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

:root {
    /* Color Palette - Dark Luxury Architecture */
    --bg-primary: #06080d;
    --bg-secondary: #0b0f17;
    --bg-tertiary: #111723;
    
    --gold-primary: #d4af37;
    --gold-light: #f3e5ab;
    --gold-dark: #997a15;
    --gold-glow: rgba(212, 175, 55, 0.4);
    
    --cyan-accent: #00f0ff;
    --cyan-glow: rgba(0, 240, 255, 0.3);
    
    --text-primary: #ffffff;
    --text-secondary: #a0a8b8;
    --text-muted: #646f82;
    
    /* Glassmorphism Tokens */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-bg-hover: rgba(255, 255, 255, 0.07);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-gold-border: rgba(212, 175, 55, 0.3);
    --glass-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    
    /* Animations & Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-bounce: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
}

body {
    overflow-x: hidden;
    position: relative;
    selection-background-color: var(--gold-primary);
    selection-color: var(--bg-primary);
}

::selection {
    background: var(--gold-primary);
    color: var(--bg-primary);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
    border: 1px solid var(--glass-border);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--gold-primary);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.gold-gradient-text {
    background: linear-gradient(135deg, #ffffff 0%, var(--gold-light) 40%, var(--gold-primary) 80%, #aa820a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.cyan-gradient-text {
    background: linear-gradient(135deg, #ffffff 0%, var(--cyan-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.section-subtitle {
    font-family: 'Outfit', sans-serif;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--gold-primary);
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 10px;
}
.section-subtitle::before {
    content: '';
    width: 30px;
    height: 2px;
    background: var(--gold-primary);
    box-shadow: 0 0 10px var(--gold-glow);
}

.section-title {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
    max-width: 650px;
}

/* Container */
.container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation - Glassmorphism & 3D Hover */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    padding: 0.8rem 0;
    background: rgba(6, 8, 13, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

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

.logo-link {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    perspective: 500px;
}

.logo-img {
    height: 78px;
    width: auto;
    max-width: 260px;
    object-fit: contain;
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    filter: drop-shadow(0 0 16px rgba(212, 175, 55, 0.45));
}

.logo-link:hover .logo-img {
    transform: rotateY(12deg) rotateX(4deg) scale(1.06);
    filter: drop-shadow(0 0 25px rgba(212, 175, 55, 0.7));
}

.logo-text {
    display: none !important;
}
.logo-text span {
    display: none !important;
}

.menu-toggle {
    display: none;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    align-items: center;
}

.nav-item {
    perspective: 500px;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition-fast);
    display: inline-block;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gold-primary), var(--cyan-accent));
    transition: width 0.3s ease;
    box-shadow: 0 0 8px var(--gold-glow);
}

.nav-link:hover {
    color: var(--gold-light);
    transform: translateZ(10px);
}
.nav-link:hover::after {
    width: 100%;
}

/* 3D Button Styles */
.btn-3d, .btn-primary-3d {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 0.9rem 2rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    color: #ffffff !important;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    background: linear-gradient(135deg, var(--gold-primary) 0%, var(--gold-dark) 100%);
    box-shadow: 0 10px 25px rgba(212, 175, 55, 0.3), inset 0 1px 1px rgba(255, 255, 255, 0.4);
    transform-style: preserve-3d;
    transition: var(--transition-bounce);
    perspective: 800px;
    overflow: hidden;
}

.btn-3d::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: 0.5s;
}

.btn-3d:hover {
    transform: translateY(-4px) scale(1.02) rotateX(5deg);
    box-shadow: 0 15px 35px rgba(212, 175, 55, 0.5), 0 0 15px var(--gold-light);
}

.btn-3d:hover::before {
    left: 100%;
}

.btn-3d:active {
    transform: translateY(-1px) scale(0.98);
}

.btn-outline-3d {
    background: var(--glass-bg);
    border: 1px solid var(--glass-gold-border);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.btn-outline-3d:hover {
    background: rgba(212, 175, 55, 0.1);
    border-color: var(--gold-primary);
    box-shadow: 0 15px 35px rgba(212, 175, 55, 0.2), 0 0 20px rgba(212, 175, 55, 0.3);
}

/* Hero Section - 3D Canvas Background */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

#hero-3d-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: auto;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 70% 50%, transparent 0%, var(--bg-primary) 75%);
    z-index: 2;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 750px;
    perspective: 1000px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 0.5rem 1.2rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-gold-border);
    border-radius: 50px;
    backdrop-filter: blur(10px);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gold-light);
    margin-bottom: 1.5rem;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    animation: float 4s ease-in-out infinite;
}

.hero-badge .pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--gold-primary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--gold-primary);
    animation: pulse-glow 2s infinite;
}

.hero-title {
    font-size: 4.2rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
}

.hero-text {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    max-width: 600px;
}

.hero-btns {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

/* 3D Floating Stats Bar */
.stats-section {
    position: relative;
    z-index: 10;
    margin-top: -60px;
    padding-bottom: 80px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.stat-card {
    background: rgba(15, 20, 30, 0.75);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    padding: 2rem 1.5rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--glass-shadow);
    transition: var(--transition-bounce);
    transform-style: preserve-3d;
    perspective: 1000px;
}

.stat-card:hover {
    transform: translateY(-10px) rotateX(10deg);
    border-color: var(--glass-gold-border);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.7), 0 0 25px rgba(212, 175, 55, 0.15);
    background: rgba(20, 26, 38, 0.85);
}

.stat-number {
    font-family: 'Outfit', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    color: var(--gold-primary);
    margin-bottom: 0.5rem;
    display: block;
    text-shadow: 0 0 20px rgba(212, 175, 55, 0.4);
    transform: translateZ(20px);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    transform: translateZ(10px);
}

/* Sectors Section - 3D Tilt Cards */
.sectors-section {
    padding: 100px 0;
    position: relative;
    background: radial-gradient(circle at 10% 20%, rgba(212, 175, 55, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 90% 80%, rgba(0, 240, 255, 0.05) 0%, transparent 50%);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

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

.sector-card {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 3rem 2.5rem;
    overflow: hidden;
    transform-style: preserve-3d;
    perspective: 1000px;
    transition: border-color 0.4s ease, box-shadow 0.4s ease;
    cursor: pointer;
}

/* 3D Glass Glow Background in Card */
.sector-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(212, 175, 55, 0.1) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
    z-index: 0;
}

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

.sector-card:hover {
    border-color: var(--gold-primary);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8), 0 0 30px rgba(212, 175, 55, 0.2);
}

