/* library:vital-blog */
:root {
    --bg: #f7f4ec;
    --bg-alt: #efeadd;
    --paper: #fbf9f3;
    --ink: #1a1f1a;
    --ink-soft: #4a544a;
    --ink-mute: #7a8478;
    --rule: #e0d9c8;
    --rule-strong: #cfc6b1;
    --accent: #4a6b4d;       /* sage */
    --accent-deep: #2f4a32;
    --amber: #d99a3d;
    --terracotta: #c46b46;
    --plum: #6e4a6b;
    --sky: #6b8aa8;
    --radius: 14px;
    --shadow-sm: 0 1px 2px rgba(26,31,26,.04), 0 0 0 1px rgba(26,31,26,.04);
    --shadow-md: 0 12px 40px -16px rgba(26,31,26,.18), 0 0 0 1px rgba(26,31,26,.05);
  }

  * { box-sizing: border-box; }
  html, body { margin: 0; padding: 0; }
  body {
    background: var(--bg);
    color: var(--ink);
    font-family: 'Geist', ui-sans-serif, system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  .serif { font-family: 'Fraunces', 'Instrument Serif', Georgia, serif; font-optical-sizing: auto; letter-spacing: -0.01em; }
  .container { max-width: 1240px; margin: 0 auto; padding: 0 32px; }

  /* ---------- NAV ---------- */
  .nav {
    position: sticky; top: 0; z-index: 50;
    background: color-mix(in oklab, var(--bg) 88%, transparent);
    backdrop-filter: saturate(140%) blur(10px);
    border-bottom: 1px solid transparent;
    transition: border-color .25s, background .25s;
  }
  .nav.scrolled { border-bottom-color: var(--rule); }
  .nav-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 72px;
  }
  .logo {
    display: flex; align-items: center; gap: 10px;
    font-family: 'Fraunces', serif; font-weight: 600; font-size: 22px;
    letter-spacing: -0.02em; color: var(--ink);
    text-decoration: none;
  }
  .logo-mark {
    width: 28px; height: 28px; display: grid; place-items: center;
    background: var(--accent); border-radius: 8px; color: var(--paper);
  }
  .nav-links { display: flex; gap: 4px; align-items: center; }
  .nav-link {
    padding: 8px 14px; border-radius: 999px;
    color: var(--ink-soft); text-decoration: none; font-size: 14.5px; font-weight: 500;
    transition: background .15s, color .15s;
    cursor: pointer; border: 0; background: transparent;
    display: inline-flex; align-items: center; gap: 6px;
  }
  .nav-link:hover { background: var(--bg-alt); color: var(--ink); }
  .nav-link.active { color: var(--ink); background: var(--bg-alt); }
  .nav-right { display: flex; gap: 8px; align-items: center; }
  .icon-btn {
    width: 38px; height: 38px; display: grid; place-items: center;
    border-radius: 999px; border: 1px solid transparent;
    background: transparent; cursor: pointer; color: var(--ink-soft);
    transition: background .15s, border-color .15s;
  }
  .icon-btn:hover { background: var(--bg-alt); border-color: var(--rule); color: var(--ink); }
  .btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 18px; border-radius: 999px;
    font-size: 14px; font-weight: 600; cursor: pointer;
    border: 1px solid transparent; text-decoration: none;
    transition: transform .12s ease, background .15s, color .15s, border-color .15s;
  }
  .btn:active { transform: translateY(1px); }
  .btn-primary { background: var(--ink); color: var(--paper); }
  .btn-primary:hover { background: var(--accent-deep); }
  .btn-ghost { background: transparent; color: var(--ink); }
  .btn-ghost:hover { background: var(--bg-alt); }
  .btn-outline { background: transparent; color: var(--ink); border-color: var(--rule-strong); }
  .btn-outline:hover { background: var(--paper); }

