/* ==========================================================================
   BOĞAZİÇİ RESTAURANT - PREMIUM CSS MİMARİSİ
   ========================================================================== */

/* --- Değişkenler ve Sıfırlama --- */
:root {
    --primary-dark: #0f1922;
    --secondary-dark: #1a2a3a;
    --gold-accent: #d4af37;
    --text-light: #f8f9fa;
    --text-dark: #333333;
    --bg-light: #fdfdfd;
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: 'Georgia', serif; color: var(--primary-dark); }
a { text-decoration: none; transition: all 0.3s ease; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.text-center { text-align: center; }

/* --- Header & Navigasyon --- */
header {
    background-color: rgba(15, 25, 34, 0.98);
    position: sticky;
    top: 0;
    z-index: 9999;
    border-bottom: 2px solid var(--gold-accent);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    padding: 10px 0;
}

.nav-flex { display: flex; justify-content: space-between; align-items: center; }
.logo img { height: 75px; width: auto; object-fit: contain; }

nav ul { list-style: none; display: flex; gap: 30px; }
nav ul li a {
    color: var(--text-light);
    font-size: 1.05rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    padding: 5px 0;
    position: relative;
}

nav ul li a::after {
    content: ''; position: absolute; width: 0; height: 2px;
    bottom: 0; left: 0; background-color: var(--gold-accent);
    transition: width 0.3s ease;
}
nav ul li a:hover::after, nav ul li a.active::after { width: 100%; }
nav ul li a:hover, nav ul li a.active { color: var(--gold-accent); }

/* --- Hero Section (Ana Vitrin) --- */
.hero {
    position: relative;
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(to bottom, rgba(15, 25, 34, 0.7), rgba(15, 25, 34, 0.9)), 
                url('https://bogaziciakcakoca.com/wp-content/uploads/2021/08/bogazicicoverjpg-1030x490.webp') center/cover no-repeat fixed;
}

.hero-content { position: relative; z-index: 2; max-width: 800px; padding: 0 20px; }
.hero h1 { color: var(--text-light); font-size: 4rem; font-weight: 700; margin-bottom: 20px; text-shadow: 2px 2px 4px rgba(0,0,0,0.5); }
.hero p { color: #e0e0e0; font-size: 1.4rem; margin-bottom: 40px; font-weight: 300; }

.btn-gold {
    background-color: var(--gold-accent);
    color: var(--primary-dark);
    padding: 15px 40px;
    font-size: 1.2rem;
    font-weight: bold;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}
.btn-gold:hover { background-color: #fff; color: var(--primary-dark); box-shadow: 0 6px 20px rgba(255, 255, 255, 0.4); }

/* --- İçerik Bölümleri (Sections) --- */
.section { padding: 100px 0; }
.section-title { font-size: 2.8rem; margin-bottom: 60px; text-align: center; position: relative; }
.section-title::after {
    content: '✦'; display: block; color: var(--gold-accent); font-size: 1.5rem;
    text-align: center; margin-top: 10px;
}

/* --- Menü Grid Sistemi --- */
.menu-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 40px; }
.menu-category { background: #fff; padding: 40px; border-radius: 8px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); border-top: 6px solid var(--secondary-dark); }
.menu-category h3 { color: var(--gold-accent); font-size: 1.8rem; margin-bottom: 25px; border-bottom: 1px solid #eee; padding-bottom: 15px; }
.menu-item { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 15px; font-size: 1.2rem; }
.menu-item-name { font-weight: 600; color: var(--secondary-dark); }
.menu-item-dots { flex-grow: 1; border-bottom: 2px dotted #ccc; margin: 0 15px; }

/* --- Galeri Grid --- */
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.gallery-img { width: 100%; height: 350px; object-fit: cover; border-radius: 4px; transition: transform 0.4s ease, filter 0.4s ease; filter: brightness(0.9); }
.gallery-img:hover { transform: scale(1.05); filter: brightness(1.1); z-index: 10; position: relative; box-shadow: 0 10px 20px rgba(0,0,0,0.2); }

/* --- İletişim ve Kutular --- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; background: #fff; padding: 50px; border-radius: 8px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
.info-box p { font-size: 1.2rem; margin-bottom: 20px; display: flex; align-items: center; }
.info-box strong { color: var(--secondary-dark); min-width: 150px; display: inline-block; }

.alert-box {
    background-color: rgba(212, 175, 55, 0.1);
    border-left: 5px solid var(--gold-accent);
    padding: 25px; margin-top: 40px;
    font-size: 1.15rem; color: var(--secondary-dark); font-weight: 500;
}

/* --- Footer --- */
footer { background-color: var(--primary-dark); color: #888; text-align: center; padding: 40px 0; border-top: 1px solid #333; }
footer p { font-size: 1rem; margin-bottom: 10px; }

/* --- Mobil Optimizasyon (Responsive) --- */
@media (max-width: 992px) {
    .hero h1 { font-size: 3rem; }
    .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    header { padding: 15px 0; }
    .nav-flex { flex-direction: column; gap: 15px; }
    nav ul { flex-wrap: wrap; justify-content: center; gap: 15px; }
    .hero { height: 60vh; }
    .hero h1 { font-size: 2.2rem; }
    .hero p { font-size: 1.1rem; }
    .section { padding: 60px 0; }
    .section-title { font-size: 2.2rem; }
}