/*
Theme Name: FOB Cargo
Theme URI: https://fobcargo.com
Author: Ethan Geng
Description: Custom theme for FOB Cargo - Independent Freight Forwarding Specialist in China
Version: 1.0
Text Domain: fobcargo
*/

/* ===== RESET & BASE ===== */
:root {
  --ink: #1c1e23;
  --body: #404248;
  --muted: #8a8d96;
  --bg: #ffffff;
  --bg-warm: #fafaf8;
  --bg-tint: #f4f5f7;
  --primary: #1a6b5a;
  --primary-light: #e8f3f0;
  --primary-dark: #134d41;
  --accent: #d97b2f;
  --accent-light: #fef4ea;
  --border: #e5e7eb;
  --border-soft: #f0f1f3;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.06);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Outfit', sans-serif;
  color: var(--body);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; }

/* ===== NAV ===== */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft);
  padding: 0 40px; height: 64px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-brand {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem; font-weight: 500; color: var(--ink);
  letter-spacing: 0.04em; text-decoration: none;
}
.nav-brand span { color: var(--primary); }
.nav-links { display: flex; gap: 28px; list-style: none; align-items: center; }
.nav-links a {
  font-size: 0.82rem; color: var(--muted); text-decoration: none;
  font-weight: 500; letter-spacing: 0.02em;
}
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-cta {
  background: var(--primary) !important; color: #fff !important;
  padding: 8px 20px !important; font-size: 0.8rem !important;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--primary-dark) !important; }

/* ===== COMMON ===== */
.section { max-width: 1080px; margin: 0 auto; padding: 96px 40px; }
.section-label {
  font-family: 'JetBrains Mono', monospace; font-size: 0.68rem;
  font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--primary); margin-bottom: 12px;
}
h1, h2, h3 { font-family: 'Instrument Serif', serif; font-weight: 400; color: var(--ink); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 16px; line-height: 1.25; }
.section-intro {
  font-size: 1rem; color: var(--muted); max-width: 580px;
  margin-bottom: 48px; line-height: 1.7;
}
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; font-size: 0.88rem; font-weight: 600;
  text-decoration: none; transition: all 0.25s; border: none; cursor: pointer;
  font-family: 'Outfit', sans-serif;
}
.btn-fill { background: var(--primary); color: #fff; }
.btn-fill:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); color: #fff; }
.btn-ghost { color: var(--body); background: none; padding: 14px 0; font-weight: 500; }
.btn-ghost:hover { color: var(--primary); }

/* ===== HERO ===== */
.hero {
  padding: 140px 40px 100px; max-width: 1080px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 300px; gap: 64px; align-items: center;
}
.hero-text { max-width: 600px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--primary-light); color: var(--primary);
  padding: 6px 14px; font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 24px;
}
.hero-badge::before {
  content: ''; width: 6px; height: 6px;
  background: var(--primary); border-radius: 50%;
}
.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.4rem); line-height: 1.15; margin-bottom: 20px;
}
.hero h1 em { font-style: italic; color: var(--primary); }
.hero-sub { font-size: 1.05rem; line-height: 1.75; margin-bottom: 36px; font-weight: 300; }
.hero-cta-row { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.photo-frame {
  width: 260px; height: 320px; background: var(--bg-tint);
  border: 1px solid var(--border); overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.photo-frame img { width: 100%; height: 100%; object-fit: cover; }
.photo-name { margin-top: 16px; text-align: center; }
.photo-name strong { display: block; font-size: 1rem; color: var(--ink); font-weight: 600; }
.photo-name span { font-size: 0.78rem; color: var(--muted); }

/* ===== TRUST BAR ===== */
.trust-bar {
  background: var(--bg-warm); border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft); padding: 28px 40px;
}
.trust-bar-inner {
  max-width: 1080px; margin: 0 auto;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px;
}
.trust-item { display: flex; align-items: center; gap: 10px; font-size: 0.82rem; color: var(--muted); font-weight: 500; }
.trust-icon {
  width: 32px; height: 32px; background: var(--primary-light);
  display: flex; align-items: center; justify-content: center; font-size: 0.9rem;
}
.trust-item strong { color: var(--ink); }

/* ===== FOB SECTION ===== */
.fob-section { background: var(--bg-tint); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
.fob-inner { max-width: 1080px; margin: 0 auto; padding: 96px 40px; }
.fob-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.fob-narrative { font-size: 1rem; line-height: 1.85; }
.fob-narrative p + p { margin-top: 16px; }
.fob-narrative strong { color: var(--ink); font-weight: 600; }
.fob-highlight-box { background: var(--bg); border: 1px solid var(--border); padding: 32px; position: relative; }
.fob-highlight-box::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px; background: linear-gradient(90deg, var(--primary), var(--accent)); }
.fob-highlight-title { font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--primary); margin-bottom: 20px; }
.fob-points { display: flex; flex-direction: column; gap: 16px; }
.fob-point { display: flex; gap: 12px; align-items: flex-start; }
.fob-point-check { width: 22px; height: 22px; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 0.7rem; font-weight: 700; margin-top: 2px; }
.fob-point-text { font-size: 0.9rem; line-height: 1.55; }
.fob-point-text strong { color: var(--ink); }

