/* =========================================================================
   SoTFN — Spectrum of True Friends Network
   Sovereign knowledge infrastructure. Refined, institutional, evidence-first.
   Warm paper, deep ink, a single disciplined spectral accent.
   ========================================================================= */

:root {
  /* Paper & ink — warm, archival, clean */
  --paper:        #f7f5ef;
  --paper-warm:   #f1eee5;
  --paper-sheet:  #fdfcf8;
  --paper-plate:  #ebe7dc;
  --ink:          #16171d;
  --ink-soft:     #34353f;
  --ink-muted:    #6a6b76;
  --ink-faint:    #9a9aa3;
  --hair:         rgba(22, 23, 29, 0.09);
  --hair-strong:  rgba(22, 23, 29, 0.16);

  /* Accent — deep indigo, the trust/data note */
  --accent:       #4b4e8c;
  --accent-deep:  #3a3c72;
  --accent-soft:  rgba(75, 78, 140, 0.10);
  --accent-line:  rgba(75, 78, 140, 0.32);

  /* Spectrum — desaturated, museum-toned. The brand signature, used sparingly. */
  --spectrum: linear-gradient(
    90deg,
    #5b6cab 0%,
    #4f8a93 26%,
    #6f9a6a 50%,
    #b08a52 74%,
    #a86a8a 100%
  );

  --serif:  'Fraunces', 'Cormorant Garamond', Georgia, serif;
  --sans:   'Inter', system-ui, -apple-system, sans-serif;
  --mono:   'IBM Plex Mono', ui-monospace, monospace;

  --maxw:   1140px;
  --pad:    clamp(1rem, 3vw, 2rem);
  --ease:   cubic-bezier(0.22, 0.61, 0.36, 1);
  --radius: 3px;
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Fine paper grain — barely there */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  opacity: 0.025;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

img { max-width: 100%; display: block; }
figure { margin: 0; }
a { color: inherit; text-decoration: none; }

::selection {
  background: rgba(75, 78, 140, 0.18);
  color: var(--ink);
}

.wrap {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 200;
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 1rem;
  font-size: 0.85rem;
  border-radius: var(--radius);
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* --------------------------------------------------------------------- */
/* Ambient — quiet, professional field (no cipher, restrained color)     */
/* --------------------------------------------------------------------- */
.ambient {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.22;
  animation: drift 34s var(--ease) infinite alternate;
}

.ambient-orb--a {
  width: 55vw;
  height: 55vw;
  max-width: 640px;
  max-height: 640px;
  top: -18%;
  right: -12%;
  background: radial-gradient(circle, rgba(75, 78, 140, 0.42), transparent 70%);
}

.ambient-orb--b {
  width: 45vw;
  height: 45vw;
  max-width: 500px;
  max-height: 500px;
  bottom: 4%;
  left: -14%;
  background: radial-gradient(circle, rgba(176, 138, 82, 0.30), transparent 70%);
  animation-delay: -10s;
  animation-duration: 40s;
}

.ambient-grid {
  position: absolute;
  inset: 0;
  opacity: 0.028;
  background-image:
    linear-gradient(var(--ink) 1px, transparent 1px),
    linear-gradient(90deg, var(--ink) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(ellipse 90% 65% at 50% 18%, black, transparent);
}

@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(-3%, 4%) scale(1.05); }
}

/* --------------------------------------------------------------------- */
/* Navigation                                                            */
/* --------------------------------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 245, 239, 0.90);
  backdrop-filter: blur(20px) saturate(1.1);
  -webkit-backdrop-filter: blur(20px) saturate(1.1);
  border-bottom: 1px solid var(--hair);
}

.nav::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--spectrum);
  opacity: 0.5;
}

.nav-registry {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding: 0.4rem var(--pad);
  font-family: var(--mono);
  font-size: 0.56rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-muted);
  border-bottom: 1px solid var(--hair);
}

.nav-registry__dot { opacity: 0.4; }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 60px;
  padding-block: 0.45rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
}

