:root {
  --ink: #101b2b;
  --ink-soft: #35445a;
  --paper: #f5f2ea;
  --paper-deep: #e9e4d8;
  --line: rgba(16, 27, 43, .16);
  --lime: #c7f36a;
  --mint: #7fdcb7;
  --blue: #5f83ff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

.site-header {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: -.02em; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: var(--paper);
  background: var(--ink);
  border-radius: 50%;
  font-size: 14px;
}
.brand-mark span { color: var(--lime); }
nav { display: flex; align-items: center; gap: 30px; font-size: 14px; font-weight: 650; }
nav a { transition: opacity .2s ease; }
nav a:hover { opacity: .58; }
.nav-cta { padding: 9px 16px; border: 1px solid var(--ink); border-radius: 999px; }

main { overflow: hidden; }
.hero {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  width: min(1200px, calc(100% - 48px));
  min-height: 680px;
  margin: 0 auto;
  padding: 70px 0 90px;
}
.eyebrow { margin: 0 0 22px; font-size: 12px; font-weight: 800; letter-spacing: .22em; }
h1, h2, h3, p { text-wrap: pretty; }
h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(48px, 6.3vw, 88px);
  line-height: 1.04;
  letter-spacing: -.065em;
}
h1 em { position: relative; color: var(--blue); font-style: normal; }
h1 em::after {
  content: "";
  position: absolute;
  left: 2%; right: 0; bottom: -.05em;
  height: .13em;
  background: var(--lime);
  z-index: -1;
  transform: rotate(-1deg);
}
.hero-lead { max-width: 590px; margin: 32px 0 0; color: var(--ink-soft); font-size: 19px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 38px; }
.button { display: inline-flex; padding: 13px 21px; border-radius: 999px; font-size: 14px; font-weight: 750; }
.button.primary { color: white; background: var(--ink); }
.button.secondary { border: 1px solid var(--line); }

.hero-visual { position: relative; width: min(460px, 100%); aspect-ratio: 1; margin-left: auto; }
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 9%;
  border-radius: 50%;
  background: radial-gradient(circle at 38% 32%, #e9ffb9 0 18%, var(--lime) 40%, #9edc70 72%);
  box-shadow: 0 35px 90px rgba(75, 91, 48, .22);
}
.orbit { position: absolute; inset: 2%; border: 1px solid var(--line); border-radius: 50%; }
.orbit-two { inset: -5% 18%; transform: rotate(54deg); }
.signal { position: absolute; width: 14px; height: 14px; background: var(--blue); border: 4px solid var(--paper); border-radius: 50%; box-shadow: 0 8px 22px rgba(26, 42, 70, .25); }
.signal-a { top: 8%; left: 31%; }
.signal-b { top: 58%; right: -1%; background: var(--mint); }
.signal-c { bottom: 5%; left: 20%; background: var(--ink); }
.core {
  position: absolute;
  inset: 37% 25%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: white;
  background: var(--ink);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .12em;
  transform: rotate(-7deg);
}
.core strong { color: var(--lime); font-size: 20px; }

.statement {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 40px;
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  padding: 110px 0;
  border-top: 1px solid var(--line);
}
.section-number { margin: 8px 0 0; color: #647187; font-size: 11px; font-weight: 800; letter-spacing: .19em; }
.statement h2, .section-heading h2, .approach h2, .closing h2 {
  margin: 0;
  font-size: clamp(36px, 5vw, 66px);
  line-height: 1.08;
  letter-spacing: -.052em;
}
.statement > div > p { max-width: 730px; margin: 30px 0 0; color: var(--ink-soft); font-size: 18px; }

.capabilities { padding: 110px max(24px, calc((100% - 1200px) / 2)); background: #e8eefa; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 52px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { position: relative; min-height: 430px; padding: 34px; background: rgba(255,255,255,.68); border: 1px solid rgba(16,27,43,.1); border-radius: 24px; }
.card.featured { color: white; background: var(--ink); transform: translateY(-14px); }
.card-index { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid currentColor; border-radius: 50%; font-size: 13px; font-weight: 850; opacity: .55; }
.card h3 { margin: 70px 0 14px; font-size: 28px; letter-spacing: -.035em; }
.card p { color: var(--ink-soft); }
.featured p { color: #bcc6d5; }
.card ul { margin: 32px 0 0; padding: 25px 0 0; border-top: 1px solid currentColor; list-style: none; opacity: .86; }
.card li { padding: 5px 0; font-size: 14px; }

.approach { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; padding: 120px max(24px, calc((100% - 1200px) / 2)); color: white; background: var(--ink); }
.section-number.light { color: #9eacc0; margin-bottom: 30px; }
.approach h2 { color: var(--lime); }
.approach ol { margin: 0; padding: 0; list-style: none; }
.approach li { display: grid; grid-template-columns: 54px 1fr; gap: 16px; padding: 21px 0; border-bottom: 1px solid rgba(255,255,255,.15); }
.approach li > span { color: var(--mint); font: 750 12px/1.6 monospace; }
.approach strong { font-size: 18px; }
.approach li p { margin: 5px 0 0; color: #aeb9ca; font-size: 14px; }

.closing { width: min(960px, calc(100% - 48px)); margin: 0 auto; padding: 150px 0; text-align: center; }
.closing h2 { margin-bottom: 28px; }
.closing > p:last-child { color: var(--ink-soft); font-size: 16px; letter-spacing: .08em; }

footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 32px;
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 12px;
}
.footer-brand { color: var(--ink); }

@media (max-width: 860px) {
  nav a:not(.nav-cta) { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 60px; }
  .hero-visual { width: min(420px, 82vw); margin: 70px auto 0; }
  .statement { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .card { min-height: auto; }
  .card.featured { transform: none; }
  .card h3 { margin-top: 40px; }
  .approach { grid-template-columns: 1fr; gap: 55px; }
  footer { grid-template-columns: 1fr; gap: 8px; }
}

@media (max-width: 520px) {
  .site-header, .hero, .statement, .closing, footer { width: min(100% - 32px, 1200px); }
  .site-header { padding: 18px 0; }
  .nav-cta { padding: 8px 12px; }
  .hero { min-height: auto; padding: 54px 0 80px; }
  h1 { font-size: 46px; }
  .hero-lead { font-size: 17px; }
  .hero-visual { width: 86vw; margin-top: 55px; }
  .statement, .capabilities, .approach { padding-top: 82px; padding-bottom: 82px; }
  .section-heading { display: block; }
  .section-heading .section-number { margin-bottom: 22px; }
  .card { padding: 28px; border-radius: 20px; }
  .closing { padding: 100px 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}