:root {
  --ink: #10141c;
  --ink-soft: #1c2430;
  --mist: #e8edf2;
  --mist-2: #d7e0ea;
  --line: #b7c4d3;
  --muted: #4d5d70;
  --muted-on-ink: #b8c7d8;
  --signal: #b8ff3d;
  --signal-deep: #8fd41a;
  --coral: #ff4d2e;
  --white: #f7fafc;
  --display: 'Anybody', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --header-h: 4rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(900px 480px at 100% -5%, rgba(184, 255, 61, 0.18), transparent 55%),
    radial-gradient(700px 420px at -8% 18%, rgba(255, 77, 46, 0.1), transparent 50%),
    linear-gradient(180deg, var(--mist) 0%, var(--mist-2) 100%);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: var(--ink);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--coral);
}

code {
  font-family: var(--mono);
  font-size: 0.92em;
  background: rgba(16, 20, 28, 0.07);
  padding: 0.08em 0.32em;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
  padding: 0.75rem clamp(1rem, 3vw, 1.75rem);
  backdrop-filter: blur(12px);
  background: rgba(232, 237, 242, 0.88);
  border-bottom: 1px solid rgba(183, 196, 211, 0.7);
}

.brand-mark {
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.03em;
  text-decoration: none;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.85rem 1.15rem;
  font-size: 0.8rem;
}

.nav-links a {
  text-decoration: none;
  color: #3d4f63;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-docs {
  color: var(--ink) !important;
  font-weight: 600 !important;
}

/* —— Hero: one composition, brand-first, full-bleed visual plane —— */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: grid;
  isolation: isolate;
  overflow: hidden;
}

.hero-plane {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(145deg, #0c1118 0%, #172033 48%, #101820 100%);
}

.hero-noise {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(184, 255, 61, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184, 255, 61, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  animation: grid-drift 26s linear infinite;
}

.hero-scan {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(184, 255, 61, 0.08) 50%,
    transparent 100%
  );
  background-size: 100% 220%;
  animation: scan-sweep 7s ease-in-out infinite;
  pointer-events: none;
}

.hero-stream {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: clamp(5.5rem, 14vh, 8rem) clamp(1.25rem, 6vw, 5rem) 2rem
    clamp(42%, 48vw, 52%);
  overflow: hidden;
  color: #d5e2f0;
  font-size: clamp(0.72rem, 1.35vw, 0.95rem);
  line-height: 1.7;
  white-space: pre;
}

.stream-meta {
  color: var(--signal);
  font-weight: 600;
}

.stream-line {
  display: block;
  opacity: 0;
  transform: translateY(8px);
  animation: line-in 560ms ease forwards;
  animation-delay: calc(180ms + var(--i) * 70ms);
}

.stream-line.accent {
  color: #9ec8ff;
}

.stream-line.signal {
  color: var(--signal);
}

.hero-copy {
  position: relative;
  z-index: 1;
  align-self: center;
  width: min(34rem, 100%);
  padding: clamp(2.25rem, 6vh, 4rem) clamp(1.25rem, 4vw, 3rem);
  background: linear-gradient(
    90deg,
    rgba(232, 237, 242, 0.97) 0%,
    rgba(232, 237, 242, 0.92) 68%,
    rgba(232, 237, 242, 0) 100%
  );
}

.brand-hero {
  margin: 0 0 0.9rem;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 0.92;
  letter-spacing: -0.045em;
  color: var(--ink);
  animation: rise-in 700ms ease both;
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.2rem, 2.5vw, 1.75rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  max-width: 14ch;
  color: var(--ink);
  animation: rise-in 700ms ease 100ms both;
}

.lede {
  margin: 0 0 1.75rem;
  color: var(--muted);
  max-width: 34ch;
  font-size: 0.95rem;
  animation: rise-in 700ms ease 200ms both;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  animation: rise-in 700ms ease 280ms both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.7rem;
  padding: 0.65rem 1.1rem;
  border: 1px solid transparent;
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 160ms ease, background-color 160ms ease,
    border-color 160ms ease, color 160ms ease;
}

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

.btn-primary {
  background: var(--signal);
  color: var(--ink);
  border-color: var(--signal);
}

.btn-primary:hover {
  background: var(--signal-deep);
  border-color: var(--signal-deep);
  color: var(--ink);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}

.btn-ghost:hover {
  background: var(--ink);
  color: var(--mist);
}

/* —— Sections —— */
.section {
  padding: 5rem clamp(1.25rem, 4vw, 1.75rem);
  max-width: 64rem;
  margin: 0 auto;
}

.section h2 {
  margin: 0 0 1rem;
  font-family: var(--display);
  font-size: clamp(1.9rem, 4.2vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  max-width: 16ch;
}

.eyebrow {
  margin: 0 0 0.7rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--coral);
  font-weight: 600;
}

.section-lede {
  margin: 0 0 2.25rem;
  max-width: 48ch;
  color: var(--muted);
}

