@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

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

:root {
    --gradient-start: #667eea;
    --gradient-end: #764ba2;
    --accent-pink: #f093fb;
    --accent-orange: #f5576c;
    --text-dark: #2d3748;
    --text-light: #ffffff;
    --bg-white: #ffffff;
    --bg-light: #f7fafc;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--text-dark);
    line-height: 1.7;
    min-height: 100vh;
}

/* Split Navigation */
.split-header {
    display: flex;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-left {
    flex: 1;
    padding: 1.5rem 3rem;
    display: flex;
    align-items: center;
}

.site-brand {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    letter-spacing: 1px;
}

.header-right {
    display: flex;
    align-items: center;
    padding: 1.5rem 3rem;
}

.main-nav {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.main-nav a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.main-nav a::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    transition: width 0.3s ease;
}

.main-nav a:hover::before {
    width: 100%;
}

.menu-burger {
    display: none;
    cursor: pointer;
    font-size: 1.8rem;
    color: var(--gradient-start);
}

/* Container */
.page-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

/* Hero Split */
.hero-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    background: var(--bg-white);
    border-radius: 20px;
    padding: 4rem;
    margin-bottom: 3rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.hero-text h1 {
    font-size: 3.5rem;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    font-weight: 800;
    line-height: 1.2;
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--text-dark);
    line-height: 1.9;
}

.hero-visual {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-radius: 15px;
    padding: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
}

/* Notice Cards */
.notice-card {
    background: var(--bg-white);
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border-left: 5px solid;
    transition: all 0.3s ease;
}

.notice-card:nth-child(1) {
    border-left-color: var(--gradient-start);
}

.notice-card:nth-child(2) {
    border-left-color: var(--accent-pink);
}

.notice-card:nth-child(3) {
    border-left-color: var(--accent-orange);
}

.notice-card:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.notice-card h3 {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.6rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.notice-card p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-dark);
}

/* Feature Blocks */
.feature-blocks {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.feature-block {
    background: var(--bg-white);
    border-radius: 15px;
    padding: 2.5rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
}

.feature-block:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.3);
}

.feature-block h2 {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.feature-block p {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-dark);
}

/* Game Section */
.game-section {
    background: var(--bg-white);
    border-radius: 20px;
    padding: 3rem;
    margin: 3rem 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.game-section h2 {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.game-section p {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
}

.game-section iframe {
    width: 100%;
    max-width: 950px;
    height: 700px;
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

/* Footer */
.site-footer {
    background: var(--bg-white);
    border-radius: 20px;
    padding: 3rem;
    margin-top: 4rem;
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.08);
}

.footer-body {
    text-align: center;
}

.footer-body h3 {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

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

.footer-links a:hover {
    color: var(--gradient-start);
}

.footer-body p {
    margin: 0.8rem 0;
    color: var(--text-dark);
    font-size: 1.05rem;
}

/* Age Verification Overlay */
.age-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(102, 126, 234, 0.97);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.age-overlay.visible {
    display: flex;
}

.age-box {
    background: var(--bg-white);
    border-radius: 25px;
    padding: 4rem;
    max-width: 600px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.age-box h2 {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 3rem;
    margin-bottom: 2rem;
    font-weight: 800;
}

.age-box p {
    font-size: 1.2rem;
    color: var(--text-dark);
    line-height: 1.9;
    margin-bottom: 1rem;
}

.age-actions {
    display: flex;
    gap: 2rem;
    margin-top: 3rem;
    justify-content: center;
}

.age-button {
    padding: 1.2rem 3rem;
    border: none;
    border-radius: 50px;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.age-button-yes {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
}

.age-button-yes:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.age-button-no {
    background: #e2e8f0;
    color: var(--text-dark);
}

.age-button-no:hover {
    background: #cbd5e0;
}

/* Responsive */
@media (max-width: 968px) {
    .split-header {
        flex-direction: column;
    }

    .header-right {
        display: none;
    }

    .menu-burger {
        display: block;
        position: absolute;
        right: 2rem;
        top: 1.5rem;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 70%;
        background: var(--bg-white);
        flex-direction: column;
        padding: 6rem 2rem;
        transition: right 0.3s ease;
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    }

    .main-nav.active {
        right: 0;
    }

    .hero-split {
        grid-template-columns: 1fr;
        padding: 2rem;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .game-section iframe {
        height: 500px;
    }

    .footer-links {
        flex-direction: column;
        gap: 1.5rem;
    }
}