  /* ---------- HEADER ---------- */
  .header { padding: 72px 0 28px; text-align: center; }
  .eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 12.5px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--accent-deep);
    padding: 6px 14px; border-radius: 999px;
    background: color-mix(in oklab, var(--accent) 12%, var(--paper));
    border: 1px solid color-mix(in oklab, var(--accent) 22%, transparent);
  }
  .eyebrow .dot { width: 6px; height: 6px; border-radius: 999px; background: var(--accent); }
  .header h1 {
    font-family: 'Fraunces', serif;
    font-weight: 500;
    font-size: clamp(40px, 6vw, 76px);
    line-height: 1.02;
    letter-spacing: -0.03em;
    margin: 22px auto 18px;
    max-width: 14ch;
  }
  .header h1 em { font-style: italic; font-variation-settings: "SOFT" 100; color: var(--accent-deep); }
  .header p {
    color: var(--ink-soft); max-width: 56ch; margin: 0 auto;
    font-size: 18px; line-height: 1.55;
  }

  /* ---------- TABS ---------- */
  .tabs {
    display: flex; flex-wrap: wrap; justify-content: center; gap: 6px;
    margin: 36px auto 56px; padding: 6px;
    background: var(--paper); border: 1px solid var(--rule);
    border-radius: 999px; width: fit-content; max-width: 100%;
  }
  .tab {
    padding: 9px 18px; border-radius: 999px; cursor: pointer;
    font-size: 14px; font-weight: 500; color: var(--ink-soft);
    border: 0; background: transparent;
    transition: background .15s, color .15s;
    white-space: nowrap;
  }
  .tab:hover { color: var(--ink); }
  .tab.active { background: var(--ink); color: var(--paper); }

  /* ---------- HERO FEATURE ---------- */
  .feature {
    display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: stretch;
    margin-bottom: 80px;
  }
  .feature-art {
    position: relative; overflow: hidden;
    border-radius: 18px; aspect-ratio: 4/3;
    background:
      radial-gradient(120% 90% at 20% 20%, #f5d28a 0%, transparent 55%),
      radial-gradient(120% 90% at 80% 80%, #c46b46 0%, transparent 55%),
      linear-gradient(135deg, #d99a3d 0%, #c46b46 60%, #8a4a2e 100%);
    display: grid; place-items: center;
  }
  .feature-art .layer {
    position: absolute; inset: 0;
    background-image:
      radial-gradient(circle at 30% 70%, rgba(255,255,255,.15), transparent 30%),
      radial-gradient(circle at 70% 30%, rgba(255,255,255,.12), transparent 30%);
    mix-blend-mode: soft-light;
  }
  .feature-art svg.illust { width: 70%; height: 70%; position: relative; z-index: 1; }
  .feature-meta { display: flex; flex-direction: column; justify-content: center; padding: 8px 0; }
  .feature-tag {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 12px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--terracotta); margin-bottom: 18px;
  }
  .feature-tag::before { content: ""; width: 18px; height: 1px; background: var(--terracotta); }
  .feature h2 {
    font-family: 'Fraunces', serif; font-weight: 500;
    font-size: clamp(32px, 3.6vw, 50px); line-height: 1.05;
    letter-spacing: -0.025em; margin: 0 0 22px;
    text-wrap: balance;
  }
  .feature-desc { color: var(--ink-soft); font-size: 17px; max-width: 52ch; margin: 0 0 28px; }
  .byline { display: flex; align-items: center; gap: 14px; margin-bottom: 26px; }
  .avatar {
    width: 36px; height: 36px; border-radius: 999px;
    background: linear-gradient(135deg, #d4a574, #8a6238);
    display: grid; place-items: center; color: white; font-weight: 600; font-size: 13px;
    border: 2px solid var(--paper);
  }
  .byline-text { font-size: 14px; color: var(--ink-soft); }
  .byline-text strong { color: var(--ink); font-weight: 500; }
  .read-more {
    display: inline-flex; align-items: center; gap: 8px;
    color: var(--accent-deep); font-weight: 600; font-size: 15px;
    text-decoration: none; cursor: pointer;
  }
  .read-more:hover .arrow { transform: translateX(4px); }
  .read-more .arrow { transition: transform .2s; }

