/* =============================================================
   CDMO Sourcing — design system
   FIND-style editorial layout, re-skinned for small molecule +
   peptide chemistry. Cool biotech neutrals + restrained teal.
   ============================================================= */

/* ---------- Design tokens ---------- */
:root {
  /* Brand */
  --ink: #0B1520;
  --paper: #F7FAFB;
  --teal: #0E7C86;
  --teal-deep: #0A5B63;
  --cyan: #5FB8C4;
  --mist: #E9F2F3;
  --orange: #E8722C;
  --orange-soft: #F2A06B;

  /* Neutrals biased slightly toward the teal (chosen, not pure grey) */
  --slate-900: #10202B;
  --slate-700: #223341;
  --slate-500: #3C4A57;
  --slate-400: #5B6B78;
  --slate-300: #8A98A3;
  --slate-200: #C4CFD5;
  --line: #DCE6E9;

  /* Semantic surface tokens (light theme defaults) */
  --bg: var(--paper);
  --bg-elev: #FFFFFF;
  --bg-tint: var(--mist);
  --text: var(--slate-900);
  --text-soft: var(--slate-500);
  --text-faint: var(--slate-400);
  --border: var(--line);
  --accent: var(--teal);
  --accent-2: var(--cyan);
  --on-accent: #FFFFFF;

  /* Type */
  --font-display: "Bricolage Grotesque", "Hanken Grotesk", system-ui, sans-serif;
  --font-body: "Hanken Grotesk", system-ui, -apple-system, sans-serif;

  /* Fluid type scale — tuned down for a calmer, more editorial feel */
  --step--1: clamp(0.78rem, 0.76rem + 0.1vw, 0.85rem);
  --step-0:  clamp(0.94rem, 0.91rem + 0.14vw, 1.02rem);
  --step-1:  clamp(1.08rem, 1.03rem + 0.26vw, 1.24rem);
  --step-2:  clamp(1.3rem, 1.18rem + 0.6vw, 1.62rem);
  --step-3:  clamp(1.55rem, 1.35rem + 1vw, 2.1rem);
  --step-4:  clamp(1.9rem, 1.6rem + 1.6vw, 2.85rem);
  --step-5:  clamp(2.3rem, 1.85rem + 2.6vw, 3.9rem);

  /* Layout */
  --wrap: 1200px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 1px 2px rgba(11,21,32,.04), 0 8px 30px rgba(11,21,32,.06);
  --shadow-lg: 0 30px 70px rgba(11,21,32,.14);

  --ease: cubic-bezier(.22,.61,.36,1);
}

/* Dark theme via OS preference */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0A1219;
    --bg-elev: #101d27;
    --bg-tint: #0f2129;
    --text: #EAF1F3;
    --text-soft: #A9B8C0;
    --text-faint: #7A8b94;
    --border: #1e3038;
    --accent: #45B7C2;
    --accent-2: #6FD0DA;
    --on-accent: #06222A;
    --orange: #F0894E;
  }
}

/* Explicit theme toggle wins in both directions */
:root[data-theme="light"] {
  --bg: var(--paper); --bg-elev: #FFFFFF; --bg-tint: var(--mist);
  --text: var(--slate-900); --text-soft: var(--slate-500); --text-faint: var(--slate-400);
  --border: var(--line); --accent: var(--teal); --accent-2: var(--cyan); --on-accent: #FFFFFF;
}
:root[data-theme="dark"] {
  --bg: #0A1219; --bg-elev: #101d27; --bg-tint: #0f2129;
  --text: #EAF1F3; --text-soft: #A9B8C0; --text-faint: #7A8b94;
  --border: #1e3038; --accent: #45B7C2; --accent-2: #6FD0DA; --on-accent: #06222A;
  --orange: #F0894E;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}
body {
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: 2.5px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.015em;
  text-wrap: balance;
  color: var(--text);
}

