:root {
    --bg: #080808;
    --surface: #101010;
    --surface-strong: #151515;
    --text: #f2f0ec;
    --muted: #aaa7a2;
    --quiet: #77746f;
    --line: rgba(242, 240, 236, 0.13);
    --accent: #e5483d;
    --accent-hover: #f06459;
    --content: 88rem;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body {
    margin: 0;
    overflow-x: hidden;
    background:
        radial-gradient(circle at 82% 6%, rgba(229, 72, 61, 0.12), transparent 28rem),
        radial-gradient(circle at 8% 52%, rgba(255, 255, 255, 0.035), transparent 24rem),
        var(--bg);
    color: var(--muted);
    font-family: 'Space Grotesk', system-ui, sans-serif;
    line-height: 1.6;
}
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 20;
    pointer-events: none;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");
}
::selection { background: var(--accent); color: var(--bg); }
a { color: inherit; }
button { font: inherit; }
:focus-visible { outline: 2px solid var(--accent-hover); outline-offset: 4px; }
.skip-link { position: fixed; top: .75rem; left: .75rem; z-index: 100; padding: .75rem 1rem; background: var(--text); color: var(--bg); transform: translateY(-160%); transition: transform 180ms ease; }
.skip-link:focus { transform: translateY(0); }
.shell { width: min(var(--content), 92vw); margin-inline: auto; }

nav { position: fixed; inset: 0 0 auto; z-index: 15; height: 4.5rem; border-bottom: 1px solid var(--line); background: rgba(8,8,8,.8); backdrop-filter: blur(20px) saturate(120%); }
.nav-row { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.logo { color: var(--text); font: 600 .82rem/1 'JetBrains Mono', monospace; letter-spacing: .16em; text-decoration: none; }
.logo span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: clamp(1rem, 2.4vw, 2.25rem); }
.nav-links > a:not(.button) { color: #b7b4af; font: 500 .72rem/1 'JetBrains Mono', monospace; text-decoration: none; transition: color 200ms ease; }
.nav-links > a:not(.button):hover { color: var(--text); }
.button { min-height: 2.8rem; display: inline-flex; align-items: center; justify-content: center; padding: .8rem 1.3rem; border: 1px solid var(--accent); border-radius: .65rem; background: var(--accent); color: #080808; font-weight: 700; line-height: 1; text-decoration: none; white-space: nowrap; transition: transform 220ms var(--ease), background 220ms ease; }
.button:hover { transform: translateY(-2px); background: var(--accent-hover); }
.button:active { transform: translateY(0) scale(.98); }
.text-link { display: inline-flex; gap: .6rem; align-items: center; color: var(--text); font-weight: 600; text-decoration: none; }
.text-link::after { content: "\2192"; color: var(--accent); transition: transform 180ms ease; }
.text-link:hover::after { transform: translateX(.25rem); }

main { padding-top: 4.5rem; }
.hero { min-height: min(58rem, calc(100dvh - 4.5rem)); display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(20rem, .75fr); gap: clamp(3rem, 7vw, 8rem); align-items: center; padding-block: clamp(5rem, 10vw, 9rem); }
.eyebrow { display: inline-block; margin-bottom: 1.5rem; color: var(--accent); font: 500 .72rem/1.4 'JetBrains Mono', monospace; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3 { margin: 0; color: var(--text); line-height: 1; letter-spacing: -.045em; text-wrap: balance; }
h1 { max-width: 12ch; font-size: clamp(3.4rem, 7.8vw, 7.8rem); }
h1 em { color: var(--accent); font-style: normal; }
h2 { max-width: 16ch; font-size: clamp(2.4rem, 5.2vw, 5.1rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.65rem); letter-spacing: -.025em; line-height: 1.15; }
p { margin: 0; text-wrap: pretty; }
.lede { max-width: 41rem; margin-top: 1.8rem; color: #c8c5c0; font-size: clamp(1.05rem, 1.65vw, 1.35rem); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.4rem; margin-top: 2.2rem; }
.hero-system { position: relative; min-height: 34rem; display: grid; align-content: center; padding: clamp(1.4rem, 3vw, 2.4rem); border: 1px solid var(--line); border-radius: 1.2rem; background: rgba(16,16,16,.78); overflow: hidden; }
.hero-system::before { content: ""; position: absolute; inset: 0; opacity: .23; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 3rem 3rem; mask-image: linear-gradient(to bottom, black, transparent); }
.system-label { position: relative; margin-bottom: 2rem; color: var(--quiet); font: 500 .68rem/1.4 'JetBrains Mono', monospace; letter-spacing: .14em; text-transform: uppercase; }
.system-flow { position: relative; display: grid; gap: .75rem; }
.system-node { display: grid; grid-template-columns: 2.4rem 1fr auto; gap: .8rem; align-items: center; min-height: 4.4rem; padding: .9rem 1rem; border: 1px solid rgba(242,240,236,.1); border-radius: .7rem; background: rgba(8,8,8,.86); }
.system-node span:first-child { color: var(--accent); font: 500 .68rem/1 'JetBrains Mono', monospace; }
.system-node strong { color: var(--text); font-size: .93rem; }
.system-node small { color: #77746f; font: 500 .62rem/1 'JetBrains Mono', monospace; text-transform: uppercase; }
.system-line { width: 1px; height: 1.1rem; margin: -.15rem 0 -.15rem 1.2rem; background: var(--accent); opacity: .6; }

