:root {
    --navy: #0a192f;
    --ocean-blue: #0077be;
    --gold: #f39c12;
    --white: #ffffff;
    --light-gray: #f4f4f4;
}

/* Yumuşak Kayma Efekti */
html {
    scroll-behavior: smooth;
}

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

body {
    font-family: 'Roboto', sans-serif;
    color: var(--navy);
    line-height: 1.6;
}

/* Navigasyon */
.ship-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 10%;
    background: var(--navy);
    color: white;
    position: fixed; /* Sayfa kayarken menü yukarıda sabit kalır */
    width: 100%;
    top: 0;
    z-index: 1000;
}

.logo {
    font-family: 'Oswald', sans-serif;
    font-size: 26px;
    letter-spacing: 1px;
}

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

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

.nav-links li { margin-left: 30px; }

.nav-links a {
    text-decoration: none;
    color: #cbd5e0;
    font-size: 14px;
    text-transform: uppercase;
    transition: 0.3s;
}

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

.btn-contact {
    background: var(--gold);
    color: var(--navy) !important;
    padding: 10px 20px;
    font-weight: bold;
    border-radius: 3px;
}

/* Hero Bölümü */
.ship-hero {
    height: 100vh;
    background: url('https://images.unsplash.com/photo-1544449552-75b73b446f00?auto=format&fit=crop&q=80&w=1500') no-repeat center center/cover;
    margin-top: 0;
}

.hero-overlay {
    background: rgba(10, 25, 47, 0.7);
    height: 100%;
    display: flex;
    align-items: center;
    padding-left: 10%;
}

.hero-content { color: white; max-width: 600px; }

.hero-content h1 {
    font-family: 'Oswald', sans-serif;
    font-size: 64px;
    margin: 15px 0;
    line-height: 1.2;
}

.ship-divider {
    width: 80px;
    height: 4px;
    background: var(--gold);
    margin-bottom: 25px;
}

/* Servis Kartları */
.ship-services {
    padding: 100px 10%;
    background: var(--light-gray);
    text-align: center;
    scroll-margin-top: 70px; /* Link tıklandığında menünün altında kalmaması için */
}

.service-cards {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.card {
    background: white;
    padding: 40px 30px;
    flex: 1;
    min-width: 280px;
    border-bottom: 5px solid transparent;
    transition: 0.4s;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.card:hover {
    transform: translateY(-10px);
    border-bottom: 5px solid var(--gold);
}

.card.active {
    background: var(--navy);
    color: white;
}

/* İletişim Formu */
.contact-section {
    padding: 100px 10%;
    background: var(--white);
    text-align: center;
    scroll-margin-top: 70px;
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 30px;
}

.contact-form input, .contact-form select, .contact-form textarea {
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
}

.btn-submit {
    background: var(--navy);
    color: white;
    padding: 15px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    text-transform: uppercase;
    transition: 0.3s;
}

.btn-submit:hover {
    background: var(--ocean-blue);
}