/* ============================================================
   PACIFIC COMMODITIES EXCHANGE — Global Design System
   Version 1.0 | pce-sg.com
   Light theme — white / blue, adapted from the BlueSpeed pattern
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,400&family=DM+Sans:wght@300;400;500&display=swap');

/* ---- Reset ---- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ---- Design Tokens ---- */
:root {
  --ink:         #0A0F52;   /* primary navy — matches PCE logo */
  --ink-mid:     #1B2470;
  --blue:        #1E4FD6;   /* primary accent blue */
  --blue-light:  #4E79E8;
  --blue-pale:   #EAF0FF;   /* light blue tint for alt sections / cards */
  --sky:         #F5F8FF;   /* faint blue-white alt background */
  --paper:       #FFFFFF;
  --border:      rgba(10,15,82,0.10);
  --border-soft: rgba(10,15,82,0.06);

  --text-on-light:    rgba(10,15,82,0.88);
  --text-muted-light: rgba(10,15,82,0.62);
  --text-faint-light: rgba(10,15,82,0.42);

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  --max-w: 1200px;
  --gutter: clamp(24px, 5vw, 64px);
}

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--text-on-light);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---- Shared Nav ---- */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--gutter);
  height: 76px;
  transition: box-shadow 0.4s, border-color 0.4s;
  border-bottom: 1px solid var(--border);
  background: #ffffff;
}
.site-nav.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 6px 24px rgba(10,15,82,0.08);
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 36px; width: auto; display: block; }
.nav-logo-text {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ink);
  line-height: 1.15;
}
.nav-logo-text span { display:block; font-family: var(--font-body); font-size: 8px; font-weight: 500; letter-spacing: 2px; color: var(--blue); text-transform: uppercase; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: 11px;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--text-muted-light);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--blue); }
.nav-cta {
  background: var(--blue);
  color: #fff !important;
  padding: 10px 24px;
  font-weight: 500;
  font-size: 10px !important;
  letter-spacing: 1.8px !important;
  border-radius: 2px;
  transition: background 0.2s !important;
  text-align: center;
}
.nav-cta:hover { background: var(--ink); color: #fff !important; }

/* ---- Shared Footer ---- */
.site-footer {
  background: var(--ink);
  padding: 64px var(--gutter) 32px;
  border-top: 1px solid var(--border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  max-width: var(--max-w);
  margin: 0 auto 48px;
}
.footer-logo { display:flex; align-items:center; gap:10px; margin-bottom: 14px; }
.footer-logo img { height: 30px; width:auto; }
.footer-logo-text { font-family: var(--font-display); font-size: 18px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; color: #fff; }
.footer-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  line-height: 1.8;
  max-width: 280px;
}
.footer-col-title {
  font-size: 9px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--blue-light);
  margin-bottom: 18px;
}
.footer-col a {
  display: block;
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  margin-bottom: 10px;
  transition: color 0.2s;
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: rgba(255,255,255,0.45);
  flex-wrap: wrap;
  gap: 8px;
}

/* ---- Utility ---- */
.section-label {
  font-size: 9px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
  font-weight: 600;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 500;
  line-height: 1.1;
  margin-bottom: 16px;
  color: var(--ink);
}
.section-sub {
  font-size: 14px;
  color: var(--text-muted-light);
  line-height: 1.75;
  max-width: 560px;
  margin-bottom: 48px;
}
.btn-primary {
  display: inline-block;
  background: var(--blue);
  color: #fff;
  padding: 14px 32px;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 500;
  border-radius: 2px;
  transition: background 0.2s, transform 0.15s;
}
.btn-primary:hover { background: var(--ink); transform: translateY(-1px); }
.btn-outline {
  display: inline-block;
  border: 1px solid rgba(30,79,214,0.4);
  color: var(--blue);
  padding: 14px 32px;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 500;
  border-radius: 2px;
  transition: border-color 0.2s, background 0.2s;
}
.btn-outline:hover { border-color: var(--blue); background: var(--blue-pale); }

/* ---- Animations ---- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ---- Page hero (inner pages) ---- */
.page-hero { padding: 168px var(--gutter) 80px; background: linear-gradient(160deg, var(--sky) 0%, #fff 60%); border-bottom: 1px solid var(--border); position: relative; overflow: hidden; }
.page-hero::before { position: absolute; right: var(--gutter); top: 50%; transform: translateY(-50%); font-family: var(--font-display); font-size: clamp(80px,14vw,180px); font-weight: 600; color: rgba(10,15,82,0.035); letter-spacing: 8px; white-space: nowrap; pointer-events: none; }
.page-hero-inner { max-width: var(--max-w); margin: 0 auto; position: relative; }
.page-hero h1 { font-family: var(--font-display); font-size: clamp(40px,6vw,72px); font-weight: 400; line-height: 1.02; margin-bottom: 20px; color: var(--ink); }
.page-hero h1 em { font-style: italic; color: var(--blue); }
.page-hero-sub { font-size: 15px; color: var(--text-muted-light); max-width: 560px; line-height: 1.75; font-weight: 300; }

