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

:root {
    --cyan-bright: #00d4ff;
    --cyan-glow: #00a8cc;
    --blue-deep: #0066cc;
    --space-black: #050510;
    --space-dark: #0a0a1a;
    --space-mid: #12122a;
    --text-white: #f0f4ff;
    --text-dim: #8090b0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--space-black);
    color: var(--text-white);
    line-height: 1.75;
    min-height: 100vh;
}

h1, h2, h3, h4 {
    font-family: 'Orbitron', sans-serif;
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: 1px;
}

a {
    color: var(--cyan-bright);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: var(--cyan-glow);
}

/* Access Portal */
.access-portal {
    position: fixed;
    inset: 0;
    background: rgba(5, 5, 16, 0.98);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s;
}

.access-portal.active {
    opacity: 1;
    visibility: visible;
}

.portal-content {
    background: linear-gradient(145deg, var(--space-mid), var(--space-dark));
    border: 1px solid var(--cyan-bright);
    border-radius: 16px;
    padding: 3rem;
    max-width: 440px;
    text-align: center;
    box-shadow: 0 0 50px rgba(0, 212, 255, 0.2);
}

.portal-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.portal-content h2 {
    color: var(--cyan-bright);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.portal-content p {
    color: var(--text-dim);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

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

.portal-btn {
    padding: 0.9rem 2rem;
    border: none;
    border-radius: 8px;
    font-family: 'Orbitron', sans-serif;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s;
}

.portal-btn.primary {
    background: linear-gradient(135deg, var(--cyan-bright), var(--blue-deep));
    color: var(--space-black);
}

.portal-btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4);
}

.portal-btn.secondary {
    background: transparent;
    color: var(--text-dim);
    border: 1px solid var(--text-dim);
}

.portal-btn.secondary:hover {
    border-color: var(--text-white);
    color: var(--text-white);
}

/* Header */
.cosmic-header {
    background: var(--space-dark);
    border-bottom: 1px solid var(--space-mid);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-core {
    max-width: 1500px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.identity {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.identity-mark {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--cyan-bright), var(--blue-deep));
    color: var(--space-black);
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
}

.identity-name {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--cyan-bright);
}

.menu-trigger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.trigger-line {
    width: 26px;
    height: 2px;
    background: var(--cyan-bright);
    border-radius: 2px;
    transition: all 0.3s;
}

.cosmic-nav {
    display: flex;
    gap: 2.5rem;
}

.cosmic-nav a {
    color: var(--text-dim);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.5rem 0;
    position: relative;
}

.cosmic-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--cyan-bright);
    transition: width 0.3s;
}

.cosmic-nav a:hover,
.cosmic-nav a.nav-active {
    color: var(--cyan-bright);
}

.cosmic-nav a:hover::after,
.cosmic-nav a.nav-active::after {
    width: 100%;
}

/* Stellar Hero */
.stellar-hero {
    background: linear-gradient(180deg, var(--space-dark) 0%, var(--space-black) 100%);
    padding: 6rem 2rem;
    text-align: center;
}

.hero-content h1 {
    font-size: 3.2rem;
    color: var(--cyan-bright);
    margin-bottom: 1.5rem;
    text-shadow: 0 0 40px rgba(0, 212, 255, 0.5);
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-dim);
    max-width: 750px;
    margin: 0 auto;
}

/* Page Banner */
.page-banner {
    background: linear-gradient(180deg, var(--space-dark) 0%, var(--space-black) 100%);
    padding: 4rem 2rem;
    text-align: center;
}

.page-banner h1 {
    font-size: 2.6rem;
    color: var(--cyan-bright);
    margin-bottom: 0.75rem;
}

.page-banner p {
    color: var(--text-dim);
    font-size: 1.05rem;
}

/* Data Blocks */
.data-blocks {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 4rem 2rem;
    max-width: 1500px;
    margin: 0 auto;
}

