@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Source+Sans+3:wght@300;400;500;600;700&display=swap');

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

:root {
    --steel: #71717a;
    --silver: #a1a1aa;
    --platinum: #e4e4e7;
    --chrome: #fafafa;
    --gunmetal: #27272a;
    --obsidian: #18181b;
    --electric: #3b82f6;
}

body {
    font-family: 'Source Sans 3', sans-serif;
    background: linear-gradient(135deg, var(--obsidian), var(--gunmetal));
    color: var(--platinum);
    line-height: 1.7;
    min-height: 100vh;
}

.nav-header {
    background: linear-gradient(90deg, var(--obsidian), var(--gunmetal), var(--obsidian));
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid var(--steel);
}

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

.brand {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2.2rem;
    color: var(--chrome);
    text-decoration: none;
    letter-spacing: 4px;
}

.menu-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--steel);
    color: var(--silver);
    font-size: 1.4rem;
    padding: 0.5rem 0.9rem;
    cursor: pointer;
    border-radius: 4px;
}

.main-menu {
    display: flex;
    list-style: none;
    gap: 0.3rem;
}

.main-menu a {
    color: var(--silver);
    text-decoration: none;
    padding: 0.6rem 1.2rem;
    font-weight: 500;
    transition: all 0.3s;
    border-bottom: 2px solid transparent;
}

.main-menu a:hover {
    color: var(--chrome);
    border-bottom-color: var(--electric);
}

.main-hero {
    background: linear-gradient(180deg, var(--gunmetal) 0%, var(--obsidian) 100%);
    padding: 6rem 2rem;
    text-align: center;
    position: relative;
}

.main-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--electric), transparent);
}

.hero-inner {
    max-width: 850px;
    margin: 0 auto;
}

.main-hero h1 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 4.5rem;
    color: var(--chrome);
    margin-bottom: 1rem;
    letter-spacing: 6px;
}

.main-hero p {
    font-size: 1.2rem;
    color: var(--silver);
    margin-bottom: 2.5rem;
}

.metal-badges {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.badge {
    background: linear-gradient(135deg, var(--steel), var(--gunmetal));
    border: 1px solid var(--steel);
    color: var(--chrome);
    padding: 0.8rem 1.6rem;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.game-forge {
    padding: 4rem 2rem;
    background: var(--obsidian);
}

.forge-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2.5rem;
    color: var(--electric);
    text-align: center;
    margin-bottom: 2rem;
    letter-spacing: 3px;
}

.game-hull {
    max-width: 1300px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--gunmetal), var(--obsidian));
    border: 3px solid var(--steel);
    overflow: hidden;
}

.game-hull iframe {
    width: 100%;
    height: 620px;
    border: none;
    display: block;
}

.specs-section {
    padding: 5rem 2rem;
    background: linear-gradient(180deg, var(--obsidian), var(--gunmetal));
}

.specs-grid {
    max-width: 1300px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.spec-panel {
    background: var(--obsidian);
    border: 1px solid var(--steel);
    padding: 2rem;
    text-align: center;
    position: relative;
}

.spec-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--electric);
}

.spec-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.spec-panel h3 {
    font-family: 'Bebas Neue', sans-serif;
    color: var(--chrome);
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    letter-spacing: 2px;
}

.spec-panel p {
    color: var(--silver);
    font-size: 0.95rem;
}

.about-alloy {
    padding: 5rem 2rem;
    background: var(--gunmetal);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.about-alloy h2 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2.5rem;
    color: var(--electric);
    margin-bottom: 2rem;
    letter-spacing: 3px;
}

.about-alloy p {
    font-size: 1.1rem;
    color: var(--silver);
    margin-bottom: 1.5rem;
}

.page-frame {
    min-height: calc(100vh - 200px);
    padding: 4rem 2rem;
    background: var(--obsidian);
}

.page-panel {
    max-width: 900px;
    margin: 0 auto;
    background: var(--gunmetal);
    border: 1px solid var(--steel);
    padding: 3rem;
}

.page-panel h1 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 3rem;
    color: var(--chrome);
    margin-bottom: 2rem;
    letter-spacing: 3px;
    border-bottom: 2px solid var(--electric);
    padding-bottom: 1rem;
}

.page-panel h2 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.5rem;
    color: var(--electric);
    margin: 2rem 0 1rem;
    letter-spacing: 2px;
}

.page-panel p {
    color: var(--silver);
    margin-bottom: 1rem;
}

.page-panel ul {
    margin: 1rem 0 1.5rem 1.5rem;
    color: var(--silver);
}

.page-panel li {
    margin-bottom: 0.6rem;
}

.operation-note {
    background: var(--obsidian);
    border-left: 3px solid var(--electric);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.operation-note h3 {
    color: var(--electric);
    font-family: 'Bebas Neue', sans-serif;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.metal-footer {
    background: var(--obsidian);
    border-top: 2px solid var(--steel);
    padding: 3rem 2rem;
    text-align: center;
}

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

.footer-nav a {
    color: var(--silver);
    text-decoration: none;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
    transition: color 0.3s;
}

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

.rg-section {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gunmetal);
}

.rg-section h4 {
    color: var(--steel);
    font-family: 'Bebas Neue', sans-serif;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.rg-section a {
    color: var(--silver);
    text-decoration: none;
    margin: 0 1rem;
    font-size: 0.9rem;
}

.rg-section a:hover {
    color: var(--electric);
}

.copyright {
    margin-top: 2rem;
    color: var(--steel);
    font-size: 0.85rem;
}

.age-gate {
    position: fixed;
    inset: 0;
    background: rgba(24, 24, 27, 0.98);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
}

.gate-box {
    background: linear-gradient(135deg, var(--gunmetal), var(--obsidian));
    border: 2px solid var(--steel);
    padding: 3rem;
    text-align: center;
    max-width: 500px;
    margin: 1rem;
}

.gate-box h2 {
    font-family: 'Bebas Neue', sans-serif;
    color: var(--chrome);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    letter-spacing: 3px;
}

.gate-box p {
    color: var(--silver);
    margin-bottom: 1.5rem;
}

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

.gate-actions button {
    font-family: 'Source Sans 3', sans-serif;
    padding: 0.9rem 2.2rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-proceed {
    background: var(--electric);
    color: white;
}

.btn-proceed:hover {
    filter: brightness(1.2);
}

.btn-retreat {
    background: transparent;
    border: 1px solid var(--steel) !important;
    color: var(--silver);
}

.btn-retreat:hover {
    border-color: var(--chrome) !important;
    color: var(--chrome);
}

.hidden {
    display: none !important;
}

@media (max-width: 1000px) {
    .specs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

    .main-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--obsidian);
        flex-direction: column;
        padding: 1rem;
        display: none;
        border-bottom: 2px solid var(--steel);
    }

    .main-menu.visible {
        display: flex;
    }

    .main-menu a {
        padding: 1rem;
        border-bottom: 1px solid var(--gunmetal);
    }

    .main-hero h1 {
        font-size: 3rem;
    }

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

    .game-hull iframe {
        height: 420px;
    }

    .page-panel {
        padding: 2rem;
    }

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