/* Bản Đồ Thấu Hiểu Mình - stylesheet chính
   Bảng màu: kem, nâu đất, terracotta, xanh rêu nhạt. */

:root {
  --bg: #fdf9f3;
  --bg-warm: #f7efe4;
  --surface: #fffdfa;
  --surface-2: #f4ebdf;
  --ink: #33302c;
  --ink-soft: #6f6659;
  --ink-faint: #9c9184;
  --accent: #b85c38;
  --accent-dark: #9c4a2b;
  --accent-soft: #f0dccf;
  --sage: #7d8f74;
  --sage-soft: #e6ece2;
  --line: #e8dccb;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow: 0 1px 2px rgba(51, 48, 44, .04), 0 8px 28px rgba(51, 48, 44, .06);

  /* Font self-host trong assets/fonts/ (khai báo ở fonts.css). */
  --serif: 'Lora', 'Palatino Linotype', Georgia, serif;
  --sans: 'Be Vietnam Pro', -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  --wrap: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.72;
  letter-spacing: .002em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 500;
  /* Chừa khoảng cho dấu tiếng Việt hai tầng (ầ, ế, ộ). */
  line-height: 1.34;
  letter-spacing: -.008em;
  margin: 0 0 .5em;
  text-wrap: balance;
}

h1 { font-size: clamp(2rem, 4.4vw, 3.05rem); letter-spacing: -.018em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); letter-spacing: -.012em; }
h3 { font-size: 1.16rem; line-height: 1.4; }

p { margin: 0 0 1em; }

/* Chữ nhấn trong tiêu đề. */
em { font-style: italic; font-weight: 400; color: var(--accent); }

strong { font-weight: 600; }

a { color: var(--accent); }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }
.center { text-align: center; }
.muted { color: var(--ink-soft); }
.small { font-size: .92rem; }
.fine { font-size: .82rem; color: var(--ink-faint); line-height: 1.65; }
.fine.center { max-width: 72ch; margin-left: auto; margin-right: auto; text-wrap: pretty; }

section { padding: 72px 0; }
.section-warm { background: var(--bg-warm); }

/* Nhãn nhỏ phía trên tiêu đề section. */
.eyebrow {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: var(--surface);
  margin-bottom: 20px;
}

/* ---------------------------------------------------------------- header */

header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(253, 249, 243, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 68px;
}

.logo {
  display: block;
  font-family: var(--serif);
  font-size: 1.2rem;
  line-height: 1.15;
  color: var(--accent);
  text-decoration: none;
  white-space: nowrap;
}

.logo-sub {
  display: block;
  font-family: var(--sans);
  font-size: .7rem;
  font-weight: 400;
  letter-spacing: .01em;
  color: var(--ink-faint);
  margin-top: 2px;
}

/* Khối trích dẫn niềm tin thương hiệu. */
.belief {
  border-left: 2px solid var(--accent);
  padding: 4px 0 4px 18px;
  margin: 26px 0 4px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.15rem;
  line-height: 1.68;
  color: var(--ink);
  max-width: 44ch;
}

.belief em { font-style: italic; }

/* ---------------------------------------------------------------- buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border: 1px solid transparent;
  border-radius: 999px;
  font: inherit;
  /* Đặt sau `font: inherit` để không bị shorthand ghi đè. */
  font-weight: 500;
  font-size: .98rem;
  cursor: pointer;
  text-decoration: none;
  transition: background .18s, color .18s, border-color .18s, transform .18s;
}

.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn:not(:disabled):hover { transform: translateY(-1px); }

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:not(:disabled):hover { background: var(--accent-dark); }

.btn-ghost { background: transparent; color: var(--accent); border-color: var(--accent); }
.btn-ghost:not(:disabled):hover { background: var(--accent-soft); }

.btn-sm { padding: 10px 20px; font-size: .9rem; }
.btn-block { width: 100%; }

/* ---------------------------------------------------------------- hero */

.hero { padding: 84px 0 64px; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 56px;
  align-items: center;
}

.hero p.lead { font-size: 1.12rem; color: var(--ink-soft); max-width: 46ch; }

.lanes { display: flex; flex-direction: column; gap: 12px; margin-top: 32px; max-width: 480px; }

.lane {
  display: block;
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
  font: inherit;
  text-decoration: none;
  color: inherit;
  transition: border-color .18s, box-shadow .18s;
}

