:root {
  --bg: #f4f6fb;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: #ffffff;
  --ink: #10203d;
  --muted: #5f6e8b;
  --line: rgba(16, 32, 61, 0.1);
  --accent: #2d63ff;
  --accent-soft: rgba(45, 99, 255, 0.12);
  --shadow: 0 18px 48px rgba(16, 32, 61, 0.08);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --shell: min(1180px, calc(100vw - 36px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Manrope', sans-serif;
  background:
    radial-gradient(circle at top left, rgba(45, 99, 255, 0.12), transparent 26%),
    linear-gradient(180deg, #f8fbff 0%, var(--bg) 46%, #eef2f8 100%);
  color: var(--ink);
}

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

img {
  max-width: 100%;
}

.shell {
  width: var(--shell);
  margin: 0 auto;
}

.narrow {
  width: min(840px, calc(100vw - 36px));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(244, 246, 251, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.55);
}

.header-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(145deg, #2146b6 0%, #4f85ff 100%);
  color: white;
  font-family: 'Fraunces', serif;
  font-weight: 700;
  box-shadow: var(--shadow);
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-text strong {
  font-size: 1.04rem;
}

.brand-text em {
  font-size: 0.8rem;
  color: var(--muted);
  font-style: normal;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.main-nav a {
  color: var(--muted);
  font-size: 0.94rem;
}

.main-nav a:hover,
.text-link:hover,
.post-item h3 a:hover,
.list-item h2 a:hover {
  color: var(--accent);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 56px 0 34px;
}

.hero-backdrop {
  position: absolute;
  inset: 18px 0 0;
  background:
    linear-gradient(135deg, rgba(18, 52, 120, 0.95), rgba(45, 99, 255, 0.78)),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.26), transparent 24%);
  mask-image: linear-gradient(180deg, black 0%, black 82%, transparent 100%);
}

.hero::after {
  content: '';
  position: absolute;
  inset: 18px 0 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: 0.45;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  min-height: max(560px, calc(100svh - 220px));
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  gap: 28px;
  align-items: end;
}

.hero-copy {
  padding: 48px 0 48px;
  color: white;
}

.eyebrow {
  margin: 0 0 18px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.74rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.76);
}

.page-hero .eyebrow,
.section-heading .eyebrow,
.article-header .post-meta-row span,
.list-item .post-meta-row span,
.post-item .post-meta-row span {
  color: var(--accent);
}

.hero h1,
.page-hero h1,
.article-header h1,
.section-heading h2 {
  margin: 0;
  font-family: 'Fraunces', serif;
  line-height: 0.98;
  letter-spacing: -0.03em;
}

.hero h1 {
  max-width: 10ch;
  font-size: clamp(3.4rem, 8vw, 6.8rem);
}

.hero-text {
  max-width: 620px;
  margin: 24px 0 0;
  font-size: 1.12rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.button:hover,
.channel:hover,
.post-item:hover,
.list-item:hover {
  transform: translateY(-2px);
}

.button.primary {
  background: white;
  color: #16316d;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.12);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-panel,
.channel,
.post-item,
.list-item,
.article-content,
.page-intro {
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.hero-panel {
  align-self: end;
  padding: 24px;
  border-radius: var(--radius-lg);
  color: white;
  background: rgba(12, 24, 54, 0.38);
  border-color: rgba(255, 255, 255, 0.12);
}

.hero-panel p {
  margin: 0 0 18px;
  color: rgba(255, 255, 255, 0.72);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.75rem;
}

.hero-panel ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 18px;
}

.hero-panel li {
  display: grid;
  gap: 4px;
}

.hero-panel span {
  font-size: 1.02rem;
  font-weight: 700;
}

.hero-panel strong {
  font-size: 0.92rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.72);
}

.section {
  padding: 54px 0;
}

.section-heading {
  display: grid;
  gap: 10px;
  margin-bottom: 26px;
}

.section-heading h2,
.page-hero h1,
.article-header h1 {
  font-size: clamp(2.3rem, 5vw, 4.2rem);
}

.split {
  grid-template-columns: 1fr auto;
  align-items: end;
}

.text-link {
  align-self: center;
  color: var(--muted);
  font-weight: 700;
}

.channel-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.channel,
.post-item,
.list-item {
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: transform 180ms ease, border-color 180ms ease;
}

