/* ============================================================================
   pmp-system.css — Peptide Manager Pro unified design system (v10 LIGHT)
   Layer A: design tokens · Layer B: components · Chrome: SiteNav + SiteFooter
   Served at /pmp-system.css (public/) — link LAST in <head> so :root wins.
   ========================================================================== */

/* ---- Layer A: tokens ---------------------------------------------------- */
:root {
  --color-bg: #FBFAF7;
  --color-bg-tint: #F5F2EC;
  --color-text: #14181B;
  --color-text-soft: #4A5158;
  --color-text-muted: #4A5158;
  --color-rule: #E4E0D6;
  --color-accent: #007299;
  --color-accent-soft: #E6F5FA;
  --color-accent-bright: #00d4ff;
  --color-green: #00794f;
  --color-warm: #cc5429;
  --color-warm-soft: #FDE8DC;
  --color-warm-bright: #ff6b35;
  --color-smoke: #2A2F36;
  --color-smoke-soft: #3A3F47;
  --accent-text: #007299;
  --green-text: #00794f;
  --warm-text: #b3471f;
  --green-tint: #E3F6EE;
  --color-shimmer: #ECE8DF;
  --color-footer-text: #C5CAD0;
  --color-footer-muted: #9AA0A6;
  --ease-premium: cubic-bezier(0.16, 1, 0.3, 1);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --maxw: 1100px;
  --measure: 680px;
}

/* ---- Base type ---------------------------------------------------------- */
.pmp, .pmp body, body.pmp {
  font-family: 'Syne', system-ui, -apple-system, sans-serif;
}
.pmp {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: 'Syne', system-ui, -apple-system, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  letter-spacing: -0.01em;
}
.pmp h1, .pmp .h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.4rem, 5.5vw, 4.25rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.05;
}
.pmp h2, .pmp .h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.85rem, 3.5vw, 2.85rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.12;
}
.pmp h3, .pmp .h3 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.pmp .mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem; }
.measure { max-width: var(--measure); }
.pmp section { padding: 7rem 0; }
@media (max-width: 768px) { .pmp section { padding: 4rem 0; } }

/* ---- Layer B: buttons --------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 44px; padding: .95rem 1.85rem;
  border-radius: var(--radius-md);
  font-family: 'Syne', sans-serif; font-weight: 600; font-size: .95rem; line-height: 1;
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
  transition: all .35s var(--ease-premium);
}
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover {
  background: var(--color-accent-bright); color: #14181B;
  transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0, 212, 255, .25);
}
.btn-secondary { background: transparent; color: var(--color-text); border-color: var(--color-rule); }
.btn-secondary:hover { border-color: var(--color-accent); color: var(--accent-text); }
.btn-text {
  background: none; border: none; border-bottom: 1px solid var(--color-rule);
  border-radius: 0; min-height: auto; padding: .25rem 0;
  font-family: 'JetBrains Mono', monospace; font-size: .85rem;
  color: var(--accent-text); text-decoration: underline;
}
.btn-sm { min-height: 36px; padding: .55rem 1.1rem; font-size: .85rem; }
.btn-lg { min-height: 52px; padding: 1.15rem 2.4rem; font-size: 1.05rem; }
.btn:disabled, .btn[disabled] { opacity: .45; cursor: not-allowed; transform: none !important; }
.btn--loading { color: transparent !important; position: relative; pointer-events: none; }
.btn--loading::after {
  content: ""; position: absolute; width: 16px; height: 16px;
  border: 2px solid #fff; border-top-color: transparent; border-radius: 50%;
  animation: pmp-spin .6s linear infinite;
}
.btn-danger { background: var(--color-warm); color: #fff; }
.btn-danger:hover { background: var(--color-warm-bright); }
@keyframes pmp-spin { to { transform: rotate(360deg); } }

/* ---- Layer B: form fields ----------------------------------------------- */
.field { display: flex; flex-direction: column; gap: .4rem; margin-bottom: 1.25rem; }
.field-label {
  font-family: 'JetBrains Mono', monospace; font-size: .72rem;
  text-transform: uppercase; letter-spacing: .08em; color: var(--color-text-soft);
}
.input, .select, textarea.input {
  font-family: 'JetBrains Mono', monospace; font-size: .95rem;
  padding: .7rem .9rem; border: 1px solid var(--color-rule);
  border-radius: var(--radius-sm); background: #fff; color: var(--color-text);
}
.input:focus, .select:focus, textarea.input:focus {
  outline: none; border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}
.field-help { font-size: .8rem; color: var(--color-text-soft); }
.field--error .input { border-color: var(--color-warm); }
.field-error {
  font-size: .8rem; color: var(--warm-text);
  border-left: 2px solid var(--color-warm); padding-left: .6rem;
}

