@font-face {
  font-family: "Tektur";
  src: url("/assets/fonts/Tektur-Regular.ttf") format("truetype");
  font-display: swap;
}

@font-face {
  font-family: "Tektur";
  src: url("/assets/fonts/Tektur-Medium.ttf") format("truetype");
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Instrument Sans";
  src: url("/assets/fonts/InstrumentSans-Regular.ttf") format("truetype");
  font-display: swap;
}

@font-face {
  font-family: "Instrument Sans";
  src: url("/assets/fonts/InstrumentSans-Bold.ttf") format("truetype");
  font-weight: 700;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --bg: #07101b;
  --bg-deep: #040914;
  --surface: rgba(10, 21, 36, 0.92);
  --surface-strong: rgba(14, 27, 45, 0.96);
  --surface-soft: rgba(20, 34, 54, 0.78);
  --border: rgba(118, 153, 200, 0.22);
  --border-strong: rgba(255, 255, 255, 0.1);
  --text: #edf3ff;
  --muted: #aab9ce;
  --muted-strong: #c4d1e5;
  --accent: #ff8638;
  --accent-soft: rgba(255, 134, 56, 0.18);
  --signal: #78bcff;
  --signal-soft: rgba(120, 188, 255, 0.18);
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.34);
  --radius-xl: 2rem;
  --radius-lg: 1.5rem;
  --radius-md: 1rem;
  --max-width: 1220px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
  color: var(--text);
  font-family: "Instrument Sans", sans-serif;
  background:
    radial-gradient(circle at 12% 12%, rgba(255, 134, 56, 0.18), transparent 28%),
    radial-gradient(circle at 84% 16%, rgba(120, 188, 255, 0.16), transparent 30%),
    radial-gradient(circle at 50% 120%, rgba(255, 134, 56, 0.08), transparent 32%),
    linear-gradient(180deg, #091221 0%, #07101b 42%, #040914 100%);
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

body::before {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.78), rgba(0, 0, 0, 0.2) 70%, transparent);
}

body::after {
  background:
    radial-gradient(circle at 11% 33%, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px),
    radial-gradient(circle at 19% 78%, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px),
    radial-gradient(circle at 62% 26%, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px),
    radial-gradient(circle at 78% 60%, rgba(255, 255, 255, 0.11) 0 1px, transparent 1px),
    radial-gradient(circle at 90% 22%, rgba(255, 255, 255, 0.1) 0 1px, transparent 1px);
  opacity: 0.8;
}

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

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

button {
  font: inherit;
}

a,
button,
summary {
  transition:
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    transform 180ms ease,
    opacity 180ms ease,
    box-shadow 180ms ease;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 30;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: #ffffff;
  color: #03111f;
  font-weight: 700;
}

.skip-link:focus {
  top: 1rem;
}

.site-frame {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
  padding-bottom: 5rem;
}

.section {
  margin-top: 4.5rem;
}

.panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(12, 24, 39, 0.92), rgba(7, 15, 27, 0.96));
  box-shadow: var(--shadow);
}

.panel::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.04);
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--accent);
  font-family: "Tektur", sans-serif;
  font-size: 0.84rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section-heading {
  max-width: 40rem;
  margin-bottom: 1.6rem;
}

.section-heading h2 {
  margin: 0;
  font-family: "Tektur", sans-serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
}

.section-heading p {
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.4rem;
  padding: 1rem 0;
}

.topbar.is-scrolled {
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  max-width: 19rem;
}

.brand img {
  width: 100%;
  height: auto;
}

.topbar-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.8rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.75rem;
}

.nav a,
.lang-pill {
  padding: 0.7rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(7, 12, 24, 0.54);
  color: var(--muted);
  font-size: 0.94rem;
}

.nav a:hover,
.lang-pill:hover {
  color: var(--text);
  border-color: rgba(255, 134, 56, 0.42);
  transform: translateY(-1px);
}

.lang-pill {
  min-width: 4.4rem;
  text-align: center;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 1.6rem;
  align-items: stretch;
}

