/* ==========================================================================
   BunkerPay — Design System
   The corridor for maritime payments.
   ========================================================================== */

/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600&family=IBM+Plex+Sans:wght@300;400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

/* ==========================================================================
   Tokens
   ========================================================================== */
:root {
  /* Brand */
  --brand-orange: #FFA511;        /* Logo only */

  /* Institutional palette (site-wide) */
  --navy: #0F1A2E;
  --navy-dark: #08111E;
  --navy-deep: #0A1525;
  --navy-card: #13243D;

  /* Gold — primary accent */
  --gold: #C6A45A;
  --gold-soft: rgba(198, 164, 90, 0.85);
  --gold-mute: rgba(198, 164, 90, 0.3);
  --gold-faint: rgba(198, 164, 90, 0.05);

  /* Corridor accents */
  --corridor-eu: #C6A45A;
  --corridor-latam: #5DB87A;
  --corridor-africa: #7BA8E0;

  /* Text */
  --text-primary: #E8EDF5;
  --text-display: #F4F6FA;
  --text-secondary: rgba(232, 237, 245, 0.7);
  --text-tertiary: rgba(232, 237, 245, 0.45);
  --text-faint: rgba(232, 237, 245, 0.3);

  /* Borders */
  --border: rgba(255, 255, 255, 0.07);
  --border-soft: rgba(255, 255, 255, 0.05);
  --border-card: rgba(255, 255, 255, 0.1);

  /* Type stacks */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  /* Spacing */
  --section-padding: 96px 48px;
  --container-max: 1280px;

  /* Transitions */
  --t-fast: 150ms ease;
  --t-medium: 250ms ease;
  --t-slow: 400ms ease;
}

/* ==========================================================================
   Reset
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--navy);
  color: var(--text-primary);
  line-height: 1.6;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 26, 46, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 0.5px solid var(--border);
}
.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.nav-logo img {
  height: 32px;
  width: auto;
}
.nav-logo-text {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 2.5px;
  color: var(--text-primary);
}
.nav-logo-text span {
  color: var(--brand-orange);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
  justify-content: center;
}
.nav-links a {
  font-size: 12px;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  transition: color var(--t-fast);
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a.active { color: var(--gold); }
.nav-right { display: flex; align-items: center; gap: 16px; }
.nav-lang {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 0.5px solid var(--border-card);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1.2px;
  color: var(--text-secondary);
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color var(--t-fast);
}
.nav-lang:hover { border-color: var(--gold-mute); }
.nav-lang .active-lang { color: var(--gold); }
.nav-lang .sep { opacity: 0.3; }
.nav-cta {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.4px;
  color: var(--navy);
  background: var(--gold);
  padding: 9px 18px;
  border-radius: 2px;
  text-transform: uppercase;
  border: none;
  transition: background var(--t-fast);
}
.nav-cta:hover { background: #d4b674; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 0.5px solid var(--border-card);
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: 3px;
  font-size: 12px;
  letter-spacing: 1px;
}

/* ==========================================================================
   Layout primitives
   ========================================================================== */
.section { padding: var(--section-padding); }
.section.dark { background: var(--navy-dark); }
.container { max-width: var(--container-max); margin: 0 auto; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.4px;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: '';
  width: 24px;
  height: 0.5px;
  background: var(--gold);
}

.h-display {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.5vw, 48px);
  font-weight: 500;
  line-height: 1.14;
  color: var(--text-display);
  letter-spacing: -0.6px;
  margin-bottom: 22px;
}
.h-display em {
  font-style: italic;
  color: var(--gold);
  font-weight: 400;
}

.h-section {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 500;
  line-height: 1.22;
  color: var(--text-display);
  letter-spacing: -0.4px;
  margin-bottom: 16px;
}
.h-section em {
  font-style: italic;
  color: var(--gold);
  font-weight: 400;
}

.body-text {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.78;
  color: var(--text-secondary);
  max-width: 720px;
}
.body-text + .body-text { margin-top: 14px; }

.lead {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 700px;
}

.quote {
  font-family: var(--font-display);
  font-size: 18px;
  font-style: italic;
  color: var(--gold-soft);
  line-height: 1.55;
  border-left: 0.5px solid rgba(198, 164, 90, 0.4);
  padding: 16px 22px;
  max-width: 660px;
  margin-top: 28px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.3px;
  text-transform: uppercase;
  padding: 13px 24px;
  border-radius: 3px;
  border: none;
  cursor: pointer;
  transition: all var(--t-fast);
  white-space: nowrap;
}
.btn-primary {
  background: var(--gold);
  color: var(--navy);
}
.btn-primary:hover { background: #d4b674; transform: translateY(-1px); }
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 0.5px solid rgba(232, 237, 245, 0.25);
}
.btn-secondary:hover { border-color: var(--gold-mute); color: var(--gold); }

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  margin: 28px 0;
}
.trust-line {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-tertiary);
  letter-spacing: 0.3px;
  line-height: 1.7;
  max-width: 520px;
  margin-top: 18px;
}

