/* ──────────────────────────────────────────────────────────────────────────────
   Cthonica Landing — Arcane Illuminated Aesthetic
   Palette: Obsidian · Celestial Gold · Verdigris Copper · Iron Oxide · Starlight
   Inspiration: Da Vinci notebooks · Kepler diagrams · Hermetic engravings
   ──────────────────────────────────────────────────────────────────────────── */

:root {
  /* Brand palette — accurate to brief */
  --gold:             #c6a664;
  --gold-dim:         rgba(198, 166, 100, 0.62);
  --gold-glow:        rgba(198, 166, 100, 0.20);
  --gold-subtle:      rgba(198, 166, 100, 0.10);
  --gold-line:        rgba(198, 166, 100, 0.16);
  --gold-border:      rgba(198, 166, 100, 0.28);

  --verdigris:        #5e8570;
  --verdigris-glow:   rgba(94, 133, 112, 0.20);
  --verdigris-subtle: rgba(94, 133, 112, 0.09);
  --verdigris-border: rgba(94, 133, 112, 0.30);

  --iron:             #8b3e2f;
  --iron-subtle:      rgba(139, 62, 47, 0.10);

  --starlight:        #7fa4b5;

  /* Structural */
  --landing-shadow:      0 32px 80px rgba(0, 0, 0, 0.52);
  --landing-shadow-warm: 0 20px 56px rgba(198, 166, 100, 0.07);
  --landing-line:        var(--gold-line);
  --landing-panel:       rgba(14, 10, 4, 0.82);
  --landing-panel-2:     rgba(11, 8, 3, 0.92);

  /* Kepler cross-hatch etching texture */
  --texture-hatch: repeating-linear-gradient(
    -48deg,
    rgba(198, 166, 100, 0.022) 0px,
    rgba(198, 166, 100, 0.022) 1px,
    transparent 1px,
    transparent 9px
  );
}

/* Override app color tokens for the landing page */
body.app-website {
  --color-verdigris: #5e8570;
  --color-celestial: #c6a664;
  font-family: "EB Garamond", Georgia, serif;
}

/* ── Shell ─────────────────────────────────────────────────────────────────── */

.landing-shell {
  position: relative;
  z-index: 1;
}

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

.landing-header {
  position: absolute;
  inset: 0 0 auto 0;
  z-index: 50;
  border-bottom: 1px solid var(--gold-line);
  backdrop-filter: blur(20px) saturate(1.3);
  background: linear-gradient(
    180deg,
    rgba(15, 10, 4, 0.90),
    rgba(15, 10, 4, 0.14)
  );
}

.landing-header-inner {
  width: min(1200px, calc(100% - 3rem));
  margin: 0 auto;
}

.landing-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
}

.landing-mark svg {
  width: 2.35rem;
  height: 2.35rem;
  color: var(--gold);
}

.landing-nav {
  display: none;
  gap: 2rem;
  align-items: center;
  font-family: "EB Garamond", Georgia, serif;
  font-size: 1rem;
  letter-spacing: 0.03em;
}

.landing-nav a {
  color: rgb(var(--fg) / 0.68);
  text-decoration: none;
  position: relative;
  transition: color 200ms ease;
}

.landing-nav a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 200ms ease;
}

.landing-nav a:hover {
  color: var(--gold);
}

.landing-nav a:hover::after {
  transform: scaleX(1);
}

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

.hero-stage {
  position: relative;
  min-height: 100vh;
  padding: 7rem 0 4rem;
  overflow: clip;
}

/* Warm obsidian atmosphere — amber over copper, iron, verdigris */
.hero-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 58% 48% at 16% 22%, rgba(198, 166, 100, 0.11), transparent),
    radial-gradient(ellipse 44% 38% at 76% 26%, rgba(139, 62, 47, 0.07), transparent),
    radial-gradient(ellipse 40% 36% at 54% 80%, rgba(94, 133, 112, 0.07), transparent),
    linear-gradient(148deg, rgba(15, 10, 4, 0.98), rgba(22, 14, 6, 0.72) 52%, rgba(12, 8, 3, 0.99));
  z-index: -2;
}

/* Kepler diagram cross-hatch grid */
.hero-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(198, 166, 100, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(198, 166, 100, 0.045) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent 86%);
  z-index: -1;
}

.hero-grid {
  width: min(1380px, 100%);
  margin: 0 auto;
  padding-inline: 1.5rem;
  display: grid;
  gap: 2.5rem;
  align-items: end;
}

.hero-copy {
  max-width: 42rem;
  padding-top: 4.75rem;
  animation: rise-in 700ms ease forwards;
}

.hero-kicker,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 1.1rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: rgb(var(--fg) / 0.52);
}

/* Flanking ruling lines — Kepler/manuscript ornament */
.section-kicker::before,
.section-kicker::after {
  content: "";
  display: inline-block;
  width: 1.6rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-dim), transparent);
  flex-shrink: 0;
}

.hero-brand {
  display: block;
  margin-bottom: 0.8rem;
  font-family: "EB Garamond", Georgia, serif;
  font-size: clamp(1.6rem, 2vw, 2.2rem);
  color: var(--gold);
  letter-spacing: 0.12em;
}

