/* BellyBands.com — aStore-style affiliate guide */
:root {
  --brand: #c45b8c;
  --brand-dark: #9a3f6a;
  --brand-soft: #f7e8ef;
  --ink: #2a2430;
  --muted: #5c5360;
  --line: #e8dee6;
  --bg: #fbf8fa;
  --card: #ffffff;
  --amazon: #ff9900;
  --amazon-ink: #111;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(42, 36, 48, 0.08);
  --max: 1120px;
  --rail: 300px;
  --font: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
}

*, *::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: 1.05rem;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand-dark); }
a:hover { color: var(--brand); }
.container { width: min(100% - 2rem, var(--max)); margin-inline: auto; }

/* Header / Nav */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  flex-wrap: wrap;
}
.logo {
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.logo span { color: var(--brand); }
.nav { display: flex; flex-wrap: wrap; gap: 0.35rem 1rem; align-items: center; }
.nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 550;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--brand-dark); }
.nav-toggle {
  display: none;
  background: var(--brand-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.4rem 0.75rem;
  font: inherit;
  cursor: pointer;
}

/* Banner */
.hero-banner {
  background: url("../images/banner-bg.svg") center/cover no-repeat, linear-gradient(120deg, #f7e8ef, #e4eef7);
  border-bottom: 1px solid var(--line);
  padding: 2.5rem 0 2.25rem;
  text-align: center;
}
.hero-banner h1 {
  margin: 0 0 0.35rem;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.03em;
  color: var(--ink);
}
.hero-banner .tagline {
  margin: 0;
  font-size: 1.15rem;
  color: var(--brand-dark);
  font-weight: 600;
}
.hero-banner .sub {
  margin: 0.65rem auto 0;
  max-width: 36rem;
  color: var(--muted);
  font-size: 0.98rem;
}

/* Layout */
.page-wrap { padding: 2rem 0 3rem; }
.layout {
  display: grid;
  grid-template-columns: 1fr var(--rail);
  gap: 2rem;
  align-items: start;
}
.main-content {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem 1.75rem 2rem;
  box-shadow: var(--shadow);
}
.main-content h1, .main-content h2, .main-content h3 { line-height: 1.25; letter-spacing: -0.02em; }
.main-content h1 { margin-top: 0; font-size: 1.75rem; }
.main-content h2 { margin-top: 1.75rem; font-size: 1.35rem; color: var(--brand-dark); }
.main-content h3 { margin-top: 1.25rem; font-size: 1.1rem; }
.main-content p, .main-content li { color: var(--ink); }
.main-content ul, .main-content ol { padding-left: 1.25rem; }
.main-content li { margin-bottom: 0.4rem; }
.lead { font-size: 1.12rem; color: var(--muted); }

/* Product rail */
.product-rail {
  position: sticky;
  top: 4.5rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}
.product-rail h2 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}
.rail-note {
  margin: 0 0 0.85rem;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.4;
}
.product-card {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 0.65rem;
  padding: 0.7rem 0;
  border-top: 1px solid var(--line);
  align-items: center;
}
.product-card:first-of-type { border-top: none; padding-top: 0; }
.product-card img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 8px;
  background: var(--brand-soft);
  border: 1px solid var(--line);
}
.product-card .pc-title {
  margin: 0 0 0.4rem;
  font-size: 0.82rem;
  line-height: 1.35;
  font-weight: 600;
  color: var(--ink);
}
.btn-amazon {
  display: inline-block;
  background: var(--amazon);
  color: var(--amazon-ink) !important;
  text-decoration: none !important;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  letter-spacing: 0.01em;
}
.btn-amazon:hover { filter: brightness(0.95); }

/* Disclosure */
.disclosure, .medical-note, .affiliate-inline {
  background: var(--brand-soft);
  border: 1px solid #ead2df;
  border-radius: 8px;
  padding: 0.85rem 1rem;
  font-size: 0.88rem;
  color: var(--muted);
  margin: 1rem 0;
}
.medical-note { background: #f3f6f9; border-color: #d5e0ea; }

/* Cards / callouts */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 1.25rem 0;
}
.info-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem;
  background: #fff;
}
.info-card h3 { margin: 0 0 0.4rem; color: var(--brand-dark); }
.info-card p { margin: 0; font-size: 0.95rem; color: var(--muted); }
.info-card a { font-weight: 600; text-decoration: none; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.25rem 0;
}
.btn-secondary {
  display: inline-block;
  border: 1px solid var(--brand);
  color: var(--brand-dark);
  text-decoration: none;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  background: #fff;
}
.btn-secondary:hover { background: var(--brand-soft); }

/* FAQ */
.faq details {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-bottom: 0.65rem;
  background: #fff;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
}
.faq details[open] summary { color: var(--brand-dark); margin-bottom: 0.5rem; }

/* Footer */
.site-footer {
  background: #2a2430;
  color: #e8e2ea;
  padding: 2rem 0 1.5rem;
  font-size: 0.9rem;
}
.site-footer a { color: #f2c7da; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
}
.site-footer h3 { margin: 0 0 0.5rem; font-size: 0.95rem; color: #fff; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 0.35rem; }
.footer-disclosure {
  border-top: 1px solid #4a4150;
  padding-top: 1rem;
  color: #bdb4c4;
  font-size: 0.82rem;
  line-height: 1.5;
}
.footer-meta { margin-top: 0.75rem; color: #9a919f; font-size: 0.8rem; }

/* Forms (contact) */
label { display: block; font-weight: 600; margin-bottom: 0.25rem; font-size: 0.92rem; }
input, textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  margin-bottom: 0.9rem;
  background: #fff;
}
.contact-box {
  background: var(--brand-soft);
  border-radius: 10px;
  padding: 1rem 1.15rem;
  border: 1px solid #ead2df;
}

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .product-rail { position: static; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav-toggle { display: inline-block; }
  .nav { display: none; width: 100%; flex-direction: column; align-items: flex-start; }
  .nav.is-open { display: flex; }
  .main-content { padding: 1.25rem; }
  .product-card { grid-template-columns: 64px 1fr; }
}