.lane:hover { border-color: var(--accent); box-shadow: var(--shadow); }
.lane strong { display: block; font-size: 1rem; line-height: 1.4; margin-bottom: 5px; }
.lane span { display: block; font-size: .89rem; line-height: 1.5; color: var(--ink-soft); }

/* Ô chọn lăng kính. */
.lens-grid .lane { padding: 22px 22px 24px; }

.coach-chip {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 36px;
  font-size: .9rem;
  color: var(--ink-soft);
}

.coach-chip img,
.coach-avatar-fallback {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--surface-2);
  border: 1px solid var(--line);
  flex: none;
}

.hero-art {
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 70% 25%, rgba(184, 92, 56, .12), transparent 55%),
    radial-gradient(circle at 25% 75%, rgba(125, 143, 116, .16), transparent 55%),
    var(--surface-2);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-art img { width: 100%; height: 100%; object-fit: cover; }
.hero-art .placeholder { color: var(--ink-faint); font-size: .85rem; padding: 24px; text-align: center; }

/* ---------------------------------------------------------------- reassure */

.reassure {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.reassure div { background: var(--bg-warm); padding: 22px 20px; }
.reassure dt { font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-faint); margin-bottom: 6px; }
.reassure dd { margin: 0; font-size: .95rem; }

/* ---------------------------------------------------------------- steps */

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }

.step {
  background: var(--surface-2);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
}

.step .num {
  font-family: var(--serif);
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  font-size: 1rem;
  margin-bottom: 10px;
}
.step h3 { margin-bottom: 12px; }
.step p { font-size: .95rem; color: var(--ink-soft); margin: 0; }

/* ---------------------------------------------------------------- quiz */

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 44px 48px;
}

@media (max-width: 640px) { .card { padding: 26px 20px; } }

/* Tiêu đề trong thẻ nhỏ hơn tiêu đề section. */
.card h2 {
  font-size: clamp(1.35rem, 2.4vw, 1.8rem);
  margin-bottom: 0;
}

.card .eyebrow { margin-bottom: 14px; }

.lens-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 30px 0 22px; }

.progress {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
  font-size: .85rem;
  color: var(--ink-soft);
}

.progress-bar { flex: 1; height: 4px; border-radius: 99px; background: var(--surface-2); overflow: hidden; }
.progress-fill { height: 100%; width: 0; background: var(--accent); transition: width .35s ease; }

.q-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.36rem;
  line-height: 1.45;
  letter-spacing: -.008em;
  margin-bottom: 10px;
}
.q-help { font-size: .88rem; color: var(--ink-faint); margin-bottom: 24px; }

.opts { display: flex; flex-direction: column; gap: 10px; list-style: none; padding: 0; margin: 0 0 28px; }

/* Lựa chọn trong câu hỏi (bấm theo thứ tự để xếp hạng). */
.opt {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  text-align: left;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  font: inherit;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  cursor: pointer;
  transition: border-color .15s, background .15s;
}

.opt:hover { border-color: var(--accent); }

.opt[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.rank {
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  color: var(--ink-faint);
  margin-top: 1px;
}

.opt[aria-pressed="true"] .rank {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}

.q-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ---------------------------------------------------------------- result */

.result-name {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.3;
  letter-spacing: -.015em;
  color: var(--accent);
  margin-bottom: 6px;
}
.result-def { font-size: 1.1rem; margin-bottom: 28px; }

.result-example {
  background: var(--sage-soft);
  border-left: 3px solid var(--sage);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 22px 24px;
  margin-bottom: 28px;
}

.result-example p { margin: 0; }

.bars { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.bar-row { display: flex; align-items: center; gap: 12px; }
.bar-track { flex: 1; height: 8px; border-radius: 99px; background: var(--surface-2); overflow: hidden; }
.bar-fill { height: 100%; background: var(--accent); border-radius: 99px; transition: width .6s ease; }
.bar-fill.dim { background: var(--accent-soft); }

/* Khối "Lời nhắn đến bạn" trên màn hình kết quả. */
.universe {
  margin: 36px 0;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
}

.universe-label {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 18px;
}

.quote-card {
  position: relative;
  max-width: 620px;
  margin: 0 auto;
  padding: 26px 28px;
  background: var(--surface-2);
  border-radius: var(--radius);
}

.quote-mark {
  position: absolute;
  top: 6px;
  left: 16px;
  font-family: Georgia, var(--serif);
  font-size: 4.4rem;
  line-height: .9;
  color: var(--accent);
  opacity: .18;
  pointer-events: none;
}

