:root {
  --ink: #000000;
  --canvas: #ffffff;
  --hairline: #e6e6e6;
  --hairline-soft: #f1f1f1;
  --surface-soft: #f7f7f5;
  --block-lime: #dceeb1;
  --block-lilac: #c5b0f4;
  --block-cream: #f4ecd6;
  --block-mint: #c8e6cd;
  --block-coral: #f3c9b6;
  --block-navy: #1f1d3d;
  --accent-magenta: #ff3d8b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--canvas);
  color: var(--ink);
  line-height: 1.45;
  font-weight: 400;
}

h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.02em; margin: 0; }
h1 { font-size: 3rem; line-height: 1.05; letter-spacing: -0.03em; font-weight: 340; }
h2 { font-size: 1.9rem; margin-top: 2rem; font-weight: 340; }
h3 { font-size: 1.3rem; margin-top: 1.4rem; font-weight: 700; }
p { font-size: 1rem; font-weight: 320; }

a { color: var(--ink); }
a:hover { text-decoration: underline; }

.top-nav {
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 50;
}
.top-nav .logo { font-weight: 700; font-size: 1.1rem; }
.top-nav nav { display: flex; align-items: center; gap: 28px; }
.top-nav nav a { font-size: 0.92rem; font-weight: 480; text-decoration: none; color: var(--ink); }
.top-nav nav a:hover { text-decoration: underline; }
.menu-toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; }

.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--ink);
  display: block;
  margin-bottom: 10px;
}

.page-wrap { max-width: 860px; margin: 0 auto; padding: 40px 24px 64px; }
.page-wrap-wide { max-width: 1180px; margin: 0 auto; padding: 40px 24px 64px; }

.breadcrumb-nav { font-size: 0.85rem; margin-bottom: 20px; }
.breadcrumb-nav a { color: #555; }

.color-block {
  border-radius: 24px;
  padding: 48px;
  margin: 32px 0;
}
.color-block.block-lime { background: var(--block-lime); }
.color-block.block-lilac { background: var(--block-lilac); }
.color-block.block-cream { background: var(--block-cream); }
.color-block.block-mint { background: var(--block-mint); }
.color-block.block-coral { background: var(--block-coral); }
.color-block.block-navy { background: var(--block-navy); color: #ffffff; }
.color-block h2, .color-block h3 { margin-top: 0; }

.hero-block {
  border-radius: 24px;
  padding: 64px 48px;
  margin: 0 0 40px;
}

.pill-btn {
  display: inline-block;
  background: var(--ink);
  color: var(--canvas);
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 480;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
}
.pill-btn:hover { text-decoration: none; opacity: 0.85; }
.pill-btn-outline {
  display: inline-block;
  background: var(--canvas);
  color: var(--ink);
  padding: 9px 22px;
  border-radius: 50px;
  font-weight: 480;
  font-size: 1rem;
  border: 1px solid var(--ink);
  cursor: pointer;
  text-decoration: none;
}

.toc-box {
  background: var(--surface-soft);
  border-radius: 8px;
  padding: 22px 26px;
  margin: 24px 0 32px;
}
.toc-box h4 { margin: 0 0 10px; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; }
.toc-box ol { margin: 0; padding-left: 20px; }
.toc-box li { margin-bottom: 6px; }

.digest-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin: 28px 0;
}
.digest-card {
  background: var(--surface-soft);
  border-radius: 8px;
  padding: 24px;
}
.digest-card .card-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 10px;
}
.digest-card h3 { margin: 0 0 8px; font-size: 1.15rem; }
.digest-card p { font-size: 0.92rem; }
.digest-card a.read-link { font-weight: 480; font-size: 0.9rem; }

figure.article-image { margin: 24px 0; }
figure.article-image img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
}
figure.article-image figcaption { font-size: 0.82rem; color: #555; margin-top: 8px; }