/* ==========================================================================
   Corridor pills
   ========================================================================== */
.corridor-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 22px 0;
}
.pill {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.7px;
  text-transform: uppercase;
  padding: 6px 11px;
  border-radius: 3px;
  border: 0.5px solid;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.pill::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
}
.pill.in {
  color: rgba(198, 164, 90, 0.95);
  border-color: rgba(198, 164, 90, 0.3);
  background: rgba(198, 164, 90, 0.04);
}
.pill.in::before { background: var(--corridor-eu); }
.pill.out {
  color: rgba(123, 168, 224, 0.95);
  border-color: rgba(123, 168, 224, 0.3);
  background: rgba(123, 168, 224, 0.04);
}
.pill.out::before { background: var(--corridor-africa); }
.pill.cross {
  color: rgba(93, 184, 122, 0.95);
  border-color: rgba(93, 184, 122, 0.3);
  background: rgba(93, 184, 122, 0.04);
}
.pill.cross::before { background: var(--corridor-latam); }

/* ==========================================================================
   Stats bar
   ========================================================================== */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 0.5px solid var(--border);
  background: var(--navy-dark);
}
.stat {
  padding: 22px 28px;
  border-right: 0.5px solid var(--border-soft);
}
.stat:last-child { border-right: none; }
.stat-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1.3px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.stat-value {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}
.stat-sub {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 3px;
}
.stat-corridors {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
}
.region-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
}
.region-dot.eu { background: var(--corridor-eu); }
.region-dot.latam { background: var(--corridor-latam); }
.region-dot.africa { background: var(--corridor-africa); }
.region-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

/* ==========================================================================
   Cards (generic)
   ========================================================================== */
.card {
  background: var(--navy-card);
  border: 0.5px solid var(--border-card);
  border-radius: 8px;
  padding: 24px;
}
.card-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.card-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255, 255, 255, 0.06); border: 0.5px solid var(--border); border-radius: 8px; overflow: hidden; }

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: var(--navy-dark);
  border-top: 0.5px solid var(--border);
  padding: 64px 48px 32px;
}
.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 0.5px solid var(--border);
}
.footer-brand-block img { height: 40px; margin-bottom: 16px; }
.footer-tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 16px;
  color: var(--gold-soft);
  line-height: 1.5;
  margin-bottom: 18px;
  max-width: 320px;
}
.footer-trust {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-tertiary);
  line-height: 1.7;
  letter-spacing: 0.3px;
  max-width: 360px;
}
.footer-col-h {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.footer-col a {
  font-size: 12px;
  color: var(--text-secondary);
  transition: color var(--t-fast);
}
.footer-col a:hover { color: var(--gold); }
.footer-bottom {
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-copy {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-tertiary);
  letter-spacing: 0.5px;
}
.footer-legal {
  display: flex;
  gap: 18px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.5px;
}
.footer-legal a { color: var(--text-tertiary); }
.footer-legal a:hover { color: var(--gold); }

/* ==========================================================================
   Canonical CTA block (used on every page)
   ========================================================================== */
.canonical-cta {
  background: var(--navy-dark);
  border-top: 0.5px solid var(--border);
  padding: 80px 48px;
}
.canonical-cta-inner {
  max-width: var(--container-max);
  margin: 0 auto;
}
.canonical-criteria {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.06);
  border: 0.5px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin: 32px 0;
}
.criterion {
  background: var(--navy);
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.criterion-num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.4px;
  color: var(--gold);
}
.criterion-name {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--text-primary);
  letter-spacing: -0.2px;
}
.criterion-d {
  font-size: 11px;
  font-weight: 300;
  line-height: 1.65;
  color: var(--text-secondary);
}
.canonical-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.4px;
  color: var(--gold);
  text-transform: uppercase;
  padding: 7px 14px;
  border: 0.5px solid var(--gold-mute);
  border-radius: 3px;
  background: var(--gold-faint);
  margin-bottom: 18px;
}
.canonical-badge::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes flow-dash { to { stroke-dashoffset: -30; } }
@keyframes node-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}
@keyframes pre-dot-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
@keyframes ship-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 960px) {
  :root { --section-padding: 64px 28px; }
  .nav-toggle { display: inline-flex; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--navy-dark);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-top: 0.5px solid var(--border);
  }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat { border-bottom: 0.5px solid var(--border-soft); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .canonical-criteria { grid-template-columns: 1fr 1fr; }
  .card-grid-3, .card-grid-4 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  :root { --section-padding: 48px 20px; }
  .nav-inner { padding: 14px 20px; }
  .nav-cta { display: none; }
  .stats { grid-template-columns: 1fr; }
  .stat { border-right: none; }
  .footer { padding: 48px 24px 24px; }
  .footer-top { grid-template-columns: 1fr; }
  .canonical-cta { padding: 56px 24px; }
  .canonical-criteria { grid-template-columns: 1fr; }
  .card-grid-2, .card-grid-3, .card-grid-4 { grid-template-columns: 1fr; }
}