.brand-lockup {
  display: flex;
  flex-direction: column;
  line-height: 1;
  gap: 0.08em;
}

.brand-lockup__row {
  display: block;
  font-family: var(--serif);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}

.brand-lockup__spectrum {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.brand-lockup__mid {
  display: flex;
  align-items: baseline;
  gap: 0.32em;
  font-size: 0.82rem;
  font-weight: 600;
}

.brand-lockup__of {
  font-size: 0.6em;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--ink-muted);
  font-family: var(--mono);
}

.brand-lockup__true {
  font-size: 1.05em;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--accent);
}

.brand-lockup__friends {
  font-weight: 600;
  color: var(--ink);
}

.brand-lockup__network {
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--ink-soft);
}

.mark {
  display: block;
  object-fit: contain;
  flex-shrink: 0;
}

.mark--nav {
  width: 46px;
  height: 46px;
  filter: drop-shadow(0 2px 5px rgba(22, 23, 29, 0.12));
}

.mark--cta { width: 148px; height: auto; opacity: 0.94; }
.mark--foot { width: 34px; height: 34px; opacity: 0.85; }

.nav-end {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink-soft);
}

.nav-links a {
  position: relative;
  padding-block: 0.2rem;
  transition: color 0.2s;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -2px;
  height: 1.5px;
  background: var(--accent);
  transition: right 0.25s var(--ease);
}

.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { right: 0; }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--ink); color: var(--paper); }

/* --------------------------------------------------------------------- */
/* Hero                                                                  */
/* --------------------------------------------------------------------- */
.hero {
  display: grid;
  grid-template-columns: 1.1fr min(42vw, 420px);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
  padding-block: clamp(2.25rem, 6vw, 4.5rem);
}

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1.1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}

.hero-eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--spectrum);
  display: inline-block;
}

.hero-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.4rem, 5.6vw, 4.1rem);
  line-height: 1.02;
  letter-spacing: -0.022em;
  margin: 0 0 1.25rem;
  max-width: 16ch;
}

.hero-title__accent {
  display: block;
  font-style: italic;
  font-weight: 400;
  color: var(--accent-deep);
}

.hero-lede {
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.62;
  color: var(--ink-soft);
  max-width: 52ch;
  margin: 0 0 1.6rem;
}

.hero-prompt {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  line-height: 1.3;
  margin: 0 0 1.85rem;
  padding: 0.95rem 1.15rem;
  border: 1px solid var(--hair-strong);
  border-left: 2px solid var(--accent);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.5);
  max-width: 30rem;
}

.hero-prompt__prefix {
  display: block;
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.4rem;
}

.hero-cycle-slot {
  display: block;
  min-height: calc(2 * 1.3 * 1em);
  line-height: 1.3;
  max-width: 100%;
}

.hero-cycle-word {
  display: inline;
  font-style: italic;
  font-weight: 600;
  color: var(--accent-deep);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
  hyphens: auto;
  overflow-wrap: break-word;
}

.hero-cycle-word.is-out {
  opacity: 0;
  transform: translateY(8px);
}

.hero-cycle-dot { color: var(--accent); }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--sans);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.7rem 1.3rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: transform 0.2s var(--ease), box-shadow 0.2s, background 0.2s, color 0.2s, border-color 0.2s;
  cursor: pointer;
}

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

.btn--primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.btn--primary:hover {
  box-shadow: 0 10px 30px rgba(20, 20, 24, 0.20), 0 0 0 1px var(--accent-line);
}

.btn--ghost {
  background: transparent;
  border-color: var(--hair-strong);
  color: var(--ink);
}
.btn--ghost:hover {
  border-color: var(--ink);
  background: rgba(255, 255, 255, 0.6);
}

.btn--compact {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.01em;
  padding: 0.6rem 0.95rem;
  white-space: nowrap;
}

/* --------------------------------------------------------------------- */
/* Hero visual — high-fidelity dossier record card                       */
/* --------------------------------------------------------------------- */
.hero-visual {
  position: relative;
  margin: 0;
  width: 100%;
  max-width: 400px;
  justify-self: end;
}

