nav {
  background: rgba(10, 26, 22, 0.94);
  backdrop-filter: blur(24px) saturate(1.8);
  border-bottom: 1px solid rgba(184, 115, 51, 0.2);
  box-shadow: 0 2px 40px rgba(0, 0, 0, 0.45);
}

nav::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(212, 150, 90, 0.0) 15%,
    rgba(212, 150, 90, 0.75) 50%,
    rgba(212, 150, 90, 0.0) 85%,
    transparent 100%
  );
  background-size: 300% 100%;
  animation: navTopShimmer 5s ease-in-out infinite;
  pointer-events: none;
}
@keyframes navTopShimmer {
  0%   { background-position: -100% 0; }
  100% { background-position: 300% 0; }
}

.nav-indicator {
  position: absolute;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--copper), var(--copper-light), var(--copper));
  border-radius: 2px 2px 0 0;
  box-shadow: 0 0 12px rgba(184, 115, 51, 0.7), 0 0 24px rgba(184, 115, 51, 0.25);
  transition: left  0.36s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              width 0.36s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              opacity 0.2s;
  pointer-events: none;
}

.hero, .vision-hero, .os-hero, .ind-hero,
.partner-page-hero, .insights-hero, .contact-page-hero,
.contact-section, .methodology-section {
  position: relative;
  overflow: hidden;
}

.hero-circuit-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.hero-mesh {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}
.mesh-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}
.mesh-orb-1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(0, 102, 68, 0.42) 0%, transparent 70%);
  top: -280px; left: -160px;
  animation: orbFloat1 16s ease-in-out infinite alternate;
}
.mesh-orb-2 {
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(184, 115, 51, 0.22) 0%, transparent 70%);
  bottom: -160px; right: -100px;
  animation: orbFloat2 20s ease-in-out infinite alternate;
}
.mesh-orb-3 {
  width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(212, 150, 90, 0.1) 0%, transparent 70%);
  top: 25%; left: 55%;
  animation: orbFloat3 12s ease-in-out infinite alternate;
}
@keyframes orbFloat1 {
  from { transform: translate(0, 0); }
  to   { transform: translate(110px, 70px); }
}
@keyframes orbFloat2 {
  from { transform: translate(0, 0); }
  to   { transform: translate(-80px, -100px); }
}
@keyframes orbFloat3 {
  from { transform: translate(0, 0); }
  to   { transform: translate(60px, -50px); }
}

.hero > *:not(.hero-circuit-canvas):not(.hero-mesh) {
  position: relative;
  z-index: 2;
}

.hero {
  background: var(--deep-green);
}
.hero::before {
  background:
    radial-gradient(ellipse 70% 70% at 10% 40%, rgba(0, 102, 68, 0.55) 0%, transparent 55%),
    radial-gradient(ellipse 50% 60% at 90% 10%, rgba(184, 115, 51, 0.18) 0%, transparent 45%),
    radial-gradient(ellipse 60% 55% at 55% 95%, rgba(0, 30, 20, 0.7) 0%, transparent 55%);
}

.hero h1 {
  color: #ffffff;
  -webkit-text-fill-color: #ffffff;
  letter-spacing: -0.03em;
  text-shadow:
    0 1px 0  rgba(212, 150, 90, 0.95),
    0 2px 0  rgba(196, 130, 60, 0.85),
    0 3px 0  rgba(178, 108, 42, 0.70),
    0 4px 0  rgba(155,  88, 25, 0.50),
    0 5px 0  rgba(130,  68, 10, 0.28),
    0 10px 25px rgba(0, 0, 0, 0.75),
    0 20px 50px rgba(0, 0, 0, 0.40);
}

.hero h1 em {
  background: linear-gradient(135deg, #ffe0a0 0%, #d4965a 45%, #b87333 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
  filter: drop-shadow(0 4px 18px rgba(184, 115, 51, 0.55));
}

.hero .btn-secondary {
  color: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(8px);
}
.hero .btn-secondary:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.45);
}

.role-card {
  border-radius: var(--r-xl);
}

.bento-card {
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.35s ease;
}
.bento-card:hover { box-shadow: 0 24px 50px rgba(0,0,0,0.12); }

.expert-ed-card {
  transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
}
.expert-ed-card:hover { border-color: rgba(184, 115, 51, 0.3); }

.partner-item { transition: box-shadow 0.25s ease, border-left-color 0.25s ease; }
.partner-item:hover { border-left-color: var(--copper-light); }

.model-card { transition: transform 0.3s ease, box-shadow 0.3s ease; }
.model-card:hover { box-shadow: 0 16px 36px rgba(0,0,0,0.1); }

.sub-card-light, .sub-card-dark {
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.sub-card-light:hover, .sub-card-dark:hover { border-color: rgba(184, 115, 51, 0.3); }

.glass-card { transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease; }
.glass-card:hover { border-color: rgba(184, 115, 51, 0.35); box-shadow: 0 18px 40px rgba(0,0,0,0.1); }

.insight-card { transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease; }
.insight-card:hover { border-color: rgba(184, 115, 51, 0.3); }

.bbti-card { transition: transform 0.3s ease, box-shadow 0.3s ease; }
.bbti-card:hover { box-shadow: 0 16px 36px rgba(0,0,0,0.08); }

.platform-card { transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease; }
.platform-card:hover { border-color: rgba(184, 115, 51, 0.4); }

.btn-primary {
  box-shadow: 0 4px 20px rgba(184, 115, 51, 0.35), inset 0 1px 1px rgba(255,255,255,0.25);
}
.btn-primary:hover {
  box-shadow: 0 10px 32px rgba(184, 115, 51, 0.55), inset 0 1px 1px rgba(255,255,255,0.4);
}

.shift-num {
  font-variant-numeric: tabular-nums;
  background: linear-gradient(135deg, var(--copper-light) 0%, var(--copper) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 60px;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1;
  filter: drop-shadow(0 2px 8px rgba(184, 115, 51, 0.25));
}

.strategy-icon-box { position: relative; }
.strategy-icon-glow {
  position: absolute;
  inset: -8px;
  border-radius: 20px;
  background: radial-gradient(circle, rgba(184,115,51,0.3) 0%, transparent 70%);
  animation: iconGlowPulse 3s ease-in-out infinite;
  pointer-events: none;
}
@keyframes iconGlowPulse {
  0%, 100% { opacity: 0.55; transform: scale(1); }
  50%       { opacity: 1;    transform: scale(1.18); }
}

footer {
  background: linear-gradient(180deg, #0e0e0e 0%, #1a1a1a 100%);
  border-top: 1px solid rgba(184, 115, 51, 0.12);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--copper);
  box-shadow: 0 0 0 3px rgba(184, 115, 51, 0.18);
}
.form-submit {
  background: var(--deep-green);
  transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
}
.form-submit:hover {
  background: var(--pcb-green);
  box-shadow: 0 8px 24px rgba(0, 102, 68, 0.35);
  transform: translateY(-2px);
}

.geo-card { transition: transform 0.25s ease, box-shadow 0.25s ease; }
.geo-card:hover { box-shadow: 0 20px 44px rgba(0,0,0,0.45); }

.section-eyebrow::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 2px;
  background: var(--copper);
  border-radius: 1px;
  vertical-align: middle;
  margin-right: 8px;
  position: relative;
  top: -1px;
}

.timeline-step {
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              box-shadow 0.4s ease, border-color 0.4s ease;
}

.inv-item { transition: box-shadow 0.25s ease, border-left-color 0.25s ease; }
.inv-item:hover { border-left-color: var(--copper); box-shadow: 0 8px 28px rgba(0,0,0,0.08); }