/* Globusitrade — Cotizador de Exportación
 * Identidad corporativa: corporate_identity/brand_summary.md
 * Navy #142C42 · Ink #22303B · Terracota #C1663D · Oro #A9822E · Crema #F3ECDC · Arena #D9CDB0
 */

:root {
  --navy: #142C42;
  --ink: #22303B;
  --terracotta: #C1663D;
  --terracotta-dark: #9C4C2A;
  --gold: #A9822E;
  --gold-light: #C6A052;
  --gold-dark: #7A5C1F;
  --cream: #F3ECDC;
  --sand: #D9CDB0;

  --primary: var(--navy);
  --primary-2: var(--terracotta);
  --primary-soft: #F8F4EA;
  --bg: var(--cream);
  --surface: #fff;
  --text: var(--ink);
  --muted: #5E6A73;
  --border: var(--sand);
  --border-strong: #CBBD99;
  --danger: #B42318;
  --danger-soft: #FDECEA;
  --warn: var(--gold-dark);
  --warn-soft: #F7EBCB;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(20, 44, 66, .06), 0 4px 16px rgba(20, 44, 66, .07);
  --font: "Work Sans", system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", Arial, "Liberation Sans", "DejaVu Sans", sans-serif;
  --font-serif: "Fraunces", Georgia, "Times New Roman", "DejaVu Serif", serif;
  --font-logo: "Poppins", Arial, "Liberation Sans", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
}

a { color: var(--primary-2); }

.container { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.hidden { display: none !important; }
.print-header, .print-footer { display: none; }
.muted { color: var(--muted); }

/* ---------- Header / footer ---------- */
.site-header {
  background: #fff;
  border-bottom: 3px solid var(--gold);
  box-shadow: 0 2px 10px rgba(20, 44, 66, .06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-logo { width: 46px; height: auto; display: block; }
.wordmark { font-family: var(--font-logo); font-weight: 600; font-size: 23px; letter-spacing: -.01em; color: var(--navy); line-height: 1; }
.wordmark i { font-style: normal; color: var(--terracotta); }
.header-tag {
  font-family: var(--font-serif); font-size: 15px; color: var(--navy);
  padding-left: 14px; border-left: 1px solid var(--sand);
}

.site-footer { margin-top: 56px; background: var(--navy); color: var(--cream); font-size: 13px; }
.site-footer a { color: var(--gold-light); text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.footer-inner { display: grid; grid-template-columns: 1.2fr 1fr 1.4fr; gap: 24px 40px; padding: 36px 20px 28px; }
.footer-brand { display: flex; flex-direction: column; gap: 10px; }
.footer-brand .brand { color: var(--cream); }
.footer-brand .wordmark { color: var(--cream); font-size: 21px; }
.footer-tagline { margin: 0; font-family: var(--font-serif); font-size: 15px; color: var(--cream); }
.footer-title { margin: 0 0 8px; font-size: 11px; text-transform: uppercase; letter-spacing: .1em; color: var(--gold-light); font-weight: 600; }
.footer-col p { margin: 0 0 4px; opacity: .9; }
.footer-bottom { border-top: 1px solid rgba(243, 236, 220, .15); }
.footer-bottom .container { padding-top: 14px; padding-bottom: 16px; font-size: 12px; opacity: .75; }

/* ---------- Intro ---------- */
.intro { padding: 32px 0 12px; }
.intro h1 { margin: 0 0 6px; color: var(--primary); font-family: var(--font-serif); font-weight: 600; font-size: 32px; letter-spacing: -.01em; }
.intro h1 em { font-style: normal; color: var(--terracotta); }
.intro p { margin: 0; color: var(--muted); max-width: 760px; }

/* ---------- Cards / fieldsets ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin: 20px 0;
}

fieldset { border: 0; padding: 0; margin: 0 0 28px; min-width: 0; }
fieldset:last-of-type { margin-bottom: 16px; }
legend {
  display: flex; align-items: center; gap: 10px;
  width: 100%; padding: 0 0 10px; margin-bottom: 14px;
  font-family: var(--font-serif); font-weight: 600; font-size: 19px; color: var(--primary);
  border-bottom: 1px solid var(--sand);
}
.step {
  display: inline-grid; place-items: center;
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--terracotta); color: #fff; font-family: var(--font); font-size: 13px; font-weight: 600;
}

