/* Blue depth and interaction polish; client references remain unchanged. */
:root {
  --brand-gradient: linear-gradient(112deg, #0b4fb8 0%, #086ddd 54%, #0877bf 100%);
  --night-gradient: linear-gradient(125deg, #09264e 0%, #0b3c7a 60%, #0865a8 100%);
}
main > section:not(.logo-section) h1,
main > section:not(.logo-section) h2,
main > section:not(.logo-section) h3 { font-family: var(--sans); }
.site-header, .site-header.is-scrolled { background: #fff; }

.hero {
  position: relative;
  isolation: isolate;
  background:
    radial-gradient(ellipse at 9% 5%, rgba(49,164,245,.16), transparent 48%),
    radial-gradient(ellipse at 94% 28%, rgba(18,168,235,.18), transparent 45%),
    linear-gradient(180deg, #f5faff 0%, #fbfdff 65%, #fff 100%);
}
.hero h1 { letter-spacing: -.055em; }
.hero h1 em,
.education h2 em,
.results h2 em,
.services h2 em,
.about h2 em,
.contact h2 em {
  color: #086ac6;
  background: linear-gradient(100deg, #0b4fb8 5%, #0c76d3 57%, #0784b9 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero .status-dot { box-shadow: 0 0 0 5px rgba(18,168,235,.10); }
.hero-lead { color: #4f5c6c; }
.hero-proof {
  background:
    radial-gradient(ellipse at 4% 0%, rgba(63,181,255,.27), transparent 65%),
    linear-gradient(112deg, #0a326d 0%, #0b58c5 57%, #087fae 100%);
  color: #fff;
  border: 1px solid rgba(255,255,255,.4);
  box-shadow: 0 18px 50px -22px rgba(11,88,197,.5), inset 0 1px 0 rgba(255,255,255,.25);
}
.proof-stats div { border-color: rgba(255,255,255,.24); }
.proof-stats span { color: #fff; }
.trust-strip { color: #536781 !important; }

.button-primary, .header-cta {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--brand-gradient);
  background-size: 160% 100%;
  background-position: 0% 50%;
  border-color: rgba(255,255,255,.18);
  box-shadow: 0 6px 18px -8px rgba(11,88,197,.6), inset 0 1px 0 rgba(255,255,255,.22);
}
.button-primary::before, .header-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(105deg, transparent 25%, rgba(255,255,255,.22) 49%, transparent 70%);
  transform: translateX(-120%);
  transition: transform .65s ease;
  pointer-events: none;
}
.button, .header-cta { transition: transform .25s ease, box-shadow .25s ease, background-position .45s ease, border-color .25s ease; }
.button .arrow-icon, .header-cta .arrow-icon, .contact-email .arrow-icon { transition: transform .25s ease; }
.button-ghost { background: rgba(255,255,255,.7); border-color: #becedf; box-shadow: 0 2px 0 rgba(255,255,255,.6) inset; }

.site-nav a { position: relative; }
.site-nav a::after {
  content: "";
  display: block;
  position: absolute;
  left: 0;
  right: 0;
  bottom: 6px;
  height: 2px;
  background: var(--brand-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}

.education {
  background:
    radial-gradient(ellipse at 100% 0%, rgba(18,168,235,.07), transparent 55%),
    linear-gradient(180deg, #f4f8fc, #f7f9fc);
}
.education-grid article {
  border: 1px solid rgba(119,156,194,.18);
  background: linear-gradient(145deg, #fff 45%, #f6fbff 100%);
  box-shadow: 0 8px 28px -20px rgba(30,73,121,.28), inset 0 1px 0 #fff;
}
.education-grid article > span {
  background: linear-gradient(135deg, #e4f2ff, #f0faff);
  border: 1px solid rgba(11,88,197,.12);
}
html.motion-ready .education-grid article,
html.motion-ready .case,
html.motion-ready .about-card {
  transition: opacity .5s ease, transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}

.case { position: relative; border: 1px solid rgba(120,154,192,.18); box-shadow: 0 10px 30px -24px rgba(20,60,110,.35); }
.case-blue { background: linear-gradient(128deg, #0a4dbb 0%, #096de0 60%, #0877bf 100%); color: #fff; }
.case-ink { background: var(--night-gradient); color: #fff; }
.case-paper { background: linear-gradient(130deg, #f5f8fc 0%, #e9f1fa 100%); }
.case-soft { background: linear-gradient(125deg, #e3f3ff, #f4fcff 68%, #e5f4fa); }
.case-blue .case-top > span:last-child,
.case-ink .case-top > span:last-child,
.case-blue .case-bottom p,
.case-ink .case-bottom p,
.case-blue .case-bottom > span,
.case-ink .case-bottom > span { color: #fff; }

.industry-statement {
  background:
    radial-gradient(ellipse at 95% 0%, rgba(33,196,255,.27), transparent 60%),
    linear-gradient(120deg, #0b49a6, #0a6ed2 65%, #0877bf);
  color: white !important;
}
.industry-statement em { color: #ccefff; }
.industry-statement > span { color: #fff; }