.sector-icon-wrapper {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.2) 0%, rgba(0, 0, 0, 0.5) 100%);
    border: 1px solid var(--glass-gold-border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    font-size: 2.2rem;
    color: var(--gold-primary);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
    transform: translateZ(40px);
    transition: var(--transition-bounce);
}

.sector-card:hover .sector-icon-wrapper {
    transform: translateZ(60px) scale(1.1) rotateY(15deg);
    background: linear-gradient(135deg, var(--gold-primary) 0%, #aa820a 100%);
    color: #fff;
    box-shadow: 0 20px 40px rgba(212, 175, 55, 0.4);
}

.sector-title {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    transform: translateZ(30px);
    transition: transform 0.4s ease;
}

.sector-desc {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
    transform: translateZ(20px);
    transition: transform 0.4s ease;
}

.sector-features {
    list-style: none;
    margin-bottom: 2.5rem;
    transform: translateZ(25px);
}

.sector-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
}

.sector-features li i {
    color: var(--gold-primary);
    font-size: 1.1rem;
}

.sector-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--gold-primary);
    text-decoration: none;
    transform: translateZ(35px);
    transition: var(--transition-fast);
}

.sector-btn:hover {
    color: #fff;
    gap: 14px;
}

/* History Timeline Section - 1953'ten Günümüze */
.history-section {
    padding: 120px 0;
    position: relative;
    background: var(--bg-secondary);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 60px auto 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, transparent, var(--gold-primary), var(--cyan-accent), transparent);
    box-shadow: 0 0 15px var(--gold-glow);
}

.timeline-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 80px;
    position: relative;
    perspective: 1000px;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-content {
    width: 45%;
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
    transform-style: preserve-3d;
    transition: var(--transition-bounce);
}

.timeline-content:hover {
    transform: scale(1.04) rotateY(5deg);
    border-color: var(--gold-primary);
    box-shadow: 0 20px 40px rgba(0,0,0,0.8), 0 0 25px rgba(212, 175, 55, 0.2);
}

.timeline-item:nth-child(even) .timeline-content:hover {
    transform: scale(1.04) rotateY(-5deg);
}

.timeline-year {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(212, 175, 55, 0.15);
    border: 1px solid var(--gold-primary);
    border-radius: 50px;
    color: var(--gold-light);
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.3);
    transform: translateZ(20px);
}

.timeline-title {
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
    transform: translateZ(15px);
}

.timeline-desc {
    color: var(--text-secondary);
    line-height: 1.6;
    transform: translateZ(10px);
}

.timeline-node {
    position: absolute;
    left: 50%;
    top: 30px;
    transform: translateX(-50%);
    width: 24px;
    height: 24px;
    background: var(--bg-primary);
    border: 4px solid var(--gold-primary);
    border-radius: 50%;
    z-index: 5;
    box-shadow: 0 0 20px var(--gold-primary);
    transition: var(--transition-fast);
}

.timeline-item:hover .timeline-node {
    transform: translateX(-50%) scale(1.4);
    background: var(--gold-primary);
    border-color: #fff;
}

/* Featured Projects - 3D Perspective Showcase & All Projects Page */
.projects-section {
    padding: 120px 0;
    position: relative;
}

.project-filter-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    margin: 3rem 0 2rem;
    padding: 1.5rem 2rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(15px);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: 0.6rem 1.4rem;
    border-radius: 50px;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-btn:hover, .filter-btn.active {
    background: linear-gradient(135deg, var(--gold-primary), #aa820a);
    color: #fff;
    border-color: var(--gold-primary);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.4);
    transform: translateY(-2px);
}

.project-search-box {
    position: relative;
    flex: 1;
    min-width: 260px;
    max-width: 380px;
}

.project-search-box input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.8rem;
    background: rgba(6, 8, 13, 0.7);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    color: #fff;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.project-search-box input:focus {
    outline: none;
    border-color: var(--gold-primary);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.3);
}

.project-search-box i {
    position: absolute;
    left: 1.1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gold-primary);
    font-size: 1.1rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 30px;
    transition: all 0.4s ease;
}

.project-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    height: 450px;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    transform-style: preserve-3d;
    perspective: 1000px;
    cursor: pointer;
    box-shadow: var(--glass-shadow);
}

.project-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1;
}

/* Project Background Images & Fallback Gradients */
.proj-paribuart { background: linear-gradient(135deg, rgba(0, 240, 255, 0.15), rgba(6, 8, 13, 0.9)), url('../images/paribu_art/paribu5.jpg') no-repeat center center / cover; }
.proj-vadiankara { background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(6, 8, 13, 0.9)), url('../images/vadi_ankara/vadi_ankara5.jpeg') no-repeat center center / cover; }
.proj-yazevler { background: linear-gradient(135deg, rgba(255, 165, 0, 0.2), rgba(6, 8, 13, 0.9)), url('../images/yaz_evler_sitesi/yaz_evler_sitesi1.jpeg') no-repeat center center / cover; }
.proj-denizyildizi { background: linear-gradient(135deg, rgba(0, 191, 255, 0.2), rgba(6, 8, 13, 0.9)), url('../images/deniz_yildizi/deniz_yildizi1.jpeg') no-repeat center center / cover; }
.proj-yasamkent { background: linear-gradient(135deg, rgba(46, 213, 115, 0.15), rgba(6, 8, 13, 0.9)), url('../images/yasamkent_sitesi/yasamkent_sitesi1.jpeg') no-repeat center center / cover; }
.proj-agacseven { background: linear-gradient(135deg, rgba(38, 222, 129, 0.2), rgba(6, 8, 13, 0.9)), url('../images/agacseven_sitesi/agacseven_sitesi_1.jpeg') no-repeat center center / cover; }
.proj-esat1 { background: linear-gradient(135deg, rgba(235, 77, 75, 0.2), rgba(6, 8, 13, 0.9)), url('../images/esat_1/esat_1_1.jpeg') no-repeat center center / cover; }
.proj-sancakapt { background: linear-gradient(135deg, rgba(165, 94, 234, 0.15), rgba(6, 8, 13, 0.9)), url('../images/sancak_apartmani/sancak_apartmani1.jpeg') no-repeat center center / cover; }
.proj-cigdemapt { background: linear-gradient(135deg, rgba(253, 150, 68, 0.15), rgba(6, 8, 13, 0.9)), url('../images/cigdem_apartmani/cigdem_apartmani_1.jpeg') no-repeat center center / cover; }
.proj-ornekishani { background: linear-gradient(135deg, rgba(212, 175, 55, 0.25), rgba(6, 8, 13, 0.9)), url('../images/ornek_ishani/ornek_is_hani1.jpeg') no-repeat center center / cover; }
.proj-esat2 { background: linear-gradient(135deg, rgba(104, 109, 224, 0.2), rgba(6, 8, 13, 0.9)), url('../images/esat_2/esat_2_1.jpeg') no-repeat center center / cover; }

