@import url("https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Geist+Mono:wght@400;500;600&family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap");

:root {
  color-scheme: light;

  --paper: #f3f8ff;
  --paper-strong: #e8f0ff;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: #ffffff;
  --surface-soft: rgba(232, 240, 255, 0.7);
  --ink: #11203a;
  --ink-mid: #31425f;
  --ink-soft: #5d6d88;
  --rule: rgba(23, 71, 150, 0.12);
  --rule-strong: rgba(23, 71, 150, 0.2);

  --accent: #0b5cd6;
  --accent-bright: #1a81ff;
  --accent-deep: #0a3d9b;
  --accent-bg: rgba(26, 129, 255, 0.12);
  --accent-bg-strong: rgba(26, 129, 255, 0.18);

  --font-display: "Instrument Serif", Georgia, serif;
  --font-body: "DM Sans", "Avenir Next", system-ui, sans-serif;
  --font-mono: "Geist Mono", "JetBrains Mono", ui-monospace, monospace;

  --shadow-sm: 0 10px 30px rgba(20, 53, 106, 0.08);
  --shadow-md: 0 18px 48px rgba(20, 53, 106, 0.12);
  --shadow-lg: 0 30px 80px rgba(11, 53, 120, 0.16);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.68;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.86), transparent 36%),
    radial-gradient(circle at bottom right, rgba(26, 129, 255, 0.12), transparent 32%),
    linear-gradient(180deg, #f7fbff 0%, #edf4ff 100%);
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

a:focus-visible {
  outline: 2px solid var(--accent-bright);
  outline-offset: 4px;
  border-radius: 6px;
}

img {
  display: block;
  max-width: 100%;
}

code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  color: var(--accent-deep);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(11, 92, 214, 0.14);
  border-radius: 6px;
  padding: 0.06em 0.32em;
}

.page {
  min-height: 100vh;
}

.page-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 12%, rgba(26, 129, 255, 0.12), transparent 22%),
    radial-gradient(circle at 82% 18%, rgba(11, 92, 214, 0.1), transparent 26%),
    radial-gradient(circle at 70% 78%, rgba(80, 155, 255, 0.12), transparent 24%);
  z-index: -1;
}

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

.breadcrumb {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--rule);
  background: rgba(243, 248, 255, 0.8);
  backdrop-filter: blur(14px);
}

.breadcrumb .shell {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.82rem 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.breadcrumb a {
  color: var(--ink-mid);
  font-weight: 500;
}

.breadcrumb a:hover {
  text-decoration: none;
  color: var(--accent);
}

.hero {
  padding: 5.4rem 0 4.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 2.2rem;
  align-items: start;
}

.hero-chip-row,
.cta-row,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.hero-chip-row {
  margin-bottom: 1.2rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 0.72rem;
  border-radius: 999px;
  border: 1px solid var(--rule-strong);
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.67rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chip-kicker {
  background: var(--accent-bg);
  border-color: rgba(26, 129, 255, 0.18);
  color: var(--accent-deep);
}

.hero-brand {
  width: 64px;
  height: 64px;
  padding: 6px;
  border-radius: 20px;
  border: 1px solid rgba(11, 92, 214, 0.12);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.35rem;
}

h1, h2, h3, h4 {
  color: var(--ink);
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

.hero h1 {
  font-size: clamp(2.7rem, 5vw + 1rem, 4.3rem);
  line-height: 0.98;
  font-style: italic;
  margin-bottom: 0.92rem;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.2vw + 0.8rem, 1.3rem);
  color: var(--ink);
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-bottom: 0.9rem;
}

.hero-summary,
.card p,
.cta-panel p,
.footer,
.section-head p {
  color: var(--ink-mid);
}

.hero-summary {
  max-width: 60ch;
  margin-bottom: 1.45rem;
}

.hero-points {
  list-style: none;
  display: grid;
  gap: 0.72rem;
  margin-bottom: 1.6rem;
}

.hero-points li {
  position: relative;
  padding-left: 1.28rem;
  color: var(--ink-mid);
}

.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(26, 129, 255, 0.1);
}

.cta-row {
  align-items: center;
}

.hero .cta-row {
  margin-bottom: 0.9rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.7rem 1.18rem;
  border-radius: 14px;
  border: 1px solid transparent;
  font-size: 0.94rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: transform 0.16s ease, box-shadow 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent-bright), var(--accent));
  box-shadow: 0 14px 36px rgba(11, 92, 214, 0.2);
}

