:root {
  --cream: #f5f5f5;
  --cream-2: #f0f0f0;
  --paper: #ffffff;
  --ink: #222222;
  --ink-2: #3d3d3d;
  --muted: #757575;
  --line: #eeeeee;
  --line-2: #dddddd;
  --accent: #ee4d2d;
  --accent-2: #d8431b;
  --accent-tint: #fff1ed;
  --teal: #00875a;
  --gold: #ffb800;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: none;
  --shadow-lift: none;
  --font-sans: "Inter", "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Be Vietnam Pro", "Inter", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 5rem; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--cream);
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  -webkit-tap-highlight-color: rgba(238, 77, 45, .16);
  overflow-x: hidden;
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

.wrap { width: min(1180px, 100% - 2.5rem); margin-inline: auto; }

a { color: var(--accent-2); text-underline-offset: 2px; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.2;
}

/* ---------- Topbar ---------- */
.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  color: var(--ink);
  background: #ffffff;
  border-bottom: 1px solid transparent;
  transition: border-color .18s ease, background .18s ease;
}

.topbar.is-stuck {
  background: #ffffff;
  border-bottom-color: var(--line);
}

.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; height: 3.5rem; }

.topbar .brand {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: -.01em;
  text-decoration: none;
  color: inherit;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}

.topbar .brand::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 2px;
  background: var(--accent);
}

.topbar nav { display: flex; align-items: center; gap: .15rem; }

.topbar nav a {
  font-size: .875rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--ink-2);
  padding: .42rem .7rem;
  border-radius: var(--radius-sm);
  transition: background .16s ease, color .16s ease;
}
.topbar nav a:hover { background: var(--cream-2); color: var(--ink); }

.topbar nav a.cta {
  color: var(--accent-2);
  font-weight: 600;
  border: 1px solid var(--accent);
  padding: .36rem .85rem;
  margin-left: .35rem;
}
.topbar nav a.cta:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 7rem 0 3.6rem;
  color: var(--ink);
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}

.hero::after { content: none; }

.eyebrow {
  margin: 0 0 .9rem;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: .7rem;
}

.eyebrow::before {
  content: "";
  width: 20px; height: 2px;
  background: var(--accent);
}

.eyebrow.ink { color: var(--accent-2); margin: 2.6rem 0 .5rem; }
.eyebrow.ink::before { background: var(--accent); }

.section-h2 { margin: 0 0 .9rem; font-size: clamp(1.5rem, 3vw, 2rem); color: var(--ink); }

.hero h1 {
  margin: 0;
  font-size: clamp(2.2rem, 5.6vw, 3.6rem);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--ink);
}

.hero h1 span { color: var(--accent); }

.hero p.lead {
  max-width: 62ch;
  margin: 1.2rem 0 0;
  color: var(--ink-2);
  font-size: clamp(1rem, 1.4vw, 1.125rem);
}

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 2.8rem;
  padding-top: 1.8rem;
  border-top: 1px solid var(--line);
}

.stat { padding: 0 2rem; position: relative; flex: 1 1 auto; min-width: 7.5rem; }
.stat:first-child { padding-left: 0; }
.stat + .stat::before {
  content: "";
  position: absolute;
  left: 0; top: .3rem; bottom: .3rem;
  width: 1px;
  background: var(--line);
}

.stat b {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.4vw, 2.2rem);
  font-weight: 800;
  line-height: 1;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}

.stat span {
  display: block;
  margin-top: .4rem;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--muted);
}

.stat span .star { color: var(--gold); letter-spacing: 0; }

/* ---------- Notice ---------- */
.notice {
  position: relative;
  margin-top: 1.5rem;
  padding: 1rem 3.2rem 1rem 1.2rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  font-size: .9rem;
  color: var(--ink-2);
}

.notice code { background: #ececec; padding: .1rem .4rem; border-radius: 4px; font-size: .88em; }