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(0deg, rgba(6, 8, 13, 0.95) 0%, rgba(6, 8, 13, 0.4) 50%, transparent 100%);
    z-index: 2;
    transition: opacity 0.4s ease;
}

.project-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2.5rem;
    z-index: 3;
    transform: translateZ(30px);
    transition: transform 0.4s ease;
}

.project-tag {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: rgba(212, 175, 55, 0.2);
    border: 1px solid var(--gold-primary);
    border-radius: 6px;
    color: var(--gold-light);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.project-title {
    font-size: 1.6rem;
    color: #fff;
    margin-bottom: 0.5rem;
}

.project-location {
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn-project {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 1.2rem;
    color: #ffffff !important;
    font-weight: 600;
    font-size: 0.98rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-project i {
    color: #ffffff !important;
    transition: transform 0.3s ease;
}

.btn-project:hover,
.btn-project:hover i {
    color: #ffffff !important;
}

.btn-project:hover {
    gap: 14px;
}

.project-card:hover .project-bg {
    transform: scale(1.15) rotate(2deg);
}

.project-card:hover .project-content {
    transform: translateZ(50px) translateY(-10px);
}

.project-card:hover {
    border-color: var(--gold-primary);
    box-shadow: 0 25px 50px rgba(0,0,0,0.8), 0 0 30px rgba(212, 175, 55, 0.25);
}

/* 1. City & Location Selector Tabs */
.project-filters-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.city-filter-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    background: rgba(17, 23, 35, 0.65);
    padding: 1rem 1.8rem;
    border-radius: 50px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(15px);
    box-shadow: var(--glass-shadow);
}

.filter-bar-label {
    color: var(--gold-primary);
    font-weight: 700;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-right: 0.5rem;
}

.city-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.city-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--text-secondary);
    padding: 0.55rem 1.2rem;
    border-radius: 40px;
    font-family: 'Inter', sans-serif;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 7px;
}

.city-btn .badge-num {
    background: rgba(255, 255, 255, 0.15);
    padding: 1px 7px;
    border-radius: 12px;
    font-size: 0.75rem;
}

.city-btn:hover, .city-btn.active {
    background: linear-gradient(135deg, var(--gold-primary), #99740a);
    color: #fff;
    border-color: var(--gold-light);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
    transform: translateY(-2px);
}

.city-btn.active .badge-num {
    background: rgba(0, 0, 0, 0.3);
    color: #fff;
}

/* 4. Quick View Button on Cards */
.btn-quick-view {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 5;
    background: rgba(6, 8, 13, 0.75);
    border: 1px solid var(--gold-primary);
    color: var(--gold-light);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    backdrop-filter: blur(8px);
    transition: all 0.3s ease;
    opacity: 0.85;
}

.project-card:hover .btn-quick-view {
    opacity: 1;
    transform: scale(1.08) translateZ(60px);
    box-shadow: 0 0 18px rgba(212, 175, 55, 0.6);
}

.btn-quick-view:hover {
    background: var(--gold-primary) !important;
    color: #fff !important;
    transform: scale(1.18) translateZ(70px) !important;
}

/* Quick View Modal Overlay & Content */
.quick-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(6, 8, 13, 0.88);
    backdrop-filter: blur(14px);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.quick-modal-overlay.active {
    opacity: 1;
}

.quick-modal-container {
    background: linear-gradient(135deg, rgba(20, 26, 38, 0.95), rgba(11, 15, 23, 0.98));
    border: 1px solid var(--glass-gold-border);
    border-radius: 28px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.9), 0 0 40px rgba(212, 175, 55, 0.2);
    width: 100%;
    max-width: 980px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.92) translateY(20px);
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.quick-modal-overlay.active .quick-modal-container {
    transform: scale(1) translateY(0);
}

.quick-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #fff;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition-fast);
}

.quick-modal-close:hover {
    background: #eb4d4b;
    border-color: #eb4d4b;
    transform: rotate(90deg);
}

.quick-modal-content {
    display: grid;
    grid-template-columns: 1.1fr 1.2fr;
    gap: 2.5rem;
    padding: 2.5rem;
}

.quick-modal-image-col {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    min-height: 380px;
    border: 1px solid var(--glass-border);
    background: #06080d;
}

.quick-modal-image-col img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.quick-modal-image-col:hover img {
    transform: scale(1.06);
}

.qm-badge-tag {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(6, 8, 13, 0.85);
    border: 1px solid var(--gold-primary);
    color: var(--gold-light);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.82rem;
    font-weight: 700;
    backdrop-filter: blur(6px);
    z-index: 2;
}

.quick-modal-text-col {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.qm-category-label {
    color: var(--gold-primary);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    display: block;
}

.qm-title-text {
    font-size: 2.2rem;
    color: #fff;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.qm-location-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.qm-desc-text {
    color: var(--text-secondary);
    font-size: 0.96rem;
    line-height: 1.7;
    margin-bottom: 1.8rem;
}

.qm-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
    background: rgba(6, 8, 13, 0.6);
    padding: 1.2rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 2rem;
}

.qm-stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.qm-stat-label {
    color: var(--text-muted);
    font-size: 0.78rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.qm-stat-item strong {
    color: var(--gold-light);
    font-size: 1.05rem;
    font-weight: 700;
}

.qm-action-btns {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.qm-btn-primary, .qm-btn-secondary {
    flex: 1;
    text-align: center;
    padding: 0.85rem 1.2rem;
    font-size: 0.92rem;
    justify-content: center;
}

/* Responsive adjustments for City Filter and Quick View Modal */
@media (max-width: 992px) {
    .quick-modal-content {
        grid-template-columns: 1fr;
        gap: 1.8rem;
        padding: 1.8rem;
    }
    .quick-modal-image-col {
        min-height: 260px;
        max-height: 320px;
    }
    .qm-title-text {
        font-size: 1.8rem;
    }
    .city-filter-bar {
        border-radius: 24px;
        padding: 1rem;
        flex-direction: column;
    }
    .filter-bar-label {
        margin-right: 0;
        margin-bottom: 0.5rem;
    }
}