.hero-title {
  font-family: "EB Garamond", Georgia, serif;
  font-size: clamp(3rem, 6vw, 4.8rem);
  line-height: 0.95;
  max-width: 8.5ch;
  text-wrap: balance;
  color: rgb(var(--fg));
}

.hero-title.is-typing {
  min-height: calc(0.95em * 3);
}

.hero-title-typed {
  display: inline;
}

.hero-title-caret {
  display: inline-block;
  width: 0.08em;
  height: 0.9em;
  margin-left: 0.08em;
  vertical-align: 0.02em;
  background: currentColor;
  box-shadow: 0 0 0.55rem rgba(198, 166, 100, 0.45);
  animation: hero-caret-blink 0.9s steps(1, end) infinite;
}

.hero-title-caret.is-hidden {
  opacity: 0;
}

.typed-caret {
  display: inline-block;
  width: 0.08em;
  height: 0.9em;
  margin-left: 0.08em;
  vertical-align: 0.02em;
  background: currentColor;
  animation: hero-caret-blink 0.9s steps(1, end) infinite;
}

.typed-caret.is-hidden {
  opacity: 0;
}

.hero-subtitle {
  margin-top: 1.5rem;
  max-width: 35rem;
  font-size: clamp(1.08rem, 1.6vw, 1.3rem);
  line-height: 1.7;
  color: rgb(var(--fg) / 0.8);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2.2rem;
  animation: rise-in 880ms ease forwards;
}

/* ── CTAs ──────────────────────────────────────────────────────────────────── */


.hero-note {
  margin-top: 1rem;
  max-width: 38rem;
  font-size: 0.95rem;
  font-style: italic;
  color: rgb(var(--fg) / 0.48);
  animation: rise-in 980ms ease forwards;
}

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

.hero-visual {
  position: relative;
  min-height: 32rem;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  animation: hero-float 16s ease-in-out infinite;
}

.hero-orbit {
  position: absolute;
  inset: 5% 5% 6% 18%;
  border-radius: 999px;
  background:
    radial-gradient(circle at 34% 30%, rgba(198, 166, 100, 0.24), transparent 28%),
    radial-gradient(circle at 66% 22%, rgba(94, 133, 112, 0.16), transparent 24%),
    radial-gradient(circle at 50% 50%, rgba(255, 240, 200, 0.04), transparent 58%);
  filter: blur(3px);
}

/* Manuscript double-ruled frame */
.hero-visual-frame {
  position: relative;
  width: min(36rem, 92%);
  padding: 1rem;
  background: linear-gradient(
    168deg,
    rgba(15, 10, 4, 0.96),
    rgba(14, 9, 3, 0.74)
  );
  box-shadow: var(--landing-shadow), var(--landing-shadow-warm);
  border: 1px solid rgba(198, 166, 100, 0.20);
}

/* Inner ruling border — double-frame effect */
.hero-visual-frame::before {
  content: "";
  position: absolute;
  inset: 0.6rem;
  border: 1px solid rgba(198, 166, 100, 0.07);
  pointer-events: none;
}

/* Corner glow marks */
.hero-visual-frame::after {
  content: "";
  position: absolute;
  inset: -1px;
  background:
    radial-gradient(circle at 0% 0%,   rgba(198, 166, 100, 0.15) 0px, transparent 8px),
    radial-gradient(circle at 100% 0%,  rgba(198, 166, 100, 0.15) 0px, transparent 8px),
    radial-gradient(circle at 0% 100%,  rgba(198, 166, 100, 0.15) 0px, transparent 8px),
    radial-gradient(circle at 100% 100%, rgba(198, 166, 100, 0.15) 0px, transparent 8px);
  pointer-events: none;
}

.hero-visual-caption {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.9rem;
  font-size: 0.85rem;
  color: rgb(var(--fg) / 0.58);
}

.hero-terminal-shell {
  display: grid;
  overflow: hidden;
  border: 1px solid rgba(198, 166, 100, 0.14);
  background:
    radial-gradient(circle at 100% 0%, rgba(94, 133, 112, 0.12), transparent 34%),
    linear-gradient(180deg, rgba(7, 9, 8, 0.94), rgba(8, 8, 7, 0.82));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.hero-terminal-header {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-height: 2.6rem;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid rgba(198, 166, 100, 0.12);
  background: linear-gradient(180deg, rgba(198, 166, 100, 0.08), rgba(198, 166, 100, 0.03));
}

.hero-terminal-dots {
  display: flex;
  gap: 0.35rem;
  flex-shrink: 0;
}

.hero-terminal-dot {
  width: 0.48rem;
  height: 0.48rem;
  border-radius: 999px;
}

.hero-terminal-dot-r { background: rgba(255, 95, 87, 0.75); }
.hero-terminal-dot-y { background: rgba(255, 189, 46, 0.72); }
.hero-terminal-dot-g { background: rgba(40, 200, 64, 0.72); }

.hero-terminal-title,
.hero-terminal-mount,
.hero-terminal-mount .xterm {
  font-family: "Cascadia Code", "Caskaydia Cove Nerd Font", "CaskaydiaCove Nerd Font", monospace;
}

.hero-terminal-title {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(198, 166, 100, 0.72);
}

