:root {
  --ink: #12151c;
  --ink-soft: #3a4150;
  --paper: #f3f5f8;
  --paper-2: #e7ebf1;
  --line: #cfd6e0;
  --accent: #0f766e;
  --accent-ink: #0b4f4a;
  --white: #ffffff;
  --radius: 4px;
  --shell: 1120px;
  --narrow: 720px;
  --font-display: "Syne", sans-serif;
  --font-body: "Figtree", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, #d9efe9 0%, transparent 55%),
    radial-gradient(900px 400px at 100% 0%, #dde4f0 0%, transparent 50%),
    var(--paper);
  line-height: 1.6;
}
img { max-width: 100%; height: auto; }
a { color: var(--accent-ink); text-underline-offset: 0.15em; }
a:hover { color: var(--accent); }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--white);
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 0; }

.shell {
  width: min(100% - 2rem, var(--shell));
  margin-inline: auto;
}
.shell.narrow { width: min(100% - 2rem, var(--narrow)); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
  flex-wrap: wrap;
}
.brand {
  text-decoration: none;
  color: var(--ink);
  display: grid;
  gap: 0.1rem;
}
.brand-mark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}
.brand-tag {
  font-size: 0.78rem;
  color: var(--ink-soft);
  max-width: 280px;
}
.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.1rem;
}
.nav a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  font-size: 0.95rem;
}
.nav a:hover { color: var(--accent); }

.hero {
  padding: 3.5rem 0 2.5rem;
  border-bottom: 1px solid var(--line);
}
.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 4.4rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin: 0.2rem 0 0.6rem;
}
.hero-lead {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  max-width: 36rem;
}
.hero-sub {
  color: var(--ink-soft);
  max-width: 38rem;
  margin: 0 0 1.75rem;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-ink);
  margin: 0;
}
.pillar-entry {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}
.pillar-card {
  display: grid;
  gap: 0.45rem;
  padding: 1.1rem 1rem;
  text-decoration: none;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-height: 8.5rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.pillar-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.pillar-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
}
.pillar-desc {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.section { padding: 2.5rem 0; }
.section-muted { background: color-mix(in srgb, var(--paper-2) 70%, transparent); }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.1rem;
}
.section-head h2,
.page-hero h1,
.article h1 {
  font-family: var(--font-display);
  letter-spacing: -0.03em;
  margin: 0.3rem 0;
}
.h-small { font-size: 1rem; text-transform: uppercase; letter-spacing: 0.06em; }

.page-hero { padding: 2rem 0 1rem; }
.lead { font-size: 1.1rem; color: var(--ink-soft); max-width: 40rem; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}
.content-card {
  display: grid;
  gap: 0.45rem;
  padding: 1.1rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.2s ease;
}
.content-card:hover { border-color: var(--accent); }
.content-card h2,
.content-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0;
  letter-spacing: -0.02em;
}
.content-card p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }
.content-card time { font-size: 0.8rem; color: var(--ink-soft); }
.pill {
  display: inline-block;
  width: fit-content;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-ink);
}

.scene-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}
.scene-link {
  text-decoration: none;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
}
.scene-link:hover {
  border-color: var(--accent);
  color: var(--accent-ink);
}

.method-block {
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
  max-width: 40rem;
}
.text-link { font-weight: 700; text-decoration: none; }

.breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0;
  margin: 0 0 0.8rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
}
.breadcrumbs li:not(:last-child)::after {
  content: "/";
  margin-left: 0.35rem;
  color: var(--line);
}
.breadcrumbs a { color: var(--ink-soft); text-decoration: none; }
.breadcrumbs a:hover { color: var(--accent); }

.prose { padding-bottom: 1rem; }
.prose h2, .prose h3 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  margin-top: 1.8rem;
}
.prose p, .prose li { color: var(--ink-soft); }
.prose strong { color: var(--ink); }

.product-card {
  display: grid;
  gap: 1rem;
  padding: 1.15rem;
  margin: 1rem 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.product-name {
  font-family: var(--font-display);
  margin: 0 0 0.4rem;
  font-size: 1.2rem;
}
.product-meta {
  display: grid;
  gap: 0.55rem;
  margin: 0.8rem 0 0;
}
.product-meta dt {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  font-weight: 700;
}
.product-meta dd { margin: 0.15rem 0 0; }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.92rem;
  border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: var(--white); }
.btn-primary:hover { background: var(--accent-ink); color: var(--white); }
.btn-secondary {
  background: var(--white);
  border-color: var(--line);
  color: var(--ink);
}
.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink-soft);
}
.affiliate-note { margin: 0 0 0.55rem; }

.site-footer {
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  padding: 2rem 0 2.5rem;
  background: #ebf0f5;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.5rem;
}
.footer-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  margin: 0 0 0.3rem;
}
.footer-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  margin: 0 0 0.5rem;
}
.footer-grid a {
  display: block;
  text-decoration: none;
  color: var(--ink-soft);
  margin: 0.25rem 0;
}
.footer-note { margin-top: 1.4rem; }
.muted { color: var(--ink-soft); }
.small { font-size: 0.85rem; }

@media (max-width: 800px) {
  .pillar-entry { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .brand-tag { display: none; }
}