/* CliniGene – marketing site */

:root {
  --color-bg: #f6f3ec;
  --color-bg-subtle: #efebe1;
  --color-surface: #fffcf6;
  --color-border: #ddd6c6;
  --color-border-strong: #c9c0ab;

  --color-text: #12202b;
  --color-text-secondary: #3d4d58;
  --color-text-muted: #66747d;
  --color-text-inverse: #f6f3ec;

  --color-primary: #0f6e6a;
  --color-primary-hover: #0b5855;
  --color-primary-soft: #dceeed;
  --color-navy: #12202b;

  --font-sans: "Source Sans 3", ui-sans-serif, system-ui, sans-serif;
  --font-serif: "Newsreader", "Times New Roman", serif;

  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --radius: 0.75rem;
  --header-h: 4.25rem;
  --container: 70rem;
  --transition: 160ms ease;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-hover); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: var(--space-2);
  z-index: 9999;
  padding: var(--space-2) var(--space-4);
  background: var(--color-navy);
  color: var(--color-text-inverse);
  border-radius: 0.4rem;
}
.skip-link:focus { left: var(--space-4); }

h1, h2, h3 {
  margin: 0 0 var(--space-4);
  font-family: var(--font-serif);
  font-weight: 550;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--color-navy);
}

h1 { font-size: clamp(2.25rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.5rem); }
h3 { font-size: 1.25rem; font-family: var(--font-sans); font-weight: 650; letter-spacing: -0.01em; }

p { margin: 0 0 var(--space-4); color: var(--color-text-secondary); }
.lead { font-size: 1.2rem; line-height: 1.65; max-width: 40rem; }
.eyebrow {
  display: inline-block;
  margin-bottom: var(--space-3);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.2rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 650;
  line-height: 1;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn-sm { padding: 0.55rem 1rem; font-size: 0.875rem; }
.btn-lg { padding: 0.9rem 1.4rem; }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); color: #fff; }
.btn-secondary { background: transparent; color: var(--color-navy); border-color: var(--color-border-strong); }
.btn-secondary:hover { background: var(--color-bg-subtle); color: var(--color-navy); }
.btn-group { display: flex; flex-wrap: wrap; gap: var(--space-3); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(246, 243, 236, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: var(--space-6);
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--color-navy);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.03em;
}
.logo:hover { color: var(--color-navy); }
.logo-mark { color: var(--color-primary); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.nav-toggle span { display: block; height: 2px; background: var(--color-navy); }

.site-nav { display: flex; align-items: center; gap: var(--space-8); }
.nav-list { display: flex; align-items: center; gap: 0.15rem; list-style: none; margin: 0; padding: 0; }
.nav-link {
  display: inline-flex;
  padding: 0.4rem 0.7rem;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 999px;
}
.nav-link:hover, .nav-link.is-active { color: var(--color-navy); background: var(--color-bg-subtle); }

.hero { padding: var(--space-20) 0 var(--space-16); }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(16rem, 0.8fr);
  gap: var(--space-12);
  align-items: center;
}
.hero-panel {
  background: var(--color-navy);
  color: var(--color-text-inverse);
  border-radius: 1.25rem;
  padding: var(--space-8);
}
.panel-kicker {
  margin: 0 0 var(--space-5);
  color: #9fd8d4;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.panel-steps { margin: 0; padding: 0; list-style: none; }
.panel-steps li + li { margin-top: var(--space-5); padding-top: var(--space-5); border-top: 1px solid rgba(246, 243, 236, 0.12); }
.panel-steps strong { display: block; color: #fff; margin-bottom: 0.2rem; }
.panel-steps span { color: #c5d0d6; font-size: 0.95rem; }

.trust-strip { background: var(--color-navy); color: #fff; padding: var(--space-8) 0; }
.trust-items {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin: 0;
  padding: 0;
  list-style: none;
}
.trust-items strong { display: block; margin-bottom: 0.25rem; }
.trust-items span { color: #b7c4cc; font-size: 0.92rem; }

.section { padding: var(--space-20) 0; }
.section-muted { background: var(--color-bg-subtle); }
.section-header { margin-bottom: var(--space-12); max-width: 40rem; }
.section-header.center { margin-inline: auto; text-align: center; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.feature-card, .step-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-6);
}
.feature-card p, .step-card p { margin-bottom: 0; }
.step-num {
  display: block;
  margin-bottom: var(--space-3);
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}
.serve-list { margin: 0; padding: 0; list-style: none; }
.serve-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  font-weight: 600;
}

.cta-band { padding-top: 0; }
.cta-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-8);
  background: var(--color-navy);
  color: #fff;
  border-radius: 1.25rem;
  padding: var(--space-12);
}
.cta-inner h2 { color: #fff; margin-bottom: var(--space-3); }
.cta-inner p { color: #c5d0d6; margin: 0; max-width: 32rem; }

.page-hero { padding: var(--space-16) 0 var(--space-8); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: var(--space-12); }
.plain-list { margin: 0 0 var(--space-6); padding-left: 1.1rem; color: var(--color-text-secondary); }
.plain-list li + li { margin-top: 0.4rem; }

.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  padding: var(--space-8);
}
.form-group { margin-bottom: var(--space-5); }
.form-group label { display: block; margin-bottom: 0.4rem; font-weight: 650; font-size: 0.95rem; }
.optional { font-weight: 500; color: var(--color-text-muted); }
.form-group input, .form-group textarea {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--color-border-strong);
  border-radius: 0.5rem;
  background: #fff;
  font: inherit;
  color: var(--color-text);
}
.form-group textarea { min-height: 8rem; resize: vertical; }
.form-hint { margin: var(--space-4) 0 0; font-size: 0.85rem; color: var(--color-text-muted); }
.form-alert { padding: 0.85rem 1rem; border-radius: 0.5rem; margin-bottom: var(--space-5); }
.form-alert-success { background: var(--color-primary-soft); color: var(--color-primary-hover); }
.form-alert-error { background: #fde8e8; color: #8a1f1f; }
.hp { position: absolute; left: -9999px; height: 0; width: 0; opacity: 0; }

.prose { max-width: 44rem; }
.prose h2 { margin-top: var(--space-8); }

.error-page { padding: var(--space-24) 0; text-align: center; }
.error-page .btn-group { justify-content: center; }

.site-footer {
  background: var(--color-navy);
  color: #c5d0d6;
  padding: var(--space-16) 0 var(--space-8);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}
.logo-footer { color: #fff; margin-bottom: var(--space-4); }
.logo-footer:hover { color: #fff; }
.footer-tagline { color: #9fd8d4; font-weight: 650; margin-bottom: 0.35rem; }
.footer-desc { margin: 0; color: #c5d0d6; }
.footer-col h3 {
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.footer-col ul { margin: 0; padding: 0; list-style: none; }
.footer-col a, .footer-col li { color: #c5d0d6; }
.footer-col li + li { margin-top: 0.45rem; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(246, 243, 236, 0.1);
  font-size: 0.85rem;
}
.footer-bottom p { margin: 0; color: #8fa0aa; }
.footer-note { max-width: 28rem; text-align: right; }

@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .site-nav {
    display: none;
    position: absolute;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-4);
    padding: var(--space-6);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
  }
  .site-nav.is-open { display: flex; }
  .nav-list { flex-direction: column; align-items: stretch; }
  .hero-grid, .grid-3, .split, .contact-grid, .footer-grid, .trust-items { grid-template-columns: 1fr; }
  .cta-inner, .footer-bottom { flex-direction: column; align-items: flex-start; }
  .footer-note { text-align: left; }
}