/* ---------- Grid ---------- */
.grid { display: grid; gap: 14px 18px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.span-2 { grid-column: span 2; }
.grid-2 .span-2 { grid-column: 1 / -1; }

/* ---------- Fields ---------- */
.field { display: flex; flex-direction: column; gap: 5px; font-size: 13px; font-weight: 600; color: var(--text); }
.field small { font-weight: 400; color: var(--muted); font-size: 12px; }
.req { color: var(--danger); }

input, select, textarea {
  width: 100%;
  font: inherit; font-size: 14px; font-weight: 400;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--border-strong);
  border-radius: 7px;
  padding: 9px 11px;
  transition: border-color .15s, box-shadow .15s;
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary-2);
  box-shadow: 0 0 0 3px rgba(193, 102, 61, .18);
}
select:disabled { background: #F6F2E8; color: var(--muted); }
.invalid { border-color: var(--danger) !important; background: var(--danger-soft); }

/* ---------- Orígenes ---------- */
.origins { display: grid; gap: 14px; margin-top: 16px; }
.origin {
  border: 1px dashed var(--border-strong);
  border-left: 4px solid var(--primary-2);
  border-radius: 8px;
  padding: 14px 16px 16px;
  background: #FCFAF5;
}
.origin h3 { margin: 0 0 10px; font-size: 14px; color: var(--primary-2); text-transform: uppercase; letter-spacing: .05em; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font: inherit; font-size: 14px; font-weight: 600;
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s, color .15s, border-color .15s, transform .05s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .6; cursor: progress; }
.btn-lg { padding: 13px 26px; font-size: 16px; }
.btn-primary { background: var(--terracotta); color: #fff; }
.btn-primary:hover { background: var(--terracotta-dark); }
.btn-secondary { background: var(--navy); color: #fff; }
.btn-secondary:hover { background: #0C1D2D; }
.btn-outline { background: #fff; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary-soft); }
.btn-ghost { background: transparent; color: var(--muted); border-color: var(--border); }
.btn-ghost:hover { color: var(--text); background: #fff; }

.form-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

/* ---------- Alerts ---------- */
.alert { border-radius: 8px; padding: 12px 16px; margin: 0 0 16px; font-size: 14px; }
.alert p { margin: 0; font-weight: 600; }
.alert ul { margin: 6px 0 0; padding-left: 20px; }
.alert-error { background: var(--danger-soft); color: var(--danger); border: 1px solid #f5c2bd; }
.alert-warn { background: var(--warn-soft); color: var(--warn); border: 1px solid var(--gold-light); }

/* ---------- Loading ---------- */
.loading { display: flex; align-items: center; gap: 18px; }
.loading-title { margin: 0; font-family: var(--font-serif); font-weight: 600; color: var(--primary); }
.loading-msg { margin: 2px 0 0; color: var(--muted); font-size: 14px; }
.spinner {
  flex: 0 0 auto;
  width: 40px; height: 40px;
  border: 4px solid var(--primary-soft);
  border-top-color: var(--primary-2);
  border-radius: 50%;
  animation: spin .9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation-duration: 3s; } }

/* ---------- Form collapsed after result ---------- */
form.collapsed { display: none; }

