:root {
  --bg: #0d1117;
  --bg-soft: #121824;
  --surface: #161f2e;
  --surface-hover: #1b2638;
  --line: rgba(255, 255, 255, 0.12);
  --text: #f7f9fd;
  --muted: #a8b3c7;
  --accent: #29d3a0;
  --accent-2: #0ea5e9;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: 'Space Grotesk', 'Segoe UI', sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% 10%, #172135 0%, var(--bg) 42%), var(--bg);
  position: relative;
  overflow-x: hidden;
}

.bg-gradient {
  position: fixed;
  inset: -20% auto auto -10%;
  width: 56rem;
  height: 56rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(41, 211, 160, 0.28) 0%, rgba(41, 211, 160, 0) 65%);
  filter: blur(30px);
  z-index: 0;
  pointer-events: none;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(circle at 50% 30%, black, transparent 75%);
  z-index: 0;
  pointer-events: none;
}

header,
main,
footer {
  position: relative;
  z-index: 1;
}

.header {
  width: min(1120px, 92vw);
  margin: 0 auto;
  padding: 1.4rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.nav-link {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  border: 1px solid var(--line);
  padding: 0.55rem 1rem;
  border-radius: 999px;
  transition: 0.2s ease;
}

.nav-link:hover {
  border-color: rgba(41, 211, 160, 0.6);
  color: var(--accent);
}

main {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.hero {
  padding: 4.5rem 0 3.25rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 1.2rem;
}

.headline {
  font-family: 'Sora', sans-serif;
  font-size: clamp(2rem, 6vw, 4.5rem);
  line-height: 1.05;
  max-width: 14ch;
  margin: 0 0 1.2rem;
}

.headline span {
  color: var(--accent-2);
}

.subtext {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.6;
}

.cta {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.85rem 1.3rem;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  transition: 0.25s ease;
}

.btn-primary {
  background: linear-gradient(120deg, var(--accent) 0%, #35f5ba 100%);
  color: #06281f;
  box-shadow: 0 10px 28px rgba(41, 211, 160, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(41, 211, 160, 0.5);
}

.btn-ghost {
  border: 1px solid var(--line);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: rgba(14, 165, 233, 0.7);
  color: var(--accent-2);
  background: rgba(14, 165, 233, 0.08);
}

.features {
  padding: 1rem 0 2.4rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  background: linear-gradient(145deg, var(--surface) 0%, #101724 100%);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.2rem;
  box-shadow: var(--shadow);
  transition: 0.25s ease;
}

.card:hover {
  transform: translateY(-4px);
  background: linear-gradient(145deg, var(--surface-hover) 0%, #121b2a 100%);
  border-color: rgba(41, 211, 160, 0.35);
}

.card h2 {
  margin-top: 0;
  margin-bottom: 0.7rem;
  font-family: 'Sora', sans-serif;
  font-size: 1.1rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.contact {
  margin: 1.2rem 0 3rem;
  padding: 2rem;
  border: 1px solid rgba(14, 165, 233, 0.35);
  border-radius: 18px;
  background: linear-gradient(130deg, rgba(14, 165, 233, 0.16), rgba(14, 165, 233, 0.05));
}

.contact h2 {
  font-family: 'Sora', sans-serif;
  margin-top: 0;
}

.contact p {
  color: #d0dbef;
  margin-bottom: 1.2rem;
}

.footer {
  width: min(1120px, 92vw);
  margin: 0 auto;
  padding: 0.5rem 0 2rem;
  color: #8a97af;
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  animation: rise 0.7s ease forwards;
}

.reveal:nth-child(2) {
  animation-delay: 0.08s;
}

.reveal:nth-child(3) {
  animation-delay: 0.16s;
}

.reveal:nth-child(4) {
  animation-delay: 0.24s;
}

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

@media (max-width: 900px) {
  .features {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 3rem;
  }

  .contact {
    padding: 1.2rem;
  }
}