/* Polylucia Polymer — brand stylesheet
   Palette (locked 2026-05-17):
     navy   #0B2545   primary / titles / header bg
     cream  #FBF4E4   page bg (carried from Loop CO2 parent)
     gold   #F5B400   CTA / sunrise-light accent
     violet #6E4BE6   technical tag / UV-cure callout / premium badge
     sky    #7FB8F0   secondary link / chart stroke
     ink    #1A1F2E   body text
*/

:root {
  --navy:   #0B2545;
  --navy-2: #14365F;
  --cream:  #FBF4E4;
  --cream-2:#F5ECD3;
  --gold:   #F5B400;
  --gold-2: #D69A00;
  --violet: #6E4BE6;
  --violet-2:#5A3BC4;
  --sky:    #7FB8F0;
  --ink:    #1A1F2E;
  --ink-soft:#4A5063;
  --line:   #E5DCC2;
  --danger: #C0392B;
  --ok:     #1F8A53;

  --radius: 8px;
  --radius-lg: 14px;
  --shadow-1: 0 1px 2px rgba(11,37,69,.06), 0 1px 3px rgba(11,37,69,.08);
  --shadow-2: 0 8px 24px rgba(11,37,69,.10);

  --serif: ui-serif, "Source Serif Pro", Georgia, "Noto Serif TC", serif;
  --sans:  -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue", Arial, "Noto Sans TC", sans-serif;
  --mono:  ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--navy); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--violet); }

h1, h2, h3, h4 { font-family: var(--serif); color: var(--navy); line-height: 1.2; letter-spacing: -.01em; margin: 0 0 .6em; }
h1 { font-size: clamp(2.2rem, 4.5vw, 3.4rem); font-weight: 600; }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }
p  { margin: 0 0 1rem; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 760px; margin: 0 auto; padding: 0 24px; }

/* ---------- Header / nav ---------- */
.site-header {
  background: var(--navy);
  color: var(--cream);
  border-bottom: 3px solid var(--gold);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; padding-top: 18px; padding-bottom: 18px; }
.brand { display: inline-flex; align-items: baseline; gap: 8px; text-decoration: none; color: var(--cream); }
.brand-mark { font-family: var(--serif); font-size: 1.3rem; font-weight: 600; letter-spacing: .04em; }
.brand-tag  { font-size: .78rem; opacity: .65; letter-spacing: .12em; text-transform: uppercase; }
.nav { display: flex; gap: 22px; align-items: center; }
.nav a { color: var(--cream); text-decoration: none; font-size: .95rem; opacity: .9; }
.nav a:hover { color: var(--gold); opacity: 1; }
.nav .btn-cta { background: var(--gold); color: var(--navy); padding: 8px 16px; border-radius: var(--radius); font-weight: 600; }
.nav .btn-cta:hover { background: var(--cream); color: var(--navy); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; cursor: pointer;
  padding: 12px 22px; border-radius: var(--radius);
  font-family: var(--sans); font-size: 1rem; font-weight: 600;
  border: 1px solid transparent; text-decoration: none;
  transition: background .15s ease, transform .05s ease, box-shadow .15s ease;
}
.btn-primary { background: var(--gold); color: var(--navy); }
.btn-primary:hover { background: var(--gold-2); color: var(--navy); }
.btn-secondary { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-secondary:hover { background: var(--navy); color: var(--cream); }
.btn-violet { background: var(--violet); color: #fff; }
.btn-violet:hover { background: var(--violet-2); }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: .55; cursor: not-allowed; }

/* ---------- Hero ---------- */
.hero {
  padding: 80px 0 64px;
  background:
    radial-gradient(900px 400px at 80% -20%, rgba(245,180,0,.18), transparent 60%),
    radial-gradient(700px 500px at 0% 100%, rgba(110,75,230,.10), transparent 60%),
    var(--cream);
}
.hero-eyebrow {
  display: inline-block; padding: 4px 12px; border: 1px solid var(--violet); color: var(--violet);
  font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; border-radius: 999px;
  margin-bottom: 18px; background: rgba(110,75,230,.06);
}
.hero h1 { color: var(--navy); max-width: 18ch; }
.hero .lede { font-size: 1.2rem; color: var(--ink-soft); max-width: 60ch; }
.hero-ctas { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }

/* ---------- Section ---------- */
.section { padding: 72px 0; }
.section-alt { background: var(--cream-2); }
.section-navy { background: var(--navy); color: var(--cream); }
.section-navy h1, .section-navy h2, .section-navy h3 { color: var(--cream); }

.section-title { display: flex; align-items: baseline; gap: 14px; margin-bottom: 32px; }
.section-title .num {
  font-family: var(--mono); font-size: .85rem; color: var(--violet);
  letter-spacing: .14em; text-transform: uppercase;
}
.section-title h2 { margin: 0; }

/* ---------- Property strip ---------- */
.props { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; }
.prop {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; box-shadow: var(--shadow-1);
}
.prop .val { font-family: var(--mono); font-size: 1.25rem; color: var(--navy); font-weight: 600; }
.prop .lbl { font-size: .82rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .08em; margin-top: 6px; }

/* ---------- Cards / reports list ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 22px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 24px; box-shadow: var(--shadow-1); display: flex; flex-direction: column;
  transition: transform .12s ease, box-shadow .15s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); }
.card .meta { display: flex; gap: 10px; align-items: center; font-size: .82rem; color: var(--ink-soft); margin-bottom: 10px; }
.card h3 a { color: var(--navy); text-decoration: none; }
.card h3 a:hover { color: var(--violet); }
.card .excerpt { color: var(--ink-soft); font-size: .95rem; flex: 1; }
.card .more { margin-top: 14px; font-size: .9rem; color: var(--violet); font-weight: 600; text-decoration: none; }

