:root {
  --bg: #090b10;
  --bg-soft: #10131a;
  --panel: rgba(255, 255, 255, 0.045);
  --panel-hover: rgba(255, 255, 255, 0.07);
  --text: #f4f6f8;
  --muted: #a7adb8;
  --line: rgba(255, 255, 255, 0.1);
  --accent: #dce6ff;
  --accent-dark: #10131a;
  --max: 1200px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(100, 120, 170, 0.13), transparent 32%),
    radial-gradient(circle at 10% 20%, rgba(120, 100, 170, 0.08), transparent 28%),
    var(--bg);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.6;
}

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

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

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5vw;
  background: rgba(9, 11, 16, 0.78);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand,
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 15px;
  background: rgba(255,255,255,0.06);
}

.navbar nav {
  display: flex;
  gap: 28px;
}

.navbar nav a,
.footer-links a {
  color: var(--muted);
  font-size: 14px;
  transition: color 0.2s ease;
}

.navbar nav a:hover,
.footer-links a:hover {
  color: var(--text);
}

.hero {
  max-width: var(--max);
  min-height: calc(100vh - 74px);
  margin: auto;
  padding: 90px 5vw;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 70px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 620px;
  font-size: clamp(4rem, 8vw, 7.8rem);
  line-height: 0.9;
  letter-spacing: -0.075em;
}

.hero p {
  max-width: 560px;
  margin-top: 28px;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 12px;
  border: 1px solid var(--line);
  font-size: 14px;
  font-weight: 700;
  transition:
    transform 0.2s ease,
    background 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--accent-dark);
  background: var(--accent);
}

.button-secondary {
  color: var(--text);
  background: rgba(255,255,255,0.035);
}

.hero-meta {
  display: flex;
  gap: 10px;
  margin-top: 26px;
  color: #7e8591;
  font-size: 13px;
}

.hero-image {
  position: relative;
}

.hero-image::before {
  content: "";
  position: absolute;
  inset: -20px;
  background: radial-gradient(
    circle,
    rgba(170, 190, 255, 0.15),
    transparent 65%
  );
  filter: blur(30px);
  z-index: -1;
}

.hero-image img {
  border-radius: 22px;
  border: 1px solid var(--line);
  box-shadow: 0 35px 80px rgba(0,0,0,0.42);
}

.section {
  max-width: var(--max);
  margin: auto;
  padding: 130px 5vw;
}

.section-heading {
  max-width: 700px;
  margin-bottom: 55px;
}

.section-heading h2,
.download-card h2 {
  font-size: clamp(2.6rem, 5vw, 4.7rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.section-heading p {
  margin-top: 20px;
  color: var(--muted);
  max-width: 600px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.feature-card {
  min-height: 230px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  transition:
    transform 0.2s ease,
    background 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  background: var(--panel-hover);
}

.feature-number {
  margin-bottom: 40px;
  color: #737b87;
  font-size: 12px;
  font-weight: 700;
}

.feature-card h3 {
  font-size: 20px;
  letter-spacing: -0.025em;
}

.feature-card p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.gallery-item {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
}

.gallery-wide {
  grid-column: 1 / -1;
}

.gallery-item img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.gallery-wide img {
  aspect-ratio: 16 / 8;
}

.gallery-item figcaption {
  padding: 16px 18px;
  color: var(--muted);
  font-size: 13px;
}

.download-section {
  max-width: var(--max);
  margin: auto;
  padding: 40px 5vw 130px;
}

.download-card {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 50px;
  align-items: center;
  padding: 60px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background:
    radial-gradient(circle at top right, rgba(150,170,220,0.12), transparent 45%),
    var(--bg-soft);
}

.download-card p {
  max-width: 600px;
  margin-top: 18px;
  color: var(--muted);
}

.download-info {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  margin-top: 35px;
}

.download-info div {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.download-info span {
  color: #6f7682;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.download-info strong {
  font-size: 14px;
}

.download-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.button-large {
  width: 100%;
  min-height: 54px;
}

footer {
  max-width: var(--max);
  margin: auto;
  padding: 30px 5vw 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
}

footer p {
  color: #767d89;
  font-size: 13px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

@media (max-width: 900px) {
  .navbar nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 70px;
  }

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

  .download-card {
    grid-template-columns: 1fr;
    padding: 40px;
  }

  footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 600px) {
  .hero {
    padding-left: 6vw;
    padding-right: 6vw;
  }

  .section,
  .download-section {
    padding-left: 6vw;
    padding-right: 6vw;
  }

  .hero h1 {
    font-size: 4rem;
  }

  .feature-grid,
  .gallery {
    grid-template-columns: 1fr;
  }

  .gallery-wide {
    grid-column: auto;
  }

  .gallery-wide img {
    aspect-ratio: 16 / 10;
  }

  .download-card {
    padding: 30px;
  }

  .footer-links {
    flex-wrap: wrap;
  }
}