/* --- Değişkenler --- */
:root {
    --color-navy: #0a192f;      /* Koyu Lacivert */
    --color-blue: #112240;      /* Orta Lacivert */
    --color-silver: #8892b0;    /* Gümüş Gri */
    --color-white: #e6f1ff;     /* Kırık Beyaz */
    --color-bg: #f4f4f4;
    --font-heading: 'Libre Baskerville', serif;
    --font-body: 'Montserrat', sans-serif;
    --shadow: 0 10px 30px -10px rgba(2,12,27,0.7);
}

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: #333;
    line-height: 1.6;
}

a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }
img { max-width: 100%; display: block; border-radius: 4px; }

/* --- Top Bar --- */
.top-bar { background-color: var(--color-navy); color: var(--color-silver); padding: 10px 0; font-size: 0.85rem; }
.bar-flex { display: flex; justify-content: space-between; align-items: center; max-width: 1200px; margin: 0 auto; width: 90%; }
.bar-flex a { color: var(--color-white); }

/* --- Header --- */
.corp-header {
    background-color: #fff;
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky; top: 0; z-index: 1000;
}

.container { width: 90%; max-width: 1200px; margin: 0 auto; }
.header-content { display: flex; justify-content: space-between; align-items: center; }

.logo { font-family: var(--font-heading); font-size: 1.8rem; font-weight: 700; color: var(--color-navy); display: flex; align-items: center; gap: 10px; }
.icon-scale { font-size: 1.5rem; }

.main-nav ul { display: flex; gap: 30px; align-items: center; }
.main-nav a { font-weight: 500; color: var(--color-navy); font-size: 0.95rem; text-transform: uppercase; letter-spacing: 1px; }
.main-nav a:hover, .main-nav a.active { color: #555; }

.btn-navy { background-color: var(--color-navy); color: var(--color-white) !important; padding: 10px 25px; border-radius: 2px; font-weight: 600; border: 1px solid var(--color-navy); }
.btn-navy:hover { background-color: transparent; color: var(--color-navy) !important; }

/* --- Mobile Menu --- */
.mobile-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; }
.mobile-toggle span { width: 25px; height: 3px; background-color: var(--color-navy); }

.mobile-menu {
    position: fixed; top: 0; right: -100%; width: 280px; height: 100%;
    background-color: var(--color-navy); z-index: 2000;
    display: flex; flex-direction: column; padding: 40px; gap: 20px;
    transition: 0.3s ease;
}
.mobile-menu.active { right: 0; }
.close-menu { align-self: flex-end; font-size: 1.5rem; color: #fff; background: none; border: none; cursor: pointer; }
.mobile-menu a { color: var(--color-white); font-size: 1.1rem; border-bottom: 1px solid var(--color-blue); padding-bottom: 10px; }

/* --- Hero --- */
.hero { position: relative; height: 600px; 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: -2;
}
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(10, 25, 47, 0.7); z-index: -1; }

.hero-text { z-index: 1; color: var(--color-white); max-width: 800px; padding: 20px; }
.subtitle { font-family: var(--font-body); letter-spacing: 3px; font-size: 0.9rem; color: var(--color-silver); display: block; margin-bottom: 15px; }
.hero h1 { font-family: var(--font-heading); font-size: 3.5rem; line-height: 1.2; margin-bottom: 20px; color: var(--color-white); }
.highlight { color: #64ffda; }
.hero p { font-size: 1.2rem; color: var(--color-silver); margin-bottom: 30px; max-width: 600px; margin-left: auto; margin-right: auto; }

.hero-actions { display: flex; gap: 20px; justify-content: center; }
.btn-white { background-color: var(--color-white); color: var(--color-navy); padding: 12px 30px; border-radius: 2px; font-weight: bold; border: 2px solid var(--color-white); }
.btn-white:hover { background: transparent; color: var(--color-white); }
.btn-outline { background: transparent; color: var(--color-white); padding: 12px 30px; border-radius: 2px; font-weight: bold; border: 2px solid var(--color-white); }
.btn-outline:hover { background: var(--color-white); color: var(--color-navy); }

/* --- Grid --- */
.section-padding { padding: 80px 0; }
.section-head { text-align: center; margin-bottom: 50px; }
.section-head h2 { font-family: var(--font-heading); font-size: 2.5rem; color: var(--color-navy); margin-bottom: 10px; }
.divider { width: 60px; height: 3px; background-color: var(--color-navy); margin: 0 auto; }

