/* ============================================================
   Lumiere FENG — Shared Stylesheet
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #f3f6fb;
  --surface:   #e8eef8;
  --surface-2: #dce5f2;
  --border:    #c4d0e6;
  --text:      #18203a;
  --muted:     #6b7a99;
  --accent:    #2c5fa3;
  --prose:     #2a3550;
  --radius:    12px;
  --max-w:     1100px;
  --nav-h:     60px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

/* ── NAV ── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(243, 246, 251, 0.93);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

nav {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-brand {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.3px;
  transition: color 0.2s;
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a.active { color: var(--text); }

/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown > button {
  font-size: 13px;
  color: var(--muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  letter-spacing: 0.3px;
  font-family: inherit;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-dropdown:hover > button,
.nav-dropdown:focus-within > button { color: var(--text); }

.dropdown-arrow { font-size: 10px; transition: transform 0.2s; }
.nav-dropdown:hover .dropdown-arrow { transform: rotate(180deg); }

.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 0;
  min-width: 150px;
  list-style: none;
  box-shadow: 0 8px 28px rgba(0,0,0,0.1), 0 2px 6px rgba(0,0,0,0.06);
}
.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu { display: block; }

.dropdown-menu li a {
  display: block;
  padding: 9px 18px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}
.dropdown-menu li a:hover {
  color: var(--text);
  background: var(--surface);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
  padding: 4px;
}
.nav-toggle svg { display: block; }

/* ── PAGE CONTAINER ── */
.page {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
  width: 100%;
  flex: 1;
}

/* ── HERO ── */
.hero { padding: 90px 0 50px; }

.hero-tag {
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 300;
  letter-spacing: -1.5px;
  line-height: 1.1;
  color: var(--text);
}

.hero p {
  margin-top: 20px;
  font-size: 15px;
  color: var(--muted);
  max-width: 480px;
}

/* ── SECTION ── */
.section { padding: 60px 0; }
.section + .section { border-top: 1px solid var(--border); }

.section-label {
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 36px;
}

/* ── GRID CARDS ── */
.card-grid { display: grid; gap: 20px; }
.card-grid-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(0,0,0,0.05), 0 4px 12px rgba(0,0,0,0.04);
  text-decoration: none;
  display: block;
  transition: transform 0.3s ease, box-shadow 0.3s, border-color 0.3s;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(0,0,0,0.1), 0 1px 4px rgba(0,0,0,0.06);
}

.card img {
  width: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.card:hover img { transform: scale(1.03); }
.card-square img { aspect-ratio: 1; }
.card-wide img  { aspect-ratio: 16/10; }
.card-tall img  { aspect-ratio: 3/4; }

/* Keep overlay text always white — it sits on a dark image gradient */
.card-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 48px 20px 20px;
  background: linear-gradient(to top, rgba(10,8,8,0.92) 0%, transparent 100%);
}

.card-label {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-bottom: 4px;
}

.card-title {
  font-size: 15px;
  font-weight: 400;
  color: #ffffff;
}

.card-body { padding: 20px; }
.card-body .card-label { color: var(--muted); margin-bottom: 8px; }
.card-body .card-title { font-size: 16px; color: var(--text); margin-bottom: 8px; }
.card-body p { font-size: 13px; color: var(--muted); line-height: 1.6; }

/* ── OLD BLOG LIST (kept for backwards compat) ── */
.post-list { display: flex; flex-direction: column; gap: 0; }

.post-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: var(--text);
  transition: color 0.2s;
}
.post-item:hover { color: var(--accent); }
.post-item-title { font-size: 15px; font-weight: 400; }
.post-item-meta  { font-size: 12px; color: var(--muted); white-space: nowrap; }

/* ── PLACEHOLDER ── */
.placeholder {
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 60px 32px;
  text-align: center;
  color: var(--muted);
}
.placeholder p { font-size: 13px; margin-top: 8px; }

/* ── FOOTER ── */
footer {
  margin-top: auto;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 56px 32px;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 48px;
}

.footer-brand {
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 14px;
  text-decoration: none;
  display: block;
}

.footer-quote {
  font-size: 13px;
  color: var(--muted);
  font-style: italic;
  line-height: 1.7;
}

.footer-col-label {
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

.footer-email {
  font-size: 14px;
  color: var(--accent);
  text-decoration: none;
}
.footer-email:hover { text-decoration: underline; }

