand {
    font-family: var(--font-primary);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--bk-red);
    margin-bottom: var(--space-xs);
}

.product-card-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--bk-white);
    line-height: 1.4;
    margin-bottom: var(--space-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card-desc {
    font-size: 0.8rem;
    color: var(--bk-gray-400);
    margin-bottom: var(--space-md);
}

.product-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.product-card-link {
    font-family: var(--font-primary);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--bk-red);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    transition: gap var(--transition-fast), color var(--transition-fast);
}

.product-card-link:hover {
    gap: var(--space-sm);
    color: var(--bk-red-light);
}

.product-card-link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.product-card-link:hover svg {
    transform: translateX(2px);
}

/* ========================================
   CATEGORY FILTER TABS
   ======================================== */
.filter-tabs {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: var(--space-2xl);
}

.filter-tab {
    padding: 10px 24px;
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--bk-gray-400);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 100px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-tab:hover {
    color: var(--bk-white);
    border-color: rgba(196, 30, 42, 0.3);
}

.filter-tab.active {
    background: var(--bk-red);
    color: var(--bk-white-pure);
    border-color: var(--bk-red);
    box-shadow: var(--shadow-red);
}

/* ========================================
   PRODUCT DETAIL PAGE
   ======================================== */
.product-detail {
    padding-top: calc(var(--header-height) + var(--space-3xl));
    padding-bottom: var(--space-4xl);
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.product-detail-image {
    position: relative;
    background: linear-gradient(135deg, var(--bk-anthracite), var(--bk-black-light));
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-2xl);
    padding: var(--space-3xl);
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1 / 1;
    overflow: hidden;
}

.product-detail-image img {
    max-width: 75%;
    max-height: 75%;
    object-fit: contain;
}

.product-detail-info {
    padding-top: var(--space-xl);
}

.product-detail-brand {
    font-family: var(--font-primary);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--bk-red);
    margin-bottom: var(--space-md);
}

.product-detail-title {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
}

.product-detail-desc {
    font-size: 1rem;
    color: var(--bk-gray-300);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
}

.product-specs {
    margin-bottom: var(--space-xl);
}

.product-spec-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-md) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.product-spec-label {
    font-size: 0.85rem;
    color: var(--bk-gray-400);
    font-weight: 500;
}

.product-spec-value {
    font-size: 0.85rem;
    color: var(--bk-white);
    font-weight: 600;
}

/* ========================================
   ABOUT SECTION
   ======================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--bk-anthracite), var(--bk-black-light));
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(196, 30, 42, 0.1), transparent 60%);
}

.about-content h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    margin-bottom: var(--space-lg);
}

.about-content p {
    font-size: 0.95rem;
    color: var(--bk-gray-300);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

.stats-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.stat-item {
    text-align: center;
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
}

.stat-number {
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 800;
    color: var(--bk-red);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--bk-gray-400);
    margin-top: var(--space-xs);
}

/* ========================================
   CONTACT SECTION
   ======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
}

.contact-info-card {
    background: linear-gradient(145deg, var(--bk-anthracite), var(--bk-black-light));
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
}

.contact-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-lg) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(196, 30, 42, 0.1);
    border-radius: var(--radius-md);
    color: var(--bk-red);
}

.contact-icon svg {
    width: 20px;
    height: 20px;
}

.contact-item-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--bk-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-xs);
}

.contact-item-value {
    font-size: 1rem;
    color: var(--bk-white);
    font-weight: 500;
}

.contact-form {
    background: linear-gradient(145deg, var(--bk-anthracite), var(--bk-black-light));
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-family: var(--font-primary);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--bk-gray-300);
    margin-bottom: var(--space-sm);
    letter-spacing: 0.03em;
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    background: rgba(10, 10, 10, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    color: var(--bk-white);
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

.form-control:focus {
    border-color: var(--bk-red);
    box-shadow: 0 0 0 3px rgba(196, 30, 42, 0.1);
}

.form-control::placeholder {
    color: var(--bk-gray-500);
}

textarea.form-control {
    min-height: 140px;
    resize: vertical;
}

/* ========================================
   FOOTER
   ======================================== */
.site-footer {
    background: var(--bk-black-light);
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-xl) var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

/* Yasal sayfa sütunu varsa beşinci sütun açılır; yoksa dörtlü yerleşim korunur.
   Yalnızca geniş ekranlarda: dar ekranlardaki tek/iki sütun kuralları daha düşük
   özgüllükte olduğu için bu kural medya sorgusuna alınmıştır. */
@media (min-width: 1025px) {
    .footer-grid:has(> :nth-child(5)) {
        grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr;
    }
}

.footer-brand p {
    font-size: 0.85rem;
    color: var(--bk-gray-400);
    line-height: 1.7;
    margin-top: var(--space-md);
    max-width: 320px;
}

