:root {
  --ink: #071a2c;
  --ink-soft: #17334a;
  --paper: #f6f7f2;
  --white: #ffffff;
  --mint: #77f2c7;
  --mint-deep: #18a97b;
  --sky: #bddbff;
  --coral: #ff806c;
  --line: rgba(7, 26, 44, .14);
  --muted: #5d6d79;
  --shadow: 0 30px 80px rgba(5, 20, 35, .18);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
.shell { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; top: 8px; left: 8px; transform: translateY(-150%); background: var(--mint); color: var(--ink); padding: 10px 16px; z-index: 100; font-weight: 800; }
.skip-link:focus { transform: none; }

.site-header { position: absolute; inset: 0 0 auto; z-index: 10; color: var(--white); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 88px; gap: 32px; border-bottom: 1px solid rgba(255,255,255,.13); }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-size: 1.24rem; font-weight: 800; letter-spacing: -.04em; }
.brand > span:last-child > span { color: var(--mint); }
.brand-mark { width: 30px; aspect-ratio: 1; border: 2px solid currentColor; border-radius: 50%; display: grid; place-items: center; }
.brand-mark span { width: 11px; height: 7px; border-left: 2px solid var(--mint); border-bottom: 2px solid var(--mint); transform: rotate(-45deg) translate(1px,-1px); }
nav { display: flex; gap: 30px; }
nav a { color: rgba(255,255,255,.78); text-decoration: none; font-size: .9rem; font-weight: 650; }
nav a:hover, nav a:focus-visible { color: var(--mint); }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 24px; background: var(--mint); color: var(--ink); border: 1px solid var(--mint); border-radius: 999px; text-decoration: none; font-weight: 800; box-shadow: 0 8px 28px rgba(119,242,199,.18); transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); box-shadow: 0 12px 34px rgba(119,242,199,.28); }
.button-small { min-height: 40px; padding-inline: 18px; font-size: .85rem; }
.text-link { color: var(--white); font-weight: 750; text-underline-offset: 5px; }
.text-link span { color: var(--mint); margin-left: 4px; }

.hero { position: relative; overflow: hidden; padding: 160px 0 92px; color: var(--white); background: var(--ink); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .18; background-image: linear-gradient(rgba(255,255,255,.10) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.10) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(to right, transparent, #000 45%, #000); }
.hero-glow { position: absolute; width: 620px; height: 620px; border-radius: 50%; top: -270px; right: -80px; background: rgba(53,182,144,.22); filter: blur(80px); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: clamp(50px, 8vw, 110px); }
.eyebrow, .kicker { margin: 0 0 18px; text-transform: uppercase; letter-spacing: .16em; font-size: .74rem; font-weight: 850; color: var(--mint-deep); }
.eyebrow { display: flex; align-items: center; gap: 10px; color: var(--mint); }
.eyebrow span { width: 8px; height: 8px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 6px rgba(119,242,199,.14); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 700px; margin-bottom: 26px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(3.2rem, 6.3vw, 6rem); line-height: .96; letter-spacing: -.055em; font-weight: 500; }
h1 em { color: var(--mint); font-style: italic; }
.hero-lead { max-width: 620px; color: rgba(255,255,255,.72); font-size: clamp(1.05rem, 1.8vw, 1.25rem); }
.hero-actions { display: flex; align-items: center; gap: 26px; margin: 38px 0 44px; }
.trust-list { list-style: none; display: flex; gap: 22px; flex-wrap: wrap; padding: 0; margin: 0; color: rgba(255,255,255,.68); font-size: .82rem; }
.trust-list li::before { content: "✓"; color: var(--mint); margin-right: 7px; font-weight: 900; }

.audit-window { background: #fdfefc; color: var(--ink); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transform: rotate(1.5deg); }
.window-bar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 16px 18px; background: #eaf0ed; border-bottom: 1px solid var(--line); color: #526573; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .68rem; font-weight: 800; letter-spacing: .08em; }
.window-dots { display: flex; gap: 5px; }
.window-dots i { display: block; width: 8px; height: 8px; border-radius: 50%; background: #aec0ba; }
.live-pill { justify-self: end; padding: 4px 8px; color: #526573; background: #dfe8e4; border-radius: 999px; text-transform: uppercase; font-size: .58rem; }
.question-block { padding: 27px 28px 22px; border-bottom: 1px solid var(--line); }
.label { display: block; margin-bottom: 7px; color: #76858d; font-size: .62rem; letter-spacing: .12em; font-weight: 900; }
.question-block p { margin: 0; font-family: Georgia, serif; font-size: 1.35rem; line-height: 1.25; }
.model-row { display: flex; align-items: center; justify-content: space-between; padding: 15px 28px; border-bottom: 1px solid var(--line); }
.model-id { display: flex; align-items: center; gap: 12px; font-size: .85rem; }
.model-id > span { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 9px; color: var(--white); background: var(--ink); font-size: .7rem; }
.status { padding: 5px 9px; border-radius: 5px; font-size: .66rem; font-weight: 850; }
.status-review { background: #fff0ec; color: #b64d3d; }
.status-corrected { background: #e2f8ef; color: #15795c; }
.proof-line { display: flex; gap: 13px; align-items: flex-start; padding: 23px 28px 19px; background: #f3faf7; }
.proof-icon { flex: 0 0 30px; width: 30px; height: 30px; display: grid; place-items: center; color: var(--ink); background: var(--mint); border-radius: 50%; font-weight: 900; }
.proof-line p { margin: 0; font-size: .82rem; line-height: 1.4; }
.demo-note { margin: 0; padding: 0 28px 22px; background: #f3faf7; color: #6a7b84; font-size: .65rem; }

