/*
 * Clear Seas Solutions — Home Experience
 * Avant-garde yet professional interface layering for AI & machine cognition consulting
 */

:root {
  --hero-mask-progress: 0;
  --hero-card-depth-scale: 1;
  --hero-parallax-y: 0px;
  --moire-shift: 0px;
  --moire-rotation: 0deg;
  --moire-scale: 1;
  --moire-opacity: 0.35;
  --moire-drift-x: 0px;
  --moire-drift-y: 0px;
  --hero-pointer-tilt-x: 0deg;
  --hero-pointer-tilt-y: 0deg;
  --hero-focus-gain: 0;
  --hero-choreo-progress: 0;
  --hero-energy: 0;
  --hero-instability: 0;
  --hero-surge: 0;
  --hero-focus-progress: 0;
  --hero-pointer-shift: 0px;
  --hero-card-depth-lift: 0px;
  --texture-hue: 0deg;
  --texture-saturation: 1;
  --texture-opacity: 0.85;
}

body {
  position: relative;
  min-height: 100vh;
}

body.scroll-choreography-active {
  scroll-behavior: auto;
}

body.scroll-choreo-reduced .hero {
  position: relative;
  min-height: auto;
}

body.scroll-choreo-reduced {
  --hero-mask-progress: 1;
  --hero-parallax-y: 0px;
  --moire-shift: 0px;
  --moire-rotation: 0deg;
  --moire-scale: 1;
  --moire-opacity: 0.18;
  --moire-drift-x: 0px;
  --moire-drift-y: 0px;
  --hero-pointer-tilt-x: 0deg;
  --hero-pointer-tilt-y: 0deg;
  --hero-focus-gain: 0;
  --hero-choreo-progress: 0;
  --hero-energy: 0;
  --hero-instability: 0;
  --hero-surge: 0;
  --hero-focus-progress: 0;
  --hero-pointer-shift: 0px;
  --hero-card-depth-lift: 0px;
  --texture-hue: 0deg;
  --texture-saturation: 1;
  --texture-opacity: 0.75;
}

#polytopal-field {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: -3;
  opacity: 0.85;
}

.moire-layer {
  position: fixed;
  inset: -8% -12%;
  pointer-events: none;
  z-index: -1;
  display: grid;
  place-items: center;
  mix-blend-mode: screen;
  opacity: calc(var(--moire-opacity) * (0.75 + var(--hero-energy) * 0.6));
  transform: translateY(calc(var(--hero-parallax-y) * -0.08)) scale(var(--moire-scale))
    rotate(var(--moire-rotation));
  transition: opacity 0.6s var(--ease-in-out);
}

.scroll-choreo-reduced .moire-layer {
  mix-blend-mode: lighten;
}

.moire-layer::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 40%, rgba(16, 24, 38, 0.35), transparent 70%);
  filter: blur(120px);
  opacity: 0.75;
}

.moire-channel {
  position: relative;
  width: min(1200px, 90vw);
  height: min(1200px, 90vh);
  border-radius: clamp(280px, calc(520px * (1 - var(--hero-mask-progress) * 0.3)), 640px);
  background-size: 180px 180px;
  background-position:
    calc(50% + var(--moire-drift-x)) calc(50% + var(--moire-drift-y)),
    calc(50% - var(--moire-drift-x)) calc(50% - var(--moire-drift-y));
  background-blend-mode: screen;
  filter: blur(0.2px);
  transform: translateY(var(--hero-parallax-y));
  opacity: calc(0.32 + var(--hero-energy) * 0.38);
}

.moire-channel::after {
  content: "";
  position: absolute;
  inset: 12%;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.02);
  mix-blend-mode: overlay;
}