.footer-title {
    font-family: var(--font-primary);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--bk-white);
    margin-bottom: var(--space-lg);
}

.footer-links a {
    display: block;
    font-size: 0.85rem;
    color: var(--bk-gray-400);
    padding: var(--space-xs) 0;
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer-links a:hover {
    color: var(--bk-red);
    transform: translateX(4px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--bk-gray-500);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-md);
    color: var(--bk-gray-400);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--bk-red);
    border-color: var(--bk-red);
    color: var(--bk-white-pure);
    transform: translateY(-2px);
}

/* ========================================
   PAGE HEADER (Inner Pages)
   ======================================== */
.page-header {
    padding-top: calc(var(--header-height) + var(--space-4xl));
    padding-bottom: var(--space-3xl);
    background: linear-gradient(180deg, var(--bk-black-light), var(--bk-black));
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(196, 30, 42, 0.08), transparent 70%);
    pointer-events: none;
}

.page-header h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--space-md);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
    color: var(--bk-gray-400);
}

.breadcrumb a {
    color: var(--bk-gray-400);
    transition: color var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--bk-red);
}

.breadcrumb .separator {
    color: var(--bk-gray-500);
}

/* ========================================
   SCROLL ANIMATIONS
   ======================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* ========================================
   TESTIMONIALS
   ======================================== */
.testimonials-slider {
    display: flex;
    gap: var(--space-xl);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: var(--space-md) 0;
}

.testimonials-slider::-webkit-scrollbar {
    display: none;
}

.testimonial-card {
    flex: 0 0 380px;
    scroll-snap-align: start;
    background: linear-gradient(145deg, var(--bk-anthracite), var(--bk-black-light));
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 16px;
    left: 24px;
    font-size: 4rem;
    font-family: var(--font-primary);
    color: rgba(196, 30, 42, 0.15);
    line-height: 1;
}

.testimonial-text {
    font-size: 0.9rem;
    color: var(--bk-gray-300);
    line-height: 1.7;
    margin-top: var(--space-lg);
    font-style: italic;
}

.testimonial-stars {
    display: flex;
    gap: 2px;
    margin-top: var(--space-md);
    color: var(--bk-red);
    font-size: 0.9rem;
}

/* ========================================
   MAP EMBED
   ======================================== */
.map-container {
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-top: var(--space-2xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
    height: 400px;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
    filter: grayscale(100%) invert(92%) contrast(83%);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1024px) {
    .brands-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid,
    .contact-grid,
    .product-detail-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 64px;
    }

    .nav-desktop {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-mobile {
        display: block;
    }

    .hero-video {
        display: none;
    }

    .hero h1,
.hero .hero-heading {
        font-size: 2rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .brands-grid {
        grid-template-columns: 1fr;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: var(--space-md);
    }

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-md);
    }

    .stats-grid-4 {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }

    .section {
        padding: var(--space-3xl) 0;
    }

    .container {
        padding: 0 var(--space-md);
    }

    .filter-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        scrollbar-width: none;
        -ms-overflow-style: none;
        padding-bottom: var(--space-sm);
    }

    .filter-tabs::-webkit-scrollbar {
        display: none;
    }

    .filter-tab {
        white-space: nowrap;
        flex-shrink: 0;
    }

    .testimonial-card {
        flex: 0 0 300px;
    }

    .page-header {
        padding-top: calc(var(--header-height) + var(--space-2xl));
        padding-bottom: var(--space-xl);
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .hero h1,
.hero .hero-heading {
        font-size: 1.8rem;
    }

    .product-detail-image {
        aspect-ratio: auto;
        min-height: 300px;
    }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.text-red { color: var(--bk-red); }
.text-white { color: var(--bk-white); }
.text-gray { color: var(--bk-gray-400); }
.text-center { text-align: center; }
.mt-1 { margin-top: var(--space-md); }
.mt-2 { margin-top: var(--space-xl); }
.mt-3 { margin-top: var(--space-2xl); }
.mb-1 { margin-bottom: var(--space-md); }
.mb-2 { margin-bottom: var(--space-xl); }
.mb-3 { margin-bottom: var(--space-2xl); }

/* ========================================
   Admin-managed content: hero slider, featured
   carousel, rich text, gallery and filters
   ======================================== */

/* ---------- Hero slider ---------- */

.hero-slider {
  position: relative;
}

.hero-slide {
  position: absolute;
  width: 100%;
  min-height: inherit;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.7s ease;
  display: flex;
  align-items: center;
}

.hero-slide.is-active {
  flex: 1 0 100%;
  opacity: 1;
  visibility: visible;
  position: relative;
  z-index: 1;
}

.hero-image,
.hero-mobile-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-mobile-image {
  display: none;
}

