:root {
  --aethika-midnight: #081826;
  --aethika-navy: #12263a;
  --aethika-slate: #1b2f45;
  --aethika-ink: #23384f;
  --aethika-gold: #c8a96b;
  --aethika-gold-soft: #e0c98e;
  --aethika-cyan: #5fa8d3;
  --aethika-white: #f4f7fa;
  --aethika-muted: #a9b7c6;
  --aethika-line: rgba(244, 247, 250, 0.12);
  --aethika-glass: rgba(255, 255, 255, 0.055);
  --aethika-shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", system-ui, sans-serif;
  color: var(--aethika-white);
  background:
    radial-gradient(circle at 15% 15%, rgba(95, 168, 211, 0.18), transparent 30%),
    radial-gradient(circle at 80% 0%, rgba(200, 169, 107, 0.14), transparent 28%),
    linear-gradient(135deg, #081826 0%, #12263a 55%, #07131f 100%);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, .navbar-brand {
  font-family: "Space Grotesk", "Inter", sans-serif;
  letter-spacing: -0.035em;
}

a {
  color: var(--aethika-gold-soft);
  text-decoration: none;
}

a:hover {
  color: #fff;
}

.section-padding {
  padding: 7rem 0;
}

.aethika-nav {
  background: rgba(8, 24, 38, 0.68);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--aethika-line);
  transition: all 0.25s ease;
}

.aethika-nav.nav-scrolled {
  background: rgba(8, 24, 38, 0.94);
  box-shadow: 0 8px 32px rgba(0,0,0,.28);
}

.brand-logo {
  width: 172px;
  max-height: 52px;
  object-fit: contain;
}

.footer-logo {
  width: 150px;
  max-height: 46px;
  object-fit: contain;
}

.nav-link {
  color: rgba(244, 247, 250, 0.78);
  font-weight: 600;
}

.nav-link:hover,
.nav-link.active {
  color: var(--aethika-gold-soft);
}

.btn-aethika {
  background: linear-gradient(135deg, var(--aethika-gold), #f1d994);
  border: 0;
  color: #102031;
  font-weight: 800;
  box-shadow: 0 12px 32px rgba(200, 169, 107, 0.24);
}

.btn-aethika:hover {
  transform: translateY(-1px);
  color: #081826;
  box-shadow: 0 18px 44px rgba(200, 169, 107, 0.32);
}

.btn-outline-aethika {
  border-color: rgba(224, 201, 142, 0.55);
  color: var(--aethika-gold-soft);
  font-weight: 700;
}

.btn-outline-aethika:hover {
  background: rgba(224, 201, 142, 0.12);
  border-color: var(--aethika-gold-soft);
  color: #fff;
}

.hero-section {
  isolation: isolate;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: radial-gradient(circle at 55% 45%, black, transparent 72%);
  opacity: 0.38;
  z-index: -3;
}

.hero-title {
  line-height: .95;
  max-width: 880px;
}

.hero-lead {
  color: var(--aethika-muted);
  max-width: 760px;
  font-size: 1.25rem;
}

.eyebrow {
  color: var(--aethika-gold-soft);
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: .78rem;
  font-weight: 800;
}

.section-title {
  font-size: clamp(2.5rem, 5vw, 4.8rem);
  line-height: .98;
  margin-bottom: 1.25rem;
}

.section-intro {
  color: var(--aethika-muted);
  font-size: 1.08rem;
}

.glass-panel,
.insight-card,
.capability-card,
.research-card,
.contact-card,
.accordion-item,
.pattern-card {
  background: linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.035));
  border: 1px solid var(--aethika-line);
  border-radius: 28px;
  box-shadow: var(--aethika-shadow);
}

.decision-console {
  transform: translateY(4rem);
}

.console-header {
  color: var(--aethika-muted);
  font-weight: 800;
}

.live-dot {
  color: #a9f1c6;
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.live-dot::before {
  content: "";
  display: inline-block;
  width: .55rem;
  height: .55rem;
  margin-right: .4rem;
  border-radius: 50%;
  background: #62e08b;
  box-shadow: 0 0 18px #62e08b;
}

.console-step {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--aethika-line);
}

.console-step strong {
  display: block;
}

.console-step small {
  color: var(--aethika-muted);
}

.step-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(95,168,211,.12);
  color: var(--aethika-cyan);
}

.signal-orbit {
  position: absolute;
  border: 1px solid rgba(224, 201, 142, 0.24);
  border-radius: 50%;
  z-index: -2;
  animation: slowPulse 8s ease-in-out infinite;
}

.orbit-one {
  width: 580px;
  height: 580px;
  right: -160px;
  top: 12%;
}

.orbit-two {
  width: 360px;
  height: 360px;
  right: 170px;
  top: 30%;
  animation-delay: 1.8s;
}

@keyframes slowPulse {
  0%, 100% { transform: scale(1); opacity: .5; }
  50% { transform: scale(1.06); opacity: .85; }
}

.insight-card,
.capability-card,
.research-card {
  padding: 2rem;
  transition: transform .25s ease, border-color .25s ease, background .25s ease;
}

.insight-card:hover,
.capability-card:hover,
.research-card:hover,
.pattern-card:hover {
  transform: translateY(-6px);
  border-color: rgba(224, 201, 142, 0.38);
}

.card-number {
  display: inline-block;
  color: var(--aethika-gold-soft);
  font-weight: 900;
  margin-bottom: 3rem;
}

.insight-card h3,
.capability-card h3,
.research-card h3,
.research-card h2 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.insight-card p,
.capability-card p,
.research-card p,
.pattern-card p {
  color: var(--aethika-muted);
  margin-bottom: 0;
}

.capability-card i {
  font-size: 2rem;
  color: var(--aethika-gold-soft);
  margin-bottom: 1.25rem;
}

