/* ─────────────────────────────────────────────────────────────
   VENTORI — Coming Soon
   Brand palette: Silo (#23484D), Aure (#A4C6C0), Plinth (#C6D6D7)
   Typography: Geist (display), Public Sans (body)
───────────────────────────────────────────────────────────── */

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Brand primitives */
  --silo:       #23484D;
  --silo-t1:    #356870;
  --silo-t2:    #478390;
  --aure:       #A4C6C0;
  --aure-t1:    #C4D9D6;
  --aure-t2:    #E3EDEC;
  --plinth:     #C6D6D7;
  --plinth-t1:  #E3EAEB;
  --plinth-t2:  #F9FAFB;
  --strata:     #141F1F;
  --strata-t1:  #283F3F;
  --strata-t2:  #3C5B5D;
  --vero:       #D58148;
  --success:    #3D8A6E;

  /* Dark surface palette for this page */
  --bg-base:    #080e0e;
  --bg-surface: #0d1717;
  --bg-card:    rgba(255,255,255,0.03);
  --bg-card-hover: rgba(255,255,255,0.055);

  /* Text */
  --text-primary:   #f0f5f5;
  --text-secondary: rgba(164,198,192,0.85);
  --text-tertiary:  rgba(164,198,192,0.65);

  /* Borders */
  --border-subtle: rgba(164,198,192,0.10);
  --border-default: rgba(164,198,192,0.18);
  --border-accent:  rgba(164,198,192,0.35);

  /* Glow */
  --glow-aure:  rgba(164,198,192,0.12);
  --glow-silo:  rgba(35,72,77,0.6);

  /* Typography */
  --font-display: 'Geist', 'SF Pro Display', system-ui, sans-serif;
  --font-body:    'Public Sans', system-ui, sans-serif;

  /* Animation */
  --ease-default: cubic-bezier(0.2, 0, 0, 1);
  --ease-spring:  cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out:     cubic-bezier(0, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── Mouse Glow Follower ── */
.mouse-glow {
  position: fixed;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(71,131,144,0.07) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
  will-change: transform;
}

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 40px;
  height: 64px;
  display: flex;
  align-items: center;
  transition: background 0.4s var(--ease-out), border-color 0.4s var(--ease-out);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(8, 14, 14, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border-subtle);
}

.nav-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.nav-logo-img {
  height: 36px;
  width: auto;
  /* SVG is #F9FAFB fill — use brightness filter for dimmer nav state */
  filter: brightness(0.85);
  transition: filter 0.2s;
}

.nav-logo-img:hover {
  filter: brightness(1);
}

.btn-nav {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--aure);
  text-decoration: none;
  padding: 8px 18px;
  border: 1px solid var(--border-accent);
  border-radius: 6px;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.btn-nav:hover {
  background: rgba(164,198,192,0.08);
  border-color: var(--aure);
  color: var(--text-primary);
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--bg-base);
}

/* ── Hero Video ── */
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 0.45;
}

#particle-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(180deg, rgba(8,14,14,0.78) 0%, rgba(8,14,14,0.45) 45%, rgba(8,14,14,0.62) 100%),
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(35,72,77,0.30) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(71,131,144,0.10) 0%, transparent 60%);
}

.hero-grid-lines {
  position: absolute;
  inset: 0;
  z-index: 2;
  background-image:
    linear-gradient(rgba(164,198,192,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(164,198,192,0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 30%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 0 24px;
  max-width: 860px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid var(--border-accent);
  background: rgba(164,198,192,0.05);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--aure);
  margin-bottom: 36px;
  backdrop-filter: blur(8px);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--aure);
  box-shadow: 0 0 8px var(--aure);
  animation: pulse-dot 2s ease-in-out infinite;
}

.badge-dot.pulse {
  animation: pulse-dot 1.5s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--aure); }
  50% { opacity: 0.5; box-shadow: 0 0 16px var(--aure), 0 0 32px rgba(164,198,192,0.3); }
}

.hero-logo {
  margin: 0 0 28px;
  line-height: 0;
}

.hero-logo-img {
  width: clamp(240px, 42vw, 560px);
  height: auto;
  filter: drop-shadow(0 0 60px rgba(164,198,192,0.18));
}

.hero-tagline {
  font-family: var(--font-display);
  font-size: clamp(22px, 3.5vw, 42px);
  font-weight: 300;
  line-height: 1.2;
  color: #e8f2f1;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
  text-shadow: 0 2px 16px rgba(0,0,0,0.9), 0 0 40px rgba(0,0,0,0.6);
}