.notice-close {
  position: absolute;
  top: .5rem; right: .6rem;
  width: 1.9rem; height: 1.9rem;
  border: 0; border-radius: var(--radius-sm);
  background: transparent;
  color: var(--muted);
  font-size: 1.3rem; line-height: 1;
  cursor: pointer;
  transition: background .16s ease;
}
.notice-close:hover { background: #e6e6e6; color: var(--ink); }

/* ---------- Toolbar ---------- */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: .95rem;
  align-items: flex-end;
  margin-top: 1.75rem;
  padding: 1.2rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.field { display: flex; flex-direction: column; gap: .4rem; }
.field.grow { flex: 1 1 260px; }

.field label {
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
}

.field input,
.field select,
.field textarea {
  font: inherit;
  font-size: 1rem;
  padding: .68rem .85rem;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--ink);
  min-height: 44px;
  width: 100%;
  transition: border-color .16s ease, box-shadow .16s ease;
}

.field textarea { resize: vertical; min-height: 7.5rem; line-height: 1.6; }

.field input::placeholder, .field textarea::placeholder { color: #a3a3a3; }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  background: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(238, 77, 45, .16);
}

.btn-reset {
  font: inherit;
  font-size: .875rem;
  font-weight: 600;
  padding: .68rem 1.1rem;
  min-height: 44px;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--ink-2);
  cursor: pointer;
  transition: background .16s ease, border-color .16s ease, color .16s ease;
}
.btn-reset:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

.result-line { margin: 1.6rem 0 1rem; font-size: .875rem; color: var(--muted); min-height: 1.4em; }

/* ---------- Layout ---------- */
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 400px; gap: 2rem; align-items: start; }
.layout > .list { display: flex; flex-direction: column; gap: .75rem; }

/* ---------- Card ---------- */
.card {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .16s ease, background .16s ease;
}

.card:hover { background: #fafafa; border-color: var(--line-2); border-left-color: var(--accent); }

.card.is-active {
  border-color: var(--accent);
  border-left-color: var(--accent);
  background: var(--accent-tint);
}

.card-emoji {
  width: 74px; height: 74px;
  display: grid; place-items: center;
  font-size: 2rem;
  border-radius: var(--radius-sm);
  background: var(--cream-2);
  border: 1px solid var(--line);
  flex: none;
  align-self: start;
}

.card-body { min-width: 0; display: flex; flex-direction: column; gap: .4rem; }
.card-head { display: flex; flex-wrap: wrap; gap: .4rem; align-items: baseline; }

.card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -.015em;
  line-height: 1.35;
}

.tag {
  font-size: .6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: .2rem .5rem;
  border-radius: var(--radius-sm);
  background: var(--cream-2);
  color: var(--ink-2);
  border: 1px solid var(--line);
  white-space: nowrap;
}

.tag.item {
  background: var(--accent-tint);
  color: var(--accent-2);
  border-color: #ffd7c9;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 600;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  font-size: .75rem;
  font-weight: 500;
  padding: .2rem .58rem;
  border-radius: var(--radius-sm);
  background: var(--cream-2);
  color: var(--ink-2);
  border: 1px solid var(--line);
  white-space: nowrap;
}

.chip-dist { background: #ffffff; color: var(--accent-2); border-color: #ffd7c9; font-weight: 600; }
.chip-warn { background: #fff8e1; color: #a06400; border-color: #ffe1a6; }

.place-line { margin: .1rem 0 0; display: flex; flex-wrap: wrap; gap: .35rem; }

.addr {
  margin: 0;
  font-size: .9rem;
  color: var(--ink-2);
  display: flex;
  gap: .4rem;
  align-items: flex-start;
}
.addr::before { content: "📍"; flex: none; font-size: .8rem; line-height: 1.55; }

.note {
  margin: .15rem 0 0;
  font-size: .8125rem;
  color: var(--muted);
  border-left: 2px solid var(--line-2);
  padding-left: .6rem;
}

.meta { display: flex; flex-wrap: wrap; gap: .4rem 1rem; font-size: .8125rem; color: var(--muted); }
.meta-item { white-space: nowrap; overflow-wrap: anywhere; }
.dim { color: var(--muted); }
.rating { color: var(--ink); font-weight: 700; font-variant-numeric: tabular-nums; }
.rating .star { color: var(--gold); font-weight: 700; }
.rating small { color: var(--muted); font-weight: 500; }

