/* ===== Design tokens ===== */
:root {
  --bg-primary: #050816;
  --bg-secondary: #071020;
  --bg-tertiary: #0a1025;

  --blue: #3b82f6;
  --cyan: #22d3ee;
  --purple: #8b5cf6;
  --violet: #a78bfa;
  --magenta: #e879f9;
  --green: #34d399;

  --text-primary: #f5f7fb;
  --text-secondary: #aab2c8;
  --text-muted: #7c85a3;

  --glass-bg: rgba(18, 24, 46, 0.55);
  --glass-bg-strong: rgba(12, 16, 34, 0.78);
  --glass-border: rgba(148, 163, 255, 0.16);
  --glass-border-strong: rgba(34, 211, 238, 0.4);

  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;

  --container-w: 1200px;

  --font-heading: "Plus Jakarta Sans", Inter, system-ui, -apple-system, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;

  --ease-premium: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 700ms;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
ul { list-style: none; margin: 0; padding: 0; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--font-heading); color: var(--text-primary); line-height: 1.2; margin: 0; }
p { color: var(--text-secondary); margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }
svg { display: block; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

.container {
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 24px;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 1000;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border-strong);
  transition: top 200ms var(--ease-premium);
}
.skip-link:focus { top: 16px; }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

.eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 16px;
}

.gradient-text {
  background: linear-gradient(90deg, var(--cyan), var(--violet) 55%, var(--magenta));
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradientGlow 8s ease-in-out infinite;
}
@keyframes gradientGlow {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  padding: 16px 30px;
  border-radius: 999px;
  transition: transform 300ms var(--ease-premium), box-shadow 300ms var(--ease-premium), background 300ms var(--ease-premium), border-color 300ms var(--ease-premium);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--purple));
  color: #fff;
  box-shadow: 0 8px 30px -8px rgba(139, 92, 246, 0.55);
}
.btn-primary:hover, .btn-primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px -6px rgba(34, 211, 238, 0.5);
}
.btn-large { padding: 18px 36px; font-size: 0.95rem; }
.btn-small { padding: 11px 22px; font-size: 0.78rem; }
.btn-text {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  padding: 10px 4px;
  border-bottom: 1px solid var(--glass-border-strong);
}
.btn-text:hover, .btn-text:focus-visible { color: var(--cyan); border-color: var(--cyan); }
.btn-card {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  margin-top: 24px;
}
.btn-card:hover, .btn-card:focus-visible {
  border-color: var(--glass-border-strong);
  background: rgba(34, 211, 238, 0.08);
}
.cta-arrow { transition: transform 300ms var(--ease-premium); display: inline-block; }
.btn-card:hover .cta-arrow, .btn:hover .cta-arrow { transform: translateX(4px); }

/* ===== Ambient background ===== */
#bg-particles {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.bg-ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(720px 480px at 10% 8%, rgba(59, 130, 246, 0.16), transparent 60%),
    radial-gradient(620px 500px at 92% 18%, rgba(167, 139, 250, 0.14), transparent 60%),
    radial-gradient(700px 560px at 20% 92%, rgba(232, 121, 249, 0.1), transparent 60%),
    radial-gradient(640px 520px at 85% 88%, rgba(34, 211, 238, 0.12), transparent 60%);
  animation: ambientDrift 50s ease-in-out infinite alternate;
}
.bg-ambient::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 255, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%);
  opacity: 0.5;
}
@keyframes ambientDrift {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-1.5%, 1.5%) scale(1.03); }
}

.cursor-glow {
  position: fixed;
  top: 0; left: 0;
  width: 480px; height: 480px;
  margin-left: -240px; margin-top: -240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.16), rgba(139, 92, 246, 0.08) 45%, transparent 70%);
  filter: blur(10px);
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  transition: opacity 400ms ease;
  will-change: transform;
}
.cursor-glow.is-active { opacity: 1; }

main, header, footer { position: relative; z-index: 2; }

#top, #introduction, #platforms, #compare, #risk-disclosure { scroll-margin-top: 90px; }

