/* ==========================================================================
   ALARGA DENİZ KÜREĞİ - PREMIUM DESIGN SYSTEM
   ========================================================================== */

/* 1. VARIABLES & TOKENS */
:root {
    /* Color Palette */
    --color-bg-dark: #060a17;       /* Midnight Blue */
    --color-bg-light: #0d1527;      /* Lighter Navy for sections */
    --color-primary: #00b4d8;       /* Ocean Teal */
    --color-primary-glow: rgba(0, 180, 216, 0.4);
    --color-accent: #dfc382;        /* Champagne Gold */
    --color-accent-glow: rgba(223, 195, 130, 0.3);
    --color-text-white: #ffffff;
    --color-text-gray: #a9b3c5;
    --color-text-muted: #626e82;
    --color-glass: rgba(13, 21, 39, 0.65);
    --color-glass-border: rgba(255, 255, 255, 0.07);
    --color-glass-highlight: rgba(255, 255, 255, 0.12);
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing & Layout */
    --container-max-width: 1200px;
    --header-height: 80px;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* 2. BASE & GENERAL STYLES */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
}

body {
    background-color: var(--color-bg-dark);
    color: var(--color-text-gray);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--color-bg-light);
    border: 2px solid var(--color-bg-dark);
    border-radius: var(--border-radius-sm);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Typography elements */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-text-white);
    font-weight: 700;
    line-height: 1.2;
}

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

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

ul {
    list-style: none;
}

button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    background: none;
    border: none;
    outline: none;
}

/* Layout Utilities */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

.section {
    padding: 8rem 0;
    position: relative;
    z-index: 2;
}

.section-bg-light {
    background-color: var(--color-bg-light);
}

/* Global Section Header */
.section-header {
    max-width: 700px;
    margin-bottom: 4rem;
}

.section-tag {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--color-accent);
    text-transform: uppercase;
    margin-bottom: 1rem;
    display: block;
    font-family: var(--font-heading);
}

.section-title {
    font-size: 2.75rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-text-white) 30%, var(--color-text-gray) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--color-text-gray);
}

/* Glow Effect Backdrops */
.glow-effect {
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--color-primary-glow) 0%, rgba(6,10,23,0) 70%);
    border-radius: 50%;
    z-index: 1;
    pointer-events: none;
    opacity: 0.6;
}

/* 3. BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.25rem;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, #0077b6 100%);
    color: var(--color-text-white);
    box-shadow: 0 8px 20px rgba(0, 180, 216, 0.25);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(0, 180, 216, 0.4);
}

.btn-secondary {
    border: 1.5px solid var(--color-accent);
    color: var(--color-accent);
    background: transparent;
}

.btn-secondary:hover {
    background: var(--color-accent);
    color: var(--color-bg-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px var(--color-accent-glow);
}

.btn-text {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    color: var(--color-accent);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    transition: var(--transition-fast);
}

.btn-text i {
    transition: transform 0.3s;
}

.btn-text:hover {
    color: var(--color-text-white);
}

.btn-text:hover i {
    transform: translateX(5px);
}

/* 4. HEADER NAVIGATION */
.header {
    height: var(--header-height);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: background var(--transition-smooth), backdrop-filter var(--transition-smooth), border var(--transition-smooth);
    border-bottom: 1px solid transparent;
}

.header-scrolled {
    background: var(--color-glass);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-glass-border);
    height: 70px;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-brand {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-text-white);
    letter-spacing: 0.08em;
    line-height: 1;
}

.logo-sub {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.25em;
    margin-top: 0.2rem;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-gray);
    letter-spacing: 0.03em;
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transition: var(--transition-fast);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* Language Button */
.lang-btn {
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--color-glass-border);
    border-radius: var(--border-radius-sm);
    color: var(--color-text-gray);
    background: rgba(255, 255, 255, 0.03);
}

.lang-btn:hover {
    color: var(--color-text-white);
    border-color: var(--color-accent);
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    cursor: pointer;
    z-index: 1001;
}

.nav-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--color-text-white);
    transition: var(--transition-smooth);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--color-bg-dark);
    z-index: 999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: right var(--transition-smooth);
}

.mobile-menu-overlay.open {
    right: 0;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.mobile-nav-link {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--color-text-gray);
}

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

/* Active hamburger icon transform */
.nav-toggle.open .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.nav-toggle.open .bar:nth-child(2) {
    opacity: 0;
}
.nav-toggle.open .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* 5. HERO SECTION WITH MAGIC SCROLL ZOOM */
.hero {
    height: 100vh;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    z-index: 2;
}

.hero-bg-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

/* This image zooms and rotates dynamically via GSAP ScrollTrigger */
.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.15); /* baseline scale */
    filter: brightness(0.65) contrast(1.1);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(6, 10, 23, 0.1) 0%, rgba(6, 10, 23, 0.9) 85%);
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
    max-width: 850px;
    padding-top: var(--header-height);
}

