:root {
    --primary-color: #6366f1;
    --accent-color: #f43f5e;
    --text-color: #e2e8f0;
    --background-color: #0f172a;
    --card-bg: #1e293b;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #6366f1 0%, #818cf8 100%);
}

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

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.0;
    color: var(--text-color);
    background: var(--background-color);
    min-height: 100vh;
    position: relative;
    display: flex;
    flex-direction: column;
}

.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
    opacity: 0.8;
    z-index: -1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
    flex: 1;
}

.content {
    background-color: var(--card-bg);
    border-radius: 20px;
    padding: 1rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.header-section {
    text-align: center;
    margin-bottom: 2rem;
}

.logo-badge {
    display: inline-block;
    margin-bottom: 1rem;
}

.premium-tag {
    background: linear-gradient(45deg, #ffd700, #ffa000);
    color: #1a1a1a;
    padding: 0.4rem 1.2rem;
    border-radius: 50px;
    font-weight: bold;
    font-size: 0.9rem;
    letter-spacing: 2px;
    box-shadow: 0 3px 10px rgba(255, 215, 0, 0.2);
}

h1 {
    font-size: 2.5rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 0.8rem;
    font-weight: 700;
    line-height: 1.2;
}

h2 {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    font-weight: 400;
    opacity: 0.9;
    line-height: 1.0;
}

.hero-section {
    margin: 2rem 0;
}

.hero-image {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    position: relative;
}

.main-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transform: scale(1);
    transition: transform 0.5s ease;
}

.hero-image:hover .main-image {
    transform: scale(1.05);
}

.exclusive-tag {
    background: rgba(99, 102, 241, 0.9);
    color: white;
    padding: 0.4rem 1.2rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    position: absolute;
    bottom: 20px;
    right: 20px;
}

.cta-section {
    text-align: center;
    margin: 2rem 0;
}

.join-button {
    background: linear-gradient(45deg, var(--accent-color), #e11d48);
    color: var(--white);
    border: none;
    padding: 1rem 3rem;
    font-size: 1.2rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    font-weight: bold;
    letter-spacing: 1px;
    box-shadow: 0 5px 15px rgba(244, 63, 94, 0.3);
}

.join-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(244, 63, 94, 0.4);
}

.terms-checkbox {
    margin-top: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.terms-checkbox label {
    font-size: 0.9rem;
    color: var(--text-color);
}

.rules-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid rgba(99, 102, 241, 0.2);
}

.rules-section h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
    line-height: 1.2;
}

.rules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.2rem;
}

.rule-group {
    background: rgba(30, 41, 59, 0.5);
    padding: 1.2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.rule-group:hover {
    transform: translateY(-2px);
    background: rgba(30, 41, 59, 0.8);
}

.rule-group h4 {
    color: var(--accent-color);
    margin-bottom: 0.8rem;
    font-size: 1.2rem;
    line-height: 1.3;
}

.rule-group ul {
    list-style: none;
}

.rule-group li {
    margin-bottom: 0.6rem;
    padding-left: 1.2rem;
    position: relative;
    font-size: 0.95rem;
    line-height: 1.4;
}

.rule-group li::before {
    content: "•";
    color: var(--accent-color);
    position: absolute;
    left: 0;
}

.rule-group li.important-note {
    margin-top: 1rem;
    padding: 0.8rem;
    background: rgba(244, 63, 94, 0.1);
    border-left: 3px solid var(--accent-color);
    border-radius: 4px;
}

.gallery-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid rgba(99, 102, 241, 0.2);
}

.gallery-section h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
    line-height: 1.2;
}

.gallery-carousel {
    position: relative;
    max-width: 400px;
    margin: 0 auto;
    aspect-ratio: 9/16;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 15px;
    overflow: hidden;
}

.carousel-item {
    display: none;
    width: 100%;
    height: 100%;
}

.carousel-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 15px;
}

.carousel-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.carousel-nav button {
    background: var(--card-bg);
    color: var(--white);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.carousel-nav button:hover {
    background: var(--primary-color);
}

.footer {
    background: var(--card-bg);
    padding: 2rem 0;
    margin-top: 3rem;
    border-top: 1px solid rgba(99, 102, 241, 0.2);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    text-align: center;
}

.footer p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.8;
}

.footer .copyright {
    margin: 1rem 0;
    font-weight: 600;
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .content {
        padding: 1.5rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.2rem;
    }

    .main-image {
        height: 300px;
    }

    .join-button {
        width: 100%;
    }

    .gallery-carousel {
        max-width: 300px;
    }
}