/* --- Değişkenler --- */
:root {
    --color-turq: #006d77;      /* Boğaz Mavisi/Turkuazı */
    --color-turq-light: #83c5be;
    --color-bg: #edf6f9;        /* Çok açık mavi/beyaz */
    --color-white: #ffffff;
    --color-text: #2d3436;      /* Koyu Gri */
    --color-silver: #e5e5e5;
    
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Raleway', sans-serif;
    
    --radius: 8px;
    --shadow: 0 10px 30px rgba(0, 109, 119, 0.1);
}

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    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: var(--radius); }

/* --- Top Bar --- */
.top-bar { background-color: var(--color-text); color: var(--color-white); padding: 8px 0; font-size: 0.85rem; }
.bar-content { display: flex; justify-content: space-between; align-items: center; }
.bar-right a { color: var(--color-turq-light); }

/* --- Header --- */
.bosphorus-header {
    background-color: var(--color-white);
    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-flex { display: flex; justify-content: space-between; align-items: center; }

.logo { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; color: var(--color-text); display: flex; align-items: center; gap: 5px; letter-spacing: -0.5px; }
.bridge-icon { font-family: 'Material Icons', sans-serif; display: none; } /* SVG kullanılabilir */
.turq-text { color: var(--color-turq); }

.modern-nav ul { display: flex; gap: 30px; align-items: center; }
.modern-nav a { font-weight: 600; color: var(--color-text); font-size: 0.95rem; }
.modern-nav a:hover, .modern-nav a.active { color: var(--color-turq); }

.btn-turq { background-color: var(--color-turq); color: var(--color-white) !important; padding: 10px 25px; border-radius: 30px; font-weight: 600; box-shadow: 0 4px 10px rgba(0, 109, 119, 0.2); }
.btn-turq:hover { background-color: #005f68; transform: translateY(-2px); }

.menu-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; }
.menu-toggle span { width: 25px; height: 3px; background-color: var(--color-turq); border-radius: 2px; }

/* --- Mobile Menu --- */
.mobile-menu {
    position: fixed; top: 0; right: -100%; width: 100%; height: 100%;
    background-color: var(--color-turq); z-index: 2000;
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    transition: 0.4s ease;
}
.mobile-menu.active { right: 0; }
.close-menu { position: absolute; top: 20px; right: 20px; font-size: 2rem; color: #fff; background: none; border: none; cursor: pointer; }
.menu-links a { display: block; font-size: 1.5rem; color: #fff; margin: 15px 0; font-weight: bold; text-align: center; }

/* --- Hero (Split) --- */
.hero-split { display: grid; grid-template-columns: 1fr 1fr; height: 600px; overflow: hidden; }
.hero-image { position: relative; height: 100%; }
.hero-image img { width: 100%; height: 100%; object-fit: cover; border-radius: 0; }
.overlay-gradient { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(to right, rgba(0, 109, 119, 0.4), rgba(0,0,0,0)); }

.hero-content { display: flex; flex-direction: column; justify-content: center; padding: 50px; background-color: var(--color-white); }
.tag-modern { color: var(--color-turq); font-weight: bold; letter-spacing: 2px; font-size: 0.8rem; margin-bottom: 20px; display: block; }
.hero-content h1 { font-family: var(--font-heading); font-size: 3.5rem; line-height: 1.1; margin-bottom: 20px; color: var(--color-text); }
.hero-content p { color: #666; font-size: 1.1rem; margin-bottom: 30px; max-width: 500px; }

.hero-buttons { display: flex; gap: 15px; }
.btn { padding: 12px 30px; border-radius: 6px; font-weight: bold; text-align: center; cursor: pointer; border: none; font-family: var(--font-heading); transition: 0.3s; }
.btn-primary { background-color: var(--color-turq); color: #fff; }
.btn-primary:hover { background-color: #005f68; }
.btn-secondary { background-color: transparent; border: 2px solid var(--color-turq); color: var(--color-turq); }
.btn-secondary:hover { background-color: var(--color-turq); color: #fff; }

/* --- Services Grid --- */
.section-padding { padding: 80px 0; }
.section-title { text-align: center; margin-bottom: 60px; }
.section-title h2 { font-family: var(--font-heading); font-size: 2.2rem; color: var(--color-text); margin-bottom: 10px; }
.wave-line { width: 60px; height: 4px; background: var(--color-turq); margin: 0 auto; border-radius: 2px; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.service-card { background: var(--color-white); padding: 40px 30px; border-radius: var(--radius); box-shadow: var(--shadow); transition: 0.3s; position: relative; overflow: hidden; border-bottom: 4px solid transparent; }
.service-card:hover { transform: translateY(-5px); border-bottom-color: var(--color-turq); }
.service-card.highlight { background-color: var(--color-turq); color: #fff; }
.service-card.highlight h3, .service-card.highlight p, .service-card.highlight .link-turq { color: #fff; }
.service-card.highlight .icon-circle { background: rgba(255,255,255,0.2); color: #fff; }

