/* =========================================================
   AVAL EXCHANGE — Estilos
   Paleta oficial:
     #032935  azul muy oscuro (primario)
     #034059  azul oscuro
     #036075  azul medio
     #064a62  intermedio
     #64BC98  verde claro (acento)
     #1DAC86  verde principal (CTA)
     #D1D1D1  gris claro
   Tipografías: Darker Grotesque · MuseoModerno
   ========================================================= */

:root {
  --c-ink-900: #032935;
  --c-ink-800: #034059;
  --c-ink-700: #036075;
  --c-ink-600: #064a62;
  --c-accent: #1DAC86;
  --c-accent-light: #64BC98;
  --c-mute: #D1D1D1;
  --c-white: #FFFFFF;
  --c-bg-soft: #F2F6F8;
  --c-text-dark: #0E2630;
  --c-text-muted: #5d7682;

  --font-display: "Darker Grotesque", system-ui, sans-serif;
  --font-body: "Darker Grotesque", system-ui, sans-serif;

  --container: 1200px;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-card: 0 8px 28px rgba(3, 41, 53, 0.08);
  --shadow-card-hover: 0 16px 40px rgba(3, 41, 53, 0.14);

  --grad-brand: linear-gradient(135deg, #032935 0%, #034059 40%, #036075 100%);
  --grad-accent: linear-gradient(135deg, #1DAC86 0%, #64BC98 100%);
  --grad-text: linear-gradient(90deg, #1DAC86 0%, #64BC98 100%);
}

/* ── Reset ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 22px;
  line-height: 1.65;
  color: var(--c-text-dark);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }
a { text-decoration: none; color: inherit; }

/* ── Typography ────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  margin: 0 0 1rem;
  color: inherit;
}
h1 { font-size: clamp(3rem, 5.5vw, 4.8rem); font-weight: 700; }
h2 { font-size: clamp(2rem, 3.8vw, 3.2rem); font-weight: 700; }
h3 { font-size: clamp(1.25rem, 2.2vw, 1.55rem); font-weight: 700; }
h4 { font-size: 1.05rem; font-weight: 700; }
p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }

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

/* ── Container ─────────────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Buttons ───────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--grad-accent);
  color: var(--c-white);
  border-color: transparent;
}
.btn-primary:hover { box-shadow: 0 8px 24px rgba(29, 172, 134, 0.35); }
.btn-ghost {
  background: transparent;
  color: var(--c-white);
  border-color: rgba(255,255,255,0.4);
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.7); }
.btn-ghost-light {
  background: transparent;
  color: var(--c-white);
  border-color: rgba(255,255,255,0.5);
}
.btn-ghost-light:hover { background: rgba(255,255,255,0.1); }
.btn-sm { padding: 9px 20px; font-size: .95rem; }
.btn-lg { padding: 15px 36px; font-size: 1.05rem; }

/* ── Eyebrow ───────────────────────────────── */
.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-accent-light);
  margin-bottom: .75rem;
}
.eyebrow-dark { color: var(--c-accent); }

/* ── Section base ──────────────────────────── */
.section { padding: 96px 0; }
.section-tight { padding: 64px 0; }
.section-light { background: var(--c-bg-soft); }
.section-white { background: var(--c-white); }
.section-dark {
  background: transparent;
  color: var(--c-white);
  position: relative;
  overflow: hidden;
}
.section-pattern-top {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: auto;
  pointer-events: none;
  user-select: none;
  opacity: 0.3;
  transform: scaleY(-1);
}
.section-head {
  max-width: 680px;
  margin: 0 auto 64px;
  text-align: center;
}
.section-head-sm { margin-bottom: 40px; }
.section-lead {
  font-size: 1.15rem;
  color: var(--c-text-muted);
  margin-top: .5rem;
}
.section-dark .section-lead { color: rgba(255,255,255,0.8); }

/* ── Header ────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(3, 41, 53, 0.0);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease;
}
.site-header.scrolled {
  background: rgba(3, 41, 53, 0.96);
  border-color: rgba(255,255,255,0.06);
  backdrop-filter: blur(12px);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 70px;
}
.brand { display: flex; align-items: center; }
.brand-logo { height: 36px; width: auto; }
.nav { margin-left: auto; }
.nav ul {
  display: flex;
  gap: 32px;
}
.nav a {
  color: rgba(255,255,255,0.8);
  font-size: 1rem;
  font-weight: 600;
  transition: color .2s;
}
.nav a:hover { color: var(--c-white); }
.header-cta { margin-left: 8px; }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.menu-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--c-white);
  border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease;
}

/* ── Hero ──────────────────────────────────── */
.dark-band {
  background: var(--grad-brand);
}