.hero-copy,
.hero-visual,
.quickstart-shell,
.ecosystem-card,
.feature-card,
.scenario-card,
.faq-list details,
.footer-shell {
  padding: 2rem;
}

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

.hero-copy::before {
  content: "";
  position: absolute;
  right: -5rem;
  top: -5rem;
  width: 16rem;
  height: 16rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 134, 56, 0.28), transparent 70%);
  filter: blur(12px);
}

.hero-copy h1 {
  position: relative;
  z-index: 1;
  max-width: 12ch;
  margin: 0;
  font-family: "Tektur", sans-serif;
  font-size: clamp(2.8rem, 7vw, 5.4rem);
  line-height: 0.93;
  letter-spacing: -0.05em;
}

.hero-dek {
  position: relative;
  z-index: 1;
  max-width: 41rem;
  margin: 1.25rem 0 0;
  color: var(--muted-strong);
  font-size: clamp(1rem, 2.2vw, 1.18rem);
  line-height: 1.78;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.7rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.15rem;
  padding: 0.85rem 1.35rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

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

.button-primary {
  background: linear-gradient(135deg, #ff944d 0%, #ff7a2f 100%);
  color: #140600;
  box-shadow: 0 14px 34px rgba(255, 134, 56, 0.28);
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(12, 21, 36, 0.9);
  color: var(--text);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.6rem;
}

.hero-badges span {
  padding: 0.55rem 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(7, 15, 28, 0.7);
  color: var(--muted);
  font-size: 0.88rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  margin: 1.8rem 0 0;
}

.hero-stats div {
  padding: 1rem 1.05rem;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 1rem;
  background: rgba(8, 16, 28, 0.72);
}

.hero-stats dt {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-stats dd {
  margin: 0.5rem 0 0;
  font-family: "Tektur", sans-serif;
  font-size: 1.14rem;
  line-height: 1.3;
}

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

.signal-stage {
  position: relative;
  min-height: 27rem;
  padding: 1.4rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 1.6rem;
  background:
    radial-gradient(circle at 50% 10%, rgba(120, 188, 255, 0.14), transparent 28%),
    radial-gradient(circle at 50% 70%, rgba(255, 134, 56, 0.11), transparent 32%),
    linear-gradient(180deg, rgba(17, 31, 49, 0.88), rgba(8, 16, 27, 0.95));
}

.signal-stage::before,
.signal-stage::after {
  content: "";
  position: absolute;
  inset: 1rem;
  border-radius: 1.2rem;
  pointer-events: none;
}

.signal-stage::before {
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.signal-stage::after {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 80%);
}

.signal-logo {
  position: relative;
  z-index: 1;
  width: min(100%, 21rem);
  margin: 2rem auto 0;
  filter: drop-shadow(0 20px 44px rgba(0, 0, 0, 0.36));
}

.signal-caption {
  position: absolute;
  left: 1.5rem;
  right: 1.5rem;
  bottom: 1.45rem;
  z-index: 1;
  display: grid;
  gap: 0.3rem;
}

.signal-caption p {
  margin: 0;
  color: var(--text);
  font-family: "Tektur", sans-serif;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signal-caption span {
  color: var(--muted);
  font-size: 0.95rem;
}

.proof-panel {
  display: grid;
  gap: 0.8rem;
}

.proof-row {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 0.75rem;
  align-items: center;
  padding: 0.95rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 1rem;
  background: rgba(8, 15, 28, 0.68);
}

.proof-row span {
  color: var(--muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.proof-row strong {
  color: var(--text);
  font-size: 1rem;
  line-height: 1.45;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.9rem;
}

.proof-card {
  padding: 1rem 1.05rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1rem;
  background: rgba(9, 17, 30, 0.78);
}

.proof-card strong {
  display: block;
  margin-top: 0.5rem;
  font-family: "Tektur", sans-serif;
  font-size: 1.18rem;
  line-height: 1.2;
}

.proof-card span {
  color: var(--muted);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.feature-grid,
.scenario-grid,
.ecosystem-grid {
  display: grid;
  gap: 1rem;
}

