/* Ingenuity Spark — Domain Marketing Landing
   STEM lab-notebook · amber CRT + cyan instrument · cinematic dark
   Fonts: Syne (display) + Fraunces (editorial / insight) */

:root {
  --bg: #06080a;
  --bg-raised: #0a0e12;
  --bg-glass: rgba(10, 16, 22, 0.62);
  --border: rgba(212, 160, 23, 0.24);
  --border-soft: rgba(180, 220, 240, 0.08);
  --border-cyan: rgba(64, 196, 210, 0.28);
  --gold: #d4a017;
  --gold-bright: #f0d78c;
  --gold-deep: #a67812;
  --amber: #e8a020;
  --amber-crt: #f0b429;
  --ember: #e07a18;
  --copper: #c45c26;
  --cyan: #3ec4d2;
  --cyan-soft: rgba(62, 196, 210, 0.35);
  --phosphor: rgba(240, 180, 41, 0.22);
  --text: #eef4f7;
  --text-muted: rgba(238, 244, 247, 0.64);
  --text-faint: rgba(238, 244, 247, 0.38);
  --danger: #f0a8a0;
  --font-display: "Syne", system-ui, sans-serif;
  --font-serif: "Fraunces", Georgia, serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --wrap: min(1180px, calc(100% - 2.75rem));
  --header-h: 4.5rem;
}

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

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--gold-bright);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
  transition: color 0.25s var(--ease);
}
a:hover { color: var(--cyan); }

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 200;
  padding: 0.75rem 1.1rem;
  background: linear-gradient(135deg, var(--amber), var(--cyan));
  color: #06080a;
  font-weight: 600;
  text-decoration: none;
  border-radius: 2px;
}
.skip-link:focus { top: 1rem; }

.wrap {
  width: var(--wrap);
  margin-inline: auto;
}

/* ——— Ambient / STEM motifs ——— */
.spark-field {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.8;
}

.ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.blueprint-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(62, 196, 210, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(62, 196, 210, 0.035) 1px, transparent 1px),
    linear-gradient(rgba(212, 160, 23, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 160, 23, 0.025) 1px, transparent 1px);
  background-size: 48px 48px, 48px 48px, 12px 12px, 12px 12px;
  mask-image: radial-gradient(ellipse 75% 65% at 50% 35%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 35%, #000 20%, transparent 75%);
  opacity: 0.9;
}

.constellation {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: rgba(62, 196, 210, 0.22);
  opacity: 0.55;
}
.constellation-nodes { color: rgba(240, 215, 140, 0.45); }

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.glow--phosphor {
  width: min(70vw, 640px);
  height: min(70vw, 640px);
  top: -18%;
  right: -12%;
  background: radial-gradient(circle, rgba(240, 180, 41, 0.22) 0%, rgba(212, 160, 23, 0.08) 40%, transparent 70%);
  animation: breathe 10s var(--ease) infinite;
}

.glow--amber {
  width: min(50vw, 480px);
  height: min(50vw, 480px);
  bottom: 5%;
  left: -15%;
  background: radial-gradient(circle, rgba(224, 122, 24, 0.18) 0%, rgba(212, 160, 23, 0.05) 45%, transparent 72%);
  animation: breathe 12s var(--ease) infinite reverse;
}

.glow--cyan {
  width: min(42vw, 380px);
  height: min(42vw, 380px);
  top: 42%;
  left: 38%;
  background: radial-gradient(circle, rgba(62, 196, 210, 0.1) 0%, transparent 65%);
  animation: breathe 9s var(--ease) infinite;
  animation-delay: -2s;
}

.vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, transparent 40%, rgba(6, 8, 10, 0.6) 100%),
    linear-gradient(180deg, transparent 60%, rgba(6, 8, 10, 0.88) 100%);
}

@keyframes breathe {
  0%, 100% { opacity: 0.55; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.08); }
}

/* ——— Header ——— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: rgba(6, 8, 10, 0.78);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  border-bottom: 1px solid transparent;
  transition: border-color 0.35s var(--ease), background 0.35s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--border-soft);
  background: rgba(6, 8, 10, 0.9);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}
.brand:hover { color: inherit; text-decoration: none; }

.brand-mark {
  color: var(--gold);
  flex-shrink: 0;
  filter: drop-shadow(0 0 10px rgba(62, 196, 210, 0.35));
  animation: spark-pulse 4.5s var(--ease) infinite;
}
@keyframes spark-pulse {
  0%, 100% { opacity: 0.8; filter: drop-shadow(0 0 4px transparent); }
  50% { opacity: 1; filter: drop-shadow(0 0 12px rgba(240, 180, 41, 0.45)); }
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}
.brand-ingenuity {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}
.brand-spark {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--gold-bright);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}
.header-nav a {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-muted);
}
.header-nav a:hover { color: var(--gold-bright); }