.hero-rich {
  margin-bottom: var(--space-lg);
  color: var(--bk-gray-300);
}

.hero-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(15, 15, 17, 0.45);
  color: #fff;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.hero-nav:hover {
  background: var(--bk-red);
  border-color: var(--bk-red);
}

.hero-nav-prev { left: 1.25rem; }
.hero-nav-next { right: 1.25rem; }

.hero-dots {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: 0.5rem;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 0;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  padding: 0;
}

.hero-dot.is-active {
  background: var(--bk-red);
  width: 26px;
  border-radius: 999px;
}

/* ---------- Featured products carousel ---------- */

.featured-carousel {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.featured-track {
  display: flex;
  gap: var(--space-lg);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding: 0 1rem;
  padding: 0.5rem 0.25rem 1rem;
  flex: 1;
  scrollbar-width: thin;
}

.featured-track .product-card {
  flex: 0 0 clamp(240px, 26vw, 300px);
  scroll-snap-align: start;
}

.featured-nav {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--bk-gray-700, rgba(255, 255, 255, 0.2));
  background: transparent;
  color: inherit;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease, opacity 0.2s ease;
}

.featured-nav:hover:not(:disabled) {
  background: var(--bk-red);
  border-color: var(--bk-red);
  color: #fff;
}

.featured-nav:disabled {
  opacity: 0.25;
  cursor: default;
}

/* ---------- Rich text from the editor ---------- */

.rich-content {
  color: var(--bk-gray-300);
  line-height: 1.85;
}

.rich-content > * + * { margin-top: 1rem; }

.rich-content h2,
.rich-content h3,
.rich-content h4 {
  font-family: var(--font-primary, 'Outfit', sans-serif);
  color: var(--bk-white, #fff);
  line-height: 1.3;
  margin-top: 1.75rem;
}

.rich-content h2 { font-size: 1.5rem; }
.rich-content h3 { font-size: 1.2rem; }
.rich-content h4 { font-size: 1.05rem; }

.rich-content a {
  color: var(--bk-red);
  text-decoration: underline;
}

.rich-content ul,
.rich-content ol {
  padding-left: 1.4rem;
  /* The global reset removes list markers site-wide; editor content needs them. */
  list-style: revert;
}

.rich-content ul { list-style-type: disc; }
.rich-content ol { list-style-type: decimal; }
.rich-content li::marker { color: var(--bk-red); }

/* The editor leaves empty paragraphs behind when content is moved around; they
   would otherwise punch large gaps into the page. */
.rich-content p:empty { display: none; }

.rich-content li + li { margin-top: 0.35rem; }

.rich-content blockquote {
  border-left: 3px solid var(--bk-red);
  padding-left: 1rem;
  color: var(--bk-gray-400);
  font-style: italic;
}

.rich-content img,
.rich-content video {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md, 10px);
  display: block;
}

.rich-content iframe {
  width: 100%;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  border: 0;
  border-radius: var(--radius-md, 10px);
  background: rgba(255, 255, 255, 0.04);
}

/* TipTap wraps embeds in this element; keep it from setting its own width. */
.rich-content [data-youtube-video] {
  width: 100%;
  max-width: 100%;
}

.rich-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  table-layout: fixed;
}

.rich-content table p { margin: 0; }

.rich-content th,
.rich-content td {
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.55rem 0.75rem;
  text-align: left;
}

.rich-content th {
  background: rgba(255, 255, 255, 0.05);
  color: var(--bk-white, #fff);
  font-weight: 600;
}

/* In the admin editor the surface is light, so the same markup needs dark text. */
.admin-editor-content.rich-content { color: var(--admin-text); }
.admin-editor-content.rich-content h2,
.admin-editor-content.rich-content h3,
.admin-editor-content.rich-content h4 { color: var(--admin-text); }
.admin-editor-content.rich-content th,
.admin-editor-content.rich-content td { border-color: var(--admin-border); }
.admin-editor-content.rich-content th { background: var(--admin-bg); }
.admin-editor-content.rich-content blockquote { color: var(--admin-text-muted); }
.admin-editor-content .ProseMirror-selectednode {
  outline: 2px solid var(--admin-red);
  outline-offset: 2px;
}

/* ---------- Product gallery ---------- */

.product-gallery-main {
  width: 100%;
  border-radius: var(--radius-md, 10px);
}

.product-gallery-thumbs {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

.product-gallery-thumb {
  width: 68px;
  height: 68px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  overflow: hidden;
}

.product-gallery-thumb.is-active { border-color: var(--bk-red); }

.product-gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-detail-category {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--bk-gray-400);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  padding: 0.2rem 0.7rem;
  margin-bottom: var(--space-md);
}

/* ---------- Product filters ---------- */

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}

.filter-group-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--bk-gray-400);
  min-width: 70px;
}

.category-intro {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
  margin: var(--space-lg) 0;
  padding: var(--space-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md, 10px);
  background: rgba(255, 255, 255, 0.03);
}

