:root {
  --bg: #f5f1e8;
  --paper: #fffaf1;
  --ink: #1f2933;
  --muted: #667085;
  --line: rgba(31, 41, 51, 0.13);
  --brand: #b42318;
  --brand-dark: #7a1f18;
  --accent: #0f766e;
  --soft: #eadfce;
  --shadow: 0 22px 70px rgba(31, 41, 51, 0.12);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 120px;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(180, 35, 24, 0.14), transparent 34rem),
    radial-gradient(circle at 80% 20%, rgba(15, 118, 110, 0.13), transparent 28rem),
    var(--bg);
  line-height: 1.65;
}

a {
  color: inherit;
}

.hero {
  min-height: 88vh;
  padding: 116px 24px 24px;
  display: flex;
  flex-direction: column;
}

.topbar {
  max-width: 1180px;
  width: calc(100% - 48px);
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 20px;
  background: rgba(255, 250, 241, 0.86);
  border: 1px solid var(--line);
  border-radius: 999px;
  backdrop-filter: blur(14px);
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  box-shadow: 0 14px 48px rgba(31, 41, 51, 0.12);
}

.brand {
  text-decoration: none;
  font-weight: 850;
  letter-spacing: -0.04em;
  font-size: clamp(1.25rem, 2vw, 1.65rem);
}

.brand span {
  color: var(--brand);
}

.navlinks {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
  font-size: 0.94rem;
}

.navlinks a {
  text-decoration: none;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 999px;
}

.navlinks a:hover {
  color: var(--ink);
  background: rgba(31, 41, 51, 0.06);
}

.hero-inner {
  max-width: 980px;
  margin: auto;
  text-align: center;
  padding: 80px 0;
}

.eyebrow,
.section-kicker {
  color: var(--brand);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 800;
  font-size: 0.78rem;
  margin: 0 0 12px;
}

h1,
h2,
h3 {
  line-height: 1.12;
  margin: 0;
  letter-spacing: -0.04em;
}

h1 {
  font-size: clamp(4rem, 11vw, 9rem);
}

h2 {
  font-size: clamp(2rem, 5vw, 4.2rem);
  margin-bottom: 18px;
}

h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

p {
  margin: 0 0 16px;
}

.subtitle {
  max-width: 760px;
  margin: 18px auto 0;
  font-size: clamp(1.15rem, 2.2vw, 1.55rem);
  color: var(--muted);
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn,
.inline-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 999px;
  padding: 13px 19px;
  font-weight: 800;
  border: 1px solid var(--line);
}

.btn.primary {
  background: var(--brand);
  color: white;
  border-color: var(--brand);
}

.btn.secondary,
.inline-btn {
  background: rgba(255, 250, 241, 0.76);
  color: var(--ink);
}

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

.section {
  background: rgba(255, 250, 241, 0.82);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(28px, 5vw, 58px);
  margin: 26px 0;
  box-shadow: var(--shadow);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 28px;
  align-items: stretch;
}

.flow-card,
.panel,
.card,
.topic-box,
.code-card,
.mockup,
.article-box,
.comment-box,
.note {
  background: rgba(245, 241, 232, 0.72);
  border: 1px solid var(--line);
  border-radius: 20px;
}

.flow-card {
  padding: 28px;
}

.flow-list {
  padding-left: 20px;
  margin: 0;
}

.flow-list li + li {
  margin-top: 10px;
}

.cards {
  display: grid;
  gap: 16px;
}

.cards.three {
  grid-template-columns: repeat(3, 1fr);
}

.cards.four {
  grid-template-columns: repeat(4, 1fr);
}

.cards.five {
  grid-template-columns: repeat(5, 1fr);
}

.card {
  padding: 22px;
}

.card p,
.panel p,
.comment-box p,
.article-box p {
  color: var(--muted);
}

.highlight {
  background: linear-gradient(135deg, rgba(122, 31, 24, 0.96), rgba(31, 41, 51, 0.96));
  color: white;
}

