/* SleepBetterHQ — replace brand string site-wide when domain is chosen */
:root {
  --bg: #f7f5f2;
  --surface: #ffffff;
  --ink: #1a1a1a;
  --muted: #5c5c5c;
  --line: #e6e1da;
  --accent: #1e4d6b;
  --accent-2: #c97b3a;
  --warn-bg: #fff8e8;
  --warn-border: #e6c97a;
  --own-bg: #eef5f8;
  --own-border: #9bb8c9;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.06);
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
  --max: 720px;
  --wide: 1100px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent-2); }
.container { width: min(100% - 2rem, var(--wide)); margin-inline: auto; }
.narrow { width: min(100% - 2rem, var(--max)); margin-inline: auto; }

/* Ownership banner — unavoidable, every page */
.ownership-bar {
  background: var(--own-bg);
  border-bottom: 2px solid var(--own-border);
  padding: .7rem 0;
  font-size: .92rem;
}
.ownership-bar strong { color: var(--accent); }
.ownership-bar a { font-weight: 600; }

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 40;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .85rem 0; flex-wrap: wrap;
}
.logo {
  font-weight: 750; font-size: 1.25rem; color: var(--ink); text-decoration: none;
  letter-spacing: -0.02em;
}
.logo span { color: var(--accent); }
.nav { display: flex; gap: 1.1rem; flex-wrap: wrap; align-items: center; }
.nav a { color: var(--muted); text-decoration: none; font-size: .95rem; font-weight: 500; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--accent); }

.menu-toggle {
  display: none; background: none; border: 1px solid var(--line);
  border-radius: 8px; padding: .4rem .7rem; font: inherit; cursor: pointer;
}

.hero {
  padding: 3.2rem 0 2.4rem;
  background:
    radial-gradient(ellipse at 10% 0%, rgba(30,77,107,.08), transparent 50%),
    radial-gradient(ellipse at 90% 20%, rgba(201,123,58,.08), transparent 45%),
    var(--bg);
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  line-height: 1.15; margin: 0 0 1rem; letter-spacing: -0.02em;
  max-width: 16ch;
}
.hero .lede { font-size: 1.15rem; color: var(--muted); max-width: 42ch; margin: 0 0 1.5rem; }
.btn {
  display: inline-block; background: var(--accent); color: #fff !important;
  text-decoration: none; padding: .75rem 1.25rem; border-radius: 999px;
  font-weight: 600; font-size: .95rem; border: none; cursor: pointer;
}
.btn:hover { background: #163a52; color: #fff !important; }
.btn-secondary {
  background: transparent; color: var(--accent) !important;
  border: 1.5px solid var(--accent); margin-left: .5rem;
}
.btn-secondary:hover { background: var(--own-bg); }

.section { padding: 2.5rem 0; }
.section h2 {
  font-family: var(--serif); font-size: 1.7rem; margin: 0 0 1rem;
  letter-spacing: -0.01em;
}
.card-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.35rem; box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: .6rem;
}
.card h3 { margin: 0; font-size: 1.1rem; line-height: 1.3; }
.card h3 a { color: var(--ink); text-decoration: none; }
.card h3 a:hover { color: var(--accent); }
.card p { margin: 0; color: var(--muted); font-size: .95rem; flex: 1; }
.card .meta { font-size: .8rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }

.disclosure-box, .method-box, .richard-note, .photo-placeholder, .aff-marker {
  border-radius: var(--radius); padding: 1rem 1.15rem; margin: 1.25rem 0;
}
.disclosure-box {
  background: var(--warn-bg); border: 1px solid var(--warn-border); font-size: .95rem;
}
.method-box {
  background: var(--own-bg); border: 1px solid var(--own-border); font-size: .95rem;
}
.richard-note {
  background: #f3eef8; border: 2px dashed #9b7eb8; font-family: ui-monospace, monospace; font-size: .9rem;
}
.photo-placeholder {
  background: #eceae6; border: 2px dashed #b8b2a8; text-align: center;
  color: var(--muted); min-height: 180px; display: grid; place-items: center;
  font-family: ui-monospace, monospace; font-size: .9rem;
}
.aff-marker {
  display: inline; background: #ffe8d6; border: 1px solid #e8b07a;
  padding: .1rem .4rem; border-radius: 4px; font-family: ui-monospace, monospace;
  font-size: .85em; white-space: nowrap;
}

.article-header { padding: 2.2rem 0 1rem; }
.article-header h1 {
  font-family: var(--serif); font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  line-height: 1.2; margin: 0 0 .75rem; letter-spacing: -0.02em;
}
.byline { color: var(--muted); font-size: .95rem; margin: 0 0 1rem; }
.prose { padding-bottom: 3rem; }
.prose h2 {
  font-family: var(--serif); font-size: 1.45rem; margin: 2rem 0 .75rem;
  letter-spacing: -0.01em;
}
.prose h3 { font-size: 1.15rem; margin: 1.5rem 0 .5rem; }
.prose p { margin: 0 0 1.1rem; }
.prose ul, .prose ol { margin: 0 0 1.1rem; padding-left: 1.3rem; }
.prose li { margin-bottom: .4rem; }
.prose table {
  width: 100%; border-collapse: collapse; margin: 1.25rem 0;
  font-size: .92rem; background: var(--surface);
}
.prose th, .prose td {
  border: 1px solid var(--line); padding: .65rem .75rem; text-align: left; vertical-align: top;
}
.prose th { background: #f0ebe4; }
.pros-cons {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 1.25rem 0;
}
.pros, .cons {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1rem 1.15rem;
}
.pros h3 { color: #2a6b3c; margin-top: 0; }
.cons h3 { color: #8a3b2a; margin-top: 0; }
.who-box {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 1.25rem 0;
}
.who-for, .who-skip {
  background: var(--surface); border-radius: var(--radius);
  padding: 1rem 1.15rem; border: 1px solid var(--line);
}
.who-for { border-top: 3px solid #2a6b3c; }
.who-skip { border-top: 3px solid #8a3b2a; }

.site-footer {
  background: #152029; color: #c9d2d8; padding: 2.5rem 0 2rem; margin-top: 2rem;
  font-size: .92rem;
}
.site-footer a { color: #dce8f0; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; margin-bottom: 2rem;
}
.site-footer h3 { color: #fff; font-size: .95rem; margin: 0 0 .75rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: .4rem; }
.footer-note {
  border-top: 1px solid #2a3a46; padding-top: 1.25rem; color: #9aadb8; font-size: .85rem;
}

.page-title { padding: 2rem 0 1rem; }
.page-title h1 {
  font-family: var(--serif); font-size: clamp(1.7rem, 3vw, 2.3rem);
  margin: 0 0 .5rem;
}

@media (max-width: 760px) {
  .menu-toggle { display: inline-block; }
  .nav { display: none; width: 100%; flex-direction: column; align-items: flex-start; }
  .nav.open { display: flex; }
  .pros-cons, .who-box, .footer-grid { grid-template-columns: 1fr; }
  .btn-secondary { margin-left: 0; margin-top: .5rem; display: inline-block; }
  .hero { padding: 2.2rem 0 1.6rem; }
}