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: background 400ms ease, border-color 400ms ease, padding 300ms ease, backdrop-filter 400ms ease;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(6, 9, 22, 0.72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--glass-border);
  padding: 14px 0;
}
.header-inner { display: flex; align-items: center; gap: 32px; }
.brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  margin-right: auto;
}
.main-nav ul { display: flex; gap: 30px; }
.main-nav a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 250ms ease;
  position: relative;
  padding: 4px 0;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1px;
  background: var(--cyan);
  transition: width 300ms var(--ease-premium);
}
.main-nav a:hover, .main-nav a:focus-visible { color: var(--text-primary); }
.main-nav a:hover::after, .main-nav a:focus-visible::after { width: 100%; }
.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.03);
}
.lang-link {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 6px 12px;
  border-radius: 999px;
  color: var(--text-muted);
  transition: color 200ms ease, background 200ms ease;
}
.lang-link:hover, .lang-link:focus-visible { color: var(--text-primary); }
.lang-link.is-active { color: var(--bg-primary); background: linear-gradient(135deg, var(--cyan), var(--violet)); }
.lang-switch-mobile { margin-top: 4px; }

.nav-cta { margin-left: 8px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  border-radius: 10px;
}
.nav-toggle span {
  width: 20px; height: 1.5px;
  background: var(--text-primary);
  margin-inline: auto;
  transition: transform 300ms var(--ease-premium), opacity 200ms ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  top: 0;
  z-index: 99;
  background: rgba(5, 8, 22, 0.97);
  backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 350ms var(--ease-premium);
}
.mobile-nav.is-open { opacity: 1; visibility: visible; }
.mobile-nav ul { display: flex; flex-direction: column; gap: 28px; text-align: center; }
.mobile-nav a { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 600; }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 110px;
  padding-bottom: 60px;
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
}
.hero-media picture, .hero-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 78% center;
  animation: heroZoom 24s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes heroZoom {
  0% { transform: scale(1); }
  100% { transform: scale(1.045); }
}
.hero-media-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, var(--bg-primary) 0%, rgba(5, 8, 22, 0.88) 26%, rgba(5, 8, 22, 0.42) 52%, rgba(5, 8, 22, 0.08) 72%),
    linear-gradient(0deg, var(--bg-primary) 0%, transparent 16%, transparent 84%, rgba(5, 8, 22, 0.5) 100%);
}
.hero-beam {
  position: absolute;
  width: 2px;
  height: 140%;
  top: -20%;
  background: linear-gradient(180deg, transparent, rgba(34, 211, 238, 0.35), transparent);
  filter: blur(2px);
  opacity: 0.5;
}
.hero-beam-a { left: 62%; transform: rotate(12deg); animation: beamPulse 9s ease-in-out infinite; }
.hero-beam-b { left: 80%; transform: rotate(12deg); animation: beamPulse 11s ease-in-out infinite 2s; }
@keyframes beamPulse { 0%, 100% { opacity: 0.15; } 50% { opacity: 0.55; } }

.hero-inner { position: relative; z-index: 2; width: 100%; }
.hero-content { max-width: 620px; }
.hero-title {
  font-size: clamp(2.1rem, 4.4vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
}
.hero-subtitle {
  font-size: 1.05rem;
  max-width: 540px;
  color: var(--text-secondary);
}
.hero-cta-row {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
  margin-top: 32px;
}

/* ===== Trust strip ===== */
.trust-strip {
  position: relative;
  margin: -40px auto 0;
  max-width: calc(var(--container-w) + 48px);
  padding-inline: 24px;
}
.trust-strip-inner {
  max-width: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}
.trust-strip-inner::before {
  content: "";
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: linear-gradient(120deg, transparent, rgba(34, 211, 238, 0.5), transparent 60%);
  background-size: 250% 250%;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: borderSweep 7s linear infinite;
  pointer-events: none;
}
@keyframes borderSweep {
  0% { background-position: 0% 0%; }
  100% { background-position: 200% 200%; }
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 26px 24px;
  border-right: 1px solid var(--glass-border);
}
.trust-item:last-child { border-right: none; }
.trust-icon {
  width: 40px; height: 40px;
  flex-shrink: 0;
  color: var(--cyan);
}
.trust-icon svg { width: 100%; height: 100%; }
.trust-label {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

