/* ============================================
   ĐẠM PHƯƠNG THƯ TRAI — Homepage (mockup layout)
   Loaded only on the homepage via {% block extra_head %}.
   Relies on theme vars defined in main.css (--c-paper, --c-amber, ...).
   ============================================ */

body { background: var(--c-paper); }

.home-section { padding: 1.25rem 0; }
.home-section.tight { padding-top: 0.5rem; }

.home-h {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--c-ink);
  margin-bottom: 1.1rem;
}
.home-h.center { text-align: center; }

.see-link {
  color: var(--c-amber-dark);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}
.see-link:hover { color: var(--c-amber); }

/* ---------------- HERO ---------------- */
.home-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 120% at 85% 30%, rgba(184,131,52,0.10) 0%, transparent 55%),
    var(--c-paper);
}
.home-hero-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 1.75rem 1.5rem 2rem;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  align-items: center;
  gap: 2.25rem;
}
.home-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 1.12;
  color: var(--c-ink);
  letter-spacing: 0.01em;
  margin-bottom: 0.9rem;
}
.home-hero-lead {
  color: var(--c-ink-soft);
  font-size: 1.12rem;
  line-height: 1.7;
  max-width: 32rem;
  margin-bottom: 1.3rem;
}
.home-search {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  padding: 0.4rem 0.45rem 0.4rem 1.25rem;
  max-width: 30rem;
  box-shadow: 0 6px 18px rgba(44,33,23,0.06);
}
.home-search input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--c-ink);
}
.home-search input::placeholder { color: #a99c87; }
.home-search button {
  width: 42px; height: 42px;
  border: none; border-radius: 50%;
  background: var(--c-amber);
  color: #fff; font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.home-search button:hover { background: var(--c-amber-dark); }

.home-hero-art {
  position: relative;
  aspect-ratio: 16 / 10;
  /* feather all edges so the picture melts into the hero background */
  -webkit-mask-image: radial-gradient(120% 120% at 60% 45%, #000 55%, transparent 92%);
          mask-image: radial-gradient(120% 120% at 60% 45%, #000 55%, transparent 92%);
}
.home-hero-art img {
  width: 100%; height: 100%;
  object-fit: cover;
  /* warm, illustrated feel from a photograph */
  filter: sepia(0.6) saturate(1.1) contrast(0.98) brightness(1.06);  /* painterly, warm */
}
.home-hero-art::after {
  content: '';
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, var(--c-paper) 0%, rgba(250,247,239,0) 30%),
    radial-gradient(120% 120% at 60% 45%, rgba(184,131,52,0) 55%, var(--c-paper) 92%),
    linear-gradient(0deg, rgba(184,131,52,0.22), rgba(184,131,52,0.06));
  pointer-events: none;
}

/* ---------------- TIMELINE RAIL ---------------- */
.tl-card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: 14px;
  padding: 1.4rem 1rem;
  position: relative;
}
.tl-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 0.4rem 0.8rem;
}
.tl-head .home-h { margin: 0; }
.tl-wrap { display: flex; align-items: stretch; gap: 0.4rem; }
.tl-nav {
  flex-shrink: 0;
  width: 38px; height: 38px;
  align-self: center;
  border: 1px solid var(--c-line);
  border-radius: 50%;
  background: #fff;
  color: var(--c-amber-dark);
  display: flex; align-items: center; justify-content: center;
}
.tl-nav:hover { background: var(--c-amber); color: #fff; border-color: var(--c-amber); }
.tl-track {
  flex: 1;
  display: flex;
  overflow-x: auto;
  scroll-behavior: smooth;
  padding-bottom: 0.25rem;
}
.tl-track::-webkit-scrollbar { height: 6px; }
.tl-track::-webkit-scrollbar-thumb { background: var(--c-line); border-radius: 3px; }
.tl-item {
  flex: 0 0 auto;
  width: 140px;
  text-align: center;
  padding: 0 2px;
}
.tl-photo {
  width: 78px; height: 78px;
  margin: 0 auto;
  border-radius: 50%;
  overflow: hidden;
  background: var(--c-paper-2);
  border: 2px solid var(--c-amber-light);
  display: flex; align-items: center; justify-content: center;
  color: var(--c-amber-dark); font-size: 1.5rem;
}
.tl-photo img { width: 100%; height: 100%; object-fit: cover; filter: sepia(0.35) saturate(1.1); }
.tl-photo.end { background: var(--c-amber); border-color: var(--c-amber); color: #fff; }
.tl-mid {
  position: relative;
  height: 24px;
  margin: 0.55rem 0 0.4rem;
  display: flex; align-items: center; justify-content: center;
}
.tl-mid::before {
  content: '';
  position: absolute; left: 0; right: 0; top: 50%;
  height: 2px; background: var(--c-line);
  transform: translateY(-50%);
}
.tl-item:first-child .tl-mid::before { left: 50%; }
.tl-item:last-child .tl-mid::before { right: 50%; }
.tl-dot {
  position: relative; z-index: 1;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--c-amber);
  box-shadow: 0 0 0 4px #fff;
}
.tl-year { font-weight: 700; color: var(--c-ink); font-size: 0.95rem; }
.tl-cap { color: var(--c-ink-soft); font-size: 0.74rem; line-height: 1.35; margin-top: 0.2rem; }