.data-block {
    background: var(--space-dark);
    border: 1px solid var(--space-mid);
    border-radius: 12px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: border-color 0.3s, transform 0.3s;
}

.data-block:hover {
    border-color: var(--cyan-bright);
    transform: translateY(-5px);
}

.block-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1.2rem;
}

.data-block h3 {
    color: var(--cyan-bright);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.data-block p {
    color: var(--text-dim);
    font-size: 0.95rem;
}

/* Game Station */
.game-station {
    padding: 4rem 2rem;
    max-width: 1500px;
    margin: 0 auto;
}

.game-station.maximized {
    padding-top: 2rem;
}

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

.station-header h2 {
    color: var(--cyan-bright);
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.station-header p {
    color: var(--text-dim);
}

.station-viewport {
    background: var(--space-dark);
    border: 1px solid var(--space-mid);
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

.station-viewport.expanded {
    aspect-ratio: 16 / 10;
    max-width: 1200px;
    margin: 0 auto;
}

.game-module {
    width: 100%;
    height: 100%;
    border: none;
}

/* Info Modules */
.info-module {
    padding: 3rem 2rem;
    max-width: 1000px;
    margin: 0 auto;
    border-bottom: 1px solid var(--space-mid);
}

.info-module:last-of-type {
    border-bottom: none;
}

.info-module h2 {
    color: var(--cyan-bright);
    font-size: 1.6rem;
    margin-bottom: 1.2rem;
}

.info-module p {
    color: var(--text-dim);
    margin-bottom: 1rem;
}

.info-module p:last-child {
    margin-bottom: 0;
}

.critical-notice {
    background: var(--space-dark);
    border: 1px solid var(--cyan-glow);
    border-radius: 12px;
    padding: 2.5rem !important;
    margin: 2rem auto;
}

/* Spec Grid */
.spec-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
}

.spec-item {
    color: var(--text-dim);
    padding: 1rem;
    background: var(--space-dark);
    border-radius: 6px;
    font-size: 0.9rem;
}

/* Footer */
.cosmic-footer {
    background: var(--space-dark);
    border-top: 1px solid var(--space-mid);
    padding: 3rem 2rem;
    margin-top: 4rem;
}

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

.footer-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.links-label {
    color: var(--text-dim);
    font-size: 0.85rem;
}

.footer-links a {
    font-size: 0.85rem;
}

.footer-notice {
    color: var(--text-dim);
    font-size: 0.8rem;
}

/* Mobile */
@media (max-width: 1024px) {
    .data-blocks {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

    .hero-content h1 {
        font-size: 2.6rem;
    }
}

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

    .cosmic-nav {
        position: fixed;
        top: 72px;
        left: 0;
        width: 100%;
        background: var(--space-dark);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--space-mid);
        transform: translateY(-120%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.35s;
    }

    .cosmic-nav.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .header-core {
        padding: 1rem 1.5rem;
    }

    .stellar-hero {
        padding: 4rem 1.5rem;
    }

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

    .hero-desc {
        font-size: 1rem;
    }

    .page-banner {
        padding: 3rem 1.5rem;
    }

    .page-banner h1 {
        font-size: 2rem;
    }

    .data-blocks {
        padding: 2rem 1.5rem;
    }

    .data-block {
        padding: 2rem 1.5rem;
    }

    .game-station {
        padding: 2rem 1rem;
    }

    .station-viewport {
        aspect-ratio: 4 / 3;
    }

    .info-module {
        padding: 2rem 1.5rem;
    }

    .info-module h2 {
        font-size: 1.4rem;
    }

    .footer-links {
        flex-direction: column;
        gap: 0.8rem;
    }

    .cosmic-footer {
        padding: 2rem 1.5rem;
    }

    .portal-content {
        margin: 1.5rem;
        padding: 2rem;
    }

    .portal-actions {
        flex-direction: column;
    }
}