/* PeptideNerds.co — Core Stylesheet */
:root {
  --green: #00c896;
  --green-dark: #00a87e;
  --green-light: #e6faf5;
  --black: #0d0d0d;
  --dark: #1a1a1a;
  --mid: #444;
  --muted: #888;
  --border: #e8e8e8;
  --bg: #fff;
  --bg-soft: #f8f9fa;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius: 10px;
  --max: 860px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--dark); background: var(--bg); line-height: 1.7; -webkit-font-smoothing: antialiased; }

/* NAV */
nav { background: var(--black); padding: 0 24px; position: sticky; top: 0; z-index: 100; }
.nav-inner { max-width: var(--max); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; height: 58px; }
.nav-logo { color: #fff; font-size: 18px; font-weight: 800; text-decoration: none; letter-spacing: -0.3px; }
.nav-logo span { color: var(--green); }
.nav-links { display: flex; gap: 24px; list-style: none; }
.nav-links a { color: rgba(255,255,255,0.75); text-decoration: none; font-size: 14px; font-weight: 500; transition: color .15s; }
.nav-links a:hover { color: #fff; }
@media(max-width:600px) { .nav-links { display: none; } }

/* HERO */
.hero { background: var(--black); color: #fff; padding: 72px 24px 80px; text-align: center; }
.hero-inner { max-width: var(--max); margin: 0 auto; }
.hero-kicker { display: inline-block; background: var(--green); color: #fff; font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; padding: 4px 14px; border-radius: 100px; margin-bottom: 20px; }
.hero h1 { font-size: clamp(28px, 5vw, 48px); font-weight: 800; line-height: 1.15; letter-spacing: -1px; margin-bottom: 18px; }
.hero h1 span { color: var(--green); }
.hero p { font-size: 18px; color: rgba(255,255,255,0.7); max-width: 600px; margin: 0 auto 32px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.hero-tag { background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.7); font-size: 12px; font-weight: 600; padding: 5px 14px; border-radius: 100px; border: 1px solid rgba(255,255,255,0.12); }

/* CONTAINER */
.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.section { padding: 64px 0; }
.section-alt { background: var(--bg-soft); }

/* ARTICLE */
.article-header { padding: 56px 24px 32px; background: var(--black); color: #fff; }
.article-header .container { max-width: var(--max); margin: 0 auto; }
.article-kicker { font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--green); margin-bottom: 12px; }
.article-header h1 { font-size: clamp(26px, 4vw, 40px); font-weight: 800; line-height: 1.2; letter-spacing: -0.5px; margin-bottom: 14px; }
.article-header .meta { font-size: 13px; color: rgba(255,255,255,0.5); }
.article-body { max-width: var(--max); margin: 0 auto; padding: 48px 24px 80px; }
.article-body h2 { font-size: 22px; font-weight: 700; margin: 40px 0 14px; color: var(--black); letter-spacing: -0.3px; }
.article-body h3 { font-size: 17px; font-weight: 700; margin: 28px 0 10px; color: var(--dark); }
.article-body p { font-size: 16px; color: var(--mid); margin-bottom: 18px; line-height: 1.75; }
.article-body ul, .article-body ol { padding-left: 22px; margin-bottom: 18px; }
.article-body li { font-size: 16px; color: var(--mid); margin-bottom: 8px; line-height: 1.7; }
.article-body a { color: var(--green-dark); font-weight: 600; text-decoration: none; border-bottom: 1px solid var(--green-light); }
.article-body a:hover { color: var(--green); }
.article-body strong { color: var(--dark); font-weight: 700; }

/* CALLOUT BOX */
.callout { background: var(--green-light); border-left: 4px solid var(--green); border-radius: 0 var(--radius) var(--radius) 0; padding: 20px 24px; margin: 28px 0; }
.callout p { color: var(--dark); margin: 0; font-size: 15px; }
.callout strong { color: var(--black); }

/* VENDOR CARD */
.vendor-card { border: 2px solid var(--border); border-radius: 14px; padding: 28px; margin: 24px 0; transition: border-color .2s; }
.vendor-card:hover { border-color: var(--green); }
.vendor-card.top-pick { border-color: var(--green); position: relative; }
.vendor-badge { position: absolute; top: -12px; left: 24px; background: var(--green); color: #fff; font-size: 10px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; padding: 3px 12px; border-radius: 100px; }
.vendor-name { font-size: 20px; font-weight: 800; color: var(--black); margin-bottom: 6px; }
.vendor-meta { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.vendor-pros { list-style: none; padding: 0; margin-bottom: 18px; }
.vendor-pros li { font-size: 14px; color: var(--mid); padding: 4px 0; padding-left: 22px; position: relative; }
.vendor-pros li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 700; }
.vendor-cta { display: inline-block; background: var(--green); color: #fff; font-size: 14px; font-weight: 700; padding: 12px 28px; border-radius: var(--radius); text-decoration: none; transition: background .15s; }
.vendor-cta:hover { background: var(--green-dark); }

