:root {
  --paper: #f2ebde;
  --paper-strong: #eadfcf;
  --char: #0f202c;
  --char-soft: rgba(15, 32, 44, 0.72);
  --inkline: rgba(15, 32, 44, 0.14);
  --signal: #c8562f;
  --signal-deep: #9e3918;
  --teal: #1f6f78;
  --pine: #3f5f4f;
  --gold: #ad7f30;
  --night: #10222e;
  --night-deep: #0a141c;
  --white: #fffdf9;
  --shadow: 0 28px 80px rgba(16, 34, 46, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--char);
  background:
    radial-gradient(circle at top left, rgba(200, 86, 47, 0.14), transparent 26%),
    linear-gradient(140deg, rgba(31, 111, 120, 0.09), transparent 35%),
    repeating-linear-gradient(90deg, rgba(15, 32, 44, 0.03) 0 1px, transparent 1px 96px),
    var(--paper);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.1), rgba(255,255,255,0.1)),
    linear-gradient(transparent 0, rgba(15, 32, 44, 0.015) 100%);
  mix-blend-mode: soft-light;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(rgba(255,255,255,0.16) 0.7px, transparent 0.7px),
    radial-gradient(rgba(15, 32, 44, 0.08) 0.7px, transparent 0.7px);
  background-position: 0 0, 12px 14px;
  background-size: 26px 26px;
  opacity: 0.32;
}

a {
  color: inherit;
}

code,
pre,
.eyebrow,
.site-nav a,
.button,
.step-tag,
.command-label,
.footer-meta,
.panel-kicker,
.brand-copy small {
  font-family: "IBM Plex Mono", monospace;
}

.site-header,
main,
.site-footer {
  width: min(1180px, calc(100vw - 40px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(140deg, var(--signal), var(--signal-deep));
  color: var(--white);
  font-family: "Fraunces", serif;
  font-size: 1.3rem;
  font-weight: 700;
  box-shadow: 0 14px 28px rgba(200, 86, 47, 0.24);
}

.brand-copy strong,
.brand-copy small {
  display: block;
}

.brand-copy strong {
  font-size: 0.98rem;
}

.brand-copy small,
.site-nav a {
  font-size: 0.72rem;
  color: var(--char-soft);
}

.brand-copy small,
.site-nav a,
.eyebrow,
.panel-kicker,
.step-tag,
.command-label,
.footer-meta {
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

.site-nav a {
  text-decoration: none;
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -5px;
  height: 1px;
  transform: scaleX(0);
  transform-origin: center;
  background: var(--char);
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-decoration: none;
  padding: 13px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--signal), var(--signal-deep));
  color: var(--white);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  box-shadow: 0 16px 30px rgba(200, 86, 47, 0.22);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 22px 34px rgba(200, 86, 47, 0.24);
}

.button-ghost {
  background: rgba(15, 32, 44, 0.04);
  color: var(--char);
  border-color: var(--inkline);
  box-shadow: none;
}

main {
  padding: 28px 0 80px;
}

.hero {
  display: grid;
  grid-template-columns: 1.35fr 0.95fr;
  gap: 28px;
  align-items: stretch;
}

.hero-copy {
  padding: 24px 0 20px;
}

.eyebrow {
  color: var(--signal);
  font-size: 0.72rem;
  margin-bottom: 16px;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Fraunces", serif;
  line-height: 0.95;
}

h1 {
  font-size: clamp(3.5rem, 8vw, 7.2rem);
  max-width: 8ch;
}

h2 {
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  max-width: 11ch;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.lede,
.platform-card p,
.workflow-step p,
.command-copy p,
.command-card p,
.migration-grid p,
.site-footer p {
  color: var(--char-soft);
  line-height: 1.7;
}

.lede {
  max-width: 58ch;
  margin: 22px 0 0;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-panel {
  position: relative;
  align-self: center;
  border: 1px solid var(--inkline);
  background:
    linear-gradient(145deg, rgba(255,255,255,0.68), rgba(255,255,255,0.22)),
    linear-gradient(120deg, rgba(31, 111, 120, 0.09), rgba(200, 86, 47, 0.08));
  border-radius: 30px;
  padding: 22px;
  box-shadow: var(--shadow);
}

.hero-panel::after {
  content: "";
  position: absolute;
  inset: 16px;
  border-radius: 22px;
  border: 1px dashed rgba(15, 32, 44, 0.12);
  pointer-events: none;
}

.panel-kicker {
  font-size: 0.72rem;
  color: var(--char-soft);
  margin-bottom: 14px;
}

.terminal {
  background: var(--night-deep);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.05);
}

.terminal-bar {
  display: flex;
  gap: 8px;
  padding: 14px 16px;
  background: rgba(255,255,255,0.05);
}

.terminal-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
}

.terminal pre {
  margin: 0;
  padding: 18px 18px 22px;
  overflow: auto;
}

.terminal code {
  color: #dce6ec;
  font-size: 0.9rem;
  line-height: 1.75;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.signal-grid article {
  padding: 14px;
  border-radius: 18px;
  background: rgba(255,255,255,0.55);
  border: 1px solid rgba(15, 32, 44, 0.1);
}

.signal-grid strong {
  display: block;
  font-family: "Fraunces", serif;
  font-size: 2rem;
}

.signal-grid span {
  display: block;
  margin-top: 6px;
  color: var(--char-soft);
  font-size: 0.9rem;
  line-height: 1.4;
}

.band {
  position: relative;
  margin-top: 54px;
  padding: 34px 36px;
  border-radius: 32px;
  border: 1px solid var(--inkline);
  box-shadow: var(--shadow);
}