.grid-services { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.service-card { background: #fff; padding: 40px 30px; border-top: 4px solid var(--color-navy); box-shadow: var(--shadow); transition: 0.3s; text-align: center; }
.service-card:hover { transform: translateY(-5px); border-top-color: #64ffda; }
.icon { font-size: 3rem; margin-bottom: 20px; }
.service-card h3 { font-family: var(--font-heading); font-size: 1.5rem; margin-bottom: 15px; color: var(--color-navy); }
.service-card p { color: #666; margin-bottom: 20px; font-size: 0.95rem; }
.read-more { color: var(--color-navy); font-weight: bold; font-size: 0.9rem; }

/* --- Banner --- */
.navy-banner { background-color: var(--color-navy); color: var(--color-white); padding: 60px 0; margin-top: 50px; }
.banner-content { display: flex; justify-content: space-between; align-items: center; }
.b-text h3 { font-family: var(--font-heading); font-size: 1.8rem; margin-bottom: 5px; }
.btn-silver { background-color: var(--color-silver); color: var(--color-navy); padding: 12px 30px; border-radius: 2px; font-weight: bold; }
.btn-silver:hover { background-color: var(--color-white); }

/* --- About & Contact Layouts --- */
.split-view { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.text-content h2 { font-family: var(--font-heading); font-size: 2rem; color: var(--color-navy); margin-bottom: 20px; }
.check-list { list-style: none; margin-top: 20px; }
.check-list li { margin-bottom: 10px; padding-left: 20px; position: relative; font-weight: 500; }
.check-list li::before { content: '✔'; color: var(--color-navy); position: absolute; left: 0; }
.image-content img { box-shadow: 15px 15px 0 var(--color-navy); }

.contact-layout { display: grid; grid-template-columns: 1fr 2fr; gap: 50px; background: #fff; padding: 50px; box-shadow: var(--shadow); }
.info-box h3 { font-family: var(--font-heading); font-size: 1.8rem; margin-bottom: 20px; color: var(--color-navy); }
.info-row { margin-bottom: 15px; font-weight: 500; }
.info-row span { font-weight: 700; color: var(--color-navy); }
.map-placeholder { background: #eee; height: 200px; display: flex; align-items: center; justify-content: center; color: #888; margin-top: 20px; }

.contact-form .form-group { margin-bottom: 20px; }
.contact-form label { display: block; margin-bottom: 5px; font-weight: 600; color: #444; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; padding: 12px; border: 1px solid #ddd; border-radius: 2px; font-family: var(--font-body); }
.contact-form input:focus { border-color: var(--color-navy); outline: none; }
.full-width { width: 100%; cursor: pointer; }

/* --- Testimonials --- */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.review-card { background: #fff; padding: 30px; border: 1px solid #eee; }
.stars { color: #f1c40f; margin-bottom: 10px; }
.review-card p { font-style: italic; color: #666; margin-bottom: 20px; }
.author strong { display: block; color: var(--color-navy); }
.author span { font-size: 0.8rem; color: #888; }

/* --- Legal --- */
.legal-doc { max-width: 800px; margin: 0 auto; background: #fff; padding: 60px; box-shadow: var(--shadow); }
.legal-doc h1 { font-family: var(--font-heading); color: var(--color-navy); }
.legal-doc h3 { margin-top: 30px; margin-bottom: 10px; color: #444; }
.line { width: 100%; height: 1px; background: #ddd; margin: 20px 0; }

/* --- Footer --- */
.main-footer { background-color: #020c1b; color: var(--color-silver); padding: 50px 0; margin-top: auto; }
.footer-grid { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid #233554; padding-bottom: 20px; }
.f-logo { font-family: var(--font-heading); font-size: 1.5rem; font-weight: bold; color: var(--color-white); }
.f-links a { margin-left: 20px; color: var(--color-silver); transition: 0.3s; }
.f-links a:hover { color: #64ffda; }
.copyright { padding-top: 20px; text-align: center; font-size: 0.8rem; }

@media (max-width: 992px) {
    .main-nav { display: none; }
    .mobile-toggle { display: flex; }
    .hero h1 { font-size: 2.5rem; }
    .split-view, .contact-layout, .banner-content { grid-template-columns: 1fr; flex-direction: column; text-align: center; }
    .banner-content { gap: 20px; }
    .hero-bg { background-position: center; }
}