.principle-strip { background: var(--mint); }
.principle-inner { display: flex; align-items: center; gap: 26px; padding-block: 25px; }
.principle-number { font-family: ui-monospace, monospace; font-weight: 900; }
.principle-inner p { margin: 0; font-family: Georgia, serif; font-size: clamp(1.05rem, 2vw, 1.35rem); }

.section { padding: 108px 0; }
.section-heading { display: grid; grid-template-columns: 1.3fr .7fr; gap: 90px; align-items: end; margin-bottom: 64px; }
h2 { margin-bottom: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.3rem, 4.5vw, 4rem); line-height: 1.05; letter-spacing: -.045em; font-weight: 500; }
.section-heading > p { margin-bottom: 5px; color: var(--muted); }
.process { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.process li { position: relative; padding: 28px 26px 0 0; }
.process li::before { content: ""; position: absolute; top: -4px; left: 0; width: 8px; height: 8px; border-radius: 50%; background: var(--mint-deep); }
.step { display: block; margin-bottom: 42px; color: var(--mint-deep); font-family: ui-monospace, monospace; font-size: .72rem; font-weight: 900; }
.process h3 { margin-bottom: 10px; font-size: 1.05rem; }
.process p { color: var(--muted); font-size: .9rem; }

.example-section { background: var(--white); }
.example-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(50px, 8vw, 110px); align-items: center; }
.example-copy > p:not(.kicker) { margin-top: 26px; color: var(--muted); }
.caution { display: grid; grid-template-columns: auto 1fr; gap: 14px; margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--line); font-size: .82rem; }
.caution strong { color: #b64d3d; }
.comparison { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: 0 18px 55px rgba(7,26,44,.08); }
.comparison-item { padding: 30px 34px; }
.comparison-item + .comparison-item { border-top: 1px solid var(--line); }
.comparison-item.weak { background: #fff8f6; }
.comparison-item.strong { background: #f1fbf7; }
.comparison-tag { display: inline-block; margin-bottom: 16px; padding: 4px 8px; border-radius: 4px; font-size: .63rem; font-weight: 900; text-transform: uppercase; letter-spacing: .07em; }
.weak .comparison-tag { color: #a44335; background: #ffe1da; }
.strong .comparison-tag { color: #136c53; background: #d6f5e8; }
.comparison h3 { font-family: Georgia, serif; font-size: 1.45rem; font-weight: 500; }
.comparison ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: .88rem; }
.comparison li + li { margin-top: 6px; }
.example-disclaimer { margin: 0; padding: 13px 34px; background: #edf1ef; color: #6d7b82; font-size: .66rem; }

.control-section { color: var(--white); background: var(--ink); }
.control-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(55px, 9vw, 120px); }
.kicker-light { color: var(--mint); }
.control-list { border-top: 1px solid rgba(255,255,255,.18); }
.control-list > div { display: grid; grid-template-columns: 100px 1fr; gap: 24px; padding: 25px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.control-list span { color: var(--mint); font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; font-weight: 900; }
.control-list p { margin: 0; color: rgba(255,255,255,.7); font-size: .9rem; }

.project-section { background: #e8efeb; }
.project-card { display: grid; grid-template-columns: 1.2fr .8fr; align-items: end; gap: 80px; }
.project-card > p { margin: 0; padding: 26px; background: var(--white); border-left: 4px solid var(--mint-deep); color: var(--muted); box-shadow: 0 12px 38px rgba(7,26,44,.07); }

footer { background: #04121f; color: rgba(255,255,255,.65); }
.footer-inner { min-height: 120px; display: flex; align-items: center; justify-content: space-between; gap: 30px; font-size: .75rem; }
.brand-footer { color: var(--white); }
.footer-inner p { margin: 0; }

@media (max-width: 900px) {
  nav { display: none; }
  .hero-grid, .section-heading, .example-grid, .control-grid, .project-card { grid-template-columns: 1fr; }
  .hero-grid { gap: 70px; }
  .audit-window { max-width: 590px; transform: none; }
  .section-heading { gap: 24px; }
  .process { grid-template-columns: repeat(2, 1fr); row-gap: 34px; }
  .project-card { gap: 38px; }
}

@media (max-width: 600px) {
  .shell { width: min(100% - 28px, 1160px); }
  .nav-wrap { height: 74px; }
  .nav-wrap > .button { display: none; }
  .hero { padding: 132px 0 72px; }
  h1 { font-size: clamp(3rem, 16vw, 4.3rem); }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .trust-list { display: grid; gap: 8px; }
  .window-bar { grid-template-columns: 1fr 1fr; }
  .window-bar > span:nth-child(2) { display: none; }
  .principle-inner { align-items: flex-start; }
  .section { padding: 78px 0; }
  .process { grid-template-columns: 1fr; }
  .step { margin-bottom: 20px; }
  .caution, .control-list > div { grid-template-columns: 1fr; gap: 6px; }
  .footer-inner { padding-block: 34px; align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}