.hero {
  background: transparent;
  color: var(--c-white);
  padding: 140px 0 72px;
  min-height: 72vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.hero-pattern {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: auto;
  pointer-events: none;
  user-select: none;
  opacity: 0.3;
}
.red-electrica {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  aspect-ratio: 1920 / 1080;
  pointer-events: none;
}
.red-electrica-top {
  bottom: auto;
  top: 0;
  transform: scaleY(-1);
}
.hero-inner { max-width: 760px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: .85rem;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  margin-bottom: 28px;
}
.badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c-accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .6; transform: scale(1.15); }
}

.hero-title {
  margin-bottom: 1.5rem;
  font-size: clamp(2.8rem, 5.5vw, 4.4rem);
  font-weight: 700;
}
.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255,255,255,0.88);
  max-width: 600px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}
.hero-subtitle strong { color: var(--c-white); }
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  color: rgba(255,255,255,0.85);
  font-weight: 600;
}
.trust-item svg {
  width: 18px; height: 18px;
  color: var(--c-accent-light);
  flex-shrink: 0;
}

/* ── Steps ─────────────────────────────────── */
.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-bottom: 2.5rem;
}
.step {
  flex: 1;
  padding: 36px 32px;
  background: var(--c-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}
.step-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--c-accent);
  line-height: 1;
  margin-bottom: 1rem;
}
.step h3 { margin-bottom: .5rem; color: var(--c-ink-900); }
.step p { font-size: 1rem; color: #3d5a66; margin: 0; }

.step-arrow {
  display: flex;
  align-items: center;
  padding: 0 8px;
  margin-top: 48px;
  color: var(--c-accent);
  flex-shrink: 0;
}
.step-arrow svg { width: 40px; height: 16px; }

.steps-note {
  text-align: center;
  font-size: .9rem;
  color: var(--c-text-muted);
  font-style: italic;
  max-width: 600px;
  margin: 0 auto;
}

/* ── Cards ─────────────────────────────────── */
.cards { display: grid; gap: 24px; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  padding: 36px 32px;
  border-radius: var(--radius);
  background: var(--c-white);
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, box-shadow .25s ease;
  position: relative;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
a.card-link { display: block; }

.card-dark {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--c-white);
}
.card-dark:hover { background: rgba(255,255,255,0.07); }

.card-featured {
  border: 1px solid rgba(100,188,152,0.3);
}
.card-tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-accent-light);
  background: rgba(100,188,152,0.12);
  border-radius: 100px;
  padding: 4px 12px;
  margin-bottom: 20px;
}

.card-icon {
  width: 48px; height: 48px;
  color: var(--c-accent-light);
  margin-bottom: 20px;
}
.card-icon svg { width: 100%; height: 100%; }

.card h3 { font-size: 1.2rem; margin-bottom: .75rem; }
.card p { font-size: 1rem; color: rgba(255,255,255,0.82); margin-bottom: 1.25rem; }

.card-list {
  font-size: 1rem;
  color: rgba(255,255,255,0.75);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.card-list li {
  padding-left: 16px;
  position: relative;
}
.card-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
}

/* ── Pillars ───────────────────────────────── */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.pillar {
  padding: 36px;
  background: var(--c-white);
  border-radius: var(--radius);
  border: 1px solid rgba(3,96,117,0.1);
  box-shadow: var(--shadow-card);
  transition: transform .25s ease;
}
.pillar:hover { transform: translateY(-3px); }
.pillar-icon {
  width: 48px; height: 48px;
  color: var(--c-accent);
  margin-bottom: 20px;
}
.pillar-icon svg { width: 100%; height: 100%; }
.pillar h3 { color: var(--c-ink-900); margin-bottom: .6rem; }
.pillar p { font-size: 1rem; color: #3d5a66; margin: 0; }

/* ── QR Wallet ─────────────────────────────── */
.section-qr {
  background: transparent;
  color: var(--c-white);
  position: relative;
  overflow: hidden;
}
.section-qr .container { position: relative; z-index: 1; }
.section-qr .section-lead { color: rgba(255,255,255,0.8); }

.qr-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}
.qr-step {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
  transition: background .25s ease, transform .25s ease;
}
.qr-step:hover { background: rgba(255,255,255,0.07); transform: translateY(-3px); }
.qr-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -16px;
  width: 9px; height: 9px;
  border-top: 2px solid var(--c-accent);
  border-right: 2px solid var(--c-accent);
  transform: translateY(-50%) rotate(45deg);
}
.qr-step-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.qr-step-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--c-accent-light);
  line-height: 1;
}
.qr-step-icon {
  width: 40px; height: 40px;
  color: var(--c-accent-light);
  opacity: .9;
}
.qr-step-icon svg { width: 100%; height: 100%; }
.qr-step h3 { font-size: 1.15rem; margin-bottom: .5rem; }
.qr-step p { font-size: 1rem; color: rgba(255,255,255,0.78); margin: 0; }