.hero-subtitle {
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.3em;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
}

.hero-title span {
    display: block;
}

.hero-title .accent-text {
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--color-text-gray);
    margin-bottom: 3rem;
    max-width: 650px;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
}

/* Scroll indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.8;
}

.scroll-text {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.scroll-mouse {
    width: 20px;
    height: 35px;
    border: 2px solid var(--color-text-muted);
    border-radius: 10px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background-color: var(--color-primary);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel-anim 1.8s infinite;
}

@keyframes scroll-wheel-anim {
    0% {
        top: 6px;
        opacity: 1;
    }
    50% {
        top: 15px;
        opacity: 0.3;
    }
    100% {
        top: 6px;
        opacity: 1;
    }
}

/* 6. STATS BAR SECTION */
.stats-bar-section {
    padding: 3rem 0;
    background-color: var(--color-bg-light);
    border-top: 1px solid var(--color-glass-border);
    border-bottom: 1px solid var(--color-glass-border);
    position: relative;
    z-index: 10;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.stat-item {
    text-align: center;
    border-right: 1px solid var(--color-glass-border);
}

.stat-item:last-child {
    border-right: none;
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

/* 7. INTRO SECTION (About Teaser) */
.intro-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 5rem;
    align-items: center;
}

.intro-content .intro-desc {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.intro-content .intro-desc-small {
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
}

.intro-graphics {
    position: relative;
    width: 100%;
}

.intro-img-wrapper {
    position: relative;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--color-glass-border);
}

.intro-img-wrapper::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(t, rgba(6, 10, 23, 0.7) 0%, rgba(6, 10, 23, 0) 50%);
}

.intro-img {
    width: 100%;
    height: 450px;
    object-fit: cover;
    transition: transform var(--transition-smooth);
}

.intro-img-wrapper:hover .intro-img {
    transform: scale(1.03);
}

.intro-badge {
    position: absolute;
    bottom: -2rem;
    right: -2rem;
    background: var(--color-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--color-glass-border);
    padding: 2rem;
    border-radius: var(--border-radius-md);
    max-width: 220px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
}

.badge-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--color-accent);
    font-weight: 800;
    display: block;
    margin-bottom: 0.25rem;
}

.badge-text {
    font-size: 0.8rem;
    line-height: 1.4;
    color: var(--color-text-white);
}

/* 8. FEATURED PRODUCTS (CARDS SYSTEM) */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

/* Glassmorphic Product Card */
.product-card {
    background: var(--color-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary-glow);
    box-shadow: 0 15px 35px rgba(0, 180, 216, 0.15);
}

.product-card-img-wrapper {
    position: relative;
    overflow: hidden;
    height: 250px;
    background-color: var(--color-bg-dark);
}

.product-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-smooth);
}

.product-card:hover .product-card-img {
    transform: scale(1.05);
}

/* Hover Overlay for product cards */
.product-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(6,10,23,0.85) 0%, rgba(6,10,23,0.1) 60%);
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

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

.product-card-tag {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0, 180, 216, 0.15);
    border: 1px solid var(--color-primary);
    color: var(--color-text-white);
    padding: 0.35rem 0.8rem;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 600;
    backdrop-filter: blur(5px);
}

.product-card-body {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-card-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.product-card-type {
    font-size: 0.8rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.25rem;
    font-weight: 600;
}

.product-card-desc {
    color: var(--color-text-gray);
    font-size: 0.95rem;
    margin-bottom: 2rem;
    flex-grow: 1;
}

/* 9. FACTORY TEASER SECTION */
.production-teaser-section {
    position: relative;
    padding: 10rem 0;
    background-color: var(--color-bg-dark);
}

.production-teaser-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 6rem;
    align-items: center;
}

.production-teaser-graphics {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
    border: 1px solid var(--color-glass-border);
}

.production-teaser-graphics::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, transparent 30%, rgba(6, 10, 23, 0.6) 100%);
}

.production-teaser-img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: transform 1.2s;
}

.production-teaser-grid:hover .production-teaser-img {
    transform: scale(1.05);
}

/* 10. DYNAMIC CALL TO ACTION (CTA) FOOTER SECTION */
.cta-footer-section {
    position: relative;
    padding: 7rem 0;
    overflow: hidden;
    text-align: center;
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-bg-dark) 100%);
    border-top: 1px solid var(--color-glass-border);
}

.cta-footer-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.cta-footer-title {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.cta-footer-desc {
    font-size: 1.15rem;
    color: var(--color-text-gray);
    margin-bottom: 3rem;
}

