/* pearlyn.sg design system — palette/type/layout per DESIGN.md */

:root {
  --ground: #FAF8F4;
  --ink: #1C2B3A;
  --accent: #A8843C;
  --steel: #41607A;
  --mist: #E8E2D6;
  --ok: #2E7D5B;
  --err: #B3432B;
  --font-display: Georgia, "Times New Roman", serif;
  --font-body: -apple-system, "Segoe UI", Roboto, sans-serif;
  --max-width: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ground: #131B24;
    --ink: #EDE8DE;
    --mist: #2A3542;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

body { padding-bottom: 72px; } /* room for sticky WhatsApp bar on mobile */

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.15;
  margin: 0 0 .5em;
  text-wrap: balance;
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: 1.15rem; }

p { line-height: 1.6; margin: 0 0 1em; }

a { color: var(--steel); text-decoration: none; }
a:hover { text-decoration: underline; }

.eyebrow {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--steel);
  font-family: var(--font-body);
  font-weight: 600;
  display: block;
  margin-bottom: .35em;
}

.tabular { font-variant-numeric: tabular-nums; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Nav */
.site-nav {
  border-bottom: 1px solid var(--mist);
  background: var(--ground);
}
.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 16px;
  padding-bottom: 16px;
}
.site-nav .brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--ink);
}
.site-nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.site-nav a { color: var(--ink); font-size: .95rem; }
.site-nav a.active { color: var(--accent); font-weight: 600; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 6px;
  font-size: .95rem;
  font-weight: 600;
  text-align: center;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-gold {
  background: var(--accent);
  color: #FFF8EC;
}
.btn-gold:hover { background: #93732f; text-decoration: none; }
.btn-ghost {
  background: transparent;
  border-color: var(--steel);
  color: var(--steel);
}
.btn-ghost:hover { background: var(--mist); text-decoration: none; }
.btn-text {
  background: none;
  border: none;
  color: var(--accent);
  padding: 0;
  font-weight: 600;
}

/* Hero */
.hero {
  padding: 48px 0 32px;
  border-bottom: 1px solid var(--mist);
}
.hero .cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 20px;
}

/* Trust strip */
.trust-strip {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  padding: 18px 0;
  border-bottom: 1px solid var(--mist);
  font-size: .9rem;
  color: var(--steel);
}
.trust-strip strong { color: var(--ink); }

/* Grid + cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
  padding: 32px 0;
}
.card {
  border: 1px solid var(--mist);
  border-radius: 8px;
  overflow: hidden;
  background: var(--ground);
  display: flex;
  flex-direction: column;
}
.card-photo {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--mist);
  object-fit: cover;
  display: block;
}
.card-body { padding: 16px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card-body h3 { font-family: var(--font-display); }
.spec-row {
  color: var(--steel);
  font-size: .9rem;
}
.price-line {
  font-weight: 700;
  font-size: 1.1rem;
  margin-top: 4px;
}
.card-footer {
  margin-top: auto;
  padding-top: 8px;
}
.badge {
  display: inline-block;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--mist);
  color: var(--steel);
}
.badge-ok { background: rgba(46,125,91,.15); color: var(--ok); }

/* Filter form */
.filter-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  padding: 20px 0 0;
  align-items: center;
}
.filter-bar select, .filter-bar input, form input, form select, form textarea {
  font-family: var(--font-body);
  font-size: .95rem;
  padding: 10px 12px;
  border: 1px solid var(--mist);
  border-radius: 6px;
  background: var(--ground);
  color: var(--ink);
}
form label { display: block; font-size: .85rem; margin-bottom: 4px; color: var(--steel); }
form .field { margin-bottom: 14px; }
form .hint { font-size: .78rem; color: var(--steel); margin-top: 4px; }
form textarea { width: 100%; resize: vertical; }
form input[type="text"], form input[type="number"], form input[type="date"], form input[type="tel"], form input[type="email"], form select {
  width: 100%;
}

/* Listing detail */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
  margin: 20px 0;
}
.gallery img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 6px; }
.spec-table { width: 100%; border-collapse: collapse; margin: 16px 0; }
.spec-table td { padding: 8px 0; border-bottom: 1px solid var(--mist); font-size: .95rem; }
.spec-table td:first-child { color: var(--steel); width: 40%; }
.spec-table td:last-child { font-variant-numeric: tabular-nums; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--mist); padding: 14px 0; }
.faq summary { cursor: pointer; font-weight: 600; }

/* Forms feedback */
.notice { padding: 12px 16px; border-radius: 6px; margin: 16px 0; font-size: .9rem; }
.notice-ok { background: rgba(46,125,91,.12); color: var(--ok); }
.notice-err { background: rgba(179,67,43,.12); color: var(--err); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--mist);
  padding: 28px 0 96px;
  color: var(--steel);
  font-size: .85rem;
}

/* Sticky mobile WhatsApp bar */
.wa-sticky {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: var(--accent);
  color: #FFF8EC;
  text-align: center;
  padding: 14px;
  font-weight: 700;
  z-index: 50;
  display: block;
}
@media (min-width: 768px) {
  .wa-sticky { display: none; }
  body { padding-bottom: 0; }
  .site-footer { padding-bottom: 28px; }
}

/* Admin */
.admin-nav { display: flex; gap: 16px; flex-wrap: wrap; padding: 12px 0; border-bottom: 1px solid var(--mist); }
.admin-table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: .9rem; }
.admin-table th, .admin-table td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--mist); }
.admin-table th { color: var(--steel); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; }
.hint-review { color: var(--err); font-weight: 700; }
.hint-keep { color: var(--ok); font-weight: 700; }
.login-box { max-width: 360px; margin: 60px auto; padding: 28px; border: 1px solid var(--mist); border-radius: 8px; }