/* ---------------- STAT CARDS ---------------- */
.stat-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.stat-card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: 14px;
  padding: 1.05rem 1rem;
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
  transition: var(--transition);
}
.stat-card:hover { transform: translateY(-3px); box-shadow: 0 10px 26px rgba(44,33,23,0.08); }
.stat-card-icon {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--c-paper-2);
  color: var(--c-amber-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 0.55rem;
}
.stat-card-label {
  font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--c-ink-soft); font-weight: 600;
}
.stat-card-num {
  font-family: var(--font-serif);
  font-size: 1.95rem; font-weight: 700; line-height: 1;
  color: var(--c-ink);
  margin: 0.3rem 0 0.5rem;
}
.stat-card-desc { color: var(--c-ink-soft); font-size: 0.8rem; line-height: 1.55; flex: 1; }
.btn-ghost {
  margin-top: 0.8rem;
  border: 1px solid var(--c-line);
  border-radius: 6px;
  padding: 0.5rem 1rem;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--c-ink); background: transparent;
  display: inline-flex; align-items: center; gap: 0.4rem;
}
.btn-ghost:hover { border-color: var(--c-amber); color: var(--c-amber-dark); }

/* ---------------- AUTHOR COLUMNS ---------------- */
.author-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.author-col {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: 14px;
  padding: 1.25rem;
  display: flex; flex-direction: column;
}
.author-col-title {
  font-size: 0.8rem; color: var(--c-ink-soft); font-weight: 600;
  letter-spacing: 0.02em; padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--c-line); margin-bottom: 0.85rem;
}
.author-row {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.4rem 0; color: var(--c-ink);
}
.author-row:hover { color: var(--c-amber-dark); }
.author-av {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--c-paper-2); color: var(--c-amber-dark);
  border: 1px solid var(--c-amber-light);
  overflow: hidden; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 700;
}
.author-av img { width: 100%; height: 100%; object-fit: cover; filter: sepia(0.3); }
.author-name { font-size: 0.9rem; }
.author-col .see-link { margin-top: auto; padding-top: 0.9rem; text-align: center; align-self: center; }

/* ---------------- DOCS + TOPICS ---------------- */
.feat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.feat-card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: 14px;
  padding: 1.4rem;
}
.feat-card .home-h { margin-bottom: 1rem; }
.doc-row, .topic-row {
  display: flex; align-items: center; gap: 0.85rem;
  padding: 0.7rem 0;
  border-bottom: 1px dashed var(--c-line);
  color: var(--c-ink);
}
.doc-row:last-of-type, .topic-row:last-of-type { border-bottom: none; }
.doc-thumb, .topic-thumb {
  width: 46px; height: 56px; flex-shrink: 0;
  border-radius: 6px; overflow: hidden;
  background: var(--c-paper-2); color: var(--c-amber-dark);
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem;
}
.doc-thumb img, .topic-thumb img { width: 100%; height: 100%; object-fit: cover; filter: sepia(0.35); }
.doc-body, .topic-body { flex: 1; min-width: 0; }
.doc-title, .topic-title {
  font-weight: 600; font-size: 0.92rem; color: var(--c-ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.doc-sub, .topic-sub { font-size: 0.78rem; color: var(--c-ink-soft); margin-top: 0.15rem; }
.row-icon { color: var(--c-amber-dark); flex-shrink: 0; font-size: 0.95rem; }
.topic-num {
  font-family: var(--font-serif); font-weight: 700;
  color: var(--c-amber-dark); margin-right: 0.1rem;
}
.feat-card .see-link { display: inline-block; margin-top: 1rem; }

