:root {
  --bg: #0b0b0b;
  --bg-soft: #121212;
  --text: #f4f7f5;
  --muted: #9eaaa6;
  --accent: #00a884;
  --accent-strong: #00c79c;
  --border: #1f2a27;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: radial-gradient(circle at 20% -10%, rgba(0, 168, 132, 0.15), transparent 45%),
    radial-gradient(circle at 90% 10%, rgba(0, 168, 132, 0.1), transparent 40%), var(--bg);
  color: var(--text);
  font-family: "Manrope", "Segoe UI", sans-serif;
  line-height: 1.5;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

.bg-glow {
  position: fixed;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 168, 132, 0.24), rgba(0, 168, 132, 0));
  pointer-events: none;
  filter: blur(8px);
  z-index: -1;
}

.bg-glow--top {
  top: -180px;
  right: -140px;
}

.bg-glow--bottom {
  bottom: -220px;
  left: -160px;
}

main {
  width: min(1100px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 4rem 0 3rem;
}

.hero {
  text-align: center;
  padding: 4rem 1.25rem;
  background: linear-gradient(160deg, rgba(18, 18, 18, 0.94), rgba(11, 11, 11, 0.98));
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
  animation: heroRise 0.7s ease-out both;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 0.9rem;
  color: var(--accent);
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(2.3rem, 6vw, 4rem);
  letter-spacing: -0.03em;
  font-weight: 800;
}

.tagline {
  margin: 1.1rem auto 0;
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(1rem, 2.4vw, 1.3rem);
}

.cta {
  margin-top: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.6rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #03221b;
  text-decoration: none;
  font-weight: 800;
  box-shadow: 0 8px 24px rgba(0, 168, 132, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta:hover,
.cta:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 168, 132, 0.45);
}

.features {
  margin-top: 3.2rem;
}

.section-header {
  max-width: 700px;
}

.section-header h2 {
  margin: 0;
  font-size: clamp(1.4rem, 3.6vw, 2.1rem);
  letter-spacing: -0.01em;
}

.section-header p {
  margin: 0.8rem 0 0;
  color: var(--muted);
}

.feature-grid {
  margin-top: 1.6rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.feature-card {
  background: linear-gradient(165deg, rgba(16, 16, 16, 0.9), rgba(20, 20, 20, 0.96));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.1rem 1rem;
  animation: cardIn 0.5s ease-out both;
}

.feature-card:nth-child(2) {
  animation-delay: 0.05s;
}

.feature-card:nth-child(3) {
  animation-delay: 0.1s;
}

.feature-card:nth-child(4) {
  animation-delay: 0.15s;
}

.feature-card:nth-child(5) {
  animation-delay: 0.2s;
}

.feature-card:nth-child(6) {
  animation-delay: 0.25s;
}

.feature-card:nth-child(7) {
  animation-delay: 0.3s;
}

.feature-card h3 {
  margin: 0;
  font-size: 1.02rem;
}

.feature-card p {
  margin: 0.6rem 0 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.site-footer {
  width: min(1100px, calc(100% - 2.5rem));
  margin: 1.8rem auto 2rem;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1rem;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  text-decoration: underline;
}

@media (max-width: 900px) {
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  main {
    width: min(1100px, calc(100% - 1.3rem));
    padding-top: 1.5rem;
  }

  .hero {
    text-align: left;
    padding: 2rem 1rem;
  }

  .tagline {
    margin-left: 0;
    margin-right: 0;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .site-footer {
    width: min(1100px, calc(100% - 1.3rem));
    margin-top: 1.2rem;
    margin-bottom: 1.2rem;
  }
}

@keyframes heroRise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes cardIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}