.gradient-text {
  background: linear-gradient(135deg, var(--aure-t1) 0%, var(--aure) 40%, var(--silo-t2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-family: var(--font-body);
  font-size: clamp(14px, 1.5vw, 17px);
  line-height: 1.7;
  color: rgba(164,198,192,0.72);
  margin-bottom: 44px;
  text-shadow: 0 1px 12px rgba(0,0,0,0.95), 0 0 32px rgba(0,0,0,0.7);
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  background: var(--silo);
  color: var(--plinth-t2);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-decoration: none;
  border: 1px solid var(--silo-t1);
  cursor: pointer;
  transition: background 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out), transform 0.15s var(--ease-spring);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(164,198,192,0.08) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.2s;
}

.btn-primary:hover {
  background: var(--silo-t1);
  box-shadow: 0 0 32px rgba(35,72,77,0.6), 0 4px 20px rgba(35,72,77,0.4);
  transform: translateY(-1px);
}

.btn-primary:hover::before { opacity: 1; }
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.03em;
  text-decoration: none;
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.btn-ghost:hover {
  color: var(--text-primary);
  border-color: var(--border-accent);
  background: var(--bg-card);
}

/* ── Hero Stats ── */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 36px;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--aure);
  letter-spacing: 0.02em;
}

.stat-label {
  font-family: var(--font-body);
  font-size: 11px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 32px;
  background: var(--border-subtle);
}

/* ── Scroll Indicator ── */
.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-tertiary);
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  animation: float-up-down 2.5s ease-in-out infinite;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--aure), transparent);
  animation: scroll-line-pulse 2s ease-in-out infinite;
}

@keyframes scroll-line-pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

@keyframes float-up-down {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ── Sections ── */
.section {
  position: relative;
  padding: 120px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-ambient-label {
  position: absolute;
  top: 120px;
  left: 40px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--text-tertiary);
  text-transform: uppercase;
  display: none;
}

.section-overline {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--silo-t2);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.section-body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 520px;
}

.section-header.centered {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 72px;
}

.section-header.centered .section-body {
  text-align: center;
}

/* ── Network Section ── */
.network-section {
  max-width: 100%;
  padding: 120px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 0;
  overflow: hidden;
  background: radial-gradient(ellipse 60% 80% at 20% 50%, rgba(35,72,77,0.18) 0%, transparent 70%);
}

.network-canvas-wrapper {
  width: 100%;
  max-width: 560px;
  aspect-ratio: 16/9;
  position: relative;
  background: radial-gradient(ellipse 70% 70% at 50% 50%, rgba(35,72,77,0.22) 0%, transparent 75%);
  border-radius: 16px;
}

.network-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.network-content {
  padding: 0 80px 0 60px;
}

.network-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}

.tag {
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid var(--border-default);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  background: var(--bg-card);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.tag:hover {
  border-color: var(--border-accent);
  color: var(--aure);
  background: rgba(164,198,192,0.05);
}

/* ── Features Grid ── */
.features-section {
  padding-top: 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-card {
  position: relative;
  padding: 32px 28px 36px;
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  overflow: hidden;
  transition: border-color 0.3s var(--ease-out), background 0.3s var(--ease-out), transform 0.3s var(--ease-spring), box-shadow 0.3s var(--ease-out);
  cursor: default;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(164,198,192,0.04) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}

.feature-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  transform: translateY(-6px) rotateX(2deg);
  box-shadow: 0 24px 48px rgba(0,0,0,0.3), 0 0 40px var(--glow-aure), inset 0 1px 0 rgba(164,198,192,0.1);
}

.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  background: rgba(35,72,77,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--aure);
  margin-bottom: 20px;
  transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
}

.feature-card:hover .feature-icon {
  border-color: var(--silo-t2);
  background: rgba(35,72,77,0.7);
  box-shadow: 0 0 20px rgba(71,131,144,0.3);
}

.feature-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.feature-body {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-tertiary);
}

.feature-accent {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--silo-t2), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.feature-card:hover .feature-accent { opacity: 1; }

/* ── Timeline ── */
.timeline-section {
  padding-bottom: 160px;
}

.timeline-track {
  position: relative;
  padding: 60px 0 20px;
}

.timeline-progress-bar {
  position: absolute;
  top: 60px;
  left: calc(12.5% + 20px);
  right: calc(12.5% + 20px);
  height: 2px;
  background: var(--border-subtle);
  border-radius: 1px;
  transform: translateY(20px);
}

.timeline-progress-fill {
  height: 100%;
  width: 38%;
  background: linear-gradient(90deg, var(--silo), var(--silo-t2), var(--aure));
  border-radius: 1px;
  position: relative;
  box-shadow: 0 0 12px rgba(71,131,144,0.6);
  animation: progress-glow 2.5s ease-in-out infinite;
}