/* ===== AGENT CARDS ===== */
.for-agents { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 8px; }
.agent-card { background: var(--bg); border: 1px solid var(--border); padding: 36px 32px; transition: all 0.3s; }
.agent-card:hover { border-color: var(--primary); box-shadow: var(--shadow-md); }
.agent-card-icon { font-size: 1.5rem; margin-bottom: 16px; }
.agent-card h3 { font-family: 'Outfit', sans-serif; font-size: 1rem; font-weight: 600; margin-bottom: 10px; }
.agent-card p { font-size: 0.88rem; color: var(--muted); line-height: 1.65; }

/* ===== SERVICES GRID ===== */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card { background: var(--bg); border: 1px solid var(--border); padding: 28px 24px; transition: all 0.3s; }
.service-card:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.service-tag { font-family: 'JetBrains Mono', monospace; font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); font-weight: 500; margin-bottom: 10px; }
.service-card h3 { font-family: 'Outfit', sans-serif; font-size: 0.95rem; font-weight: 600; margin-bottom: 8px; }
.service-card p { font-size: 0.82rem; color: var(--muted); line-height: 1.6; }

/* ===== ROUTES ===== */
.routes-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.route-card { background: var(--bg-tint); border: 1px solid var(--border-soft); padding: 24px 20px; text-align: center; transition: all 0.25s; }
.route-card:hover { border-color: var(--primary); background: var(--primary-light); }
.route-origin { font-family: 'JetBrains Mono', monospace; font-size: 0.65rem; letter-spacing: 0.1em; color: var(--muted); text-transform: uppercase; }
.route-arrow { font-size: 1.2rem; color: var(--primary); margin: 6px 0; }
.route-dest { font-weight: 600; font-size: 0.95rem; color: var(--ink); margin-bottom: 6px; }
.route-ports { font-size: 0.75rem; color: var(--muted); line-height: 1.5; }

/* ===== KNOWLEDGE PREVIEW ===== */
.knowledge-preview { background: var(--bg-warm); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
.knowledge-preview-inner { max-width: 1080px; margin: 0 auto; padding: 80px 40px; }
.knowledge-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 8px; }
.knowledge-card { background: var(--bg); border: 1px solid var(--border); padding: 28px 24px; text-decoration: none; color: inherit; transition: all 0.3s; }
.knowledge-card:hover { border-color: var(--primary); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.knowledge-card-tag { font-family: 'JetBrains Mono', monospace; font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); font-weight: 500; margin-bottom: 10px; }
.knowledge-card h3 { font-family: 'Outfit', sans-serif; font-size: 0.95rem; font-weight: 600; margin-bottom: 8px; line-height: 1.4; }
.knowledge-card p { font-size: 0.8rem; color: var(--muted); line-height: 1.6; }
.knowledge-card-read { font-size: 0.78rem; color: var(--primary); font-weight: 600; margin-top: 14px; display: block; }
.view-all-link { margin-top: 32px; text-align: center; }

/* ===== BACKED BY ===== */
.backed-banner { background: var(--ink); color: #fff; }
.backed-inner { max-width: 1080px; margin: 0 auto; padding: 80px 40px; display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.backed-banner .section-label { color: var(--accent); }
.backed-banner h2 { color: #fff; }
.backed-text { font-size: 0.95rem; color: rgba(255,255,255,0.65); line-height: 1.8; margin-top: 16px; }
.backed-text a { color: var(--accent); border-bottom: 1px solid var(--accent); }
.backed-badges { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.backed-badge { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); padding: 24px 20px; text-align: center; }
.backed-badge-value { font-family: 'Instrument Serif', serif; font-size: 1.6rem; color: #fff; margin-bottom: 4px; }
.backed-badge-label { font-size: 0.72rem; color: rgba(255,255,255,0.4); }

/* ===== CONTACT ===== */
.contact-section { border-top: 1px solid var(--border-soft); }
.contact-grid { display: grid; grid-template-columns: 1fr 400px; gap: 56px; align-items: start; }
.contact-message { font-size: 1.05rem; line-height: 1.8; font-weight: 300; }
.contact-message p + p { margin-top: 16px; }
.email-box { background: var(--bg-tint); border: 1px solid var(--border); padding: 40px; text-align: center; }
.email-box-label { font-family: 'JetBrains Mono', monospace; font-size: 0.68rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.email-box-address { font-size: 1.3rem; font-weight: 600; color: var(--primary); margin-bottom: 8px; }
.email-box-address a { color: var(--primary); }
.email-box-hint { font-size: 0.78rem; color: var(--muted); margin-bottom: 24px; }
.email-template { text-align: left; background: var(--bg); border: 1px solid var(--border); padding: 20px; font-size: 0.8rem; line-height: 1.7; margin-bottom: 24px; }
.email-template-title { font-family: 'JetBrains Mono', monospace; font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.email-template code { font-family: 'JetBrains Mono', monospace; font-size: 0.76rem; color: var(--primary); }
.other-channels { display: flex; justify-content: center; gap: 32px; padding-top: 20px; border-top: 1px solid var(--border-soft); }
.channel { display: flex; flex-direction: column; align-items: center; gap: 4px; font-size: 0.75rem; color: var(--muted); }
.channel-icon { font-size: 1.2rem; }
.channel strong { color: var(--body); font-size: 0.8rem; }