.moire-channel-r {
  background-image:
    repeating-linear-gradient(
      135deg,
      rgba(255, 64, 110, 0.35) 0px,
      rgba(255, 64, 110, 0.35) 24px,
      transparent 24px,
      transparent 48px
    ),
    repeating-linear-gradient(
      -135deg,
      rgba(255, 64, 110, 0.12) 0px,
      rgba(255, 64, 110, 0.12) 16px,
      transparent 16px,
      transparent 32px
    );
  transform: translateX(calc(var(--moire-shift) * -0.5)) translateY(calc(var(--hero-parallax-y) * -0.08)) rotate(-1deg);
}

.moire-channel-g {
  background-image:
    repeating-linear-gradient(
      45deg,
      rgba(0, 214, 255, 0.32) 0px,
      rgba(0, 214, 255, 0.32) 20px,
      transparent 20px,
      transparent 40px
    ),
    repeating-linear-gradient(
      -45deg,
      rgba(0, 214, 255, 0.18) 0px,
      rgba(0, 214, 255, 0.18) 32px,
      transparent 32px,
      transparent 64px
    );
  transform: translateX(calc(var(--moire-shift) * 0.4)) translateY(calc(var(--hero-parallax-y) * -0.05)) rotate(0.5deg);
}

.moire-channel-b {
  background-image:
    repeating-linear-gradient(
      90deg,
      rgba(120, 92, 255, 0.28) 0px,
      rgba(120, 92, 255, 0.28) 18px,
      transparent 18px,
      transparent 36px
    ),
    repeating-linear-gradient(
      0deg,
      rgba(120, 92, 255, 0.18) 0px,
      rgba(120, 92, 255, 0.18) 30px,
      transparent 30px,
      transparent 60px
    );
  transform: translateX(calc(var(--moire-shift) * 0.8)) translateY(calc(var(--hero-parallax-y) * -0.12)) rotate(1.35deg);
}

.moire-channel:not(:first-child) {
  mix-blend-mode: lighten;
}

.texture-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(0, 212, 255, 0.08) 0%, transparent 55%),
    radial-gradient(circle at 80% 0%, rgba(255, 0, 110, 0.1) 0%, transparent 60%),
    linear-gradient(115deg, rgba(10, 15, 26, 0.6), rgba(10, 15, 18, 0.9));
  mix-blend-mode: screen;
  opacity: var(--texture-opacity);
  filter: hue-rotate(var(--texture-hue)) saturate(var(--texture-saturation));
  transform: scale3d(calc(1 + var(--hero-energy) * 0.02), calc(1 + var(--hero-energy) * 0.02), 1);
  transition:
    opacity 0.8s var(--ease-in-out),
    filter 0.8s var(--ease-in-out),
    transform 0.8s var(--ease-in-out);
}

.container {
  width: min(1180px, calc(100% - 2 * var(--space-5)));
  margin: 0 auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 12;
  padding: var(--space-3) 0;
  backdrop-filter: blur(18px);
  background: rgba(8, 9, 14, 0.55);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: background-color var(--duration-slow) var(--ease-in-out),
    border-color var(--duration-slow) var(--ease-in-out),
    transform var(--duration-slow) var(--ease-in-out);
}

.site-header.is-scrolled {
  background: rgba(8, 9, 14, 0.85);
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(0);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  position: relative;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.65), rgba(255, 0, 110, 0.55));
  box-shadow: 0 0 18px rgba(0, 212, 255, 0.35);
  font-size: var(--font-size-lg);
  color: var(--color-white);
}

.primary-navigation {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.primary-navigation a {
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-2);
  border-radius: 999px;
  transition: color var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out);
}

.primary-navigation a:hover,
.primary-navigation a:focus {
  color: var(--text-primary);
  background-color: rgba(0, 212, 255, 0.1);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.65rem 1.4rem;
  border-radius: 999px;
  border: 1px solid rgba(0, 212, 255, 0.35);
  background: linear-gradient(120deg, rgba(0, 212, 255, 0.35), rgba(255, 0, 110, 0.25));
  color: var(--color-white);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: transform var(--duration-normal) var(--ease-in-out),
    box-shadow var(--duration-normal) var(--ease-in-out);
}

