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

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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(45deg, #00ff87 0%, #60efff 25%, #7b2ff7 50%, #f700ff 75%, #00ff87 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    color: #1a1a1a;
    min-height: 100vh;
    line-height: 1.7;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

header {
    background: rgba(255, 255, 255, 0.95);
    padding: 1.2rem 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, #00ff87, #60efff, #7b2ff7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

nav ul li a {
    color: #2a2a2a;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    position: relative;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #00ff87, #60efff);
    transition: width 0.3s;
}

nav ul li a:hover::after {
    width: 80%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: linear-gradient(90deg, #00ff87, #60efff);
    border-radius: 3px;
    transition: all 0.3s;
}

main {
    max-width: 1300px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.hero {
    text-align: center;
    padding: 4rem 2rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 30px;
    margin-bottom: 2.5rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.hero h1 {
    font-size: 3.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, #00ff87, #60efff, #7b2ff7, #f700ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.2rem;
}

.hero p {
    font-size: 1.25rem;
    color: #555;
    max-width: 750px;
    margin: 0 auto;
}

.content-section {
    background: rgba(255, 255, 255, 0.95);
    padding: 3rem 2.5rem;
    border-radius: 25px;
    margin-bottom: 2rem;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.1);
}

.content-section h2 {
    background: linear-gradient(135deg, #00ff87, #60efff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.content-section h3 {
    color: #7b2ff7;
    font-size: 1.6rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.content-section p {
    color: #444;
    margin-bottom: 1rem;
}

.notice-box {
    background: linear-gradient(135deg, rgba(255, 0, 119, 0.1), rgba(247, 0, 255, 0.1));
    border: 3px solid #f700ff;
    border-radius: 20px;
    padding: 2rem;
    margin: 2rem 0;
}

.notice-box h3 {
    color: #f700ff;
    margin-top: 0;
}

.notice-box ul {
    margin-left: 2rem;
    margin-top: 1rem;
}

.notice-box li {
    margin: 0.7rem 0;
    color: #d400ff;
}

.game-container {
    background: rgba(255, 255, 255, 0.95);
    padding: 2.5rem;
    border-radius: 25px;
    margin: 3rem 0;
    text-align: center;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.1);
}

.game-container iframe {
    width: 100%;
    max-width: 900px;
    height: 600px;
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.feature-card {
    background: linear-gradient(135deg, rgba(0, 255, 135, 0.15), rgba(96, 239, 255, 0.15));
    padding: 2rem;
    border-radius: 20px;
    border: 2px solid rgba(0, 255, 135, 0.3);
    transition: all 0.4s;
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 45px rgba(0, 255, 135, 0.3);
    border-color: #00ff87;
}

.feature-card h3 {
    color: #00c965;
    margin-top: 0;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #555;
}

footer {
    background: rgba(255, 255, 255, 0.95);
    padding: 3rem 2rem;
    margin-top: 4rem;
    border-top: 4px solid;
    border-image: linear-gradient(90deg, #00ff87, #60efff, #7b2ff7) 1;
}

.footer-content {
    max-width: 1300px;
    margin: 0 auto;
    text-align: center;
}

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

.footer-links a {
    color: #7b2ff7;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.footer-links a:hover {
    color: #00ff87;
}

/* Age Verification Modal */
.age-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.age-modal.active {
    display: flex;
}

.age-modal-content {
    background: linear-gradient(135deg, #00ff87, #60efff);
    padding: 3rem;
    border-radius: 30px;
    text-align: center;
    max-width: 500px;
    box-shadow: 0 0 80px rgba(0, 255, 135, 0.6);
}

.age-modal-content h2 {
    color: #1a1a1a;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.age-modal-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #2a2a2a;
}

.age-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.age-buttons button {
    padding: 1rem 3rem;
    font-size: 1.2rem;
    font-weight: 700;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s;
    font-family: 'Poppins', sans-serif;
}

.btn-yes {
    background: #2a2a2a;
    color: #00ff87;
}

.btn-yes:hover {
    background: #1a1a1a;
    transform: scale(1.08);
}

.btn-no {
    background: #f700ff;
    color: white;
}

.btn-no:hover {
    background: #d400ff;
    transform: scale(1.08);
}

/* Mobile Styles */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    nav ul {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        max-width: 300px;
        background: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        padding: 2rem;
        transition: right 0.3s;
        border-left: 4px solid #00ff87;
        height: calc(100vh - 70px);
    }

    nav ul.active {
        right: 0;
    }

    nav ul li {
        margin: 1rem 0;
    }

    .hero h1 {
        font-size: 2.8rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .content-section {
        padding: 2rem 1.5rem;
    }

    .game-container iframe {
        height: 400px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .age-modal-content {
        margin: 1rem;
        padding: 2rem;
    }

    .age-modal-content h2 {
        font-size: 2rem;
    }

    .age-buttons {
        flex-direction: column;
    }

    .age-buttons button {
        width: 100%;
    }
}