  /* ---------- ARTICLE GRID ---------- */
  .grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 36px 28px;
    margin-bottom: 96px;
  }
  .card {
    background: transparent; cursor: pointer;
    transition: transform .25s ease;
  }
  .card:hover { transform: translateY(-3px); }
  .card-art {
    position: relative; overflow: hidden;
    border-radius: 14px; aspect-ratio: 4/3;
    margin-bottom: 18px;
    transition: box-shadow .25s;
  }
  .card:hover .card-art { box-shadow: var(--shadow-md); }
  .card-art .pic {
    position: absolute; inset: 0;
    display: grid; place-items: center;
    transition: transform .5s ease;
  }
  .card:hover .pic { transform: scale(1.04); }
  .card-cat {
    display: inline-block; font-size: 11.5px; font-weight: 600; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--accent-deep); margin-bottom: 8px;
  }
  .card h3 {
    font-family: 'Fraunces', serif; font-weight: 500;
    font-size: 21px; line-height: 1.18; letter-spacing: -0.015em;
    margin: 0 0 10px; color: var(--ink);
    text-wrap: pretty;
  }
  .card p {
    color: var(--ink-soft); font-size: 14.5px; line-height: 1.5; margin: 0 0 14px;
  }
  .card-meta {
    display: flex; align-items: center; gap: 10px;
    color: var(--ink-mute); font-size: 13px;
  }
  .card-meta .sep { width: 3px; height: 3px; border-radius: 999px; background: var(--ink-mute); }

  /* ---------- TRUSTED ---------- */
  .trusted {
    background: var(--bg-alt);
    padding: 56px 0;
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
  }
  .trusted-head {
    text-align: center; color: var(--ink-mute); font-size: 13px;
    letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 32px;
  }
  .trusted-row {
    display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center;
    gap: 32px; max-width: 1100px; margin: 0 auto;
    padding: 0 32px;
  }
  .trusted-row .pub {
    font-family: 'Fraunces', serif; font-weight: 600; font-size: 18px;
    color: var(--ink); opacity: .55; letter-spacing: -0.01em;
    transition: opacity .2s;
  }
  .trusted-row .pub:hover { opacity: 1; }
  .trusted-row .pub.italic { font-style: italic; }
  .trusted-row .pub.upper { text-transform: uppercase; letter-spacing: 0.08em; font-size: 14px; font-weight: 700; }

  /* ---------- NEWSLETTER ---------- */
  .newsletter {
    padding: 96px 0;
    text-align: center;
  }
  .newsletter-card {
    max-width: 760px; margin: 0 auto;
    background:
      radial-gradient(120% 100% at 0% 0%, color-mix(in oklab, var(--accent) 18%, var(--paper)) 0%, var(--paper) 60%);
    border: 1px solid var(--rule);
    border-radius: 24px; padding: 56px 48px;
    position: relative; overflow: hidden;
  }
  .newsletter-card::before {
    content: ""; position: absolute; right: -60px; top: -60px;
    width: 240px; height: 240px; border-radius: 999px;
    background: radial-gradient(circle, color-mix(in oklab, var(--amber) 50%, transparent) 0%, transparent 70%);
  }
  .newsletter h3 {
    font-family: 'Fraunces', serif; font-weight: 500;
    font-size: clamp(28px, 3vw, 40px); line-height: 1.1; letter-spacing: -0.02em;
    margin: 0 0 14px; position: relative;
  }
  .newsletter p {
    color: var(--ink-soft); margin: 0 auto 28px; max-width: 48ch;
    position: relative;
  }
  .newsletter form {
    display: flex; gap: 8px; max-width: 440px; margin: 0 auto;
    position: relative;
  }
  .newsletter input {
    flex: 1; padding: 13px 18px; border-radius: 999px;
    border: 1px solid var(--rule-strong); background: var(--paper);
    font: inherit; font-size: 15px; color: var(--ink);
    outline: none; transition: border-color .15s, box-shadow .15s;
  }
  .newsletter input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 18%, transparent); }
  .newsletter .success {
    display: none;
    color: var(--accent-deep); font-weight: 500; margin-top: 14px;
  }
  .newsletter.sent .success { display: block; }
  .newsletter.sent form { opacity: .5; pointer-events: none; }