/* ===== Intro ===== */
.intro { padding: 160px 0 120px; }
.intro-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
}
.intro-content h2 {
  font-size: clamp(1.7rem, 2.6vw, 2.3rem);
  font-weight: 700;
  margin-bottom: 24px;
  max-width: 560px;
}
.intro-content p { max-width: 620px; }
.intro-visual { display: flex; justify-content: center; }
.node-diagram { width: 100%; max-width: 420px; }
.node-ring { animation: spin 90s linear infinite; transform-origin: center; }
.node-ring-slow { animation: spin 130s linear infinite reverse; }
@keyframes spin { to { transform: rotate(360deg); } }
.flow-path {
  stroke-dasharray: 6 6;
  animation: flowDash 6s linear infinite;
}
@keyframes flowDash { to { stroke-dashoffset: -120; } }
.hub-node circle:first-child { animation: pulseGlow 4s ease-in-out infinite; transform-origin: center; }
@keyframes pulseGlow {
  0%, 100% { filter: drop-shadow(0 0 0 rgba(167, 139, 250, 0)); }
  50% { filter: drop-shadow(0 0 14px rgba(167, 139, 250, 0.55)); }
}
.satellite-node circle { animation: floatY 6s ease-in-out infinite; }
.satellite-node:nth-of-type(2) circle { animation-delay: 1.2s; }
.node-diagram g:nth-of-type(3) circle { animation-delay: 2.4s; }
.node-diagram g:nth-of-type(4) circle { animation-delay: 3.6s; }
@keyframes floatY { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
.node-label {
  font-family: var(--font-heading);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  fill: var(--text-muted);
  text-anchor: middle;
}

/* ===== Section divider ===== */
.section-divider {
  position: relative;
  padding: 40px 0 100px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
.divider-line {
  position: relative;
  width: min(600px, 80%);
  height: 1px;
  background: rgba(148, 163, 255, 0.15);
  overflow: hidden;
}
.divider-line::after {
  content: "";
  position: absolute;
  top: 0; left: -40%;
  width: 40%; height: 100%;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--violet), transparent);
  animation: sweepLine 4.5s ease-in-out infinite;
}
@keyframes sweepLine {
  0% { left: -40%; }
  100% { left: 100%; }
}
.divider-particles {
  position: absolute;
  top: 40px;
  left: 50%;
  width: min(600px, 80%);
  transform: translateX(-50%);
  height: 1px;
  pointer-events: none;
}
.divider-particles span {
  position: absolute;
  top: 0;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px 1px var(--cyan);
  opacity: 0;
}
.section-divider.is-visible .divider-particles span { animation: converge 1.8s var(--ease-premium) forwards; }
.divider-particles span:nth-child(1) { left: 4%; animation-delay: 0.05s; }
.divider-particles span:nth-child(2) { left: 20%; animation-delay: 0.15s; }
.divider-particles span:nth-child(3) { left: 38%; animation-delay: 0.25s; }
.divider-particles span:nth-child(4) { left: 62%; animation-delay: 0.25s; }
.divider-particles span:nth-child(5) { left: 80%; animation-delay: 0.15s; }
.divider-particles span:nth-child(6) { left: 96%; animation-delay: 0.05s; }
@keyframes converge {
  0% { opacity: 0; transform: translateX(0); }
  40% { opacity: 1; }
  100% { opacity: 0; transform: translateX(calc(50% - 50vw + 50%)); }
}
.divider-copy .eyebrow { margin: 0; text-align: center; }