.hero-terminal-body {
  height: 22.5rem;
  padding: 0.8rem 0.9rem;
}

.hero-terminal-mount {
  width: 100%;
  height: 100%;
}

.hero-terminal-mount .xterm {
  padding-right: 0.2rem;
}

.hero-terminal-mount .xterm-viewport,
.hero-terminal-mount .xterm-screen,
.hero-terminal-mount .xterm-helper-textarea,
.hero-terminal-mount .xterm-scroll-area {
  background: transparent !important;
}

.hero-terminal-mount.is-fallback {
  display: flex;
  align-items: center;
  min-height: 18.6rem;
  color: rgb(var(--fg) / 0.58);
  font-size: 0.82rem;
}

/* ── Section rule ornament ─────────────────────────────────────────────────── */

.section-rule {
  display: flex;
  justify-content: center;
  padding: 0.25rem 0;
  color: var(--gold);
  position: relative;
  z-index: 1;
}

.section-rule svg {
  width: 17.5rem;
  height: 1.25rem;
}

/* ── Section bands ─────────────────────────────────────────────────────────── */


/* Etched hatching — subtle manuscript quality */
.section-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--texture-hatch);
  pointer-events: none;
  z-index: 0;
}

.section-band > * {
  position: relative;
  z-index: 1;
}

.section-band.section-band-dark {
  background: linear-gradient(
    180deg,
    rgba(10, 7, 3, 0.50),
    rgba(14, 9, 4, 0.80) 50%,
    rgba(10, 7, 3, 0.50)
  );
  border-top: 1px solid var(--gold-line);
  border-bottom: 1px solid var(--gold-line);
}


/* Ornamental top stroke — alchemical ruling line */
.section-head::before {
  content: "";
  display: block;
  width: 2.4rem;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.section-title {
  font-family: "EB Garamond", Georgia, serif;
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 0.98;
  max-width: 14ch;
}

.instruments-head .section-title,
.instruments-intro {
  max-width: none;
}

.instruments-head {
  justify-items: center;
  text-align: center;
}

.workflow-head .section-title,
.workflow-intro {
  max-width: none;
}

.workflow-head {
  justify-items: center;
  text-align: center;
}

/* ── Support / Workflow ────────────────────────────────────────────────────── */

.support-grid {
  display: grid;
  gap: 2rem;
  align-items: start;
}

.support-rail {
  display: grid;
  gap: 0;
}

.support-visual {
  padding: 1rem;
  background: linear-gradient(
    158deg,
    rgba(15, 10, 4, 0.88),
    rgba(12, 8, 3, 0.64)
  );
  border: 1px solid rgba(198, 166, 100, 0.15);
  box-shadow: var(--landing-shadow);
}

/* ── Products / Instruments ────────────────────────────────────────────────── */

.product-grid {
  display: grid;
  gap: 3rem;
}

.product-pane {
  display: grid;
  gap: 1.2rem;
  align-content: start;
  position: relative;
  padding-top: 1.5rem;
}

/* Ornamental top ruling mark */
.product-pane::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    var(--gold-line),
    var(--gold-border) 40%,
    var(--gold-line)
  );
}

.product-label {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgb(var(--fg) / 0.48);
}

.product-name {
  font-family: "EB Garamond", Georgia, serif;
  font-size: clamp(2rem, 3.6vw, 3.2rem);
  line-height: 0.96;
}

.product-pane p {
  max-width: 34rem;
  color: rgb(var(--fg) / 0.70);
  line-height: 1.76;
}

.product-list {
  list-style: none;
  display: grid;
  gap: 0.9rem;
  margin: 0;
  padding: 0;
}

.product-list li {
  padding-top: 0.9rem;
  padding-left: 1.1rem;
  border-top: 1px solid var(--landing-line);
  color: rgb(var(--fg) / 0.84);
  line-height: 1.72;
  position: relative;
}

/* Celestial bullet mark — ✦ as manuscript ornament */
.product-list li::before {
  content: "✦";
  position: absolute;
  left: 0;
  top: calc(0.9rem + 0.1em);
  font-size: 0.48rem;
  color: var(--gold);
  opacity: 0.68;
}

.product-link {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  color: rgb(var(--fg) / 0.86);
  text-decoration: none;
  font-family: "EB Garamond", Georgia, serif;
  letter-spacing: 0.04em;
  transition: color 180ms ease, gap 200ms ease;
}

.product-link:hover {
  color: var(--gold);
  gap: 0.8rem;
}

/* ── Story / Outcomes ──────────────────────────────────────────────────────── */

.story-layout {
  display: grid;
  gap: 2rem;
  align-items: start;
}

.story-sticky {
  position: sticky;
  top: 6rem;
  align-self: start;
}

.story-list {
  display: grid;
  gap: 0;
}

.story-step span {
  display: inline-block;
  margin-bottom: 0.55rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--verdigris);
  font-family: "Cascadia Code", "Caskadyia Cove Nerd Font", "Caskaydia Cove Nerd Font", "CaskaydiaCove Nerd Font", monospace;
}

.story-step h3 {
  font-family: "EB Garamond", Georgia, serif;
  font-size: clamp(1.8rem, 2.6vw, 2.6rem);
  line-height: 0.98;
  margin-bottom: 0.65rem;
}