.header-cta {
  padding: 0.5rem 1rem !important;
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--gold-bright) !important;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.header-cta:hover {
  background: rgba(62, 196, 210, 0.1);
  border-color: var(--cyan);
  box-shadow: 0 0 20px rgba(62, 196, 210, 0.12);
}

/* ——— Main / sections ——— */
main { position: relative; z-index: 1; }

.section {
  padding: clamp(4.75rem, 11vw, 8rem) 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 1rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
}

.eyebrow-pip {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan), 0 0 24px rgba(62, 196, 210, 0.35);
  animation: pip 2.2s ease-in-out infinite;
}
@keyframes pip {
  0%, 100% { opacity: 0.5; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.15); }
}

.section-head {
  max-width: 28rem;
  margin-bottom: clamp(2.5rem, 5vw, 3.75rem);
}
.section-head--center {
  max-width: 36rem;
  margin-inline: auto;
  text-align: center;
}

.section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
}
.section-head h2 em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  color: var(--gold-bright);
}

.section-sub {
  margin: 1.1rem 0 0;
  color: var(--text-muted);
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 400;
  line-height: 1.55;
  max-width: 32rem;
}

/* ——— Glass / lab panel ——— */
.glass {
  background: var(--bg-glass);
  border: 1px solid var(--border-soft);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 2px;
  box-shadow:
    inset 0 1px 0 rgba(180, 220, 240, 0.04),
    0 20px 50px rgba(0, 0, 0, 0.4);
}

/* ——— Hero ——— */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 5.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero-lockup {
  margin: 0 0 1.5rem;
  line-height: 0.92;
}

.lockup-row {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.15em 0.35em;
}

.lockup-ingenuity .word {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.2rem, 11vw, 6.75rem);
  letter-spacing: -0.045em;
  color: var(--text);
  text-transform: none;
}

.lockup-spark {
  margin-top: 0.05em;
  align-items: center;
}

.lockup-spark .word--gold {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 600;
  font-size: clamp(3rem, 10vw, 6.25rem);
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, var(--gold-bright) 0%, var(--amber) 45%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 28px rgba(240, 180, 41, 0.22));
}

.tld {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.4rem, 3.5vw, 2.1rem);
  color: var(--gold);
  letter-spacing: 0.02em;
  align-self: flex-end;
  margin-bottom: 0.35em;
  opacity: 0.9;
}

.spark-glyph {
  width: clamp(2.4rem, 6vw, 3.6rem);
  height: clamp(2.4rem, 6vw, 3.6rem);
  color: var(--amber-crt);
  flex-shrink: 0;
  filter: drop-shadow(0 0 14px rgba(240, 180, 41, 0.5));
  animation: spark-pulse 3.8s var(--ease) infinite;
}
.spark-glyph svg { width: 100%; height: 100%; }

.hero-manifesto {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2.6vw, 1.65rem);
  font-weight: 400;
  font-style: italic;
  color: var(--gold-bright);
  line-height: 1.4;
  max-width: 30rem;
}

.hero-lede {
  margin: 0 0 2rem;
  max-width: 32rem;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.hero-ask {
  margin: 0 0 1.75rem;
}

.ask-card {
  display: inline-flex;
  align-items: baseline;
  gap: 0.65rem;
  padding: 0.85rem 1.35rem;
  background: linear-gradient(135deg, rgba(240, 180, 41, 0.1), rgba(62, 196, 210, 0.06));
  border: 1px solid var(--border);
  border-radius: 2px;
  box-shadow: 0 0 40px rgba(240, 180, 41, 0.08);
}

.ask-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.ask-amount {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--gold-bright);
}

.ask-currency {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.ask-note {
  margin: 0.75rem 0 0;
  font-size: 0.85rem;
  color: var(--text-faint);
  letter-spacing: 0.03em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.1rem;
}

/* Hero stage / instrument orb */
.hero-stage {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 280px;
}

.domain-orb {
  position: relative;
  width: min(100%, 340px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}