.social-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.social-list a {
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: color 0.2s;
}
.social-list a:hover { color: var(--text); }
.social-dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--border);
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 18px 32px;
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-copy { font-size: 12px; color: var(--muted); }

/* ── BLOG LAYOUT ── */
.blogs-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 72px;
  padding: 80px 0 120px;
  align-items: start;
}

.blogs-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 32px);
}

.sidebar-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 400;
  color: var(--accent);
  margin-bottom: 18px;
  letter-spacing: 1px;
  flex-shrink: 0;
}

.sidebar-name {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 10px;
}

.sidebar-bio {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 36px;
}

.sidebar-section { margin-bottom: 28px; }

.sidebar-label {
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}

.follow-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }

.follow-list a {
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 9px;
  transition: color 0.2s;
}

.follow-list a::before {
  content: '';
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--border);
  flex-shrink: 0;
  transition: background 0.2s;
}

.follow-list a:hover { color: var(--accent); }
.follow-list a:hover::before { background: var(--accent); }

/* ── FEATURED POST CARD ── */
.feed-featured {
  display: block;
  padding: 28px 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 1px 4px rgba(0,0,0,0.05), 0 6px 20px rgba(0,0,0,0.05);
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}

.feed-featured:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 20px rgba(44,95,163,0.12), 0 1px 4px rgba(0,0,0,0.06);
  transform: translateY(-2px);
}

.feed-featured-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.feed-featured-tag {
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
}

.feed-featured-date { font-size: 12px; color: var(--muted); }

.feed-featured-title {
  font-size: clamp(1.25rem, 2.5vw, 1.65rem);
  font-weight: 400;
  letter-spacing: -0.3px;
  line-height: 1.35;
  margin-bottom: 12px;
  color: var(--text);
  transition: color 0.2s;
  display: block;
}

.feed-featured:hover .feed-featured-title { color: var(--accent); }

.feed-featured-excerpt {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 22px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.feed-featured-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.feed-featured-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
}

.feed-featured-cta {
  font-size: 13px;
  color: var(--accent);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.2s;
}

.feed-featured:hover .feed-featured-cta { gap: 10px; }

/* ── YEAR DIVIDERS ── */
.year-group { display: flex; flex-direction: column; }

.year-divider {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 36px 0 4px;
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--muted);
  pointer-events: none;
}

.year-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── SEARCH BAR ── */
.blog-search-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.blog-search-wrap:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(44,95,163,0.12);
}

.blog-search-wrap svg { flex-shrink: 0; opacity: 0.4; color: var(--muted); }

.blog-search-wrap input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  padding: 12px 0;
  min-width: 0;
}

.blog-search-wrap input::placeholder { color: var(--muted); }

#search-no-results {
  display: none;
  padding: 48px 0;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

/* ── POST FEED ── */
.blogs-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.blogs-header h1 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 300;
  letter-spacing: -0.8px;
}

.blogs-count {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 1px;
}

.post-feed { display: flex; flex-direction: column; }

.feed-item {
  display: block;
  padding: 24px 0 24px 18px;
  border-bottom: 1px solid var(--border);
  border-left: 2px solid transparent;
  text-decoration: none;
  color: var(--text);
  margin-left: -20px;
  transition: border-left-color 0.2s, padding-left 0.2s, background 0.2s;
}

.feed-item:hover {
  border-left-color: var(--accent);
  padding-left: 22px;
  background: linear-gradient(to right, rgba(44,95,163,0.06) 0%, transparent 70%);
}

.feed-item-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
}

.feed-body { flex: 1; min-width: 0; }

.feed-title {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--text);
  display: block;
  margin-bottom: 7px;
  transition: color 0.2s;
}

.feed-item:hover .feed-title { color: var(--accent); }

.feed-excerpt {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 10px;
}

.feed-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
}

.feed-meta-dot {
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--border);
  flex-shrink: 0;
}

.feed-arrow {
  font-size: 14px;
  color: var(--muted);
  flex-shrink: 0;
  margin-top: 4px;
  opacity: 0.5;
  transition: transform 0.2s, color 0.2s, opacity 0.2s;
}

.feed-item:hover .feed-arrow {
  transform: translateX(4px);
  color: var(--accent);
  opacity: 1;
}

/* ── HOME PAGE ── */
.home-hero {
  padding: 48px 0 36px;
  border-bottom: 1px solid var(--border);
}

.home-hero-eyebrow {
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

.home-hero h1 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: -1.5px;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 16px;
}