.story-step p {
  max-width: 34rem;
  color: rgb(var(--fg) / 0.70);
  line-height: 1.76;
}

/* ── Final CTA ─────────────────────────────────────────────────────────────── */

.final-cta {
  display: grid;
  gap: 1.15rem;
  padding: 3rem;
  background: linear-gradient(
    138deg,
    rgba(198, 166, 100, 0.07),
    rgba(94, 133, 112, 0.05)
  );
  border: 1px solid var(--gold-line);
  box-shadow: var(--landing-shadow), var(--landing-shadow-warm);
  overflow: hidden;
  isolation: isolate;
}

.final-cta-head {
  justify-items: center;
  text-align: center;
}

.final-cta-head .section-title,
.final-cta-intro {
  max-width: none;
}

/* Verdigris bloom — upper left */
.final-cta::before {
  content: "";
  position: absolute;
  inset: -24% auto auto -12%;
  width: 28rem;
  height: 28rem;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(94, 133, 112, 0.12), rgba(94, 133, 112, 0) 52%);
  filter: blur(12px);
  opacity: 0.60;
  z-index: -1;
  animation: cta-glow-drift 14s ease-in-out infinite;
}

/* Gold bloom — lower right */
.final-cta::after {
  content: "";
  position: absolute;
  inset: auto -10% -32% auto;
  width: 30rem;
  height: 30rem;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(198, 166, 100, 0.12), rgba(198, 166, 100, 0) 70%);
  filter: blur(18px);
  opacity: 0.48;
  z-index: -1;
  animation: cta-glow-drift-2 16s ease-in-out infinite;
}

.final-cta-grid {
  display: grid;
  gap: 1rem;
  align-items: stretch;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.final-cta-grid::before {
  content: "";
  position: absolute;
  width: 24rem;
  height: 24rem;
  left: -6rem;
  top: -7rem;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(94, 133, 112, 0.09), rgba(94, 133, 112, 0) 52%);
  filter: blur(12px);
  opacity: 0.48;
  z-index: -1;
  animation: cta-grid-glow-left 12s ease-in-out infinite;
}

.final-cta-grid::after {
  content: "";
  position: absolute;
  width: 24rem;
  height: 24rem;
  right: -7rem;
  bottom: -8rem;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(198, 166, 100, 0.09), rgba(198, 166, 100, 0) 54%);
  filter: blur(16px);
  opacity: 0.42;
  z-index: -1;
  animation: cta-grid-glow-right 14s ease-in-out infinite;
}

.final-cta-path {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  --pointer-x: 50%;
  --pointer-y: 50%;
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.final-cta-path::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      10rem circle at var(--pointer-x) var(--pointer-y),
      rgba(255, 248, 228, 0.16),
      rgba(198, 166, 100, 0.10) 24%,
      rgba(198, 166, 100, 0) 68%
    );
  opacity: 0;
  transition: opacity 160ms ease;
  z-index: -1;
}

.final-cta-path:hover {
  transform: translateY(-2px);
  border-color: rgba(198, 166, 100, 0.34);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.22);
}

.final-cta-path:hover::before {
  opacity: 1;
}

.final-cta-path.is-astrolabe {
  background:
    radial-gradient(circle at 100% 0%, rgba(94, 133, 112, 0.12), transparent 36%),
    linear-gradient(180deg, rgba(9, 13, 10, 0.88), rgba(8, 11, 8, 0.64));
}

.final-cta-path.is-astrolabe:hover {
  border-color: rgba(94, 133, 112, 0.36) !important;
  box-shadow: 0 20px 50px rgba(8, 20, 14, 0.24);
}

.final-cta-path.is-astrolabe::before {
  background:
    radial-gradient(
      10rem circle at var(--pointer-x) var(--pointer-y),
      rgba(215, 245, 230, 0.11),
      rgba(94, 133, 112, 0.07) 24%,
      rgba(94, 133, 112, 0) 50%
    );
}

.final-cta-path.is-orrery {
  background:
    radial-gradient(circle at 100% 0%, rgba(198, 166, 100, 0.12), transparent 36%),
    linear-gradient(180deg, rgba(14, 11, 4, 0.84), rgba(11, 9, 3, 0.62));
}

.final-cta-dot {
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 999px;
  background: var(--gold);
  box-shadow: 0 0 0.7rem rgba(198, 166, 100, 0.38);
  flex-shrink: 0;
}

.final-cta-dot.is-verdigris {
  background: var(--verdigris);
  box-shadow: 0 0 0.7rem rgba(94, 133, 112, 0.38);
}

/* ── Footer ────────────────────────────────────────────────────────────────── */

.landing-footer {
  position: relative;
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--gold-line);
  color: rgb(var(--fg) / 0.58);
  overflow: clip;
}

.landing-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 130%, rgba(198, 166, 100, 0.08), transparent 34%),
    radial-gradient(circle at 86% 8%, rgba(94, 133, 112, 0.08), transparent 22%);
  pointer-events: none;
}

