:root {
  /* Dark + orange — terminal heat */
  --bg: #0c0a09;
  --bg-elevated: #1c1410;
  --bg-panel: #221811;
  --bg-code: #120e0b;
  --fg: #faf7f2;
  --fg-muted: #c4b5a5;
  --fg-faint: #8a7a6b;
  --accent: #f97316;
  --accent-deep: #ea580c;
  --accent-hot: #fb923c;
  --accent-dim: rgba(249, 115, 22, 0.16);
  --accent-glow: rgba(249, 115, 22, 0.32);
  --border: rgba(250, 247, 242, 0.12);
  --border-strong: rgba(249, 115, 22, 0.45);
  --ok: #4ade80;

  --font-display: "Instrument Sans", system-ui, sans-serif;
  --font-body: "Newsreader", Georgia, "Times New Roman", serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --radius: 14px;
  --radius-sm: 10px;
  --header-h: 3.75rem;
  --max-w: 70rem;
  --pad-x: clamp(1rem, 4vw, 1.75rem);
  --touch: 2.75rem;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: clamp(1.05rem, 0.4vw + 1rem, 1.125rem);
  line-height: 1.65;
  color: var(--fg);
  background:
    radial-gradient(ellipse 100% 70% at 50% -15%, rgba(249, 115, 22, 0.18), transparent 55%),
    radial-gradient(ellipse 55% 45% at 100% 25%, rgba(234, 88, 12, 0.1), transparent 50%),
    radial-gradient(ellipse 40% 35% at 0% 80%, rgba(249, 115, 22, 0.07), transparent 45%),
    linear-gradient(180deg, var(--bg) 0%, #080605 100%);
  background-attachment: fixed;
  overflow-x: hidden;
  position: relative;
  z-index: 0;
}

/* Grain behind content — never washes out buttons */
.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.055;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 160px 160px;
}

@media (prefers-reduced-motion: no-preference) {
  .noise {
    animation: grain-shift 9s steps(8) infinite;
  }
}

@keyframes grain-shift {
  0%,
  100% {
    transform: translate(0, 0);
  }
  25% {
    transform: translate(-1.5%, 1%);
  }
  50% {
    transform: translate(1%, -1.5%);
  }
  75% {
    transform: translate(-1%, -1%);
  }
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: #1a0a00;
  z-index: 100;
  font-family: var(--font-display);
  font-weight: 600;
}

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

/* ── Header ─────────────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  height: var(--header-h);
  backdrop-filter: blur(18px) saturate(1.15);
  -webkit-backdrop-filter: blur(18px) saturate(1.15);
  background: rgba(12, 10, 9, 0.94);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  text-decoration: none;
  color: var(--fg);
  z-index: 2;
}

.logo-mark {
  color: var(--accent);
  font-size: 1.15rem;
  line-height: 1;
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
}

.nav-toggle {
  display: none;
  width: var(--touch);
  height: var(--touch);
  margin: 0;
  padding: 0;
  border: 1.5px solid var(--border-strong);
  border-radius: 10px;
  background: var(--bg-elevated);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  z-index: 2;
  box-shadow: 0 0 0 1px rgba(249, 115, 22, 0.12);
}

.nav-toggle-bar {
  display: block;
  width: 1.15rem;
  height: 2.5px;
  background: var(--accent-hot);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:first-child {
  transform: translateY(4.25px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:last-child {
  transform: translateY(-4.25px) rotate(-45deg);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.15rem 1.35rem;
}

.nav a {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--fg-muted);
  transition: color 0.2s ease;
  padding: 0.35rem 0;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--accent-hot);
}

.nav-github {
  color: var(--accent) !important;
}

@media (max-width: 719px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    position: fixed;
    inset: 0;
    top: var(--header-h);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem var(--pad-x) 2rem;
    background: #140f0c;
    border-bottom: 1px solid var(--border-strong);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition:
      transform 0.28s ease,
      opacity 0.28s ease;
    z-index: 55;
  }

  body.nav-open .nav {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav a {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--fg);
    padding: 1rem 0.35rem;
    border-bottom: 1px solid var(--border);
  }

  .nav-github {
    color: var(--accent-hot) !important;
  }
}

/* ── Hero ───────────────────────────────────────────────── */

.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  min-height: calc(100dvh - var(--header-h));
  display: flex;
  align-items: center;
  padding: clamp(2.5rem, 6vh, 4rem) var(--pad-x) clamp(3rem, 8vh, 5rem);
  isolation: isolate;
}