/* Contact & Footer Section */
.contact-section {
    padding: 100px 0;
    position: relative;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.contact-box {
    background: rgba(17, 23, 35, 0.7);
    border: 1px solid var(--glass-gold-border);
    border-radius: 30px;
    padding: 5rem;
    backdrop-filter: blur(30px);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.8);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.contact-box::after {
    content: '';
    position: absolute;
    bottom: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.2) 0%, transparent 70%);
    pointer-events: none;
}

.contact-info h3 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.contact-details {
    margin: 2.5rem 0;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.contact-icon {
    width: 45px;
    height: 45px;
    background: rgba(212, 175, 55, 0.15);
    border: 1px solid var(--gold-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold-primary);
    font-size: 1.2rem;
    flex-shrink: 0;
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.2);
}

.contact-text h5 {
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 0.3rem;
}

.contact-text p {
    color: var(--text-secondary);
    line-height: 1.5;
    font-size: 0.95rem;
}

/* Mobil Tarayıcıların Telefon Numaralarını ve E-posta Adreslerini Mavi Link Yapmasını Engelleme */
a[href^="tel:"],
a[href^="tel:"]:visited,
a[href^="tel:"]:hover,
a[href^="tel:"]:active,
a[href^="mailto:"],
a[href^="mailto:"]:visited,
.contact-text a,
.contact-text p a,
.contact-item p a,
.footer-bottom a,
.footer-links a[href^="tel:"] {
    color: var(--text-secondary) !important;
    text-decoration: none !important;
    font-weight: inherit !important;
    transition: color 0.3s ease;
}

.contact-text a:hover,
a[href^="tel:"]:hover,
a[href^="mailto:"]:hover {
    color: var(--gold-primary) !important;
}

/* Form Styles */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    position: relative;
}

.form-input, .form-textarea {
    width: 100%;
    padding: 1rem 1.2rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: #fff;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-textarea {
    height: 130px;
    resize: none;
}

.form-input:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--gold-primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.2);
}

/* Footer */
.footer {
    background: #040508;
    border-top: 1px solid var(--glass-border);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-logo-img {
    height: 100px;
    width: auto;
    max-width: 300px;
    object-fit: contain;
    filter: drop-shadow(0 0 18px rgba(212, 175, 55, 0.45));
}

.footer-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--gold-primary);
}

.footer-bottom {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Keyframe Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse-glow {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

@keyframes shine {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

@keyframes cardPopIn {
    0% {
        opacity: 0;
        transform: perspective(1000px) translateZ(-400px) translateY(150px) scale(0.4) rotateX(35deg) rotateY(-15deg);
        box-shadow: 0 0 0 rgba(212, 175, 55, 0);
        border-color: transparent;
    }
    60% {
        opacity: 1;
        transform: perspective(1000px) translateZ(50px) translateY(-20px) scale(1.06) rotateX(-8deg) rotateY(3deg);
        box-shadow: 0 25px 60px rgba(0,0,0,0.9), 0 0 50px rgba(212, 175, 55, 0.7);
        border-color: var(--gold-primary);
    }
    80% {
        transform: perspective(1000px) translateZ(-15px) translateY(8px) scale(0.98) rotateX(3deg) rotateY(-1deg);
    }
    100% {
        opacity: 1;
        transform: perspective(1000px) translateZ(0) translateY(0) scale(1) rotateX(0deg) rotateY(0deg);
        box-shadow: var(--glass-shadow);
        border-color: var(--glass-border);
    }
}

.project-card.pop-in-active {
    animation: cardPopIn 0.5s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

/* =========================================
   KURUCULARIMIZ SAYFASI STİLLERİ (Founders Page)
   ========================================= */
.page-hero {
    padding: 160px 0 80px;
    text-align: center;
    position: relative;
    background: radial-gradient(circle at top center, rgba(212, 175, 55, 0.12) 0%, transparent 60%);
    border-bottom: 1px solid var(--glass-border);
}

.page-hero-title {
    font-size: 3.8rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.page-hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.founders-section {
    padding: 100px 0;
    position: relative;
}

.founders-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 50px;
}

.founder-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--glass-shadow);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), border-color 0.4s ease, box-shadow 0.4s ease;
    transform-style: preserve-3d;
    position: relative;
    display: flex;
    flex-direction: column;
}

.founder-card:hover {
    border-color: var(--gold-primary);
    box-shadow: 0 25px 60px rgba(212, 175, 55, 0.15);
}

.founder-image-wrapper {
    height: 400px;
    width: 100%;
    position: relative;
    overflow: hidden;
    background: #080c14;
    border-bottom: 1px solid var(--glass-border);
}

.founder-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1), filter 0.7s ease;
}

.founder-card:hover .founder-img {
    transform: scale(1.08);
    filter: contrast(1.1) brightness(1.05);
}

.founder-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #d4af37, #997300);
    color: #0c1018;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.85rem;
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.4);
    z-index: 2;
    transform: translateZ(30px);
}

.founder-content {
    padding: 35px 30px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.founder-name {
    font-size: 1.8rem;
    color: #ffffff;
    font-weight: 700;
    margin-bottom: 6px;
    transform: translateZ(25px);
}

.founder-role {
    color: var(--gold-primary);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 20px;
    display: block;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.founder-bio {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 25px;
    flex-grow: 1;
}

.founder-quote {
    border-left: 3px solid var(--accent-cyan);
    background: rgba(0, 240, 255, 0.05);
    padding: 15px 18px;
    border-radius: 0 10px 10px 0;
    font-style: italic;
    color: #cbd5e1;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-top: auto;
}

.philosophy-section {
    padding: 80px 0 120px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--glass-border);
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.philosophy-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition-fast);
}

.philosophy-card:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-8px);
}

.philosophy-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 25px;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--accent-cyan);
}

/* =========================================
   VİZYON 2030: MEGA PROJELER & AKILLI ŞEHİR SİMÜLATÖRÜ
   ========================================= */
.vision-grid {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 30px;
    align-items: start;
    margin-bottom: 60px;
}

.vision-canvas-box {
    height: 600px;
    width: 100%;
    background: #04060a;
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.9), inset 0 0 60px rgba(0, 0, 0, 0.8);
}

.hud-panel {
    background: rgba(10, 15, 24, 0.9);
    border: 1px solid var(--gold-primary);
    border-radius: 24px;
    padding: 30px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 30px rgba(212, 175, 55, 0.15);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    position: relative;
    overflow: hidden;
}

.hud-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--gold-primary), var(--cyan-accent));
}

.hud-img-wrapper {
    width: 100%;
    height: 200px;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 20px;
    border: 1px solid var(--glass-border);
    position: relative;
}