.nav-cta:hover,
.nav-cta:focus {
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 0.5rem;
  border-radius: 12px;
  cursor: pointer;
  position: relative;
  color: var(--text-primary);
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
  transition: transform var(--duration-normal) var(--ease-in-out),
    opacity var(--duration-fast) var(--ease-in);
}

.nav-toggle-icon {
  position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-icon::before {
  transform: translateY(-6px);
}

.nav-toggle-icon::after {
  transform: translateY(6px);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
  transform: rotate(-45deg);
}

.site-main {
  padding-top: var(--space-8);
}

.hero {
  position: relative;
  padding: var(--space-32) 0 var(--space-24);
  min-height: 100vh;
  display: flex;
  align-items: center;
  isolation: isolate;
  overflow: visible;
  --hero-mask-radius: clamp(18px, calc(240px * (1 - var(--hero-mask-progress))), 320px);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 8% 12% auto 10%;
  height: 60%;
  background: radial-gradient(circle at top right, rgba(0, 212, 255, 0.18), transparent 65%);
  filter: blur(80px);
  z-index: -1;
}

.hero::after {
  content: "";
  position: absolute;
  inset: clamp(12px, calc(60px * var(--hero-mask-progress)), 120px);
  border-radius: var(--hero-mask-radius);
  border: 1px solid rgba(255, 255, 255, calc(0.05 + var(--hero-energy) * 0.12));
  background: linear-gradient(
    140deg,
    rgba(12, 16, 28, calc(0.7 + var(--hero-energy) * 0.12)),
    rgba(26, 30, 44, calc(0.38 + var(--hero-focus-progress) * 0.22))
  );
  mix-blend-mode: screen;
  opacity: clamp(0.2, calc(0.6 - var(--hero-mask-progress) * 0.3 + var(--hero-energy) * 0.25), 0.75);
  box-shadow: 0 32px 140px rgba(0, 212, 255, calc(0.08 + var(--hero-energy) * 0.18));
  filter: blur(calc((1 - var(--hero-mask-progress)) * 6px));
  pointer-events: none;
  transition: opacity 0.35s ease, box-shadow 0.6s var(--ease-in-out), border-color 0.6s var(--ease-in-out),
    background 0.6s var(--ease-in-out);
  z-index: -1;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: var(--space-12);
  align-items: center;
}

.hero-text {
  transform:
    translateY(calc(var(--hero-parallax-y) * -0.05))
    translateX(calc(var(--hero-pointer-shift) * 0.04));
  transition: transform 0.45s var(--ease-in-out);
}

.hero h1 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-size: clamp(2.75rem, 4vw, 4rem);
  line-height: 1.05;
  margin-bottom: var(--space-5);
  letter-spacing: calc(0.02em + var(--hero-surge) * 0.01em - var(--hero-focus-progress) * 0.006em);
  text-shadow: 0 24px 60px rgba(0, 0, 0, calc(0.35 + var(--hero-energy) * 0.25));
  transition: letter-spacing 0.6s var(--ease-in-out), text-shadow 0.6s var(--ease-in-out);
}

.hero-lede {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, calc(0.72 + var(--hero-focus-progress) * 0.2));
  max-width: 46ch;
  transition: color 0.5s var(--ease-in-out);
}

.eyebrow {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: var(--space-4);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin: var(--space-6) 0;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.85rem 1.85rem;
  border-radius: 999px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--duration-normal) var(--ease-in-out),
    box-shadow var(--duration-normal) var(--ease-in-out),
    border-color var(--duration-normal) var(--ease-in-out);
}

.btn-primary {
  color: var(--color-white);
  background: linear-gradient(120deg, var(--theme-primary), var(--theme-secondary));
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.25);
}

