:root {
  color-scheme: light;
  --bg: #fff8ef;
  --bg-deep: #f2e9dd;
  --ink: #111827;
  --muted: #5e6473;
  --line: rgba(17, 24, 39, 0.11);
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: rgba(255, 255, 255, 0.9);
  --blue: #1560ff;
  --blue-soft: rgba(21, 96, 255, 0.14);
  --coral: #e35c3c;
  --coral-soft: rgba(227, 92, 60, 0.14);
  --gold: #c49017;
  --shadow-lg: 0 28px 80px rgba(31, 41, 55, 0.16);
  --shadow-md: 0 18px 46px rgba(31, 41, 55, 0.1);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 18px;
  --content-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 8%, rgba(21, 96, 255, 0.1), transparent 24%),
    radial-gradient(circle at 88% 12%, rgba(227, 92, 60, 0.11), transparent 22%),
    linear-gradient(180deg, var(--bg) 0%, #fffdf9 52%, var(--bg-deep) 100%);
  font-family: "Space Grotesk", "Avenir Next", "Segoe UI", sans-serif;
  line-height: 1.55;
  overflow-x: hidden;
}

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

button,
a.button {
  font: inherit;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.06;
  background-image:
    linear-gradient(rgba(17, 24, 39, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 24, 39, 0.04) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: radial-gradient(circle at center, black 62%, transparent 100%);
}

.orb {
  position: fixed;
  border-radius: 999px;
  filter: blur(30px);
  opacity: 0.6;
  pointer-events: none;
}

.orb-a {
  width: 320px;
  height: 320px;
  top: 120px;
  left: -100px;
  background: rgba(21, 96, 255, 0.12);
}

.orb-b {
  width: 280px;
  height: 280px;
  top: 30%;
  right: -90px;
  background: rgba(227, 92, 60, 0.12);
}

.orb-c {
  width: 240px;
  height: 240px;
  bottom: 12%;
  left: 18%;
  background: rgba(196, 144, 23, 0.1);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: calc(var(--content-width) + 40px);
  margin: 0 auto;
  padding: 16px 20px 0;
}

.topbar::before {
  content: "";
  position: absolute;
  inset: 8px 20px auto;
  height: calc(100% - 8px);
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 999px;
  background: rgba(255, 252, 247, 0.72);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-md);
  z-index: -1;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--blue), #1d8bff);
  color: white;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding: 8px;
}

.topnav a,
.repo-link {
  padding: 10px 12px;
  border-radius: 999px;
  color: var(--muted);
  transition:
    color 180ms ease,
    background-color 180ms ease,
    transform 180ms ease;
}

.topnav a.is-active,
.topnav a:hover,
.repo-link:hover {
  color: var(--ink);
  background: rgba(17, 24, 39, 0.06);
  transform: translateY(-1px);
}

.repo-link {
  margin-right: 6px;
}

.page {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 34px 20px 96px;
}

.hero,
.section {
  margin-top: 26px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 28px;
  align-items: center;
}

.hero-copy,
.hero-stage,
.section,
.cta-card,
.scope-card,
.demo-note,
.window-card,
.issue-card,
.check-card,
.workflow-step,
.stat-card {
  position: relative;
}

.hero-copy,
.section,
.cta-card,
.scope-card,
.demo-note,
.window-card,
.issue-card,
.check-card,
.workflow-step {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-lg);
}

.hero-copy {
  padding: 34px;
}

.hero-stage {
  min-height: 100%;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(17, 24, 39, 0.06);
  color: var(--muted);
  font-size: 0.77rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.04;
}

h1 {
  margin-top: 18px;
  font-size: clamp(3.2rem, 8vw, 6.2rem);
  letter-spacing: -0.04em;
}

.headline-accent {
  display: inline-block;
  padding: 0 10px 6px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(21, 96, 255, 0.12), rgba(227, 92, 60, 0.16));
  font-family: "Newsreader", Georgia, serif;
  font-style: italic;
  font-weight: 600;
}

.lede,
.section-heading p,
.cta-card p,
.scope-card li,
.issue-card p,
.check-card p,
.workflow-step p,
.demo-note p {
  color: var(--muted);
}

.lede {
  margin: 22px 0 0;
  max-width: 22ch;
  font-size: 1.12rem;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  background: linear-gradient(135deg, var(--blue), #0d79ff);
  color: white;
  box-shadow: 0 18px 40px rgba(21, 96, 255, 0.26);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(17, 24, 39, 0.1);
}

.button.ghost {
  background: transparent;
  border-color: rgba(17, 24, 39, 0.14);
}

.copy-feedback {
  min-height: 26px;
  margin-top: 12px;
  color: var(--blue);
  font-size: 0.95rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.stat-card {
  padding: 18px;
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.66);
}

.stat-label {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-card strong {
  display: block;
  font-size: 1.1rem;
}

.stat-card p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.window-card {
  min-height: 100%;
  padding: 18px 22px 22px;
  background:
    linear-gradient(180deg, rgba(12, 18, 36, 0.98), rgba(17, 24, 39, 0.95)),
    linear-gradient(135deg, rgba(21, 96, 255, 0.16), rgba(227, 92, 60, 0.14));
  color: #e8eefb;
}