.tag { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .72rem; letter-spacing: .06em; }
.tag-T1 { background: var(--gold); color: var(--navy); }
.tag-T2 { background: var(--sky);  color: var(--navy); }
.tag-T3 { background: var(--cream-2); color: var(--navy); border: 1px solid var(--line); }
.tag-tech { background: rgba(110,75,230,.10); color: var(--violet); border: 1px solid rgba(110,75,230,.25); }

/* ---------- Report page ---------- */
.report-hero { padding: 60px 0 24px; background: var(--navy); color: var(--cream); }
.report-hero .eyebrow { color: var(--gold); letter-spacing: .14em; text-transform: uppercase; font-size: .8rem; }
.report-hero h1 { color: var(--cream); }
.report-hero .meta { color: rgba(251,244,228,.7); font-size: .9rem; }

.prose { max-width: 70ch; }
.prose h2 { margin-top: 2.2em; }
.prose h3 { margin-top: 1.8em; color: var(--navy); }
.prose blockquote { border-left: 3px solid var(--gold); padding: 4px 16px; color: var(--ink-soft); margin: 1.4em 0; background: rgba(245,180,0,.06); }
.prose code { font-family: var(--mono); background: var(--cream-2); padding: 1px 6px; border-radius: 4px; font-size: .92em; }
.prose pre  { background: var(--navy); color: var(--cream); padding: 18px; border-radius: var(--radius); overflow-x: auto; }
.prose pre code { background: transparent; color: var(--cream); }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose hr { border: none; border-top: 1px solid var(--line); margin: 2.4em 0; }
.prose a  { color: var(--violet); }

.gate {
  margin: 40px 0; padding: 28px; border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(245,180,0,.10), rgba(110,75,230,.08));
  border: 1px solid var(--gold);
}
.gate h3 { margin-top: 0; }
.gate .small { color: var(--ink-soft); font-size: .9rem; }

/* ---------- Forms ---------- */
.form { max-width: 540px; }
.form .field { margin-bottom: 18px; }
.form label { display: block; font-size: .9rem; font-weight: 600; color: var(--navy); margin-bottom: 6px; }
.form input[type=text], .form input[type=email], .form select, .form textarea {
  width: 100%; padding: 11px 14px; font-family: var(--sans); font-size: 1rem;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  color: var(--ink);
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none; border-color: var(--violet); box-shadow: 0 0 0 3px rgba(110,75,230,.18);
}
.form textarea { min-height: 88px; resize: vertical; }
.form .checkbox { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; color: var(--ink-soft); font-size: .92rem; }
.form .checkbox input { margin-top: 4px; }
.form .err { color: var(--danger); font-size: .85rem; margin-top: 4px; }
.form .honey { position: absolute; left: -9999px; }

.flash { padding: 12px 16px; border-radius: var(--radius); margin: 0 0 20px; }
.flash-ok    { background: rgba(31,138,83,.10);  border: 1px solid rgba(31,138,83,.4);  color: #0f5a36; }
.flash-error { background: rgba(192,57,43,.08);  border: 1px solid rgba(192,57,43,.35); color: #8a2620; }
.flash-warn  { background: rgba(245,180,0,.10);  border: 1px solid var(--gold);          color: #6a4d00; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: rgba(251,244,228,.75); padding: 56px 0 32px; margin-top: 80px; }
.site-footer a { color: var(--cream); }
.site-footer .grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 30px; }
.site-footer h4 { color: var(--gold); font-size: .85rem; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 14px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { padding: 4px 0; }
.site-footer .legal { border-top: 1px solid rgba(251,244,228,.15); margin-top: 36px; padding-top: 18px; font-size: .82rem; opacity: .7; display: flex; justify-content: space-between; }

/* ---------- Admin ---------- */
.admin-shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.admin-aside { background: var(--navy); color: var(--cream); padding: 24px 18px; }
.admin-aside h2 { color: var(--cream); font-size: 1rem; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 18px; }
.admin-aside ul { list-style: none; padding: 0; margin: 0; }
.admin-aside li { padding: 6px 0; }
.admin-aside a { color: rgba(251,244,228,.85); text-decoration: none; font-size: .95rem; }
.admin-aside a:hover { color: var(--gold); }
.admin-main { padding: 32px 40px; }
.admin-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 32px; }
.stat-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.stat-card .n { font-family: var(--mono); font-size: 1.8rem; color: var(--navy); font-weight: 600; }
.stat-card .l { font-size: .82rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .08em; }

table.admin-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-1); }
.admin-table th, .admin-table td { padding: 10px 14px; text-align: left; font-size: .9rem; border-bottom: 1px solid var(--line); }
.admin-table th { background: var(--cream-2); color: var(--navy); font-weight: 600; text-transform: uppercase; font-size: .76rem; letter-spacing: .08em; }
.admin-table tr:last-child td { border-bottom: none; }

/* ---------- Responsive ---------- */
@media (max-width: 800px) {
  .nav a:not(.btn-cta) { display: none; }
  .site-footer .grid { grid-template-columns: 1fr 1fr; }
  .admin-shell { grid-template-columns: 1fr; }
  .admin-aside { display: flex; gap: 14px; overflow-x: auto; padding: 12px 18px; }
  .admin-aside h2 { display: none; }
  .admin-aside ul { display: flex; gap: 16px; }
  .admin-main { padding: 20px; }
}