/* Stepper secuencial (se confirma paso a paso al entrar en viewport) */
.qr-steps.armed .qr-step {
  opacity: 0;
  transform: translateY(16px);
}
.qr-steps.armed .qr-step:not(:last-child)::after { opacity: 0; }
.qr-steps.live .qr-step {
  opacity: 1;
  transform: none;
  transition: opacity .55s ease var(--d, 0s), transform .55s ease var(--d, 0s);
}
.qr-steps.live .qr-step:nth-child(1) { --d: 0s; }
.qr-steps.live .qr-step:nth-child(2) { --d: .45s; }
.qr-steps.live .qr-step:nth-child(3) { --d: .9s; }
.qr-steps.live .qr-step:nth-child(4) { --d: 1.35s; }
.qr-steps.live .qr-step:not(:last-child)::after {
  opacity: 1;
  transition: opacity .4s ease calc(var(--d, 0s) + .35s);
}

/* Pulso blockchain: haz verde enmascarado con la trama */
.pattern-pulse { display: none; }
@supports ((-webkit-mask-image: url("")) or (mask-image: url(""))) {
  .pattern-pulse {
    display: block;
    position: absolute;
    left: 0;
    width: 100%;
    aspect-ratio: 2400 / 1596;
    -webkit-mask-image: url("assets/patterns/patron-i05-tile.png");
    mask-image: url("assets/patterns/patron-i05-tile.png");
    -webkit-mask-size: 100% auto;
    mask-size: 100% auto;
    -webkit-mask-repeat: repeat-y;
    mask-repeat: repeat-y;
    overflow: hidden;
    pointer-events: none;
    opacity: .55;
  }
  .pattern-pulse-seam { top: 0; transform: translateY(-50%); }
  .pattern-pulse-beam {
    position: absolute;
    top: 0; left: 0;
    width: 300%; height: 100%;
    background: linear-gradient(100deg, transparent 42%, rgba(100,188,152,0.9) 50%, transparent 58%);
    will-change: transform;
  }
  @media (prefers-reduced-motion: reduce) {
    .pattern-pulse { display: none; }
  }
}

.qr-custody {
  display: flex;
  align-items: center;
  gap: 28px;
  background: rgba(29,172,134,0.12);
  border: 1px solid rgba(100,188,152,0.35);
  border-radius: var(--radius);
  padding: 32px 36px;
  margin-bottom: 28px;
}
.qr-custody-icon {
  width: 56px; height: 56px;
  color: var(--c-accent-light);
  flex-shrink: 0;
}
.qr-custody-icon svg { width: 100%; height: 100%; }
.qr-custody h3 { margin-bottom: .4rem; }
.qr-custody p {
  color: rgba(255,255,255,0.85);
  font-size: 1.05rem;
  margin: 0;
  max-width: 860px;
}
.qr-custody strong { color: var(--c-white); }

.qr-compliance {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 28px 36px;
  margin-bottom: 0;
}
.qr-compliance-text h3 { font-size: 1.15rem; margin-bottom: .35rem; }
.qr-compliance-text p {
  font-size: 1rem;
  color: rgba(255,255,255,0.75);
  margin: 0;
  max-width: 560px;
}
.qr-compliance-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.qr-compliance-badge img {
  height: 46px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: .85;
}
.qr-compliance-badge span {
  font-size: .8rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  text-align: center;
}
.qr-compliance-badge.no-logo img { display: none; }

/* ── Clients ───────────────────────────────── */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.client-logo {
  background: var(--c-white);
  border: 1px solid rgba(3,41,53,0.08);
  border-radius: var(--radius-sm);
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.logo-placeholder {
  font-size: .75rem;
  color: var(--c-mute);
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}

/* ── Internacional ─────────────────────────── */
.section-intl {
  background: transparent;
  color: var(--c-white);
  position: relative;
}
.section-intl .container { position: relative; z-index: 1; }
.section-intl .section-lead { color: rgba(255,255,255,0.8); }
/* Franja de mosaico continua cruzando la costura QR/Internacional.
   Tile encadenable (período vertical exacto = 399px @ 2400): 3 piezas que coinciden. */
.intl-pattern-seam {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  aspect-ratio: 2400 / 1596;
  background-image: url("assets/patterns/patron-i05-tile.png");
  background-size: 100% auto;
  background-repeat: repeat-y;
  pointer-events: none;
  user-select: none;
  opacity: 0.14;
  transform: translateY(-50%);
}
.intl-lanes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 20px;
}
.intl-lane {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: transform .25s ease, background .25s ease;
}
.intl-lane:hover { transform: translateY(-4px); background: rgba(255,255,255,0.07); }
.intl-lane-head {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 18px;
}
.intl-lane-icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  background: rgba(100,188,152,0.12);
  color: var(--c-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.intl-lane-icon svg { width: 28px; height: 28px; }
.intl-lane-tag {
  display: block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-accent-light);
  margin-bottom: .15rem;
}
.intl-lane h3 { color: var(--c-white); margin: 0; font-size: 1.35rem; }
.intl-lane > p { color: rgba(255,255,255,0.82); font-size: 1.02rem; margin-bottom: 1.25rem; }
.intl-list {
  font-size: 1rem;
  color: rgba(255,255,255,0.75);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.intl-list li {
  padding-left: 16px;
  position: relative;
}
.intl-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
}