.window-top {
  display: flex;
  gap: 8px;
}

.window-top span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
}

.window-top span:nth-child(1) {
  background: #ff7063;
}

.window-top span:nth-child(2) {
  background: #ffcc50;
}

.window-top span:nth-child(3) {
  background: #37d36f;
}

.window-label {
  margin-top: 12px;
  color: rgba(232, 238, 251, 0.72);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.terminal-block {
  margin: 16px 0 0;
  overflow-x: auto;
  font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
  font-size: 0.9rem;
  line-height: 1.75;
  white-space: pre-wrap;
}

.section {
  padding: 30px;
}

.section-heading {
  max-width: 760px;
}

.section-heading h2 {
  margin-top: 16px;
  font-size: clamp(2rem, 4vw, 3.35rem);
  letter-spacing: -0.03em;
}

.section-heading p {
  margin: 16px 0 0;
  font-size: 1.02rem;
}

.problem-grid,
.check-grid,
.workflow-grid,
.start-grid {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.start-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.problem-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.issue-card,
.check-card,
.workflow-step,
.demo-note,
.scope-card,
.start-card {
  padding: 22px;
}

.issue-card h3,
.workflow-step h3,
.demo-note h3,
.start-card h3 {
  margin-bottom: 10px;
  font-size: 1.28rem;
}

.check-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.check-card {
  background: var(--surface-strong);
}

.check-code,
.demo-kicker,
.step-number {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 7px 11px;
  font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
  font-size: 0.78rem;
  background: var(--blue-soft);
  color: var(--blue);
}

.check-card p {
  margin: 14px 0 0;
}

.start-card {
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.72)),
    rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow-md);
}

.start-card p {
  margin: 14px 0 0;
  color: var(--muted);
}

.command-block {
  margin: 16px 0 0;
  padding: 18px;
  overflow-x: auto;
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: var(--radius-md);
  background: rgba(17, 24, 39, 0.04);
  font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
  font-size: 0.9rem;
  line-height: 1.75;
}

.link-stack {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.resource-link {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.82);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.resource-link:hover {
  transform: translateY(-2px);
  border-color: rgba(21, 96, 255, 0.22);
  box-shadow: 0 18px 36px rgba(17, 24, 39, 0.08);
}

.resource-link strong {
  font-size: 1rem;
}

.resource-link span {
  color: var(--muted);
  font-size: 0.94rem;
}

.demo-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.demo-pill {
  padding: 10px 16px;
  border: 1px solid rgba(17, 24, 39, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  cursor: pointer;
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease;
}

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

.demo-pill.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: white;
}

.demo-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(320px, 1.1fr);
  gap: 18px;
  margin-top: 18px;
}

.demo-note ul,
.scope-card ul {
  margin: 18px 0 0;
  padding-left: 18px;
}

.demo-note li,
.scope-card li {
  margin-top: 10px;
}

.demo-output-card {
  min-height: 100%;
}

.workflow-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.step-number {
  margin-bottom: 14px;
  background: var(--coral-soft);
  color: var(--coral);
}

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

.scope-card.positive {
  background:
    linear-gradient(180deg, rgba(21, 96, 255, 0.1), rgba(255, 255, 255, 0.8)),
    rgba(255, 255, 255, 0.85);
}

.scope-card.neutral {
  background:
    linear-gradient(180deg, rgba(227, 92, 60, 0.08), rgba(255, 255, 255, 0.82)),
    rgba(255, 255, 255, 0.85);
}

.cta-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  padding: 28px 30px;
  background:
    linear-gradient(135deg, rgba(12, 18, 36, 0.96), rgba(21, 96, 255, 0.84)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.14), transparent);
  color: white;
}

.cta-card .eyebrow {
  background: rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.82);
}

.cta-card h2 {
  margin-top: 16px;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.04em;
}

.cta-card p {
  margin: 14px 0 0;
  max-width: 60ch;
  color: rgba(255, 255, 255, 0.78);
}

.cta-card .button.secondary {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.18);
  color: white;
}

.footer {
  padding: 0 20px 36px;
  text-align: center;
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 640ms ease,
    transform 640ms ease;
}

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

@media (max-width: 1080px) {
  .hero,
  .demo-layout,
  .cta-card,
  .scope-layout,
  .start-grid {
    grid-template-columns: 1fr;
  }

  .problem-grid,
  .check-grid,
  .workflow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cta-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 760px) {
  .topbar {
    position: static;
    padding-top: 18px;
  }

  .topbar::before {
    display: none;
  }

  .topnav {
    display: none;
  }

  .page {
    padding: 18px 14px 72px;
  }

  .hero-copy,
  .section,
  .cta-card,
  .window-card {
    padding: 20px;
  }

  .stat-grid,
  .problem-grid,
  .check-grid,
  .workflow-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: clamp(2.7rem, 14vw, 4.1rem);
  }

  .section-heading h2,
  .cta-card h2 {
    font-size: clamp(1.8rem, 10vw, 2.4rem);
  }
}