/* ---- Layer B: card ------------------------------------------------------ */
.card {
  background: #fff; border: 1px solid var(--color-rule); border-radius: var(--radius-lg);
  padding: 2.25rem; box-shadow: 0 12px 24px rgba(0, 153, 204, .08);
  transition: transform .35s var(--ease-premium), box-shadow .35s var(--ease-premium);
}
.card:hover { transform: translateY(-4px); box-shadow: 0 16px 48px rgba(0, 212, 255, .18); }

/* ---- Layer B: badge ----------------------------------------------------- */
.badge {
  display: inline-flex; align-items: center;
  font-family: 'JetBrains Mono', monospace; font-weight: 700; font-size: .68rem;
  text-transform: uppercase; letter-spacing: .1em;
  padding: .3rem .6rem; border-radius: var(--radius-sm);
}
.badge--research { background: var(--color-warm-soft); color: var(--warm-text); }
.badge--verified { background: var(--green-tint); color: var(--green-text); }
.badge--new, .badge--simplified, .badge--founding {
  background: var(--color-accent-soft); color: var(--accent-text);
}

/* ---- Layer B: section eyebrow ------------------------------------------- */
.section-eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: 'JetBrains Mono', monospace; font-size: .75rem;
  text-transform: uppercase; letter-spacing: .15em; color: var(--color-warm-bright);
}
.section-eyebrow::before { content: ""; width: 24px; height: 1px; background: var(--color-rule); }

/* ---- Layer B: trust grid ------------------------------------------------ */
.trust-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
@media (min-width: 768px) { .trust-grid { grid-template-columns: repeat(4, 1fr); } }
.trust-grid .num { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 2.5rem; color: var(--color-accent); line-height: 1; }
.trust-grid .label { font-family: 'JetBrains Mono', monospace; font-size: .8rem; color: var(--color-text-soft); }

/* ---- Layer B: table ----------------------------------------------------- */
.pmp-table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.pmp-table th {
  font-family: 'JetBrains Mono', monospace; text-transform: uppercase;
  font-size: .72rem; letter-spacing: .06em; color: var(--color-text-soft);
  text-align: left; padding: .75rem; border-bottom: 1px solid var(--color-rule);
}
.pmp-table td { padding: .75rem; border-bottom: 1px solid var(--color-rule); }
.pmp-table tr:nth-child(even) td { background: var(--color-bg-tint); }
.pmp-table td.num { font-family: 'JetBrains Mono', monospace; text-align: right; }

/* ---- Layer B: callout --------------------------------------------------- */
.callout {
  display: flex; gap: .75rem;
  font-family: 'JetBrains Mono', monospace; font-size: .75rem; color: var(--color-text-soft);
  border-left: 2px solid var(--color-warm); background: var(--color-bg-tint);
  padding: .9rem 1.1rem; max-width: var(--measure);
}
.callout--research { border-left-color: var(--color-warm); }
.callout--affiliate { border-left-color: var(--color-accent); }

/* ---- Layer B: skeleton + states ----------------------------------------- */
.skeleton {
  background: linear-gradient(90deg, var(--color-bg-tint) 25%, var(--color-shimmer) 37%, var(--color-bg-tint) 63%);
  background-size: 400% 100%; animation: pmp-shimmer 1.4s ease infinite; border-radius: var(--radius-sm);
}
@keyframes pmp-shimmer { 0% { background-position: 100% 0; } 100% { background-position: 0 0; } }
.skeleton-line { height: .9rem; margin: .5rem 0; }
.skeleton-card { height: 160px; }
.state-empty, .state-error { text-align: center; padding: 3rem 1.5rem; max-width: var(--measure); margin: 0 auto; }
.state-empty h2, .state-error h2 { font-family: 'Syne', sans-serif; margin-bottom: .5rem; }
.state-empty p, .state-error p { color: var(--color-text-soft); margin-bottom: 1.5rem; }