/* ---- Generic section paddings ---- */
.pce-section { padding: 88px var(--gutter); }
.pce-section-alt { background: var(--sky); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
.pce-inner { max-width: var(--max-w); margin: 0 auto; }

/* ---- Stat strip ---- */
.stats-strip { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.stat-cell { padding: 36px 28px; background: #fff; }
.stat-num { font-family: var(--font-display); font-size: 44px; font-weight: 500; color: var(--blue); line-height: 1; margin-bottom: 8px; }
.stat-label { font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-faint-light); }

/* ---- Card grid (generic) ---- */
.card-grid { display: grid; gap: 1px; background: var(--border); border: 1px solid var(--border); }
.pce-card { background: #fff; padding: 36px 30px; }
.pce-card-num { font-family: var(--font-display); font-size: 22px; color: var(--blue); font-weight: 600; margin-bottom: 14px; }
.pce-card-title { font-size: 15px; font-weight: 600; margin-bottom: 10px; color: var(--ink); }
.pce-card-text { font-size: 13px; color: var(--text-muted-light); line-height: 1.75; }
.pce-card-sub { font-size: 12px; color: var(--blue); font-weight: 600; letter-spacing: .5px; margin-bottom: 8px; }

/* ---- Spec table ---- */
.spec-table { width: 100%; border-collapse: collapse; font-size: 13px; background:#fff; }
.spec-table th, .spec-table td { border: 1px solid var(--border); padding: 12px 14px; text-align: left; }
.spec-table th { background: var(--ink); color: #fff; font-weight: 500; font-size: 11px; letter-spacing: .8px; text-transform: uppercase; }
.spec-table tr:nth-child(even) td { background: var(--sky); }
.spec-table td:first-child { font-weight: 500; color: var(--ink); }
.table-wrap { overflow-x: auto; margin-bottom: 8px; -webkit-overflow-scrolling: touch; }
.table-note { font-size: 11.5px; color: var(--text-faint-light); margin-top: 10px; }

/* ---- Mobile ---- */
@media (max-width: 768px) {
  .site-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: auto;
    padding: 0;
    flex-direction: column;
    align-items: stretch;
    flex-wrap: nowrap;
    gap: 0;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    z-index: 200;
    box-shadow: 0 6px 24px rgba(10,15,82,0.06);
  }
  .site-nav > .nav-logo { padding: 14px 20px 8px; }
  .nav-links {
    order: 3;
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0;
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
    padding: 8px 16px 12px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links a {
    font-size: 10px;
    letter-spacing: 1.2px;
    padding: 5px 12px;
    flex-shrink: 0;
    color: var(--text-muted-light);
  }
  .nav-links a:first-child { padding-left: 0; }
  .nav-links .nav-cta { padding: 5px 14px; font-size: 9px !important; letter-spacing: 1.2px !important; margin-left: 8px; }
  body { padding-top: 112px; }
  .hero { margin-top: -112px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .stats-strip { grid-template-columns: repeat(2,1fr); }
}

/* ---- Supply-flow map ---- */
.supply-map-wrap{margin:38px auto 0;max-width:1080px;border-radius:20px;overflow:hidden;box-shadow:0 24px 70px rgba(10,15,82,.10);border:1px solid var(--border);background:#fff;}
.supply-map-img{display:block;width:100%;height:auto;}
.network-pill-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:24px}
.network-pill{padding:16px 14px;border:1px solid var(--border);background:var(--sky);border-radius:14px;text-align:center;font-weight:600;font-size:12.5px;letter-spacing:.02em;color:var(--ink)}
@media(max-width:760px){.network-pill-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.network-pill{font-size:12px;padding:12px 10px}.supply-map-wrap{border-radius:14px;margin-top:24px}}

@media (max-width: 900px) {
  .card-grid.cols-3, .card-grid.cols-4 { grid-template-columns: 1fr 1fr !important; }
}
@media (max-width: 600px) {
  .card-grid.cols-2, .card-grid.cols-3, .card-grid.cols-4 { grid-template-columns: 1fr !important; }
}