html { scroll-behavior: smooth; }
body { background: #0b1120; font-family: 'Inter', sans-serif; overflow-x: hidden; }
h1, h2, h3, .font-display { font-family: 'Sora', sans-serif; }

::selection { background: #4f6ef7; color: white; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #0b1120; }
::-webkit-scrollbar-thumb { background: #263049; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #4f6ef7; }

.hero-headline-accent { font-family: 'Fraunces', serif; }

.brand-font { font-family: 'Fraunces', serif; }

.gradient-text {
  background: linear-gradient(90deg, #4f6ef7, #22d3ee 50%, #34d399);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.noise {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
  pointer-events: none;
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  border: 1px solid rgba(255,255,255,0.08);
}

/* Services mega-menu dropdown surface — theme-aware (unlike .theme-fixed
   surfaces, this one is meant to flip with the site so it stays readable
   and on-brand in both dark and light mode). */
.dropdown-panel { background: rgba(11,17,32,0.95); }
html.light .dropdown-panel { background: rgba(255,255,255,0.97); }

.marquee-track { display: flex; width: max-content; }

.reveal-mask { position: relative; overflow: hidden; }
.reveal-mask .curtain { position: absolute; inset: 0; background: #0b1120; z-index: 10; }
html.light .reveal-mask:not(.theme-fixed) .curtain { background: #eaf1fc; }

.cursor-glow {
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79,110,247,0.10) 0%, rgba(79,110,247,0) 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
}

#bgCanvas { display: block; }

.nav-link { position: relative; }
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 0%;
  height: 1px;
  background: currentColor;
  transition: width 0.3s ease;
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link.active { color: #fff; }

.num { font-variant-numeric: tabular-nums; }

/* Timeline step connector (How We Work / Service Delivery Process) */
.step-item { position: relative; }
.step-num {
  width: 3rem;
  height: 3rem;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 1.125rem;
  background: linear-gradient(135deg, rgba(79,110,247,0.25), rgba(34,211,238,0.15));
  border: 1px solid rgba(255,255,255,0.12);
  color: #fff;
  flex-shrink: 0;
}

/* Innovative hero CTA buttons */
.btn-shine {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.btn-shine::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.35) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.9s ease;
}
.btn-shine:hover::before { transform: translateX(120%); }

.btn-primary-glow {
  animation: pulseGlow 2.6s ease-in-out infinite;
}
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(79,110,247,0.45); }
  50% { box-shadow: 0 0 0 14px rgba(79,110,247,0); }
}

/* How We Work: connected process flow — a vertical timeline on mobile that
   becomes a horizontal roadmap on desktop, replacing the earlier stacked
   identical cards with a clearer, more visual step-by-step path. */
.process-flow { position: relative; }
.process-flow::before {
  content: '';
  position: absolute;
  left: 1.5rem;
  top: 0.25rem;
  bottom: 0.25rem;
  width: 2px;
  background: linear-gradient(180deg, rgba(79,110,247,0.45), rgba(34,211,238,0.45), rgba(52,211,153,0.45));
}
@media (min-width: 768px) {
  .process-flow::before {
    left: 10%;
    right: 10%;
    top: 1.5rem;
    bottom: auto;
    width: auto;
    height: 2px;
  }
}

.process-step { position: relative; padding-left: 4.5rem; }
@media (min-width: 768px) {
  .process-step { padding-left: 0.5rem; padding-right: 0.5rem; text-align: center; }
}

.process-node {
  position: absolute;
  left: 0;
  top: 0;
  width: 3rem;
  height: 3rem;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 1.125rem;
  color: #fff;
  background: linear-gradient(135deg, #4f6ef7, #22d3ee);
  box-shadow: 0 0 0 6px rgba(79,110,247,0.12);
  z-index: 1;
}
@media (min-width: 768px) {
  .process-node { position: static; margin: 0 auto 1.25rem; }
}

.process-step:nth-child(2) .process-node { background: linear-gradient(135deg, #22d3ee, #34d399); box-shadow: 0 0 0 6px rgba(34,211,238,0.12); }
.process-step:nth-child(3) .process-node { background: linear-gradient(135deg, #34d399, #4f6ef7); box-shadow: 0 0 0 6px rgba(52,211,153,0.12); }
.process-step:nth-child(4) .process-node { background: linear-gradient(135deg, #4f6ef7, #22d3ee); box-shadow: 0 0 0 6px rgba(79,110,247,0.12); }
.process-step:nth-child(5) .process-node { background: linear-gradient(135deg, #22d3ee, #34d399); box-shadow: 0 0 0 6px rgba(34,211,238,0.12); }

/* Accreditation logo badges (Eurotox / ABT / BTS row) — circular seal shape */
.logo-badge {
  background: #ffffff;
  border-radius: 50%;
  border: 1px solid rgba(15,23,42,0.06);
  box-shadow: 0 12px 28px -16px rgba(0,0,0,0.45);
}
html.light .logo-badge {
  box-shadow: 0 12px 28px -16px rgba(79,110,247,0.35);
  border-color: rgba(79,110,247,0.14);
}

.table-standards th, .table-standards td {
  padding: 1rem 1.25rem;
  text-align: left;
}
.table-standards thead th {
  background: rgba(79,110,247,0.12);
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  color: #fff;
}
.table-standards tbody tr:nth-child(even) { background: rgba(255,255,255,0.02); }