.category-intro img {
  width: 200px;
  border-radius: 8px;
  object-fit: cover;
  flex: 0 0 auto;
}

.category-intro h2 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

/* ---------- Brand cards, stats, testimonials ---------- */

.brand-logo {
  max-width: 120px;
  max-height: 52px;
  object-fit: contain;
}

.stat-icon {
  color: var(--bk-red);
  margin-bottom: 0.35rem;
  display: flex;
  justify-content: center;
}

.testimonial-author {
  font-size: 0.82rem;
  color: var(--bk-gray-400);
  margin-bottom: 0.35rem;
}

.about-image-inner {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #1a1a1e 0%, #2a2a2e 40%, rgba(196, 30, 42, 0.15) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 2rem;
}

.about-image-inner img {
  width: 60%;
  height: auto;
  object-fit: contain;
  opacity: 0.6;
}

.about-image-with-year img { width: 50%; opacity: 0.5; }

.about-year { text-align: center; }

.about-year-value {
  font-family: var(--font-primary, 'Outfit', sans-serif);
  font-size: 3rem;
  font-weight: 800;
  color: var(--bk-red);
}

.about-year-label {
  font-size: 0.85rem;
  color: var(--bk-gray-400);
}

.about-mission {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  font-size: 1.05rem;
}

@media (max-width: 768px) {
  /* A slide with its own mobile image uses that instead of the wide image or the
     video; a slide without one keeps showing its desktop media, because an empty
     black hero would be worse than a cropped picture. */
  .hero-slide.has-mobile-media .hero-mobile-image { display: block; }
  .hero-slide.has-mobile-media .hero-video,
  .hero-slide.has-mobile-media .hero-image:not(.hero-mobile-image) { display: none; }

  .hero-nav { display: none; }

  .featured-nav { display: none; }
  .featured-track .product-card { flex-basis: 78vw; }

  .category-intro { flex-direction: column; }
  .category-intro img { width: 100%; max-height: 200px; }

  .filter-group-label { min-width: auto; width: 100%; }
}

@media (max-width: 640px) {
  .rich-content table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}

/* ---------- Yasal sayfalar ve KVKK onayı ---------- */

.legal-content {
  max-width: 820px;
  margin: 0 auto;
}

.legal-content .rich-content h2 {
  font-size: 1.3rem;
  margin-top: 2rem;
}

.legal-content .rich-content h3 {
  font-size: 1.1rem;
}

.form-consent label {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--bk-gray-300);
  line-height: 1.6;
  cursor: pointer;
}

.form-consent input[type='checkbox'] {
  margin-top: 0.25rem;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  accent-color: var(--bk-red);
}

.form-consent a {
  color: var(--bk-red);
  text-decoration: underline;
}

/* ========================================
   Katalog: arama kutusu ve sayfalama
   ======================================== */

.product-search {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.product-search-input {
  flex: 1 1 260px;
  min-width: 0;
  padding: 0.85rem 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 100px;
  font-family: var(--font-primary);
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.03);
  color: var(--bk-white);
}

.product-search-input::placeholder { color: var(--bk-gray-400); }

.product-search-input:focus {
  outline: none;
  border-color: var(--bk-red);
  background: rgba(255, 255, 255, 0.05);
}

.product-search-clear {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 100px;
  padding: 10px 24px;
  font-family: var(--font-primary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--bk-gray-400);
  transition: all var(--transition-fast);
}

.product-search-clear:hover {
  border-color: var(--bk-red);
  color: var(--bk-white);
}

.product-result-count {
  font-size: 0.85rem;
  opacity: 0.65;
  margin: 0 0 1rem;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2.5rem;
}

.pagination-pages {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.pagination-btn,
.pagination-page {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 10px 18px;
  font-family: var(--font-primary);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--bk-gray-400);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pagination-page { min-width: 40px; }

.pagination-btn:hover:not(:disabled),
.pagination-page:hover:not(.active) {
  border-color: var(--bk-red);
  color: var(--bk-white);
}

.pagination-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination-page.active {
  background: var(--bk-red);
  border-color: var(--bk-red);
  color: var(--bk-white);
}

.pagination-gap {
  padding: 0.55rem 0.2rem;
  opacity: 0.5;
}

.pagination-info {
  font-size: 0.8rem;
  opacity: 0.6;
  width: 100%;
  text-align: center;
}

/* Galeride video */
.product-gallery-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #000;
}

.product-gallery-thumb-video {
  position: relative;
}

.product-gallery-thumb-video::after {
  content: '▶';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.9rem;
  background: rgba(0, 0, 0, 0.35);
  pointer-events: none;
}

@media (max-width: 640px) {
  .product-search { flex-direction: column; align-items: stretch; }
  .product-search-clear { width: 100%; }
}