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

:root {
    --primary: #1A1A1A;     /* Dark Charcoal */
    --secondary: #D4AF37;   /* Metallic Gold */
    --accent: #F5F5F5;      /* Light Gray Background */
    --text-dark: #222222;
    --text-light: #F9F9F9;
    --text-muted: #777777;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --border-radius: 4px;
}

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

body {
    font-family: 'Outfit', sans-serif;
    color: var(--text-dark);
    background-color: var(--accent);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

/* Typography Helpers */
.text-center { text-align: center; }
.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--secondary);
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    font-weight: 300;
}

/* Layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 100px 0;
}

/* Top Bar */
.top-bar {
    background-color: #111;
    color: #ccc;
    font-size: 0.85rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    position: relative;
    z-index: 1001;
}
.top-bar a {
    color: #ccc;
    margin-left: 15px;
    font-size: 1rem;
    transition: color 0.3s;
}
.top-bar a:hover {
    color: var(--secondary);
}
@media (max-width: 768px) {
    .hide-mobile { display: none; }
}

/* Navbar */
.navbar {
    position: fixed;
    top: 36px; /* Top bar yüksekliği kadar aşağıda başlar */
    left: 0;
    width: 100%;
    background-color: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

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

.logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    color: var(--text-light);
    font-weight: 700;
    letter-spacing: 1px;
}

.logo span {
    color: var(--secondary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links li a {
    color: var(--text-light);
    font-weight: 400;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}

.nav-links li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--secondary);
    transition: var(--transition);
}

.nav-links li a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 35px;
    background-color: var(--secondary);
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 1px solid var(--secondary);
}

.btn:hover {
    background-color: transparent;
    color: var(--secondary);
}

.btn-outline {
    background-color: transparent;
    color: var(--secondary);
}

.btn-outline:hover {
    background-color: var(--secondary);
    color: var(--text-light);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1541888086425-d81bb19240f5?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--text-light);
    padding-top: 80px;
}

.hero h1 {
    font-size: 4.5rem;
    color: var(--text-light);
    margin-bottom: 20px;
    animation: fadeUp 1s ease forwards;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 40px;
    font-weight: 300;
    opacity: 0.9;
    animation: fadeUp 1.2s ease forwards;
}

.hero .btn-group {
    animation: fadeUp 1.4s ease forwards;
}

/* Project Cards */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    background: #fff;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: var(--transition);
    position: relative;
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.project-image-wrapper {
    height: 250px;
    overflow: hidden;
    position: relative;
}

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

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

.project-content {
    padding: 25px;
}

.project-title {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--primary);
}

.project-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Footer */
footer {
    background-color: var(--primary);
    color: var(--text-light);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    color: var(--text-light);
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.footer-col p, .footer-col ul li a {
    color: #aaaaaa;
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a:hover {
    color: var(--secondary);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #777;
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero h1 { font-size: 3.5rem; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none; /* Hide default nav on mobile */
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--primary);
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        gap: 20px;
    }
    
    .nav-links.active {
        display: flex; /* Show when toggled */
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 { font-size: 2.8rem; }
    .hero p { font-size: 1rem; }
    
    section { padding: 60px 0; }
}

/* Utility for inner pages */
.page-header {
    background-color: var(--primary);
    padding: 150px 0 80px;
    text-align: center;
    color: var(--text-light);
}

.page-header h1 {
    color: var(--text-light);
    margin-bottom: 15px;
}

/* --- TABS --- */
.tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}
.tab-btn {
    padding: 12px 25px;
    border: 1px solid #eee;
    background: white;
    font-size: 1.1rem;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 30px;
    transition: all 0.3s;
    font-family: 'Outfit', sans-serif;
}
.tab-btn:hover {
    background: #f9f9f9;
}
.tab-btn.active {
    background: var(--primary);
    color: var(--secondary);
    border-color: var(--primary);
    font-weight: 500;
}
.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}
.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- SWIPER OVERRIDES --- */
.hero-swiper {
    width: 100%;
    height: 56.25vw; /* Tam olarak 16:9 oranı */
    min-height: 400px;
}
.hero-slide {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    background-size: cover !important;
    background-position: center !important;
    background-repeat: no-repeat !important;
    position: relative;
}
.hero-slide::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.7));
    z-index: 1;
}
.hero-slide .container {
    position: relative;
    z-index: 2;
}
.swiper-button-next, .swiper-button-prev {
    color: var(--secondary) !important;
}
.swiper-pagination-bullet-active {
    background: var(--secondary) !important;
}

/* --- MOBILE TWEAKS --- */
@media (max-width: 768px) {
    /* Navbar & Logo sizing */
    .navbar {
        padding: 10px 0;
    }
    .logo {
        font-size: 1.4rem;
    }
    .logo img {
        max-height: 30px !important;
    }
    
    /* Slider & Hero styling */
    .hero-swiper {
        height: 550px !important;
        min-height: 550px !important;
    }
    
    /* Stats Section Tweaks */
    .stats-section {
        padding: 25px 0 !important;
    }
    .stats-section i {
        font-size: 1.5rem !important;
        margin-bottom: 5px !important;
    }
    .stats-section h3 {
        font-size: 1.5rem !important;
        margin-bottom: 2px !important;
    }
    .stats-section p {
        font-size: 0.85rem !important;
    }
    .hero-slide {
        background-size: cover !important;
        background-position: center !important;
        align-items: flex-end !important;
        padding-bottom: 40px !important;
    }
    .hero-slide::before {
        display: block !important;
        background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0) 60%) !important;
    }
    .hero h1, .hero-slide h1 { 
        display: none !important;
    }
    .hero p, .hero-slide p { 
        font-size: 0.95rem; 
        margin-bottom: 15px; 
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .hero .btn, .hero-slide .btn {
        padding: 8px 20px;
        font-size: 0.85rem;
    }
}