/* ---------- Result toolbar ---------- */
.result-toolbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  position: sticky; top: 8px; z-index: 5;
  padding: 14px 18px;
}
.result-toolbar small { display: block; font-size: 12px; }
.ref-label { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.toolbar-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- Markdown report ---------- */
.report { padding: 32px 36px; overflow-wrap: anywhere; }
.markdown-body h1 { color: var(--primary); font-family: var(--font-serif); font-weight: 600; font-size: 26px; margin: 0 0 8px; line-height: 1.25; }
.markdown-body h2 {
  color: var(--primary); font-family: var(--font-serif); font-weight: 600; font-size: 20px;
  margin: 32px 0 12px; padding-bottom: 6px;
  border-bottom: 2px solid var(--gold);
}
.markdown-body h3 { color: var(--terracotta-dark); font-size: 16px; margin: 20px 0 8px; }
.markdown-body p, .markdown-body li { font-size: 14.5px; }
.markdown-body ul, .markdown-body ol { padding-left: 22px; }
.markdown-body li { margin: 3px 0; }
.markdown-body li input[type="checkbox"] { width: auto; margin-right: 6px; }
.markdown-body code { background: var(--primary-soft); padding: 1px 5px; border-radius: 4px; font-size: .92em; }
.markdown-body blockquote { margin: 12px 0; padding: 8px 14px; border-left: 4px solid var(--primary-2); background: var(--primary-soft); }
.table-wrap { overflow-x: auto; margin: 12px 0; -webkit-overflow-scrolling: touch; }
.markdown-body table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.markdown-body th {
  background: var(--primary); color: #fff; text-align: left;
  padding: 8px 10px; border: 1px solid var(--primary); font-weight: 600;
}
.markdown-body td { padding: 8px 10px; border: 1px solid var(--border); vertical-align: top; }
.markdown-body tr:nth-child(even) td { background: #FAF6EC; }
mark.pending { background: var(--warn-soft); color: var(--warn); padding: 0 3px; border-radius: 3px; font-weight: 600; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px);
  background: var(--primary); color: #fff;
  padding: 10px 18px; border-radius: 8px; font-size: 14px;
  box-shadow: var(--shadow);
  opacity: 0; pointer-events: none;
  transition: opacity .2s, transform .2s;
  max-width: calc(100% - 32px);
}
.toast { border-left: 4px solid var(--terracotta); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 420px) {
  .header-tag { display: none; }
}

@media (max-width: 640px) {
  body { font-size: 14px; }
  .container { padding: 0 14px; }
  .header-tag { font-size: 13px; padding-left: 10px; }
  .wordmark { font-size: 20px; }
  .brand-logo { width: 38px; }
  .footer-inner { grid-template-columns: 1fr; padding: 28px 14px 20px; }
  .intro { padding-top: 22px; }
  .intro h1 { font-size: 23px; }
  .card { padding: 18px 16px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  .form-actions .btn, .toolbar-actions .btn { flex: 1 1 100%; }
  .result-toolbar { position: static; }
  .report { padding: 20px 16px; }
  .markdown-body h2 { font-size: 17px; }
}

/* ---------- Print ---------- */
@media print {
  @page { size: A4; margin: 16mm 14mm; }
  body { background: #fff; color: #000; font-size: 11pt; }
  .no-print, .site-header, .site-footer, .toast { display: none !important; }
  .container { max-width: none; padding: 0; }
  .card { border: 0; box-shadow: none; padding: 0; margin: 0; }
  .report { padding: 0; }
  .print-header {
    display: flex !important; align-items: center; justify-content: space-between;
    margin-bottom: 8mm; padding-bottom: 3mm; border-bottom: 2px solid #142C42;
  }
  .print-header img { width: 34mm; height: auto; }
  .print-header div { text-align: right; font-size: 8.5pt; color: #22303B; line-height: 1.5; }
  .print-header strong { font-family: Georgia, serif; font-size: 11pt; color: #142C42; }
  .print-footer {
    display: block !important; margin-top: 10mm; padding-top: 3mm;
    border-top: 1px solid #D9CDB0; font-size: 8pt; color: #5E6A73;
  }
  .markdown-body h2 { break-after: avoid; page-break-after: avoid; }
  .markdown-body table, .markdown-body tr { break-inside: avoid; page-break-inside: avoid; }
  .markdown-body th { background: #142C42 !important; color: #fff !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .table-wrap { overflow: visible; }
  mark.pending { background: #F7EBCB !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  a { color: #000; text-decoration: none; }
}