.dossier {
  position: relative;
  width: 100%;
}

.dossier__back {
  position: absolute;
  inset: 0;
  transform: translate(14px, 16px) rotate(1.4deg);
  background: var(--paper-plate);
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(22, 23, 29, 0.05);
}

.dossier__sheet {
  position: relative;
  background: var(--paper-sheet);
  border: 1px solid var(--hair-strong);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 2.4vw, 1.65rem);
  box-shadow:
    0 1px 2px rgba(22, 23, 29, 0.04),
    0 18px 48px rgba(22, 23, 29, 0.12);
}

.dossier__sheet::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  padding: 1px 1px 0;
  background: linear-gradient(180deg, var(--accent-line), transparent 30%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.dossier__head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.7rem;
}

.dossier__seal {
  width: 38px;
  height: 38px;
  opacity: 0.92;
}

.dossier__ident { min-width: 0; }

.dossier__org {
  margin: 0;
  font-family: var(--serif);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
  line-height: 1.2;
}

.dossier__series {
  margin: 0.15rem 0 0;
  font-family: var(--mono);
  font-size: 0.54rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.dossier__accession {
  margin: 0;
  text-align: right;
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  line-height: 1.45;
}

.dossier__rule {
  height: 1px;
  background: var(--hair);
  margin: 0.95rem 0 0.85rem;
}

.dossier__kicker {
  margin: 0 0 0.3rem;
  font-family: var(--mono);
  font-size: 0.54rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.dossier__title {
  margin: 0 0 0.25rem;
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2.4vw, 1.55rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.dossier__sub {
  margin: 0 0 1rem;
  font-size: 0.78rem;
  color: var(--ink-muted);
  font-style: italic;
  font-family: var(--serif);
}

.dossier__meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin: 0 0 1.1rem;
  padding: 0.7rem 0;
  border-block: 1px solid var(--hair);
}

.dossier__meta div { min-width: 0; }

.dossier__meta dt {
  font-family: var(--mono);
  font-size: 0.5rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.2rem;
}

.dossier__meta dd {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.dossier__lines {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.15rem;
}

.dossier__lines span {
  display: block;
  height: 3px;
  border-radius: 2px;
  background: var(--hair);
}
.dossier__lines span:nth-child(1) { width: 100%; }
.dossier__lines span:nth-child(2) { width: 94%; }
.dossier__lines span:nth-child(3) { width: 97%; }
.dossier__lines span:nth-child(4) { width: 80%; }
.dossier__lines span:nth-child(5) { width: 58%; }

.dossier__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--hair);
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
}

.dossier__verified {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--accent);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* --------------------------------------------------------------------- */
/* Signal strip                                                          */
/* --------------------------------------------------------------------- */
.signal {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  padding-block: 1rem;
  border-block: 1px solid var(--hair);
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  position: relative;
}

.signal::before {
  content: "";
  position: absolute;
  inset-inline: var(--pad);
  top: -1px;
  height: 2px;
  background: var(--spectrum);
  opacity: 0.4;
}

.signal-item {
  flex: 1 1 140px;
  padding: 0.35rem 0.85rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.2rem;
}

.signal-label {
  font-family: var(--mono);
  font-size: 0.54rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.signal-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.25;
}

.signal-divider {
  width: 1px;
  align-self: stretch;
  min-height: 2.25rem;
  background: var(--hair);
  flex-shrink: 0;
}

/* --------------------------------------------------------------------- */
/* Sections                                                              */
/* --------------------------------------------------------------------- */
.section {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.section--plate {
  background: var(--paper-warm);
  border-block: 1px solid var(--hair);
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.7rem;
}

.section-kicker::before {
  content: "";
  width: 20px;
  height: 1.5px;
  background: var(--accent);
  opacity: 0.55;
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(1.65rem, 3.2vw, 2.5rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.022em;
  margin: 0;
  max-width: 22ch;
}