/* ---------- Layout helpers ---------- */
.wrap { width: min(100% - calc(var(--gutter) * 2), var(--wrap)); margin-inline: auto; }
.section { padding-block: clamp(4rem, 9vw, 8rem); }
.eyebrow {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: .55rem;
}
.eyebrow::before {
  content: ""; width: 26px; height: 2px; background: var(--accent); display: inline-block;
}
.lead { font-size: var(--step-1); color: var(--text-soft); line-height: 1.5; max-width: 46ch; }
.measure { max-width: 62ch; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .85em 1.5em;
  border-radius: 100px;
  font-weight: 700;
  font-size: var(--step-0);
  border: 1.5px solid transparent;
  transition: transform .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease), color .3s var(--ease);
  white-space: nowrap;
}
.btn .arw { transition: transform .3s var(--ease); }
.btn:hover .arw { transform: translateX(4px); }
.btn-primary { background: var(--accent); color: var(--on-accent); box-shadow: 0 8px 22px rgba(14,124,134,.28); }
.btn-primary:hover { transform: translateY(-2px); background: var(--teal-deep); }
.btn-ghost { border-color: var(--border); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn-lg { padding: 1em 1.8em; font-size: var(--step-1); }
.on-dark .btn-ghost { border-color: rgba(255,255,255,.28); color: #fff; }
.on-dark .btn-ghost:hover { border-color: #fff; color: #fff; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.site-header.scrolled { border-bottom-color: var(--border); }
.nav {
  display: flex; align-items: center; gap: 1.5rem;
  height: 74px;
}
.brand { display: flex; align-items: center; gap: .6rem; font-family: var(--font-display); font-weight: 800; font-size: 1.15rem; letter-spacing: -0.02em; color: var(--text); }
.brand .mark {
  width: 34px; height: 34px; flex: none;
  display: grid; place-items: center; color: var(--orange);
  font-weight: 800; font-size: .95rem;
}
.brand .mark .atom { width: 100%; height: 100%; overflow: visible; }
.atom .orbit-line { fill: none; stroke: currentColor; stroke-width: 1.4; opacity: .55; }
.atom .nucleus { fill: currentColor; }
/* Orbit rings stay STILL; electrons travel ALONG the fixed rings via motion paths */
.atom .e { fill: currentColor; offset-rotate: 0deg; offset-distance: 0%; }
.atom .e1 { offset-path: path("M3,20 a17,6.5 0 1,0 34,0 a17,6.5 0 1,0 -34,0"); animation: e-orbit 3s linear infinite; }
.atom .e2 { offset-path: path("M11.5,5.28 a17,6.5 60 1,0 17,29.44 a17,6.5 60 1,0 -17,-29.44"); animation: e-orbit 3.8s linear infinite reverse; }
.atom .e3 { offset-path: path("M28.5,5.28 a17,6.5 120 1,0 -17,29.44 a17,6.5 120 1,0 17,-29.44"); animation: e-orbit 4.6s linear infinite; }
/* two more electrons on rings 1 and 3, phase-shifted so they sit opposite the others */
.atom .e4 { offset-path: path("M3,20 a17,6.5 0 1,0 34,0 a17,6.5 0 1,0 -34,0"); animation: e-orbit 3s linear infinite; animation-delay: -1.5s; }
.atom .e5 { offset-path: path("M28.5,5.28 a17,6.5 120 1,0 -17,29.44 a17,6.5 120 1,0 17,-29.44"); animation: e-orbit 4.6s linear infinite; animation-delay: -2.3s; }
@keyframes e-orbit { to { offset-distance: 100%; } }
@media (prefers-reduced-motion: reduce) { .atom .e { animation: none; } }
.brand small { font-weight: 500; color: var(--text-faint); font-family: var(--font-body); letter-spacing: 0; }
.nav-links { display: flex; align-items: center; gap: 1.6rem; margin-left: auto; }
.nav-links a { font-size: .95rem; font-weight: 600; color: var(--text-soft); transition: color .2s; position: relative; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0; background: var(--accent);
  transition: width .3s var(--ease);
}
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { width: 100%; }
.nav-cta { margin-left: .4rem; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 0; padding: .5rem; color: var(--text); }
.nav-toggle svg { width: 26px; height: 26px; }

@media (max-width: 940px) {
  .nav-links {
    position: fixed; inset: 74px 0 auto 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--bg-elev); border-bottom: 1px solid var(--border);
    padding: 1rem var(--gutter) 1.5rem;
    transform: translateY(-140%); transition: transform .4s var(--ease);
    box-shadow: var(--shadow-lg); margin-left: 0;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: .85rem 0; width: 100%; border-bottom: 1px solid var(--border); font-size: 1.05rem; }
  .nav-links a::after { display: none; }
  .nav-links .nav-cta { margin: 1rem 0 0; width: 100%; justify-content: center; }
  .nav-toggle { display: inline-flex; }
}

