/* style.css - MAVI 360 KURUMSAL TEMA (REVIZE) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-body: #ffffff;
    --text-main: #0f172a;
    --text-muted: #475569;
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --border-color: #e2e8f0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    padding-top: 80px;
}

/* --- NAVBAR (Her zaman Beyaz ve Okunur) --- */
.navbar {
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
    transition: 0.3s;
    /* Sticky olduğunda her zaman gölge olsun ki ayrışsın */
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}
.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text-main) !important;
    letter-spacing: -0.5px;
}
.nav-link {
    color: var(--text-main) !important;
    font-weight: 600;
    font-size: 0.95rem;
    margin: 0 15px;
    transition: 0.2s;
}
.nav-link:hover { color: var(--primary) !important; }

.btn-nav {
    background: var(--text-main);
    color: white !important;
    font-weight: 600;
    padding: 10px 24px;
    border-radius: 8px;
    transition: 0.3s;
}
.btn-nav:hover {
    background: var(--primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

/* --- HERO SECTION (Sol Yazı - Sağ Resim) --- */
.hero-section {
    padding: 140px 0 80px 0; /* Navbar payı */
    background: radial-gradient(circle at 0% 0%, #eff6ff 0%, #ffffff 60%);
    overflow: hidden;
}
.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: #eef2ff;
    color: var(--primary);
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 20px;
    border: 1px solid #c7d2fe;
}
.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1px;
    margin-bottom: 20px;
    color: #0f172a;
}
.hero-desc {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 30px;
    font-weight: 400;
}
/* Hero Butonları */
.btn-primary-xl {
    background: var(--primary);
    color: white;
    padding: 15px 35px;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    display: inline-block;
    transition: 0.3s;
    box-shadow: 0 10px 25px rgba(79, 70, 229, 0.2);
}
.btn-primary-xl:hover {
    background: var(--primary-hover);
    color: white;
    transform: translateY(-2px);
}
.btn-outline-xl {
    background: white;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 15px 35px;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    display: inline-block;
    transition: 0.3s;
    margin-left: 10px;
}
.btn-outline-xl:hover { border-color: var(--text-main); background: var(--text-main); color: white; }

/* --- ANALYSIS SECTION (Form Alanı) --- */
.analysis-section {
    background: #0f172a; /* Koyu Lacivert Zemin */
    padding: 80px 0;
    color: white;
    position: relative;
}
.analysis-form-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    color: var(--text-main);
    box-shadow: 0 20px 50px rgba(0,0,0,0.2);
}

/* --- SERVICES --- */
.section-padding { padding: 100px 0; }
.service-card {
    background: white;
    border: 1px solid var(--border-color);
    padding: 35px;
    border-radius: 16px;
    transition: 0.3s;
    height: 100%;
}
.service-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.08);
}
.service-icon {
    font-size: 2rem; color: var(--primary); margin-bottom: 20px;
}
.service-link { color: var(--primary); font-weight: 700; text-decoration: none; }

/* --- FOOTER (BEYAZ TEMA) --- */
footer {
    background: #ffffff;
    border-top: 1px solid var(--border-color);
    padding: 80px 0 30px 0;
    color: var(--text-main);
}
.footer-desc { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 20px; line-height: 1.6; }
.footer-heading { color: var(--text-main); font-weight: 800; margin-bottom: 20px; font-size: 1.1rem; }
.footer-link { color: var(--text-muted); text-decoration: none; display: block; margin-bottom: 12px; font-size: 0.95rem; transition: 0.2s; }
.footer-link:hover { color: var(--primary); padding-left: 5px; }

/* Partner Logoları */
.partner-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    align-items: center;
}
.partner-logo-box {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 15px;
    display: flex; align-items: center; justify-content: center;
    transition: 0.3s;
}
.partner-logo-box:hover { border-color: var(--primary); }
.partner-logo-img { max-width: 100%; height: auto; filter: grayscale(100%); opacity: 0.7; transition: 0.3s; }
.partner-logo-box:hover .partner-logo-img { filter: grayscale(0%); opacity: 1; }

/* Mobil */
@media (max-width: 991px) {
    .hero-title { font-size: 2.5rem; }
    .hero-section { text-align: center; }
    .btn-outline-xl { margin-left: 0; margin-top: 15px; display: block; }
    .btn-primary-xl { display: block; }
}