/* ---- Reveal ------------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 1s var(--ease-premium), transform 1s var(--ease-premium); }
.reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 80ms; } .reveal-d2 { transition-delay: 160ms; }
.reveal-d3 { transition-delay: 240ms; } .reveal-d4 { transition-delay: 320ms; }
.reveal-d5 { transition-delay: 400ms; } .reveal-d6 { transition-delay: 480ms; }

/* ---- Focus ring --------------------------------------------------------- */
*:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 153, 204, .55), 0 0 0 5px rgba(255, 255, 255, .9);
  border-radius: inherit;
}

/* ---- Skip link ---------------------------------------------------------- */
.skip-link {
  position: absolute; left: .75rem; top: -3.5rem; z-index: 1000;
  background: var(--color-accent); color: #fff; padding: .6rem 1rem;
  border-radius: var(--radius-sm); font-family: 'JetBrains Mono', monospace;
  font-size: .8rem; text-decoration: none; transition: top .2s var(--ease-premium);
}
.skip-link:focus { top: .75rem; outline: none; }

/* ---- Chrome: SiteNav ---------------------------------------------------- */
.site-nav {
  position: sticky; top: 0; z-index: 900; height: 64px; display: flex; align-items: center;
  background: rgba(251, 250, 247, .85);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-rule);
}
.site-nav .nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem;
}
.site-nav .brand {
  display: flex; align-items: center; gap: .55rem; white-space: nowrap;
  font-family: 'Syne', sans-serif; font-weight: 700; font-size: 1rem;
  color: var(--color-text); text-decoration: none;
}
.site-nav .brand span { white-space: nowrap; }
.site-nav .brand img { width: 26px; height: 26px; border-radius: 6px; }
.site-nav .nav-links { display: flex; align-items: center; gap: 1.4rem; }
.site-nav .nav-links a:not(.btn) {
  font-family: 'JetBrains Mono', monospace; font-size: .8125rem; letter-spacing: .04em;
  color: var(--color-text-soft); text-decoration: none; position: relative;
  transition: color .2s var(--ease-premium), transform .2s var(--ease-premium);
}
.site-nav .nav-links a:not(.btn):hover { color: var(--accent-text); transform: translateY(-1px); }
.site-nav .nav-links a[aria-current="page"] { color: var(--color-text); }
.site-nav .nav-links a[aria-current="page"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -21px; height: 2px;
  background: var(--color-accent-bright);
}
@media (max-width: 760px) {
  .site-nav .nav-links a:not(.btn) { display: none; }
}

/* ---- Chrome: SiteFooter ------------------------------------------------- */
.site-footer { background: var(--color-smoke); color: var(--color-footer-text); }
.site-footer .footer-inner { max-width: var(--maxw); margin: 0 auto; padding: 4rem 1.5rem 1.5rem; }
.site-footer .footer-cols { display: grid; grid-template-columns: 1fr; gap: 2.5rem; }
@media (min-width: 768px) { .site-footer .footer-cols { grid-template-columns: 1.5fr 1fr 1fr; } }
.site-footer h4 {
  font-family: 'JetBrains Mono', monospace; font-size: .72rem; text-transform: uppercase;
  letter-spacing: .1em; color: var(--color-footer-muted); margin-bottom: 1rem;
}
.site-footer a { color: var(--color-footer-text); text-decoration: none; font-size: .9rem; display: block; padding: .25rem 0; transition: color .2s; }
.site-footer a:hover { color: #fff; }
.site-footer .footer-brand .wordmark { font-family: 'Syne', sans-serif; font-weight: 800; color: #fff; font-size: 1.1rem; }
.site-footer .footer-brand p { color: var(--color-footer-muted); font-size: .85rem; margin-top: .5rem; max-width: 34ch; }
.site-footer .footer-callouts {
  display: flex; flex-direction: column; gap: 1rem; margin: 2.5rem 0; padding: 1.5rem 0;
  border-top: 1px solid var(--color-smoke-soft); border-bottom: 1px solid var(--color-smoke-soft);
}
.site-footer .footer-callouts .callout {
  background: var(--color-smoke-soft); color: var(--color-footer-text); max-width: none;
  border-left-color: var(--color-warm-bright);
}
.site-footer .footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; padding-top: 1.5rem;
  font-family: 'JetBrains Mono', monospace; font-size: .75rem; color: var(--color-footer-muted);
}
.site-footer .footer-bottom span { display: block; }

/* ---- Reduced motion ----------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .marquee { animation: none !important; justify-content: center; }
  .cursor-spotlight, .scroll-progress { display: none !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
}