.channel {
  min-height: 240px;
  display: grid;
  align-content: end;
  gap: 10px;
}

.channel p,
.post-meta-row,
.footer-copy,
.article-dek,
.page-intro,
.article-content p,
.article-content li,
.list-item p,
.post-item p {
  color: var(--muted);
}

.channel p,
.footer-title {
  margin: 0;
  font-weight: 800;
}

.channel h3,
.post-item h3,
.list-item h2 {
  margin: 0;
  font-size: 1.55rem;
  line-height: 1.15;
}

.channel span {
  line-height: 1.7;
}

.post-feed {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.list-shell {
  display: grid;
  gap: 18px;
  width: min(920px, calc(100vw - 36px));
  margin: 0 auto 64px;
}

.post-item {
  display: grid;
  gap: 12px;
}

.post-meta-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.page-hero {
  padding: 64px 0 18px;
}

.page-intro {
  margin-top: 18px;
  padding: 20px 22px;
  border-radius: var(--radius-md);
  line-height: 1.8;
}

.article-shell {
  padding: 68px 0 64px;
}

.article-header {
  margin-bottom: 28px;
}

.article-dek {
  font-size: 1.12rem;
  line-height: 1.8;
  margin: 18px 0 0;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.tag-row span {
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 700;
}

.article-content {
  border-radius: calc(var(--radius-lg) + 2px);
  padding: 30px;
  line-height: 1.9;
}

.article-content h2,
.article-content h3 {
  margin-top: 34px;
  margin-bottom: 12px;
  font-family: 'Fraunces', serif;
  letter-spacing: -0.02em;
}

.article-content ul {
  padding-left: 20px;
}

.article-content code {
  padding: 0.14rem 0.38rem;
  border-radius: 8px;
  background: rgba(16, 32, 61, 0.06);
  font-size: 0.92em;
}

.site-footer {
  padding: 20px 0 42px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  padding: 28px 0 0;
  border-top: 1px solid var(--line);
}

.footer-title {
  font-size: 1rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links a {
  color: var(--muted);
}

@media (max-width: 920px) {
  .header-inner,
  .footer-inner,
  .split,
  .hero-inner,
  .channel-grid {
    grid-template-columns: 1fr;
    display: grid;
  }

  .header-inner {
    padding: 14px 0;
  }

  .main-nav {
    gap: 12px;
  }

  .hero {
    padding-top: 24px;
  }

  .hero-inner {
    min-height: auto;
    align-items: start;
  }

  .hero h1 {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .shell,
  .narrow {
    width: min(100vw - 24px, 1000px);
  }

  .site-header {
    position: static;
  }

  .hero-copy {
    padding: 40px 0 22px;
  }

  .hero h1,
  .page-hero h1,
  .article-header h1,
  .section-heading h2 {
    font-size: 2.45rem;
  }

  .hero-text,
  .article-dek,
  .article-content {
    font-size: 1rem;
  }

  .article-content,
  .channel,
  .post-item,
  .list-item,
  .hero-panel {
    padding: 20px;
  }

  .post-meta-row {
    flex-direction: column;
    align-items: flex-start;
  }
}
.article-toc {
  margin: 0 0 22px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.article-toc-label {
  margin: 0 0 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  font-weight: 800;
}

.article-toc nav > ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.article-toc li {
  color: var(--muted);
}

.article-toc a:hover {
  color: var(--accent);
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  overflow: hidden;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
}

.article-content th,
.article-content td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.article-content th {
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: rgba(45, 99, 255, 0.06);
}

.article-content tr:last-child td {
  border-bottom: 0;
}

.article-content blockquote {
  margin: 26px 0;
  padding: 18px 20px;
  border-left: 4px solid var(--accent);
  background: rgba(45, 99, 255, 0.08);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.article-content hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 32px 0;
}
@media (max-width: 920px) {
  .post-feed {
    grid-template-columns: 1fr;
  }
}
.note-strip {
  padding-top: 8px;
  padding-bottom: 74px;
}

.note-strip-inner {
  padding: 30px 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.note-strip-inner h2 {
  margin: 0 0 10px;
  font-family: 'Fraunces', serif;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.03em;
}

.note-strip-inner p:last-child {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}