/* === hkopc.company — Neo-Brutalist Claim Platform === */
:root {
  --bg: #FAF8F2;
  --text: #111;
  --accent: #C8442A;
  --border: 1.5px solid #111;
  --shadow: 14px 14px 0 #111;
  --shadow-sm: 6px 6px 0 #111;
  --radius: 0;
  --font: -apple-system, 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --max-w: 1100px;
  --gap: 1.2rem;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

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

/* === NAV === */
.site-nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--bg);
  border-bottom: var(--border);
  padding: .8rem 1.2rem;
  display: flex; align-items: center; gap: 1rem;
  flex-wrap: wrap;
}
.site-nav .logo { display: flex; align-items: center; gap: .5rem; font-weight: 700; font-size: 1.1rem; }
.site-nav .logo img { width: 36px; height: 36px; }
.site-nav .nav-links { display: flex; gap: .8rem; margin-left: auto; flex-wrap: wrap; }
.site-nav .nav-links a {
  padding: .35rem .7rem;
  border: var(--border);
  font-size: .85rem;
  font-weight: 600;
  color: var(--text);
  transition: background .15s, color .15s;
}
.site-nav .nav-links a:hover,
.site-nav .nav-links a.active {
  background: var(--text);
  color: var(--bg);
  text-decoration: none;
}

/* === LAYOUT === */
.container { max-width: var(--max-w); margin: 0 auto; padding: 2rem 1.2rem; }
.page-title {
  font-size: clamp(1.6rem, 5vw, 2.6rem);
  font-weight: 900;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}
.page-subtitle {
  font-size: 1.05rem;
  margin-bottom: 2rem;
  max-width: 600px;
}

/* === CARDS === */
.card {
  border: var(--border);
  box-shadow: var(--shadow);
  background: #fff;
  padding: 1.4rem;
  transition: transform .15s, box-shadow .15s;
}
.card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 18px 18px 0 #111;
}
.card-sm {
  border: var(--border);
  box-shadow: var(--shadow-sm);
  background: #fff;
  padding: 1rem;
}

/* === GRID === */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--gap); }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: var(--gap); }
.grid-6 { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: var(--gap); }

/* === BUTTONS === */
.btn {
  display: inline-block;
  padding: .65rem 1.4rem;
  border: var(--border);
  font-weight: 700;
  font-size: .95rem;
  cursor: pointer;
  font-family: var(--font);
  transition: background .15s, color .15s, transform .1s;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--text);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: #a3351f; transform: translate(-2px,-2px); }
.btn-outline {
  background: transparent;
  color: var(--text);
  box-shadow: var(--shadow-sm);
}
.btn-outline:hover { background: var(--text); color: var(--bg); transform: translate(-2px,-2px); }
.btn-sm { padding: .4rem .8rem; font-size: .8rem; }

/* === BADGES === */
.badge {
  display: inline-block;
  padding: .15rem .55rem;
  border: 1px solid var(--text);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
}
.badge-verified { background: #22c55e; color: #fff; border-color: #22c55e; }
.badge-pending { background: #fbbf24; color: #111; border-color: #111; }
.badge-disputed { background: var(--accent); color: #fff; border-color: var(--accent); }

/* === FORM === */
.form-group { margin-bottom: 1.2rem; }
.form-group label { display: block; font-weight: 700; margin-bottom: .3rem; font-size: .9rem; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: .6rem .8rem;
  border: var(--border);
  font-family: var(--font);
  font-size: .95rem;
  background: #fff;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: 3px solid var(--accent);
  outline-offset: 1px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

/* === STATS BAR === */
.stats-bar {
  display: flex; gap: 1.5rem; flex-wrap: wrap;
  padding: 1rem 1.4rem;
  border: var(--border);
  background: #fff;
  box-shadow: var(--shadow-sm);
  margin-top: 2.5rem;
}
.stat-item { text-align: center; }
.stat-num { font-size: 1.6rem; font-weight: 900; display: block; }
.stat-label { font-size: .75rem; color: #555; }

/* === SITUATION CARDS (landing) === */
.sit-card {
  border: var(--border);
  box-shadow: var(--shadow);
  background: #fff;
  padding: 1.6rem 1.2rem;
  text-align: center;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s, background .15s;
  text-decoration: none;
  color: var(--text);
  display: block;
}
.sit-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 18px 18px 0 var(--accent);
  background: var(--accent);
  color: #fff;
  text-decoration: none;
}
.sit-card .sit-emoji { font-size: 2.2rem; margin-bottom: .6rem; }
.sit-card .sit-label { font-weight: 800; font-size: 1rem; }

