:root {
    --paper: #f2f0ea;
    --paper-light: #faf9f5;
    --ink: #171a18;
    --muted: #646963;
    --line: #c9c8c1;
    --line-dark: #959a94;
    --signal: #c9492d;
    --signal-dark: #91311e;
    --display: "Arial Narrow", "Roboto Condensed", "Helvetica Neue", Arial, sans-serif;
    --body: "IBM Plex Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    color: var(--ink);
    background:
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(201, 73, 45, 0.06), transparent 55%),
        linear-gradient(180deg, var(--paper-light) 0%, var(--paper) 100%);
    font-family: var(--body);
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    display: block;
    max-width: 100%;
}

.skip-link {
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 100;
    padding: 10px 14px;
    color: #fff;
    background: var(--ink);
    transform: translateY(-160%);
}

.skip-link:focus {
    transform: translateY(0);
}

.site-header {
    display: flex;
    min-height: 64px;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--line);
    padding: 0 clamp(20px, 4vw, 48px);
}

.brand {
    display: flex;
    align-items: center;
    width: auto;
}

.brand img {
    display: block;
    width: auto;
    height: 16px;
}

.header-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.header-rule {
    width: 28px;
    height: 1px;
    background: var(--line-dark);
}

.twin-launcher {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: clamp(28px, 4vw, 40px);
    width: min(1080px, 100%);
    margin: 0 auto;
    padding: clamp(32px, 5vw, 56px) clamp(20px, 4vw, 48px) clamp(24px, 4vw, 40px);
}

.launcher-intro {
    max-width: 520px;
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.eyebrow span {
    border: 1px solid var(--ink);
    padding: 5px 7px 4px;
    color: var(--ink);
}

.launcher-intro h1 {
    margin: 14px 0 10px;
    font-family: var(--display);
    font-size: clamp(40px, 5vw, 56px);
    font-stretch: condensed;
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 0.95;
    text-transform: uppercase;
}

.launcher-summary {
    margin: 0;
    color: var(--muted);
    font-size: 15px;
}

.twin-grid {
    display: grid;
    grid-template-columns: 1.35fr 1fr 1fr;
    gap: 14px;
}

.twin-card {
    display: flex;
    flex-direction: column;
    min-height: 240px;
    border: 1px solid var(--line-dark);
    background: rgba(250, 249, 245, 0.88);
    padding: 22px 22px 20px;
    transition: border-color 160ms ease, transform 160ms ease, background 160ms ease;
}

.twin-card:hover,
.twin-card:focus-visible {
    border-color: var(--ink);
    background: #fff;
    transform: translateY(-2px);
    outline: none;
}

.twin-card-primary {
    min-height: 280px;
    border-color: var(--ink);
    background: var(--ink);
    color: #f4f2ec;
}

.twin-card-primary:hover,
.twin-card-primary:focus-visible {
    background: #222623;
    border-color: #222623;
}

.twin-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}

.twin-badge {
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--signal);
}

.twin-card-primary .twin-badge {
    color: #f0a28f;
}

.twin-badge.muted {
    color: var(--muted);
}

.twin-arrow {
    font-size: 18px;
    line-height: 1;
    transition: transform 160ms ease;
}

.twin-card:hover .twin-arrow,
.twin-card:focus-visible .twin-arrow {
    transform: translate(2px, -2px);
}

.twin-card h2 {
    margin: 0 0 6px;
    font-family: var(--display);
    font-size: clamp(26px, 2.4vw, 34px);
    font-stretch: condensed;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1;
    text-transform: uppercase;
}

.twin-subtitle {
    margin: 0 0 14px;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.twin-card-primary .twin-subtitle {
    color: #a8aea8;
}

.twin-desc {
    margin: 0;
    flex: 1;
    color: #4a504a;
    font-size: 14px;
    line-height: 1.45;
}

.twin-card-primary .twin-desc {
    color: #c5c9c4;
}

.twin-cta {
    display: inline-flex;
    align-items: center;
    margin-top: 22px;
    padding-top: 14px;
    border-top: 1px solid var(--line);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.twin-card-primary .twin-cta {
    border-top-color: #3a3f3a;
    color: #fff;
}

.booth-play {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 10px 16px;
    margin: 0;
}

.booth-play a {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-bottom: 1px solid var(--ink);
}

.booth-play span {
    color: var(--muted);
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.site-drawer {
    border-top: 1px solid var(--line);
    padding-top: 8px;
}

.site-drawer summary {
    cursor: pointer;
    list-style: none;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 10px 0;
    user-select: none;
}

.site-drawer summary::-webkit-details-marker {
    display: none;
}

.site-drawer summary::after {
    content: " +";
}

.site-drawer[open] summary::after {
    content: " −";
}

.site-drawer summary:hover,
.site-drawer summary:focus-visible {
    color: var(--ink);
    outline: none;
}

.drawer-body {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 28px;
    padding: 8px 0 12px;
    animation: drawer-in 180ms ease;
}

@keyframes drawer-in {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.drawer-block h3 {
    margin: 0 0 12px;
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}

.process-flow.compact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 16px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.process-flow.compact li {
    display: flex;
    gap: 10px;
    font-size: 13px;
    color: #3d433d;
}

.process-flow.compact span {
    color: var(--signal);
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 700;
}

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

.req-list li {
    font-size: 13px;
    color: #3d433d;
}

.req-list strong {
    display: inline-block;
    min-width: 52px;
    margin-right: 8px;
    font-family: var(--mono);
    font-size: 11px;
    color: var(--ink);
}

.drawer-block blockquote {
    margin: 0 0 12px;
    font-family: var(--display);
    font-size: 20px;
    font-stretch: condensed;
    font-weight: 500;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.mission-meta {
    margin: 0;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.site-footer {
    border-top: 1px solid var(--line);
    padding: 16px clamp(20px, 4vw, 48px) 22px;
    display: grid;
    gap: 6px;
}

.footer-note {
    margin: 0;
    color: var(--muted);
    font-size: 11px;
    line-height: 1.45;
}

@media (max-width: 900px) {
    .twin-grid {
        grid-template-columns: 1fr;
    }

    .twin-card,
    .twin-card-primary {
        min-height: auto;
    }

    .drawer-body {
        grid-template-columns: 1fr;
        gap: 22px;
    }

    .header-meta span:nth-child(2),
    .header-meta span:nth-child(3) {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .twin-card,
    .twin-arrow,
    .drawer-body {
        transition: none;
        animation: none;
    }

    .twin-card:hover,
    .twin-card:focus-visible {
        transform: none;
    }
}