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

.feature-card {
  min-height: 100%;
}

.feature-card h3,
.scenario-card h3,
.ecosystem-card h3 {
  margin: 0.1rem 0 0;
  font-size: 1.22rem;
  line-height: 1.32;
}

.feature-card p,
.scenario-card p,
.ecosystem-card p,
.footer-note,
.code-note,
.requirements-list li {
  color: var(--muted);
  line-height: 1.72;
}

.feature-index,
.scenario-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.3rem;
  height: 2.3rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 134, 56, 0.1);
  color: var(--accent);
  font-family: "Tektur", sans-serif;
  font-size: 0.92rem;
}

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

.scenario-card {
  background: linear-gradient(180deg, rgba(12, 24, 39, 0.92), rgba(7, 14, 26, 0.96));
}

.scenario-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.scenario-tags span {
  padding: 0.45rem 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted-strong);
  font-size: 0.83rem;
}

.quickstart-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 1.2rem;
}

.requirements-list {
  margin: 1.2rem 0 0;
  padding-left: 1.15rem;
}

.requirements-list li + li {
  margin-top: 0.55rem;
}

.code-shell {
  position: relative;
  padding: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 1.4rem;
  background: rgba(7, 12, 22, 0.84);
}

.code-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent);
  pointer-events: none;
}

.code-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.code-label {
  color: var(--muted);
  font-size: 0.84rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.copy-button {
  padding: 0.55rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.copy-button:hover {
  border-color: rgba(255, 134, 56, 0.34);
  color: var(--accent);
}

pre {
  margin: 0;
  overflow-x: auto;
  white-space: pre;
}

code {
  font-family: ui-monospace, "SFMono-Regular", "Menlo", "Monaco", "Consolas", "Liberation Mono", monospace;
  font-size: 0.95rem;
  line-height: 1.7;
  color: #f4f7ff;
}

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

.ecosystem-card {
  min-height: 100%;
}

.ecosystem-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 134, 56, 0.36);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
}

.link-row {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 1rem;
  color: var(--accent);
  font-weight: 700;
}

.faq-list {
  display: grid;
  gap: 0.9rem;
}

.faq-list details {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1.25rem;
  background: rgba(9, 17, 30, 0.82);
}

.faq-list summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  color: var(--text);
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list details p {
  margin: 1rem 0 0;
  color: var(--muted);
  line-height: 1.75;
}

.footer-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: 1.2rem;
  align-items: end;
}

.footer-brand {
  max-width: 17rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.footer-links a {
  padding: 0.65rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  color: var(--muted);
}

.footer-links a:hover {
  color: var(--text);
  border-color: rgba(255, 134, 56, 0.36);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1080px) {
  .hero,
  .quickstart-shell,
  .footer-shell {
    grid-template-columns: 1fr;
  }

  .proof-strip,
  .feature-grid,
  .scenario-grid,
  .ecosystem-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-copy h1 {
    max-width: 15ch;
  }
}

@media (max-width: 760px) {
  .site-frame {
    width: min(var(--max-width), calc(100% - 1rem));
  }

  .section {
    margin-top: 3.25rem;
  }

  .topbar {
    align-items: flex-start;
  }

  .topbar-group {
    justify-content: flex-start;
  }

  .hero-copy,
  .hero-visual,
  .quickstart-shell,
  .ecosystem-card,
  .feature-card,
  .scenario-card,
  .faq-list details,
  .footer-shell {
    padding: 1.3rem;
  }

  .hero-stats,
  .proof-strip,
  .feature-grid,
  .scenario-grid,
  .ecosystem-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions,
  .hero-badges,
  .footer-links {
    flex-direction: column;
    align-items: stretch;
  }

  .button,
  .nav a,
  .lang-pill {
    width: 100%;
  }

  .signal-stage {
    min-height: 21rem;
  }

  .signal-logo {
    width: min(100%, 16rem);
    margin-top: 2.8rem;
  }

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

  code {
    font-size: 0.88rem;
  }
}