:root {
  color-scheme: dark;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  background: #05060c;
  color: #edf2ff;
  --surface: rgba(18, 23, 45, 0.95);
  --surface-strong: rgba(10, 13, 27, 0.95);
  --border: rgba(255, 255, 255, 0.08);
  --accent: #7f9cf5;
  --accent-soft: rgba(127, 156, 245, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top left, rgba(127, 156, 245, 0.16), transparent 24%),
    radial-gradient(circle at bottom right, rgba(110, 231, 183, 0.12), transparent 22%),
    #05060c;
}

img {
  max-width: 100%;
  display: block;
}

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

.page-wrapper {
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.5rem;
}

.hero {
  display: grid;
  gap: 2rem;
  align-items: center;
  min-height: calc(100vh - 3rem);
  padding: 2rem 0;
}

.hero-copy {
  max-width: 540px;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1 {
  margin: 0 0 1.2rem;
  font-size: clamp(2.7rem, 4vw, 4.5rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

p {
  margin: 0;
  color: #c8d2ff;
}

.btn {
  display: inline-flex;
  margin-top: 1.75rem;
  padding: 1rem 1.6rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #7f9cf5, #70e3b1);
  color: #06101f;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(127, 156, 245, 0.16);
}

.btn-secondary {
  background: transparent;
  border: 1px solid rgba(127, 156, 245, 0.55);
  color: #edf2ff;
}

.hero-preview {
  display: grid;
  place-items: center;
}

.carousel {
  width: min(100%, 580px);
  aspect-ratio: 4 / 3;
  border: 1px solid var(--border);
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(13, 19, 46, 0.95), rgba(7, 10, 24, 0.9));
  padding: 1.2rem;
  position: relative;
  overflow: hidden;
}

.carousel input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.slides {
  width: 300%;
  height: 100%;
  display: flex;
  transition: transform 0.8s ease;
}

.slide {
  width: 100%;
  flex-shrink: 0;
  border-radius: 24px;
  padding: 2rem;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 1rem;
  position: relative;
}

.slide::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 24px;
  opacity: 0.18;
  pointer-events: none;
}

.slide-1 {
  background: linear-gradient(135deg, rgba(127, 156, 245, 0.18), rgba(15, 20, 40, 0.9));
}

.slide-2 {
  background: linear-gradient(135deg, rgba(110, 231, 183, 0.18), rgba(13, 17, 37, 0.95));
}

.slide-3 {
  background: linear-gradient(135deg, rgba(255, 189, 113, 0.16), rgba(12, 16, 34, 0.92));
}

.slide-copy {
  position: relative;
  z-index: 1;
}

.slide span {
  display: inline-flex;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.slide h2 {
  margin: 1rem 0 0.8rem;
  font-size: clamp(1.8rem, 2.5vw, 2.5rem);
}

.slide p {
  color: #d6dbff;
  max-width: 29rem;
}

.controls {
  position: absolute;
  bottom: 1.2rem;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  gap: 0.9rem;
  z-index: 2;
}

.controls label {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.15);
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

.controls label:hover,
.controls label:focus-visible {
  transform: scale(1.1);
  background: rgba(127, 156, 245, 0.9);
}

#slide1:checked ~ .slides {
  transform: translateX(0%);
}

#slide2:checked ~ .slides {
  transform: translateX(-33.3333%);
}

#slide3:checked ~ .slides {
  transform: translateX(-66.6666%);
}

#slide1:checked ~ .controls label:nth-of-type(1),
#slide2:checked ~ .controls label:nth-of-type(2),
#slide3:checked ~ .controls label:nth-of-type(3) {
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(127, 156, 245, 0.1);
}

.section {
  padding: 4rem 0;
}

.section-copy {
  max-width: 720px;
}

.about {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.features {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 2rem;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.12);
}

.feature-card h3 {
  margin-top: 0;
}

.feature-card p {
  margin: 1rem 0 0;
  color: #c2c7e6;
}

.contact {
  display: grid;
  gap: 1.5rem;
}

.site-footer {
  padding: 2rem 0 1rem;
  border-top: 1px solid var(--border);
  text-align: center;
  color: #7b85b8;
}

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

  .features {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 680px) {
  .page-wrapper {
    padding: 1rem;
  }

  .features {
    grid-template-columns: 1fr;
  }

  .carousel {
    aspect-ratio: auto;
  }

  .slide {
    padding: 1.4rem;
  }

  .controls {
    gap: 0.7rem;
  }
}