/* Northbay Trading Co., Ltd. — site stylesheet */

:root {
  --navy: #17324d;
  --navy-dark: #102539;
  --ink: #1f2933;
  --muted: #5b6b7a;
  --line: #dfe5eb;
  --bg: #ffffff;
  --bg-soft: #f5f7f9;
  --accent: #a8813a;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
}

a { color: #2a5d8f; text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; }

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- header ---------- */

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 24px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--navy);
  text-decoration: none;
}

.brand:hover { text-decoration: none; }

.brand-mark {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
}

.brand-text { line-height: 1.15; }

.brand-name {
  display: block;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.brand-sub {
  display: block;
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  gap: 26px;
  flex-wrap: wrap;
}

.site-nav a {
  font-size: 14px;
  color: var(--ink);
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover { color: var(--navy); text-decoration: none; }

.site-nav a.active {
  color: var(--navy);
  border-bottom-color: var(--navy);
  font-weight: 600;
}

/* ---------- hero ---------- */

.hero {
  background: linear-gradient(135deg, #17324d 0%, #24506f 55%, #2d6485 100%);
  color: #ffffff;
  padding: 72px 0 64px;
}

.hero h1 {
  font-size: 34px;
  line-height: 1.3;
  margin: 0 0 18px;
  font-weight: 700;
  max-width: 720px;
}

.hero p {
  font-size: 16px;
  margin: 0 0 28px;
  max-width: 620px;
  color: #d8e3ec;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 3px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: #ffffff;
  color: var(--navy);
}

.btn-primary:hover { background: #eef3f7; text-decoration: none; }

.btn-ghost {
  border-color: rgba(255,255,255,0.55);
  color: #ffffff;
}

.btn-ghost:hover { background: rgba(255,255,255,0.12); text-decoration: none; }

/* ---------- sections ---------- */

.section { padding: 56px 0; }

.section.soft { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.section-head { margin-bottom: 32px; }

.section-head h2 {
  font-size: 24px;
  margin: 0 0 8px;
  color: var(--navy);
  font-weight: 700;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  max-width: 680px;
}

.eyebrow {
  display: block;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 10px;
}

/* ---------- cards ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 24px;
  background: #ffffff;
}

.card h3 {
  font-size: 16px;
  margin: 14px 0 8px;
  color: var(--navy);
}

.card p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

.card-figure {
  height: 96px;
  border-radius: 3px;
  background: var(--bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- stats ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 18px;
  border-top: 1px solid var(--line);
  padding-top: 34px;
  margin-top: 40px;
}

.stat-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
}

.stat-label {
  font-size: 13px;
  color: var(--muted);
}

/* ---------- content page ---------- */

.page-head {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
  padding: 46px 0 40px;
}

.page-head h1 {
  margin: 0 0 10px;
  font-size: 28px;
  color: var(--navy);
}

.page-head p {
  margin: 0;
  color: var(--muted);
  max-width: 700px;
  font-size: 15px;
}

.prose h2 {
  font-size: 20px;
  color: var(--navy);
  margin: 34px 0 12px;
}

.prose h2:first-child { margin-top: 0; }

.prose p { margin: 0 0 14px; color: #33414f; }

.prose ul { margin: 0 0 16px; padding-left: 22px; color: #33414f; }
.prose li { margin-bottom: 7px; }

table.info {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 0 0 20px;
}

table.info th,
table.info td {
  border: 1px solid var(--line);
  padding: 10px 13px;
  text-align: left;
  vertical-align: top;
}

table.info th {
  background: var(--bg-soft);
  color: var(--navy);
  font-weight: 600;
  width: 34%;
}

/* ---------- contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
}

.contact-list { list-style: none; margin: 0; padding: 0; }

.contact-list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}

.contact-list li:first-child { padding-top: 0; }

.contact-list .k {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}

.note {
  background: var(--bg-soft);
  border-left: 3px solid var(--accent);
  padding: 16px 18px;
  font-size: 14px;
  color: var(--muted);
}

/* ---------- footer ---------- */

.site-footer {
  background: var(--navy-dark);
  color: #9fb0c0;
  padding: 40px 0 32px;
  font-size: 13px;
  margin-top: 0;
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}

.site-footer a { color: #cfdae4; }

.footer-cols {
  display: flex;
  gap: 56px;
  flex-wrap: wrap;
}

.footer-cols h4 {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #7f94a6;
  margin: 0 0 10px;
  font-weight: 600;
}

.footer-cols ul { list-style: none; margin: 0; padding: 0; }
.footer-cols li { margin-bottom: 7px; }

.copyright {
  border-top: 1px solid rgba(255,255,255,0.12);
  margin-top: 30px;
  padding-top: 20px;
  font-size: 12px;
  color: #7f94a6;
}

/* ---------- responsive ---------- */

@media (max-width: 760px) {
  .hero { padding: 52px 0 46px; }
  .hero h1 { font-size: 26px; }
  .contact-grid { grid-template-columns: 1fr; gap: 28px; }
  .site-nav { gap: 18px; }
  .section { padding: 42px 0; }
  .footer-cols { gap: 32px; }
}