.band-light {
  background: rgba(255, 252, 247, 0.82);
}

.band-dark {
  color: var(--white);
  background:
    radial-gradient(circle at top right, rgba(200, 86, 47, 0.25), transparent 24%),
    linear-gradient(145deg, #0e1d29, #152735 56%, #0d1821);
  border-color: rgba(255,255,255,0.08);
}

.band-dark .eyebrow,
.band-dark .panel-kicker {
  color: #f2af8f;
}

.band-dark .lede,
.band-dark p,
.band-dark .command-card p,
.band-dark .migration-grid p {
  color: rgba(240, 246, 250, 0.72);
}

.band-paper {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.44), rgba(255,255,255,0)),
    var(--paper-strong);
}

.band-accent {
  background:
    radial-gradient(circle at bottom left, rgba(31, 111, 120, 0.16), transparent 30%),
    linear-gradient(145deg, rgba(255,255,255,0.72), rgba(255,255,255,0.36)),
    #f0e7d8;
}

.section-head {
  display: grid;
  gap: 8px;
  margin-bottom: 28px;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.surface-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.platform-card {
  min-height: 220px;
  padding: 22px;
  border-radius: 24px;
  background: rgba(255,255,255,0.56);
  border: 1px solid rgba(15, 32, 44, 0.1);
}

.platform-index {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--signal);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.workflow {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.workflow-step {
  padding: 24px;
  border-radius: 28px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}

.step-tag,
.command-label {
  display: inline-flex;
  margin-bottom: 16px;
  font-size: 0.72rem;
  color: #f2af8f;
}

.workflow-step pre {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(0,0,0,0.22);
  overflow: auto;
}

.workflow-step code {
  color: #f8fbfd;
  font-size: 0.9rem;
}

.marquee {
  overflow: hidden;
  margin-top: 22px;
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 18px;
}

.marquee-track {
  width: max-content;
  font-family: "Fraunces", serif;
  font-size: clamp(2.8rem, 8vw, 6rem);
  line-height: 1;
  letter-spacing: 0.02em;
  color: rgba(255,255,255,0.14);
  animation: sweep 24s linear infinite;
  white-space: nowrap;
}

@keyframes sweep {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.command-layout {
  display: grid;
  grid-template-columns: 1fr 0.95fr;
  gap: 22px;
  align-items: start;
}

.compact-layout {
  margin-top: 22px;
}

.command-stack {
  display: grid;
  gap: 14px;
}

.command-card {
  padding: 20px 22px;
  border: 1px solid rgba(15, 32, 44, 0.1);
  border-radius: 22px;
  background: rgba(255,255,255,0.5);
}

.command-card code {
  display: block;
  margin-bottom: 10px;
  font-size: 1rem;
  color: var(--char);
}

.api-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
  align-items: stretch;
}

.api-window {
  min-height: 100%;
  padding: 24px;
  border-radius: 26px;
  border: 1px solid rgba(15, 32, 44, 0.1);
  background: rgba(255,255,255,0.56);
}

.api-window-dark {
  background:
    radial-gradient(circle at top left, rgba(31, 111, 120, 0.18), transparent 30%),
    linear-gradient(145deg, #0e1d29, #152735 56%, #0d1821);
  color: var(--white);
  border-color: rgba(255,255,255,0.08);
}

.api-window-dark .table-note {
  color: rgba(240, 246, 250, 0.72);
}

.api-window pre {
  margin: 0;
  padding: 16px 18px;
  border-radius: 20px;
  overflow: auto;
  background: rgba(12, 22, 30, 0.92);
  color: #ecf4f7;
}

.route-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.plugin-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.plugin-chip {
  padding: 18px;
  border-radius: 20px;
  border: 1px solid rgba(15, 32, 44, 0.1);
  background: rgba(255,255,255,0.58);
}

.plugin-chip strong,
.plugin-chip span {
  display: block;
}

.plugin-chip strong {
  font-size: 1rem;
  margin-bottom: 8px;
}

.plugin-chip span {
  color: var(--char-soft);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.stat-tape {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.stat-tape article {
  padding: 18px;
  border-radius: 22px;
  border: 1px solid rgba(15, 32, 44, 0.1);
  background: rgba(255,255,255,0.54);
}

.stat-tape strong {
  display: block;
  font-family: "Fraunces", serif;
  font-size: 2.2rem;
}

.stat-tape span {
  display: block;
  margin-top: 6px;
  color: var(--char-soft);
}

.verify-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.verify-card {
  padding: 22px;
  border-radius: 24px;
  border: 1px solid rgba(15, 32, 44, 0.1);
  background: rgba(255,255,255,0.56);
}

.migration-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.migration-grid article {
  padding: 22px;
  border-radius: 24px;
  background: rgba(255,255,255,0.56);
  border: 1px solid rgba(15, 32, 44, 0.1);
}

.cta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.site-footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  padding: 0 0 36px;
}

.site-footer p {
  margin: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .hero,
  .command-layout,
  .migration-grid,
  .api-layout {
    grid-template-columns: 1fr;
  }

  .platform-grid,
  .workflow,
  .surface-grid,
  .plugin-grid,
  .verify-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .site-header,
  .site-footer,
  main {
    width: min(100vw - 24px, 1180px);
  }

  .site-header,
  .site-footer {
    flex-direction: column;
    align-items: start;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 10px 14px;
  }

  .platform-grid,
  .workflow,
  .migration-grid,
  .signal-grid,
  .surface-grid,
  .route-grid,
  .plugin-grid,
  .verify-grid,
  .stat-tape {
    grid-template-columns: 1fr;
  }

  .band,
  .hero-panel {
    padding: 20px;
  }

  h1 {
    max-width: none;
  }
}