.hud-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.hud-img-wrapper:hover .hud-img {
    transform: scale(1.08);
}

.hud-title {
    font-size: 1.6rem;
    color: #fff;
    margin-bottom: 10px;
}

.hud-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 25px;
}

.hud-metrics-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.hud-metric-item {
    background: rgba(6, 10, 16, 0.6);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.hud-metric-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.hud-metric-value {
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gold-primary);
}

.matrix-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.matrix-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 35px;
    box-shadow: var(--glass-shadow);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.matrix-card:hover {
    border-color: var(--gold-primary);
    transform: translateY(-8px);
    box-shadow: 0 25px 60px rgba(212, 175, 55, 0.15);
}

.matrix-card-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--glass-border);
}

.matrix-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--gold-primary);
}

.matrix-title {
    font-size: 1.3rem;
    color: #fff;
}

.lab-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(12, 16, 24, 0.85);
    border: 1px solid var(--gold-primary);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 8px 18px;
    border-radius: 30px;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #00ff88;
    border-radius: 50%;
    box-shadow: 0 0 12px #00ff88;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.8; }
    50% { transform: scale(1.3); opacity: 1; box-shadow: 0 0 20px #00ff88; }
    100% { transform: scale(0.95); opacity: 0.8; }
}

.lab-btn-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.lab-btn {
    background: rgba(18, 26, 41, 0.6);
    border: 1px solid var(--glass-border);
    color: #cbd5e1;
    font-family: 'Outfit', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 12px 22px;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.lab-btn:hover {
    background: rgba(212, 175, 55, 0.15);
    color: #fff;
    border-color: var(--gold-primary);
    transform: translateY(-2px);
}

.lab-btn.active {
    background: linear-gradient(135deg, var(--gold-primary), #997300);
    color: #0c1018;
    border-color: var(--gold-primary);
    box-shadow: 0 5px 20px rgba(212, 175, 55, 0.4);
    font-weight: 700;
}

/* =========================================
   EDİTÖRYAL PROJE İNCELEMESİ (Editorial Wrap Layout)
   ========================================= */
.editorial-section {
    padding: 60px 0 100px;
}

.wrap {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8), 0 0 40px rgba(212, 175, 55, 0.1);
    margin-bottom: 50px;
    position: relative;
    transition: var(--transition-smooth);
}

.wrap:hover {
    border-color: var(--gold-primary);
    box-shadow: 0 35px 90px rgba(0, 0, 0, 0.9), 0 0 50px rgba(212, 175, 55, 0.2);
}

.wrap:last-child {
    margin-bottom: 0;
}

/* Left/Top Overlay Section */
.overlay {
    position: relative;
    background: linear-gradient(135deg, #0c1018 0%, #161e2e 100%);
    padding: 50px 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 480px;
    border-right: 1px solid var(--glass-border);
    overflow: hidden;
}

.image-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.35;
    transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.5s ease;
    z-index: 1;
}

.wrap:hover .image-content {
    transform: scale(1.08);
    opacity: 0.45;
}

.overlay-content {
    position: relative;
    z-index: 2;
    margin-top: auto;
    background: rgba(8, 12, 20, 0.85);
    padding: 30px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.6);
}

.overlay-content h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 2.2rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 8px;
    line-height: 1.2;
}

.overlay-content p {
    font-size: 1.05rem;
    color: var(--gold-primary) !important;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 0 !important;
}

.dots {
    position: relative;
    z-index: 2;
    display: flex;
    gap: 10px;
    margin-top: 25px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gold-primary);
    box-shadow: 0 0 10px var(--gold-primary);
    opacity: 0.6;
    transition: var(--transition-fast);
}

.dot:nth-child(2) { background: var(--cyan-accent); box-shadow: 0 0 10px var(--cyan-accent); }
.dot:nth-child(3) { background: #00ff88; box-shadow: 0 0 10px #00ff88; }

.wrap:hover .dot { opacity: 1; transform: translateY(-3px); }

/* Right/Bottom Text Section */
.text {
    padding: 50px 45px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: rgba(6, 10, 16, 0.7);
}

.text p {
    color: #cbd5e1;
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    text-align: justify;
}

.text p:last-of-type {
    margin-bottom: 0;
}

.inset {
    float: left;
    width: 180px;
    height: 130px;
    object-fit: cover;
    border-radius: 14px;
    margin-right: 22px;
    margin-bottom: 15px;
    border: 1px solid var(--gold-primary);
    box-shadow: 0 10px 25px rgba(0,0,0,0.6);
    transition: transform 0.4s ease;
}

.inset:hover {
    transform: scale(1.05) rotate(-2deg);
}

.tree {
    position: absolute;
    bottom: 25px;
    right: 30px;
    width: 80px;
    height: 80px;
    object-fit: contain;
    opacity: 0.12;
    pointer-events: none;
    filter: drop-shadow(0 0 10px var(--gold-primary));
}

/* Animation Keyframes & Utilities for Editorial Wrap */
@keyframes popIn {
    0% { opacity: 0; transform: scale(0.92) translateY(20px); }
    100% { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes slideLeftIn {
    0% { opacity: 0; transform: translateX(-30px); }
    100% { opacity: 1; transform: translateX(0); }
}

@keyframes slideUpIn {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}

.animate {
    animation-duration: 0.8s;
    animation-fill-mode: both;
    animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
}

.pop { animation-name: popIn; }
.slide-left { animation-name: slideLeftIn; }
.slide-up { animation-name: slideUpIn; }

.delay-2 { animation-delay: 0.2s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
.delay-6 { animation-delay: 0.6s; }
.delay-7 { animation-delay: 0.7s; }
.delay-8 { animation-delay: 0.8s; }

/* =========================================
   SİNEMATİK VİDEO ARKAPLANLI HERO (Video Hero Section)
   ========================================= */
.video-hero {
    position: relative;
    min-height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 130px 0 80px;
    background: #04060a;
}

.hero-video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
    z-index: 1;
    opacity: 0.55; /* Videonun parlaklığı ve yazılarla dengesi */
    filter: contrast(1.1) saturate(1.2);
}

.video-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, 
        rgba(4, 6, 10, 0.75) 0%, 
        rgba(4, 6, 10, 0.45) 40%, 
        rgba(4, 6, 10, 0.85) 85%, 
        var(--bg-main) 100%);
    z-index: 2;
}

.video-hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 980px;
    margin: 0 auto;
    padding: 0 20px;
}

