/* ============================================================
   RnR TechMed Laboratories — design tokens
   ============================================================ */
:root {
  --navy: #16345C;
  --navy-deep: #0D2340;
  --teal: #1F8A72;
  --teal-bright: #24A585;
  --mint-bg: #F5FAF7;
  --mint-card: #E9F5EF;
  --mint-card-2: #DFF1E7;
  --line: #CFE6DA;
  --ink: #10241E;
  --muted: #52685F;
  --white: #FFFFFF;

  --font-display: 'Space Grotesk', 'IBM Plex Sans', sans-serif;
  --font-body: 'IBM Plex Sans', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  --radius: 14px;
  --container: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html.no-motion { scroll-behavior: auto; }

body {
  margin: 0;
  background: var(--mint-bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 250, 247, 0.86);
  backdrop-filter: blur(10px) saturate(1.1);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  height: 52px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  position: relative;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy);
  padding: 10px 18px;
  border-radius: 999px;
  transition: color 0.2s ease, background 0.2s ease;
}

.main-nav a:hover { color: var(--teal); background: var(--mint-card); }

.main-nav a.active {
  color: var(--white);
  background: var(--teal);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--navy);
  position: relative;
  transition: transform 0.2s ease;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

/* ============================================================
   Eyebrow / section labels
   ============================================================ */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: '';
  width: 22px;
  height: 1px;
  background: var(--teal);
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 64px;
  border-bottom: 1px solid var(--line);
}

.hero-trace {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.55;
}

.hero .wrap { position: relative; z-index: 1; }

.hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.4rem, 5vw, 4.1rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 28px;
  max-width: 16ch;
  color: var(--navy-deep);
}

.hero h1 .accent { color: var(--teal); }

.hero p.lede {
  font-size: 1.18rem;
  line-height: 1.65;
  color: var(--muted);
  max-width: 62ch;
  margin: 0 0 36px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--navy-deep);
  color: var(--white);
}
.btn-primary:hover { background: var(--teal); transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  border-color: var(--navy-deep);
  color: var(--navy-deep);
}
.btn-outline:hover { border-color: var(--teal); color: var(--teal); transform: translateY(-1px); }

/* ============================================================
   Generic section rhythm
   ============================================================ */
section.block { padding: 88px 0; }
section.block.alt { background: var(--mint-card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

h2.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  color: var(--navy-deep);
  margin: 0 0 22px;
  letter-spacing: -0.01em;
}

.section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.body-copy p { color: var(--muted); font-size: 1.04rem; margin: 0 0 18px; }
.body-copy p:last-child { margin-bottom: 0; }

/* ============================================================
   Card grid
   ============================================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
}

.card .card-mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--teal);
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0 0 10px;
  color: var(--navy-deep);
}

.card p { color: var(--muted); margin: 0; font-size: 0.98rem; }

/* ============================================================
   Simulation / device panel (dark "instrument screen")
   ============================================================ */
.device-panel {
  background: var(--navy-deep);
  border-radius: 20px;
  padding: 4px;
  box-shadow: 0 24px 60px -20px rgba(13, 35, 64, 0.45);
}

.device-panel-inner {
  background: #0a1628;
  border-radius: 16px;
  padding: 48px 24px;
  overflow: hidden;
}

.device-chrome {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px 28px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #6f8ea0;
}

.device-dots { display: flex; gap: 6px; }
.device-dots span {
  width: 8px; height: 8px; border-radius: 50%;
  background: #23405a;
}
.device-dots span:nth-child(1) { background: #ff6b6b44; }
.device-dots span:nth-child(2) { background: #ffd56644; }
.device-dots span:nth-child(3) { background: #24A58544; }

/* ============================================================
   Pipeline simulation (inside .device-panel)
   ============================================================ */
.sim-pipeline { display: flex; flex-direction: column; align-items: center; font-family: var(--font-body); }

.sim-input {
  background: var(--teal-bright);
  color: #06231b;
  padding: 14px 30px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 14px;
  box-shadow: 0 0 16px rgba(36,165,133,0.3);
  opacity: 0;
}

.sim-platform-label {
  color: var(--teal-bright);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 4px 0 14px;
  opacity: 0;
}

.sim-modules {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin: 6px 0 16px;
  max-width: 640px;
}

.sim-module {
  background: #182c46;
  color: #eaf3ee;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 0.78rem;
  border-left: 3px solid var(--teal-bright);
  opacity: 0;
  transform: translateY(20px);
  width: 168px;
  text-align: center;
}

.sim-output {
  background: linear-gradient(135deg, var(--teal), var(--navy));
  color: #fff;
  padding: 14px 30px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  margin-top: 8px;
  opacity: 0;
  text-align: center;
  box-shadow: 0 0 24px rgba(31,138,114,0.35);
}

.sim-arrow, .sim-arrow-1, .sim-output-arrow {
  color: var(--teal-bright);
  font-size: 1.3em;
  margin: 3px 0;
  opacity: 0;
}

.sim-subtitle { color: #6f8ea0; font-size: 0.72rem; margin-top: 6px; opacity: 0; font-family: var(--font-mono); }

.sim-funnel { display: flex; align-items: center; gap: 10px; margin-top: 22px; flex-wrap: wrap; justify-content: center; }

.sim-stage {
  background: #182c46;
  color: #fff;
  padding: 10px 16px;
  border-radius: 10px;
  text-align: center;
  opacity: 0;
  transform: scale(0.8);
}
.sim-stage .sim-stage-title { font-weight: 600; font-size: 0.8rem; }
.sim-stage .sim-stage-sub { color: #6f8ea0; font-size: 0.68rem; margin-top: 3px; font-family: var(--font-mono); }

.sim-funnel-arrow { color: var(--teal-bright); font-size: 1.1em; opacity: 0; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 56px 0 40px;
  background: var(--mint-card);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 32px;
  margin-bottom: 36px;
}

.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { height: 42px; }
.footer-brand .tagline {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--teal);
  text-transform: uppercase;
}

.footer-nav { display: flex; gap: 28px; flex-wrap: wrap; }
.footer-nav a {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy);
}
.footer-nav a:hover { color: var(--teal); }

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* ============================================================
   Page hero (inner pages — Science / Technology / About / Careers)
   ============================================================ */
.page-hero {
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--line);
}
.page-hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.1rem, 4vw, 3.1rem);
  color: var(--navy-deep);
  margin: 0 0 20px;
  letter-spacing: -0.01em;
}
.page-hero p.lede {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 62ch;
  margin: 0;
}

/* ============================================================
   Reveal-on-scroll utility
   ============================================================ */
.reveal { opacity: 0; transform: translateY(18px); }

/* ============================================================
   Divider waveform
   ============================================================ */
.trace-divider { display: block; width: 100%; height: 44px; opacity: 0.5; }
.trace-svg { width: 100%; height: 100%; display: block; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 880px) {
  .section-grid { grid-template-columns: 1fr; gap: 40px; }
  .card-grid { grid-template-columns: 1fr; }
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .footer-grid { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}