.landing-footer-ornaments {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.footer-twinkle {
  position: absolute;
  width: 0.5rem;
  aspect-ratio: 1;
  border-radius: 999px;
  background: rgba(198, 166, 100, 0.85);
  color: rgba(198, 166, 100, 0.9);
  opacity: 0.24;
  filter: blur(0.02rem);
  box-shadow:
    0 0 0.95rem rgba(198, 166, 100, 0.36),
    0 0 0 1px rgba(255, 247, 227, 0.08);
  animation: footer-twinkle 7.2s ease-in-out infinite;
}

.footer-twinkle::before,
.footer-twinkle::after {
  content: "";
  position: absolute;
  inset: 50%;
  transform: translate(-50%, -50%);
  background: linear-gradient(90deg, transparent, currentColor, transparent);
  opacity: 0.72;
}

.footer-twinkle::before {
  width: 2rem;
  height: 1px;
}

.footer-twinkle::after {
  width: 1px;
  height: 2rem;
}

.footer-twinkle-gold {
  top: 34%;
  left: 37%;
}

.footer-twinkle-verdigris {
  top: 18%;
  right: 14%;
  width: 0.42rem;
  background: rgba(94, 133, 112, 0.92);
  color: rgba(94, 133, 112, 0.92);
  box-shadow:
    0 0 0.8rem rgba(94, 133, 112, 0.34),
    0 0 0 1px rgba(205, 236, 223, 0.08);
  animation-delay: 1.8s;
  animation-duration: 8.4s;
}

.footer-twinkle-small {
  right: 26%;
  bottom: 14%;
  width: 0.28rem;
  opacity: 0.16;
  animation-delay: 4.1s;
  animation-duration: 6.4s;
}

.landing-footer-row {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  position: relative;
  z-index: 1;
}

.landing-footer-brand {
  max-width: 28rem;
}

/* ── Mobile nav ────────────────────────────────────────────────────────────── */

.mobile-nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid rgba(198, 166, 100, 0.22);
  color: var(--gold);
  background: transparent;
  cursor: pointer;
}

.mobile-nav-panel {
  display: none;
  border-top: 1px solid rgba(198, 166, 100, 0.13);
  background: rgba(12, 8, 3, 0.96);
  backdrop-filter: blur(24px);
}

.mobile-nav-panel.is-open {
  display: block;
}

.mobile-nav-panel a {
  display: block;
  padding: 1rem 1.5rem;
  color: rgb(var(--fg) / 0.76);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 166, 100, 0.06);
  font-family: "EB Garamond", Georgia, serif;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  transition: color 180ms ease, background 180ms ease;
}

.mobile-nav-panel a:hover {
  color: var(--gold);
  background: rgba(198, 166, 100, 0.04);
}

/* ── Keyframes ─────────────────────────────────────────────────────────────── */

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes hero-float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

@keyframes hero-caret-blink {
  0%, 48%   { opacity: 1; }
  50%, 100% { opacity: 0; }
}

@keyframes cta-glow-drift {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1);    opacity: 0.56; }
  50%      { transform: translate3d(10%, 6%, 0) scale(1.12); opacity: 0.80; }
}

@keyframes cta-glow-drift-2 {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1);      opacity: 0.42; }
  50%      { transform: translate3d(-8%, -7%, 0) scale(1.08); opacity: 0.68; }
}

@keyframes cta-grid-glow-left {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1);      opacity: 0.38; }
  50%      { transform: translate3d(14%, 8%, 0) scale(1.14); opacity: 0.62; }
}

@keyframes cta-grid-glow-right {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1);        opacity: 0.34; }
  50%      { transform: translate3d(-12%, -10%, 0) scale(1.12); opacity: 0.56; }
}

@keyframes footer-twinkle {
  0%, 100% {
    transform: scale(0.92);
    opacity: 0.16;
  }
  18% {
    transform: scale(1);
    opacity: 0.22;
  }
  24% {
    transform: scale(1.34);
    opacity: 0.72;
  }
  30% {
    transform: scale(1);
    opacity: 0.24;
  }
  68% {
    transform: scale(0.96);
    opacity: 0.2;
  }
}

/* ── Responsive ────────────────────────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  .footer-twinkle {
    animation: none;
    opacity: 0.18;
  }
}

@media (max-width: 899px) {
  .hero-copy {
    padding-top: 3.8rem;
  }

  .hero-title {
    max-width: 12ch;
  }

  .footer-twinkle-gold {
    left: auto;
    right: 18%;
    top: 24%;
  }

  .footer-twinkle-verdigris {
    right: 10%;
    top: 14%;
  }

  .hero-visual {
    min-height: 24rem;
  }

  .hero-visual-frame {
    width: 100%;
  }

  .hero-terminal-body {
    height: 18.5rem;
    padding-inline: 0.65rem;
  }

  .hero-terminal-mount {
    height: 100%;
  }

  .story-sticky {
    position: static;
  }

  .final-cta {
    padding: 2rem 1.4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-title-caret {
    animation: none;
  }

  .typed-caret,
  .instr-prog-fill::after,
  .instr-xfer-dot {
    animation: none;
  }

  .instr-prog-fill,
  .instr-row[data-demo-step],
  .instr-prog-row[data-demo-step],
  .instr-tags[data-demo-step],
  .instr-xfer[data-demo-step],
  .instr-check-row[data-demo-step],
  .instr-pass {
    transition: none;
  }
}

