:root {
  --ink: #1a1c20;
  --paper: #f7f6f3;
  --card: #ffffff;
  --line: #e4e1d8;
  --accent: #d8562f;
  --muted: #75726a;
  --radius: 10px;
}

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

body {
  font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- HEADER ---------- */
.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 20px;
  flex-wrap: wrap;
}
.logo {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  white-space: nowrap;
}
.logo span { color: var(--accent); }

.search-form {
  flex: 1;
  max-width: 420px;
  display: flex;
  min-width: 160px;
}
.search-form input {
  flex: 1;
  border: 1px solid var(--line);
  border-right: none;
  border-radius: 6px 0 0 6px;
  padding: 9px 12px;
  font-size: 14px;
  outline: none;
  background: var(--paper);
}
.search-form input:focus { border-color: var(--accent); }
.search-form button {
  border: none;
  background: var(--ink);
  color: #fff;
  padding: 0 16px;
  border-radius: 0 6px 6px 0;
  cursor: pointer;
  font-size: 14px;
}
.search-form button:hover { background: var(--accent); }

.nav-menu {
  display: flex;
  gap: 22px;
  list-style: none;
}
.nav-menu a {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--muted);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}
.nav-menu a:hover,
.nav-menu a.active {
  color: var(--ink);
  border-color: var(--accent);
}

/* ---------- HERO ---------- */
.hero {
  padding: 46px 20px;
  text-align: center;
}
.hero h1 {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.5px;
}
.hero p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 15.5px;
}

/* ---------- SECTIONS ---------- */
.section { padding: 30px 20px 46px; }
.section-title {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-title::before {
  content: '';
  width: 5px;
  height: 22px;
  background: var(--accent);
  border-radius: 3px;
  display: inline-block;
}

/* ---------- BLOG GRID (4 per row, responsive) ---------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
@media (max-width: 1024px) { .blog-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px)  { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px)  { .blog-grid { grid-template-columns: 1fr; } }

/* ---------- BLOG LIST (blogs page, stacked by date) ---------- */
.blog-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.blog-list-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  gap: 18px;
  overflow: hidden;
  transition: box-shadow .15s, transform .15s;
}
.blog-list-item:hover { box-shadow: 0 10px 24px -12px rgba(0,0,0,0.18); transform: translateY(-2px); }
.blog-list-item img {
  width: 220px;
  height: 150px;
  object-fit: cover;
  flex-shrink: 0;
}
.blog-list-info { padding: 16px 18px 16px 0; display: flex; flex-direction: column; gap: 6px; flex: 1; }
@media (max-width: 640px) {
  .blog-list-item { flex-direction: column; }
  .blog-list-item img { width: 100%; height: 190px; }
  .blog-list-info { padding: 0 16px 16px; }
}

/* ---------- CARD ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow .15s, transform .15s;
  position: relative;
}
.card:hover { box-shadow: 0 10px 24px -12px rgba(0,0,0,0.18); transform: translateY(-2px); }
.card-img { width: 100%; height: 150px; object-fit: cover; background: #eee; }
.card-body { padding: 14px 15px 16px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card-title { font-size: 15.5px; font-weight: 700; line-height: 1.3; }
.card-meta { font-size: 12.5px; color: var(--muted); display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.popular-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--accent);
  color: #fff;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 4px 9px;
  border-radius: 20px;
}

.views-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.views-badge::before { content: '👁'; font-size: 12px; }

/* ---------- POPULAR ROW ---------- */
.popular-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
@media (max-width: 1024px) { .popular-row { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px)  { .popular-row { grid-template-columns: 1fr; } }

/* ---------- SINGLE POST ---------- */
.post-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 36px;
  align-items: start;
}
.post-main { min-width: 0; max-width: 780px; }
.post-sidebar { position: sticky; top: 84px; }

@media (max-width: 900px) {
  .post-layout { grid-template-columns: 1fr; }
  .post-main { max-width: 100%; }
  .post-sidebar { position: static; }
}

/* ---------- AD PLACEMENTS ---------- */
.ad-box {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
  text-align: center;
}
.ad-label {
  display: block;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  margin-bottom: 8px;
}
.ad-box img { width: 100%; height: auto; border-radius: 6px; margin: 0 auto; }
.ad-box-mid { margin: 30px 0; max-width: 100%; }

.post-hero-img { width: 100%; max-height: 420px; object-fit: cover; border-radius: var(--radius); }
.post-title { font-size: clamp(24px, 4vw, 34px); font-weight: 800; margin: 22px 0 8px; }
.post-meta { color: var(--muted); font-size: 14px; display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 22px; }
.post-content { font-size: 16.5px; line-height: 1.8; }
.post-content p { margin-bottom: 16px; }
.post-content img { border-radius: var(--radius); margin: 18px 0; }
.tag-chip {
  display: inline-block;
  font-size: 12px;
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 4px 11px;
  border-radius: 20px;
  margin-right: 6px;
}

/* ---------- EMPTY STATE ---------- */
.empty-state { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty-state h3 { font-size: 20px; color: var(--ink); margin-bottom: 8px; }

/* ---------- FOOTER ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 20px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  background: var(--card);
}