.timeline-progress-fill::after {
  content: '';
  position: absolute;
  right: -1px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--aure);
  box-shadow: 0 0 12px var(--aure), 0 0 24px rgba(164,198,192,0.4);
  animation: pulse-dot 1.5s ease-in-out infinite;
}

@keyframes progress-glow {
  0%, 100% { box-shadow: 0 0 12px rgba(71,131,144,0.6); }
  50% { box-shadow: 0 0 20px rgba(71,131,144,0.9), 0 0 40px rgba(164,198,192,0.2); }
}

.timeline-nodes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.timeline-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.node-circle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.timeline-node.completed .node-circle {
  background: var(--silo);
  border: 2px solid var(--silo-t2);
  box-shadow: 0 0 16px rgba(35,72,77,0.5);
}

.timeline-node.active .node-circle {
  background: var(--bg-surface);
  border: 2px solid var(--aure);
  box-shadow: 0 0 24px rgba(164,198,192,0.4);
}

.timeline-node.upcoming .node-circle {
  background: var(--bg-card);
  border: 2px solid var(--border-subtle);
}

.node-pulse {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1.5px solid var(--aure);
  opacity: 0;
  animation: node-pulse-ring 2s ease-out infinite;
}

@keyframes node-pulse-ring {
  0% { opacity: 0.8; transform: scale(0.9); }
  100% { opacity: 0; transform: scale(1.6); }
}

.node-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--aure);
  box-shadow: 0 0 12px var(--aure);
  animation: pulse-dot 1.5s ease-in-out infinite;
}

.node-dot-dim {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-subtle);
}

.node-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-align: center;
}

.node-stage {
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--text-tertiary);
  text-transform: uppercase;
}

.node-label {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
}

.timeline-node.upcoming .node-label {
  color: var(--text-tertiary);
}

.node-status {
  font-family: var(--font-body);
  font-size: 11px;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
}

.node-status.current {
  color: var(--aure);
  font-weight: 500;
}

/* ── Waitlist Section ── */
.waitlist-section {
  max-width: 100%;
  padding: 0 40px 160px;
  position: relative;
}

.waitlist-bg-glow {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 500px;
  background: radial-gradient(ellipse 60% 60% at 50% 50%, rgba(35,72,77,0.2) 0%, transparent 70%);
  pointer-events: none;
}

.waitlist-card {
  max-width: 600px;
  margin: 0 auto;
  padding: 60px 56px;
  border-radius: 24px;
  border: 1px solid var(--border-default);
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0,0,0,0.3), inset 0 1px 0 rgba(164,198,192,0.08);
}

.waitlist-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--silo-t2), transparent);
}

.waitlist-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border-radius: 100px;
  border: 1px solid rgba(164,198,192,0.25);
  background: rgba(164,198,192,0.06);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--aure);
  margin-bottom: 28px;
}

.waitlist-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.waitlist-body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

.waitlist-form { width: 100%; }

.form-row {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
}

.input-wrapper {
  flex: 1;
  position: relative;
}

.input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
  transition: color 0.2s;
}

.form-input {
  width: 100%;
  height: 48px;
  padding: 0 14px 0 40px;
  border-radius: 8px;
  border: 1px solid var(--border-default);
  background: rgba(255,255,255,0.04);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.form-input::placeholder { color: var(--text-tertiary); }

.form-input:focus {
  border-color: var(--silo-t2);
  background: rgba(255,255,255,0.06);
  box-shadow: 0 0 0 3px rgba(71,131,144,0.2);
}

.form-input:focus + .input-icon,
.input-wrapper:has(.form-input:focus) .input-icon {
  color: var(--silo-t2);
}

.btn-submit {
  flex-shrink: 0;
  height: 48px;
  padding: 0 24px;
  border: none;
  font-size: 14px;
}

.btn-spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.btn-submit.loading .btn-text { display: none; }
.btn-submit.loading .btn-spinner { display: block; }

@keyframes spin { to { transform: rotate(360deg); } }

.form-note {
  font-size: 12px;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
  margin-bottom: 20px;
}

/* ── Captcha ── */
.captcha-row {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
  margin-bottom: 24px;
}

.captcha-label {
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.captcha-question {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--border-default);
  background: rgba(35,72,77,0.2);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--aure);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.captcha-equals {
  font-size: 14px;
  color: var(--text-tertiary);
}

.captcha-input {
  width: 72px;
  height: 40px;
  padding: 0 12px;
  border-radius: 8px;
  border: 1px solid var(--border-default);
  background: rgba(255,255,255,0.04);
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  text-align: center;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.captcha-input:focus {
  border-color: var(--silo-t2);
  box-shadow: 0 0 0 3px rgba(71,131,144,0.2);
}