.orb-ring {
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  border: 1px solid rgba(212, 160, 23, 0.2);
}
.orb-ring--outer {
  inset: 0;
  border-color: rgba(62, 196, 210, 0.2);
  box-shadow:
    0 0 60px rgba(62, 196, 210, 0.1),
    inset 0 0 40px rgba(240, 180, 41, 0.04);
  animation: spin-slow 48s linear infinite;
}
.orb-ring--mid {
  inset: 14%;
  border-style: dashed;
  border-color: rgba(240, 215, 140, 0.2);
  animation: spin-slow 36s linear infinite reverse;
}
.orb-ring--grid {
  inset: 26%;
  border-radius: 50%;
  border: 1px solid rgba(62, 196, 210, 0.12);
  background:
    linear-gradient(rgba(62, 196, 210, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(62, 196, 210, 0.06) 1px, transparent 1px);
  background-size: 16px 16px;
  animation: none;
}
@keyframes spin-slow {
  to { transform: rotate(360deg); }
}

.orb-core {
  position: relative;
  z-index: 2;
  width: 42%;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, rgba(240, 215, 140, 0.22), rgba(62, 196, 210, 0.12) 45%, rgba(6, 8, 10, 0.92) 70%);
  border: 1px solid rgba(212, 160, 23, 0.35);
  box-shadow:
    0 0 50px rgba(240, 180, 41, 0.28),
    0 0 90px rgba(62, 196, 210, 0.12);
  color: var(--gold-bright);
}

.orb-spark {
  width: 58%;
  height: 58%;
  animation: spark-pulse 3.2s var(--ease) infinite;
}

.orb-caption {
  position: absolute;
  bottom: 0.35rem;
  left: 50%;
  transform: translateX(-50%);
  margin: 0;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-faint);
  white-space: nowrap;
}

.orb-meta {
  position: absolute;
  bottom: -1.35rem;
  left: 50%;
  transform: translateX(-50%);
  margin: 0;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  opacity: 0.7;
  white-space: nowrap;
}

.scroll-cue {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 3.25rem;
  background: linear-gradient(to bottom, transparent, var(--cyan));
}
.scroll-cue span {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 6px;
  height: 6px;
  margin-left: -3px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 10px var(--amber);
  animation: cue 2.4s var(--ease) infinite;
}
@keyframes cue {
  0%, 100% { opacity: 0.25; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(-10px); }
}

/* ——— Buttons ——— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 1.85rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.3s var(--ease), box-shadow 0.35s var(--ease), background 0.35s var(--ease), border-color 0.3s var(--ease), color 0.3s var(--ease);
}

.btn--ember {
  position: relative;
  overflow: hidden;
  background: linear-gradient(125deg, var(--amber) 0%, var(--gold) 40%, var(--cyan) 100%);
  background-size: 200% 200%;
  color: #06080a;
  box-shadow:
    0 0 0 1px rgba(240, 180, 41, 0.3),
    0 10px 36px rgba(240, 180, 41, 0.22);
}
.btn--ember::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 30%, rgba(255, 255, 255, 0.4) 50%, transparent 70%);
  transform: translateX(-130%);
  transition: transform 0.75s var(--ease);
}
.btn--ember:hover {
  transform: translateY(-2px);
  background-position: 100% 40%;
  box-shadow:
    0 0 0 1px rgba(62, 196, 210, 0.4),
    0 14px 44px rgba(62, 196, 210, 0.22);
  color: #06080a;
  text-decoration: none;
}
.btn--ember:hover::after { transform: translateX(130%); }
.btn--ember:active { transform: translateY(0); }
.btn--ember:disabled {
  opacity: 0.65;
  cursor: wait;
  transform: none;
}

.btn--ghost {
  background: transparent;
  color: var(--gold-bright);
  border-color: var(--border);
}
.btn--ghost:hover {
  border-color: var(--cyan);
  color: var(--gold-bright);
  background: rgba(62, 196, 210, 0.08);
  text-decoration: none;
}

.btn--wide { width: 100%; max-width: 24rem; }

/* ——— Trust ——— */
.trust {
  position: relative;
  z-index: 1;
  padding: 0 0 0.5rem;
  border-top: 1px solid var(--border-soft);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-soft);
  border: 1px solid var(--border-soft);
  border-radius: 2px;
  overflow: hidden;
}

.trust-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 1.1rem 0.85rem;
  background: var(--bg-raised);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: center;
}

.trust-icon {
  color: var(--cyan);
  font-size: 0.7rem;
  opacity: 0.85;
}

/* ——— Why ——— */
.why {
  border-top: 1px solid var(--border-soft);
  background: linear-gradient(180deg, transparent, rgba(10, 14, 18, 0.7) 30%, transparent);
}

.section-split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.why-rail {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.why-card {
  padding: 1.6rem 1.45rem;
  transition: border-color 0.35s var(--ease), transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.why-card:hover {
  border-color: var(--border-cyan);
  transform: translateY(-4px);
  box-shadow:
    inset 0 1px 0 rgba(180, 220, 240, 0.06),
    0 24px 48px rgba(0, 0, 0, 0.4),
    0 0 28px rgba(62, 196, 210, 0.08);
}