/* 11. ABOUT PAGE STYLES */
.about-hero {
    padding: 12rem 0 6rem 0;
}

.about-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.about-intro-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-gray);
    margin-bottom: 1.5rem;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.value-card {
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    padding: 2.5rem;
    border-radius: var(--border-radius-md);
    transition: transform var(--transition-smooth), border-color var(--transition-smooth);
}

.value-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent-glow);
}

.value-icon {
    font-size: 2.5rem;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
}

.value-card-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.value-card-desc {
    font-size: 0.95rem;
    color: var(--color-text-gray);
}

/* 12. PRODUCTION PAGE TIMELINE */
.production-hero {
    padding: 12rem 0 6rem 0;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 4rem auto 0 auto;
}

/* Central vertical timeline line */
.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-accent), transparent);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 6rem;
    position: relative;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-content {
    width: 44%;
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--border-radius-md);
    padding: 2.5rem;
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

/* Left-right positions */
.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

/* Center circle indicator on line */
.timeline-dot {
    position: absolute;
    left: 50%;
    top: 30px;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-bg-dark);
    border: 4px solid var(--color-primary);
    z-index: 10;
}

.timeline-item:nth-child(even) .timeline-dot {
    border-color: var(--color-accent);
}

.timeline-number {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.05);
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    line-height: 1;
}

.timeline-title {
    font-size: 1.35rem;
    margin-bottom: 1rem;
    color: var(--color-text-white);
    padding-right: 2rem;
}

.timeline-desc {
    font-size: 0.95rem;
    color: var(--color-text-gray);
    line-height: 1.6;
}

/* 13. PRODUCT DETAIL PAGE STYLES */
.product-detail-hero {
    padding: 12rem 0 6rem 0;
    position: relative;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 5rem;
}

.product-detail-gallery {
    position: relative;
}

.product-detail-main-img {
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-glass-border);
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
    width: 100%;
    height: 500px;
    object-fit: cover;
}

/* Key Features list in details */
.product-detail-features {
    margin-top: 3rem;
}

.detail-features-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-glass-border);
    padding-bottom: 0.5rem;
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
}

.feature-item i {
    color: var(--color-primary);
    margin-top: 0.25rem;
}

.feature-text {
    font-size: 0.95rem;
}

/* Sidebar with Technical Specs */
.product-detail-sidebar {
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    height: fit-content;
}

.product-detail-name {
    font-size: 2.25rem;
    margin-bottom: 0.25rem;
}

.product-detail-type {
    font-size: 0.9rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.product-detail-desc {
    font-size: 0.95rem;
    color: var(--color-text-gray);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.spec-list {
    margin-bottom: 2.5rem;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-label {
    font-weight: 600;
    color: var(--color-text-muted);
}

.spec-value {
    color: var(--color-text-white);
    text-align: right;
    max-width: 60%;
}

.product-detail-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.product-detail-actions .btn {
    width: 100%;
}

/* 14. CONTACT PAGE STYLES */
.contact-hero {
    padding: 12rem 0 6rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.90fr 1.10fr;
    gap: 5rem;
}

.contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-detail-card {
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--border-radius-md);
    padding: 2rem;
}

.contact-detail-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.contact-detail-header i {
    font-size: 1.5rem;
    color: var(--color-primary);
}

.contact-detail-title {
    font-size: 1.15rem;
}

.contact-detail-text {
    font-size: 0.95rem;
    color: var(--color-text-gray);
    line-height: 1.6;
}

.contact-phone-link {
    color: var(--color-accent);
    font-weight: 700;
    font-size: 1.1rem;
}

.contact-phone-link:hover {
    color: var(--color-text-white);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--border-radius-lg);
    padding: 3.5rem;
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
}

.contact-form-title {
    font-size: 1.75rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--color-glass-border);
    padding-bottom: 1rem;
}

.form-group-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-control {
    width: 100%;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--border-radius-sm);
    padding: 1rem;
    color: var(--color-text-white);
    transition: var(--transition-fast);
}

.form-control:focus {
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 10px rgba(0, 180, 216, 0.1);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

/* Form alert box */
.form-alert {
    padding: 1rem;
    border-radius: var(--border-radius-sm);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    display: none;
}

.form-alert-success {
    background-color: rgba(46, 204, 113, 0.15);
    border: 1px solid #2ecc71;
    color: #2ecc71;
}

.form-alert-error {
    background-color: rgba(231, 76, 60, 0.15);
    border: 1px solid #e74c3c;
    color: #e74c3c;
}

/* Visual Interactive SVG Map representation */
.map-section {
    padding: 6rem 0;
    position: relative;
}

.map-container {
    height: 450px;
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--border-radius-lg);
    position: relative;
    overflow: hidden;
}