.btn-primary:hover,
.btn-primary:focus {
  box-shadow: 0 12px 40px rgba(0, 212, 255, 0.35);
  transform: translateY(-2px);
}

.btn-ghost {
  color: var(--theme-primary-light);
  border-color: rgba(0, 212, 255, 0.4);
  background: rgba(12, 16, 24, 0.6);
}

.btn-ghost:hover,
.btn-ghost:focus {
  background: rgba(0, 212, 255, 0.12);
  color: var(--color-white);
}

.btn-soft {
  color: rgba(255, 255, 255, 0.8);
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
}

.btn-soft:hover,
.btn-soft:focus {
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--color-white);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  list-style: none;
  padding: 0;
}

.hero-tags li {
  padding: 0.4rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(14, 18, 26, 0.65);
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}

[data-scroll-scene] {
  position: relative;
}

.scroll-scene-fade-in {
  opacity: 0;
  transform: translateY(60px);
}

.scroll-choreo-reduced [data-scroll-scene] {
  opacity: 1 !important;
  transform: none !important;
}

.hero-panels {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  position: relative;
  transform-style: preserve-3d;
  perspective: 1400px;
  transform:
    translateY(calc(var(--hero-parallax-y) * 0.12))
    translateX(calc(var(--hero-pointer-shift) * 0.025));
  transition: transform 0.5s var(--ease-in-out);
}

.signal-card {
  position: relative;
  padding: var(--space-6);
  border-radius: var(--space-3);
  border: 1px solid rgba(255, 255, 255, calc(0.08 + var(--hero-energy) * 0.18));
  background: linear-gradient(
    165deg,
    rgba(12, 16, 26, calc(0.8 + var(--hero-energy) * 0.1)),
    rgba(24, 28, 38, calc(0.62 + var(--hero-energy) * 0.2))
  );
  backdrop-filter: blur(18px);
  box-shadow: 0 calc(18px * var(--card-depth, 1) + var(--hero-card-depth-lift))
    calc(40px * var(--card-depth, 1) + var(--hero-card-depth-lift) * 1.2)
    rgba(0, 0, 0, calc(0.22 + var(--hero-energy) * 0.18));
  overflow: hidden;
  will-change: transform, border-color, box-shadow;
  transform-origin: center;
  transform: translate3d(
      0,
      0,
      calc(var(--card-depth, 1) * 12px + var(--card-lift, 0px) + var(--hero-card-depth-lift))
    )
    rotateX(var(--card-pointer-tilt-y, 0deg))
    rotateY(var(--card-pointer-tilt-x, 0deg))
    scale3d(
      calc(1 + var(--hero-energy) * 0.035),
      calc(1 + var(--hero-energy) * 0.035),
      1
    );
  transition: transform var(--duration-normal) var(--ease-in-out),
    border-color var(--duration-normal) var(--ease-in-out),
    box-shadow var(--duration-normal) var(--ease-in-out),
    filter var(--duration-normal) var(--ease-in-out);
}

.signal-card::before {
  content: "";
  position: absolute;
  inset: -20% -20% auto auto;
  width: 180px;
  height: 180px;
  background: radial-gradient(
    circle,
    rgba(0, 212, 255, calc(0.18 + var(--hero-energy) * 0.12)),
    transparent 60%
  );
  transform: rotate(35deg);
  opacity: calc(0.6 + var(--hero-energy) * 0.35);
  pointer-events: none;
}

.signal-card::after {
  content: "";
  position: absolute;
  inset: -14%;
  border-radius: inherit;
  background: radial-gradient(
    circle,
    rgba(0, 212, 255, calc(0.12 + var(--hero-energy) * 0.1)),
    transparent 70%
  );
  opacity: calc(0.12 + var(--hero-focus-gain) * 0.35 + var(--hero-energy) * 0.18);
  pointer-events: none;
  transition: opacity 0.4s var(--ease-in-out);
}

