/* Premium Lab Peptides — premiumlabpeptides.co.uk */

:root {
  --gold:        #B8912F;
  --gold-dark:   #8f6f22;
  --gold-pale:   #f7f1e3;
  --ink:         #1c1c1e;
  --ink-soft:    #4a4a4f;
  --ink-muted:   #7a7a80;
  --line:        #e6e3dc;
  --paper:       #ffffff;
  --paper-warm:  #fbfaf7;
  --whatsapp:    #1f8f4e;
  --serif:       'Iowan Old Style', 'Palatino Linotype', Palatino, Georgia, serif;
  --sans:        -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --mono:        'SF Mono', Menlo, Consolas, monospace;
  --max:         1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.65 var(--sans); }

a { color: var(--gold-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.2; color: var(--ink); margin: 0 0 .5em; }
h1 { font-size: clamp(30px, 4.2vw, 44px); letter-spacing: -.01em; }
h2 { font-size: clamp(24px, 3vw, 32px); }
h3 { font-size: 20px; }
p  { margin: 0 0 1em; }
.lede { font-size: 19px; color: var(--ink-soft); max-width: 62ch; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.section { padding: 56px 0; }
.section-tight { padding: 36px 0; }
.section-warm { background: var(--paper-warm); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.eyebrow { display: block; font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--gold); font-weight: 600; margin-bottom: 10px; }

/* ---------- compliance bar ---------- */
.notice { background: var(--ink); color: #e9e6df; font-size: 13px; text-align: center; padding: 8px 16px; }
.notice strong { color: #f3d98a; }

/* ---------- header ---------- */
.site-header { border-bottom: 1px solid var(--line); background: var(--paper); position: sticky; top: 0; z-index: 20; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); font-family: var(--serif); font-size: 18px; font-weight: 600; letter-spacing: .01em; }
.brand:hover { text-decoration: none; }
.brand svg { width: 34px; height: 38px; flex: none; }
.nav { display: flex; gap: 22px; align-items: center; }
.nav a { color: var(--ink-soft); font-size: 15px; }
.nav a.active { color: var(--ink); font-weight: 600; }
.nav .btn { padding: 8px 14px; }
.menu-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 6px; padding: 6px 10px; font: inherit; cursor: pointer; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border-radius: 6px; font-weight: 600; font-size: 15px; border: 1px solid transparent; white-space: nowrap; }
.btn:hover { text-decoration: none; filter: brightness(.96); }
.btn-gold { background: var(--gold); color: #fff; }
.btn-outline { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-wa { background: var(--whatsapp); color: #fff; }
.btn svg { width: 18px; height: 18px; }

/* ---------- hero ---------- */
.hero { padding: 72px 0 56px; border-bottom: 1px solid var(--line); }
.hero .wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.hero-card { background: var(--paper-warm); border: 1px solid var(--line); border-radius: 10px; padding: 26px; }
.hero-card ul { list-style: none; margin: 0; padding: 0; }
.hero-card li { padding: 10px 0; border-top: 1px solid var(--line); display: flex; gap: 12px; align-items: flex-start; }
.hero-card li:first-child { border-top: 0; padding-top: 0; }
.hero-card li b { color: var(--gold-dark); flex: none; font-family: var(--mono); font-size: 13px; padding-top: 3px; }

/* ---------- grids / cards ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 22px; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--ink-soft); margin-bottom: 0; }
.card .sku { font-family: var(--mono); font-size: 12px; color: var(--ink-muted); }
.card .price { font-family: var(--serif); font-size: 22px; color: var(--ink); margin: 6px 0 10px; }
.card-link { display: block; color: inherit; }
.card-link:hover { text-decoration: none; border-color: var(--gold); }

.features .card { border-top: 3px solid var(--gold); }
.features .num { font-family: var(--mono); font-size: 12px; color: var(--gold); letter-spacing: .1em; }

/* ---------- spec table ---------- */
.spec { width: 100%; border-collapse: collapse; font-size: 15px; margin: 8px 0 24px; }
.spec th, .spec td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.spec th { width: 190px; color: var(--ink-muted); font-weight: 500; }
.spec td { font-family: var(--mono); font-size: 14px; }
.table-wrap { overflow-x: auto; }

.prose { max-width: 70ch; }
.prose ul { padding-left: 22px; }
.prose li { margin-bottom: 6px; }
.prose h2 { margin-top: 36px; }
.prose h3 { margin-top: 26px; }

/* ---------- CTA panel ---------- */
.cta { background: var(--ink); color: #f1eee8; border-radius: 12px; padding: 40px; display: grid; grid-template-columns: 1.2fr .8fr; gap: 32px; align-items: center; }
.cta h2 { color: #fff; }
.cta p { color: #cfcac0; margin-bottom: 0; }
.cta-actions { display: flex; flex-direction: column; gap: 12px; }
.cta-actions .btn { justify-content: center; }
.cta-actions .btn-outline { color: #fff; border-color: #fff; }
.cta small { display: block; margin-top: 14px; color: #a9a49a; font-size: 12.5px; }

/* ---------- faq ---------- */
.faq details { border-top: 1px solid var(--line); padding: 16px 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 600; font-family: var(--serif); font-size: 18px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--gold); font-size: 22px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq .answer { padding-top: 12px; color: var(--ink-soft); max-width: 70ch; }

/* ---------- breadcrumb ---------- */
.crumbs { font-size: 13px; color: var(--ink-muted); margin: 18px 0 0; }
.crumbs a { color: var(--ink-muted); }
.crumbs span { margin: 0 6px; }

/* ---------- locations ---------- */
.loc-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; list-style: none; padding: 0; margin: 0; }
.loc-list a { display: block; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink); background: var(--paper); }
.loc-list a:hover { border-color: var(--gold); text-decoration: none; }
.loc-facts { background: var(--gold-pale); border-left: 3px solid var(--gold); padding: 16px 20px; border-radius: 0 8px 8px 0; margin: 20px 0; }
.loc-facts dl { margin: 0; display: grid; grid-template-columns: 170px 1fr; gap: 6px 14px; }
.loc-facts dt { color: var(--ink-muted); font-size: 14px; }
.loc-facts dd { margin: 0; }

/* ---------- footer ---------- */
.site-footer { background: var(--paper-warm); border-top: 1px solid var(--line); padding: 44px 0 28px; font-size: 14px; color: var(--ink-soft); }
.site-footer .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 28px; }
.site-footer h4 { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-muted); margin: 0 0 12px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 7px; }
.site-footer a { color: var(--ink-soft); }
.legal { border-top: 1px solid var(--line); margin-top: 28px; padding-top: 18px; font-size: 12.5px; color: var(--ink-muted); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero .wrap, .cta { grid-template-columns: 1fr; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .site-footer .cols { grid-template-columns: 1fr 1fr; }
  .loc-list { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4, .site-footer .cols { grid-template-columns: 1fr; }
  .nav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: var(--paper); border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; padding: 12px 20px 18px; gap: 14px; }
  .nav.open { display: flex; }
  .menu-toggle { display: inline-block; }
  .hero { padding: 44px 0 36px; }
  .cta { padding: 28px; }
  .spec th { width: 130px; }
  .loc-facts dl { grid-template-columns: 1fr; }
}