.why-idx {
  display: block;
  margin-bottom: 0.85rem;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--cyan);
}

.why-card h3 {
  margin: 0 0 0.55rem;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.why-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.why-card:nth-child(2),
.why-card:nth-child(4) {
  transform: translateY(1.25rem);
}
.why-card:nth-child(2):hover,
.why-card:nth-child(4):hover {
  transform: translateY(calc(1.25rem - 4px));
}

/* ——— Anatomy ——— */
.anatomy {
  border-top: 1px solid var(--border-soft);
  background:
    radial-gradient(ellipse 60% 40% at 50% 30%, rgba(62, 196, 210, 0.05), transparent 70%),
    radial-gradient(ellipse 40% 30% at 70% 60%, rgba(240, 180, 41, 0.05), transparent 70%);
}

.anatomy-stage {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: clamp(1rem, 3vw, 2rem);
  align-items: center;
  margin-bottom: 3rem;
}

.anatomy-word { text-align: center; }

.anatomy-label {
  margin: 0 0 0.65rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.anatomy-big {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 6vw, 4rem);
  letter-spacing: -0.04em;
  line-height: 1;
}

.anatomy-big--gold {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 600;
  background: linear-gradient(120deg, var(--gold-bright), var(--amber), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.anatomy-def {
  margin: 0 auto;
  max-width: 18rem;
  color: var(--text-muted);
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.5;
}

.anatomy-fuse {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: var(--gold);
}

.fuse-spark {
  width: 48px;
  height: 48px;
  filter: drop-shadow(0 0 16px rgba(240, 180, 41, 0.5));
  animation: spark-pulse 3s var(--ease) infinite;
}

.fuse-line {
  width: 1px;
  height: 3rem;
  background: linear-gradient(to bottom, var(--cyan), transparent);
}

.anatomy-compound {
  text-align: center;
  margin: 0;
}

.compound-domain {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 4vw, 2.35rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.65rem;
}

.compound-ember {
  background: linear-gradient(120deg, var(--gold), var(--amber), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.compound-note {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
}

/* ——— Buyers ——— */
.buyers { border-top: 1px solid var(--border-soft); }

.buyer-bento {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 1rem;
}

.buyer {
  padding: 1.75rem 1.55rem;
  transition: border-color 0.35s var(--ease), transform 0.35s var(--ease);
}
.buyer:hover {
  border-color: var(--border-cyan);
  transform: translateY(-3px);
}

.buyer--featured {
  grid-row: 1 / 3;
  background:
    linear-gradient(160deg, rgba(62, 196, 210, 0.1), rgba(240, 180, 41, 0.06) 40%, rgba(10, 16, 22, 0.75) 70%),
    var(--bg-glass);
  border-color: rgba(62, 196, 210, 0.28);
  display: flex;
  flex-direction: column;
}

.buyer-tag {
  align-self: flex-start;
  margin-bottom: 1.25rem;
  padding: 0.3rem 0.7rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #06080a;
  background: linear-gradient(90deg, var(--amber), var(--cyan));
  border-radius: 2px;
}

.buyer h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.buyer--featured h3 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
}

.buyer p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.98rem;
}

.buyer ul {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.45rem;
}

.buyer li {
  font-size: 0.85rem;
  color: var(--gold-bright);
  padding-left: 1rem;
  position: relative;
}
.buyer li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

/* ——— Specs ——— */
.specs-section {
  border-top: 1px solid var(--border-soft);
  background: radial-gradient(ellipse 70% 45% at 50% 0%, rgba(62, 196, 210, 0.05), transparent 65%);
}

.specs-grid {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
}

.spec {
  padding: 1.35rem 1.25rem;
}

.spec dt {
  margin: 0 0 0.45rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.spec dd {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--gold-bright);
  word-break: break-word;
}

.spec--price dd {
  font-family: var(--font-display);
  font-weight: 700;
  font-style: normal;
  background: linear-gradient(120deg, var(--gold-bright), var(--amber), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ——— Inquiry ——— */
.inquiry {
  border-top: 1px solid var(--border-soft);
}

.inquiry-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: start;
}

.inquiry-meta {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-soft);
}
.inquiry-meta p {
  margin: 0 0 0.35rem;
  font-size: 0.9rem;
  color: var(--text-faint);
}
.inquiry-email {
  font-family: var(--font-serif);
  font-size: 1.05rem !important;
  color: var(--gold-bright) !important;
}

