/* ============================================================
   MEILS – REFERENCE PAGES (containers, glossary, incoterms, ports)
============================================================ */

/* ── Hero (shared) ── */
.ref-hero {
  background: linear-gradient(135deg, var(--teal-dark) 0%, var(--teal-mid) 55%, #1a8080 100%);
  padding: 120px 0 64px; position: relative; overflow: hidden;
}
.ref-hero-overlay {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 40%, rgba(62,201,110,.13) 0%, transparent 60%);
}
.ref-hero-content { position: relative; z-index: 1; max-width: 680px; }
.ref-hero-content h1 {
  font-size: 2.6rem; font-weight: 800; color: #fff; line-height: 1.2; margin: 14px 0 14px;
}
.ref-hero-sub { font-size: 1rem; color: rgba(255,255,255,.82); line-height: 1.7; }
.ref-hero-meta {
  display: flex; gap: 20px; flex-wrap: wrap; margin-top: 20px;
}
.ref-hero-meta span {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: .8rem; color: rgba(255,255,255,.75); font-weight: 500;
}
.ref-hero-meta i { color: var(--green-bright); }

/* ── Shared layout ── */
.ref-body { padding: 56px 0 80px; background: var(--gray-bg); }
.ref-container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ── Search / filter bar ── */
.ref-search-bar {
  display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
  margin-bottom: 32px;
}
.ref-search-input {
  flex: 1; min-width: 220px; padding: 10px 16px;
  border: 1.5px solid var(--gray-border); border-radius: 8px;
  font-size: .88rem; background: #fff; color: var(--text-dark);
  outline: none; transition: border-color .18s;
}
.ref-search-input:focus { border-color: var(--teal-mid); }
.ref-filter-btn {
  padding: 9px 18px; border-radius: 999px;
  border: 1.5px solid var(--gray-border); background: #fff;
  color: var(--text-muted); font-size: .8rem; font-weight: 600;
  cursor: pointer; transition: all .18s;
}
.ref-filter-btn:hover  { border-color: var(--cta-orange); color: var(--cta-orange); }
.ref-filter-btn.active { background: var(--cta-orange); border-color: var(--cta-orange); color: #fff; }

/* ── Table ── */
.ref-table-wrap {
  background: #fff; border: 1.5px solid var(--gray-border);
  border-radius: var(--radius); overflow: hidden;
}
.ref-table {
  width: 100%; border-collapse: collapse; font-size: .85rem;
}
.ref-table thead th {
  background: var(--teal-dark); color: #fff;
  padding: 14px 16px; text-align: left; font-size: .78rem;
  font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  white-space: nowrap;
}
.ref-table tbody tr { border-bottom: 1px solid var(--gray-border); }
.ref-table tbody tr:last-child { border-bottom: none; }
.ref-table tbody tr:hover { background: rgba(15,94,94,.03); }
.ref-table tbody td { padding: 13px 16px; color: var(--text-dark); line-height: 1.5; }
.ref-table tbody td:first-child { font-weight: 700; color: var(--teal-mid); }
.ref-table .ref-tag {
  display: inline-flex; align-items: center;
  font-size: .68rem; font-weight: 700; letter-spacing: .05em;
  text-transform: uppercase; padding: 3px 9px; border-radius: 999px;
  white-space: nowrap;
}
.ref-tag-dry   { background: rgba(15,94,94,.1);  color: var(--teal-dark); }
.ref-tag-reefer{ background: rgba(59,130,246,.1); color: #1d4ed8; }
.ref-tag-open  { background: rgba(245,158,11,.1); color: #92400e; }
.ref-tag-flat  { background: rgba(239,68,68,.1);  color: #991b1b; }
.ref-tag-tank  { background: rgba(139,92,246,.1); color: #5b21b6; }
.ref-tag-bulk  { background: rgba(0,125,136,.1); color: var(--teal-mid); }

/* ── Section label ── */
.ref-section-label {
  display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--teal-mid);
  background: rgba(15,94,94,.08); padding: 4px 12px;
  border-radius: 999px; margin-bottom: 14px;
}
.ref-section-title {
  font-size: 1.4rem; font-weight: 800; color: var(--text-dark); margin-bottom: 8px;
}
.ref-section-desc {
  font-size: .88rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 28px;
}

