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

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

:root {
    --dark-bg: #0a0e27;
    --darker: #060916;
    --teal: #00d9ff;
    --cyan: #00fff9;
    --purple: #7b2cbf;
    --silver: #c0c5ce;
    --accent: #00d9ff;
}

body {
    font-family: 'Rajdhani', sans-serif;
    background: var(--dark-bg);
    color: var(--silver);
    min-height: 100vh;
    line-height: 1.6;
}

header {
    background: var(--darker);
    padding: 1rem 2.5rem;
    border-bottom: 2px solid var(--teal);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 30px rgba(0, 217, 255, 0.2);
}

.header-container {
    max-width: 1500px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1.9rem;
    font-weight: 700;
    color: var(--teal);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--teal), var(--purple));
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    color: white;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 0.3rem;
}

nav ul li a {
    color: var(--silver);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    padding: 0.6rem 1.3rem;
    border: 1px solid transparent;
    text-transform: uppercase;
    letter-spacing: 1px;
}

nav ul li a:hover {
    color: var(--teal);
    border: 1px solid var(--teal);
    background: rgba(0, 217, 255, 0.1);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 26px;
    height: 2px;
    background: var(--teal);
    transition: 0.3s;
}

.layout-container {
    max-width: 1500px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 2rem;
    padding: 2rem;
}

.sidebar {
    background: var(--darker);
    padding: 2rem 1.5rem;
    border-right: 2px solid var(--teal);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.sidebar h3 {
    color: var(--teal);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    border-bottom: 2px solid var(--purple);
    padding-bottom: 0.5rem;
}

.sidebar ul {
    list-style: none;
    padding: 0;
}

.sidebar ul li {
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(0, 217, 255, 0.2);
}

.sidebar ul li:before {
    content: "▸ ";
    color: var(--teal);
    font-weight: bold;
}

main {
    padding: 0;
}

.hero-section {
    background: linear-gradient(135deg, var(--darker), var(--purple));
    padding: 3rem 2rem;
    border: 2px solid var(--teal);
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.hero-section:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 217, 255, 0.03) 2px,
        rgba(0, 217, 255, 0.03) 4px
    );
    pointer-events: none;
}

.hero-section h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--teal);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 700;
    position: relative;
}

.hero-section p {
    font-size: 1.2rem;
    line-height: 1.9;
    color: var(--silver);
    position: relative;
}

.alert-box {
    background: rgba(123, 44, 191, 0.2);
    border-left: 4px solid var(--purple);
    border-right: 4px solid var(--purple);
    padding: 1.8rem;
    margin: 2rem 0;
}

.alert-box h3 {
    color: var(--cyan);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 1.5rem;
}

.alert-box ul {
    list-style: none;
    padding: 0;
}

.alert-box ul li {
    padding: 0.7rem 0;
    padding-left: 1.8rem;
    position: relative;
    font-size: 1.05rem;
}

.alert-box ul li:before {
    content: "►";
    position: absolute;
    left: 0;
    color: var(--teal);
    font-size: 0.9rem;
}

.game-wrapper {
    background: var(--darker);
    padding: 2.5rem;
    border: 2px solid var(--teal);
    margin: 2rem 0;
    text-align: center;
}

.game-wrapper h2 {
    margin-bottom: 1.5rem;
    color: var(--teal);
    font-size: 2.2rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 700;
}

.game-wrapper p {
    margin-bottom: 1.8rem;
    font-size: 1.1rem;
}

.game-frame {
    width: 100%;
    max-width: 900px;
    height: 600px;
    border: 2px solid var(--purple);
    margin: 0 auto;
    display: block;
    box-shadow: 0 0 40px rgba(0, 217, 255, 0.3);
}

.content-box {
    background: rgba(10, 14, 39, 0.6);
    padding: 2.5rem;
    border: 1px solid var(--teal);
    margin: 2rem 0;
    line-height: 1.9;
}

.content-box h2 {
    color: var(--teal);
    margin-bottom: 1.3rem;
    font-size: 2.2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 700;
}

.content-box h3 {
    color: var(--cyan);
    margin-top: 1.8rem;
    margin-bottom: 1rem;
    font-size: 1.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.content-box p {
    margin-bottom: 1.2rem;
    font-size: 1.05rem;
}

footer {
    background: var(--darker);
    padding: 2.5rem 2rem;
    margin-top: 4rem;
    border-top: 2px solid var(--teal);
}

.footer-content {
    max-width: 1500px;
    margin: 0 auto;
    text-align: center;
}

.footer-content p {
    color: var(--silver);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--teal);
    text-decoration: none;
    transition: 0.3s;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.5rem 1rem;
    border: 1px solid transparent;
}

.footer-links a:hover {
    border: 1px solid var(--teal);
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.4);
}

.age-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    justify-content: center;
    align-items: center;
}

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

.age-modal-content {
    background: linear-gradient(135deg, var(--darker), var(--dark-bg));
    padding: 3.5rem;
    border: 3px solid var(--teal);
    text-align: center;
    max-width: 550px;
    box-shadow: 0 0 60px rgba(0, 217, 255, 0.5);
    position: relative;
}

.age-modal-content:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 1px solid var(--purple);
    margin: 5px;
    pointer-events: none;
}

.age-modal-content h2 {
    color: var(--teal);
    margin-bottom: 1.5rem;
    font-size: 2.2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 700;
}

.age-modal-content p {
    margin-bottom: 2.2rem;
    font-size: 1.15rem;
    color: var(--silver);
}

.age-buttons {
    display: flex;
    gap: 1.2rem;
    justify-content: center;
}

.age-buttons button {
    padding: 1rem 2.3rem;
    font-size: 1.15rem;
    border: 2px solid var(--teal);
    cursor: pointer;
    font-weight: 700;
    transition: 0.3s;
    font-family: 'Rajdhani', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.age-yes {
    background: var(--teal);
    color: var(--darker);
}

.age-yes:hover {
    background: var(--cyan);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.6);
}

.age-no {
    background: transparent;
    color: var(--silver);
}

.age-no:hover {
    background: rgba(255, 255, 255, 0.1);
}

@media (max-width: 1024px) {
    .layout-container {
        grid-template-columns: 1fr;
    }

    .sidebar {
        display: none;
    }
}

@media (max-width: 768px) {
    nav ul {
        position: fixed;
        top: 72px;
        left: -100%;
        flex-direction: column;
        background: var(--darker);
        width: 100%;
        padding: 2rem;
        transition: 0.3s;
        gap: 0;
        border-bottom: 2px solid var(--teal);
    }

    nav ul.active {
        left: 0;
    }

    nav ul li {
        padding: 1rem 0;
        border-bottom: 1px solid rgba(0, 217, 255, 0.2);
    }

    .hamburger {
        display: flex;
    }

    .hero-section h1 {
        font-size: 2rem;
    }

    .hero-section p {
        font-size: 1.05rem;
    }

    .layout-container {
        padding: 1.5rem;
    }

    .game-frame {
        height: 400px;
    }

    .age-modal-content {
        margin: 1rem;
        padding: 2.5rem 1.5rem;
    }
}