* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
:root {
  --bg: #06070b;
  --panel: rgba(255, 255, 255, 0.05);
  --panel-strong: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.12);
  --text: #f4f6fb;
  --muted: rgba(244, 246, 251, 0.72);
  --soft: rgba(244, 246, 251, 0.45);
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top, rgba(86, 110, 255, 0.18), transparent 35%),
    linear-gradient(180deg, #0a0d14 0%, #06070b 100%);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.hero {
  min-height: 100vh;
  padding: 24px 24px 64px;
  display: flex;
  flex-direction: column;
}

.nav {
  width: min(1120px, 100%);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 8px 0;
}

.logo {
  font-size: 1.1rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  color: rgba(255,255,255,0.7);
}

.hero-content {
  width: min(1120px, 100%);
  margin: auto auto;
  padding-top: 64px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 12px;
}

h1 {
  max-width: 820px;
  font-size: clamp(2.5rem, 5vw, 4.8rem);
  line-height: 1.05;
  margin-bottom: 24px;
}

.hero-text,
.section-heading p {
  max-width: 760px;
  color: rgba(255,255,255,0.75);
  font-size: 1.02rem;
}

.section {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  padding: 90px 0;
}

.section-heading {
  margin-bottom: 36px;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
  margin-bottom: 14px;
}

.showcase-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 420px;
  padding-top: 30px;
}

@keyframes autoRun3d {
  from {
    transform: perspective(800px) rotateY(-360deg);
  }
  to {
    transform: perspective(800px) rotateY(0deg);
  }
}

@keyframes animateBrightness {
  10% {
    filter: brightness(1);
  }
  50% {
    filter: brightness(0.1);
  }
  90% {
    filter: brightness(1);
  }
}

.card-3d {
  position: relative;
  width: 400px;
  height: 200px;
  transform-style: preserve-3d;
  transform: perspective(800px);
  animation: autoRun3d 20s linear infinite;
  will-change: transform;
}

.card-3d div {
  position: absolute;
  width: 80px;
  height: 112px;
  background-color: rgb(199, 199, 199);
  border: solid 2px lightgray;
  border-radius: 0.5rem;
  top: 50%;
  left: 50%;
  transform-origin: center center;
  animation: animateBrightness 20s linear infinite;
  transition-duration: 200ms;
  will-change: transform, filter;
}

.card-3d:hover {
  animation-play-state: paused !important;
}

.card-3d:hover div {
  animation-play-state: paused !important;
}

.card-3d div:nth-child(1) {
  transform: translate(-50%, -50%) rotateY(0deg) translateZ(150px);
  animation-delay: -0s;
}

.card-3d div:nth-child(2) {
  transform: translate(-50%, -50%) rotateY(36deg) translateZ(150px);
  animation-delay: -2s;
}

.card-3d div:nth-child(3) {
  transform: translate(-50%, -50%) rotateY(72deg) translateZ(150px);
  animation-delay: -4s;
}

.card-3d div:nth-child(4) {
  transform: translate(-50%, -50%) rotateY(108deg) translateZ(150px);
  animation-delay: -6s;
}

.card-3d div:nth-child(5) {
  transform: translate(-50%, -50%) rotateY(144deg) translateZ(150px);
  animation-delay: -8s;
}

.card-3d div:nth-child(6) {
  transform: translate(-50%, -50%) rotateY(180deg) translateZ(150px);
  animation-delay: -10s;
}

.card-3d div:nth-child(7) {
  transform: translate(-50%, -50%) rotateY(216deg) translateZ(150px);
  animation-delay: -12s;
}

.card-3d div:nth-child(8) {
  transform: translate(-50%, -50%) rotateY(252deg) translateZ(150px);
  animation-delay: -14s;
}

.card-3d div:nth-child(9) {
  transform: translate(-50%, -50%) rotateY(288deg) translateZ(150px);
  animation-delay: -16s;
}

.card-3d div:nth-child(10) {
  transform: translate(-50%, -50%) rotateY(324deg) translateZ(150px);
  animation-delay: -18s;
}

.grid {
  display: grid;
  gap: 24px;
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  padding: 28px;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
}

.card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.card p {
  color: rgba(255,255,255,0.75);
}

@media (max-width: 900px) {
  .grid.three,
  .grid.two {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    gap: 14px;
  }
}