.video-hero-title {
    font-family: 'Outfit', sans-serif;
    font-size: 4.2rem;
    font-weight: 900;
    line-height: 1.15;
    color: #fff;
    margin-bottom: 25px;
    text-shadow: 0 10px 30px rgba(0,0,0,0.8);
    letter-spacing: -0.5px;
}

.video-hero-subtitle {
    font-size: 1.2rem;
    color: #cbd5e1;
    line-height: 1.7;
    max-width: 800px;
    margin: 0 auto 40px;
    text-shadow: 0 5px 15px rgba(0,0,0,0.8);
}

.video-hero-btns {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.btn-play-video {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    color: #fff;
    font-family: 'Outfit', sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
    padding: 16px 32px;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    transition: var(--transition-smooth);
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.btn-play-video:hover {
    background: rgba(212, 175, 55, 0.2);
    border-color: var(--gold-primary);
    color: var(--gold-primary);
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(212, 175, 55, 0.25);
}

.video-hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    background: rgba(10, 15, 24, 0.85);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 30px;
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    box-shadow: 0 25px 60px rgba(0,0,0,0.8), 0 0 40px rgba(212, 175, 55, 0.1);
    position: relative;
    z-index: 3;
    margin-top: 20px;
}

.v-stat-item {
    text-align: center;
    padding: 10px;
    border-right: 1px solid rgba(255,255,255,0.08);
}

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

.v-stat-num {
    font-family: 'Outfit', sans-serif;
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--gold-primary);
    margin-bottom: 5px;
    display: block;
}

.v-stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* =========================================
   GELİŞMİŞ MOBİL VE RESPONSİF TASARIM (Mobile & Responsive)
   ========================================= */
@media (max-width: 1024px) {
    .container { padding: 0 1.5rem; }
    .hero-title { font-size: 3.2rem; }
    .page-hero-title { font-size: 3rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .sectors-grid { grid-template-columns: 1fr !important; gap: 30px; }
    .projects-grid { grid-template-columns: repeat(2, 1fr); gap: 25px; }
    .contact-box { grid-template-columns: 1fr; padding: 3rem; }
    .timeline::before { left: 30px; }
    .timeline-item, .timeline-item:nth-child(even) { flex-direction: column; align-items: flex-end; }
    .timeline-content { width: calc(100% - 60px); }
    .timeline-node { left: 30px; }
    .founders-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
    .philosophy-grid { grid-template-columns: 1fr !important; gap: 35px; }
    .vision-grid { grid-template-columns: 1fr; }
    .matrix-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .wrap { grid-template-columns: 1fr; }
    .overlay { min-height: 380px; border-right: none; border-bottom: 1px solid var(--glass-border); }
    .video-hero-title { font-size: 3.2rem; }
    .video-hero-stats { grid-template-columns: repeat(2, 1fr); gap: 25px; }
    .v-stat-item:nth-child(2) { border-right: none; }
    .logo-img { height: 60px; max-width: 200px; }
    .footer-logo-img { height: 75px; max-width: 220px; }
    .logo-text, .logo-text span { display: none !important; }
}

@media (max-width: 768px) {
    .logo-img { height: 60px; max-width: 200px; }
    .footer-logo-img { height: 75px; max-width: 220px; }
    /* Navbar & Mobil Menü (Hamburger Menu) */
    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.5rem;
        color: var(--gold-primary);
        cursor: pointer;
        z-index: 1001;
        width: 44px;
        height: 44px;
        border: 1px solid var(--glass-border);
        border-radius: 10px;
        background: rgba(212, 175, 55, 0.1);
        transition: var(--transition-fast);
    }
    .menu-toggle:active {
        transform: scale(0.95);
        background: rgba(212, 175, 55, 0.2);
    }
    .nav-links {
        position: fixed;
        top: 75px;
        left: 0;
        width: 100%;
        max-height: calc(100vh - 75px);
        overflow-y: auto;
        background: rgba(8, 12, 20, 0.98);
        backdrop-filter: blur(25px);
        -webkit-backdrop-filter: blur(25px);
        flex-direction: column;
        align-items: center;
        padding: 30px 20px 45px;
        gap: 20px;
        border-bottom: 2px solid var(--gold-primary);
        box-shadow: 0 25px 60px rgba(0, 0, 0, 0.9);
        transform: translateY(-150%);
        transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
        z-index: 1000;
        display: flex;
        opacity: 0;
        pointer-events: none;
    }
    .nav-links.nav-active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    .nav-item { margin: 0; width: 100%; text-align: center; }
    .nav-link { font-size: 1.2rem; padding: 12px 0; display: block; width: 100%; }
    .btn-outline-3d { display: none; }
    
    /* Hero & Genel Başlıklar */
    .hero-content { padding-top: 100px; text-align: center; }
    .hero-title { font-size: 2.4rem; line-height: 1.2; margin-bottom: 1.2rem; }
    .hero-subtitle { font-size: 1rem; line-height: 1.6; margin-bottom: 2rem; max-width: 100%; }
    .hero-btns { flex-direction: column; align-items: stretch; gap: 15px; width: 100%; max-width: 340px; margin: 0 auto; }
    .hero-btns a { width: 100%; text-align: center; justify-content: center; }
    
    .section-title { font-size: 2.1rem; }
    .page-hero { padding: 130px 0 60px; }
    .page-hero-title { font-size: 2.3rem; }
    .page-hero-subtitle { font-size: 1rem; }

    /* Izgaralar (Grids) */
    .stats-grid { grid-template-columns: 1fr; gap: 15px; }
    .projects-grid { grid-template-columns: 1fr; gap: 24px; }
    .project-card { height: 380px; border-radius: 18px; }
    .project-content { padding: 1.8rem; }
    .project-title { font-size: 1.45rem; }
    .founders-grid { grid-template-columns: 1fr; gap: 30px; }
    .philosophy-grid { grid-template-columns: 1fr !important; gap: 30px; }
    .logo-text, .logo-text span { display: none !important; }
    .matrix-grid { grid-template-columns: 1fr; gap: 25px; }
    .vision-canvas-box { height: 420px; }
    .lab-btn { width: 100%; justify-content: center; }
    
    /* Projeler & Kartlar Responsive */
    .projects-grid { grid-template-columns: 1fr; gap: 20px; }
    .project-filter-bar { flex-direction: column; align-items: stretch; gap: 1rem; padding: 1.2rem; }
    .filter-buttons { justify-content: center; }
    .project-search-box { max-width: 100%; }
    
