:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #0f172a;
  background: #eef2f7;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 15% 0%, rgba(37, 99, 235, 0.12), transparent 32rem),
    radial-gradient(circle at 90% 18%, rgba(16, 185, 129, 0.1), transparent 28rem),
    #eef2f7;
}

a {
  color: inherit;
}

.site-shell {
  width: min(1120px, calc(100% - 40px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 28px 0 20px;
}

.site-header,
.hero,
.feature-card {
  border: 1px solid rgba(148, 163, 184, 0.28);
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: #0f172a;
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 13px;
  background: #2563eb;
  color: #fff;
}

.brand-mark svg {
  width: 29px;
  height: 29px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.4;
}

.environment-badge {
  padding: 6px 10px;
  border: 1px solid #bfdbfe;
  border-radius: 999px;
  color: #1d4ed8;
  background: #eff6ff;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.hero {
  position: relative;
  overflow: hidden;
  margin-top: 24px;
  padding: clamp(34px, 7vw, 78px);
  border-radius: 28px;
  background: #0f172a;
  color: #f8fafc;
}

.hero::after {
  position: absolute;
  right: -100px;
  bottom: -160px;
  width: 380px;
  height: 380px;
  border: 1px solid rgba(147, 197, 253, 0.25);
  border-radius: 50%;
  box-shadow: 0 0 0 36px rgba(147, 197, 253, 0.06), 0 0 0 72px rgba(147, 197, 253, 0.04);
  content: "";
}

.eyebrow {
  position: relative;
  z-index: 1;
  margin: 0 0 15px;
  color: #93c5fd;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
p {
  position: relative;
  z-index: 1;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.2rem, 6vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: -0.065em;
}

.hero-copy {
  max-width: 630px;
  margin: 24px 0 0;
  color: #cbd5e1;
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.65;
}

.hero-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 11px;
  font-size: 0.92rem;
  font-weight: 750;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

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

.button-primary {
  background: #2563eb;
  box-shadow: 0 9px 20px rgba(37, 99, 235, 0.3);
  color: #fff;
}

.button-primary:hover {
  background: #1d4ed8;
}

.button-secondary {
  border-color: #475569;
  color: #e2e8f0;
  background: rgba(15, 23, 42, 0.4);
}

.button-secondary:hover {
  background: rgba(51, 65, 85, 0.7);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 16px;
}

.feature-card {
  padding: 24px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
}

.feature-icon {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 10px;
  color: #2563eb;
  background: #dbeafe;
  font-size: 1.3rem;
  font-weight: 800;
}

.feature-card h2 {
  margin: 18px 0 8px;
  font-size: 1.08rem;
  letter-spacing: -0.02em;
}

.feature-card p {
  margin: 0;
  color: #64748b;
  font-size: 0.94rem;
  line-height: 1.6;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 4px 0;
  color: #64748b;
  font-size: 0.8rem;
}

@media (max-width: 720px) {
  .site-shell {
    width: min(100% - 24px, 560px);
    padding-top: 12px;
  }

  .site-header {
    padding: 11px 12px;
  }

  .brand {
    font-size: 1rem;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .hero {
    margin-top: 14px;
    padding: 32px 24px 36px;
    border-radius: 22px;
  }

  h1 {
    font-size: clamp(2.25rem, 13vw, 3.7rem);
  }

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

  .site-footer {
    flex-direction: column;
    padding-bottom: 8px;
  }
}