/* ============ LIGHT THEME ============
   Toggled via a "light" class on <html> (assets/main.js). Elements marked
   .theme-fixed (photo banners, colored CTA/dropdown surfaces) keep their
   original dark styling in both themes since their own background already
   provides the contrast their white text needs. */

html.light body { background: #eaf1fc; color: #1e293b; }
html.light #bgLayer { background: linear-gradient(180deg, #eaf1fc 0%, #f5f9ff 45%, #eaf1fc 100%); }
html.light #bgCanvas { opacity: 0.28; }
html.light .noise { opacity: 0.35; }
html.light .cursor-glow { opacity: 0.45; }

html.light ::-webkit-scrollbar-track { background: #dbe7fb; }
html.light ::-webkit-scrollbar-thumb { background: #a9c3ee; }
html.light ::-webkit-scrollbar-thumb:hover { background: #4f6ef7; }

html.light .text-white:not(.theme-fixed) { color: #0f172a; }
/* Plain hover:text-white links (dropdown items, footer links) turn invisible
   on a light page unless the hover also swaps to a colored background —
   restore those (hover:bg-accent) to white, everything else goes dark. */
html.light .hover\:text-white:hover:not(.theme-fixed) { color: #0f172a; }
html.light .hover\:bg-accent.hover\:text-white:hover { color: #fff; }
html.light .text-slate-200:not(.theme-fixed) { color: #0f172a; }
html.light .text-slate-300:not(.theme-fixed) { color: #1e293b; }
html.light .text-slate-400:not(.theme-fixed) { color: #475569; }
html.light .text-slate-500:not(.theme-fixed) { color: #64748b; }
html.light .text-slate-600:not(.theme-fixed) { color: #7c8798; }

/* Accent labels/links need a darker, more saturated shade to stay readable
   on a white page (the dark-theme hex values are tuned for a navy backdrop). */
html.light .text-accent:not(.theme-fixed) { color: #3452d9; }
html.light .text-accent2:not(.theme-fixed) { color: #0a8fa8; }
html.light .text-accent3:not(.theme-fixed) { color: #15915f; }

/* Cards get a crisp white surface (popping against the pale-blue page) with
   a blue-tinted border/shadow so the whole light theme reads as one cohesive
   blue + white palette rather than plain white-on-white. */
html.light .card:not(.theme-fixed) {
  background: linear-gradient(180deg, #ffffff, #f6faff);
  border-color: rgba(79,110,247,0.16);
  box-shadow: 0 1px 2px rgba(30,64,175,0.04), 0 12px 28px -16px rgba(79,110,247,0.28);
}

html.light .border-white\/0 { border-color: rgba(79,110,247,0); }
html.light .border-white\/10 { border-color: rgba(79,110,247,0.16); }
html.light .border-white\/15 { border-color: rgba(79,110,247,0.2); }

html.light .bg-white\/5:not(.theme-fixed) { background: rgba(79,110,247,0.06); }
html.light .bg-white\/10:not(.theme-fixed) { background: rgba(79,110,247,0.09); }
html.light .bg-white\/20:not(.theme-fixed) { background: rgba(79,110,247,0.12); }
html.light .bg-white\/30:not(.theme-fixed) { background: rgba(79,110,247,0.18); }
/* Alternating section stripes flip to crisp white against the pale-blue
   body, so sections read as distinct white/blue bands down the page. */
html.light .bg-white\/\[0\.02\] { background: #ffffff; }

html.light .bg-white.text-ink { background: #0f172a; color: #fff; }
html.light .bg-ink\/80 { background: rgba(234,241,252,0.85); }

html.light .nav-link.active { color: #0f172a; }
html.light .step-num { border-color: rgba(79,110,247,0.22); color: #0f172a; }

/* Footer's solid accent CTA hovers to white in dark mode for contrast against
   the navy footer; on a light page that would make the button vanish, so
   swap the hover state to a dark fill instead. */
html.light .bg-accent.hover\:bg-white:hover { background: #0f172a; color: #fff; }

/* Standards table: header tint + zebra striping tuned for the blue/white page. */
html.light .table-standards thead th { background: rgba(79,110,247,0.1); }
html.light .table-standards tbody tr:nth-child(even) { background: rgba(79,110,247,0.045); }

/* Restore original white-on-dark styling inside opted-out surfaces */
html.light .theme-fixed .text-white,
html.light .theme-fixed.text-white { color: #fff; }
html.light .theme-fixed .bg-white\/20 { background: rgba(255,255,255,0.2); }
html.light .theme-fixed .bg-white\/30 { background: rgba(255,255,255,0.3); }
html.light .theme-fixed .text-accent { color: #4f6ef7; }
html.light .theme-fixed .text-accent2 { color: #22d3ee; }
html.light .theme-fixed .text-accent3 { color: #34d399; }
html.light .theme-fixed .text-slate-200 { color: #e2e8f0; }
html.light .theme-fixed .text-slate-300 { color: #cbd5e1; }
html.light .theme-fixed .text-slate-400 { color: #94a3b8; }
html.light .theme-fixed .text-slate-500 { color: #64748b; }
html.light .theme-fixed .text-slate-600 { color: #475569; }