/* ── Glossary cards ── */
.ref-alpha-bar {
  display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 28px;
}
.ref-alpha-btn {
  width: 34px; height: 34px; border-radius: 8px;
  border: 1.5px solid var(--gray-border); background: #fff;
  font-size: .8rem; font-weight: 700; color: var(--text-muted);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all .15s;
}
.ref-alpha-btn:hover  { border-color: var(--teal-mid); color: var(--teal-mid); }
.ref-alpha-btn.active { background: var(--teal-mid); border-color: var(--teal-mid); color: #fff; }
.ref-alpha-btn.disabled { opacity: .35; cursor: default; pointer-events: none; }

.ref-gloss-group { margin-bottom: 36px; }
.ref-gloss-letter {
  font-size: 1.5rem; font-weight: 800; color: var(--teal-mid);
  border-bottom: 2px solid var(--gray-border); padding-bottom: 8px;
  margin-bottom: 16px;
}
.ref-gloss-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.ref-gloss-card {
  background: #fff; border: 1.5px solid var(--gray-border);
  border-radius: var(--radius); padding: 16px 18px;
  transition: border-color .15s, box-shadow .15s;
}
.ref-gloss-card:hover { border-color: var(--teal-mid); box-shadow: var(--shadow); }
.ref-gloss-card dt { font-size: .88rem; font-weight: 700; color: var(--text-dark); margin-bottom: 5px; }
.ref-gloss-card dd { font-size: .8rem; color: var(--text-muted); line-height: 1.7; margin: 0; }

/* ── Incoterms cards ── */
.ref-inco-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.ref-inco-card {
  background: #fff; border: 1.5px solid var(--gray-border);
  border-radius: var(--radius); padding: 20px 18px;
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color .15s, box-shadow .15s, transform .15s;
}
.ref-inco-card:hover { border-color: var(--teal-mid); box-shadow: var(--shadow); transform: translateY(-2px); }
.ref-inco-code {
  font-size: 1.6rem; font-weight: 800; color: var(--teal-mid); line-height: 1;
}
.ref-inco-name { font-size: .82rem; font-weight: 700; color: var(--text-dark); }
.ref-inco-desc { font-size: .78rem; color: var(--text-muted); line-height: 1.65; flex: 1; }
.ref-inco-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.ref-inco-tag {
  font-size: .65rem; font-weight: 700; letter-spacing: .05em;
  text-transform: uppercase; padding: 3px 8px; border-radius: 999px;
}
.ref-inco-sea  { background: rgba(59,130,246,.1);  color: #1d4ed8; }
.ref-inco-air  { background: rgba(139,92,246,.1);  color: #5b21b6; }
.ref-inco-road { background: rgba(245,158,11,.1);  color: #92400e; }
.ref-inco-any  { background: rgba(15,94,94,.1);    color: var(--teal-dark); }

/* ── Responsibility bar ── */
.ref-resp-bar {
  display: flex; height: 8px; border-radius: 999px; overflow: hidden;
  background: var(--gray-border); margin-top: 4px;
}
.ref-resp-seller { background: var(--teal-mid); }
.ref-resp-buyer  { background: var(--green); }

/* ── Port codes ── */
.ref-port-count {
  font-size: .82rem; color: var(--text-muted); margin-bottom: 20px;
}
.ref-port-count strong { color: var(--teal-mid); }

/* ── No-results ── */
.ref-no-results {
  text-align: center; padding: 48px 0; color: var(--text-muted);
  font-size: .9rem; display: none;
}
.ref-no-results i { font-size: 2rem; color: var(--gray-border); display: block; margin-bottom: 12px; }

/* ── Related refs strip ── */
.ref-related {
  background: #fff; border-top: 1px solid var(--gray-border);
  padding: 40px 0;
}
.ref-related-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
}
.ref-related h3 { font-size: 1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 16px; }
.ref-related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.ref-related-card {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px; border: 1.5px solid var(--gray-border);
  border-radius: var(--radius); background: var(--gray-bg);
  text-decoration: none; color: var(--text-dark);
  transition: border-color .15s, background .15s;
}
.ref-related-card:hover { border-color: var(--teal-mid); background: #fff; }
.ref-related-card i { color: var(--teal-mid); font-size: 1.1rem; width: 20px; }
.ref-related-card span { font-size: .82rem; font-weight: 600; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .ref-inco-grid  { grid-template-columns: repeat(2, 1fr); }
  .ref-related-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .ref-hero-content h1 { font-size: 2rem; }
  .ref-gloss-grid   { grid-template-columns: 1fr; }
  .ref-inco-grid    { grid-template-columns: 1fr; }
  .ref-related-grid { grid-template-columns: 1fr; }
  .ref-table { font-size: .78rem; }
  .ref-table tbody td, .ref-table thead th { padding: 10px 10px; }
}