.section-title--sm {
  font-size: clamp(1.4rem, 2.6vw, 1.95rem);
}

.section-dek {
  font-size: 1rem;
  color: var(--ink-muted);
  margin: 0.65rem 0 0;
  max-width: 52ch;
}

.section-head {
  margin-bottom: clamp(1.5rem, 3.5vw, 2.5rem);
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.section-body {
  font-family: var(--serif);
  font-size: 1.12rem;
  line-height: 1.66;
  color: var(--ink-soft);
}

.section-body p { margin: 0 0 1rem; }
.section-body p:last-child { margin-bottom: 0; }

/* Audience cards */
.audience {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 2.5vw, 1.5rem);
}

.audience-card {
  background: var(--paper-sheet);
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 2.5vw, 1.65rem);
  position: relative;
  transition: transform 0.25s var(--ease), box-shadow 0.25s, border-color 0.25s;
}

.audience-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  height: 2px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--spectrum);
  opacity: 0;
  transition: opacity 0.25s;
}

.audience-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(22, 23, 29, 0.09);
  border-color: var(--hair-strong);
}
.audience-card:hover::before { opacity: 0.8; }

.audience-title {
  font-family: var(--serif);
  font-size: 1.18rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.55rem;
}

.audience-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

/* Steps */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.step {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: clamp(0.85rem, 2vw, 1.75rem);
  padding: clamp(1.2rem, 2.8vw, 1.7rem) 0;
  border-bottom: 1px solid var(--hair);
  align-items: start;
  transition: background 0.3s;
  margin-inline: calc(var(--pad) * -1);
  padding-inline: var(--pad);
}

.step:hover { background: rgba(255, 255, 255, 0.5); }
.step:first-child { border-top: 1px solid var(--hair); }

.step-num {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding-top: 0.4rem;
  color: var(--accent);
}

.step-title {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.45rem;
}

.step-body p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.65;
  max-width: 64ch;
}

/* Pillars */
.pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  overflow: hidden;
}

.pillar {
  background: var(--paper);
  padding: clamp(1.25rem, 2.6vw, 1.7rem);
  transition: background 0.3s;
  position: relative;
}

.pillar:hover { background: rgba(255, 255, 255, 0.8); }

.pillar-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  margin-bottom: 0.85rem;
  border: 1px solid var(--accent-line);
  border-radius: var(--radius);
  color: var(--accent);
  background: var(--accent-soft);
}

.pillar-title {
  font-family: var(--serif);
  font-size: 1.12rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}

.pillar p {
  margin: 0;
  font-size: 0.93rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

/* Collection feature */
.collection {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  align-items: stretch;
  border: 1px solid var(--hair-strong);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper-sheet);
  transition: transform 0.3s var(--ease), box-shadow 0.3s;
}

.collection:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 50px rgba(22, 23, 29, 0.12);
}

.collection-body {
  padding: clamp(1.5rem, 3.5vw, 2.5rem);
}

.collection-eyebrow {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.6rem;
}

.collection-name {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 2.85rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 0.6rem;
  line-height: 1;
}

.collection-tag {
  margin: 0 0 1.5rem;
  font-size: 1rem;
  color: var(--ink-soft);
  line-height: 1.55;
  max-width: 42ch;
}

.collection-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.75rem;
  margin-bottom: 1.5rem;
}

.collection-stat {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.collection-stat__num {
  font-family: var(--serif);
  font-size: 1.85rem;
  font-weight: 600;
  line-height: 1;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.collection-stat__label {
  font-family: var(--mono);
  font-size: 0.54rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.collection-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-deep);
}

.collection-link svg { transition: transform 0.25s var(--ease); }
.collection:hover .collection-link svg { transform: translateX(4px); }

.collection-plate {
  position: relative;
  background:
    linear-gradient(135deg, #1a1b22, #2a2b38);
  display: grid;
  place-items: center;
  overflow: hidden;
}