/* RATING */
.rating { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.stars { color: #f5a623; font-size: 16px; letter-spacing: 1px; }
.rating-num { font-size: 14px; font-weight: 700; color: var(--dark); }

/* TOC */
.toc { background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 28px; margin: 32px 0; }
.toc-title { font-size: 13px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
.toc ol { padding-left: 20px; }
.toc li { margin-bottom: 8px; }
.toc a { color: var(--green-dark); font-size: 14px; font-weight: 600; text-decoration: none; border: none; }
.toc a:hover { color: var(--green); }

/* CARD GRID */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; margin-top: 32px; }
.card { border: 1px solid var(--border); border-radius: 12px; padding: 24px; text-decoration: none; color: inherit; transition: all .2s; display: block; }
.card:hover { border-color: var(--green); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,200,150,0.08); }
.card-category { font-size: 10px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--green); margin-bottom: 8px; }
.card h3 { font-size: 16px; font-weight: 700; color: var(--black); margin-bottom: 8px; line-height: 1.3; }
.card p { font-size: 13px; color: var(--muted); line-height: 1.6; }

/* DISCLAIMER */
.disclaimer { background: #fff8e6; border: 1px solid #ffe0a0; border-radius: var(--radius); padding: 18px 22px; margin: 32px 0; font-size: 13px; color: #7a5c00; line-height: 1.6; }
.disclaimer strong { color: #5a3c00; }

/* FOOTER */
footer { background: var(--black); color: rgba(255,255,255,0.45); padding: 40px 24px; text-align: center; font-size: 13px; }
footer a { color: rgba(255,255,255,0.45); text-decoration: none; }
footer a:hover { color: #fff; }
.footer-links { display: flex; gap: 20px; justify-content: center; margin-bottom: 16px; flex-wrap: wrap; }

/* HOMEPAGE ENHANCEMENTS */
.hero { padding: 36px 24px 34px; }
.hero-kicker { margin-bottom: 12px; }
.hero h1 { margin-bottom: 12px; }
.hero p { font-size: 17px; max-width: 680px; margin: 0 auto 18px; }
.hero .vendor-cta { padding: 11px 20px; }
.hero-actions { display:flex; gap:14px; justify-content:center; align-items:center; flex-wrap:wrap; margin: 0 auto 12px; }
.hero-link { color: rgba(255,255,255,0.78); font-size: 14px; font-weight: 600; text-decoration: none; }
.hero-link:hover { color: #fff; }
.section-lead { color: var(--mid); font-size: 17px; line-height: 1.8; margin-bottom: 28px; max-width: 760px; }
.feature-grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap:18px; margin-top: 24px; }
.feature-card { background:#fff; border:1px solid var(--border); border-radius:12px; padding:22px; }
.feature-title { font-size:16px; font-weight:800; color:var(--black); margin-bottom:8px; letter-spacing:-0.2px; }
.feature-card p { color: var(--mid); font-size: 14px; line-height: 1.7; }
#what, #where, #start { scroll-margin-top: 72px; }
@media(max-width:600px) {
  nav { padding: 0 18px; }
  .nav-inner { height: 54px; }
  .hero { padding: 24px 18px 18px; }
  .hero-kicker { font-size: 10px; padding: 4px 12px; margin-bottom: 10px; }
  .hero h1 { font-size: 44px; line-height: 1.05; margin-bottom: 10px; }
  .hero p { font-size: 15.5px; line-height: 1.55; margin: 0 auto 14px; max-width: 340px; }
  .hero-actions { gap: 10px; margin-bottom: 8px; }
  .hero .vendor-cta { padding: 10px 16px; font-size: 13px; }
  .hero-link { font-size: 13px; }
  .hero-tags { display: none; }
  .section { padding: 44px 0; }
  .container { padding: 0 18px; }
  .section-lead { font-size: 16px; line-height: 1.7; margin-bottom: 22px; }
  .feature-grid { gap: 14px; margin-top: 18px; }
  .feature-card { padding: 18px; }
  .vendor-card { padding: 22px; }
}