@import url("https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700&display=swap");

:root {
    color-scheme: dark;
    --bg: #161616;
    --panel: #1f1f1f;
    --panel-soft: #191919;
    --text: #f5f5f5;
    --muted: #c8c8c8;
    --line: #333333;
    --accent: #ffcc00;
    --accent-soft: rgba(255, 204, 0, 0.12);
    --max: 1120px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Orbitron', Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    letter-spacing: 0.045em;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.site-header {
    border-bottom: 1px solid var(--line);
    background: rgba(22, 22, 22, 0.96);
    position: sticky;
    top: 0;
    z-index: 10;
}

.nav {
    max-width: var(--max);
    margin: 0 auto;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand {
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text);
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 16px;
    font-size: 0.95rem;
    letter-spacing: 0.065em;
}

.nav-links a {
    color: var(--muted);
}

.nav-links a:hover {
    color: var(--accent);
}

.nav-toggle {
    display: none;
}

.nav-toggle-input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.nav-toggle {
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    border: 1px solid var(--line);
    border-radius: 5px;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--accent);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle-input:focus-visible + .nav-toggle {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

main {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 20px 56px;
}

.hero {
    padding: 88px 0 56px;
    border-bottom: 1px solid var(--line);
}

.eyebrow {
    color: var(--accent);
    font-size: 0.85rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    margin: 0 0 14px;
}

.hero-logo {
    margin: 0 0 18px;
    color: var(--text);
    font-size: clamp(2.4rem, 7vw, 5.4rem);
    font-weight: 700;
    letter-spacing: 0.12em;
    line-height: 1;
    text-transform: uppercase;
}

h1,
h2,
h3 {
    line-height: 1.15;
    margin: 0;
}

h1 {
    max-width: 900px;
    font-size: clamp(1.35rem, 2.6vw, 2.25rem);
    letter-spacing: 0.025em;
    text-transform: uppercase;
}

h2 {
    font-size: clamp(1.55rem, 3vw, 2.25rem);
    margin-bottom: 18px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    letter-spacing: 0.04em;
}

p {
    margin: 0;
}

.lead {
    max-width: 780px;
    margin-top: 22px;
    color: var(--muted);
    font-size: 1.15rem;
    letter-spacing: 0.055em;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 9px 15px;
    border: 1px solid var(--accent);
    border-radius: 5px;
    color: var(--accent);
    background: transparent;
    font-weight: 700;
    letter-spacing: 0.075em;
    text-transform: uppercase;
}

.button:hover {
    background: var(--accent);
    color: #161616;
    text-decoration: none;
}

.button.secondary {
    border-color: var(--line);
    color: var(--text);
}

.button.secondary:hover {
    border-color: var(--accent);
}

.section {
    padding: 48px 0;
    border-bottom: 1px solid var(--line);
}

.section-intro {
    max-width: 780px;
    color: var(--muted);
    margin-bottom: 22px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.grid.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--panel);
    padding: 20px;
    min-height: 100%;
}

.card p {
    color: var(--muted);
    letter-spacing: 0.04em;
}

.card-links {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 16px;
    font-size: 0.95rem;
}

.list {
    display: grid;
    gap: 10px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.list li {
    border-left: 2px solid var(--accent);
    padding-left: 12px;
    color: var(--muted);
    letter-spacing: 0.045em;
}

.stack {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    border: 1px solid var(--line);
    border-radius: 4px;
    background: var(--panel-soft);
    color: var(--muted);
    padding: 7px 10px;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
}

.cta {
    background: var(--accent-soft);
    border: 1px solid rgba(255, 204, 0, 0.35);
    border-radius: 6px;
    padding: 24px;
}

.cta p {
    max-width: 760px;
    color: var(--text);
    font-size: 1.1rem;
    letter-spacing: 0.05em;
}

.faq {
    display: grid;
    gap: 14px;
}

.faq details {
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--panel);
    padding: 16px 18px;
}

.faq summary {
    cursor: pointer;
    font-weight: 700;
}

.faq p {
    color: var(--muted);
    margin-top: 10px;
    letter-spacing: 0.04em;
}

.site-footer {
    border-top: 1px solid var(--line);
    background: #121212;
}

.footer-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 28px 20px;
    display: flex;
    justify-content: space-between;
    gap: 24px;
}

.footer-copy {
    color: var(--muted);
    max-width: 360px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 14px;
}

@media (max-width: 820px) {
    .nav {
        align-items: center;
        flex-direction: row;
        flex-wrap: wrap;
    }

    .footer-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .footer-links {
        justify-content: flex-start;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        gap: 12px;
        padding-top: 16px;
        margin-top: 4px;
        border-top: 1px solid var(--line);
    }

    .nav-toggle-input:checked ~ .nav-links {
        display: flex;
    }

    .nav-toggle-input:checked + .nav-toggle span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle-input:checked + .nav-toggle span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle-input:checked + .nav-toggle span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .hero {
        padding-top: 56px;
    }

    .grid,
    .grid.two {
        grid-template-columns: 1fr;
    }
}