  /* ---------- FOOTER ---------- */
  footer {
    background: var(--ink); color: #c8d0c4;
    padding: 72px 0 32px;
  }
  .foot-grid {
    display: grid; grid-template-columns: 1.3fr repeat(4, 1fr); gap: 40px;
    padding-bottom: 56px; border-bottom: 1px solid rgba(255,255,255,.08);
  }
  .foot-brand .logo { color: var(--paper); }
  .foot-brand p { color: #8a948a; max-width: 28ch; margin: 18px 0 0; font-size: 14.5px; }
  .foot-col h5 {
    font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase;
    color: #8a948a; margin: 0 0 18px; font-weight: 600;
  }
  .foot-col a {
    display: block; color: #c8d0c4; text-decoration: none;
    font-size: 14.5px; padding: 6px 0; transition: color .15s;
  }
  .foot-col a:hover { color: var(--paper); }
  .foot-bot {
    display: flex; justify-content: space-between; align-items: center;
    padding-top: 28px; color: #8a948a; font-size: 13px; flex-wrap: wrap; gap: 16px;
  }
  .socials { display: flex; gap: 8px; }
  .socials a {
    width: 36px; height: 36px; display: grid; place-items: center;
    border-radius: 999px; background: rgba(255,255,255,.06); color: #c8d0c4;
    transition: background .15s;
  }
  .socials a:hover { background: rgba(255,255,255,.12); color: var(--paper); }

  /* ---------- RESPONSIVE ---------- */
  @media (max-width: 980px) {
    .feature { grid-template-columns: 1fr; gap: 28px; }
    .grid { grid-template-columns: repeat(2, 1fr); }
    .foot-grid { grid-template-columns: 1fr 1fr; }
    .nav-links { display: none; }
  }
  @media (max-width: 640px) {
    .container { padding: 0 20px; }
    .grid { grid-template-columns: 1fr; }
    .header { padding: 40px 0 20px; }
    .newsletter-card { padding: 40px 24px; }
    .newsletter form { flex-direction: column; }
    .newsletter input, .newsletter .btn { width: 100%; }
    .foot-grid { grid-template-columns: 1fr 1fr; }
  }

  /* density variants */
  body[data-density="dense"] .grid { gap: 24px 20px; }
  body[data-density="dense"] .card h3 { font-size: 19px; }
  body[data-density="airy"] .grid { gap: 56px 40px; }

  /* corners */
  body[data-corners="square"] .card-art,
  body[data-corners="square"] .feature-art,
  body[data-corners="square"] .newsletter-card { border-radius: 4px; }

  /* dark mode */
  body[data-mode="dark"] {
    --bg: #161814;
    --bg-alt: #1f221d;
    --paper: #20231e;
    --ink: #ecebe3;
    --ink-soft: #b3b6aa;
    --ink-mute: #7a8478;
    --rule: #2a2e27;
    --rule-strong: #3a3f37;
    --accent: #8db38d;
    --accent-deep: #b9d3b9;
  }
  body[data-mode="dark"] .btn-primary { background: var(--paper); color: var(--ink); }
  body[data-mode="dark"] .btn-primary:hover { background: var(--accent); color: #1a1f1a; }
  body[data-mode="dark"] .tab.active { background: var(--paper); color: var(--ink); }
  body[data-mode="dark"] footer { background: #0e100d; }

  /* hero variants */
  body[data-hero="split"] .feature { grid-template-columns: 1fr 1fr; gap: 40px; }
  body[data-hero="full"] .feature {
    grid-template-columns: 1fr; gap: 0; position: relative;
    border-radius: 22px; overflow: hidden; min-height: 480px;
  }
  body[data-hero="full"] .feature-art {
    position: absolute; inset: 0; aspect-ratio: auto; border-radius: 22px;
  }
  body[data-hero="full"] .feature-art::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(0,0,0,.6) 100%);
  }
  body[data-hero="full"] .feature-meta {
    position: relative; z-index: 2; padding: 56px;
    align-self: end; color: var(--paper);
    background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,.5) 100%);
  }
  body[data-hero="full"] .feature h2,
  body[data-hero="full"] .feature-desc,
  body[data-hero="full"] .byline-text,
  body[data-hero="full"] .byline-text strong { color: var(--paper); }
  body[data-hero="full"] .feature-tag { color: #ffd9bf; }
  body[data-hero="full"] .feature-tag::before { background: #ffd9bf; }
  body[data-hero="full"] .read-more { color: #fff; }