/* ============================================================
   MESH — Landing Page Stylesheet
   All theme tokens live in :root — change them here to retheme.
   ============================================================ */

/* ──────────────────────────────────────────────────────────
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ────────────────────────────────────────────────────────── */
:root {
  /* ── Background scale ── */
  --color-bg-base:        #050709;   /* near-black base */
  --color-bg-surface:     #0d1117;   /* card / section bg */
  --color-bg-elevated:    #161b22;   /* hover / lifted surface */
  --color-bg-border:      #21262d;   /* subtle borders */

  /* ── Neon accent palette ── */
  --color-accent-blue:    #00c3ff;   /* electric blue — primary CTA */
  --color-accent-purple:  #a855f7;   /* cyber-purple — secondary */
  --color-accent-cyan:    #06ffd4;   /* mint/teal highlight */
  --color-accent-glow:    rgba(0, 195, 255, 0.18); /* glow spread */

  /* ── Text scale ── */
  --color-text-primary:   #e6edf3;   /* high-contrast body */
  --color-text-secondary: #8b949e;   /* muted / captions */
  --color-text-tertiary:  #484f58;   /* very muted */

  /* ── Gradients ── */
  --gradient-hero:        linear-gradient(135deg, #0d1117 0%, #050709 60%, #0a0514 100%);
  --gradient-card-border: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-purple));
  --gradient-text-brand:  linear-gradient(90deg, var(--color-accent-blue), var(--color-accent-purple));
  --gradient-glow-blue:   radial-gradient(ellipse 60% 40% at 50% 0%, rgba(0,195,255,.12) 0%, transparent 70%);
  --gradient-glow-purple: radial-gradient(ellipse 60% 40% at 50% 100%, rgba(168,85,247,.10) 0%, transparent 70%);

  /* ── Typography ── */
  --font-display: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;

  --weight-normal:    400;
  --weight-medium:    500;
  --weight-semibold:  600;
  --weight-bold:      700;
  --weight-extrabold: 800;

  --leading-tight:  1.15;
  --leading-normal: 1.6;

  /* ── Spacing ── */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* ── Layout ── */
  --max-width-content: 1200px;
  --max-width-narrow:  780px;

  /* ── Borders & Radius ── */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;
  --radius-full: 9999px;
  --border-width: 1px;

  /* ── Shadows & Glows ── */
  --shadow-card:       0 4px 24px rgba(0,0,0,.5);
  --shadow-glow-blue:  0 0 40px rgba(0,195,255,.25), 0 0 80px rgba(0,195,255,.10);
  --shadow-glow-purple:0 0 40px rgba(168,85,247,.25), 0 0 80px rgba(168,85,247,.10);

  /* ── Transitions ── */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast:   150ms;
  --duration-normal: 300ms;
  --duration-slow:   600ms;

  /* ── Z-index scale ── */
  --z-nav: 100;
  --z-modal: 200;
}

/* ──────────────────────────────────────────────────────────
   2. RESET & BASE
   ────────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--color-bg-base);
  color: var(--color-text-primary);
  font-family: var(--font-display);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

/* ──────────────────────────────────────────────────────────
   3. UTILITY CLASSES
   ────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width-content);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container--narrow {
  max-width: var(--max-width-narrow);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.gradient-text {
  background: var(--gradient-text-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid;
}

.tag--blue {
  color: var(--color-accent-blue);
  border-color: rgba(0,195,255,.3);
  background: rgba(0,195,255,.06);
}

.tag--purple {
  color: var(--color-accent-purple);
  border-color: rgba(168,85,247,.3);
  background: rgba(168,85,247,.06);
}

.tag--cyan {
  color: var(--color-accent-cyan);
  border-color: rgba(6,255,212,.3);
  background: rgba(6,255,212,.06);
}

.section-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-blue);
}

.section-title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: var(--weight-extrabold);
  line-height: var(--leading-tight);
  margin-top: var(--space-4);
  margin-bottom: var(--space-6);
}

.section-desc {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  max-width: 58ch;
}

/* ──────────────────────────────────────────────────────────
   4. ANIMATED BACKGROUND GRID
   ────────────────────────────────────────────────────────── */
.grid-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(0,195,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,195,255,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 20%, black 30%, transparent 100%);
}

/* ──────────────────────────────────────────────────────────
   5. NAVIGATION
   ────────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-8);
  background: rgba(5,7,9,.75);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--color-bg-border);
  transition: background var(--duration-normal) var(--ease-out);
}

.nav.scrolled {
  background: rgba(5,7,9,.92);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: var(--weight-bold);
  font-size: var(--text-xl);
  letter-spacing: -0.02em;
}

.nav__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--gradient-card-border);
  display: grid;
  place-items: center;
  font-size: var(--text-sm);
  font-weight: var(--weight-extrabold);
  color: #fff;
  box-shadow: var(--shadow-glow-blue);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__links a {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  transition: color var(--duration-fast);
}

