:root {
  --bg: #ffffff;
  --tile: #f5f5f7;
  --tile-border: #e8e8ed;
  --text: #1d1d1f;
  --text-dim: #6e6e73;
  --text-faint: #a1a1a6;

  /* colourful accent palette — used across kickers, icon chips, buttons */
  --blue: #2563eb;
  --cyan: #06b6d4;
  --violet: #7c3aed;
  --coral: #fb4d6a;
  --teal: #0aa968;
  --amber: #f59e0b;

  --accent: var(--blue);
  --accent-2: var(--violet);
  --dark: #1d1d1f;
  --radius: 22px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0; letter-spacing: -0.02em; }
p { margin: 0; }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 16px 32px;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--tile-border);
}
.nav-brand {
  font-weight: 700;
  font-size: 17px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.brand-logo { height: 30px; width: auto; display: block; }
.nav-brand.small .brand-logo { height: 26px; }
.footer-credit { display: flex; align-items: center; gap: 8px; }
.footer-credit .brand-logo-gtd { height: 26px; width: auto; display: block; }
.nav-links {
  display: flex;
  gap: 22px;
  margin-left: 12px;
  font-size: 14px;
  color: var(--text-dim);
}
.nav-links a:hover { color: var(--text); }
.nav-cta { margin-left: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 980px;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: transform 0.15s ease, background 0.15s ease, opacity 0.15s ease;
}
.btn-primary {
  background: linear-gradient(120deg, var(--blue), var(--violet));
  color: #fff;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.25);
}
.btn-primary:hover { filter: brightness(1.08); box-shadow: 0 6px 18px rgba(124, 58, 237, 0.32); }
.btn-ghost { background: var(--tile); color: var(--text); }
.btn-ghost:hover { background: var(--tile-border); }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn:active { transform: scale(0.97); }

/* ---------- Hero ---------- */
.hero {
  max-width: 900px;
  margin: 0 auto;
  padding: 88px 24px 40px;
  text-align: center;
}
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 980px;
  margin-bottom: 22px;
  background: linear-gradient(#fff, #fff) padding-box,
    linear-gradient(120deg, var(--blue), var(--violet), var(--coral)) border-box;
  border: 1.5px solid transparent;
  background-clip: padding-box, border-box;
}
.eyebrow-text {
  background: linear-gradient(120deg, var(--blue), var(--violet) 60%, var(--coral));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero h1 {
  font-size: clamp(34px, 5.6vw, 60px);
  font-weight: 700;
  line-height: 1.06;
}
.hero-sub {
  display: block;
  max-width: 620px;
  margin: 22px auto 0;
  font-size: 18px;
  color: var(--text-dim);
}
.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-top: 32px;
  flex-wrap: wrap;
}

.hero-art {
  position: relative;
  max-width: 640px;
  margin: 64px auto 0;
  height: 160px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 10px;
  padding: 0 20px;
}
.hero-bar {
  width: 44px;
  border-radius: 10px 10px 0 0;
  background: linear-gradient(180deg, #e8e8ed, var(--tile));
}
.hero-bar.b1 { height: 38%; background: linear-gradient(180deg, rgba(37,99,235,0.18), rgba(37,99,235,0.34)); }
.hero-bar.b2 { height: 54%; background: linear-gradient(180deg, rgba(6,182,212,0.18), rgba(6,182,212,0.34)); }
.hero-bar.b3 { height: 46%; background: linear-gradient(180deg, rgba(10,169,104,0.18), rgba(10,169,104,0.34)); }
.hero-bar.b4 { height: 72%; background: linear-gradient(180deg, rgba(124,58,237,0.2), rgba(124,58,237,0.38)); }
.hero-bar.b5 { height: 100%; background: linear-gradient(180deg, rgba(251,77,106,0.4), rgba(245,158,11,0.55)); }
.hero-bar.b6 { height: 68%; background: linear-gradient(180deg, rgba(124,58,237,0.18), rgba(124,58,237,0.32)); }
.hero-bar.b7 { height: 50%; background: linear-gradient(180deg, rgba(37,99,235,0.16), rgba(37,99,235,0.3)); }
.hero-line {
  position: absolute;
  left: 8%;
  right: 8%;
  bottom: 44%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--amber) 0 8px, transparent 8px 14px);
}

/* ---------- Section heads ---------- */
.section-head { max-width: 720px; margin: 0 auto 36px; padding: 0 24px; }
.section-head.center { text-align: center; }
.kicker {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--section-accent, var(--blue));
  margin-bottom: 10px;
}
.kicker.light { color: rgba(255,255,255,0.8); }
#what { --section-accent: var(--blue); }
#why { --section-accent: var(--violet); }
#how .kicker { --section-accent: var(--coral); }
.section-head h2 {
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 700;
}