.inquiry-panel {
  padding: clamp(1.75rem, 3vw, 2.35rem);
  position: relative;
}

.inquiry-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.field label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.req { color: var(--amber); }
.opt {
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
  color: var(--text-faint);
  margin-left: 0.35rem;
}

input,
textarea {
  width: 100%;
  padding: 0.95rem 1.05rem;
  background: rgba(6, 8, 10, 0.7);
  border: 1px solid var(--border-soft);
  border-radius: 2px;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 400;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
  appearance: none;
}

input::placeholder,
textarea::placeholder { color: var(--text-faint); }

input:hover,
textarea:hover { border-color: rgba(62, 196, 210, 0.3); }

input:focus,
textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(62, 196, 210, 0.15);
  outline: none;
}

input.is-invalid,
textarea.is-invalid { border-color: var(--danger); }

.field-error {
  margin: 0.4rem 0 0;
  font-size: 0.8125rem;
  color: var(--danger);
}

.field.hp {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-actions { margin-top: 0.35rem; }

.form-note {
  margin: 1rem 0 0;
  font-size: 0.8rem;
  color: var(--text-faint);
  max-width: 28rem;
  line-height: 1.5;
}

.success-state {
  text-align: center;
  padding: 2.5rem 1rem;
}

.success-mark {
  color: var(--cyan);
  display: flex;
  justify-content: center;
  margin-bottom: 1.25rem;
  filter: drop-shadow(0 0 16px rgba(62, 196, 210, 0.35));
}

.success-state h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 2rem;
  font-weight: 500;
}

.success-state p {
  margin: 0 auto 1.75rem;
  max-width: 26rem;
  color: var(--text-muted);
}

/* ——— Footer ——— */
.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border-soft);
  padding: 2.75rem 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.85rem 1.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.footer-mark {
  color: var(--cyan);
  font-size: 0.85rem;
}

.footer-domain {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gold-bright);
}

.footer-meta {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-faint);
  letter-spacing: 0.04em;
}

/* ——— Reveal ——— */
.reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.why-card.reveal:nth-child(1) { transition-delay: 0.05s; }
.why-card.reveal:nth-child(2) { transition-delay: 0.12s; }
.why-card.reveal:nth-child(3) { transition-delay: 0.18s; }
.why-card.reveal:nth-child(4) { transition-delay: 0.24s; }
.buyer.reveal:nth-child(1) { transition-delay: 0.05s; }
.buyer.reveal:nth-child(2) { transition-delay: 0.12s; }
.buyer.reveal:nth-child(3) { transition-delay: 0.18s; }
.buyer.reveal:nth-child(4) { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .why-card:nth-child(2),
  .why-card:nth-child(4) {
    transform: none;
  }
  .why-card:nth-child(2):hover,
  .why-card:nth-child(4):hover {
    transform: none;
  }
  .brand-mark,
  .glow,
  .spark-glyph,
  .fuse-spark,
  .orb-spark,
  .orb-ring--outer,
  .orb-ring--mid,
  .eyebrow-pip,
  .scroll-cue span { animation: none !important; }
  .btn--ember::after { display: none; }
  .spark-field { display: none; }
  .constellation { opacity: 0.35; }
}

/* ——— Responsive ——— */
@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-stage {
    order: -1;
    min-height: 220px;
  }
  .domain-orb { width: min(100%, 260px); }

  .section-split {
    grid-template-columns: 1fr;
  }

  .buyer-bento {
    grid-template-columns: 1fr 1fr;
  }
  .buyer--featured {
    grid-row: auto;
    grid-column: 1 / -1;
  }

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

  .inquiry-layout { grid-template-columns: 1fr; }

  .trust-strip { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .header-nav a:not(.header-cta) { display: none; }

  .why-rail { grid-template-columns: 1fr; }
  .why-card:nth-child(2),
  .why-card:nth-child(4) { transform: none; }
  .why-card:nth-child(2):hover,
  .why-card:nth-child(4):hover { transform: translateY(-4px); }

  .anatomy-stage {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .anatomy-fuse { flex-direction: row; }
  .fuse-line {
    width: 3rem;
    height: 1px;
    background: linear-gradient(to right, var(--cyan), transparent);
  }

  .buyer-bento { grid-template-columns: 1fr; }

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

  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
}

@media (max-width: 560px) {
  :root { --wrap: calc(100% - 1.75rem); }

  .trust-strip { grid-template-columns: 1fr; }
  .specs-grid { grid-template-columns: 1fr; }

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

  .ask-card {
    flex-wrap: wrap;
    width: 100%;
  }
}