/* === TIMELINE (situation page) === */
.timeline { position: relative; padding-left: 2.5rem; }
.timeline::before {
  content: '';
  position: absolute; left: .85rem; top: 0; bottom: 0;
  width: 3px; background: var(--text);
}
.timeline-node {
  position: relative;
  margin-bottom: 2rem;
  padding: 1.2rem 1.4rem;
  border: var(--border);
  box-shadow: var(--shadow-sm);
  background: #fff;
}
.timeline-node::before {
  content: '';
  position: absolute;
  left: -2.05rem; top: 1.4rem;
  width: 14px; height: 14px;
  background: var(--accent);
  border: 2px solid var(--text);
  border-radius: 50%;
}
.timeline-node h3 { font-size: 1.05rem; margin-bottom: .5rem; }
.timeline-claims { margin-top: .6rem; padding-top: .6rem; border-top: 1px dashed #ccc; }
.timeline-claims .mini-claim {
  font-size: .82rem;
  padding: .3rem .5rem;
  border-left: 3px solid var(--accent);
  margin-bottom: .4rem;
  background: #faf8f2;
}

/* === CLAIM CARDS === */
.claim-card {
  border: var(--border);
  box-shadow: var(--shadow-sm);
  background: #fff;
  padding: 1.2rem;
  margin-bottom: 1rem;
}
.claim-card .claim-statement { font-weight: 700; font-size: 1rem; margin-bottom: .5rem; }
.claim-card .claim-meta { font-size: .78rem; color: #666; display: flex; gap: .8rem; flex-wrap: wrap; }

/* === PROVIDER CARDS === */
.provider-card {
  border: var(--border);
  box-shadow: var(--shadow);
  background: #fff;
  padding: 1.4rem;
}
.provider-card h3 { margin-bottom: .3rem; }
.provider-services { display: flex; gap: .4rem; flex-wrap: wrap; margin-top: .5rem; }
.provider-services .tag {
  padding: .15rem .5rem;
  border: 1px solid #999;
  font-size: .72rem;
}

/* === FILTERS === */
.filters {
  display: flex; gap: .8rem; flex-wrap: wrap;
  margin-bottom: 1.5rem;
  align-items: center;
}
.filters input,
.filters select {
  padding: .5rem .7rem;
  border: var(--border);
  font-family: var(--font);
  font-size: .85rem;
  background: #fff;
}
.filters input { flex: 1; min-width: 180px; }

/* === CTA SECTION === */
.cta-section {
  margin-top: 3rem;
  padding: 2rem;
  border: var(--border);
  box-shadow: var(--shadow);
  background: #fff;
  text-align: center;
}
.cta-section h2 { font-size: 1.4rem; margin-bottom: 1rem; }
.cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* === CLAIM DETAIL === */
.claim-detail-header { margin-bottom: 2rem; }
.claim-detail-header h1 { font-size: clamp(1.3rem, 4vw, 2rem); margin-bottom: .5rem; }
.qa-block {
  border: var(--border);
  padding: 1.2rem 1.4rem;
  margin-bottom: 1.2rem;
  background: #fff;
}
.qa-block .qa-q { font-weight: 800; margin-bottom: .5rem; }
.qa-block .qa-a { line-height: 1.7; }
.lang-tabs { display: flex; gap: 0; margin-bottom: 1.5rem; }
.lang-tabs button {
  padding: .4rem 1rem;
  border: var(--border);
  background: transparent;
  font-family: var(--font);
  font-weight: 700;
  cursor: pointer;
  font-size: .85rem;
}
.lang-tabs button.active { background: var(--text); color: var(--bg); }
.verify-actions { display: flex; gap: .8rem; margin-top: 1.5rem; }

/* === FOOTER === */
.site-footer {
  margin-top: 3rem;
  padding: 1.5rem 1.2rem;
  border-top: var(--border);
  text-align: center;
  font-size: .8rem;
  color: #666;
}

/* === LOADING === */
.loading {
  text-align: center;
  padding: 3rem;
  font-weight: 700;
  color: #999;
}
.loading::after {
  content: '';
  display: inline-block;
  width: 18px; height: 18px;
  border: 3px solid #ccc;
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .6s linear infinite;
  margin-left: .5rem;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* === RESPONSIVE === */
@media (max-width: 700px) {
  .grid-6 { grid-template-columns: repeat(2, 1fr); }
  .stats-bar { flex-direction: column; align-items: center; }
  .card, .sit-card { box-shadow: 8px 8px 0 #111; }
  .card:hover, .sit-card:hover { box-shadow: 12px 12px 0 var(--accent); }
}