/* ---------- Bento grid ---------- */
.bento { padding: 72px 24px; max-width: 1120px; margin: 0 auto; }
.bento.alt { background: linear-gradient(180deg, #fafafa, #fff); border-radius: 40px; }

.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.tile {
  background: var(--tile);
  border: 1px solid var(--tile-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  grid-column: span 2;
}
.tile:hover { transform: translateY(-3px); box-shadow: 0 16px 32px rgba(0,0,0,0.08); }
.tile-icon {
  width: 44px;
  height: 44px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 21px;
  line-height: 1;
  margin-bottom: 16px;
  background: var(--chip-bg, var(--tile-border));
}
.tile-icon svg { width: 22px; height: 22px; color: var(--chip-fg, var(--blue)); }
.tile h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.tile p { color: var(--text-dim); font-size: 14.5px; }

/* colourful icon chips */
.chip-blue { --chip-bg: rgba(37, 99, 235, 0.12); --chip-fg: var(--blue); }
.chip-cyan { --chip-bg: rgba(6, 182, 212, 0.14); --chip-fg: var(--cyan); }
.chip-violet { --chip-bg: rgba(124, 58, 237, 0.12); --chip-fg: var(--violet); }
.chip-coral { --chip-bg: rgba(251, 77, 106, 0.13); --chip-fg: var(--coral); }
.chip-teal { --chip-bg: rgba(10, 169, 104, 0.13); --chip-fg: var(--teal); }
.chip-amber { --chip-bg: rgba(245, 158, 11, 0.15); --chip-fg: var(--amber); }

.tile-lg { grid-column: span 4; grid-row: span 1; padding: 40px; }
.tile-lg h3 { font-size: 24px; }
.tile-lg p { font-size: 16px; max-width: 640px; }
.tile-dark { background: var(--dark); border-color: var(--dark); }
.tile-dark h3 { color: #fff; }
.tile-dark p { color: rgba(255,255,255,0.72); }
.tile-dark .tile-icon { width: 52px; height: 52px; background: rgba(245, 158, 11, 0.18); }
.tile-dark .tile-icon svg { width: 26px; height: 26px; color: var(--amber); }

.tile-wide { grid-column: span 3; }
.tile-tall { grid-column: span 1; grid-row: span 1; }
.tile-accent { background: rgba(124, 58, 237, 0.06); border-color: rgba(124, 58, 237, 0.18); }

@media (max-width: 860px) {
  .bento-grid { grid-template-columns: repeat(2, 1fr); }
  .tile, .tile-wide, .tile-tall, .tile-lg { grid-column: span 2; }
}

/* ---------- How it works ---------- */
.how { padding: 72px 24px; max-width: 1000px; margin: 0 auto; }
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 8px;
}
.step {
  background: var(--tile);
  border: 1px solid var(--tile-border);
  border-radius: var(--radius);
  padding: 28px;
}
.step-num {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 12px;
}
.step:nth-child(1) .step-num { color: var(--blue); }
.step:nth-child(2) .step-num { color: var(--violet); }
.step:nth-child(3) .step-num { color: var(--coral); }
.step h3 { font-size: 19px; margin-bottom: 8px; }
.step p { color: var(--text-dim); font-size: 14.5px; }

@media (max-width: 760px) {
  .steps { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav { padding: 14px 20px; }
  .hero { padding-top: 56px; }
  .hero-art { height: 120px; margin-top: 40px; }
  .status-card { padding: 32px; }
  .footer-top { align-items: flex-start; }
}

/* ---------- Status ---------- */
.status { padding: 24px 24px 88px; max-width: 1120px; margin: 0 auto; }
.status-card {
  background: linear-gradient(135deg, #150f2e, #1d1d1f 55%, #2a1338);
  border-radius: 32px;
  padding: 48px;
  display: flex;
  align-items: center;
  gap: 32px;
  color: #fff;
  flex-wrap: wrap;
}
.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(120deg, var(--cyan), var(--violet));
  box-shadow: 0 0 0 6px rgba(124, 58, 237, 0.28);
  flex-shrink: 0;
}
.status-text { flex: 1; min-width: 280px; }
.status-text h2 { color: #fff; margin: 4px 0 10px; }
.status-text p { color: rgba(255,255,255,0.68); font-size: 15px; max-width: 560px; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--tile-border);
  padding: 40px 32px 28px;
  max-width: 1120px;
  margin: 0 auto;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-note { color: var(--text-faint); font-size: 13px; max-width: 480px; }
.footer-bottom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 28px;
}
.footer-credit-label { color: var(--text-faint); font-size: 13px; }
.footer-bottom { color: var(--text-faint); font-size: 12px; margin-top: 0; }