:root {
  --bg: #f2ece1;
  --surface: rgba(255, 252, 246, 0.9);
  --surface-strong: #fffdf8;
  --ink: #161d21;
  --muted: #5b666d;
  --line: #d7cab8;
  --accent: #004f5d;
  --accent-soft: rgba(0, 95, 115, 0.1);
  --accent-panel: #e6f1f3;
  --ok: #1b7f4b;
  --ok-soft: rgba(27, 127, 75, 0.12);
  --warn: #b56200;
  --warn-soft: rgba(181, 98, 0, 0.14);
  --stop: #b42318;
  --stop-soft: rgba(180, 35, 24, 0.12);
  --shadow: 0 24px 70px rgba(22, 29, 33, 0.08);
  --shadow-strong: 0 28px 90px rgba(22, 29, 33, 0.12);
  --code-bg: #132025;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(0, 95, 115, 0.12), transparent 26%),
    radial-gradient(circle at top right, rgba(181, 98, 0, 0.08), transparent 20%),
    linear-gradient(180deg, #f8f2e7 0%, var(--bg) 100%);
}

.page {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 64px;
}

.hero,
.section {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 20px;
  padding: 38px;
  box-shadow: var(--shadow-strong);
}

.section {
  margin-top: 24px;
  padding: 28px;
}

.eyebrow,
.section-kicker,
.mini-label {
  margin: 0 0 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0 0 12px;
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
}

h1 {
  max-width: 10ch;
  font-size: clamp(3.1rem, 7.5vw, 5.9rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
}

h3 {
  font-size: 1.18rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.lede,
.body-copy,
p,
li,
td,
th {
  font-size: 1rem;
  line-height: 1.7;
}

.lede {
  max-width: 720px;
  font-size: 1.18rem;
  color: var(--muted);
}

.body-copy {
  max-width: 720px;
}

.hero-list {
  margin: 18px 0 0;
  padding-left: 18px;
}

.hero-list li + li {
  margin-top: 4px;
}

.actions,
.footer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 18px;
  border: 1px solid var(--ink);
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  background: transparent;
}

.button.primary {
  color: #fff;
  background: var(--ink);
}

.button:hover {
  transform: translateY(-1px);
}

.hero-panel,
.info-card,
.summary-card,
.demo-copy,
.demo-image {
  background: var(--surface-strong);
  border: 1px solid var(--line);
}

.hero-panel {
  padding: 20px;
  background:
    linear-gradient(180deg, rgba(230, 241, 243, 0.9) 0%, rgba(255, 253, 248, 1) 100%);
}

.loop,
pre,
code {
  font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
}

.loop {
  margin: 0 0 18px;
  font-size: 1.02rem;
  line-height: 1.7;
}

.loop span {
  color: var(--accent);
  font-weight: 700;
}

.hero-status {
  margin-bottom: 18px;
  padding: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
}

.status-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.status-chip {
  display: inline-flex;
  padding: 5px 10px;
  border-radius: 999px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
}

.status-note {
  color: var(--muted);
  font-size: 0.92rem;
}

.status-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 12px;
}

.status-grid span,
.status-grid strong {
  font-size: 0.95rem;
}

.hero-points {
  margin: 0;
  padding-left: 18px;
}

.why-grid,
.intro-grid,
.summary-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.info-card,
.summary-card {
  padding: 18px;
}

.why-grid .wide {
  grid-column: span 7;
}

.why-grid .spotlight {
  grid-column: span 5;
}

.why-grid .offset {
  grid-column: 4 / span 6;
}

.intro-grid .intro-lead {
  grid-column: span 6;
  background:
    linear-gradient(180deg, rgba(230, 241, 243, 0.68) 0%, rgba(255, 253, 248, 1) 100%);
}

.intro-grid .intro-mid {
  grid-column: span 3;
  align-self: start;
}

.intro-grid .intro-tail {
  grid-column: span 3;
  margin-top: 22px;
}

.spotlight {
  background:
    linear-gradient(180deg, rgba(230, 241, 243, 0.95) 0%, rgba(255, 253, 248, 1) 100%);
}

.summary-grid .lead {
  grid-column: span 5;
  background:
    linear-gradient(180deg, rgba(230, 241, 243, 0.78) 0%, rgba(255, 253, 248, 1) 100%);
}

.summary-grid .compact {
  grid-column: span 3;
  align-self: end;
}

.summary-grid .wide {
  grid-column: span 4;
  margin-top: 18px;
}

.story-head {
  margin-bottom: 18px;
}

.story-copy {
  max-width: 760px;
  color: var(--muted);
}

.demo-grid {
  display: grid;
  gap: 18px;
}

.demo-card {
  display: grid;
  grid-template-columns: minmax(280px, 0.92fr) minmax(0, 1.08fr);
  gap: 18px;
  align-items: stretch;
}

.demo-copy,
.demo-image {
  padding: 18px;
}

.demo-copy {
  background:
    linear-gradient(180deg, #162328 0%, #132025 100%);
  border-color: #20343b;
  color: #eef2eb;
}

.demo-copy p {
  color: rgba(238, 242, 235, 0.88);
}

.demo-copy h3 {
  color: #fffdf8;
}

.case-label {
  display: inline-flex;
  margin: 0 0 12px;
  padding: 5px 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 999px;
}

.case-ok {
  color: var(--ok);
  background: var(--ok-soft);
}

.case-review {
  color: var(--warn);
  background: var(--warn-soft);
}

.case-stop {
  color: var(--stop);
  background: var(--stop-soft);
}

pre {
  margin: 18px 0 0;
  padding: 14px 16px;
  overflow-x: auto;
  color: #f8f2e7;
  background: rgba(8, 15, 18, 0.48);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.demo-image {
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    linear-gradient(180deg, rgba(230, 241, 243, 0.72) 0%, rgba(255, 253, 248, 1) 100%);
}

.image-frame {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 18px 42px rgba(22, 29, 33, 0.08);
}

.demo-image img {
  display: block;
  width: 100%;
  height: auto;
}

.footer-callout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
  align-items: center;
}

a {
  color: var(--accent);
}

code {
  font-size: 0.95em;
}

@media (max-width: 980px) {
  .hero,
  .demo-card,
  .footer-callout {
    grid-template-columns: 1fr;
  }

  .why-grid,
  .intro-grid,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .why-grid .wide,
  .why-grid .spotlight,
  .why-grid .offset,
  .intro-grid .intro-lead,
  .intro-grid .intro-mid,
  .intro-grid .intro-tail,
  .summary-grid .lead,
  .summary-grid .compact,
  .summary-grid .wide {
    grid-column: auto;
  }

  .intro-grid .intro-tail,
  .summary-grid .wide {
    margin-top: 0;
  }

  h1 {
    max-width: none;
  }
}

@media (max-width: 720px) {
  .page {
    width: min(100% - 18px, 1180px);
    padding-top: 18px;
  }

  .hero,
  .section {
    padding: 20px;
  }

  .lede {
    font-size: 1.06rem;
  }

  .button {
    width: 100%;
  }
}