.hero-glow {
  position: absolute;
  inset: 8% 0 auto;
  height: 50%;
  background: radial-gradient(ellipse at 28% 40%, var(--accent-glow), transparent 62%);
  filter: blur(36px);
  opacity: 0.65;
  z-index: -1;
  pointer-events: none;
}

.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
}

.hero-mark {
  display: block;
  width: clamp(3.25rem, 8vw, 4.5rem);
  height: auto;
  margin: 0 0 1rem;
  filter: drop-shadow(0 0 28px var(--accent-glow));
}

.hero-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3.25rem, 14vw, 7.5rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
  margin: 0 0 1.15rem;
  color: var(--fg);
  text-shadow: 0 0 48px var(--accent-glow);
}

.hero-inner h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.55rem, 3.8vw, 2.35rem);
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin: 0 0 1rem;
  max-width: 18ch;
  color: var(--fg);
}

.hero-lede {
  font-size: clamp(1.05rem, 1.5vw, 1.22rem);
  color: var(--fg-muted);
  margin: 0 0 1.85rem;
  max-width: 38ch;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.hero-aside {
  margin: 2.25rem 0 0;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--fg-faint);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition:
    background 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.25s ease,
    transform 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-hot) 0%, var(--accent-deep) 100%);
  color: #1a0800;
  box-shadow: 0 8px 28px rgba(249, 115, 22, 0.28);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  box-shadow: 0 0 0 3px var(--accent-dim), 0 10px 32px rgba(249, 115, 22, 0.38);
  transform: translateY(-1px);
}

.btn-ghost {
  color: var(--fg);
  border-color: rgba(250, 247, 242, 0.22);
  background: rgba(34, 24, 17, 0.9);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--border-strong);
  color: var(--accent-hot);
  background: var(--accent-dim);
}

/* ── Sections ───────────────────────────────────────────── */

.section {
  padding: clamp(3.5rem, 8vw, 5.5rem) var(--pad-x);
}

.section--band {
  position: relative;
  background: linear-gradient(
    180deg,
    rgba(34, 24, 17, 0.65) 0%,
    rgba(28, 20, 16, 0.9) 100%
  );
  border-block: 1px solid var(--border);
}

.section--band::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.04;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.05' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.section-inner {
  position: relative;
  max-width: var(--max-w);
  margin: 0 auto;
}

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.65rem;
}

.section-head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.55rem, 3vw, 2.05rem);
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.section-head p:not(.eyebrow) {
  margin: 0 0 2.25rem;
  color: var(--fg-muted);
  max-width: 48ch;
}

/* ── Install ────────────────────────────────────────────── */

.install-stack {
  display: grid;
  gap: 1rem;
  width: 100%;
  max-width: 100%;
}

@media (min-width: 860px) {
  .install-stack {
    grid-template-columns: 1fr 1fr;
  }

  .install-stack > .install-card:last-child {
    grid-column: 1 / -1;
  }
}

.install-card {
  min-width: 0; /* prevent grid blowout */
  width: 100%;
  max-width: 100%;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.1rem 1.2rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
  overflow: hidden;
}

.install-card-top {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.install-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 10px;
  color: var(--accent-hot);
  background: var(--accent-dim);
  border: 1px solid var(--border-strong);
}

.install-card-top h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  margin: 0 0 0.25rem;
}

.install-note {
  margin: 0;
  font-size: 0.9rem;
  color: var(--fg-faint);
  line-height: 1.45;
}

.cmd-pair {
  display: grid;
  gap: 0.75rem;
  min-width: 0;
}

@media (min-width: 560px) {
  .cmd-pair {
    grid-template-columns: 1fr 1fr;
  }
}

.cmd-box {
  min-width: 0;
  max-width: 100%;
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.cmd-box + .cmd-box,
.cmd-box--alt {
  margin-top: 0.75rem;
}

.cmd-pair .cmd-box {
  margin-top: 0;
}

.cmd-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  min-height: 2.75rem;
  padding: 0.35rem 0.45rem 0.35rem 0.75rem;
  background: rgba(249, 115, 22, 0.1);
  border-bottom: 1px solid var(--border);
}

.cmd-chip {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-faint);
  white-space: nowrap;
}

.cmd-pre {
  margin: 0;
  padding: 0.85rem 0.9rem;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 2.2vw, 0.8rem);
  line-height: 1.55;
  color: #fdba74;
}

