/* ===========================
   Peptide Price Lab — Marketing Site
   =========================== */

:root {
  --indigo: #6366f1;
  --indigo-dark: #4f46e5;
  --cyan: #06b6d4;
  --text: #1a1a2e;
  --text-muted: #64748b;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --border: #e2e8f0;
  --radius: 10px;
}

@font-face {
  font-family: 'Switzer';
  src: url('../assets/fonts/switzer/Switzer-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Switzer';
  src: url('../assets/fonts/switzer/Switzer-Semibold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Switzer';
  src: url('../assets/fonts/switzer/Switzer-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Switzer';
  src: url('../assets/fonts/switzer/Switzer-Extrabold.woff2') format('woff2');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Switzer';
  src: url('../assets/fonts/switzer/Switzer-Black.woff2') format('woff2');
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Switzer', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

/* NAV */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  z-index: 100;
}
.nav-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.nav-logo img {
  display: block;
  width: auto;
  height: 38px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-links a {
  font-size: 14px;
  color: var(--text-muted);
  text-decoration: none;
}
.nav-links a:hover { color: var(--text); }
.btn-nav {
  background: var(--indigo);
  color: #fff !important;
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 13px !important;
}
.btn-nav:hover { background: var(--indigo-dark) !important; }

/* HERO */
.hero {
  padding: 80px 0 64px;
  text-align: center;
  background: linear-gradient(160deg, #f0f1ff 0%, #ffffff 60%);
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--text);
}
.hero-sub {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.65;
}
.hero-note {
  margin-top: 12px;
  font-size: 12px;
  color: var(--text-muted);
}

/* BUTTONS */
.btn-primary {
  display: inline-block;
  background: var(--indigo);
  color: #fff;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
}
.btn-primary:hover { background: var(--indigo-dark); transform: translateY(-1px); }
.btn-secondary {
  display: inline-block;
  border: 2px solid var(--indigo);
  color: var(--indigo);
  padding: 12px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
}
.btn-secondary:hover { background: #f0f1ff; }
.cta-center { text-align: center; margin-top: 32px; }

/* SECTIONS */
.section { padding: 72px 0; }
.section-alt { background: var(--bg-alt); }
.section h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.section p {
  color: var(--text-muted);
  font-size: 16px;
  margin-bottom: 16px;
  max-width: 680px;
}

/* HOW IT WORKS */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 32px;
}
.step-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.step-num {
  width: 32px;
  height: 32px;
  background: var(--indigo);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
  margin-bottom: 14px;
}
.step-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.step-card p { font-size: 14px; color: var(--text-muted); margin: 0; }

/* PEPTIDE GRID */
.peptide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
  margin-top: 28px;
}
.peptide-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  font-weight: 600;
  font-size: 14px;
  color: var(--indigo);
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s;
}
.peptide-card:hover { border-color: var(--indigo); background: #f0f1ff; }

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
}
.faq-item:last-child { border-bottom: none; }
.faq-item h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.faq-item p { font-size: 15px; color: var(--text-muted); margin: 0; max-width: 100%; }
.faq-item a { color: var(--indigo); }

/* FOOTER */
.site-footer {
  background: var(--text);
  color: #94a3b8;
  padding: 40px 0;
  text-align: center;
  font-size: 13px;
}
.site-footer strong { color: #fff; }
.footer-links { margin-top: 10px; }
.footer-links a { color: #94a3b8; text-decoration: none; }
.footer-links a:hover { color: #fff; }

/* RESPONSIVE */
@media (max-width: 600px) {
  .site-nav { padding: 14px 16px; }
  .nav-links a:not(.btn-nav) { display: none; }
  .hero { padding: 56px 0 48px; }
  .section { padding: 48px 0; }
}