:root {
    --primary-color: #0d47a1; /* Kurumsal Mavi */
    --secondary-color: #ff6d00; /* Aksiyon Turuncusu */
    --text-dark: #2c3e50;
    --bg-light: #f8f9fa;
    --white: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-light);
    color: var(--text-dark);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    background: var(--white);
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
    letter-spacing: -1px;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: 0.3s;
}

.btn-login {
    background: var(--primary-color);
    color: white !important;
    padding: 10px 20px;
    border-radius: 5px;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(13, 71, 161, 0.8), rgba(13, 71, 161, 0.8)), 
                url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero h1 { font-size: 3rem; margin-bottom: 15px; }

.search-box {
    background: white;
    padding: 10px;
    border-radius: 50px;
    display: flex;
    margin-top: 30px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.input-group {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    border-right: 1px solid #eee;
}

.input-group i { color: #888; margin-right: 10px; }

.input-group input {
    border: none;
    outline: none;
    font-size: 16px;
    width: 200px;
}

.btn-search {
    background: var(--secondary-color);
    border: none;
    padding: 15px 35px;
    color: white;
    border-radius: 40px;
    cursor: pointer;
    font-weight: bold;
    margin-left: 10px;
}

/* Categories */
.section-title { margin: 50px 0 30px; }

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
}

.cat-card {
    background: white;
    padding: 30px;
    text-align: center;
    border-radius: 12px;
    transition: 0.3s;
    cursor: pointer;
    border: 1px solid #eee;
}

.cat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.cat-card i {
    font-size: 30px;
    display: block;
    margin-bottom: 15px;
    color: var(--primary-color);
}

/* Responsive */
@media (max-width: 768px) {
    .search-box { flex-direction: column; border-radius: 15px; }
    .input-group { border-right: none; border-bottom: 1px solid #eee; }
    .nav-links { display: none; }
    .hero h1 { font-size: 2rem; }
}

/* Koyu Tema Değişkenleri */
body.dark-theme {
    --bg-light: #0f172a;
    --white: #1e293b;
    --text-dark: #f1f5f9;
}

.theme-btn {
    background: none;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 8px 12px;
    border-radius: 5px;
    cursor: pointer;
    margin-right: 15px;
}

body.dark-theme .theme-btn {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

/* Ülke Kartları Tasarımı */
.country-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.country-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: 0.3s ease;
    border: 1px solid rgba(0,0,0,0.05);
}

.country-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.country-img {
    height: 160px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.country-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--secondary-color);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
}

.country-info {
    padding: 20px;
}

.country-info h3 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

body.dark-theme .country-info h3 { color: #60a5fa; }

.country-stats {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: #64748b;
}

/* Filtre Paneli Tasarımı */
.filter-panel {
    margin: -40px auto 40px; /* Hero'nun üzerine hafif taşma efekti */
    position: relative;
    z-index: 10;
}

.filter-wrapper {
    background: var(--white);
    padding: 25px;
    border-radius: 15px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    align-items: flex-end;
    border: 1px solid rgba(0,0,0,0.05);
}

.filter-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-item label {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

body.dark-theme .filter-item label { color: var(--secondary-color); }

.filter-item select {
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #ddd;
    background: var(--bg-light);
    color: var(--text-dark);
    font-size: 15px;
    outline: none;
    transition: 0.3s;
}

.filter-item select:focus {
    border-color: var(--primary-color);
}

.filter-item select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-apply-filters {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 15px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    transition: 0.3s;
}

.btn-apply-filters:hover {
    background: #0a3a82;
    transform: scale(1.02);
}

@media (max-width: 768px) {
    .filter-panel { margin-top: 20px; }
}

:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --accent: #f59e0b;
    --glass: rgba(255, 255, 255, 0.9);
    --dark-bg: #0f172a;
}

/* Hero Modernizasyonu */
.hero {
    position: relative;
    background: url('https://images.unsplash.com/photo-1497215728101-856f4ea42174?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
    height: 85vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(37, 99, 235, 0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: left;
}

.badge-new {
    background: var(--accent);
    color: #000;
    padding: 6px 15px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 20px;
    display: inline-block;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    color: white;
    line-height: 1.1;
}

/* Premium Filtre Çubuğu (Glassmorphism) */
.premium-filter {
    background: var(--glass);
    backdrop-filter: blur(10px);
    margin-top: 40px;
    padding: 10px;
    border-radius: 16px;
    display: flex;
    gap: 10px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255,255,255,0.3);
}

.filter-group {
    flex: 1;
    display: flex;
    align-items: center;
    padding: 10px 15px;
    background: white;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.filter-group i { color: var(--primary); margin-right: 12px; }

.filter-group select, .filter-group input {
    border: none;
    outline: none;
    width: 100%;
    font-size: 15px;
    color: #334155;
    background: transparent;
}

.btn-main-search {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0 30px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
}

.btn-main-search:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Responsive Düzenleme */
@media (max-width: 992px) {
    .premium-filter { flex-direction: column; padding: 20px; }
    .hero { height: auto; padding: 120px 0 60px; }
}

/* Footer Styles */
.main-footer {
    background-color: #0f172a; /* Çok koyu lacivert - Profesyonel */
    color: #94a3b8;
    padding-top: 80px;
    margin-top: 100px;
    border-top: 4px solid var(--primary);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 50px;
}

.footer-brand .logo {
    color: #fff;
    margin-bottom: 20px;
    display: block;
}

.footer-brand p {
    line-height: 1.6;
    margin-bottom: 25px;
    font-size: 14px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 35px;
    height: 35px;
    background: rgba(255,255,255,0.05);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: 0.3s;
    text-decoration: none;
}

.social-links a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-links h4, .footer-newsletter h4 {
    color: #fff;
    margin-bottom: 25px;
    font-size: 18px;
    font-weight: 600;
}

.footer-links ul {
    list-style: none;
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 14px;
    transition: 0.3s;
}

.footer-links ul li a:hover {
    color: var(--primary);
    padding-left: 5px;
}

/* Newsletter Box */
.newsletter-box {
    display: flex;
    background: rgba(255,255,255,0.05);
    padding: 5px;
    border-radius: 8px;
    margin-top: 20px;
}

.newsletter-box input {
    background: transparent;
    border: none;
    padding: 10px;
    color: #fff;
    flex: 1;
    outline: none;
}

.newsletter-box button {
    background: var(--primary);
    border: none;
    color: white;
    padding: 10px 15px;
    border-radius: 6px;
    cursor: pointer;
    transition: 0.3s;
}

.newsletter-box button:hover {
    background: var(--primary-dark);
}

/* Footer Bottom */
.footer-bottom {
    background: rgba(0,0,0,0.2);
    padding: 25px 0;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}

.payment-methods {
    display: flex;
    gap: 15px;
    font-size: 24px;
    opacity: 0.6;
}

/* Responsive Footer */
@media (max-width: 992px) {
    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    .footer-top {
        grid-template-columns: 1fr;
    }
    .footer-bottom-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}