/* ============================================================
   Bartley Weight Loss — Authority Site Stylesheet
   Mobile-first, GEO/AEO friendly, accessible
   ============================================================ */

:root {
  --color-primary: #0F766E;       /* Deep teal — health/medical trust */
  --color-primary-dark: #115E59;
  --color-primary-light: #14B8A6;
  --color-accent: #F59E0B;        /* Amber — high-converting CTA */
  --color-accent-dark: #D97706;
  --color-bg: #FFFFFF;
  --color-bg-soft: #F8FAFC;
  --color-bg-muted: #F1F5F9;
  --color-text: #0F172A;
  --color-text-soft: #334155;
  --color-text-muted: #64748B;
  --color-border: #E2E8F0;
  --color-success: #16A34A;
  --color-danger: #DC2626;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --container-max: 1180px;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-heading: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
html, body { overflow-x: hidden; max-width: 100%; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--color-primary-dark); text-decoration: underline; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-text);
  line-height: 1.25;
  margin: 0 0 .6em 0;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(1.9rem, 4.2vw, 2.6rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; margin-top: 2em; }
h3 { font-size: clamp(1.2rem, 2vw, 1.4rem); font-weight: 700; margin-top: 1.6em; }
h4 { font-size: 1.1rem; font-weight: 600; }

p { margin: 0 0 1.1em 0; color: var(--color-text-soft); }
ul, ol { padding-left: 1.4em; color: var(--color-text-soft); }
li { margin-bottom: .4em; }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Top utility bar ---------- */
.utility-bar {
  background: var(--color-primary-dark);
  color: #fff;
  font-size: 13px;
  padding: 8px 0;
  text-align: center;
}
.utility-bar a { color: #fff; text-decoration: underline; }

/* ---------- Header / Nav ---------- */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: saturate(180%) blur(8px);
  background: rgba(255,255,255,0.95);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.25rem; color: var(--color-text);
}
.brand:hover { text-decoration: none; color: var(--color-primary); }
.brand-mark {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: 9px;
  display: grid; place-items: center;
  color: #fff; font-weight: 900;
  box-shadow: var(--shadow-md);
}
.brand-text small { display: block; font-weight: 500; font-size: 11px; color: var(--color-text-muted); letter-spacing: .08em; text-transform: uppercase; }

.nav-menu {
  display: flex; align-items: center; gap: 28px;
  list-style: none; margin: 0; padding: 0;
}
.nav-menu a {
  color: var(--color-text-soft);
  font-weight: 500;
  font-size: 15px;
}
.nav-menu a:hover { color: var(--color-primary); text-decoration: none; }
.nav-cta {
  background: var(--color-accent);
  color: #fff !important;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.nav-cta:hover { background: var(--color-accent-dark); text-decoration: none; }

.mobile-toggle {
  display: none;
  background: transparent; border: 0;
  width: 40px; height: 40px;
  cursor: pointer;
}
.mobile-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--color-text); margin: 5px auto;
  transition: transform .2s ease;
}

@media (max-width: 880px) {
  .nav-menu {
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    padding: 8px 0 16px;
    box-shadow: var(--shadow-md);
    display: none;
  }
  .nav-menu.open { display: flex; }
  .nav-menu li { padding: 10px 20px; border-bottom: 1px solid var(--color-bg-muted); }
  .nav-menu .nav-cta { margin: 12px 20px 0; text-align: center; }
  .mobile-toggle { display: block; }
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(180deg, var(--color-bg-soft) 0%, #fff 100%);
  padding: 56px 0 40px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 880px) { .hero-grid { grid-template-columns: 1fr; gap: 28px; } }

.hero-eyebrow {
  display: inline-block;
  background: rgba(15, 118, 110, 0.1);
  color: var(--color-primary);
  font-weight: 600;
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
  letter-spacing: .02em;
}
.hero h1 { margin-bottom: 18px; }
.hero p.lead {
  font-size: 1.13rem;
  color: var(--color-text-soft);
  margin-bottom: 26px;
  max-width: 56ch;
}
.hero-meta {
  display: flex; gap: 22px; flex-wrap: wrap;
  font-size: 14px; color: var(--color-text-muted);
  margin-top: 20px;
}
.hero-meta strong { color: var(--color-text); font-weight: 700; }

.hero-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.hero-image img { width: 100%; height: auto; display: block; }
/* Full-bleed hero image on mobile: break out of container padding */
@media (max-width: 720px) {
  .hero-image {
    margin-left: -20px;
    margin-right: -20px;
    border-radius: 0;
    box-shadow: none;
  }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  text-align: center;
  border: 0;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); text-decoration: none; }
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { background: var(--color-accent-dark); color: #fff; }
.btn-secondary { background: var(--color-primary); color: #fff; }
.btn-secondary:hover { background: var(--color-primary-dark); color: #fff; }
.btn-outline {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); color: #fff; }
.btn-group { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Sections ---------- */
section { padding: 56px 0; }
.section-bg-soft { background: var(--color-bg-soft); }

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 40px;
}
.section-head h2 { margin-top: 0; }
.section-head p { color: var(--color-text-muted); font-size: 1.05rem; }

/* ---------- Trust / Featured-in strip ---------- */
.trust-strip {
  background: var(--color-bg-soft);
  border-block: 1px solid var(--color-border);
  padding: 22px 0;
}
.trust-strip .container {
  display: flex; flex-wrap: wrap; justify-content: center; align-items: center;
  gap: 32px; color: var(--color-text-muted); font-size: 13px;
  text-transform: uppercase; letter-spacing: .15em; font-weight: 600;
}
.trust-strip span { display: inline-flex; align-items: center; gap: 8px; }
.trust-strip span::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-primary);
}