/* ---------- Hero ---------- */
.hero { position: relative; padding-block: clamp(3rem, 7vw, 6rem) clamp(3rem, 6vw, 5rem); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.35fr .9fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.hero h1 {
  font-size: var(--step-5);
  margin-block: .4em .1em;
}
.hero h1 .knock {
  background: linear-gradient(105deg, var(--teal) 0%, var(--cyan) 55%, var(--teal-deep) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { margin-top: 1.4rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2rem; }
.hero-support { margin-top: 1.6rem; font-size: var(--step--1); color: var(--text-faint); display: flex; align-items: center; gap: .5rem; }
.hero-support svg { width: 16px; height: 16px; color: var(--accent); flex: none; }

/* Ambient molecular canvas behind hero */
.hero-canvas { position: absolute; inset: 0; z-index: -1; opacity: .5; }
@media (prefers-color-scheme: dark) { .hero-canvas { opacity: .6; } }

/* Filter panel (the "search by capability" module) */
.filter-card {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 1.6rem; box-shadow: var(--shadow-lg);
}
.filter-card h2 { font-size: var(--step-1); letter-spacing: -0.01em; }
.filter-card .sub { color: var(--text-faint); font-size: var(--step--1); margin-top: .25rem; margin-bottom: 1.2rem; }
.filter-group { margin-bottom: 1.15rem; }
.filter-group > span { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .14em; font-weight: 700; color: var(--text-faint); margin-bottom: .55rem; }
.chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip {
  border: 1.5px solid var(--border); background: transparent; color: var(--text-soft);
  border-radius: 100px; padding: .45em .95em; font-size: .85rem; font-weight: 600;
  transition: all .2s var(--ease);
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.filter-card .btn { width: 100%; justify-content: center; margin-top: .4rem; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .filter-card { order: 2; }
}

/* ---------- Capability grid ---------- */
.sec-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; flex-wrap: wrap; margin-bottom: 2.6rem; }
.sec-head h2 { font-size: var(--step-3); }
.sec-head p { color: var(--text-soft); max-width: 40ch; }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
@media (max-width: 900px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .card-grid { grid-template-columns: 1fr; } }

.cap-card {
  position: relative; overflow: hidden;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.6rem 1.5rem 1.5rem; display: flex; flex-direction: column; gap: .6rem; min-height: 210px;
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.cap-card::after {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: linear-gradient(var(--teal), var(--cyan));
  transform: scaleY(0); transform-origin: top; transition: transform .4s var(--ease);
}
.cap-card:hover { transform: translateY(-5px); border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); box-shadow: var(--shadow-lg); }
.cap-card:hover::after { transform: scaleY(1); }
.cap-card .ic { width: 40px; height: 40px; color: var(--accent); }
.cap-card h3 { font-size: var(--step-1); letter-spacing: -0.01em; margin-top: .3rem; }
.cap-card p { color: var(--text-soft); font-size: .95rem; }
.cap-card .go { margin-top: auto; font-weight: 700; color: var(--accent); font-size: .9rem; display: inline-flex; gap: .4rem; align-items: center; }
.cap-card .go .arw { transition: transform .3s var(--ease); }
.cap-card:hover .go .arw { transform: translateX(4px); }

/* ---------- Steps (how it works) ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.1rem; counter-reset: step; }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }
.step { padding: 1.6rem 0 0; border-top: 2px solid var(--border); position: relative; }
.step .num {
  font-family: var(--font-display); font-weight: 800; font-size: var(--step-2);
  color: var(--accent); letter-spacing: -0.03em; line-height: 1;
  font-variant-numeric: tabular-nums;
}
.step h3 { font-size: var(--step-1); margin: .7rem 0 .4rem; }
.step p { color: var(--text-soft); font-size: .95rem; }