.signal-card h2 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-4);
}

.signal-card p {
  color: rgba(255, 255, 255, 0.78);
}

.signal-card .signal-metadata {
  margin-top: var(--space-6);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}

.signal-card .signal-metadata strong {
  display: block;
  margin-top: var(--space-2);
  color: var(--theme-primary-light);
  font-size: var(--font-size-sm);
}

.signal-card.maritime::before {
  background: radial-gradient(circle, rgba(255, 0, 110, 0.24), transparent 60%);
}

.signal-card:hover,
.signal-card:focus-within {
  --card-lift: 18px;
  border-color: rgba(0, 212, 255, 0.35);
  box-shadow: 0 28px 72px rgba(0, 212, 255, 0.22);
  filter: saturate(1.05);
}

.section {
  position: relative;
  padding: var(--space-24) 0;
}

.section + .section {
  margin-top: var(--space-4);
}

.section-heading {
  max-width: 72ch;
  margin-bottom: var(--space-12);
}

.section-heading h2 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-size: clamp(2.25rem, 3vw, 3rem);
  margin-bottom: var(--space-4);
}

.capabilities {
  position: relative;
}

.capabilities::before {
  content: "";
  position: absolute;
  inset: 10% 15% auto 15%;
  height: 55%;
  background: radial-gradient(circle at center, rgba(0, 212, 255, 0.12), transparent 70%);
  filter: blur(120px);
  z-index: -1;
}

.capabilities-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.capability-card {
  padding: var(--space-6);
  border-radius: var(--space-3);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(14, 18, 26, 0.78);
  box-shadow: 0 20px 35px rgba(0, 0, 0, 0.25);
  transition: transform var(--duration-normal) var(--ease-in-out),
    border-color var(--duration-normal) var(--ease-in-out);
}

.capability-card:hover,
.capability-card:focus-within {
  transform: translateY(-6px);
  border-color: rgba(0, 212, 255, 0.45);
}

.capability-card h3 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-size: var(--font-size-2xl);
}

.capability-card ul {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.capability-card li {
  position: relative;
  padding-left: var(--space-5);
  color: rgba(255, 255, 255, 0.75);
}

.capability-card li::before {
  content: "◦";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--theme-primary);
}

.research {
  background: linear-gradient(160deg, rgba(12, 18, 30, 0.9), rgba(16, 22, 32, 0.75));
  border-block: 1px solid rgba(255, 255, 255, 0.08);
}

.research-grid {
  display: grid;
  gap: var(--space-12);
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  align-items: start;
}

.research-points {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-6);
}

.research-points .point h3 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-size: var(--font-size-xl);
  color: var(--theme-primary-light);
}

.research-lab {
  align-self: stretch;
  padding: var(--space-6);
  border-radius: var(--space-3);
  border: 1px solid rgba(0, 212, 255, 0.2);
  background: rgba(8, 10, 18, 0.82);
  box-shadow: 0 25px 45px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(14px);
  display: grid;
  gap: var(--space-5);
}

.lab-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}

.lab-metric {
  color: var(--theme-secondary-light);
}

.lab-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.lab-list li {
  padding-left: var(--space-4);
  position: relative;
  color: rgba(255, 255, 255, 0.75);
}

.lab-list li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--theme-secondary);
}

.platform-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.platform-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6);
  border-radius: var(--space-3);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(10, 14, 22, 0.78);
  box-shadow: 0 20px 35px rgba(0, 0, 0, 0.25);
  transition: transform var(--duration-normal) var(--ease-in-out),
    border-color var(--duration-normal) var(--ease-in-out),
    box-shadow var(--duration-normal) var(--ease-in-out);
  text-decoration: none;
}

.platform-card:hover,
.platform-card:focus-within {
  transform: translateY(-8px);
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: 0 25px 45px rgba(0, 212, 255, 0.25);
}

.platform-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-3);
}

.platform-heading h3 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-size: var(--font-size-2xl);
}

