/* ==========================================================================
   Trang tài liệu (/privacy, /terms, /guide) — dùng kèm landing/styles.css.
   Chỉ chứa phần riêng của trang doc; header/footer/nút/eyebrow lấy từ styles.css.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.doc-hero {
  position: relative;
  padding: 64px var(--gutter) 56px;
  background: linear-gradient(160deg, #fff7f2 0%, #fffdfb 55%, #fdf6ff 100%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.doc-hero__blob {
  position: absolute;
  top: -240px;
  right: -120px;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle at 45% 45%, rgba(255, 154, 70, 0.26), rgba(255, 154, 70, 0) 66%);
  pointer-events: none;
}

.doc-hero__inner {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
}

.doc-hero h1 {
  margin-top: 16px;
  font-size: clamp(30px, 3.8vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.04em;
  font-weight: 800;
  text-wrap: balance;
}

.doc-hero__lead {
  margin-top: 18px;
  font-size: 18px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 640px;
  text-wrap: pretty;
}

.doc-hero__meta {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 24px;
  padding: 9px 16px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #f1e3d9;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
  box-shadow: 0 8px 20px -16px rgba(23, 27, 35, 0.5);
}

.doc-hero__meta svg {
  width: 15px;
  height: 15px;
  color: var(--brand);
  flex: none;
}

/* --------------------------------------------------------------------------
   Thân tài liệu
   -------------------------------------------------------------------------- */

.doc-body {
  padding: 56px var(--gutter) 96px;
  background: var(--cream);
}

.doc-card {
  max-width: 860px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--line-card);
  border-radius: 28px;
  padding: 48px 52px;
  box-shadow: 0 20px 50px -34px rgba(23, 27, 35, 0.35);
}

/* Nội dung markdown ---------------------------------------------------- */

.doc-prose {
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--muted);
}

.doc-prose > :first-child {
  margin-top: 0;
}

.doc-prose > :last-child {
  margin-bottom: 0;
}

.doc-prose p {
  margin: 0 0 18px;
  text-wrap: pretty;
}

.doc-prose h2 {
  margin: 44px 0 14px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  font-size: clamp(20px, 2.2vw, 24px);
  line-height: 1.3;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--ink);
  scroll-margin-top: 96px;
  text-wrap: balance;
}

.doc-prose > h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.doc-prose h3 {
  margin: 30px 0 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  scroll-margin-top: 96px;
}

.doc-prose strong {
  color: var(--ink);
  font-weight: 600;
}

.doc-prose a {
  color: var(--brand);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  text-decoration-color: rgba(242, 98, 42, 0.35);
}

.doc-prose a:hover {
  color: var(--brand-dark);
  text-decoration-color: currentColor;
}

.doc-prose ul,
.doc-prose ol {
  margin: 0 0 18px;
  padding-left: 0;
  list-style: none;
}

.doc-prose li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 28px;
}

.doc-prose li:last-child {
  margin-bottom: 0;
}

.doc-prose ul > li::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
}

.doc-prose ol {
  counter-reset: doc-ol;
}

.doc-prose ol > li {
  counter-increment: doc-ol;
}

.doc-prose ol > li::before {
  content: counter(doc-ol) ".";
  position: absolute;
  left: 0;
  top: 0;
  min-width: 22px;
  font-weight: 700;
  font-size: 15px;
  color: var(--brand);
}

.doc-prose blockquote {
  margin: 24px 0;
  padding: 20px 24px;
  border-left: 3px solid var(--brand);
  border-radius: 0 16px 16px 0;
  background: var(--cream);
  color: var(--ink-2);
}

.doc-prose blockquote p:last-child {
  margin-bottom: 0;
}

.doc-prose code {
  padding: 2px 7px;
  border-radius: 7px;
  background: var(--cream);
  border: 1px solid var(--line-peach);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
  color: var(--ink-2);
}

.doc-prose pre {
  margin: 0 0 18px;
  padding: 20px 22px;
  border-radius: 18px;
  background: var(--ink);
  color: #fff;
  overflow-x: auto;
}

.doc-prose pre code {
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
}

.doc-prose hr {
  margin: 36px 0;
  border: 0;
  border-top: 1px solid var(--line);
}

.doc-prose table {
  width: 100%;
  margin: 0 0 18px;
  border-collapse: collapse;
  font-size: 15.5px;
}

.doc-prose th,
.doc-prose td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.doc-prose th {
  color: var(--ink);
  font-weight: 700;
}

.doc-prose__scroll {
  overflow-x: auto;
}

/* --------------------------------------------------------------------------
   Dải liên hệ cuối trang
   -------------------------------------------------------------------------- */

.doc-cta {
  max-width: 860px;
  margin: 22px auto 0;
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  background: #fff;
  border: 1px solid var(--line-card);
  border-radius: 24px;
  padding: 26px 32px;
}

.doc-cta strong {
  display: block;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.doc-cta span {
  display: block;
  margin-top: 4px;
  font-size: 15px;
  color: var(--muted-2);
}

.doc-cta__links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 640px) {
  .doc-hero {
    padding-top: 44px;
    padding-bottom: 40px;
  }

  .doc-body {
    padding-top: 36px;
    padding-bottom: 64px;
  }

  .doc-card {
    padding: 30px 22px;
    border-radius: 24px;
  }

  .doc-prose {
    font-size: 16px;
  }

  .doc-cta {
    padding: 24px 22px;
  }

  .doc-cta__links .btn {
    flex: 1 1 100%;
  }
}