/* ---------- Dark editorial section (the "Sell / Rent" moment) ---------- */
.editorial {
  position: relative; overflow: hidden;
  background: var(--ink); color: #EAF1F3;
  padding-block: clamp(5rem, 11vw, 9rem);
}
.editorial.on-dark { --text: #EAF1F3; --text-soft: #A9B8C0; --border: rgba(255,255,255,.14); }
.editorial-canvas { position: absolute; inset: 0; z-index: 0; opacity: .55; }
.editorial .wrap { position: relative; z-index: 1; }
.editorial .eyebrow { color: var(--cyan); }
.editorial .eyebrow::before { background: var(--cyan); }
.editorial h2 { color: #fff; font-size: var(--step-4); max-width: 16ch; }
.editorial .huge {
  font-size: var(--step-5); line-height: .92;
  background: linear-gradient(100deg, #fff 20%, var(--cyan) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.value-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem 3rem; margin-top: 3rem; max-width: 900px; }
@media (max-width: 720px) { .value-grid { grid-template-columns: 1fr; gap: 1.6rem; } }
.value-item { padding-left: 1.2rem; border-left: 2px solid var(--cyan); }
.value-item h3 { color: #fff; font-size: var(--step-1); margin-bottom: .3rem; }
.value-item p { color: #AEC3C9; font-size: .96rem; }

/* Program stage row */
.stage-row { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); overflow: hidden; margin-top: 3.5rem; }
@media (max-width: 720px) { .stage-row { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 420px) { .stage-row { grid-template-columns: 1fr; } }
.stage { background: var(--ink); padding: 1.4rem 1.3rem; }
.stage .k { font-size: .72rem; text-transform: uppercase; letter-spacing: .14em; color: var(--cyan); font-weight: 700; }
.stage h4 { color: #fff; font-size: var(--step-1); margin: .5rem 0 .35rem; }
.stage p { color: #9FB4BB; font-size: .88rem; }

/* ---------- Supplier cards ---------- */
.supplier-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.1rem; }
@media (max-width: 900px) { .supplier-grid { grid-template-columns: 1fr; } }
.supplier {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.5rem; display: flex; flex-direction: column; gap: .9rem;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.supplier:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.supplier .fit { align-self: flex-start; font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--accent); background: var(--bg-tint); padding: .4em .8em; border-radius: 100px; }
.supplier h3 { font-size: var(--step-1); }
.supplier dl { display: grid; grid-template-columns: auto 1fr; gap: .4rem 1rem; font-size: .9rem; margin-top: .2rem; }
.supplier dt { color: var(--text-faint); font-weight: 600; }
.supplier dd { color: var(--text); }
.supplier .go { margin-top: auto; padding-top: .4rem; font-weight: 700; color: var(--accent); font-size: .9rem; display: inline-flex; gap: .4rem; align-items: center; }

/* ---------- Insights teaser ---------- */
.insight-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.1rem; }
@media (max-width: 820px) { .insight-grid { grid-template-columns: 1fr; } }
.insight {
  display: flex; flex-direction: column; gap: .7rem;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem;
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.insight:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); }
.insight .tag { font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; font-weight: 700; color: var(--accent); }
.insight h3 { font-size: var(--step-1); letter-spacing: -0.01em; }
.insight p { color: var(--text-soft); font-size: .92rem; }
.insight .go { margin-top: auto; font-weight: 700; color: var(--accent); font-size: .88rem; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--bg-tint); border-radius: var(--radius-lg); padding: clamp(2.4rem, 5vw, 4rem); text-align: center; position: relative; overflow: hidden; }
.cta-band h2 { font-size: var(--step-4); max-width: 20ch; margin-inline: auto; }
.cta-band p { color: var(--text-soft); max-width: 48ch; margin: 1rem auto 0; font-size: var(--step-1); }
.cta-band .hero-actions { justify-content: center; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #C6D4DA; padding-block: clamp(3rem,6vw,5rem) 2rem; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 2.5rem; }
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer .brand { color: #fff; }
.site-footer .brand small { color: #8DA1A9; }
.footer-about { color: #9FB4BB; font-size: .92rem; margin-top: 1rem; max-width: 34ch; }
.footer-col h4 { font-family: var(--font-body); font-size: .78rem; text-transform: uppercase; letter-spacing: .14em; color: #7E939B; font-weight: 700; margin-bottom: 1rem; }
.footer-col a { display: block; color: #C6D4DA; font-size: .93rem; padding: .3rem 0; transition: color .2s; }
.footer-col a:hover { color: var(--cyan); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 3rem; padding-top: 1.6rem; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: .85rem; color: #7E939B; }
.footer-bottom .credit { color: #9FB4BB; }
.footer-bottom .credit b { color: #fff; font-weight: 700; letter-spacing: .02em; }