/* ---------------- CONTRIBUTE CTA ---------------- */
.contribute {
  background: var(--c-paper-2);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  margin-top: 1rem;
}
.contribute-inner {
  max-width: var(--container-width);
  margin: 0 auto; padding: 1.6rem 1.5rem;
  display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap;
}
.contribute-icon { font-size: 1.8rem; color: var(--c-amber-dark); }
.contribute-text { flex: 1; min-width: 250px; }
.contribute-text h3 {
  font-family: var(--font-serif); color: var(--c-ink);
  font-size: 1.1rem; letter-spacing: 0.04em; text-transform: uppercase;
}
.contribute-text p { color: var(--c-ink-soft); font-size: 0.88rem; margin-top: 0.25rem; }
.btn-dark {
  background: var(--c-night); color: #fff;
  padding: 0.85rem 1.6rem; border-radius: 8px;
  font-weight: 700; font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 0.5rem; white-space: nowrap;
}
.btn-dark:hover { background: #000; color: #fff; }

/* ---------------- RESPONSIVE ---------------- */
@media (max-width: 1024px) {
  .stat-cards { grid-template-columns: repeat(2, 1fr); }
  .author-cols { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .home-hero-inner { grid-template-columns: 1fr; }
  .home-hero-art { order: -1; }
  .home-hero-art::after { background: linear-gradient(0deg, rgba(184,131,52,0.16), rgba(184,131,52,0.04)); }
  .feat-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .stat-cards { grid-template-columns: 1fr; }
  .author-cols { grid-template-columns: 1fr; }
  .contribute-inner { flex-direction: column; align-items: flex-start; }
}

/* ---------------- MEDIA NỔI BẬT (Khối 7) ---------------- */
.media-feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.mf-item { display: flex; gap: 0.8rem; align-items: center; padding: 0.6rem; border: 1px solid var(--c-line); border-radius: 10px; color: var(--c-ink); transition: var(--transition); }
.mf-item:hover { border-color: var(--c-amber); box-shadow: 0 6px 16px rgba(44,33,23,0.06); }
.mf-thumb { width: 64px; height: 48px; flex-shrink: 0; border-radius: 7px; overflow: hidden; background: var(--c-paper-2); color: var(--c-amber-dark); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; }
.mf-thumb img { width: 100%; height: 100%; object-fit: cover; filter: sepia(0.3); }
.mf-body { min-width: 0; }
.mf-title { display: block; font-weight: 600; font-size: 0.88rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mf-meta { display: block; font-size: 0.76rem; color: var(--c-ink-soft); margin-top: 0.15rem; }
@media (max-width: 860px) { .media-feature-grid { grid-template-columns: 1fr; } }

/* ---------------- Contribute notice modal ---------------- */
.dptt-modal { position: fixed; inset: 0; z-index: 1000; display: none; align-items: center; justify-content: center; padding: 1rem; }
.dptt-modal.open { display: flex; }
.dptt-modal-backdrop { position: absolute; inset: 0; background: rgba(28,21,16,0.55); }
.dptt-modal-box {
  position: relative; background: var(--c-paper); border: 1px solid var(--c-line);
  border-radius: 16px; max-width: 460px; width: 100%; padding: 2rem 1.8rem; text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.dptt-modal-box .ico { font-size: 2rem; color: var(--c-amber-dark); margin-bottom: 0.75rem; }
.dptt-modal-box h3 { font-family: var(--font-serif); color: var(--c-ink); font-size: 1.25rem; margin-bottom: 0.9rem; }
.dptt-modal-box p { color: var(--c-ink-soft); line-height: 1.7; margin-bottom: 0.6rem; }
.dptt-modal-box a.mail { color: var(--c-amber-dark); font-weight: 700; }
.dptt-modal-box .close { margin-top: 1.1rem; }