.section { padding-block: clamp(6rem, 11vw, 10rem); border-top: 1px solid var(--line); }
.section-intro { display: grid; grid-template-columns: minmax(0, .95fr) minmax(20rem, .7fr); gap: 3rem; align-items: end; margin-bottom: clamp(3rem, 7vw, 6rem); }
.section-intro p { max-width: 38rem; font-size: 1.08rem; }
.capability-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1rem; }
.capability { min-height: 19rem; display: flex; flex-direction: column; justify-content: space-between; gap: 2rem; padding: clamp(1.5rem, 3vw, 2.4rem); border-top: 1px solid var(--line); background: rgba(255,255,255,.02); transition: background 220ms ease, transform 220ms var(--ease); }
.capability:hover { background: rgba(255,255,255,.04); transform: translateY(-3px); }
.capability:nth-child(1) { grid-column: span 7; }
.capability:nth-child(2) { grid-column: span 5; }
.capability:nth-child(3) { grid-column: 3 / span 6; }
.capability-index { color: var(--accent); font: 500 .7rem/1 'JetBrains Mono', monospace; }
.capability p { max-width: 34rem; }
.process { display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--line); }
.process-step { padding: 2rem clamp(1rem, 2.5vw, 2rem) 2.6rem; border-right: 1px solid var(--line); }
.process-step:last-child { border-right: 0; }
.process-step span { display: block; margin-bottom: 4rem; color: var(--accent); font: 500 .68rem/1 'JetBrains Mono', monospace; }
.process-step h3 { margin-bottom: 1rem; }
.outcome-band { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(3rem, 8vw, 8rem); align-items: start; }
.outcome-list { display: grid; }
.outcome { padding: 1.4rem 0; border-top: 1px solid var(--line); }
.outcome strong { display: block; margin-bottom: .35rem; color: var(--text); font-size: 1.05rem; }
.note { margin-top: 2rem; color: var(--quiet); font-size: .85rem; }
.cta { margin-bottom: clamp(4rem, 7vw, 7rem); display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: end; padding: clamp(2rem, 5vw, 4rem); border: 1px solid rgba(229,72,61,.32); border-radius: 1rem; background: radial-gradient(circle at 90% 10%, rgba(229,72,61,.16), transparent 20rem), var(--surface); }
.cta h2 { max-width: 12ch; }
.cta p { max-width: 40rem; margin-top: 1.25rem; }

footer { padding-block: 2.2rem; border-top: 1px solid var(--line); }
.footer-row { display: flex; justify-content: space-between; gap: 1.5rem; color: var(--quiet); font: 500 .65rem/1.5 'JetBrains Mono', monospace; letter-spacing: .08em; text-transform: uppercase; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.2rem; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--text); }

.reveal { opacity: 0; transform: translateY(1.5rem); transition: opacity 700ms var(--ease), transform 700ms var(--ease); }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 880px) {
    .nav-links > a:not(.button) { display: none; }
    .hero, .section-intro, .outcome-band { grid-template-columns: 1fr; }
    .hero { padding-top: 4rem; }
    .hero-system { min-height: 27rem; }
    .capability:nth-child(n) { grid-column: span 12; min-height: 16rem; }
    .process { grid-template-columns: 1fr 1fr; }
    .process-step:nth-child(2) { border-right: 0; }
    .process-step:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
    .cta { grid-template-columns: 1fr; align-items: start; }
}

@media (min-width: 881px) and (max-height: 820px) {
    .hero { min-height: calc(100dvh - 4.5rem); padding-block: 3rem; }
    h1 { font-size: clamp(3.4rem, 6vw, 5rem); }
    .lede { margin-top: 1.3rem; font-size: 1.05rem; }
    .hero-actions { margin-top: 1.6rem; }
    .hero-system { min-height: 29rem; }
}

@media (max-width: 560px) {
    nav { height: 4rem; }
    main { padding-top: 4rem; }
    .shell { width: min(100% - 2rem, var(--content)); }
    .nav-row .button { min-height: 2.5rem; padding: .68rem .9rem; font-size: .78rem; }
    .hero { min-height: auto; padding-block: 4.5rem 5.5rem; }
    h1 { font-size: clamp(3rem, 16vw, 4.3rem); }
    .hero-system { min-height: 24rem; }
    .system-node { grid-template-columns: 2rem 1fr; }
    .system-node small { display: none; }
    .section { padding-block: 5.5rem; }
    .process { grid-template-columns: 1fr; }
    .process-step { border-right: 0; border-bottom: 1px solid var(--line); }
    .process-step:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
    .process-step:last-child { border-bottom: 0; }
    .process-step span { margin-bottom: 2rem; }
    .footer-row { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    .reveal { opacity: 1; transform: none; }
}