/* ---------- Theme toggle ---------- */
.theme-toggle { background: none; border: 1.5px solid var(--border); border-radius: 100px; width: 38px; height: 38px; display: grid; place-items: center; color: var(--text-soft); transition: all .2s; flex: none; }
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .moon { display: none; }
:root[data-theme="dark"] .theme-toggle .moon { display: block; }
:root[data-theme="dark"] .theme-toggle .sun { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .moon { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .sun { display: none; }
}

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in-view { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* ---------- Startup intro animation (homepage) ---------- */
.intro {
  position: fixed; inset: 0; z-index: 2000;
  display: grid; place-items: center;
  background: var(--bg);
  animation: intro-failsafe 6s forwards; /* no-JS safety: never trap the page */
}
.intro.js { animation: none; }
.intro.done { opacity: 0; visibility: hidden; transition: opacity .6s ease, visibility 0s .6s; }
.intro-move { will-change: transform; transform-origin: center; }
.intro-move.dock { transition: transform .82s cubic-bezier(.55, 0, .2, 1); }
.intro-spin {
  display: block; color: var(--orange); transform-origin: center;
  width: clamp(120px, 22vw, 190px); height: clamp(120px, 22vw, 190px);
}
.intro-spin .atom { width: 100%; height: 100%; overflow: visible; }
/* Intro: rings stay STILL; electrons slide slow -> fast as the site loads in */
.intro-spin .atom .e { animation: none; }
.intro-spin.spinup .atom .e1 { animation: e-accel 1.6s cubic-bezier(.4, 0, .85, .45) both, e-orbit 2.4s 1.6s linear infinite; }
.intro-spin.spinup .atom .e2 { animation: e-accel 1.7s cubic-bezier(.4, 0, .85, .45) both, e-orbit 3s 1.7s linear infinite reverse; }
.intro-spin.spinup .atom .e3 { animation: e-accel 1.5s cubic-bezier(.4, 0, .85, .45) both, e-orbit 2.7s 1.5s linear infinite; }
.intro-spin.spinup .atom .e4 { animation: e-accel 1.6s cubic-bezier(.4, 0, .85, .45) -0.8s both, e-orbit 2.4s 0.8s linear infinite; }
.intro-spin.spinup .atom .e5 { animation: e-accel 1.5s cubic-bezier(.4, 0, .85, .45) -0.75s both, e-orbit 2.7s 0.75s linear infinite; }
@keyframes e-accel { from { offset-distance: 0%; } to { offset-distance: 100%; } }
@keyframes intro-failsafe { 0%, 80% { opacity: 1; } 100% { opacity: 0; visibility: hidden; } }
@media (prefers-reduced-motion: reduce) { .intro { display: none; } }

/* ---------- Page hero (interior pages) ---------- */
.page-hero { padding-block: clamp(3rem, 6vw, 5.5rem) clamp(2rem,4vw,3rem); }
.page-hero h1 { font-size: var(--step-4); max-width: 18ch; }
.page-hero p { margin-top: 1.2rem; }
.breadcrumb { font-size: .85rem; color: var(--text-faint); margin-bottom: 1.2rem; }
.breadcrumb a:hover { color: var(--accent); }

/* ---------- Prose (content pages) ---------- */
.prose { max-width: 68ch; }
.prose h2 { font-size: var(--step-2); margin-top: 2.6rem; margin-bottom: .8rem; }
.prose h3 { font-size: var(--step-1); margin-top: 1.8rem; margin-bottom: .5rem; }
.prose p { color: var(--text-soft); margin-bottom: 1rem; }
.prose ul { color: var(--text-soft); padding-left: 1.2rem; margin-bottom: 1.2rem; display: grid; gap: .5rem; }
.prose li::marker { color: var(--accent); }

/* Feature list with checks */
.feat-list { list-style: none; padding: 0; display: grid; gap: .9rem; }
.feat-list li { display: flex; gap: .8rem; align-items: flex-start; color: var(--text-soft); }
.feat-list svg { width: 22px; height: 22px; color: var(--accent); flex: none; margin-top: 2px; }
.feat-list b { color: var(--text); font-weight: 700; }

/* Split layout */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,4rem); align-items: center; }
@media (max-width: 820px) { .split { grid-template-columns: 1fr; } }