/* ===== Section heading (shared) ===== */
.section-heading { max-width: 760px; margin: 0 auto 60px; text-align: center; }
.section-heading h2 {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  font-weight: 800;
  letter-spacing: 0.01em;
  margin-bottom: 18px;
}
.section-lead { font-size: 1.02rem; max-width: 640px; margin-inline: auto; }

/* ===== Platforms / exchange cards ===== */
.platforms { padding: 40px 0 140px; }
.exchange-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.exchange-card {
  position: relative;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 34px 34px 30px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  overflow: hidden;
  transition: transform 400ms var(--ease-premium), border-color 400ms ease, box-shadow 400ms ease;
  transform-style: preserve-3d;
}
.exchange-card:hover, .exchange-card:focus-within {
  transform: translateY(-7px);
  border-color: var(--glass-border-strong);
  box-shadow: 0 30px 60px -20px rgba(34, 211, 238, 0.22);
}
.card-hologram {
  position: absolute;
  top: -30%; right: -20%;
  width: 60%; height: 160%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.22), transparent 65%);
  transition: transform 500ms var(--ease-premium), opacity 500ms ease;
  pointer-events: none;
}
.exchange-card:hover .card-hologram { transform: translate(-6%, 4%) scale(1.1); }
.exchange-card:nth-child(2) .card-hologram { background: radial-gradient(circle, rgba(34, 211, 238, 0.22), transparent 65%); }
.exchange-card:nth-child(3) .card-hologram { background: radial-gradient(circle, rgba(232, 121, 249, 0.2), transparent 65%); }
.exchange-card:nth-child(4) .card-hologram { background: radial-gradient(circle, rgba(59, 130, 246, 0.22), transparent 65%); }

.card-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 10px;
  position: relative;
}
.card-title {
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  margin-bottom: 8px;
  position: relative;
}
.card-subtitle {
  font-family: var(--font-heading);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  position: relative;
}
.card-text { font-size: 0.92rem; position: relative; }
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
  position: relative;
}
.chip {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 7px 13px;
  border-radius: 999px;
  background: rgba(148, 163, 255, 0.08);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
}

/* ===== Compare ===== */
.compare { padding: 40px 0 140px; }
.compare-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.compare-card {
  text-align: center;
  padding: 34px 20px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent);
  border: 1px solid var(--glass-border);
  transition: border-color 350ms ease, transform 350ms var(--ease-premium);
}
.compare-card:hover { border-color: var(--glass-border-strong); transform: translateY(-4px); }
.compare-card h3 {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}
.compare-category {
  font-size: 0.82rem;
  color: var(--cyan);
  font-weight: 600;
  margin: 0;
}

/* ===== Responsible exploration ===== */
.responsible {
  position: relative;
  padding: 130px 0;
  overflow: hidden;
  background: linear-gradient(180deg, var(--bg-primary), var(--bg-tertiary) 50%, var(--bg-primary));
}
.responsible-bg {
  position: absolute;
  top: 50%; left: 50%;
  width: 640px; height: 640px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.14), transparent 70%);
  filter: blur(10px);
}
.responsible-bg::before {
  content: "";
  position: absolute;
  inset: 60px;
  border-radius: 50%;
  border: 1px solid rgba(148, 163, 255, 0.15);
  animation: spin 100s linear infinite;
}
.responsible-inner {
  position: relative;
  max-width: 680px;
  margin-inline: auto;
  text-align: center;
}
.responsible-inner h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 800;
  margin-bottom: 22px;
}
.flow-line {
  margin-top: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--text-primary);
}
.flow-arrow { color: var(--cyan); animation: arrowPulse 2.4s ease-in-out infinite; }
.flow-line span:nth-child(3) .flow-arrow,
.flow-line .flow-arrow:nth-of-type(2) { animation-delay: 0.4s; }
@keyframes arrowPulse { 0%, 100% { opacity: 0.4; } 50% { opacity: 1; } }