.nav__links a:hover {
  color: var(--color-text-primary);
}

.nav__cta {
  display: flex;
  gap: var(--space-3);
}

/* ──────────────────────────────────────────────────────────
   6. BUTTONS
   ────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  cursor: pointer;
  border: none;
  transition:
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out),
    opacity var(--duration-fast);
  white-space: nowrap;
  text-decoration: none;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--color-accent-blue);
  color: #000;
  box-shadow: 0 0 20px rgba(0,195,255,.4);
}

.btn--primary:hover {
  box-shadow: 0 0 35px rgba(0,195,255,.6);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-bg-border);
}

.btn--ghost:hover {
  border-color: rgba(0,195,255,.4);
  color: var(--color-accent-blue);
  box-shadow: 0 0 20px rgba(0,195,255,.12);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

/* ──────────────────────────────────────────────────────────
   7. HERO SECTION
   ────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-32) var(--space-6) var(--space-24);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glow-blue);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 200px;
  background: linear-gradient(to bottom, transparent, var(--color-bg-base));
  pointer-events: none;
}

.hero__badge {
  margin-bottom: var(--space-6);
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp var(--duration-slow) var(--ease-out) 0.1s forwards;
}

.hero__headline {
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  font-weight: var(--weight-extrabold);
  line-height: var(--leading-tight);
  letter-spacing: -0.03em;
  max-width: 16ch;
  margin-inline: auto;
  margin-bottom: var(--space-6);
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp var(--duration-slow) var(--ease-out) 0.25s forwards;
}

.hero__subheadline {
  font-size: clamp(var(--text-base), 2vw, var(--text-xl));
  color: var(--color-text-secondary);
  max-width: 60ch;
  margin-inline: auto;
  margin-bottom: var(--space-10);
  line-height: var(--leading-normal);
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp var(--duration-slow) var(--ease-out) 0.4s forwards;
}

.hero__ctas {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  justify-content: center;
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp var(--duration-slow) var(--ease-out) 0.55s forwards;
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin-top: var(--space-16);
  padding-top: var(--space-10);
  border-top: 1px solid var(--color-bg-border);
  flex-wrap: wrap;
  justify-content: center;
  opacity: 0;
  animation: fadeUp var(--duration-slow) var(--ease-out) 0.7s forwards;
}

.hero__stat-value {
  font-size: var(--text-3xl);
  font-weight: var(--weight-extrabold);
  line-height: 1;
}

.hero__stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  margin-top: var(--space-1);
}

/* Network visualizer canvas */
.hero__canvas-wrap {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

#heroCanvas {
  width: 100%;
  height: 100%;
}

.hero > *:not(.hero__canvas-wrap) {
  position: relative;
  z-index: 1;
}

/* ──────────────────────────────────────────────────────────
   8. INNOVATIONS SECTION
   ────────────────────────────────────────────────────────── */
.innovations {
  position: relative;
  padding: var(--space-24) 0;
  background: var(--color-bg-base);
}

.innovations__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.innovations__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: var(--space-6);
}

.card {
  position: relative;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-bg-border);
  overflow: hidden;
  transition:
    transform var(--duration-normal) var(--ease-out),
    border-color var(--duration-normal),
    box-shadow var(--duration-normal);
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient-card-border);
  -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;
  opacity: 0;
  transition: opacity var(--duration-normal);
}

.card:hover {
  transform: translateY(-4px);
  border-color: transparent;
  box-shadow: var(--shadow-card), 0 0 40px rgba(0,195,255,.1);
}

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

.card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-6);
  display: grid;
  place-items: center;
  font-size: 1.5rem;
}

.card__icon--blue   { background: rgba(0,195,255,.12);   color: var(--color-accent-blue);   }
.card__icon--purple { background: rgba(168,85,247,.12);  color: var(--color-accent-purple); }
.card__icon--cyan   { background: rgba(6,255,212,.12);   color: var(--color-accent-cyan);   }
.card__icon--mixed  { background: rgba(255,255,255,.06); color: var(--color-text-primary);  }

.card__tag {
  margin-bottom: var(--space-4);
}

.card__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}

.card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

.card__code-snippet {
  margin-top: var(--space-5);
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-base);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-bg-border);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent-cyan);
  overflow-x: auto;
}

/* ──────────────────────────────────────────────────────────
   9. TRUST & PRIVACY SECTION
   ────────────────────────────────────────────────────────── */
.trust {
  position: relative;
  padding: var(--space-24) 0;
  background: var(--color-bg-surface);
  overflow: hidden;
}

.trust::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glow-purple);
  pointer-events: none;
}

.trust__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.trust__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.trust__diagram {
  position: relative;
  width: 360px;
  height: 360px;
}

/* Shard diagram — pure CSS illustration */
.shard-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
  display: flex;
  align-items: center;
  justify-content: center;
}

