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

:root {
    --fractal-black: #0A0A0F;
    --void-purple: #1A0A2E;
    --electric-green: #39FF14;
    --dim-green: #1A4D0A;
    --ghost-white: #E8E8EF;
    --muted-gray: #6B6B7A;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    background: var(--fractal-black);
    color: var(--ghost-white);
    line-height: 1.75;
}

h1, h2, h3, h4, h5 {
    font-family: 'Oswald', sans-serif;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.header-section {
    background: var(--fractal-black);
    border-bottom: 1px solid var(--dim-green);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    max-width: 1800px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
}

.logo-area svg {
    width: 50px;
    height: 50px;
}

.logo-name {
    font-family: 'Oswald', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--electric-green);
    text-transform: uppercase;
    letter-spacing: 3px;
}

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

.nav-area a {
    color: var(--muted-gray);
    text-decoration: none;
    font-family: 'Oswald', sans-serif;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s ease;
}

.nav-area a:hover {
    color: var(--electric-green);
}

.hamburger-menu {
    display: none;
    background: none;
    border: 1px solid var(--electric-green);
    padding: 10px;
    cursor: pointer;
}

.hamburger-menu span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--electric-green);
    margin: 5px 0;
    transition: all 0.3s ease;
}

.hamburger-menu.open span:first-child {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger-menu.open span:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.open span:last-child {
    transform: rotate(-45deg) translate(5px, -5px);
}

.dark-hero {
    min-height: 90vh;
    background: linear-gradient(180deg, var(--void-purple) 0%, var(--fractal-black) 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.dark-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(57, 255, 20, 0.03) 2px,
            rgba(57, 255, 20, 0.03) 4px
        );
    pointer-events: none;
}

.hero-container {
    max-width: 1800px;
    margin: 0 auto;
    padding: 4rem 2rem;
    width: 100%;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-main .restriction-badge {
    display: inline-block;
    border: 1px solid var(--electric-green);
    color: var(--electric-green);
    padding: 0.5rem 1.25rem;
    font-family: 'Oswald', sans-serif;
    font-size: 0.85rem;
    letter-spacing: 2px;
    margin-bottom: 2rem;
}

.hero-main h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--ghost-white);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-main h1 .accent {
    color: var(--electric-green);
}

.hero-main p {
    font-size: 1.1rem;
    color: var(--muted-gray);
    margin-bottom: 2.5rem;
    max-width: 580px;
}

.fractal-btn {
    display: inline-block;
    background: transparent;
    border: 2px solid var(--electric-green);
    color: var(--electric-green);
    padding: 1rem 2.5rem;
    font-family: 'Oswald', sans-serif;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.fractal-btn:hover {
    background: var(--electric-green);
    color: var(--fractal-black);
    box-shadow: 0 0 30px rgba(57, 255, 20, 0.4);
}

.hero-side {
    display: flex;
    justify-content: center;
}

.void-card {
    background: rgba(26, 10, 46, 0.7);
    border: 1px solid var(--dim-green);
    padding: 3rem;
    text-align: center;
}

.void-card .symbol {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.void-card h3 {
    color: var(--electric-green);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.void-card p {
    color: var(--muted-gray);
    font-size: 0.9rem;
}

.warning-section {
    background: var(--fractal-black);
    padding: 5rem 2rem;
    border-top: 1px solid var(--dim-green);
    border-bottom: 1px solid var(--dim-green);
}

.warning-boxes {
    max-width: 1800px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.warning-box {
    background: var(--void-purple);
    border-left: 3px solid var(--electric-green);
    padding: 2rem;
    transition: all 0.3s ease;
}

.warning-box:hover {
    transform: translateX(5px);
}

.warning-box .code {
    font-family: monospace;
    font-size: 0.8rem;
    color: var(--electric-green);
    margin-bottom: 1rem;
    opacity: 0.7;
}

.warning-box h3 {
    color: var(--ghost-white);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.warning-box p {
    color: var(--muted-gray);
    font-size: 0.9rem;
}

.game-section {
    background: var(--void-purple);
    padding: 5rem 2rem;
}

.game-section-inner {
    max-width: 1300px;
    margin: 0 auto;
}

.section-heading {
    text-align: center;
    margin-bottom: 3rem;
}

.section-heading h2 {
    font-size: 2.5rem;
    color: var(--ghost-white);
    margin-bottom: 1rem;
}

