:root {
  --bg: #0a1117;
  --bg-soft: rgba(15, 25, 34, 0.82);
  --line: rgba(110, 168, 214, 0.18);
  --text: #edf5fb;
  --muted: #adc0d0;
  --accent: #86c7ff;
  --accent-strong: #4c93cf;
  --warm: #cfe3f6;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Manrope", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(134, 199, 255, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(207, 227, 246, 0.12), transparent 20%),
    linear-gradient(180deg, #081018 0%, #0a1117 46%, #0f1820 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(134, 199, 255, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 90%);
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.topbar,
.hero,
.section,
.footer {
  animation: fade-up 0.8s ease both;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 8px 0 30px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #08131c;
  font-family: "Sora", sans-serif;
  font-size: 0.94rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-copy strong,
.nav a,
.button,
h1,
h2,
h3 {
  font-family: "Sora", sans-serif;
}

.brand-copy strong {
  font-size: 1rem;
}

.brand-copy span {
  color: var(--muted);
  font-size: 0.88rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.94rem;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
}

.hero-copy,
.hero-panel,
.section,
.footer {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(13, 22, 30, 0.92), rgba(10, 17, 23, 0.95));
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  border-radius: 28px;
  padding: 34px;
}

.hero-panel {
  display: grid;
  gap: 16px;
  align-content: start;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.74rem;
  font-weight: 700;
}

h1 {
  margin: 0;
  max-width: 12ch;
  font-size: clamp(2.7rem, 5vw, 4.9rem);
  line-height: 0.98;
}

.lead,
.section-heading p,
.info-card p,
.comparison p,
.focus-card p,
.footer p,
.use-card p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.72;
}

.lead {
  max-width: 62ch;
  margin: 22px 0 0;
  font-size: 1.08rem;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-actions {
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #08131c;
}

.button-secondary {
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.03);
}

.focus-card,
.info-card,
.comparison article,
.use-card {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 22px;
  background: var(--bg-soft);
}

.focus-card,
.info-card,
.comparison article,
.use-card {
  padding: 22px;
}

.focus-card h2,
.section-heading h2,
.footer h2,
.info-card h3,
.comparison h3,
.use-card h3 {
  margin: 0 0 10px;
}

.focus-card h2 {
  font-size: 1.28rem;
}

.card-label,
.use-index {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--warm);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.76rem;
  font-weight: 700;
}

.section {
  margin-top: 28px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 24px;
}

.section-heading.narrow {
  max-width: 700px;
}

.section-heading h2,
.footer h2 {
  font-size: clamp(1.9rem, 3vw, 3rem);
}

.grid {
  display: grid;
  gap: 16px;
}

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

.section-contrast {
  background:
    radial-gradient(circle at top right, rgba(134, 199, 255, 0.16), transparent 30%),
    linear-gradient(180deg, rgba(16, 27, 37, 0.96), rgba(10, 17, 23, 0.98));
}

.comparison,
.uses {
  display: grid;
  gap: 16px;
}

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

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

.footer {
  margin-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
}

.footer-copy {
  max-width: 760px;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1024px) {
  .hero,
  .grid.three,
  .comparison,
  .uses {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: 14ch;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100% - 20px, 1180px);
    padding-top: 18px;
  }

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

  .hero-copy,
  .hero-panel,
  .section,
  .footer {
    padding: 24px;
    border-radius: 22px;
  }

  h1 {
    max-width: none;
    font-size: clamp(2.25rem, 11vw, 3.7rem);
  }
}