.quote-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.1rem;
  font-style: italic;
  line-height: 1.7;
  color: var(--accent-dark);
}

.pending {
  background: var(--surface-2);
  border-radius: var(--radius);
  padding: 20px 24px;
  text-align: center;
  margin-bottom: 24px;
}

.code-pill {
  display: inline-block;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--surface);
  border: 1px dashed var(--accent);
  border-radius: 8px;
  padding: 4px 12px;
  color: var(--accent);
  letter-spacing: .05em;
}

/* ---------------------------------------------------------------- forms */

.field { margin-bottom: 18px; }
.field label { display: block; font-size: .9rem; margin-bottom: 7px; font-weight: 500; letter-spacing: .005em; }
.req { color: var(--accent); }

input[type="text"], input[type="tel"], input[type="email"], textarea, select {
  width: 100%;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg);
  font: inherit;
  font-size: .98rem;
  color: var(--ink);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

textarea { resize: vertical; min-height: 96px; }

.radios { display: flex; flex-direction: column; gap: 8px; }
.radio, .check { display: flex; align-items: flex-start; gap: 10px; font-size: .95rem; cursor: pointer; }
.radio input, .check input { margin-top: 5px; flex: none; }
.check + .check { margin-top: 10px; }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Chọn ngày sinh: ngày / tháng / năm trên một hàng. */
fieldset.field { border: 0; padding: 0; margin: 0 0 18px; min-width: 0; }
fieldset.field legend { padding: 0; margin-bottom: 7px; font-size: .9rem; font-weight: 500; letter-spacing: .005em; }
.dob { display: grid; grid-template-columns: 1fr 1fr 1.2fr; gap: 8px; }
.dob select { padding-left: 10px; padding-right: 4px; }

.msg { padding: 13px 16px; border-radius: 12px; font-size: .93rem; margin-bottom: 18px; }
.msg.error { background: #fbe9e5; color: #8f3a22; border: 1px solid #f0cfc4; }
.msg.ok { background: var(--sage-soft); color: #465040; border: 1px solid #cfdac8; }

.hidden { display: none !important; }

/* ---------------------------------------------------------------- about, quotes, faq */

.about-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: center; }

.about-photo {
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  background: var(--surface-2);
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.about-photo img { width: 100%; height: 100%; object-fit: cover; }
.about-photo .placeholder { color: var(--ink-faint); font-size: .85rem; text-align: center; padding: 20px; }

.voices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }

.voice {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
}
.voice p { font-size: .95rem; color: var(--ink-soft); font-style: italic; }
.voice cite { font-style: normal; font-size: .85rem; color: var(--ink-faint); }

.faq { max-width: 760px; margin: 40px auto 0; }

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
}
.faq summary {
  cursor: pointer;
  font-family: var(--serif);
  font-size: 1.12rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); flex: none; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { margin: 14px 0 0; color: var(--ink-soft); font-size: .96rem; }

/* ---------------------------------------------------------------- footer, zalo */

footer {
  background: var(--bg-warm);
  border-top: 1px solid var(--line);
  padding: 48px 0 40px;
  font-size: .9rem;
  color: var(--ink-soft);
}
footer a { color: var(--ink-soft); }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }

.zalo-fab {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 50;
  box-shadow: 0 6px 24px rgba(184, 92, 56, .3);
}

/* ---------------------------------------------------------------- responsive */

@media (max-width: 900px) {
  .hero-grid, .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-art { display: none; }
  .steps, .voices { grid-template-columns: 1fr; }
  .reassure { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  section { padding: 52px 0; }
  .hero { padding: 40px 0 32px; }
  .wrap { padding: 0 18px; }
  .lens-grid { grid-template-columns: 1fr; }
  .reassure { grid-template-columns: 1fr; }
  .q-foot { flex-direction: column-reverse; }
  .q-foot .btn { width: 100%; }

  .header-inner .btn { padding: 9px 14px; font-size: .82rem; white-space: nowrap; }
  .logo { font-size: 1.02rem; }
  .logo-sub { display: none; }
  .belief { font-size: 1.05rem; max-width: none; }

  /* Thu nhỏ nút Zalo nổi để không che nội dung cuối trang. */
  .zalo-fab { right: 14px; bottom: 14px; padding: 11px 18px; font-size: .88rem; }
  main { padding-bottom: 64px; }
}

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