/* Precision Analytical Sciences — site styles */
:root {
  --red: #DC4B53;          /* logo red */
  --red-ink: #B7333D;      /* darker red for text on white (AA contrast) */
  --red-tint: #FCEEEF;
  --gray: #9EA0A1;         /* logo gray */
  --ink: #1E2327;
  --ink-2: #4A5258;
  --line: #E4E6E8;
  --paper: #FFFFFF;
  --paper-2: #F6F7F8;
  --slate: #1B2024;
  --radius: 14px;
  --max: 1160px;
  --font: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--font); font-size: 17px; line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--red-ink); text-decoration-thickness: 1px; text-underline-offset: 3px; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 .5em; color: var(--ink); }
h1 { font-size: clamp(2.3rem, 5vw, 3.7rem); font-weight: 700; text-wrap: balance; }
h2 { text-wrap: balance; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); font-weight: 700; }
h3 { font-size: 1.12rem; font-weight: 650; letter-spacing: -0.01em; }
p { margin: 0 0 1em; color: var(--ink-2); }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.eyebrow {
  display: inline-block; font-size: .78rem; font-weight: 600;
  letter-spacing: .22em; text-transform: uppercase; color: var(--red-ink); margin-bottom: 14px;
}
.lede { font-size: 1.2rem; color: var(--ink-2); max-width: 40em; }
section { padding: 96px 0; }
.section-head { max-width: 720px; margin-bottom: 48px; }
.alt { background: var(--paper-2); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 14px 22px;
  border-radius: 999px; font-weight: 600; font-size: .98rem; text-decoration: none;
  border: 1.5px solid transparent; cursor: pointer; font-family: inherit; transition: .15s ease;
}
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-ink); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--ink); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92);
  backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.brand img { height: 44px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--ink); text-decoration: none; font-size: .95rem; font-weight: 500; }
.nav-links a:hover { color: var(--red-ink); }
.nav-links .btn { padding: 10px 18px; color: #fff; }
.menu-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.menu-toggle span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; transition: .2s; }

/* Hero */
.hero { padding: 88px 0 72px; position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.status-pill {
  display: inline-flex; align-items: center; gap: 10px; padding: 7px 14px 7px 10px;
  border-radius: 999px; background: var(--red-tint); color: var(--red-ink);
  font-size: .85rem; font-weight: 600; margin-bottom: 24px;
}
.status-pill i { width: 8px; height: 8px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 4px rgba(220,75,83,.18); }
.hero .ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.chrom-card {
  margin: 0; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 22px 22px 16px;
  box-shadow: 0 30px 60px -30px rgba(30,35,39,.25);
}
.chrom-top { display: flex; justify-content: space-between; align-items: baseline; font-size: .8rem; color: var(--ink-2); margin-bottom: 10px; }
.chrom-top b { color: var(--ink); font-weight: 600; letter-spacing: .02em; }
.chrom-card svg { width: 100%; height: auto; }
.chrom-line { fill: none; stroke: var(--red); stroke-width: 2.2; stroke-linejoin: round;
  stroke-dasharray: 1400; stroke-dashoffset: 1400; animation: draw 2.6s ease-out .3s forwards; }
.chrom-fill { fill: url(#chromFill); opacity: 0; animation: fade 1s ease 2.2s forwards; }
.chrom-grid line { stroke: var(--line); stroke-width: 1; }
.chrom-axis text { font-size: 12px; fill: var(--gray); font-family: var(--font); }
.chrom-label { opacity: 0; animation: fade .6s ease 2.5s forwards; }
.chrom-label text { font-size: 13px; font-family: var(--font); fill: var(--ink); font-weight: 600; }
.chrom-foot { display: flex; justify-content: space-between; font-size: .75rem; color: var(--gray); margin-top: 6px; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fade { to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  .chrom-line { animation: none; stroke-dashoffset: 0; }
  .chrom-fill, .chrom-label { animation: none; opacity: 1; }
}

/* Pillars strip */
.pillars { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 28px 0; }
.pillars ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.pillars li { font-size: .92rem; color: var(--ink-2); display: flex; gap: 12px; align-items: flex-start; }
.pillars li b { display: block; color: var(--ink); font-weight: 600; }
.pillars svg { flex: none; width: 22px; height: 22px; color: var(--red); margin-top: 2px; }

/* Service cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px;
  transition: border-color .15s, transform .15s;
}
.card:hover { border-color: #cfd3d6; transform: translateY(-2px); }
.card .tag { font-size: .72rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--gray); margin-bottom: 10px; display: block; }
.card p { font-size: .95rem; margin: 0; }
.card .methods { margin-top: 14px; font-size: .82rem; color: var(--red-ink); font-weight: 500; }
.card.feature { grid-column: span 3; display: grid; grid-template-columns: 1fr 1fr; gap: 32px; background: var(--slate); border-color: var(--slate); }
.card.feature h3, .card.feature p { color: #fff; }
.card.feature p { color: #C9CED2; }
.card.feature .tag { color: #FF8C93; }
.card.feature ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.card.feature li { color: #E7EAEC; font-size: .95rem; padding-left: 22px; position: relative; }
.card.feature li::before { content: ""; position: absolute; left: 0; top: .6em; width: 10px; height: 2px; background: var(--red); }