    /* Kartlar & İletişim Formu */
    .contact-box { padding: 2.2rem 1.6rem; border-radius: 22px; gap: 2.5rem; }
    .contact-info h3 { font-size: 2rem; }
    .form-input, .form-textarea { font-size: 16px; padding: 0.9rem 1.1rem; }
    .footer-content { flex-direction: column; gap: 2rem; text-align: center; }
    .footer-links { flex-wrap: wrap; justify-content: center; gap: 15px; }
    .text { padding: 30px 22px; }
    .overlay { padding: 30px 22px; min-height: 280px; }
    .overlay-content h1 { font-size: 1.85rem; }
    .inset { float: none; width: 100%; height: 210px; margin-right: 0; margin-bottom: 18px; display: block; border-radius: 14px; }
    .tree { width: 45px; height: 45px; bottom: 15px; right: 15px; }
    
    .video-hero { padding: 110px 0 60px; min-height: auto; }
    .video-hero-title { font-size: 2.5rem; }
    .video-hero-subtitle { font-size: 1rem; margin-bottom: 30px; }
    .video-hero-btns { flex-direction: column; width: 100%; max-width: 340px; margin: 0 auto 40px; gap: 14px; }
    .video-hero-btns a, .video-hero-btns button { width: 100%; justify-content: center; text-align: center; }
    .video-hero-stats { grid-template-columns: repeat(2, 1fr); gap: 20px; padding: 25px 18px; }
    .v-stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); padding-bottom: 12px; }
    .v-stat-item:nth-child(3), .v-stat-item:nth-child(4) { border-bottom: none; padding-bottom: 0; }
    
    /* Dokunmatik Ekran Optimizasyonu (Touch Devices) */
    .3d-tilt-card, .project-card, .sector-card, .stat-card, .gallery-item {
        transform: none !important;
    }
}

@media (max-width: 480px) {
    .container { padding: 0 1.2rem; }
    .logo-img { height: 52px; max-width: 170px; }
    .logo-text { display: none !important; }
    .logo-text span { display: none !important; }
    .hero-title { font-size: 2rem; }
    .page-hero-title { font-size: 1.9rem; }
    .section-title { font-size: 1.8rem; }
    .founder-image-wrapper { height: 320px; }
    .project-img-wrapper { height: 240px; }
    .project-card { height: 330px; }
    .project-content { padding: 1.4rem; }
    .project-title { font-size: 1.3rem; }
    .sector-card { padding: 20px 16px; }
    .sector-title { font-size: 1.2rem; }
    .philosophy-grid { grid-template-columns: 1fr !important; gap: 25px; }
    .sectors-grid { grid-template-columns: 1fr !important; gap: 25px; }
    .overlay { padding: 24px 18px; min-height: 240px; }
    .overlay-content h1 { font-size: 1.6rem; }
    .text { padding: 24px 18px; }
    .inset { height: 180px; }
    .timeline::before { left: 20px; }
    .timeline-node { left: 20px; width: 40px; height: 40px; font-size: 1.1rem; }
    .timeline-content { width: calc(100% - 45px); padding: 1.5rem 1.2rem; }
    .vision-canvas-box { height: 320px; }
    .video-hero-title { font-size: 2.1rem; }
    .video-hero-stats { grid-template-columns: 1fr; gap: 16px; padding: 20px 15px; }
    .v-stat-item { border-bottom: 1px solid rgba(255,255,255,0.08); padding-bottom: 12px; }
    .v-stat-item:last-child { border-bottom: none; padding-bottom: 0; }
    .v-stat-num { font-size: 2rem; }
    .contact-box { padding: 1.6rem 1.2rem; }
    .contact-info h3 { font-size: 1.7rem; }
}

/* =========================================================
   1. NAVBAR DROPDOWN (ALT ALTA AÇILIR PROJELER MENÜSÜ)
   ========================================================= */
.nav-item.dropdown {
    position: relative;
    display: flex;
    align-items: center;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.dropdown-toggle i {
    font-size: 0.8rem;
    transition: transform var(--transition-fast);
}

.nav-item.dropdown:hover .dropdown-toggle i,
.nav-item.dropdown.active .dropdown-toggle i {
    transform: rotate(180deg);
    color: var(--gold-primary);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-gold-border);
    border-radius: 14px;
    padding: 0.8rem 0;
    min-width: 260px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.85), 0 0 25px rgba(212, 175, 55, 0.15);
    backdrop-filter: blur(20px);
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px) scale(0.96);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 10000;
}

.nav-item.dropdown:hover .dropdown-menu,
.nav-item.dropdown.mobile-open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.dropdown-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.6rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.dropdown-item-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.dropdown-item-left i {
    font-size: 1rem;
    color: var(--gold-primary);
    width: 20px;
    text-align: center;
    transition: transform var(--transition-fast);
}

.dropdown-item-badge {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    background: rgba(212, 175, 55, 0.15);
    border: 1px solid var(--gold-primary);
    border-radius: 4px;
    color: var(--gold-light);
    font-weight: 600;
}

.dropdown-item:hover {
    color: #ffffff;
    background: linear-gradient(90deg, rgba(212, 175, 55, 0.15), transparent);
    border-left-color: var(--gold-primary);
    padding-left: 1.9rem;
}

.dropdown-item:hover .dropdown-item-left i {
    transform: scale(1.25);
    color: var(--gold-light);
}

@media (max-width: 768px) {
    .nav-item.dropdown {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }
    
    .dropdown-toggle {
        width: 100%;
        justify-content: space-between;
        padding: 0.5rem 0;
    }

    .dropdown-menu {
        position: static;
        width: 100%;
        box-shadow: none;
        background: rgba(255, 255, 255, 0.03);
        border: 1px solid rgba(212, 175, 55, 0.2);
        margin-top: 5px;
        margin-bottom: 10px;
        display: none;
        opacity: 1;
        visibility: visible;
        transform: none;
    }
    
    .nav-item.dropdown.mobile-open .dropdown-menu {
        display: block;
    }
}

/* =========================================================
   2. PROJELER BÖLÜMÜ - ALT ALTA AÇILIR AKORDEON VİTRİNİ
   ========================================================= */
.projects-header-controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 2.5rem;
}

.view-toggle-btn {
    padding: 0.6rem 1.4rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    color: var(--text-secondary);
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
}

.view-toggle-btn.active, .view-toggle-btn:hover {
    background: rgba(212, 175, 55, 0.15);
    border-color: var(--gold-primary);
    color: var(--gold-light);
    box-shadow: 0 0 15px var(--gold-glow);
}

.projects-accordion-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.project-accordion-item {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: 18px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.project-accordion-item:hover {
    border-color: rgba(212, 175, 55, 0.4);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.6), 0 0 20px rgba(212, 175, 55, 0.1);
}

