/* style.css - V3.0 (Mobil Uyumlu & Zengin İçerik) */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;700&family=Oswald:wght@500;700&display=swap');

:root {
    --primary: #D3B36B;   /* Güçlü Kırmızı */
    --secondary: #1A1A1A; /* Koyu Gri/Siyah */
    --light: #F4F4F4;
    --text: #333;
    --border: #E0E0E0;
}

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

body { font-family: 'Roboto', sans-serif; color: var(--text); background: #fff; line-height: 1.6; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }
.container { max-width: 1200px; margin: auto; padding: 0 20px; }
.section-title { font-family: 'Oswald', sans-serif; font-size: 2.5rem; text-align: center; margin-bottom: 40px; color: var(--secondary); }
.section-title::after { content: ''; display: block; width: 80px; height: 4px; background: var(--primary); margin: 15px auto 0; }
.btn-cta { background: var(--primary); color: #fff !important; padding: 12px 25px; border-radius: 5px; font-weight: 700; transition: background 0.3s; }
.btn-cta:hover { background: #D3B36B; }

/* HEADER & TOP BAR */
.top-bar { background: var(--secondary); color: #ccc; padding: 10px 0; font-size: 0.85rem; }
.top-flex { display: flex; justify-content: space-between; flex-wrap: wrap; }
.top-flex span { margin: 5px 10px; }

header { background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,0.1); position: sticky; top: 0; z-index: 1000; }
.navbar { display: flex; justify-content: space-between; align-items: center; padding: 15px 0; }
.logo { font-family: 'Oswald', sans-serif; font-size: 2.2rem; font-weight: 700; color: var(--primary); }
.logo span { color: var(--secondary); }
.nav-links { display: flex; gap: 20px; }
.nav-links a { font-family: 'Roboto', sans-serif; font-weight: 500; text-transform: uppercase; color: var(--secondary); }
.nav-links a:hover { color: var(--primary); }

/* HERO */
.hero {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1579621379100-34863c0ed650?auto=format&fit=crop&w=1600&q=80');
    background-size: cover; background-position: center; height: 650px;
    display: flex; align-items: center; text-align: left; color: #fff;
}
.hero-content { max-width: 600px; }
.hero h1 { font-family: 'Oswald', sans-serif; font-size: 4rem; margin-bottom: 20px; line-height: 1.1; }
.hero p { font-size: 1.3rem; margin-bottom: 30px; font-weight: 300; }

/* ANA SAYFA İŞ AKIŞI */
.process-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; text-align: center; }
.process-step { padding: 30px; border: 1px solid var(--border); border-radius: 8px; background: #fff; }
.step-number { font-size: 2rem; color: var(--primary); font-weight: 700; margin-bottom: 10px; }
.process-step h3 { font-family: 'Oswald', sans-serif; margin-bottom: 10px; }

/* DETAY SAYFALARI & SIDEBAR */
.page-layout { display: flex; gap: 40px; margin: 40px 0; }
.sidebar { flex: 1; min-width: 250px; }
.sidebar-box { border: 1px solid var(--border); border-radius: 5px; overflow: hidden; margin-bottom: 30px; }
.sidebar-header { background: var(--primary); color: #fff; padding: 15px 20px; font-family: 'Oswald', sans-serif; }
.sidebar-links a { display: block; padding: 14px 20px; border-bottom: 1px solid var(--border); color: var(--text); font-size: 0.95rem; }
.sidebar-links a:hover, .sidebar-links a.active { background: var(--secondary); color: #fff; }
.content { flex: 3; }
.content img { width: 100%; height: auto; max-height: 450px; object-fit: cover; border-radius: 8px; margin-bottom: 30px; }
.content h2 { font-family: 'Oswald', sans-serif; font-size: 2rem; color: var(--primary); margin: 30px 0 15px; }
.feature-list li { margin-bottom: 10px; padding-left: 20px; position: relative; }
.feature-list li::before { content: '✓'; color: var(--primary); position: absolute; left: 0; font-weight: bold; }

/* İLETİŞİM FORMU */
.form-container { background: var(--light); padding: 40px; border-radius: 8px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 700; }
.form-group input, .form-group textarea { width: 100%; padding: 12px; border: 1px solid var(--border); border-radius: 4px; font-size: 1rem; }
.full-width { grid-column: 1 / -1; }
textarea { resize: vertical; min-height: 150px; }

/* FOOTER (STANDART) */
footer { background: #111; color: #aaa; padding: 60px 0 20px; margin-top: 60px; }
.footer-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 30px; }
.footer-col h4 { font-family: 'Oswald', sans-serif; color: #fff; font-size: 1.3rem; margin-bottom: 20px; border-left: 3px solid var(--primary); padding-left: 10px; }
.footer-col ul li a:hover { color: #fff; }
.contact-info p { margin-bottom: 10px; }
.bottom-bar { text-align: center; margin-top: 40px; padding-top: 20px; border-top: 1px solid #333; }

/* MOBİL UYUMLULUK */
@media(max-width: 992px) {
    .nav-links { display: none; } /* Basitlik için mobil menüyü gizledim */
    .navbar { flex-wrap: wrap; justify-content: center; }
    .page-layout { flex-direction: column; }
    .sidebar { order: 2; width: 100%; }
    .content { order: 1; }
    .hero { height: 450px; text-align: center; }
    .hero-content { max-width: 100%; }
    .hero h1 { font-size: 3rem; }
    .form-grid { grid-template-columns: 1fr; }
}