/* ScopeShip landing — indigo/teal on white, zero-build */
:root {
  --indigo: #4f46e5;
  --indigo-dark: #3730a3;
  --teal: #0d9488;
  --teal-soft: #ccfbf1;
  --ink: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --card: #ffffff;
  --danger-soft: #fef2f2;
  --danger: #b91c1c;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 8px 24px rgba(15, 23, 42, 0.06);
  --max: 960px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--indigo); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
  gap: 1rem;
}
.logo {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
  font-size: 1.1rem;
}
.logo span { color: var(--indigo); }
.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
  font-size: 0.9rem;
}
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--indigo); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none !important;
  transition: background 0.15s, color 0.15s, border-color 0.15s, box-shadow 0.15s;
}
.btn-primary {
  background: var(--indigo);
  color: #fff;
  box-shadow: 0 6px 16px rgba(79, 70, 229, 0.28);
}
.btn-primary:hover { background: var(--indigo-dark); }
.btn-secondary {
  background: #fff;
  color: var(--ink);
  border-color: var(--line);
}
.btn-secondary:hover { border-color: var(--indigo); color: var(--indigo); }
.btn-sm { padding: 0.45rem 0.9rem; font-size: 0.85rem; }

/* Hero */
.hero {
  padding: 3.25rem 0 2.5rem;
  background:
    radial-gradient(ellipse 80% 60% at 90% -10%, rgba(79,70,229,0.12), transparent 55%),
    radial-gradient(ellipse 60% 50% at 0% 20%, rgba(13,148,136,0.1), transparent 50%),
    var(--bg);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--teal);
  background: var(--teal-soft);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}
.hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2rem, 5vw, 2.75rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.hero .tagline {
  margin: 0 0 0.35rem;
  font-size: clamp(1.15rem, 2.5vw, 1.35rem);
  font-weight: 600;
  color: var(--ink);
}
.hero .tagline-sub {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 1.05rem;
}
.hero .zh-short {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 0.95rem;
  border-left: 3px solid var(--teal);
  padding-left: 0.85rem;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}
.cta-note {
  margin-top: 0.85rem;
  font-size: 0.85rem;
  color: var(--muted);
}

/* Sections */
section {
  padding: 3rem 0;
  border-top: 1px solid var(--line);
}
section.soft { background: var(--bg-soft); }
.section-head {
  margin-bottom: 1.5rem;
}
.section-head h2 {
  margin: 0 0 0.35rem;
  font-size: clamp(1.4rem, 3vw, 1.75rem);
  letter-spacing: -0.02em;
}
.zh-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Packages */
.packages {
  display: grid;
  gap: 1rem;
}
@media (min-width: 720px) {
  .packages { grid-template-columns: 1fr 1fr; }
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.card-num {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--indigo);
}
.card h3 {
  margin: 0;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}
.card .zh-short {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}
.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.75rem;
  font-size: 0.88rem;
}
.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: #eef2ff;
  color: var(--indigo-dark);
  font-weight: 600;
  font-size: 0.8rem;
}
.pill.teal { background: var(--teal-soft); color: #0f766e; }
.tiers {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  font-size: 0.82rem;
}
.tiers li {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.25rem 0.5rem;
  color: var(--muted);
}
.tiers strong { color: var(--ink); }
.io {
  font-size: 0.88rem;
  color: var(--muted);
}
.io strong { color: var(--ink); font-weight: 600; }
.io .out { color: #64748b; }

/* DoD checklist */
.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}
.checklist li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.65rem;
  align-items: start;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.85rem 1rem;
}
.check {
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 6px;
  border: 2px solid var(--teal);
  background: #f0fdfa;
  flex-shrink: 0;
  margin-top: 0.1rem;
  position: relative;
}
.check::after {
  content: "";
  position: absolute;
  left: 3px; top: 0px;
  width: 5px; height: 9px;
  border: solid var(--teal);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.checklist .en { font-weight: 500; }
.checklist .zh { display: block; font-size: 0.85rem; color: var(--muted); margin-top: 0.15rem; }

/* Flow */
.flow-figure {
  margin: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}
.flow-figure img {
  width: 100%;
  border-radius: 8px;
  background: #f1f5f9;
}
.flow-figure figcaption {
  margin-top: 0.85rem;
  font-size: 0.88rem;
  color: var(--muted);
}

/* Red lines */
.redlines {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}
.redlines li {
  background: var(--danger-soft);
  border: 1px solid #fecaca;
  border-left: 4px solid var(--danger);
  border-radius: 12px;
  padding: 1rem 1.1rem;
}
.redlines .n {
  font-weight: 700;
  color: var(--danger);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.redlines .en { margin: 0.25rem 0 0; font-weight: 500; }
.redlines .zh { margin: 0.3rem 0 0; font-size: 0.9rem; color: #7f1d1d; }

/* Explicit outs */
.outs {
  display: grid;
  gap: 0.55rem;
}
@media (min-width: 640px) {
  .outs { grid-template-columns: 1fr 1fr; }
}
.out-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.9rem 1rem;
}
.out-item .en { font-weight: 500; margin: 0; }
.out-item .zh { margin: 0.25rem 0 0; font-size: 0.88rem; color: var(--muted); }

/* CTA band */
.cta-band {
  background:
    linear-gradient(135deg, #312e81 0%, #4f46e5 45%, #0d9488 100%);
  color: #fff;
  border-top: none;
  border-radius: 0;
  margin: 0;
  padding: 3rem 0;
}
.cta-band .wrap {
  text-align: center;
}
.cta-band h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  letter-spacing: -0.02em;
}
.cta-band .zh-label { color: rgba(255,255,255,0.85); }
.cta-band p.lead {
  margin: 0.75rem auto 0;
  max-width: 36rem;
  color: rgba(255,255,255,0.9);
}
.cta-band .cta-row {
  justify-content: center;
  margin-top: 1.5rem;
}
.cta-band .btn-primary {
  background: #fff;
  color: var(--indigo-dark);
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}
.cta-band .btn-primary:hover { background: #eef2ff; }
.cta-band .btn-secondary {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.45);
}
.cta-band .btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
  color: #fff;
}
.cta-band .contact-links {
  margin-top: 1.25rem;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.85);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  justify-content: center;
}
.cta-band .contact-links a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Footer */
.site-footer {
  padding: 1.75rem 0 2.25rem;
  border-top: 1px solid var(--line);
  font-size: 0.88rem;
  color: var(--muted);
  text-align: center;
}
.site-footer .en { margin: 0 0 0.25rem; color: var(--ink); font-weight: 500; }
.site-footer .zh { margin: 0; }

@media (max-width: 520px) {
  .nav .hide-sm { display: none; }
}