:root {
    --primary: #0056b3;
    --primary-light: #e6f0ff;
    --accent: #ff6b6b;
    --dark: #1a1a1a;
    --light: #f8f9fa;
    --white: #ffffff;
    --gray: #6c757d;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Open Sans', sans-serif;
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
}

h1, h2, h3, h4 {
    font-family: 'Montserrat', sans-serif;
}

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

/* Navbar */
.navbar {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    height: 70px;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--primary);
}

.lang-btn {
    text-decoration: none;
    color: var(--white);
    background: var(--primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

/* Hero */
.hero {
    margin-top: 20px;
    margin-bottom: 40px;
}

.banner-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.banner-img {
    width: 100%;
    display: block;
    transition: transform 0.5s ease;
}

/* Cards */
.card {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow);
    margin-bottom: 40px;
    border: 1px solid rgba(0,0,0,0.02);
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 25px;
    color: var(--dark);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--primary);
    margin-top: 10px;
    border-radius: 2px;
}

.location {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 20px;
}

.calendar-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
}

.calendar-item {
    background: var(--primary-light);
    padding: 25px;
    border-radius: 15px;
    border-left: 5px solid var(--primary);
}

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

/* About */
.about-content p {
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.highlights {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 30px;
}

.highlights li {
    background: var(--light);
    padding: 10px 20px;
    border-radius: 30px;
    font-weight: 600;
    display: flex;
    align-items: center;
    font-size: 0.95rem;
}

.dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    margin-right: 10px;
}

/* Requirements */
.requirements-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 30px;
}

.similarity-warning {
    color: var(--accent);
    font-weight: 700;
    margin-bottom: 20px;
}

.rules-list {
    list-style: none;
}

.rules-list li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

/* Committee */
.committee-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 50px;
}

.committee-card {
    background: var(--white);
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.02);
}

.committee-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.committee-card h4 {
    color: var(--primary);
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.committee-card p {
    color: var(--gray);
    font-size: 0.9rem;
    line-height: 1.4;
}

/* Footer */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 40px 0;
    text-align: center;
    margin-top: 60px;
}

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

@media (max-width: 768px) {
    .section-title {
        font-size: 1.8rem;
    }
    
    .card {
        padding: 25px;
    }
}