@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800&family=JetBrains+Mono:wght@500;600&display=swap');

:root {
  /* Bảng màu lấy theo pridevnclinic.com: nền xanh nhạt, chữ navy đậm, accent đỏ cam */
  --bg: #eef3fb;
  --bg-deep: #e4ecf7;
  --surface: #ffffff;
  --ink: #142238;
  --muted: #56637a;
  --ink-faint: #8b96a8;
  --primary: #e2483a;
  --primary-dark: #c23325;
  --primary-soft: #fdeceb;
  --accent: #e2483a;
  --accent-soft: #fdeceb;
  --line: #d7e1ef;
  --radius: 18px;
  --shadow: 0 8px 30px rgba(20, 34, 56, 0.08);
  --ring: rgba(226, 72, 58, 0.35);
  --font-display: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
  --font-body: 'Be Vietnam Pro', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(1100px 520px at 12% -8%, #ffffff 0%, transparent 55%),
    radial-gradient(900px 480px at 100% 0%, #f7fafe 0%, transparent 60%),
    var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
:focus-visible {
  outline: 2.5px solid var(--primary);
  outline-offset: 3px;
  border-radius: 6px;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(245, 247, 246, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: 1080px;
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  color: var(--primary-dark);
}
.brand-mark {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
}
.header-actions { display: flex; gap: 10px; align-items: center; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--primary-dark); }
.btn-outline { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-ghost { background: var(--primary-soft); color: var(--primary-dark); }
.btn-sm { padding: 7px 13px; font-size: 13px; }

/* ---------- Hero ---------- */
.hero {
  padding: 64px 0 40px;
  position: relative;
  overflow: hidden;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-soft);
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.08;
  margin: 0 0 18px;
  max-width: 16ch;
  color: var(--primary-dark);
}
.hero p {
  font-size: 17px;
  color: var(--muted);
  max-width: 56ch;
  margin: 0 0 28px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- Action cards (3 chức năng chính) ---------- */
.action-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 12px 0 56px;
}
@media (max-width: 860px) {
  .action-grid { grid-template-columns: 1fr; }
}
.action-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform .18s ease, box-shadow .18s ease;
}
.action-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(15, 110, 92, 0.14);
}
.action-card .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: .08em;
}
.action-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  margin: 0;
  color: var(--primary-dark);
}
.action-card p { color: var(--muted); margin: 0; font-size: 14.5px; flex-grow: 1; }
.action-card .go { font-weight: 600; color: var(--primary); font-size: 14px; }

/* ---------- Process strip ---------- */
.process {
  background: var(--primary-dark);
  color: #fdeceb;
  padding: 48px 0;
}
.process h2 {
  font-family: var(--font-display);
  font-size: 26px;
  margin: 0 0 28px;
}
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
@media (max-width: 780px) {
  .process-steps { grid-template-columns: 1fr 1fr; }
}
.process-step .n {
  font-family: var(--font-mono);
  font-size: 13px;
  color: #ffffff;
  margin-bottom: 8px;
}
.process-step h4 { margin: 0 0 6px; font-size: 16px; font-family: var(--font-display); font-weight: 600; }
.process-step p { margin: 0; font-size: 13.5px; color: rgba(255,255,255,0.78); }

/* ---------- Info section ---------- */
.info {
  padding: 56px 0;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
}
@media (max-width: 780px) { .info { grid-template-columns: 1fr; } }
.info h2 {
  font-family: var(--font-display);
  font-size: 26px;
  color: var(--primary-dark);
  margin-top: 0;
}
.info-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.info-card .row {
  display: flex; gap: 12px; padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14.5px;
}
.info-card .row:last-child { border-bottom: none; }
.info-card .row b { color: var(--primary-dark); min-width: 90px; }

/* ---------- Forms ---------- */
.page-hero {
  padding: 44px 0 20px;
}
.page-hero .hero-eyebrow { margin-bottom: 14px; }
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  color: var(--primary-dark);
  margin: 0 0 10px;
}
.page-hero p { color: var(--muted); max-width: 60ch; }

.form-wrap {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
  margin: 24px 0 64px;
  max-width: 720px;
}
.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 7px;
  color: var(--primary-dark);
}
.field .hint { font-size: 12.5px; color: var(--muted); margin-top: 5px; }
.muted-label { font-weight: 400; color: var(--muted); font-size: 12.5px; }
.branch-fixed {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--primary-soft);
  font-size: 14.5px;
  color: var(--primary-dark);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #FAFBFE;
  font-family: var(--font-body);
  font-size: 14.5px;
  color: var(--ink);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}
.field textarea { resize: vertical; min-height: 110px; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .row-2 { grid-template-columns: 1fr; } }

.radio-group { display: flex; gap: 10px; flex-wrap: wrap; }
.radio-pill {
  border: 1px solid var(--line);
  padding: 9px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--muted);
  transition: all .15s ease;
}
.radio-pill input { display: none; }
.radio-pill.active,
.radio-pill:has(input:checked) {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.form-submit-row {
  display: flex; align-items: center; gap: 16px; margin-top: 8px;
}
.form-msg {
  font-size: 14px;
  padding: 12px 16px;
  border-radius: 10px;
  display: none;
  margin-top: 18px;
}
.form-msg.show { display: block; }
.form-msg.ok { background: var(--primary-soft); color: var(--primary-dark); }
.form-msg.err { background: var(--accent-soft); color: #B8422A; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 36px 0 90px;
  color: var(--muted);
  font-size: 13.5px;
}
.site-footer .foot-grid {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px;
}
.site-footer b { color: var(--ink); }

/* ---------- Floating action buttons (call / zalo) ---------- */
.fab-stack {
  position: fixed;
  right: 18px;
  bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 50;
}
.fab {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 24px rgba(0,0,0,0.18);
  font-size: 24px;
  color: #fff;
  transition: transform .15s ease;
}
.fab:hover { transform: scale(1.07); }
.fab-call { background: var(--primary); }
.fab-zalo { background: #0068FF; }

/* ---------- Misc ---------- */
.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 9px;
  border-radius: 999px;
  letter-spacing: .04em;
}
.badge-moi { background: #FFF1D6; color: #916A00; }
.badge-progress { background: #DCEBFF; color: #14539E; }
.badge-done { background: #E3F5E9; color: #1F7A43; }
.badge-cancel { background: #F1E2E2; color: #8A3B3B; }