.card-actions { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: auto; padding-top: .55rem; }

.btn {
  font: inherit;
  font-size: .875rem;
  font-weight: 600;
  padding: .5rem .9rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .35rem;
  min-height: 40px;
  transition: background .16s ease, border-color .16s ease, color .16s ease;
}

.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-2); border-color: var(--accent-2); }

.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line-2); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-2); background: var(--accent-tint); }

.empty {
  padding: 2.6rem 1.5rem;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--line-2);
  border-radius: var(--radius);
  background: var(--paper);
}
.empty b { display: block; color: var(--ink); font-size: 1.0625rem; margin-bottom: .3rem; font-family: var(--font-display); }

/* ---------- Map ---------- */
.map-panel { position: sticky; top: 4.9rem; scroll-margin-top: 5rem; }

.map-frame {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--cream-2);
  aspect-ratio: 4 / 5;
}

.map-frame iframe { width: 100%; height: 100%; border: 0; display: block; }

.map-caption {
  font-size: .8125rem;
  color: var(--muted);
  margin-top: .65rem;
  min-height: 2.4em;
  padding-left: .1rem;
}

.map-panel .btn.wide { width: 100%; margin-top: .8rem; justify-content: center; }

/* ---------- Contact & feedback ---------- */
.contact {
  margin-top: 4.5rem;
  padding: 4.5rem 0;
  color: #ffffff;
  background: var(--accent-2);
  border-block: 0;
}

.contact h2 { margin: 0; font-size: clamp(1.65rem, 3.2vw, 2.3rem); color: #ffffff; }

.contact .eyebrow { color: #ffffff; }
.contact .eyebrow::before { background: #ffffff; }

.contact-sub { margin: .8rem 0 2.4rem; color: rgba(255, 255, 255, .95); max-width: 58ch; font-size: 1rem; font-weight: 500; }

.contact-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 1.5rem; align-items: start; }

.gopy-card {
  background: #ffffff;
  color: var(--ink);
  border: 0;
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.gopy-card h3 { margin: 0 0 .15rem; font-size: 1.25rem; }
.gopy-card > p.sub { margin: 0 0 .3rem; font-size: .875rem; color: var(--muted); }

.gopy-card .field label span { color: var(--accent-2); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; }

.form-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: .2rem; }

.form-hint { margin: .1rem 0 0; font-size: .8125rem; color: var(--muted); }

.form-status {
  margin: 0;
  font-size: .8125rem;
  font-weight: 600;
  color: var(--teal);
  min-height: 1.2em;
}

.contact-card {
  background: #ffffff;
  border: 0;
  border-radius: var(--radius);
  padding: 1.75rem;
}

.contact-card h3 { margin: 0 0 1.2rem; font-size: 1.125rem; color: var(--ink); }

.contact-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 1.05rem; }

.contact-list li { display: flex; gap: .8rem; align-items: flex-start; }

.contact-list .ico {
  width: 34px; height: 34px;
  flex: none;
  display: grid; place-items: center;
  border-radius: var(--radius-sm);
  background: var(--accent-tint);
  border: 1px solid #ffd7c9;
  color: var(--accent);
  font-size: .95rem;
}

.contact-list b { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); font-weight: 600; }

.contact-list a { color: var(--ink); text-decoration: none; font-size: .9375rem; word-break: break-all; font-weight: 600; }
.contact-list a:hover { color: var(--accent-2); text-decoration: underline; }

.contact-note {
  margin: 1.5rem 0 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  font-size: .8125rem;
  color: var(--muted);
}

/* ---------- How-to ---------- */
.howto { margin-top: 0; padding: 4.5rem 0; background: var(--cream-2); border-bottom: 1px solid var(--line); }
.howto h2 { margin: 0 0 1.8rem; font-size: clamp(1.5rem, 3vw, 2rem); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }

.howto article {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem 1.3rem 1.3rem;
}

