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

/* Culori principale */
:root {
    --primary: #0d3b66;
    --secondary: #1d70a2;
    --accent: #f4d35e;
    --light: #f8f9fa;
    --dark: #1b1b1b;
    --text: #333;
}

/* Stil general */
body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: var(--light);
    color: var(--text);
    line-height: 1.6;
}

/* Container */
.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

/* Header */
header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: 0.3s;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    background-color: var(--accent);
    color: var(--dark);
    font-weight: bold;
    padding: 10px;
    border-radius: 50%;
}

/* Meniu */
.nav-links {
    display: flex;
    list-style: none;
    gap: 20px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
}

.nav-links a:hover {
    color: var(--accent);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0,0,0,0.5),
    rgba(0,0,0,0.5)),
    url('https://images.unsplash.com/photo-1513735492246-483525079686?auto=format&fit=crop&w=1400&q=80');
    
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 120px 20px;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero p {
    max-width: 800px;
    margin: auto;
    margin-bottom: 30px;
    font-size: 1.2rem;
}

/* Buton */
.btn {
    display: inline-block;
    background-color: var(--accent);
    color: var(--dark);
    padding: 12px 25px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
}

.btn:hover {
    background-color: white;
    transform: scale(1.05);
}

/* Titluri secțiuni */
.section-title {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2.2rem;
    color: var(--primary);
}

/* Orașe */
.cities {
    padding: 70px 0;
}

.city-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.city-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: 0.3s;
}

.city-card:hover {
    transform: translateY(-10px);
}

.city-img {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    text-align: center;
    padding: 20px;
    font-size: 1.5rem;
    font-weight: bold;
}

.city-content {
    padding: 20px;
}

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

.city-content ul {
    margin: 15px 0;
    padding-left: 20px;
}

.city-content img {
    width: 100%;
    border-radius: 10px;
    margin-top: 15px;
}

/* Secțiuni informații */
.section {
    background: white;
    margin: 30px 0;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.section h2 {
    color: var(--primary);
    margin-bottom: 20px;
}

.section h3 {
    color: var(--secondary);
    margin-bottom: 10px;
}

/* Box evidențiat */
.highlight-box {
    background: #eef6fb;
    border-left: 5px solid var(--secondary);
    padding: 15px;
    margin: 20px 0;
    border-radius: 8px;
}

/* Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

/* Bibliografie */
.bibliography {
    padding: 60px 0;
    background: linear-gradient(135deg, #eef6fb 0%, #f8f9fa 100%);
}

.biblio-list {
    background: white;
    padding: 30px 30px 30px 60px;
    border-radius: 15px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
    border-left: 5px solid var(--accent);
    max-width: 900px;
    margin: 0 auto;
}

.biblio-list li {
    margin-bottom: 12px;
    padding-left: 8px;
    line-height: 1.7;
    color: var(--text);
}

.biblio-list li strong {
    color: var(--primary);
}

.biblio-note {
    text-align: center;
    margin-top: 20px;
    font-style: italic;
    color: var(--secondary);
    font-size: 0.95rem;
}

/* Footer */
footer {
    background: var(--dark);
    color: white;
    padding: 50px 0;
    margin-top: 50px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.footer-col h3 {
    margin-bottom: 15px;
    color: var(--accent);
}

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

.footer-col li {
    margin-bottom: 10px;
}

/* Linkuri */
a {
    text-decoration: none;
}

.city-content a {
    color: var(--secondary);
    font-weight: bold;
}

.city-content a:hover {
    color: var(--primary);
}

/* Responsive */
@media(max-width: 768px) {

    nav {
        flex-direction: column;
        gap: 15px;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .nav-links {
        flex-direction: column;
        text-align: center;
    }
}