:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #edf3f9;
  --ink: #1a2433;
  --muted: #627286;
  --line: #dbe5ef;
  --primary: #153a57;
  --primary-2: #1f5d89;
  --accent: #c9a45f;
  --shadow: 0 14px 32px rgba(17, 37, 56, 0.09);
  --radius: 14px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--ink);
  line-height: 1.7;
  background:
    radial-gradient(circle at 100% 0%, rgba(201, 164, 95, 0.13), transparent 32%),
    radial-gradient(circle at 0% 20%, rgba(31, 93, 137, 0.08), transparent 30%),
    var(--bg);
}

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

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(92vw, var(--container));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  background: #111;
  color: #fff;
  padding: 0.6rem 0.95rem;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.blog-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(9px);
  border-bottom: 1px solid rgba(26, 36, 51, 0.08);
}

.blog-nav {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
}

.brand img {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  object-fit: cover;
  border: 1px solid rgba(201, 164, 95, 0.42);
}

.brand strong {
  display: block;
  font-family: "Be Vietnam Pro", sans-serif;
  font-size: 1.04rem;
  line-height: 1.1;
}

.brand small {
  color: var(--muted);
  font-size: 0.76rem;
}

.blog-nav-links {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.64rem 1.05rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
  font-size: 0.9rem;
  transition: transform 0.2s ease, background 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-2), var(--primary));
  color: #fff;
}

.btn-light {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}

.hero {
  padding: 3.2rem 0 2.2rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  gap: 1rem;
  align-items: stretch;
}

.hero-copy {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.3rem;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary-2);
  font-weight: 800;
  font-size: 0.83rem;
}

.hero-copy h1 {
  margin: 0.7rem 0 0.9rem;
  font-family: "Be Vietnam Pro", sans-serif;
  font-size: clamp(1.85rem, 4.2vw, 3rem);
  line-height: 1.2;
}

.hero-copy p {
  margin: 0;
  color: var(--muted);
}

.hero-media {
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.layout {
  padding-bottom: 4rem;
}

.layout-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 1rem;
}

.toolbar {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 0.85rem;
  display: grid;
  gap: 0.72rem;
}

.search-box input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.64rem 0.72rem;
  font: inherit;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.chip {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 0.42rem 0.75rem;
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 700;
  cursor: pointer;
}

.chip.is-active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.post-list {
  margin-top: 0.9rem;
  display: grid;
  gap: 0.9rem;
}

.post-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
}

.post-card.is-hidden {
  display: none;
}

.post-card img {
  width: 100%;
  height: 100%;
  min-height: 210px;
  object-fit: cover;
}

.post-body {
  padding: 0.95rem 1rem;
}

.post-meta {
  margin: 0 0 0.35rem;
  color: var(--primary-2);
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.post-body h2 {
  margin: 0;
  font-family: "Be Vietnam Pro", sans-serif;
  font-size: 1.24rem;
  line-height: 1.35;
}

.post-excerpt {
  margin: 0.56rem 0 0.72rem;
  color: var(--muted);
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.post-tags span {
  font-size: 0.74rem;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  font-weight: 700;
}

.sidebar {
  display: grid;
  gap: 0.9rem;
  align-content: start;
}

.side-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 0.95rem;
}

.side-card h3 {
  margin: 0 0 0.55rem;
  font-family: "Be Vietnam Pro", sans-serif;
  font-size: 1.05rem;
}

.side-card p,
.side-card li {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.side-card ul {
  margin: 0;
  padding-left: 1rem;
  display: grid;
  gap: 0.35rem;
}

.side-card a {
  color: var(--primary-2);
  font-weight: 700;
}

.article {
  padding: 3rem 0 3.6rem;
}

.article-shell {
  width: min(90vw, 900px);
  margin-inline: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.article-cover img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.article-body {
  padding: 1.2rem 1.3rem 1.5rem;
}

.breadcrumbs {
  margin: 0 0 0.6rem;
  font-size: 0.84rem;
  color: var(--muted);
}

.article-body h1 {
  margin: 0;
  font-family: "Be Vietnam Pro", sans-serif;
  font-size: clamp(1.68rem, 3.8vw, 2.3rem);
  line-height: 1.3;
}

.article-meta {
  margin: 0.55rem 0 0.95rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.article-body h2 {
  margin: 1.1rem 0 0.45rem;
  font-family: "Be Vietnam Pro", sans-serif;
  font-size: 1.24rem;
}

.article-body p,
.article-body li {
  color: #344457;
}

.article-body ul,
.article-body ol {
  padding-left: 1.05rem;
}

.article-gallery {
  margin: 1rem 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.72rem;
}

.article-gallery figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
}

.article-gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.article-gallery figcaption {
  padding: 0.55rem 0.62rem;
  color: var(--muted);
  font-size: 0.84rem;
}


.article-cta {
  margin-top: 1.15rem;
  padding: 0.95rem;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.blog-footer {
  border-top: 1px solid rgba(26, 36, 51, 0.1);
  background: #0f2234;
  color: #d4e2f2;
  min-height: 72px;
  display: flex;
  align-items: center;
}

.blog-footer p {
  margin: 0;
  font-size: 0.88rem;
}

@media (max-width: 980px) {
  .hero-grid,
  .layout-grid {
    grid-template-columns: 1fr;
  }

  .post-card {
    grid-template-columns: 1fr;
  }

  .post-card img {
    min-height: 220px;
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 700px) {
  .article-gallery {
    grid-template-columns: 1fr;
  }

  .blog-nav {
    flex-wrap: wrap;
    justify-content: center;
    padding: 0.6rem 0;
  }

  .brand {
    width: 100%;
    justify-content: center;
  }

  .blog-nav-links {
    width: 100%;
    justify-content: center;
  }

  .hero {
    padding-top: 2.2rem;
  }

  .article-body {
    padding: 1rem;
  }
}