/* Audience */
.audience { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.aud { padding: 28px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); }
.aud .num { font-size: 2.2rem; font-weight: 700; color: var(--red); letter-spacing: -.03em; line-height: 1; margin-bottom: 14px; }

/* Quality */
.quality-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 64px; align-items: start; }
.commit { display: grid; gap: 0; border-top: 1px solid var(--line); }
.commit-row { display: grid; grid-template-columns: 150px 1fr; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.commit-row .k { font-size: .76rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--gray); padding-top: 3px; }
.commit-row h3 { margin-bottom: 4px; }
.commit-row p { margin: 0; font-size: .95rem; }
.badge { display: inline-block; font-size: .7rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  padding: 3px 8px; border-radius: 6px; margin-left: 8px; vertical-align: 2px; }
.badge.progress { background: #FFF4DB; color: #8A5A00; }
.badge.ready { background: #E4F4EA; color: #1E6B3A; }
.note { margin-top: 24px; padding: 18px 20px; border-left: 3px solid var(--red); background: var(--red-tint); border-radius: 0 10px 10px 0; font-size: .93rem; color: var(--ink); }

/* Process */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { position: relative; padding-top: 56px; }
.step::before {
  counter-increment: step; content: "0" counter(step);
  position: absolute; top: 0; left: 0; font-size: .85rem; font-weight: 700; letter-spacing: .1em;
  color: var(--red-ink); border: 1.5px solid var(--red); border-radius: 999px; padding: 6px 12px;
}
.step::after { content: ""; position: absolute; top: 17px; left: 64px; right: -10px; height: 1.5px; background: var(--line); }
.step:last-child::after { display: none; }
.step p { font-size: .95rem; }

/* About */
.about-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; align-items: center; }
.about-mark { background: var(--paper-2); border-radius: 24px; padding: 48px; }
.about-mark img { width: 100%; height: auto; }

/* FAQ */
.faq { max-width: 820px; }
.faq details { border-bottom: 1px solid var(--line); padding: 20px 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--red); font-size: 1.4rem; line-height: 1; transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 12px 0 0; }

/* Contact / forms */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; }
.contact-info dl { margin: 28px 0 0; display: grid; gap: 18px; }
.contact-info dt { font-size: .76rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--gray); }
.contact-info dd { margin: 2px 0 0; font-size: 1.05rem; }
form.panel { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 32px; }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 6px; }
.field.full { grid-column: 1 / -1; }
label { font-size: .85rem; font-weight: 600; color: var(--ink); }
input, select, textarea {
  font: inherit; font-size: .98rem; padding: 12px 14px; border: 1.5px solid var(--line);
  border-radius: 10px; background: #fff; color: var(--ink); width: 100%;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--red); box-shadow: 0 0 0 4px rgba(220,75,83,.14); }
textarea { min-height: 120px; resize: vertical; }
.checks { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; }
.checks label { font-weight: 400; display: flex; gap: 8px; align-items: center; font-size: .93rem; color: var(--ink-2); }
.checks input { width: auto; accent-color: var(--red); }
.form-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 20px; flex-wrap: wrap; }
.form-foot small { color: var(--ink-2); font-size: .8rem; }
.hidden { position: absolute; left: -9999px; }

/* Footer */
.site-footer { background: var(--slate); color: #C9CED2; padding: 64px 0 32px; font-size: .92rem; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.site-footer img { height: 44px; width: auto; margin-bottom: 18px; }
.site-footer h4 { color: #fff; font-size: .76rem; letter-spacing: .16em; text-transform: uppercase; margin: 0 0 14px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.site-footer a { color: #C9CED2; text-decoration: none; }
.site-footer a:hover { color: #fff; }
.site-footer p { color: #9AA3A9; }
.legal { border-top: 1px solid #2E353A; margin-top: 48px; padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: .8rem; color: #8A9399; }

/* Responsive */
@media (max-width: 980px) {
  .hero-grid, .quality-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .cards, .audience { grid-template-columns: 1fr 1fr; }
  .card.feature { grid-column: span 2; grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; row-gap: 36px; }
  .step::after { display: none; }
  .pillars ul { grid-template-columns: 1fr 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .about-mark { max-width: 360px; }
}
@media (max-width: 820px) {
  .menu-toggle { display: block; }
  .nav-links {
    position: absolute; top: 72px; left: 0; right: 0; background: #fff; flex-direction: column;
    align-items: stretch; gap: 0; padding: 8px 16px 16px; border-bottom: 1px solid var(--line); display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li a { display: block; padding: 12px 4px; }
  .nav-links .btn { justify-content: center; margin-top: 8px; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  section { padding: 64px 0; }
  .hero { padding: 48px 0 56px; }
  .brand img { height: 30px; }
  .cards, .audience, .steps, .pillars ul, .fields, .checks, .foot-grid { grid-template-columns: 1fr; }
  .card.feature { grid-column: span 1; }
  .commit-row { grid-template-columns: 1fr; gap: 6px; }
  form.panel { padding: 22px; }
}