.howto article::before {
  content: attr(data-step);
  position: absolute;
  top: -0.85rem; left: 1.3rem;
  width: 1.85rem; height: 1.85rem;
  display: grid; place-items: center;
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: .85rem;
  font-weight: 700;
  color: #fff;
  background: var(--accent);
}

.howto h3 { margin: .35rem 0 .45rem; font-size: 1.0625rem; color: var(--ink); }
.howto p { margin: 0; font-size: .9rem; color: var(--ink-2); }

/* ---------- Status ribbon (đang cập nhật) ---------- */
.status-ribbon {
  display: flex;
  align-items: center;
  gap: .8rem;
  flex-wrap: wrap;
  margin-top: 1.4rem;
  padding: .85rem 1.05rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  background: var(--cream-2);
  font-size: .875rem;
  color: var(--ink-2);
}

.status-ribbon[hidden] { display: none; }

.pulse {
  width: 9px; height: 9px;
  flex: none;
  align-self: flex-start;
  margin-top: .5em;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2.2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}

.status-body { flex: 1 1 260px; min-width: 0; }
.status-body b { color: var(--ink); }
.status-body span { color: var(--muted); }

.status-link {
  flex: none;
  font-weight: 600;
  font-size: .8125rem;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid var(--line-2);
  background: #fff;
  padding: .4rem .75rem;
  border-radius: var(--radius-sm);
  transition: background .16s ease, border-color .16s ease, color .16s ease;
}
.status-link:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---------- Checkbox lọc trùng ---------- */
.check {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-size: .875rem;
  font-weight: 500;
  color: var(--ink-2);
  cursor: pointer;
  min-height: 44px;
  margin-left: auto;
  user-select: none;
}

.check input {
  width: 1.05rem; height: 1.05rem;
  accent-color: var(--accent);
  cursor: pointer;
}

/* ---------- Tags trùng / cảnh báo ---------- */
.tag.warn { background: #fef2f2; color: #b91c1c; border-color: #f6d5d5; white-space: normal; overflow-wrap: anywhere; }
.tag.dup { background: #fef2f2; color: #b91c1c; border-color: #f6d5d5; }
.card.is-dup { border-left-color: #d97b6c; }
.card.is-dup:hover { border-left-color: #b91c1c; }

/* ---------- Bảng rà soát trùng lập ---------- */
.dup-panel { padding: 3.6rem 0; background: var(--paper); border-bottom: 1px solid var(--line); }

.dup-sub { margin: 0 0 1.6rem; font-size: .9rem; color: var(--ink-2); max-width: 72ch; }

.dup-list { display: grid; gap: .9rem; }

.dup-card {
  border: 1px solid var(--line);
  border-left: 3px solid var(--line-2);
  border-radius: var(--radius);
  background: var(--paper);
  padding: 1.15rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: .8rem;
}

.dup-card.conf-cao { border-left-color: #b91c1c; background: #fffbfb; }
.dup-card.conf-thấp { border-left-color: var(--line-2); }

.dup-head { display: flex; flex-wrap: wrap; align-items: center; gap: .55rem; }
.dup-reason { font-size: .8125rem; color: var(--muted); }

.dup-pair { display: grid; grid-template-columns: 1fr auto 1fr; gap: .9rem; align-items: stretch; }

.dup-side {
  display: flex;
  flex-direction: column;
  gap: .18rem;
  padding: .75rem .85rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  min-width: 0;
}

.dup-side b { font-size: .72rem; letter-spacing: .1em; color: var(--muted); font-weight: 700; }
.dup-name { font-weight: 700; font-size: .9375rem; color: var(--ink); overflow-wrap: anywhere; }
.dup-where { font-size: .8125rem; color: var(--muted); }

.dup-vs {
  align-self: center;
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--muted);
}

.dup-actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.dup-actions .btn { font-size: .8125rem; min-height: 38px; }

/* ---------- Footer ---------- */
.footer { padding: 2.6rem 0 calc(2.8rem + env(safe-area-inset-bottom)); font-size: .875rem; color: var(--muted); background: var(--cream-2); border-top: 1px solid var(--line); }
.footer p { margin: .3rem 0; }
.footer .muted { color: #8f8f8f; }
.footer a { color: var(--ink-2); }