.section-heading p {
    color: var(--muted-gray);
    max-width: 600px;
    margin: 0 auto;
}

.game-frame {
    background: var(--fractal-black);
    border: 1px solid var(--dim-green);
    padding: 1rem;
}

.game-frame iframe {
    width: 100%;
    height: 580px;
    border: none;
}

.feature-section {
    background: var(--fractal-black);
    padding: 5rem 2rem;
}

.feature-section-inner {
    max-width: 1800px;
    margin: 0 auto;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.feature-block {
    background: var(--void-purple);
    border-bottom: 2px solid var(--dim-green);
    padding: 2rem;
    transition: all 0.3s ease;
}

.feature-block:hover {
    border-bottom-color: var(--electric-green);
}

.feature-block .index {
    font-family: 'Oswald', sans-serif;
    font-size: 2rem;
    color: var(--dim-green);
    margin-bottom: 1rem;
}

.feature-block h4 {
    color: var(--ghost-white);
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

.feature-block p {
    color: var(--muted-gray);
    font-size: 0.85rem;
}

footer {
    background: var(--fractal-black);
    border-top: 1px solid var(--dim-green);
    padding: 4rem 2rem 2rem;
}

.footer-layout {
    max-width: 1800px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--muted-gray);
    margin-top: 1rem;
    font-size: 0.9rem;
}

.footer-column h4 {
    font-family: 'Oswald', sans-serif;
    font-size: 0.9rem;
    color: var(--electric-green);
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 0.75rem;
}

.footer-column a {
    color: var(--muted-gray);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: var(--electric-green);
}

.footer-base {
    max-width: 1800px;
    margin: 0 auto;
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--dim-green);
}

.footer-base p {
    color: var(--muted-gray);
    font-size: 0.85rem;
}

.age-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 15, 0.98);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.age-overlay.hidden {
    display: none;
}

.age-box {
    background: var(--void-purple);
    border: 1px solid var(--electric-green);
    padding: 3rem;
    max-width: 480px;
    text-align: center;
}

.age-box h2 {
    color: var(--ghost-white);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.age-box p {
    color: var(--muted-gray);
    margin-bottom: 2rem;
}

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

.age-actions button {
    padding: 1rem 2rem;
    font-family: 'Oswald', sans-serif;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-enter {
    background: var(--electric-green);
    border: none;
    color: var(--fractal-black);
}

.btn-enter:hover {
    box-shadow: 0 0 20px rgba(57, 255, 20, 0.5);
}

.btn-leave {
    background: transparent;
    border: 1px solid var(--muted-gray);
    color: var(--muted-gray);
}

.btn-leave:hover {
    border-color: var(--ghost-white);
    color: var(--ghost-white);
}

.page-body {
    padding: 5rem 2rem;
    max-width: 950px;
    margin: 0 auto;
}

.page-body h1 {
    font-size: 2.5rem;
    color: var(--ghost-white);
    text-align: center;
    margin-bottom: 3rem;
}

.page-body h2 {
    color: var(--electric-green);
    font-size: 1.3rem;
    margin: 2.5rem 0 1rem;
}

.page-body p {
    color: var(--muted-gray);
    margin-bottom: 1.5rem;
}

.page-body ul {
    color: var(--muted-gray);
    margin: 1rem 0 1.5rem 2rem;
}

.page-body li {
    margin-bottom: 0.5rem;
}

.play-page {
    padding: 3rem 2rem 5rem;
    background: var(--fractal-black);
}

.play-page h1 {
    text-align: center;
    color: var(--ghost-white);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.play-page > p {
    text-align: center;
    color: var(--muted-gray);
    max-width: 700px;
    margin: 0 auto 3rem;
}

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

    .hero-main p {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-side {
        display: none;
    }

    .warning-boxes {
        grid-template-columns: 1fr;
    }

    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-layout {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hamburger-menu {
        display: block;
    }

    .nav-area {
        position: fixed;
        top: 75px;
        left: 0;
        right: 0;
        background: var(--fractal-black);
        padding: 2rem;
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        border-bottom: 1px solid var(--dim-green);
    }

    .nav-area.active {
        transform: translateY(0);
    }

    .nav-area ul {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }

    .header-inner {
        padding: 1rem;
    }

    .logo-name {
        font-size: 1.2rem;
    }

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

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

    .footer-layout {
        grid-template-columns: 1fr;
        text-align: center;
    }
}