.collection-plate::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.5;
  background:
    radial-gradient(ellipse 60% 50% at 30% 30%, rgba(75, 78, 140, 0.4), transparent 70%),
    radial-gradient(ellipse 50% 50% at 80% 80%, rgba(176, 138, 82, 0.25), transparent 70%);
}

.collection-plate__mark {
  position: relative;
  font-family: var(--serif);
  font-size: clamp(1.1rem, 2.4vw, 1.6rem);
  font-weight: 600;
  letter-spacing: 0.4em;
  text-indent: 0.4em;
  color: rgba(247, 245, 239, 0.92);
  writing-mode: vertical-rl;
  text-orientation: upright;
}

/* CTA panel */
.section--cta { padding-block: clamp(2rem, 4.5vw, 3rem); }

.cta-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: clamp(1.25rem, 3vw, 2rem);
  align-items: center;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background: var(--paper-warm);
  border: 1px solid var(--hair-strong);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.cta-panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--spectrum);
  opacity: 0.7;
}

.cta-main { position: relative; z-index: 1; min-width: 0; }
.cta-head { margin-bottom: 0.65rem; }
.cta-head .section-kicker { margin-bottom: 0.35rem; }

.cta-lede {
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 58ch;
  margin: 0 0 1rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
}

.cta-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
}
.cta-badges img { height: 20px; width: auto; display: block; }

.cta-mark {
  margin: 0;
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------- */
/* Footer                                                                */
/* --------------------------------------------------------------------- */
.foot {
  border-top: 1px solid var(--hair);
  background: var(--paper-warm);
}

.foot-main {
  display: grid;
  grid-template-columns: 1.3fr 2fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding-block: clamp(2rem, 4vw, 3rem);
}

.foot-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.85rem;
}

.foot-brand__name {
  font-family: var(--serif);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.foot-mission {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--ink-muted);
  max-width: 32ch;
}

.foot-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.foot-col {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.foot-col__head {
  font-family: var(--mono);
  font-size: 0.56rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.15rem;
}

.foot-col a {
  font-size: 0.88rem;
  color: var(--ink-soft);
  transition: color 0.2s;
}
.foot-col a:hover { color: var(--accent); }

.foot-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-block: 1rem;
  border-top: 1px solid var(--hair);
}

.foot-copy,
.foot-colophon {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* --------------------------------------------------------------------- */
/* Reveal on scroll                                                      */
/* --------------------------------------------------------------------- */
.reveal { opacity: 1; transform: none; }

.js .reveal:not(.in) {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

/* --------------------------------------------------------------------- */
/* Responsive                                                            */
/* --------------------------------------------------------------------- */
@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
    max-width: 360px;
    margin-inline: auto;
    justify-self: center;
    width: 100%;
  }

  .nav-links { display: none; }

  .nav-registry > span:last-child,
  .nav-registry > span:nth-last-child(2) { display: none; }

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

  .collection { grid-template-columns: 1fr; }
  .collection-plate {
    min-height: 120px;
    order: -1;
  }
  .collection-plate__mark {
    writing-mode: horizontal-tb;
    letter-spacing: 0.5em;
  }

  .cta-panel { grid-template-columns: 1fr; }
  .cta-mark { display: none; }

  .foot-main { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav-registry { font-size: 0.5rem; letter-spacing: 0.14em; }
  .brand-lockup__mid { font-size: 0.74rem; }
  .brand-lockup__spectrum { font-size: 0.6rem; }
  .brand-lockup__network { font-size: 0.56rem; }

  .foot-cols { grid-template-columns: 1fr 1fr; gap: 1.25rem; }
  .collection-stats { gap: 1.25rem; }
}

@media (max-width: 560px) {
  .signal-divider { display: none; }
  .signal-item { flex: 1 1 45%; }
}

@media (prefers-reduced-motion: reduce) {
  .ambient-orb,
  .hero-cycle-word,
  .hero-cycle-dot,
  .js .reveal:not(.in) {
    animation: none !important;
    transition: none !important;
  }

  .reveal,
  .js .reveal:not(.in),
  .js .reveal.in {
    opacity: 1;
    transform: none;
  }
}