.disclaimer-block {
  background: var(--surface-soft);
  border-left: 3px solid var(--ink);
  padding: 14px 18px;
  font-size: 0.86rem;
  color: #333;
  border-radius: 6px;
  margin: 24px 0;
}

.related-content { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--hairline); }
.related-content h3 { margin-top: 0; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.related-item { border: 1px solid var(--hairline); border-radius: 8px; padding: 18px; }
.related-item a { font-weight: 700; }
.related-item p { font-size: 0.88rem; color: #444; }

.timeline { margin: 28px 0; padding-left: 0; list-style: none; border-left: 2px solid var(--hairline); }
.timeline li { position: relative; padding: 4px 0 22px 26px; }
.timeline li::before {
  content: '';
  position: absolute;
  left: -7px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--canvas);
}
.timeline .tl-label { display: block; font-weight: 700; font-size: 0.95rem; }
.timeline p { margin: 4px 0 0; color: #444; font-size: 0.92rem; }

details.faq-item {
  border: 1px solid var(--hairline);
  border-radius: 8px;
  padding: 14px 18px;
  margin-bottom: 12px;
}
details.faq-item summary { cursor: pointer; font-weight: 700; list-style: none; }
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary::before { content: '+ '; font-weight: 700; }
details.faq-item[open] summary::before { content: '\2013 '; }

.read-more-block { max-height: 90px; overflow: hidden; }
.read-more-block.expanded { max-height: none; }
.read-more-toggle {
  background: none; border: none; color: var(--ink); font-weight: 700;
  font-size: 0.9rem; cursor: pointer; padding: 8px 0; text-decoration: underline;
}

.contact-form { max-width: 480px; }
.contact-form label { display: block; font-weight: 600; font-size: 0.86rem; margin: 14px 0 6px; }
.contact-form input, .contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--hairline);
  font-family: inherit;
  font-size: 0.95rem;
}
.contact-form .error-msg { color: #d0233e; font-size: 0.82rem; margin-top: 4px; display: none; }
.contact-form .success-msg {
  display: none;
  background: var(--block-mint);
  border-radius: 8px;
  padding: 14px;
  margin-top: 16px;
  color: #0a5c2e;
  font-weight: 600;
}

.site-footer {
  background: var(--canvas);
  color: var(--ink);
  padding: 64px 32px 32px;
  margin-top: 40px;
  border-top: 1px solid var(--hairline);
}
.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
}
.footer-inner h5 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}
.footer-inner ul { list-style: none; padding: 0; margin: 0; }
.footer-inner li { margin-bottom: 8px; }
.footer-inner a { font-size: 0.9rem; text-decoration: none; color: var(--ink); }
.footer-inner a:hover { text-decoration: underline; }
.footer-bottom {
  max-width: 1180px;
  margin: 32px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--hairline-soft);
  font-size: 0.82rem;
  color: #555;
}
.footer-disclaimer { max-width: 900px; margin-bottom: 6px; }

.cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--ink);
  color: #ffffff;
  padding: 18px 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  z-index: 100;
}
.cookie-banner p { margin: 0; font-size: 0.88rem; max-width: 640px; }
.cookie-banner .cookie-actions { display: flex; gap: 10px; }
.cookie-banner button {
  border-radius: 50px; padding: 8px 20px; font-weight: 700; font-size: 0.85rem;
  border: none; cursor: pointer;
}
.cookie-accept { background: var(--accent-magenta); color: #ffffff; }
.cookie-reject { background: transparent; color: #ffffff; border: 1px solid #ffffff !important; }

@media (max-width: 900px) {
  .top-nav nav {
    display: none;
    position: absolute;
    top: 56px; left: 0; right: 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px;
    gap: 14px;
  }
  .top-nav nav.open { display: flex; }
  .menu-toggle { display: block; }
  h1 { font-size: 2.1rem; }
  .color-block, .hero-block { padding: 28px; border-radius: 16px; }
  .page-wrap, .page-wrap-wide { padding: 24px 18px 40px; }
}