.service { transition: background .25s ease, box-shadow .25s ease; }
.service h3 { transition: color .25s ease; }
.process {
  background:
    radial-gradient(ellipse at 2% 0%, rgba(27,126,218,.2), transparent 60%),
    linear-gradient(125deg, #08264d, #0b3a72 70%, #07537f);
  color: #fff !important;
}
main > .process .eyebrow { color: #b8d5f4; }
.process .eyebrow > span:first-child { color: #5dccff; }
.process h2 em { color: #7fd5ff; }
.process-intro > p:last-child, .process-list p { color: #c4d5e8; }
.process-list li { border-color: rgba(177,213,248,.22); }
.process-list span { color: #72d1ff; }
.about-card {
  background:
    radial-gradient(ellipse at 100% 0%, rgba(85,216,255,.28), transparent 60%),
    linear-gradient(135deg, #0c4bb0, #096ed2 65%, #0877bf);
  color: white;
  box-shadow: 0 18px 48px -28px rgba(11,88,197,.55), inset 0 1px 0 rgba(255,255,255,.24);
}
.team-number { color: white; }
.team-number > span { color: #8ae2ff; }
.about-card p { color: #fff; }
.contact {
  background:
    radial-gradient(ellipse at 8% 100%, rgba(18,168,235,.13), transparent 58%),
    radial-gradient(ellipse at 95% 0%, rgba(74,143,240,.10), transparent 50%),
    linear-gradient(125deg, #f3f8ff, #fbfdff 70%, #eff8ff);
}
.contact-kicker { border-color: #cdddec; }
.contact-email { transition: color .2s ease; }
footer { background: #fff; }

@media (hover: hover) and (pointer: fine) {
  .button-primary:hover, .header-cta:hover {
    background: var(--brand-gradient);
    background-size: 160% 100%;
    background-position: 100% 50%;
    transform: translateY(-3px);
    box-shadow: 0 12px 26px -12px rgba(11,88,197,.7), inset 0 1px 0 rgba(255,255,255,.28);
  }
  .button-primary:hover::before, .header-cta:hover::before { transform: translateX(120%); }
  .button-ghost:hover { background: #fff; border-color: #5998d4; transform: translateY(-3px); box-shadow: 0 10px 24px -15px rgba(26,83,144,.4); }
  .button:hover .arrow-icon, .header-cta:hover .arrow-icon { transform: translateX(3px); }
  .button:hover .arrow-down { transform: translateY(3px) rotate(90deg); }
  .site-nav a:hover::after { transform: scaleX(1); }
  .education-grid article:hover { transform: translateY(-6px); border-color: #93bee6; box-shadow: 0 20px 40px -22px rgba(20,75,138,.30); }
  .case:hover { transform: translateY(-5px); box-shadow: 0 22px 44px -25px rgba(15,59,117,.45); border-color: rgba(69,144,216,.5); }
  .service:hover { background: linear-gradient(90deg, rgba(11,88,197,.045), transparent 85%); box-shadow: inset 3px 0 0 rgba(11,88,197,.45); }
  .service:hover h3 { color: var(--blue-deep); }
  .about-card:hover { transform: translateY(-5px); box-shadow: 0 24px 50px -26px rgba(11,88,197,.6); }
  .contact-email:hover .arrow-icon { transform: translate(3px,-3px); }
}
.button-primary:focus-visible, .header-cta:focus-visible { background-position: 100% 50%; outline-color: #0b58c5; }
.site-nav a:focus-visible::after { transform: scaleX(1); }
.button:active, .header-cta:active { transform: translateY(1px) scale(.99); }

@media (max-width: 1080px) {
  .site-nav {
    background:
      radial-gradient(ellipse at 100% 0%, rgba(18,168,235,.10), transparent 55%),
      linear-gradient(145deg, #fbfdff, #f0f7ff);
  }
  .site-nav a::after { display: none; }
  .menu-toggle { background: linear-gradient(140deg, #eff6ff, #f8fbff); box-shadow: inset 0 0 0 1px #dce9f7; }
}
@media (max-width: 720px) {
  .hero {
    background:
      radial-gradient(ellipse at 0% 5%, rgba(49,164,245,.12), transparent 50%),
      radial-gradient(ellipse at 100% 35%, rgba(18,168,235,.14), transparent 48%),
      linear-gradient(180deg, #f5faff, #fff);
  }
  .hero h1 { font-size: clamp(39px, 10.4vw, 60px); }
  .hero-proof { box-shadow: 0 16px 34px -22px rgba(11,88,197,.55); }
  .proof-stats div { border-color: rgba(255,255,255,.22); }
}
@media (prefers-reduced-motion: reduce) {
  .button-primary::before, .header-cta::before { display: none; }
  .button, .header-cta, .education-grid article:hover, .case:hover, .about-card:hover { transform: none !important; }
  .arrow-icon { transition: none !important; }
}
@media print {
  .hero h1 em, .education h2 em, .results h2 em, .services h2 em, .about h2 em, .contact h2 em { -webkit-text-fill-color: currentColor; background: none; }
}