.highlight .section-kicker,
.highlight p,
.highlight li {
  color: rgba(255, 255, 255, 0.78);
}

.big-quote {
  color: white !important;
  font-size: clamp(1.6rem, 4vw, 3.2rem);
  font-weight: 850;
  letter-spacing: -0.05em;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.panel {
  padding: 24px;
}

.note {
  margin-top: 18px;
  padding: 18px 20px;
  border-left: 5px solid var(--accent);
}

.do-dont {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.good,
.bad {
  border-radius: 20px;
  padding: 24px;
  border: 1px solid var(--line);
}

.good {
  background: rgba(15, 118, 110, 0.09);
}

.bad {
  background: rgba(180, 35, 24, 0.08);
}

.mockup {
  overflow: hidden;
  margin-bottom: 20px;
}

.mockup-header {
  background: var(--ink);
  color: white;
  padding: 16px 20px;
  font-weight: 850;
}

.news-row {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  gap: 14px;
  padding: 16px 20px;
  border-top: 1px solid var(--line);
  align-items: center;
}

.news-row em {
  color: var(--muted);
  font-style: normal;
  font-size: 0.92rem;
}

.layout-preview {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 16px;
}

.article-box,
.comment-box {
  padding: 24px;
}

.source {
  color: var(--brand) !important;
  font-weight: 800;
}

.timeline,
.roadmap {
  display: grid;
  gap: 12px;
}

.timeline div,
.roadmap div {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 14px;
  padding: 16px;
  background: rgba(245, 241, 232, 0.72);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.timeline strong,
.roadmap strong {
  color: var(--brand-dark);
}

.rules {
  margin: 0;
  padding-left: 22px;
  columns: 2;
  column-gap: 42px;
}

.rules li {
  break-inside: avoid;
  margin-bottom: 10px;
}

.tags,
.source-grid,
.checklist,
.module-grid,
.slogans,
.code-card {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tags span,
.source-grid span,
.checklist span,
.module-grid span,
.slogans span,
.code-card code {
  display: inline-flex;
  padding: 10px 13px;
  border-radius: 999px;
  background: rgba(31, 41, 51, 0.07);
  border: 1px solid var(--line);
  font-weight: 750;
}

.tags.muted span {
  color: var(--muted);
  font-weight: 650;
}

.topic-box {
  margin-top: 20px;
  padding: 24px;
  color: var(--ink);
  background: rgba(255, 250, 241, 0.95);
}

.topic-box p,
.topic-box li {
  color: var(--ink) !important;
}

.code-card {
  padding: 20px;
}

.footer {
  max-width: 1180px;
  margin: 0 auto 32px;
  padding: 24px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.footer a {
  font-weight: 800;
  color: var(--brand);
}

@media (max-width: 980px) {
  html {
    scroll-padding-top: 180px;
  }

  .hero {
    padding-top: 174px;
  }

  .topbar {
    align-items: flex-start;
    border-radius: 26px;
    flex-direction: column;
  }

  .navlinks {
    justify-content: flex-start;
  }

  .intro-grid,
  .split,
  .do-dont,
  .layout-preview,
  .cards.three,
  .cards.four,
  .cards.five {
    grid-template-columns: 1fr;
  }

  .news-row {
    grid-template-columns: 30px 1fr;
  }

  .news-row em {
    grid-column: 2;
  }

  .timeline div,
  .roadmap div {
    grid-template-columns: 1fr;
  }

  .rules {
    columns: 1;
  }
}

@media (max-width: 560px) {
  html {
    scroll-padding-top: 220px;
  }

  .hero {
    padding: 210px 14px 14px;
  }

  .topbar {
    width: calc(100% - 28px);
    top: 10px;
    max-height: calc(100vh - 20px);
    overflow-y: auto;
  }

  main {
    padding: 0 14px 50px;
  }

  .section {
    border-radius: 18px;
  }

  .navlinks a {
    padding: 7px 8px;
  }
}