.purpose-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.purpose-list li {
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  max-width: 54ch;
}

.purpose-list strong {
  display: block;
  margin-bottom: 0.25rem;
  font-family: var(--display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-weight: 700;
}

.section-ink {
  max-width: none;
  margin: 0;
  padding-left: max(1.25rem, calc((100% - 64rem) / 2 + 1.75rem));
  padding-right: max(1.25rem, calc((100% - 64rem) / 2 + 1.75rem));
  background:
    linear-gradient(160deg, #0e141d 0%, #162232 55%, #101820 100%);
  color: var(--white);
}

.section-ink .eyebrow {
  color: var(--signal);
}

.section-ink .section-lede,
.section-ink .sample-creds,
.section-ink .follow {
  color: var(--muted-on-ink);
}

.section-ink a {
  color: var(--signal);
}

.section-ink a:hover {
  color: #d8ff7a;
}

.section-ink code {
  background: rgba(255, 255, 255, 0.08);
  color: #e8f1fb;
}

.section-ink .btn-primary {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--ink);
}

.section-ink .btn-ghost {
  border-color: #d5e2f0;
  color: #f3f7fb;
}

.section-ink .btn-ghost:hover {
  background: #f3f7fb;
  color: var(--ink);
}

.base-url {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.65rem 1rem;
  margin: 0 0 2.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.base-url > span {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-on-ink);
}

.base-url code {
  font-size: 0.95rem;
  background: transparent;
  padding: 0;
  color: var(--signal);
}

.use-block {
  margin-bottom: 2.25rem;
}

.use-block h3 {
  margin: 0 0 0.75rem;
  font-family: var(--display);
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.snippet {
  margin: 0;
  overflow-x: auto;
  padding: 1.1rem 1.15rem;
  background: #070b11;
  border-left: 3px solid var(--signal);
  color: #dce8f4;
  font-size: 0.82rem;
  line-height: 1.55;
  -webkit-overflow-scrolling: touch;
}

.snippet-light {
  margin: 0;
  background: var(--ink);
  border-left-color: var(--coral);
}

.lang-switcher {
  margin: 0 0 1.25rem;
}

.lang-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-bottom: 0;
  border-bottom: 1px solid var(--line);
}

.lang-tab {
  appearance: none;
  margin: 0;
  padding: 0.7rem 0.85rem;
  border: 0;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  background: transparent;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: color 160ms ease, border-color 160ms ease;
}

.lang-tab:hover {
  color: var(--ink);
}

.lang-tab.is-active {
  color: var(--ink);
  border-bottom-color: var(--coral);
  font-weight: 600;
}

.lang-tab:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

.lang-panels {
  margin-top: 0;
}

.lang-panel[hidden],
.lang-panel:not(.is-active) {
  display: none;
}

.lang-panel.is-active {
  display: block;
}

.sample-creds {
  margin: 0.85rem 0 0;
  font-size: 0.86rem;
}

.resource-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.resource-list li {
  display: grid;
  grid-template-columns: minmax(9rem, 12rem) 1fr;
  gap: 0.75rem 1.25rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  align-items: baseline;
  color: var(--muted-on-ink);
}

.resource-list a {
  text-decoration: none;
}

.resource-list a:hover {
  text-decoration: underline;
}

.follow {
  margin: 0 0 1.75rem;
  max-width: 48ch;
  color: var(--muted);
}

.section-creator {
  background:
    radial-gradient(700px 320px at 90% 10%, rgba(255, 77, 46, 0.12), transparent 60%),
    transparent;
}

.site-footer {
  padding: 2rem clamp(1.25rem, 4vw, 1.75rem) 3rem;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0.45rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.site-footer a {
  color: var(--muted);
}

/* —— Motion —— */
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 650ms ease, transform 650ms ease;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes line-in {
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes grid-drift {
  to {
    background-position: 48px 48px;
  }
}

@keyframes scan-sweep {
  0%,
  100% {
    background-position: 0% 0%;
  }
  50% {
    background-position: 0% 100%;
  }
}

@media (max-width: 900px) {
  .hero {
    display: flex;
    flex-direction: column;
    min-height: auto;
  }

  .hero-copy {
    order: 1;
    width: 100%;
    background: transparent;
    padding: 2rem 1.25rem 1.25rem;
  }

  .hero-plane {
    position: relative;
    order: 2;
    min-height: 17rem;
  }

  .hero-stream {
    position: relative;
    padding: 1.35rem 1.25rem 1.75rem;
  }

  .brand-hero {
    font-size: clamp(2.4rem, 12vw, 3.5rem);
  }
}

@media (max-width: 760px) {
  .nav-links a:not(.nav-docs) {
    display: none;
  }

  .resource-list li {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .snippet {
    font-size: 0.74rem;
  }
}

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

  .hero-noise,
  .hero-scan,
  .stream-line,
  .brand-hero,
  .hero h1,
  .lede,
  .cta-row {
    animation: none !important;
  }

  .stream-line {
    opacity: 1;
    transform: none;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}