:root {
  --ink: #111716;
  --ink-2: #1a2321;
  --paper: #f7f4ec;
  --surface: #fffdf8;
  --surface-2: #efebe0;
  --line: #d8d1c2;
  --text: #17201f;
  --muted: #66716d;
  --accent: #16756b;
  --accent-2: #d9f2ed;
  --good: #127a55;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

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

code,
pre,
.eyebrow,
.brand small,
.status {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.hero-shell {
  background:
    radial-gradient(circle at 80% 20%, rgba(22, 117, 107, 0.24), transparent 30%),
    linear-gradient(145deg, var(--ink), var(--ink-2));
  color: #eef5f1;
}

.nav,
.hero,
main {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 12px;
  color: #c7fff5;
  font-weight: 800;
}

.brand strong {
  display: block;
  font-size: 15px;
}

.brand small {
  display: block;
  color: rgba(238, 245, 241, 0.66);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-link {
  color: rgba(238, 245, 241, 0.78);
  font-size: 14px;
  font-weight: 700;
}

.hero {
  max-width: 940px;
  margin-left: auto;
  margin-right: auto;
  padding: 104px 0 128px;
  text-align: center;
}

.eyebrow {
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.1em;
  margin: 0 0 14px;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #80eadb;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(46px, 7vw, 86px);
  letter-spacing: -0.045em;
  line-height: 0.95;
  margin-bottom: 26px;
}

h2 {
  font-size: clamp(30px, 4vw, 52px);
  letter-spacing: -0.035em;
  line-height: 1;
  margin-bottom: 18px;
}

h3 {
  font-size: 21px;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.hero-copy {
  max-width: 720px;
  margin: 0 auto;
  color: rgba(238, 245, 241, 0.78);
  font-size: clamp(18px, 2vw, 22px);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: #e8fff9;
  color: #082b27;
  font-weight: 800;
  padding: 0 20px;
}

.button.secondary {
  background: transparent;
  border: 1px solid rgba(232, 255, 249, 0.42);
  color: #e8fff9;
}

main {
  padding: 0 0 90px;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  transform: translateY(-34px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: 0 24px 70px rgba(17, 23, 22, 0.12);
}

.proof-strip span {
  padding: 22px 18px;
  text-align: center;
  font-weight: 800;
  border-right: 1px solid var(--line);
}

.proof-strip span:last-child {
  border-right: 0;
}

.section {
  margin-bottom: 26px;
  padding: clamp(28px, 4vw, 54px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--surface);
}

.intro,
.split,
.run-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.intro p,
.section-heading p {
  color: var(--muted);
  max-width: 680px;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 28px;
}

.path-list {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr;
  gap: 16px;
}

.path-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface-2);
}

.path-card.primary {
  background: #e4f5ef;
  border-color: #9fcfc3;
}

.status {
  display: inline-flex;
  margin-bottom: 18px;
  border-radius: 999px;
  background: var(--good);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 6px 10px;
  text-transform: uppercase;
}

.status.muted {
  background: #d9d3c7;
  color: #4d5552;
}

.path-card p {
  color: var(--muted);
}

dl {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
}

dl div {
  display: grid;
  gap: 2px;
}

dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

dd {
  margin: 0;
  font-weight: 700;
}

.demo-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 22px;
  align-items: stretch;
}

figure {
  margin: 0;
}

.screenshot {
  overflow: hidden;
  border: 1px solid #25302e;
  border-radius: 24px;
  background: #121817;
  box-shadow: 0 24px 60px rgba(17, 23, 22, 0.16);
}

.screenshot img {
  display: block;
  width: 100%;
  height: 430px;
  object-fit: cover;
  object-position: top left;
}

figcaption {
  padding: 14px 18px;
  color: #d5e6e1;
  font-size: 14px;
}

.evidence {
  display: grid;
  gap: 12px;
}

.evidence div,
.plain-list li {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-2);
}

.evidence strong,
.evidence span {
  display: block;
}

.evidence span {
  color: var(--muted);
}

.screen-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.screen-row figure {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-2);
}

.screen-row img {
  display: block;
  width: 100%;
  height: 150px;
  object-fit: cover;
  object-position: top left;
}

.screen-row figcaption {
  color: var(--text);
  font-weight: 800;
}

.plain-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.run-card pre {
  margin: 0;
  padding: 22px;
  overflow-x: auto;
  border-radius: 20px;
  background: var(--ink);
  color: #d8fff7;
}

@media (max-width: 900px) {
  .intro,
  .split,
  .run-card,
  .demo-grid,
  .path-list {
    grid-template-columns: 1fr;
  }

  .proof-strip,
  .screen-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .proof-strip span:nth-child(2) {
    border-right: 0;
  }

  .nav {
    align-items: flex-start;
    gap: 20px;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .nav,
  .hero,
  main {
    width: min(100% - 24px, 1120px);
  }

  .hero {
    padding: 72px 0 96px;
    text-align: left;
  }

  .hero-actions {
    justify-content: flex-start;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .proof-strip,
  .screen-row {
    grid-template-columns: 1fr;
  }

  .proof-strip span {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .proof-strip span:last-child {
    border-bottom: 0;
  }

  .screenshot img {
    height: 280px;
  }
}