/* ---------- RFP form ---------- */
.rfp-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
@media (max-width: 920px) { .rfp-layout { grid-template-columns: 1fr; } }
.rfp-aside { position: sticky; top: 100px; }
@media (max-width: 920px) { .rfp-aside { position: static; } }
.rfp-aside .trust { list-style: none; padding: 0; display: grid; gap: 1rem; margin-top: 1.8rem; }
.rfp-aside .trust li { display: flex; gap: .8rem; align-items: flex-start; color: var(--text-soft); font-size: .95rem; }
.rfp-aside .trust svg { width: 22px; height: 22px; color: var(--accent); flex: none; margin-top: 1px; }
.rfp-aside .privacy { margin-top: 2rem; padding: 1.1rem 1.2rem; background: var(--bg-tint); border-radius: var(--radius); font-size: .86rem; color: var(--text-soft); }

.rfp-card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: clamp(1.5rem, 3vw, 2.4rem); box-shadow: var(--shadow); }

.rfp-progress { display: flex; align-items: center; gap: .6rem; margin-bottom: 1.6rem; font-size: .8rem; color: var(--text-faint); font-weight: 600; }
.rfp-progress .dot { width: 26px; height: 4px; border-radius: 100px; background: var(--border); transition: background .3s var(--ease); }
.rfp-progress .dot.active { background: var(--accent); }

.rfp-step h2 { font-size: var(--step-2); margin-bottom: .4rem; }
.rfp-step > p { color: var(--text-soft); font-size: .95rem; margin-bottom: 1.6rem; }

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
@media (max-width: 540px) { .field-row { grid-template-columns: 1fr; } }
.field { margin-bottom: 1.1rem; display: flex; flex-direction: column; gap: .4rem; }
.field label { font-size: .82rem; font-weight: 700; color: var(--text); letter-spacing: .01em; }
.field label .req { color: var(--accent); }
.field input, .field select, .field textarea {
  font: inherit; font-size: .95rem; color: var(--text);
  background: var(--bg); border: 1.5px solid var(--border); border-radius: 10px;
  padding: .7em .85em; width: 100%; transition: border-color .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 96px; }
.field input::placeholder, .field textarea::placeholder { color: var(--text-faint); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
.field [aria-invalid="true"] { border-color: #d4573a; }
.field .err { color: #c8452a; font-size: .78rem; font-weight: 600; min-height: 1em; }
@media (prefers-color-scheme: dark) { .field .err { color: #f0a68f; } }

.check-grid { display: flex; flex-wrap: wrap; gap: .5rem; }
.check-grid label {
  display: inline-flex; align-items: center; gap: .45rem; cursor: pointer;
  border: 1.5px solid var(--border); border-radius: 100px; padding: .5em .9em; font-size: .85rem; font-weight: 600; color: var(--text-soft);
  transition: all .2s var(--ease);
}
.check-grid label:has(input:checked) { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.check-grid input { accent-color: var(--accent); width: 15px; height: 15px; }

.rfp-actions { display: flex; gap: .8rem; align-items: center; margin-top: 1.4rem; flex-wrap: wrap; }
.rfp-actions .btn { flex: 1; justify-content: center; min-width: 140px; }
#rfp-status { color: #c8452a; font-size: .88rem; font-weight: 600; margin-top: 1rem; }

.rfp-done { text-align: center; padding: 1.5rem 0; display: grid; gap: 1rem; justify-items: center; }
.rfp-check { width: 64px; height: 64px; border-radius: 50%; background: var(--bg-tint); display: grid; place-items: center; color: var(--accent); }
.rfp-check svg { width: 32px; height: 32px; }
.rfp-done h2 { font-size: var(--step-2); }
.rfp-done p { color: var(--text-soft); max-width: 44ch; }

.hp-field { position: absolute; left: -9999px; top: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* FAQ */
.faq { display: grid; gap: 0; max-width: 760px; }
.faq details { border-bottom: 1px solid var(--border); padding: 1.2rem 0; }
.faq summary { font-family: var(--font-display); font-weight: 700; font-size: var(--step-1); cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 1rem; letter-spacing: -0.01em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-weight: 700; transition: transform .3s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { color: var(--text-soft); margin-top: .8rem; font-size: .96rem; }

/* ---------- Utility ---------- */
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }