/* Palette: Bosphorus Blue, Turquoise, White, Stone */
:root {
    --navy: #002F4B;
    --turquoise: #40E0D0;
    --seafoam: #E0F7FA;
    --white: #FFFFFF;
    --stone: #F2F2F2;
    --text: #333333;
    
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Montserrat', sans-serif;
}

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

body {
    background-color: var(--white);
    color: var(--text);
    font-family: var(--font-sans);
    line-height: 1.6;
}

.container { width: 90%; max-width: 1200px; margin: 0 auto; }
.section-padding { padding: 80px 0; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
img { max-width: 100%; height: auto; display: block; border-radius: 4px; }

/* Header */
.city-header { padding: 20px 0; background: var(--white); box-shadow: 0 2px 10px rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 1000; border-top: 5px solid var(--navy); }
.header-row { display: flex; justify-content: space-between; align-items: center; }

.logo { font-family: var(--font-serif); font-size: 1.5rem; color: var(--navy); font-weight: 700; letter-spacing: 1px; }
.wave-icon { color: var(--turquoise); margin: 0 5px; font-weight: bold; }

.sea-nav a { margin-left: 25px; font-weight: 500; color: #555; text-transform: uppercase; font-size: 0.85rem; letter-spacing: 1px; }
.sea-nav a:hover, .sea-nav a.active { color: var(--turquoise); }

.weather-widget { font-size: 0.9rem; color: var(--navy); font-weight: 600; background: var(--seafoam); padding: 5px 15px; border-radius: 20px; display: flex; gap: 10px; }
.loc { opacity: 0.7; }

.mobile-toggle { display: none; background: transparent; border: 1px solid var(--navy); padding: 5px 10px; cursor: pointer; color: var(--navy); }

/* Mobile Menu */
.mobile-menu { position: fixed; top: 0; right: -100%; width: 300px; height: 100%; background: var(--navy); z-index: 2000; padding: 50px; transition: 0.3s; }
.mobile-menu.active { right: 0; }
.close-btn { background: none; border: none; font-size: 1rem; color: var(--white); margin-bottom: 30px; cursor: pointer; border-bottom: 1px solid var(--white); }
.mobile-menu a { display: block; font-family: var(--font-serif); font-size: 1.5rem; color: var(--white); margin-bottom: 20px; }

@media (max-width: 900px) {
    .sea-nav, .weather-widget { display: none; }
    .mobile-toggle { display: block; }
}

/* Hero */
.hero-bosphorus { height: 85vh; position: relative; display: flex; align-items: center; justify-content: center; text-align: center; }
.hero-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-size: cover; background-position: center; z-index: 0; }
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 47, 75, 0.4); z-index: 1; }
.hero-content { position: relative; z-index: 2; color: var(--white); max-width: 800px; }

.welcome-badge { font-family: var(--font-sans); letter-spacing: 4px; font-size: 0.9rem; display: block; margin-bottom: 20px; text-transform: uppercase; }
.hero-content h1 { font-family: var(--font-serif); font-size: 4rem; line-height: 1.1; margin-bottom: 20px; text-shadow: 0 2px 10px rgba(0,0,0,0.3); }
.hero-content p { font-size: 1.3rem; margin-bottom: 40px; font-weight: 300; }

.hero-search { background: var(--white); padding: 10px; border-radius: 50px; display: flex; max-width: 500px; margin: 0 auto; box-shadow: 0 10px 30px rgba(0,0,0,0.2); }
.hero-search input { border: none; flex: 1; padding: 10px 20px; font-family: var(--font-sans); outline: none; border-radius: 50px; }
.hero-search button { background: var(--turquoise); color: var(--white); border: none; padding: 10px 30px; border-radius: 50px; font-weight: 600; cursor: pointer; transition: 0.3s; }
.hero-search button:hover { background: var(--navy); }

/* Destinations */
.section-title h2 { font-family: var(--font-serif); font-size: 2.5rem; color: var(--navy); margin-bottom: 10px; }
.seagull-divider { color: var(--turquoise); font-size: 1.2rem; margin-bottom: 40px; font-weight: 700; }
.text-center { text-align: center; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.dest-card { display: block; position: relative; border-radius: 8px; overflow: hidden; height: 350px; }
.dest-card img { width: 100%; height: 100%; object-fit: cover; transition: 0.5s; }
.dest-card:hover img { transform: scale(1.1); }
.card-info { position: absolute; bottom: 0; left: 0; width: 100%; padding: 20px; background: linear-gradient(transparent, rgba(0,0,0,0.8)); color: var(--white); }
.card-info h3 { font-family: var(--font-serif); margin-bottom: 5px; font-size: 1.5rem; }
.card-info p { font-size: 0.9rem; opacity: 0.9; }

/* Tips Strip */
.tips-strip { background: var(--navy); color: var(--white); padding: 60px 0; margin-top: 50px; text-align: center; }
.tip-content { max-width: 700px; margin: 0 auto; }
.tag { background: var(--turquoise); padding: 5px 10px; font-size: 0.7rem; font-weight: 700; border-radius: 4px; display: inline-block; margin-bottom: 15px; }
.tip-content h3 { font-family: var(--font-serif); font-size: 2rem; margin-bottom: 15px; }
.tip-content p { margin-bottom: 30px; font-weight: 300; }
.btn-outline-white { border: 1px solid var(--white); color: var(--white); padding: 10px 25px; border-radius: 20px; font-size: 0.9rem; font-weight: 600; }
.btn-outline-white:hover { background: var(--white); color: var(--navy); }

/* Guide Page */
.guide-grid { display: flex; flex-direction: column; gap: 60px; }
.guide-item { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.guide-item.reverse { direction: rtl; }
.guide-item.reverse .g-text { direction: ltr; }
.district { color: var(--turquoise); font-weight: 700; font-size: 0.9rem; letter-spacing: 1px; display: block; margin-bottom: 10px; }
.g-text h3 { font-family: var(--font-serif); font-size: 2rem; color: var(--navy); margin-bottom: 15px; line-height: 1.2; }
.g-text p { color: #666; margin-bottom: 20px; }
.read-link { color: var(--navy); border-bottom: 1px solid var(--turquoise); font-weight: 600; }

/* Food Page */
.food-categories { display: flex; justify-content: center; gap: 15px; margin-bottom: 40px; flex-wrap: wrap; }
.cat-btn { background: var(--stone); border: none; padding: 10px 20px; border-radius: 20px; cursor: pointer; font-family: var(--font-sans); font-weight: 600; color: #555; transition: 0.3s; }
.cat-btn.active, .cat-btn:hover { background: var(--navy); color: var(--white); }

.food-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.food-card { text-align: center; position: relative; }
.food-card img { width: 100%; height: 200px; object-fit: cover; border-radius: 8px; margin-bottom: 15px; }
.f-badge { position: absolute; top: 10px; right: 10px; background: var(--turquoise); color: var(--white); font-size: 0.7rem; padding: 3px 8px; border-radius: 4px; font-weight: 700; }
.food-card h3 { font-family: var(--font-serif); color: var(--navy); margin-bottom: 5px; }
.food-card p { font-size: 0.9rem; color: #666; }

/* Transport */
.transport-info { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.t-text h1 { font-family: var(--font-serif); font-size: 2.5rem; color: var(--navy); margin-bottom: 20px; }
.blue-line { width: 60px; height: 4px; background: var(--turquoise); margin-bottom: 30px; }
.lines-list { list-style: none; margin-top: 20px; margin-bottom: 30px; }
.lines-list li { margin-bottom: 15px; display: flex; align-items: center; gap: 10px; }
.line-badge { width: 60px; text-align: center; color: var(--white); font-weight: 700; font-size: 0.8rem; padding: 3px 0; border-radius: 4px; }
.line-badge.green { background: #009639; }
.line-badge.blue { background: #0060A8; }
.line-badge.orange { background: #F18E00; }
.line-badge.navy { background: var(--navy); }
.btn-blue { background: var(--navy); color: var(--white); padding: 12px 30px; border-radius: 4px; font-weight: 600; display: inline-block; }

/* Contact Form */
.contact-simple { max-width: 600px; margin: 0 auto; text-align: center; }
.contact-simple h2 { font-family: var(--font-serif); font-size: 2.5rem; color: var(--navy); margin-bottom: 10px; }
.clean-form { margin-top: 30px; text-align: left; }
.clean-form input, .clean-form textarea { width: 100%; padding: 15px; border: 1px solid #ddd; background: var(--stone); margin-bottom: 20px; border-radius: 4px; font-family: var(--font-sans); }
.clean-form button { width: 100%; background: var(--turquoise); color: var(--white); border: none; padding: 15px; font-weight: 700; cursor: pointer; transition: 0.3s; }
.clean-form button:hover { background: var(--navy); }

/* Footer */
.city-footer { background: var(--stone); color: #555; padding: 60px 0 20px; margin-top: 100px; }
.footer-content { display: flex; justify-content: space-between; align-items: center; margin-bottom: 40px; }
.f-brand h4 { font-family: var(--font-serif); color: var(--navy); font-size: 1.5rem; margin-bottom: 5px; }
.f-social a { margin-left: 20px; color: #555; font-weight: 500; }
.f-social a:hover { color: var(--turquoise); }
.copyright { text-align: center; font-size: 0.8rem; border-top: 1px solid #ddd; padding-top: 20px; }

@media (max-width: 900px) {
    .hero-content h1 { font-size: 3rem; }
    .hero-search { flex-direction: column; background: transparent; box-shadow: none; }
    .hero-search input { border-radius: 4px; margin-bottom: 10px; }
    .hero-search button { border-radius: 4px; }
    .grid-3, .guide-item, .food-grid, .transport-info { grid-template-columns: 1fr; }
    .footer-content { flex-direction: column; gap: 20px; text-align: center; }
}