/* ---------- Review card grid ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 880px) { .card-grid { grid-template-columns: 1fr; } }

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}
.card-thumb {
  aspect-ratio: 800 / 466;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: grid; place-items: center;
  color: #fff;
  font-weight: 800; font-size: 1.4rem;
  text-align: center; padding: 16px;
}
.card-body { padding: 20px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.card-tag {
  display: inline-block;
  background: var(--color-bg-muted);
  color: var(--color-text-soft);
  font-size: 12px; font-weight: 600;
  padding: 4px 10px; border-radius: 999px;
  margin-bottom: 10px;
  letter-spacing: .04em; text-transform: uppercase;
}
.card h3 { margin: 4px 0 8px; font-size: 1.15rem; }
.card h3 a { color: var(--color-text); }
.card h3 a:hover { color: var(--color-primary); text-decoration: none; }
.card-excerpt { color: var(--color-text-muted); font-size: 14.5px; flex: 1; margin-bottom: 14px; }
.card-meta {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; color: var(--color-text-muted);
}
.card-rating { color: var(--color-accent-dark); font-weight: 700; }

/* ---------- Verdict / Quick Box ---------- */
.verdict-box {
  background: var(--color-bg-soft);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 22px 26px;
  margin: 28px 0;
}
.verdict-box h3 { margin-top: 0; color: var(--color-primary-dark); }

/* ---------- FAQ (AEO-optimized) ---------- */
.faq { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
}
.faq-item summary {
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-text);
  list-style: none;
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 1.6rem; font-weight: 400; color: var(--color-primary);
  transition: transform .2s ease;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item summary:hover { background: var(--color-bg-soft); }
.faq-answer { padding: 0 22px 20px; color: var(--color-text-soft); }

/* ---------- Article / Long-form page ---------- */
.article-wrap {
  max-width: 780px;
  margin: 0 auto;
  padding: 48px 20px;
}
.article-wrap h1 { margin-bottom: 12px; }
.article-meta {
  color: var(--color-text-muted);
  font-size: 14px;
  margin-bottom: 32px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-border);
}
.article-meta a { color: var(--color-text-muted); text-decoration: underline; }
.article-wrap h2 { padding-top: 8px; }
.article-wrap ul li, .article-wrap ol li { margin-bottom: .55em; }

.callout {
  background: rgba(15, 118, 110, 0.06);
  border-left: 4px solid var(--color-primary);
  padding: 18px 22px;
  border-radius: var(--radius-sm);
  margin: 22px 0;
  color: var(--color-text-soft);
}
.callout strong { color: var(--color-primary-dark); }
.callout--warn {
  background: rgba(245, 158, 11, 0.08);
  border-left-color: var(--color-accent);
}
.callout--warn strong { color: var(--color-accent-dark); }

/* ---------- Author / Reviewer card ---------- */
.author-card {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--color-bg-soft);
  padding: 18px;
  border-radius: var(--radius-md);
  margin: 28px 0;
}
.author-avatar {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: grid; place-items: center;
  color: #fff; font-weight: 700; font-size: 1.4rem;
  flex-shrink: 0;
}
.author-card strong { display: block; color: var(--color-text); }
.author-card small { color: var(--color-text-muted); font-size: 13px; }

/* ---------- Newsletter / CTA block ---------- */
.cta-block {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  padding: 48px 32px;
  border-radius: var(--radius-lg);
  text-align: center;
  margin: 48px 0;
}
.cta-block h2 { color: #fff; margin-top: 0; }
.cta-block p { color: rgba(255,255,255,0.92); max-width: 56ch; margin: 0 auto 22px; }
.cta-block .btn-primary { background: #fff; color: var(--color-primary-dark); }
.cta-block .btn-primary:hover { background: var(--color-accent); color: #fff; }

/* ---------- Contact form ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; } }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block; font-weight: 600; font-size: 14px;
  color: var(--color-text); margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  background: #fff;
  color: var(--color-text);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.15);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.contact-info {
  background: var(--color-bg-soft);
  padding: 28px;
  border-radius: var(--radius-md);
}
.contact-info h3 { margin-top: 0; }
.contact-info p { color: var(--color-text-soft); }

/* ---------- Breadcrumbs ---------- */
.breadcrumbs {
  font-size: 13px;
  color: var(--color-text-muted);
  padding: 16px 0 0;
}
.breadcrumbs ol { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.breadcrumbs li::after { content: "/"; margin-left: 8px; color: var(--color-border); }
.breadcrumbs li:last-child::after { content: ""; }
.breadcrumbs a { color: var(--color-text-muted); }

/* ---------- Footer ---------- */
.site-footer {
  background: #0B1220;
  color: #CBD5E1;
  padding: 56px 0 24px;
  margin-top: 64px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
@media (max-width: 880px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; font-size: 1.2rem; margin-bottom: 12px; }
.footer-brand .brand-mark { background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent)); }
.footer-about p { color: #94A3B8; font-size: 14.5px; }

.footer-col h4 { color: #fff; font-size: 14px; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 14px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: #94A3B8; font-size: 14.5px; }
.footer-col a:hover { color: #fff; text-decoration: underline; }

.footer-bottom {
  border-top: 1px solid #1E293B;
  padding-top: 20px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 13px; color: #64748B;
}

/* ---------- Affiliate disclosure banner ---------- */
.aff-disclosure {
  background: #FFF7ED;
  border: 1px solid #FED7AA;
  color: #7C2D12;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  margin: 18px 0;
  line-height: 1.55;
}
.aff-disclosure strong { color: #7C2D12; }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); border: 0;
}