.contrast-band {
  background:
    linear-gradient(135deg, rgba(200,169,107,.14), rgba(95,168,211,.08)),
    rgba(255,255,255,.035);
  border-top: 1px solid var(--aethika-line);
  border-bottom: 1px solid var(--aethika-line);
}

.quote-title {
  font-family: "IBM Plex Serif", serif;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.05;
}

.mini-metric {
  padding: 1.5rem;
  border-radius: 22px;
  background: rgba(8,24,38,.5);
  border: 1px solid var(--aethika-line);
}

.mini-metric span {
  display: block;
  color: var(--aethika-gold-soft);
  text-transform: uppercase;
  font-size: .72rem;
  letter-spacing: .14em;
  font-weight: 800;
  margin-bottom: .45rem;
}

.mini-metric strong {
  font-size: 1.1rem;
}

.architecture-panel {
  position: relative;
  overflow: hidden;
}

.architecture-panel::after {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  right: -220px;
  bottom: -260px;
  background: radial-gradient(circle, rgba(95,168,211,.18), transparent 70%);
  pointer-events: none;
}

.decision-flow {
  display: grid;
  grid-template-columns: 1fr 46px 1fr 46px 1fr 46px 1fr;
  align-items: center;
  gap: .5rem;
}

.flow-node {
  min-height: 150px;
  border: 1px solid var(--aethika-line);
  border-radius: 26px;
  background: rgba(8,24,38,.52);
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  font-weight: 900;
  font-size: 1.05rem;
}

.flow-node small {
  margin-top: .6rem;
  color: var(--aethika-muted);
  font-weight: 500;
}

.flow-node.accent {
  background: linear-gradient(135deg, rgba(200,169,107,.26), rgba(95,168,211,.12));
  border-color: rgba(224,201,142,.45);
}

.flow-arrow {
  height: 2px;
  background: linear-gradient(90deg, var(--aethika-cyan), var(--aethika-gold));
  position: relative;
}

.flow-arrow::after {
  content: "";
  position: absolute;
  right: -2px;
  top: -5px;
  border-left: 8px solid var(--aethika-gold);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}

.soft-section {
  background: rgba(255,255,255,.025);
  border-top: 1px solid var(--aethika-line);
  border-bottom: 1px solid var(--aethika-line);
}

.pattern-card {
  min-height: 250px;
  padding: 0;
  overflow: hidden;
  position: relative;
}

.pattern-front,
.pattern-back {
  padding: 2rem;
  transition: transform .35s ease, opacity .35s ease;
}

.pattern-back {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(200,169,107,.18), rgba(95,168,211,.12));
  transform: translateY(100%);
  opacity: 0;
}

.pattern-card:hover .pattern-back {
  transform: translateY(0);
  opacity: 1;
}

.pattern-card:hover .pattern-front {
  transform: translateY(-25%);
  opacity: .16;
}

.pattern-label,
.research-card span {
  display: inline-block;
  color: var(--aethika-gold-soft);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .72rem;
  font-weight: 900;
  margin-bottom: 1rem;
}

.aethika-accordion .accordion-item {
  color: var(--aethika-white);
  margin-bottom: 1rem;
  overflow: hidden;
}

.aethika-accordion .accordion-button {
  color: var(--aethika-white);
  background: rgba(255,255,255,.035);
  font-weight: 900;
  font-size: 1.2rem;
}

.aethika-accordion .accordion-button:not(.collapsed) {
  color: var(--aethika-gold-soft);
  background: rgba(200,169,107,.09);
}

.aethika-accordion .accordion-body {
  color: var(--aethika-muted);
  background: rgba(8,24,38,.28);
}

.research-card.large {
  min-height: 360px;
  display: flex;
  flex-direction: column;
}

.research-card.large .btn {
  margin-top: auto;
  align-self: flex-start;
}

.contact-section {
  background:
    radial-gradient(circle at 75% 40%, rgba(200,169,107,.14), transparent 30%),
    radial-gradient(circle at 10% 70%, rgba(95,168,211,.14), transparent 28%);
}

.form-control {
  background: rgba(255,255,255,.06);
  border-color: var(--aethika-line);
  color: var(--aethika-white);
  border-radius: 14px;
}

.form-control:focus {
  background: rgba(255,255,255,.09);
  border-color: var(--aethika-gold-soft);
  color: var(--aethika-white);
  box-shadow: 0 0 0 .25rem rgba(200,169,107,.15);
}

.footer {
  background: rgba(3, 12, 20, 0.64);
  border-top: 1px solid var(--aethika-line);
}

.footer a {
  margin-left: 1rem;
  color: var(--aethika-muted);
  font-weight: 700;
}

.subhero {
  min-height: 58vh;
  display: flex;
  align-items: center;
  background:
    radial-gradient(circle at 80% 30%, rgba(200,169,107,.16), transparent 35%),
    linear-gradient(135deg, rgba(8,24,38,.4), rgba(18,38,58,.4));
}

.modal-content {
  background: #0d2033;
  border: 1px solid var(--aethika-line);
  border-radius: 24px;
}

.modal-header {
  border-color: var(--aethika-line);
}

@media (max-width: 991.98px) {
  .brand-logo {
    width: 142px;
  }

  .section-padding {
    padding: 5rem 0;
  }

  .decision-flow {
    grid-template-columns: 1fr;
  }

  .flow-arrow {
    height: 38px;
    width: 2px;
    justify-self: center;
  }

  .flow-arrow::after {
    right: -5px;
    top: 30px;
    transform: rotate(90deg);
  }

  .hero-title {
    font-size: clamp(3.3rem, 13vw, 5.5rem);
  }

  .footer a {
    margin: 0 1rem 0 0;
  }
}