.intl-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px 44px;
  padding: 28px 0 0;
}
.intl-strip-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.85);
  font-weight: 600;
  font-size: 1rem;
}
.intl-strip-item svg {
  width: 22px; height: 22px;
  color: var(--c-accent-light);
  flex-shrink: 0;
}

/* ── CTA / Contacto ────────────────────────── */
.section-cta {
  background: var(--grad-brand);
  color: var(--c-white);
  padding: 96px 0;
  text-align: center;
}
.cta-inner { max-width: 680px; margin: 0 auto; }
.cta-inner h2 { margin-bottom: 1rem; }
.cta-inner .section-lead { color: rgba(255,255,255,0.82); margin-bottom: 2.5rem; }
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-bottom: 3rem;
}
.cta-info {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.cta-info-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: center;
}
.cta-info-item strong {
  font-size: .85rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-accent-light);
}
.cta-info-item span {
  font-size: 1rem;
  color: rgba(255,255,255,0.82);
}

/* ── Footer ────────────────────────────────── */
.site-footer {
  background: #021e28;
  color: rgba(255,255,255,0.6);
}
.footer-inner {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 64px;
  padding: 64px 24px 48px;
  max-width: var(--container);
  margin: 0 auto;
}
.footer-brand .brand-logo { height: 32px; margin-bottom: 16px; }
.footer-brand p { font-size: .95rem; margin-bottom: .4rem; }
.footer-tag {
  font-size: .82rem;
  color: rgba(255,255,255,0.35);
  margin-top: 8px;
}
.footer-reg {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 20px;
}
.footer-reg img {
  height: 30px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: .5;
  transition: opacity .2s ease;
}
.footer-reg img:hover { opacity: .75; }
.footer-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.footer-col h4 {
  color: var(--c-white);
  font-size: .9rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: .95rem;
  color: rgba(255,255,255,0.5);
  transition: color .2s;
}
.footer-col a:hover { color: var(--c-white); }
.footer-col li:not(:has(a)) { font-size: .95rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 20px 24px;
}
.footer-bottom .container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
}
.footer-bottom small { font-size: .85rem; color: rgba(255,255,255,0.35); }

/* ── WhatsApp float ────────────────────────── */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 200;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: var(--c-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,0.4);
  transition: transform .2s ease, box-shadow .2s ease;
}
.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(37,211,102,0.5);
}

/* ── Responsive ────────────────────────────── */
@media (max-width: 1024px) {
  .cards-3 { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .pillars { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .qr-steps { grid-template-columns: repeat(2, 1fr); }
  .qr-step:not(:last-child)::after { display: none; }
  .intl-lanes { grid-template-columns: 1fr; max-width: 640px; margin: 0 auto 20px; }
  .clients-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-nav { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .hero { padding: 120px 0 64px; min-height: auto; }

  .steps {
    flex-direction: column;
    gap: 16px;
  }
  .step-arrow { display: none; }

  .nav { display: none; }
  .nav.open {
    display: flex;
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: var(--c-ink-900);
    padding: 24px;
    z-index: 99;
  }
  .nav.open ul {
    flex-direction: column;
    gap: 20px;
    width: 100%;
  }
  .nav.open a { font-size: 1.1rem; }
  .header-cta { display: none; }
  .menu-toggle { display: flex; }

  .intl-strip { flex-direction: column; align-items: center; gap: 14px; }
  .clients-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-nav { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom .container { justify-content: center; text-align: center; }
  .qr-steps { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto 24px; }
  .qr-custody { flex-direction: column; text-align: center; padding: 28px 24px; }
  .qr-custody p br { display: none; }
  .qr-compliance { flex-direction: column; text-align: center; padding: 28px 24px; }
  .qr-compliance-text p { max-width: none; }
  .hero-trust { gap: 16px; }
  .cta-actions { flex-direction: column; align-items: center; }
}

/* ── Reveal animation ──────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .5s ease, transform .5s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: none;
}

@media (max-width: 480px) {
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.6rem; }
  .clients-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-nav { grid-template-columns: 1fr; }
}