.status {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: rgba(0, 212, 255, 0.18);
  color: var(--theme-primary-light);
}

.status.soon {
  background: rgba(255, 0, 110, 0.18);
  color: rgba(255, 255, 255, 0.75);
}

.platform-link {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}

.engagement {
  background: rgba(12, 16, 26, 0.7);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.engagement-steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.engagement-steps::before {
  content: "";
  position: absolute;
  top: 1.8rem;
  left: var(--space-6);
  right: var(--space-6);
  height: 1px;
  background: linear-gradient(90deg, rgba(0, 212, 255, 0.4), rgba(255, 0, 110, 0.3));
  z-index: 0;
}

.step {
  position: relative;
  z-index: 1;
  padding: var(--space-6);
  border-radius: var(--space-3);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(10, 14, 22, 0.78);
  box-shadow: 0 18px 35px rgba(0, 0, 0, 0.22);
}

.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: 1px solid rgba(0, 212, 255, 0.4);
  background: rgba(0, 212, 255, 0.12);
  color: var(--color-white);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  letter-spacing: 0.18em;
  margin-bottom: var(--space-4);
}

.legacy {
  background: linear-gradient(160deg, rgba(8, 11, 18, 0.85), rgba(14, 18, 26, 0.75));
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.legacy-grid {
  display: grid;
  gap: var(--space-10);
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
  align-items: start;
}

.legacy-text ul {
  list-style: none;
  padding: 0;
  margin: var(--space-5) 0 0;
  display: grid;
  gap: var(--space-3);
}

.legacy-text li {
  position: relative;
  padding-left: var(--space-5);
  color: rgba(255, 255, 255, 0.75);
}

.legacy-text li::before {
  content: "≋";
  position: absolute;
  left: 0;
  color: rgba(0, 212, 255, 0.7);
}

.legacy-signal {
  padding: var(--space-6);
  border-radius: var(--space-3);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(10, 14, 22, 0.82);
  box-shadow: 0 20px 36px rgba(0, 0, 0, 0.28);
  text-align: center;
}

.legacy-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 1.6rem;
  border-radius: 999px;
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: linear-gradient(120deg, rgba(0, 212, 255, 0.18), rgba(255, 0, 110, 0.18));
  margin-bottom: var(--space-4);
}

.contact {
  background: rgba(8, 11, 18, 0.75);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.contact-grid {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  align-items: center;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: flex-end;
}

.site-footer {
  padding: var(--space-8) 0 var(--space-12);
  background: rgba(6, 8, 12, 0.9);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
  text-align: center;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}

.footer-copy {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-sm);
}

[data-animate="reveal"] {
  --reveal-delay: 0s;
  opacity: 0;
  transform: translateY(40px) scale(0.98);
  transition: opacity 0.85s var(--ease-out) var(--reveal-delay),
    transform 0.85s var(--ease-out) var(--reveal-delay);
}

[data-animate="reveal"].is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-panels {
    grid-template-columns: 1fr;
  }

  .research-grid,
  .legacy-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .engagement-steps::before {
    display: none;
  }

  .contact-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 900px) {
  .primary-navigation {
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4) var(--space-5);
    background: rgba(8, 10, 16, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--space-3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity var(--duration-normal) var(--ease-in-out),
      transform var(--duration-normal) var(--ease-in-out);
  }

  .primary-navigation.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-cta {
    display: none;
  }
}

@media (max-width: 720px) {
  .hero {
    padding: var(--space-24) 0 var(--space-20);
    min-height: auto;
  }

  .hero-tags li {
    font-size: 0.7rem;
  }

  .capabilities-grid,
  .platform-grid {
    grid-template-columns: 1fr;
  }

  .engagement-steps {
    grid-template-columns: 1fr;
  }

  .step {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  [data-animate="reveal"] {
    opacity: 1;
    transform: none;
  }
}