.btn-primary:hover {
  box-shadow: 0 16px 40px rgba(11, 92, 214, 0.24);
}

.btn-outline {
  color: var(--accent-deep);
  border-color: rgba(11, 92, 214, 0.18);
  background: rgba(255, 255, 255, 0.72);
}

.btn-outline:hover {
  border-color: rgba(11, 92, 214, 0.28);
  background: rgba(255, 255, 255, 0.92);
}

.hero-note {
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.hero-panel {
  display: grid;
  gap: 1rem;
}

.card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--rule);
  border-radius: 26px;
  background: var(--surface);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-md);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.28), rgba(255, 255, 255, 0));
  pointer-events: none;
}

.status-card,
.route-card,
.workflow-grid .card,
.channel-card,
.feature-card,
.roadmap-card {
  padding: 1.45rem;
}

.status-kicker,
.cta-kicker {
  margin-bottom: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.status-card h2,
.cta-panel h2 {
  font-size: clamp(1.72rem, 2vw + 0.7rem, 2.2rem);
  line-height: 1.06;
  margin-bottom: 0.65rem;
}

.status-card p,
.route-card p {
  margin-bottom: 1rem;
}

.status-list,
.route-list {
  list-style: none;
  display: grid;
  gap: 0.82rem;
}

.status-list li,
.route-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.82rem;
  border-top: 1px solid rgba(23, 71, 150, 0.08);
}

.status-list li:first-child,
.route-list li:first-child {
  padding-top: 0;
  border-top: none;
}

.status-list span,
.route-list span {
  color: var(--ink-soft);
}

.status-list strong,
.route-list strong {
  max-width: 58%;
  text-align: right;
  color: var(--ink);
  font-size: 0.95rem;
}

.route-card h3,
.workflow-grid h3,
.channel-card h3,
.feature-card h3,
.roadmap-card h3 {
  font-size: 1.45rem;
  line-height: 1.08;
  margin-bottom: 0.58rem;
}

.section {
  padding: 4.25rem 0;
}

.section-toned {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0)),
    rgba(227, 237, 255, 0.52);
  border-top: 1px solid rgba(23, 71, 150, 0.08);
  border-bottom: 1px solid rgba(23, 71, 150, 0.08);
}

.section-roadmap {
  padding-top: 3.9rem;
}

.section-head {
  display: grid;
  gap: 0.55rem;
  margin-bottom: 1.5rem;
}

.section-head h2 {
  font-size: clamp(2rem, 2vw + 1rem, 2.8rem);
  line-height: 1.02;
}

.workflow-grid,
.feature-grid,
.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

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

.channel-card,
.feature-card,
.roadmap-card,
.workflow-grid .card {
  min-height: 100%;
}

.channel-card {
  background: rgba(255, 255, 255, 0.76);
}

.section-cta {
  padding-top: 1rem;
  padding-bottom: 4.8rem;
}

.cta-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: center;
  padding: 1.8rem;
  border: 1px solid rgba(11, 92, 214, 0.14);
  border-radius: 30px;
  background:
    radial-gradient(circle at top left, rgba(26, 129, 255, 0.16), transparent 30%),
    rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(16px);
}

.footer {
  border-top: 1px solid var(--rule);
  padding: 1.25rem 0 1.8rem;
}

.footer-row,
.footer-brand {
  display: flex;
  align-items: center;
}

.footer-row {
  justify-content: space-between;
  gap: 1rem;
}

.footer-brand {
  gap: 0.72rem;
  font-weight: 600;
  color: var(--ink);
}

.footer-links {
  color: var(--ink-soft);
}

@media (max-width: 980px) {
  .hero-grid,
  .workflow-grid,
  .feature-grid,
  .roadmap-grid,
  .cta-panel {
    grid-template-columns: 1fr;
  }

  .channel-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 4.4rem;
  }

  .status-list strong,
  .route-list strong {
    max-width: none;
    text-align: left;
  }

  .status-list li,
  .route-list li {
    flex-direction: column;
    gap: 0.25rem;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 24px, 1120px);
  }

  .hero,
  .section {
    padding-top: 3.2rem;
    padding-bottom: 3.2rem;
  }

  .status-card,
  .route-card,
  .workflow-grid .card,
  .channel-card,
  .feature-card,
  .roadmap-card,
  .cta-panel {
    padding: 1.2rem;
    border-radius: 22px;
  }

  .btn {
    width: 100%;
  }

  .footer-row {
    flex-direction: column;
    align-items: flex-start;
  }
}