.svg-map-graphic {
    width: 100%;
    height: 100%;
    opacity: 0.45;
}

.map-pin {
    position: absolute;
    cursor: pointer;
    z-index: 10;
}

.map-pin-pulse {
    position: absolute;
    width: 24px;
    height: 24px;
    background: var(--color-primary-glow);
    border-radius: 50%;
    animation: pin-pulse 1.8s infinite;
}

.map-pin-pulse-gold {
    background: var(--color-accent-glow);
}

.map-pin-dot {
    position: absolute;
    top: 6px;
    left: 6px;
    width: 12px;
    height: 12px;
    background: var(--color-primary);
    border-radius: 50%;
    border: 2px solid var(--color-text-white);
}

.map-pin-dot-gold {
    background: var(--color-accent);
}

/* Pins placement logic */
.pin-istanbul {
    top: 45%;
    left: 32%;
}

.pin-corlu {
    top: 42%;
    left: 20%;
}

@keyframes pin-pulse {
    0% {
        transform: scale(0.5);
        opacity: 1;
    }
    100% {
        transform: scale(2.5);
        opacity: 0;
    }
}

.map-tooltip {
    position: absolute;
    background: var(--color-bg-light);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--border-radius-sm);
    padding: 1rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.4);
    pointer-events: none;
    z-index: 20;
    width: 220px;
    display: none;
}

.tooltip-tag {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.tooltip-title {
    font-size: 0.95rem;
    margin: 0.25rem 0;
    color: var(--color-text-white);
}

.tooltip-desc {
    font-size: 0.8rem;
    color: var(--color-text-gray);
}

/* 15. FOOTER DESIGN */
.footer {
    background-color: #03050b;
    border-top: 1px solid var(--color-glass-border);
    padding: 5rem 0 0 0;
    position: relative;
    z-index: 10;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 5rem;
    padding-bottom: 5rem;
}

.footer-brand-section .logo-footer {
    margin-bottom: 1.5rem;
}

.footer-about-text {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-text-gray);
    margin-bottom: 2rem;
    max-width: 380px;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--color-glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-gray);
    transition: var(--transition-fast);
}

.social-icon:hover {
    color: var(--color-bg-dark);
    background: var(--color-accent);
    border-color: var(--color-accent);
    transform: translateY(-3px);
}

.footer-title {
    font-size: 1.15rem;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--color-primary);
}

.footer-links li {
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--color-text-gray);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--color-text-white);
    padding-left: 5px;
}

.footer-contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}

.footer-contact-item .contact-icon {
    color: var(--color-primary);
    margin-top: 0.3rem;
}

.footer-contact-item strong {
    color: var(--color-text-white);
    font-size: 0.9rem;
    display: block;
    margin-bottom: 0.25rem;
}

.footer-contact-item p {
    font-size: 0.9rem;
    color: var(--color-text-gray);
}

.footer-phone {
    font-weight: 700;
    color: var(--color-accent);
}

.footer-phone:hover {
    color: var(--color-text-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    padding: 2rem 0;
}

.footer-bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

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

/* 16. RESPONSIVE BREAKPOINTS (MEDIA QUERIES) */

@media (max-width: 1024px) {
    html {
        font-size: 15px;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .intro-grid, .production-teaser-grid, .footer-top, .about-intro-grid, .product-detail-grid, .contact-grid {
        gap: 3rem;
    }
    
    .timeline::before {
        left: 3rem;
    }
    
    .timeline-item {
        flex-direction: row !important;
        margin-bottom: 4rem;
    }
    
    .timeline-content {
        width: 85%;
        margin-left: 6rem;
    }
    
    .timeline-dot {
        left: 3rem;
    }
}

@media (max-width: 768px) {
    /* Show mobile navigation toggles */
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .section {
        padding: 5rem 0;
    }
    
    .hero-title {
        font-size: 2.75rem;
    }
    
    .hero-desc {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .stat-item {
        border-right: none;
    }
    
    .stat-item:nth-child(odd) {
        border-right: 1px solid var(--color-glass-border);
    }
    
    .intro-grid, .production-teaser-grid, .about-intro-grid, .product-detail-grid, .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .intro-badge {
        bottom: -1rem;
        right: 1rem;
        padding: 1.5rem;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
        max-width: 450px;
        margin: 0 auto;
    }
    
    .production-teaser-img, .intro-img {
        height: 350px;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-bottom-container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .form-group-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .product-detail-main-img {
        height: 350px;
    }
    
    .feature-list {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .contact-form-wrapper {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .stat-item {
        border-right: none !important;
        border-bottom: 1px solid var(--color-glass-border);
        padding-bottom: 1rem;
    }
    
    .stat-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }
    
    .timeline-content {
        width: 100%;
        margin-left: 0;
        padding: 1.5rem;
    }
    
    .timeline::before, .timeline-dot {
        display: none;
    }
}