/* PearlSource — Guangdong Sourcing Agent
   Style: clean B2B, deep navy + amber accent */

:root {
  --navy: #0a2540;
  --navy-2: #13315c;
  --amber: #d4a853;
  --amber-dark: #b8923f;
  --bg: #ffffff;
  --bg-soft: #f7f8fa;
  --bg-tint: #eef2f7;
  --text: #1a2332;
  --text-mute: #5b6b80;
  --border: #e3e8ef;
  --green: #2e7d52;
  --red: #c0392b;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Nav ---------- */
.nav {
  background: var(--navy);
  color: #fff;
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  letter-spacing: 0.5px;
}
.logo span { color: var(--amber); }
.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  color: #c9d4e3;
  text-decoration: none;
  font-size: 15px;
  transition: color 0.2s;
}
.nav-links a:hover { color: #fff; }
.nav-cta {
  background: var(--amber);
  color: var(--navy) !important;
  padding: 8px 18px;
  border-radius: 4px;
  font-weight: 600;
}
.nav-cta:hover { background: var(--amber-dark); }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff;
  padding: 80px 0 100px;
}
.hero h1 {
  font-size: 48px;
  line-height: 1.15;
  font-weight: 800;
  max-width: 820px;
  margin-bottom: 20px;
}
.hero h1 em {
  color: var(--amber);
  font-style: normal;
}
.hero p.lead {
  font-size: 19px;
  color: #c9d4e3;
  max-width: 720px;
  margin-bottom: 36px;
}
.hero-stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}
.hero-stat .num {
  font-size: 36px;
  font-weight: 800;
  color: var(--amber);
  display: block;
  line-height: 1.1;
}
.hero-stat .label {
  font-size: 14px;
  color: #c9d4e3;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}
.btn-primary {
  background: var(--amber);
  color: var(--navy);
}
.btn-primary:hover { background: var(--amber-dark); transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.4);
  margin-left: 12px;
}
.btn-outline:hover { border-color: #fff; }
.btn-ghost {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}
.btn-ghost:hover { background: var(--navy); color: #fff; }

/* ---------- Sections ---------- */
section { padding: 80px 0; }
section.alt { background: var(--bg-soft); }
section.tint { background: var(--bg-tint); }

.section-label {
  color: var(--amber);
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}
h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 16px;
  line-height: 1.2;
}
h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}
.section-lead {
  font-size: 18px;
  color: var(--text-mute);
  max-width: 720px;
  margin-bottom: 48px;
}

/* ---------- Feature cards ---------- */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px;
}
.card .icon {
  font-size: 32px;
  margin-bottom: 16px;
}
.card p { color: var(--text-mute); font-size: 15px; }

/* ---------- Cities ---------- */
.city-card {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  min-height: 280px;
  padding: 32px;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: linear-gradient(180deg, rgba(10,37,64,0.3) 0%, rgba(10,37,64,0.9) 100%), var(--navy-2);
}
.city-card h3 { color: #fff; font-size: 26px; }
.city-card .desc { color: #c9d4e3; font-size: 14px; }
.city-card .tags { margin-top: 12px; }
.city-card .tag {
  display: inline-block;
  background: rgba(212,168,83,0.2);
  color: var(--amber);
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  margin-right: 6px;
  margin-top: 6px;
}

/* ---------- Steps ---------- */
.step {
  text-align: left;
  padding: 24px;
}
.step .step-num {
  display: inline-block;
  width: 40px;
  height: 40px;
  line-height: 40px;
  border-radius: 50%;
  background: var(--amber);
  color: var(--navy);
  font-weight: 800;
  text-align: center;
  margin-bottom: 16px;
}

/* ---------- Comparison table ---------- */
.compare {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.compare th, .compare td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.compare thead th {
  background: var(--navy);
  color: #fff;
  font-weight: 700;
}
.compare thead th.us { background: var(--amber); color: var(--navy); }
.compare td.us { background: #fdf8ee; font-weight: 500; }
.compare .yes { color: var(--green); font-weight: 700; }
.compare .no { color: var(--red); font-weight: 700; }

/* ---------- Pricing ---------- */
.price-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
  text-align: center;
}
.price-card.featured {
  border: 2px solid var(--amber);
  position: relative;
}
.price-card .badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--amber);
  color: var(--navy);
  padding: 4px 14px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 700;
}
.price-card .price {
  font-size: 40px;
  font-weight: 800;
  color: var(--navy);
  margin: 12px 0;
}
.price-card .price small { font-size: 16px; color: var(--text-mute); font-weight: 400; }
.price-card ul {
  list-style: none;
  text-align: left;
  margin: 20px 0;
}
.price-card li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  color: var(--text-mute);
}
.price-card li:before { content: "✓ "; color: var(--green); font-weight: 700; }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--navy);
  color: #fff;
  padding: 60px 0;
  text-align: center;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: #c9d4e3; margin-bottom: 28px; }

/* ---------- Form ---------- */
.form-wrap {
  max-width: 680px;
  margin: 0 auto;
  background: #fff;
  padding: 40px;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 14px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 15px;
  font-family: inherit;
}
.form-group textarea { min-height: 100px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ---------- Footer ---------- */
footer {
  background: var(--navy);
  color: #c9d4e3;
  padding: 48px 0 24px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
footer h4 { color: #fff; margin-bottom: 12px; font-size: 15px; }
footer a { color: #c9d4e3; text-decoration: none; display: block; padding: 4px 0; }
footer a:hover { color: var(--amber); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 13px;
  color: #8a9bb3;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .hero h1 { font-size: 34px; }
  .nav-links { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
}