.project-accordion-item.active {
    border-color: var(--gold-primary);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(17, 23, 35, 0.95) 100%);
}

.project-accordion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.6rem 2.2rem;
    cursor: pointer;
    background: var(--glass-bg);
    transition: all var(--transition-fast);
}

.project-accordion-header-left {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.accordion-index {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--gold-primary);
    opacity: 0.8;
}

.accordion-title-box h3 {
    font-size: 1.4rem;
    color: #ffffff;
    margin-bottom: 0.3rem;
}

.accordion-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.project-accordion-header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.accordion-status-badge {
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.status-completed {
    background: rgba(46, 213, 115, 0.15);
    color: #2ed573;
    border: 1px solid rgba(46, 213, 115, 0.4);
}

.status-ongoing {
    background: rgba(212, 175, 55, 0.15);
    color: var(--gold-light);
    border: 1px solid var(--gold-primary);
}

.accordion-toggle-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold-primary);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.project-accordion-item.active .accordion-toggle-icon {
    transform: rotate(180deg);
    background: var(--gold-primary);
    color: #000;
    box-shadow: 0 0 15px var(--gold-glow);
}

.project-accordion-body {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.6s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
}

.project-accordion-item.active .project-accordion-body {
    max-height: 850px;
    opacity: 1;
}

.project-accordion-content {
    padding: 2.2rem;
    border-top: 1px solid var(--glass-border);
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 2.5rem;
    align-items: center;
}

.accordion-img-preview {
    position: relative;
    height: 280px;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.6);
}

.accordion-img-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.project-accordion-item:hover .accordion-img-preview img {
    transform: scale(1.08);
}

.accordion-info-preview h4 {
    font-size: 1.3rem;
    color: var(--gold-light);
    margin-bottom: 1rem;
}

.accordion-info-preview p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.accordion-stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.8rem;
}

.acc-stat {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 0.8rem;
    border-radius: 10px;
    text-align: center;
}

.acc-stat-val {
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    display: block;
}

.acc-stat-lbl {
    font-size: 0.75rem;
    color: var(--text-muted);
}

@media (max-width: 900px) {
    .project-accordion-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 1.5rem;
    }
    .accordion-img-preview {
        height: 220px;
    }
    .project-accordion-header {
        padding: 1.2rem 1.5rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    .project-accordion-header-right {
        width: 100%;
        justify-content: space-between;
    }
}

/* =========================================================
   3. PROJE SAYFASI ÖZEL TASARIM (PROJECT DETAIL PAGES)
   ========================================================= */
.project-hero-banner {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: flex-end;
    padding-bottom: 80px;
    padding-top: 120px;
    background-size: cover;
    background-position: center;
}

.project-hero-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(6, 8, 13, 0.7) 0%, rgba(6, 8, 13, 0.4) 40%, var(--bg-primary) 100%);
    z-index: 1;
}

.project-hero-content {
    position: relative;
    z-index: 2;
    max-width: 850px;
}

.project-hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 1.2rem;
}

.project-detail-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: #ffffff;
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
}

.project-detail-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.project-meta-bar {
    position: relative;
    z-index: 3;
    margin-top: -50px;
    margin-bottom: 60px;
}

.meta-grid {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-gold-border);
    border-radius: 20px;
    padding: 2.2rem 3rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.7), 0 0 30px rgba(212, 175, 55, 0.1);
    backdrop-filter: blur(20px);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 15px;
    border-right: 1px solid var(--glass-border);
    padding-right: 1.5rem;
}

.meta-item:last-child {
    border-right: none;
    padding-right: 0;
}

.meta-icon {
    width: 55px;
    height: 55px;
    border-radius: 12px;
    background: rgba(212, 175, 55, 0.15);
    border: 1px solid var(--gold-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--gold-light);
    flex-shrink: 0;
}

.meta-text span {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.meta-text strong {
    font-family: 'Outfit', sans-serif;
    font-size: 1.15rem;
    color: #fff;
    font-weight: 700;
}

.project-detail-body {
    padding: 60px 0 100px;
}

.project-feature-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 3rem 0;
}

.p-feature-card {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    padding: 2.5rem 2rem;
    border-radius: 18px;
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
}

.p-feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--gold-primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(212, 175, 55, 0.15);
}

.p-feature-icon {
    font-size: 2.2rem;
    color: var(--gold-primary);
    margin-bottom: 1.5rem;
}

.p-feature-card h4 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: #fff;
}

.p-feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

@media (max-width: 992px) {
    .meta-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; padding: 1.8rem; }
    .meta-item { border-right: none; }
    .project-feature-cards { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
    .project-detail-title { font-size: 2.6rem; }
}

@media (max-width: 600px) {
    .project-hero-banner { min-height: 50vh; padding-top: 110px; padding-bottom: 60px; }
    .project-detail-title { font-size: 2rem; line-height: 1.25; }
    .project-detail-subtitle { font-size: 1rem; line-height: 1.6; }
    
    .meta-grid { grid-template-columns: 1fr; gap: 1.2rem; padding: 1.5rem; border-radius: 16px; }
    .meta-item { border-bottom: 1px solid var(--glass-border); padding-bottom: 1.1rem; }
    .meta-item:last-child { border-bottom: none; padding-bottom: 0; }
    
    .project-feature-cards { grid-template-columns: 1fr; gap: 1.2rem; }
    .p-feature-card { padding: 1.8rem 1.4rem; border-radius: 16px; }
    .p-feature-icon { font-size: 1.8rem; margin-bottom: 1rem; }
}

/* --- Project Photo Gallery Section --- */
.project-gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.gallery-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    height: 320px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, border-color 0.4s ease;
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--gold-primary);
    box-shadow: 0 20px 40px rgba(212, 175, 55, 0.25);
    z-index: 2;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: linear-gradient(0deg, rgba(6, 8, 13, 0.95) 0%, rgba(6, 8, 13, 0.6) 70%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    transition: opacity 0.3s ease;
}

.gallery-item-tag {
    font-size: 0.75rem;
    color: var(--gold-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.gallery-item-title {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
}

.gallery-item.featured {
    grid-column: span 2;
    height: 380px;
}

@media (max-width: 992px) {
    .project-gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }
    .gallery-item.featured { grid-column: span 2; }
}

@media (max-width: 600px) {
    .project-gallery-grid { grid-template-columns: 1fr; gap: 1.2rem; margin-top: 2rem; }
    .gallery-item { height: 240px; border-radius: 14px; }
    .gallery-item.featured { grid-column: span 1; height: 260px; }
}