/* ===== BLOG / KNOWLEDGE LIST ===== */
.page-header { padding: 140px 40px 64px; max-width: 1080px; margin: 0 auto; }
.page-header h1 { font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: 12px; }
.page-header p { font-size: 1.05rem; color: var(--muted); max-width: 560px; line-height: 1.7; }
.articles-section { max-width: 1080px; margin: 0 auto; padding: 0 40px 96px; }
.articles-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.article-card { background: var(--bg); border: 1px solid var(--border); padding: 36px 32px; text-decoration: none; color: inherit; transition: all 0.3s; display: flex; flex-direction: column; }
.article-card:hover { border-color: var(--primary); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.article-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.article-tag { font-family: 'JetBrains Mono', monospace; font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); font-weight: 500; background: var(--accent-light); padding: 3px 8px; }
.article-date { font-size: 0.72rem; color: var(--muted); }
.article-card h2 { font-family: 'Outfit', sans-serif; font-size: 1.05rem; font-weight: 600; margin-bottom: 10px; line-height: 1.4; }
.article-card p { font-size: 0.85rem; color: var(--muted); line-height: 1.65; flex-grow: 1; }
.article-read { font-size: 0.8rem; color: var(--primary); font-weight: 600; margin-top: 18px; }

/* ===== SINGLE ARTICLE ===== */
.article-header { padding: 140px 40px 48px; max-width: 760px; margin: 0 auto; }
.article-back { font-size: 0.8rem; color: var(--muted); text-decoration: none; font-weight: 500; margin-bottom: 32px; display: inline-block; }
.article-back:hover { color: var(--primary); }
.article-header h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1.2; margin-bottom: 16px; }
.article-excerpt { font-size: 1.1rem; color: var(--muted); line-height: 1.7; font-weight: 300; margin-bottom: 24px; }
.article-author { display: flex; align-items: center; gap: 12px; padding-top: 24px; border-top: 1px solid var(--border-soft); }
.article-author-avatar { width: 40px; height: 40px; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.85rem; }
.article-author-info { font-size: 0.82rem; color: var(--muted); }
.article-author-info strong { color: var(--ink); display: block; }

.article-body { max-width: 760px; margin: 0 auto; padding: 48px 40px 96px; }
.article-body h2 { font-size: 1.5rem; margin-top: 56px; margin-bottom: 16px; }
.article-body h3 { font-family: 'Outfit', sans-serif; font-size: 1.05rem; font-weight: 600; margin-top: 36px; margin-bottom: 12px; }
.article-body p { font-size: 1rem; line-height: 1.85; margin-bottom: 16px; }
.article-body strong { color: var(--ink); font-weight: 600; }
.article-body ul, .article-body ol { margin: 16px 0; padding-left: 24px; }
.article-body li { margin-bottom: 8px; font-size: 1rem; line-height: 1.75; }

.article-cta { background: var(--bg-tint); border: 1px solid var(--border); padding: 40px; margin-top: 56px; text-align: center; }
.article-cta h3 { font-size: 1.4rem; margin-bottom: 12px; margin-top: 0; }
.article-cta p { font-size: 0.92rem; color: var(--muted); margin-bottom: 24px; max-width: 480px; margin-left: auto; margin-right: auto; }

/* ===== FOOTER ===== */
.site-footer {
  background: var(--bg-warm); border-top: 1px solid var(--border-soft);
  padding: 40px; text-align: center; font-size: 0.76rem; color: var(--muted);
}
.site-footer a { color: var(--body); text-decoration: none; }
.site-footer p + p { margin-top: 6px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .site-nav { padding: 0 20px; }
  .section, .fob-inner { padding: 64px 24px; }
  .hero { grid-template-columns: 1fr; gap: 40px; padding: 120px 24px 60px; }
  .hero-photo { order: -1; }
  .photo-frame { width: 180px; height: 220px; }
  .fob-grid, .for-agents { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .routes-grid { grid-template-columns: 1fr 1fr; }
  .backed-inner { grid-template-columns: 1fr; padding: 60px 24px; }
  .contact-grid { grid-template-columns: 1fr; }
  .trust-bar { padding: 20px 24px; }
  .trust-bar-inner { justify-content: center; }
  .knowledge-cards { grid-template-columns: 1fr; }
  .knowledge-preview-inner { padding: 60px 24px; }
  .articles-grid { grid-template-columns: 1fr; }
  .page-header { padding: 120px 24px 48px; }
  .articles-section { padding: 0 24px 64px; }
  .article-header { padding: 120px 24px 40px; }
  .article-body { padding: 40px 24px 64px; }
}
@media (max-width: 560px) {
  .nav-links { display: none; }
  .services-grid, .routes-grid, .backed-badges { grid-template-columns: 1fr; }
  .other-channels { flex-direction: column; align-items: center; }
}