.captcha-input.error {
  border-color: #C14E44;
  box-shadow: 0 0 0 3px rgba(193,78,68,0.2);
}

.captcha-error {
  display: none;
  font-size: 12px;
  color: #C14E44;
  margin-top: -16px;
  margin-bottom: 16px;
  text-align: center;
}

.captcha-error.visible { display: block; }

/* ── Waitlist Success ── */
.waitlist-success {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 32px 0 20px;
  animation: fade-in-up 0.5s var(--ease-out) both;
}

.waitlist-success.visible { display: flex; }

.success-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(61,138,110,0.12);
  border: 1px solid rgba(61,138,110,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}

.waitlist-success h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  color: var(--text-primary);
}

.waitlist-success p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ── Social Proof ── */
.waitlist-social-proof {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 8px;
}

.avatars {
  display: flex;
}

.avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--bg-surface);
  margin-left: -6px;
  background-size: cover;
}

.avatar:first-child { margin-left: 0; }

.av1 { background: linear-gradient(135deg, var(--silo), var(--silo-t2)); }
.av2 { background: linear-gradient(135deg, var(--strata-t2), var(--silo-t2)); }
.av3 { background: linear-gradient(135deg, var(--silo-t2), var(--aure)); }
.av4 { background: linear-gradient(135deg, var(--aure), var(--plinth)); }

.social-text {
  font-size: 12px;
  color: var(--text-tertiary);
}

.social-text strong {
  color: var(--text-secondary);
  font-weight: 500;
}

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 0 40px;
  position: relative;
}

.footer-glow-line {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--silo-t2), transparent);
  animation: footer-glow-sweep 4s ease-in-out infinite;
}

@keyframes footer-glow-sweep {
  0%, 100% { opacity: 0.4; width: 400px; }
  50% { opacity: 1; width: 700px; }
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 48px 0 32px;
  gap: 40px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-logo-img {
  height: 28px;
  width: auto;
  filter: brightness(0.5);
}

.footer-mission {
  font-size: 13px;
  color: var(--text-tertiary);
  max-width: 260px;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 32px;
  align-items: center;
  padding-top: 6px;
}

.footer-link {
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--text-tertiary);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}

.footer-link:hover { color: var(--aure); }

.footer-base {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-subtle);
  gap: 20px;
}

.footer-copy {
  font-size: 12px;
  color: var(--text-tertiary);
}

.footer-tagline {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--strata-t2);
  font-style: italic;
}

/* ── Scroll Reveal Animations ── */
.reveal-fade {
  animation: fade-in 0.8s var(--ease-out) both;
}

.reveal-up {
  animation: fade-in-up 0.9s var(--ease-out) both;
}

.scroll-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.scroll-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Animation Delays ── */
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }
.delay-5 { animation-delay: 1.0s; }

/* Staggered scroll reveals */
.scroll-reveal:nth-child(2) { transition-delay: 0.1s; }
.scroll-reveal:nth-child(3) { transition-delay: 0.2s; }
.scroll-reveal:nth-child(4) { transition-delay: 0.3s; }

.feature-card[data-delay="0"] { transition-delay: 0.05s; }
.feature-card[data-delay="1"] { transition-delay: 0.15s; }
.feature-card[data-delay="2"] { transition-delay: 0.25s; }
.feature-card[data-delay="3"] { transition-delay: 0.35s; }

/* ── Utility ── */
.desktop-only { display: inline; }

/* ── Responsive ── */
@media (max-width: 1100px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .network-section { grid-template-columns: 1fr; }
  .network-canvas-wrapper { max-width: 100%; }
  .network-content { padding: 48px 40px 0; }
}

@media (max-width: 768px) {
  .nav { padding: 0 20px; }
  .section { padding: 80px 20px; }
  .section-ambient-label { left: 20px; }
  .features-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 0; }
  .stat-item { padding: 0 20px; }
  .timeline-progress-bar { display: none; }
  .timeline-nodes { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .waitlist-section { padding: 0 20px 100px; }
  .waitlist-card { padding: 40px 24px; }
  .form-row { flex-direction: column; }
  .btn-submit { width: 100%; justify-content: center; }
  .footer { padding: 0 20px; }
  .footer-inner { flex-direction: column; gap: 24px; }
  .footer-links { flex-wrap: wrap; gap: 20px; }
  .footer-base { flex-direction: column; text-align: center; }
  .desktop-only { display: none; }
  .network-section { padding: 80px 20px; }
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .scroll-reveal { opacity: 1; transform: none; }
  .reveal-fade, .reveal-up { opacity: 1; }
  #particle-canvas { display: none; }
}