.icon-circle { width: 60px; height: 60px; background: var(--color-bg); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--color-turq); margin-bottom: 20px; }
.service-card h3 { font-family: var(--font-heading); font-size: 1.4rem; margin-bottom: 15px; }
.service-card p { font-size: 0.95rem; color: #666; margin-bottom: 25px; }
.link-turq { font-weight: bold; color: var(--color-turq); font-size: 0.9rem; }

/* --- Stats --- */
.stats-bar { background-color: var(--color-turq); padding: 60px 0; color: #fff; margin-top: 50px; }
.stats-flex { display: flex; justify-content: space-around; text-align: center; flex-wrap: wrap; gap: 30px; }
.stat strong { display: block; font-family: var(--font-heading); font-size: 3rem; margin-bottom: 5px; }
.stat span { font-size: 1.1rem; opacity: 0.9; }

/* --- About & Contact Layouts --- */
.about-grid, .contact-card { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; background: #fff; border-radius: 20px; box-shadow: var(--shadow); overflow: hidden; }
.contact-card { align-items: stretch; }

.text-content, .info-side, .modern-form { padding: 50px; }
.image-content { height: 100%; position: relative; }
.image-frame { padding: 20px; background: var(--color-bg); height: 100%; display: flex; align-items: center; justify-content: center; }
.image-frame img { box-shadow: 0 10px 20px rgba(0,0,0,0.1); max-height: 400px; width: auto; }

.feature-list { list-style: none; margin-top: 20px; }
.feature-list li { margin-bottom: 10px; font-weight: 600; display: flex; align-items: center; gap: 10px; }
.check { color: var(--color-turq); }

.info-side { background-color: var(--color-turq); color: #fff; }
.info-side h3 { font-family: var(--font-heading); font-size: 2rem; margin-bottom: 20px; }
.info-row { display: flex; align-items: center; gap: 15px; margin-bottom: 15px; font-size: 1.1rem; }
.icon { font-size: 1.5rem; }

.modern-form .form-group { margin-bottom: 20px; }
.modern-form label { display: block; margin-bottom: 5px; font-weight: 600; color: var(--color-text); }
.modern-form input, .modern-form select, .modern-form textarea { width: 100%; padding: 12px; border: 1px solid #ddd; border-radius: 4px; font-family: var(--font-body); background: var(--color-bg); }
.modern-form input:focus { border-color: var(--color-turq); outline: none; background: #fff; }
.full-width { width: 100%; }

/* --- Masonry Reviews --- */
.masonry-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.review-box { background: var(--color-white); padding: 30px; border-radius: var(--radius); border: 1px solid #eee; }
.review-box p { font-style: italic; color: #555; margin-bottom: 15px; }
.client-info strong { display: block; color: var(--color-turq); font-family: var(--font-heading); }
.client-info span { font-size: 0.8rem; color: #999; }

/* --- Legal --- */
.policy-container { max-width: 800px; margin: 0 auto; background: #fff; padding: 60px; border-radius: var(--radius); box-shadow: var(--shadow); }
.policy-container h1 { font-family: var(--font-heading); color: var(--color-turq); }
.meta { color: #888; font-style: italic; margin-bottom: 20px; }
.policy-container h3 { color: var(--color-text); margin-top: 30px; margin-bottom: 10px; font-family: var(--font-heading); }

/* --- Footer --- */
.modern-footer { background-color: #262626; color: #fff; padding: 50px 0; margin-top: auto; }
.footer-grid { display: flex; justify-content: space-between; align-items: center; }
.f-logo { font-family: var(--font-heading); font-size: 1.5rem; font-weight: bold; }
.f-links a { color: #ccc; margin-left: 20px; transition: 0.3s; }
.f-links a:hover { color: var(--color-turq); }
.copyright { color: #777; font-size: 0.8rem; }

@media (max-width: 992px) {
    .modern-nav { display: none; }
    .menu-toggle { display: flex; }
    .hero-split { grid-template-columns: 1fr; height: auto; }
    .hero-image { height: 300px; }
    .hero-content { padding: 40px 20px; text-align: center; }
    .hero-content h1 { font-size: 2.5rem; }
    .hero-buttons { justify-content: center; }
    .about-grid, .contact-card { grid-template-columns: 1fr; }
    .footer-grid { flex-direction: column; gap: 20px; }
}