/* ============================================================
   Start Peptide Shop — design tokens & base
   Premium biotech-SaaS: deep navy · electric blue · silver
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Hanken+Grotesk:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&family=Sora:wght@400;500;600;700&family=Schibsted+Grotesk:wght@400;500;600;700&family=Manrope:wght@400;500;600;700&display=swap');

:root {
  /* ---- ink / navy ---- */
  --ink:        #0A1430;
  --ink-soft:   #1B2747;
  --navy:       #060E22;
  --navy-2:     #0C1A3C;
  --navy-3:     #122550;

  /* ---- accent: electric blue ---- */
  --blue:        #1E6E8C;
  --blue-bright: #3AA8C9;
  --blue-deep:   #11516A;
  --blue-ink:    #FFFFFF;

  /* ---- neutrals on light ---- */
  --slate:       #51618A;
  --slate-2:     #76849F;
  --silver:      #AFBBD4;
  --line:        #E4EAF4;
  --line-2:      #D6DEEC;

  /* ---- neutrals on dark ---- */
  --on-navy-1:   #EEF2FB;
  --on-navy-2:   #9DABC9;
  --on-navy-3:   #6A789B;
  --line-dark:   rgba(255,255,255,0.10);
  --line-dark-2: rgba(255,255,255,0.16);

  /* ---- surfaces ---- */
  --bg:        #FFFFFF;
  --bg-soft:   #F5F8FD;
  --bg-tint:   color-mix(in srgb, #1E6E8C 9%, #ffffff);
  --paper:     #FFFFFF;

  /* ---- gradients (biotech) ---- */
  --grad-accent: linear-gradient(135deg, #3AA8C9 0%, #1E6E8C 55%, #11516A 100%);
  --grad-navy:   linear-gradient(150deg, #0C1A3C 0%, #060E22 100%);
  --grad-glow:   radial-gradient(60% 60% at 70% 20%, rgba(30,110,140,0.18), transparent 70%);

  /* ---- semantic ---- */
  --ok:   #19A974;
  --warn: #C9881B;

  /* ---- type ---- */
  --ff-display: 'Space Grotesk', system-ui, sans-serif;
  --ff-ui:      'Hanken Grotesk', system-ui, sans-serif;
  --ff-mono:    'IBM Plex Mono', ui-monospace, monospace;

  /* ---- radii ---- */
  --r-1: 8px;
  --r-2: 14px;
  --r-3: 22px;
  --r-pill: 999px;

  /* ---- shadow ---- */
  --shadow-sm: 0 1px 2px rgba(10,20,48,0.06), 0 1px 1px rgba(10,20,48,0.04);
  --shadow-md: 0 8px 24px rgba(10,20,48,0.08), 0 2px 6px rgba(10,20,48,0.05);
  --shadow-lg: 0 24px 60px rgba(10,20,48,0.14), 0 8px 20px rgba(10,20,48,0.08);
  --shadow-blue: 0 16px 40px rgba(30,110,140,0.47);

  /* ---- layout ---- */
  --mw: 1200px;
  --gut: 32px;

  /* ---- motion ---- */
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  margin: 0;
  font-family: var(--ff-ui);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  letter-spacing: -0.011em;
}

h1, h2, h3, h4 {
  font-family: var(--ff-display);
  font-weight: 600;
  letter-spacing: -0.03em;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0; text-wrap: pretty; }
a { color: inherit; }

::selection { background: rgba(30,110,140,0.20); }

/* ---- shared utility classes ---- */
.sps-wrap { max-width: var(--mw); margin: 0 auto; padding-left: var(--gut); padding-right: var(--gut); }

.eyebrow {
  font-family: var(--ff-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.mono { font-family: var(--ff-mono); font-variant-numeric: tabular-nums; }

/* buttons */
.btn {
  font-family: var(--ff-ui);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
  border: 0;
  border-radius: var(--r-pill);
  padding: 14px 24px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  transition: transform .15s var(--ease), background .18s var(--ease), box-shadow .2s var(--ease), filter .15s var(--ease);
  white-space: nowrap;
}
.btn:active { filter: brightness(0.96); }

.btn-primary {
  background: var(--grad-accent);
  color: var(--blue-ink);
  box-shadow: var(--shadow-blue);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 20px 48px rgba(30,110,140,0.36); }

.btn-ghost {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line-2);
  box-shadow: var(--shadow-sm);
}
.btn-ghost:hover { background: var(--bg-soft); transform: translateY(-1px); }

.btn-dark {
  background: rgba(255,255,255,0.06);
  color: var(--on-navy-1);
  border: 1px solid var(--line-dark-2);
}
.btn-dark:hover { background: rgba(255,255,255,0.12); }

/* section scaffolding */
.section { padding: 112px 0; position: relative; }
.section-dark { background: var(--navy); color: var(--on-navy-1); }
.section-soft { background: var(--bg-soft); }

.kicker-row { display: inline-flex; align-items: center; gap: 10px; }
.kicker-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 4px rgba(30,110,140,0.16); }

/* card */
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  box-shadow: var(--shadow-sm);
}

/* responsive */
.how-grid > div:nth-child(4) .how-arrow { display: none; }
@media (max-width: 1080px) {
  .feat-grid { grid-template-columns: repeat(3, 1fr) !important; }
  .prob-grid { grid-template-columns: repeat(4, 1fr) !important; }
}
@media (max-width: 980px) {
  .nav-signin { display: none !important; }
  .nc-grid, .sol-grid, .comp-grid { grid-template-columns: 1fr !important; gap: 36px !important; }
  .nc-grid > div:first-child { position: static !important; }
  .how-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .how-arrow { display: none !important; }
  .aud-grid { grid-template-columns: repeat(2, 1fr) !important; }
}
@media (max-width: 720px) {
  .feat-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .prob-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .nc-cards { grid-template-columns: 1fr !important; }
}
@media (max-width: 600px) {
  .nav-links { display: none !important; }
}
@media (max-width: 560px) {
  .how-grid, .aud-grid { grid-template-columns: 1fr !important; }
  .feat-grid { grid-template-columns: 1fr 1fr !important; }
}

@media (max-width: 860px) {
  :root { --gut: 20px; }
  .section { padding: 72px 0; }
}

/* ---- prevent horizontal overflow (on body only so sticky still works) ---- */
body { overflow-x: clip; }

/* ---- mobile nav: keep CTA but compact ---- */
@media (max-width: 640px) {
  .nav-cta span.nav-cta-label { display: none; }
  .nav-cta { padding: 10px 14px !important; font-size: 13px !important; gap: 0 !important; }
}

/* ---- builder mock mobile ---- */
@media (max-width: 700px) {
  .builder-grid { grid-template-columns: 1fr !important; }
  .builder-preview-panel { display: none !important; }
  .builder-steps { flex-wrap: wrap !important; }
}

/* ---- footer grid ---- */
@media (max-width: 860px) {
  .foot-grid { grid-template-columns: 1fr 1fr !important; }
}
@media (max-width: 560px) {
  .foot-grid { grid-template-columns: 1fr !important; }
  .foot-cta { display: none !important; }
}