.shard-ring--outer {
  inset: 0;
  border-color: rgba(168,85,247,.2);
  animation: spinSlow 20s linear infinite;
}

.shard-ring--mid {
  inset: 15%;
  border-color: rgba(0,195,255,.25);
  animation: spinSlow 14s linear infinite reverse;
}

.shard-ring--inner {
  inset: 32%;
  border-color: rgba(6,255,212,.3);
  animation: spinSlow 8s linear infinite;
}

.shard-core {
  position: absolute;
  inset: 42%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,195,255,.5) 0%, rgba(168,85,247,.3) 60%, transparent 100%);
  filter: blur(4px);
  animation: pulse 3s ease-in-out infinite;
}

.shard-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent-blue);
  box-shadow: 0 0 12px var(--color-accent-blue);
}

.shard-dot--purple {
  background: var(--color-accent-purple);
  box-shadow: 0 0 12px var(--color-accent-purple);
}

/* .trust__content — no additional styles needed beyond inherited layout */

.trust__points {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.trust__point {
  display: flex;
  gap: var(--space-4);
}

.trust__point-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(168,85,247,.12);
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  margin-top: 2px;
}

.trust__point-title {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-1);
}

.trust__point-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

/* ──────────────────────────────────────────────────────────
   10. INCENTIVE / ECOSYSTEM SECTION
   ────────────────────────────────────────────────────────── */
.ecosystem {
  position: relative;
  padding: var(--space-24) 0;
  background: var(--color-bg-base);
}

.ecosystem__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.ecosystem__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

.ecosystem__explainer {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.karma-card {
  position: relative;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-bg-border);
  overflow: hidden;
}

.karma-card::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(0,195,255,.08) 0%, transparent 70%);
  pointer-events: none;
}

.karma-title {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-3);
}

.karma-desc {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-6);
}

.karma-bars {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.karma-bar-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.karma-bar-label {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--color-text-secondary);
  width: 80px;
  flex-shrink: 0;
}

.karma-bar-track {
  flex: 1;
  height: 6px;
  background: var(--color-bg-elevated);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.karma-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--gradient-text-brand);
  transition: width 1.2s var(--ease-out);
}

.karma-bar-value {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--color-accent-blue);
  width: 36px;
  text-align: right;
}

.rewards-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.reward-item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5);
  border-radius: var(--radius-md);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-bg-border);
  transition: border-color var(--duration-normal);
}

.reward-item:hover {
  border-color: rgba(0,195,255,.3);
}

.reward-item__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.reward-item__title {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-1);
}

.reward-item__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* ──────────────────────────────────────────────────────────
   11. FOOTER
   ────────────────────────────────────────────────────────── */
.footer {
  position: relative;
  background: var(--color-bg-surface);
  border-top: 1px solid var(--color-bg-border);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--color-bg-border);
}

.footer__brand-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  margin-top: var(--space-4);
  max-width: 32ch;
}

.footer__newsletter {
  margin-top: var(--space-6);
  display: flex;
  gap: var(--space-2);
}

.footer__input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-bg-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  font-family: var(--font-display);
  outline: none;
  transition: border-color var(--duration-fast);
}

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

.footer__input:focus {
  border-color: rgba(0,195,255,.5);
}

.footer__col-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: color var(--duration-fast);
}

.footer__links a:hover {
  color: var(--color-accent-blue);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.footer__socials {
  display: flex;
  gap: var(--space-4);
}

.footer__social-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-bg-border);
  display: grid;
  place-items: center;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition:
    color var(--duration-fast),
    border-color var(--duration-fast),
    background var(--duration-fast);
}

.footer__social-link:hover {
  color: var(--color-accent-blue);
  border-color: rgba(0,195,255,.4);
  background: rgba(0,195,255,.06);
}

/* ──────────────────────────────────────────────────────────
   12. SCROLL REVEAL ANIMATIONS
   ────────────────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50%       { transform: scale(1.15); opacity: 1; }
}

@keyframes nodeBlink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

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

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

.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }

/* ──────────────────────────────────────────────────────────
   13. RESPONSIVE
   ────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .trust__inner {
    grid-template-columns: 1fr;
  }
  .trust__visual { order: -1; }
  .trust__diagram { width: 280px; height: 280px; }

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

  .footer__top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: fixed;
    top: 65px;
    left: 0; right: 0;
    background: rgba(5,7,9,.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-bg-border);
    flex-direction: column;
    padding: var(--space-6);
    gap: var(--space-6);
    z-index: calc(var(--z-nav) - 1);
  }

  .nav__links.nav__links--open {
    display: flex;
  }

  #mobileMenuBtn {
    display: inline-flex !important;
  }

  .nav__cta { display: none; }

  .hero__headline { font-size: clamp(2rem, 8vw, 3rem); }

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

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero__ctas { flex-direction: column; }
  .hero__stats { gap: var(--space-6); }
}