.cmd-pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
  white-space: pre;
  word-break: normal;
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  flex-shrink: 0;
  min-height: 2.35rem;
  padding: 0.4rem 0.85rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 1.5px solid var(--accent);
  border-radius: 8px;
  background: var(--accent);
  color: #1a0800;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(249, 115, 22, 0.3);
  transition:
    background 0.15s ease,
    color 0.15s ease,
    border-color 0.15s ease,
    transform 0.15s ease;
}

.copy-btn--ghost {
  background: transparent;
  color: var(--accent-hot);
  box-shadow: none;
}

.copy-btn--ghost:hover,
.copy-btn--ghost:focus-visible {
  background: var(--accent);
  color: #1a0800;
}

.copy-btn:hover,
.copy-btn:focus-visible {
  background: var(--accent-hot);
  border-color: var(--accent-hot);
  color: #1a0800;
  outline: none;
}

.copy-btn:active {
  transform: scale(0.97);
}

.copy-btn.copied {
  background: var(--ok);
  border-color: var(--ok);
  color: #052e16;
  box-shadow: none;
}

.copy-svg {
  flex-shrink: 0;
  display: block;
}

.copy-label {
  font-size: 0.78rem;
}

/* ── Features ───────────────────────────────────────────── */

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .feature-list {
    grid-template-columns: 1fr 1fr;
    gap: 1.75rem 2.25rem;
  }
}

@media (min-width: 960px) {
  .feature-list {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.feature-list li {
  margin: 0;
  padding: 0 0 0 1rem;
  border-left: 2px solid var(--accent);
  color: var(--fg-muted);
}

.feature-list strong {
  font-family: var(--font-display);
  font-weight: 700;
  display: block;
  margin-bottom: 0.35rem;
  font-size: 1rem;
  color: var(--fg);
}

code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--accent-dim);
  color: var(--accent-hot);
  padding: 0.12em 0.38em;
  border-radius: 4px;
}

/* ── Commands ───────────────────────────────────────────── */

.commands-grid {
  display: grid;
  gap: 2.25rem;
}

@media (min-width: 720px) {
  .commands-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem 3rem;
  }
}

.commands-sub {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin: 0 0 1rem;
}

.cmd-dl {
  margin: 0;
}

.cmd-dl div {
  display: grid;
  grid-template-columns: minmax(7.5rem, auto) 1fr;
  gap: 0.35rem 1rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
}

@media (max-width: 420px) {
  .cmd-dl div {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }
}

.cmd-dl div:last-child {
  border-bottom: none;
}

.cmd-dl dt {
  margin: 0;
}

.cmd-dl dd {
  margin: 0;
  color: var(--fg-muted);
  font-size: 0.95rem;
}

.slash-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.slash-block {
  margin: 0;
  line-height: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.slash-block code {
  margin: 0;
}

/* ── Docs + footer ──────────────────────────────────────── */

.section--docs {
  padding-bottom: clamp(4rem, 10vw, 6rem);
}

.docs-cta {
  text-align: center;
  max-width: 34rem;
  margin-inline: auto;
  padding: 2rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    radial-gradient(ellipse at 50% 0%, var(--accent-dim), transparent 65%),
    var(--bg-panel);
}

.docs-cta h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 3vw, 1.9rem);
  margin: 0 0 0.7rem;
}

.docs-cta p:not(.eyebrow) {
  color: var(--fg-muted);
  margin: 0 0 1.4rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem var(--pad-x) 2.75rem;
  background: rgba(8, 6, 5, 0.92);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  text-align: center;
}

.footer-inner p {
  margin: 0 0 0.35rem;
  font-size: 0.92rem;
  color: var(--fg-muted);
}

.footer-inner a {
  color: var(--accent);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
}

.footer-inner a:hover {
  color: var(--accent-hot);
  text-decoration: underline;
}

.footer-meta {
  font-size: 0.8rem !important;
  color: var(--fg-faint) !important;
}

/* ── Motion ─────────────────────────────────────────────── */

.reveal {
  animation: rise 0.85s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.reveal-delay-1 {
  animation-delay: 0.08s;
}
.reveal-delay-2 {
  animation-delay: 0.16s;
}
.reveal-delay-3 {
  animation-delay: 0.24s;
}
.reveal-delay-4 {
  animation-delay: 0.34s;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

  .noise,
  .reveal,
  .reveal-delay-1,
  .reveal-delay-2,
  .reveal-delay-3,
  .reveal-delay-4 {
    animation: none !important;
  }

  .btn,
  .nav a,
  .copy-btn,
  .nav-toggle-bar,
  .nav {
    transition: none !important;
  }
}