/* ── Instrument panel ──────────────────────────────────────────────────────── */

.instr-panel,
.instr-panel * {
  font-family: "Cascadia Code", "Caskaydia Cove Nerd Font", "CaskaydiaCove Nerd Font", monospace;
  font-size: 0.82rem;
  line-height: 1.5;
}

.instr-section {
  border: 1px solid rgba(94, 133, 112, 0.20);
}

.instr-section + .instr-section {
  border-top: none;
}

.instr-section.instr-orrery {
  border-color: rgba(198, 166, 100, 0.20);
}

.instr-titlebar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 0.75rem;
  background: rgba(94, 133, 112, 0.07);
  border-bottom: 1px solid rgba(94, 133, 112, 0.12);
}

.instr-orrery .instr-titlebar {
  background: rgba(198, 166, 100, 0.055);
  border-bottom-color: rgba(198, 166, 100, 0.12);
}

.instr-dots {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.instr-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.instr-dot-r { background: rgba(255, 95, 87, 0.55); }
.instr-dot-y { background: rgba(255, 189, 46, 0.55); }
.instr-dot-g { background: rgba(40, 200, 64, 0.55); }

.instr-title-text {
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: rgba(198, 166, 100, 0.58);
}

.instr-pass {
  margin-left: auto;
  padding: 0.1rem 0.45rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  background: rgba(94, 133, 112, 0.10);
  color: var(--verdigris);
  border: 1px solid rgba(94, 133, 112, 0.26);
  opacity: 0.32;
  transition: opacity 280ms ease, box-shadow 280ms ease;
}

.instr-pass.is-live {
  opacity: 1;
  box-shadow: 0 0 0.9rem rgba(94, 133, 112, 0.15);
}

.instr-body {
  padding: 0.65rem 0.75rem;
  display: grid;
  gap: 0.35rem;
}

.instr-row[data-demo-step],
.instr-prog-row[data-demo-step],
.instr-tags[data-demo-step],
.instr-xfer[data-demo-step],
.instr-check-row[data-demo-step] {
  opacity: 0.15;
  transform: translateY(5px);
  transition: opacity 320ms ease, transform 320ms ease;
}

.instr-row[data-demo-step].is-visible,
.instr-prog-row[data-demo-step].is-visible,
.instr-tags[data-demo-step].is-visible,
.instr-xfer[data-demo-step].is-visible,
.instr-check-row[data-demo-step].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.instr-row {
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
  font-size: 0.78rem;
}

.instr-prompt { color: var(--verdigris); flex-shrink: 0; }
.instr-cmd    { color: rgb(var(--fg) / 0.88); font-size: 0.77rem; }

.instr-cmd .typed-caret {
  height: 1em;
  margin-left: 0.12em;
  color: var(--verdigris);
  background: currentColor;
  box-shadow: 0 0 0.45rem rgba(94, 133, 112, 0.38);
  vertical-align: -0.08em;
}

.instr-key { font-size: 0.72rem; color: rgb(var(--fg) / 0.36); flex-shrink: 0; }
.instr-val { font-size: 0.72rem; color: rgb(var(--fg) / 0.56); margin-left: auto; }

.instr-prog-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.1rem;
}

.instr-prog {
  flex: 1;
  height: 2px;
  background: rgba(94, 133, 112, 0.09);
  overflow: hidden;
}

.instr-prog-fill {
  height: 100%;
  width: 0;
  background: var(--verdigris);
  position: relative;
  overflow: hidden;
  transition: width 1200ms cubic-bezier(0.22, 1, 0.36, 1);
}

.instr-prog-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.32) 50%, transparent 100%);
  animation: instr-shimmer 1.8s ease-in-out infinite;
  animation-play-state: paused;
  transform: translateX(-100%);
}

.instr-prog-fill.is-active::after {
  animation-play-state: running;
}

@keyframes instr-shimmer {
  to { transform: translateX(250%); }
}

.instr-prog-note {
  font-size: 0.68rem;
  color: rgb(var(--fg) / 0.36);
  white-space: nowrap;
}

.instr-tags {
  display: flex;
  gap: 0.35rem;
  margin-top: 0.1rem;
  flex-wrap: wrap;
}

.instr-tag {
  padding: 0.1rem 0.4rem;
  font-size: 0.64rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.instr-tag-v {
  background: rgba(94, 133, 112, 0.08);
  color: var(--verdigris);
  border: 1px solid rgba(94, 133, 112, 0.18);
}

.instr-tag-c {
  background: rgba(198, 166, 100, 0.07);
  color: var(--gold);
  border: 1px solid rgba(198, 166, 100, 0.18);
}

.instr-xfer {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.4rem 0.75rem;
  background: rgba(198, 166, 100, 0.03);
  border-top: 1px solid rgba(198, 166, 100, 0.08);
  border-bottom: 1px solid rgba(198, 166, 100, 0.08);
}

.instr-xfer-dots { display: flex; gap: 3px; }

.instr-xfer-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(198, 166, 100, 0.46);
  animation: instr-pulse 1.3s ease-in-out infinite;
}

.instr-xfer-dot:nth-child(2) { animation-delay: 0.22s; }
.instr-xfer-dot:nth-child(3) { animation-delay: 0.44s; }

