:root {
  color-scheme: dark;
  color: #e6f7eb;
  background: #0d1214;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  background: radial-gradient(circle at top, rgba(57, 216, 124, 0.08), transparent 24%),
              linear-gradient(180deg, #0f1619 0%, #0b1013 100%);
  color: #d8f2d8;
}

.page-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 80px;
}

.hero {
  background: rgba(19, 32, 36, 0.85);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 28px;
  padding: 44px 42px;
  backdrop-filter: blur(16px);
}

.hero-card {
  display: flex;
  align-items: center;
  gap: 24px;
}

.hero-logo {
  width: 96px;
  height: 96px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  color: #8cff8f;
  font-size: 42px;
}

.hero-category {
  margin: 0 0 10px;
  color: #8cff8f;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.82rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(3rem, 5vw, 4.5rem);
  letter-spacing: -0.05em;
}

.hero-subtitle {
  margin: 18px 0 0;
  max-width: 620px;
  line-height: 1.85;
  color: #c7e9c5;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 36px;
}

.hero-links a {
  text-decoration: none;
  color: #a1ffae;
  border: 1px solid rgba(161,255,174,0.24);
  padding: 12px 20px;
  border-radius: 999px;
  transition: transform 180ms ease, background 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.hero-links a:hover,
.hero-links a:focus-visible {
  transform: translateY(-2px);
  background: rgba(161,255,174,0.12);
  box-shadow: 0 12px 28px rgba(33, 255, 147, 0.12);
}

.hero-links a:active {
  transform: translateY(0) scale(0.98);
}

.section-block {
  margin-top: 40px;
}

.section-block h2 {
  margin-bottom: 22px;
  font-size: 1.42rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #9ee4ad;
}

.cards {
  display: grid;
  gap: 18px;
}

.card, .list-card {
  background: rgba(10, 18, 20, 0.92);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 22px;
  padding: 24px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.14);
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.16rem;
}

.card p {
  margin: 0 0 12px;
  line-height: 1.75;
  color: #d7e6d6;
}

.tag {
  color: #8cff8f;
  font-size: 0.95rem;
}

.section-contact {
  margin-top: 56px;
}

.section-contact p {
  margin: 0 0 12px;
}

.contact-link a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #0b1911;
  background: #a1ffae;
  padding: 12px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.contact-link a:hover,
.contact-link a:focus-visible {
  transform: translateY(-2px);
  background: #8cff8f;
  box-shadow: 0 14px 32px rgba(32, 255, 139, 0.18);
}

.contact-link a:active {
  transform: translateY(0) scale(0.98);
}

@media (min-width: 720px) {
  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 32px 24px;
  }

  .hero-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-links {
    justify-content: start;
  }
}