.credit {
  margin: 1.3rem 0 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  font-size: .8125rem;
  color: var(--muted);
}
.credit strong { color: var(--accent-2); font-weight: 700; }
.credit a { color: var(--ink-2); text-decoration: none; border-bottom: 1px solid var(--line-2); padding-bottom: 1px; }
.credit a:hover { color: var(--accent-2); border-bottom-color: var(--accent); }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .layout { grid-template-columns: minmax(0, 1fr) 340px; }
  .map-frame { aspect-ratio: 3 / 4; }
}

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .map-panel { position: static; order: -1; }
  .map-frame { aspect-ratio: 16 / 10; }
  .contact-grid { grid-template-columns: 1fr; }
  .howto { padding: 3rem 0; }
  .contact { padding: 3rem 0; margin-top: 3rem; }

  .map-panel:not(.is-open) .map-frame { aspect-ratio: auto; height: 150px; cursor: pointer; }
  .map-panel:not(.is-open) .map-frame iframe { pointer-events: none; }
  .map-frame::after {
    content: "Chạm để mở bản đồ";
    position: absolute;
    inset: auto 0 0 0;
    display: none;
    padding: .6rem .8rem;
    font-size: .78rem;
    font-weight: 700;
    text-align: center;
    color: var(--ink);
    background: rgba(255, 255, 255, .94);
    border-top: 1px solid var(--line);
  }
  .map-panel:not(.is-open) .map-frame::after { display: block; }
}

@media (max-width: 620px) {
  .topbar nav a { padding: .4rem .5rem; font-size: .8125rem; }
  .topbar nav a.cta { display: none; }
  .hero { padding: 6rem 0 2.6rem; }
  .stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem 0; }
  .stat { padding: 0 1rem; }
  .stat:nth-child(odd) { padding-left: 0; }
  .stat + .stat::before { display: none; }
  .notice { font-size: .8438rem; }
  .toolbar { padding: .9rem; gap: .75rem; }
  .field { flex: 1 1 45%; }
  .field.grow { flex-basis: 100%; }
  .toolbar .btn-reset { flex: 1 1 100%; }
  .result-line { font-size: .8438rem; }
  .meta-item { white-space: normal; }
  .card { grid-template-columns: 48px 1fr; gap: .8rem; padding: 1rem; }
  .card-emoji { width: 48px; height: 48px; font-size: 1.35rem; }
  .card h3 { font-size: 1rem; }
  .addr { font-size: .86rem; }
  .meta { font-size: .7813rem; }
  .card-actions { display: grid; grid-template-columns: 1fr 1fr; gap: .45rem; }
  .card-actions .btn-primary { grid-column: 1 / -1; }
  .btn { min-height: 44px; font-size: .8125rem; padding: .5rem .45rem; }
  .gopy-card, .contact-card { padding: 1.25rem; }
  .form-row { grid-template-columns: 1fr; }
  .status-ribbon { font-size: .8438rem; padding: .75rem .9rem; }
  .status-link { width: 100%; text-align: center; justify-content: center; }
  .check { margin-left: 0; width: 100%; }
  .dup-panel { padding: 2.6rem 0; }
  .dup-pair { grid-template-columns: 1fr; gap: .55rem; }
  .dup-vs { justify-self: center; }
  .dup-actions .btn { flex: 1 1 100%; }
  .footer { padding: 2rem 0 calc(2.4rem + env(safe-area-inset-bottom)); }
}

@media (max-width: 400px) {
  .wrap { width: min(1180px, 100% - 1.6rem); }
  .hero { padding: 5.2rem 0 2rem; }
  .hero h1 { font-size: 1.6rem; }
  .stat b { font-size: 1.5rem; }
  .stat span { font-size: .6875rem; }
  .card-actions { grid-template-columns: 1fr; }
  .card-actions .btn-primary { grid-column: auto; }
  .form-actions .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}