@keyframes instr-pulse {
  0%, 80%, 100% { opacity: 0.20; transform: scale(0.82); }
  40%           { opacity: 1;    transform: scale(1); }
}

.instr-xfer-label {
  font-size: 0.68rem;
  color: rgba(198, 166, 100, 0.48);
  letter-spacing: 0.04em;
}

.instr-check-row {
  display: flex;
  gap: 0.5rem;
  font-size: 0.77rem;
  color: rgb(var(--fg) / 0.78);
  align-items: flex-start;
}

.instr-check {
  color: var(--verdigris);
  flex-shrink: 0;
  line-height: 1.4;
}


/* ── Light mode ────────────────────────────────────────────────────────────── */
/* All landing CSS assumes dark; these overrides make the palette readable
   on a warm parchment background. Dark class lives on <html>, not <body>,
   so we target html:not(.dark) to scope only the un-toggled state.        */

html:not(.dark) body.app-website {
  --gold-line:         rgba(120, 86, 28, 0.22);
  --gold-border:       rgba(120, 86, 28, 0.36);
  --gold-dim:          rgba(120, 86, 28, 0.68);
  --gold-subtle:       rgba(198, 166, 100, 0.16);

  --verdigris-border:  rgba(52, 88, 65, 0.34);
  --verdigris-subtle:  rgba(52, 88, 65, 0.10);

  --landing-line:      rgba(120, 86, 28, 0.20);
  --landing-shadow:    0 20px 60px rgba(60, 38, 10, 0.14);
  --landing-shadow-warm: 0 12px 40px rgba(120, 86, 28, 0.07);
}

/* Hero — warm parchment instead of obsidian */
html:not(.dark) .hero-stage::before {
  background:
    radial-gradient(ellipse 58% 48% at 16% 22%, rgba(198, 166, 100, 0.18), transparent),
    radial-gradient(ellipse 44% 38% at 76% 26%, rgba(139, 62, 47, 0.09), transparent),
    radial-gradient(ellipse 40% 36% at 54% 80%, rgba(94, 133, 112, 0.07), transparent),
    linear-gradient(148deg, rgba(246, 235, 212, 0.97), rgba(239, 225, 198, 0.82) 52%, rgba(249, 240, 220, 0.98));
}

html:not(.dark) .hero-stage::after {
  background-image:
    linear-gradient(rgba(90, 60, 20, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90, 60, 20, 0.06) 1px, transparent 1px);
}

/* Header — light parchment glass */
html:not(.dark) .landing-header {
  background: linear-gradient(
    180deg,
    rgba(242, 228, 202, 0.94),
    rgba(242, 228, 202, 0.12)
  );
  border-bottom-color: rgba(120, 86, 28, 0.18);
}

/* Hero orbit */
html:not(.dark) .hero-orbit {
  background:
    radial-gradient(circle at 34% 30%, rgba(198, 166, 100, 0.26), transparent 28%),
    radial-gradient(circle at 66% 22%, rgba(94, 133, 112, 0.15), transparent 24%),
    radial-gradient(circle at 50% 50%, rgba(120, 86, 28, 0.06), transparent 58%);
}

/* Hero visual frame — parchment panel */
html:not(.dark) .hero-visual-frame {
  background: linear-gradient(
    168deg,
    rgba(248, 240, 222, 0.98),
    rgba(242, 231, 210, 0.90)
  );
  border-color: rgba(120, 86, 28, 0.24);
}

html:not(.dark) .hero-visual-frame::before {
  border-color: rgba(120, 86, 28, 0.09);
}

html:not(.dark) .hero-visual-frame::after {
  background:
    radial-gradient(circle at 0%   0%,   rgba(120, 86, 28, 0.16) 0px, transparent 8px),
    radial-gradient(circle at 100% 0%,   rgba(120, 86, 28, 0.16) 0px, transparent 8px),
    radial-gradient(circle at 0%   100%, rgba(120, 86, 28, 0.16) 0px, transparent 8px),
    radial-gradient(circle at 100% 100%, rgba(120, 86, 28, 0.16) 0px, transparent 8px);
}

/* Section bands */
html:not(.dark) .section-band.section-band-dark {
  background: linear-gradient(
    180deg,
    rgba(222, 207, 180, 0.50),
    rgba(213, 197, 168, 0.72) 50%,
    rgba(222, 207, 180, 0.50)
  );
  border-top-color:    rgba(120, 86, 28, 0.18);
  border-bottom-color: rgba(120, 86, 28, 0.18);
}

/* Etched texture — darker ink on parchment */
html:not(.dark) .section-band::before {
  background: repeating-linear-gradient(
    -48deg,
    rgba(90, 60, 20, 0.03) 0px,
    rgba(90, 60, 20, 0.03) 1px,
    transparent 1px,
    transparent 9px
  );
}

/* Section head ornament stroke */
html:not(.dark) .section-head::before {
  background: linear-gradient(90deg, rgba(120, 86, 28, 0.55), transparent);
}

/* Section rule compass ornament */
html:not(.dark) .section-rule {
  color: rgba(100, 68, 18, 0.52);
}