/* ===== Risk disclosure ===== */
.risk-disclosure { padding: 20px 0 120px; }
.risk-box {
  display: flex;
  gap: 22px;
  padding: 32px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border);
}
.risk-icon {
  flex-shrink: 0;
  width: 26px; height: 26px;
  color: var(--text-muted);
  margin-top: 2px;
}
.risk-icon svg { width: 100%; height: 100%; }
.risk-box h2 {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 14px;
}
.risk-box p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 900px;
}

/* ===== Footer ===== */
.site-footer {
  padding: 50px 0;
  border-top: 1px solid var(--glass-border);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.footer-brand { font-weight: 700; font-family: var(--font-heading); }
.footer-nav { display: flex; flex-wrap: wrap; gap: 24px; }
.footer-nav a { font-size: 0.85rem; color: var(--text-secondary); transition: color 200ms ease; }
.footer-nav a:hover, .footer-nav a:focus-visible { color: var(--text-primary); }
.footer-copy { width: 100%; font-size: 0.78rem; color: var(--text-muted); margin: 0; }

/* ===== Scroll reveal ===== */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  filter: blur(6px);
  transition: opacity var(--dur) var(--ease-premium), transform var(--dur) var(--ease-premium), filter var(--dur) var(--ease-premium);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); filter: blur(0); }

.exchange-grid .exchange-card:nth-child(1) { transition-delay: 0ms; }
.exchange-grid .exchange-card:nth-child(2) { transition-delay: 90ms; }
.exchange-grid .exchange-card:nth-child(3) { transition-delay: 180ms; }
.exchange-grid .exchange-card:nth-child(4) { transition-delay: 270ms; }
.compare-grid .compare-card:nth-child(1) { transition-delay: 0ms; }
.compare-grid .compare-card:nth-child(2) { transition-delay: 80ms; }
.compare-grid .compare-card:nth-child(3) { transition-delay: 160ms; }
.compare-grid .compare-card:nth-child(4) { transition-delay: 240ms; }
.trust-strip-inner .trust-item:nth-child(1) { transition-delay: 0ms; }
.trust-strip-inner .trust-item:nth-child(2) { transition-delay: 70ms; }
.trust-strip-inner .trust-item:nth-child(3) { transition-delay: 140ms; }
.trust-strip-inner .trust-item:nth-child(4) { transition-delay: 210ms; }

/* ===== Responsive ===== */
@media (max-width: 1080px) {
  .intro-grid { grid-template-columns: 1fr; gap: 56px; }
  .intro-visual { order: -1; max-width: 320px; margin-inline: auto; }
  .exchange-grid { gap: 22px; }
}

@media (max-width: 900px) {
  .main-nav, .nav-cta, .header-inner .lang-switch { display: none; }
  .nav-toggle { display: flex; }
  .mobile-nav { display: flex; }

  .hero { min-height: unset; padding-top: 130px; padding-bottom: 80px; }
  .hero-media img { object-position: 68% center; }
  .hero-content { max-width: 100%; }

  .trust-strip-inner { grid-template-columns: repeat(2, 1fr); }
  .trust-item { border-right: none; border-bottom: 1px solid var(--glass-border); }
  .trust-item:nth-child(2n) { border-right: none; }
  .trust-item:nth-last-child(-n+2) { border-bottom: none; }

  .exchange-grid { grid-template-columns: 1fr; }
  .compare-grid { grid-template-columns: repeat(2, 1fr); }

  .cursor-glow { display: none; }
}

@media (max-width: 640px) {
  .container { padding-inline: 18px; }
  .intro { padding: 110px 0 80px; }
  .hero-title { font-size: 2rem; }
  .hero-cta-row { flex-direction: column; align-items: flex-start; gap: 20px; }
  .btn-large { width: 100%; }
  .compare-grid { grid-template-columns: 1fr; }
  .risk-box { flex-direction: column; padding: 24px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .bg-ambient::after { background-size: 44px 44px; }
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; transform: none; filter: none; }
  .cursor-glow { display: none; }
  #bg-particles { display: none; }
}