.home-hero-sub {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.5px;
}

.home-section {
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}

.home-section:last-child {
  border-bottom: none;
  padding-bottom: 80px;
}

.home-section-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 18px;
}

.home-section-header .section-label { margin-bottom: 0; }

.section-more {
  font-size: 13px;
  color: var(--accent);
  text-decoration: none;
  opacity: 0.85;
  transition: opacity 0.2s;
}
.section-more:hover { opacity: 1; }

/* Bento grid — 3 equal columns */
.home-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.home-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  text-decoration: none;
  color: var(--text);
  overflow: hidden;
  height: 260px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}

.home-card:hover {
  border-color: var(--accent);
  box-shadow: 0 6px 24px rgba(44,95,163,0.1);
  transform: translateY(-2px);
}

.home-card-lg {
  grid-row: span 1;
  padding: 0;
  position: relative;
}

/* Image card — full-bleed photo with overlay text */
.home-card-img-full { position: relative; padding: 0; }

.home-card-img-full .home-card-cover {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.home-card-img-full .home-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,14,28,0.8) 0%, rgba(10,14,28,0.1) 60%, transparent 100%);
  border-radius: var(--radius);
}

.home-card-img-full .home-card-body {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 22px 24px;
}

.home-card-img-full .home-card-badge { color: rgba(255,255,255,0.6); margin-bottom: 6px; }
.home-card-img-full .home-card-title { font-size: 1.05rem; color: #fff; margin-bottom: 12px; }
.home-card-img-full:hover .home-card-title { color: #fff; }
.home-card-img-full .home-card-footer { border-top: 1px solid rgba(255,255,255,0.15); padding-top: 12px; }
.home-card-img-full .home-card-date { color: rgba(255,255,255,0.5); font-size: 11px; }
.home-card-img-full .home-card-arrow { color: rgba(255,255,255,0.45); }
.home-card-img-full:hover .home-card-arrow { color: #fff; opacity: 1; }

.home-card-sm {
  padding: 22px 24px;
  justify-content: space-between;
}

.home-card-sm-img {
  padding: 0;
}

.home-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.home-card-img-inner {
  flex: 1;
  overflow: hidden;
}

.home-card-img-footer {
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border);
}

.home-card-badge {
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 14px;
}

.home-card-title {
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: -0.3px;
  line-height: 1.4;
  color: var(--text);
  transition: color 0.2s;
}
.home-card:hover .home-card-title { color: var(--accent); }

.home-card-sm .home-card-title { font-size: 0.95rem; }

.home-card-excerpt {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.75;
  flex: 1;
  margin: 10px 0 20px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.home-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.home-card-date { font-size: 12px; color: var(--muted); }

.home-card-arrow {
  font-size: 14px;
  color: var(--muted);
  opacity: 0.6;
  transition: transform 0.2s, color 0.2s, opacity 0.2s;
}
.home-card:hover .home-card-arrow {
  transform: translateX(4px);
  color: var(--accent);
  opacity: 1;
}

/* Recent post list */
.home-post-list { display: flex; flex-direction: column; }

.home-post-item {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  align-items: baseline;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: var(--text);
  transition: color 0.2s;
}
.home-post-item:last-child { border-bottom: none; }
.home-post-item:hover { color: var(--accent); }

.home-post-date {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.home-post-title {
  font-size: 15px;
  font-weight: 400;
  transition: color 0.2s;
}

.home-post-cat {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* Podcast grid */
.podcast-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 20px 32px 28px;
    gap: 18px;
    align-items: flex-start;
  }
  .nav-toggle { display: block; }
  .dropdown-menu {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 4px 0 4px 12px;
    border-left: 1px solid var(--border);
    display: block;
    background: none;
  }
  .card-grid-2, .card-grid-3 { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 36px; }
  .page { padding: 0 20px; }
  .footer-inner, .footer-bottom { padding-left: 20px; padding-right: 20px; }
  nav { padding: 0 20px; position: relative; }
  .blogs-layout { grid-template-columns: 1fr; gap: 40px; padding: 60px 0 80px; }
  .blogs-sidebar { position: static; }
  .home-grid { grid-template-columns: 1fr; }
  .home-card { height: 220px; }
  .podcast-grid { grid-template-columns: 1fr; }
  .home-hero h1 { letter-spacing: -1px; }
  .home-post-item { grid-template-columns: 58px 1fr; }
  .home-post-cat { display: none; }
}

@media (max-width: 480px) {
  .hero { padding: 60px 0 40px; }
  .post-item { flex-direction: column; gap: 4px; }
}