/* Support visual panel */
html:not(.dark) .support-visual {
  background: linear-gradient(
    158deg,
    rgba(246, 237, 218, 0.94),
    rgba(240, 229, 207, 0.80)
  );
  border-color: rgba(120, 86, 28, 0.18);
}

/* Product pane ruling */
html:not(.dark) .product-pane::before {
  background: linear-gradient(
    90deg,
    rgba(120, 86, 28, 0.18),
    rgba(120, 86, 28, 0.34) 40%,
    rgba(120, 86, 28, 0.18)
  );
}


/* Final CTA section */
html:not(.dark) .final-cta {
  background: linear-gradient(
    138deg,
    rgba(198, 166, 100, 0.13),
    rgba(94, 133, 112, 0.08)
  );
  border-color: rgba(120, 86, 28, 0.22);
}

html:not(.dark) .final-cta-path.is-astrolabe {
  background:
    radial-gradient(circle at 100% 0%, rgba(94, 133, 112, 0.15), transparent 36%),
    linear-gradient(180deg, rgba(240, 232, 214, 0.94), rgba(234, 224, 202, 0.80));
}

html:not(.dark) .final-cta-path.is-orrery {
  background:
    radial-gradient(circle at 100% 0%, rgba(198, 166, 100, 0.17), transparent 36%),
    linear-gradient(180deg, rgba(246, 237, 217, 0.92), rgba(240, 229, 205, 0.78));
}

html:not(.dark) .final-cta-path:hover {
  border-color: rgba(120, 86, 28, 0.42) !important;
  box-shadow: 0 20px 50px rgba(60, 38, 10, 0.16);
}

html:not(.dark) .final-cta-dot {
  box-shadow: 0 0 0.7rem rgba(120, 86, 28, 0.26);
}

/* Footer */
html:not(.dark) .landing-footer {
  border-top-color: rgba(120, 86, 28, 0.20);
}

html:not(.dark) .hero-terminal-shell {
  border-color: rgba(120, 86, 28, 0.16);
  background:
    radial-gradient(circle at 100% 0%, rgba(52, 88, 65, 0.12), transparent 34%),
    linear-gradient(180deg, rgba(250, 244, 230, 0.96), rgba(241, 230, 205, 0.86));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

html:not(.dark) .hero-terminal-header {
  border-bottom-color: rgba(120, 86, 28, 0.12);
  background: linear-gradient(180deg, rgba(120, 86, 28, 0.08), rgba(120, 86, 28, 0.03));
}

html:not(.dark) .hero-terminal-title {
  color: rgba(120, 86, 28, 0.72);
}

/* Mobile nav */
html:not(.dark) .mobile-nav-panel {
  background: rgba(246, 236, 214, 0.98);
  border-top-color: rgba(120, 86, 28, 0.15);
}

html:not(.dark) .mobile-nav-panel a {
  border-bottom-color: rgba(120, 86, 28, 0.08);
}

/* ── Light mode — instrument panel ─────────────────────────────────────────── */

html:not(.dark) .instr-section {
  border-color: rgba(52, 88, 65, 0.28);
}

html:not(.dark) .instr-section.instr-orrery {
  border-color: rgba(120, 86, 28, 0.28);
}

html:not(.dark) .instr-titlebar {
  background: rgba(52, 88, 65, 0.09);
  border-bottom-color: rgba(52, 88, 65, 0.16);
}

html:not(.dark) .instr-orrery .instr-titlebar {
  background: rgba(120, 86, 28, 0.08);
  border-bottom-color: rgba(120, 86, 28, 0.16);
}

html:not(.dark) .instr-title-text {
  color: rgba(100, 68, 18, 0.62);
}

html:not(.dark) .instr-pass {
  background: rgba(52, 88, 65, 0.11);
  border-color: rgba(52, 88, 65, 0.32);
}

html:not(.dark) .instr-prog {
  background: rgba(52, 88, 65, 0.12);
}

html:not(.dark) .instr-tag-v {
  background: rgba(52, 88, 65, 0.09);
  border-color: rgba(52, 88, 65, 0.24);
}

html:not(.dark) .instr-tag-c {
  background: rgba(120, 86, 28, 0.09);
  border-color: rgba(120, 86, 28, 0.24);
}

html:not(.dark) .instr-xfer {
  background: rgba(120, 86, 28, 0.05);
  border-top-color:    rgba(120, 86, 28, 0.12);
  border-bottom-color: rgba(120, 86, 28, 0.12);
}

html:not(.dark) .instr-xfer-dot {
  background: rgba(120, 86, 28, 0.52);
}

html:not(.dark) .instr-xfer-label {
  color: rgba(100, 68, 18, 0.58);
}

@media (min-width: 900px) {
  .landing-nav {
    display: inline-flex;
  }

  .mobile-nav-toggle,
  .mobile-nav-panel {
    display: none !important;
  }

  .hero-grid,
  .support-grid,
  .product-grid,
  .story-layout,
  .final-cta-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-grid {
    gap: 4rem;
  }

  .support-grid {
    grid-template-columns: minmax(18rem, 25rem) minmax(0, 1fr);
  }

  .story-layout {
    grid-template-columns: minmax(18rem, 26rem) minmax(0, 1fr);
  }

  .landing-footer-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: center;
  }
}