:root {
  --bg: #0c1016;
  --bg-alt: #121926;
  --text: #e8f0ff;
  --muted: #9ab1c7;
  --accent: #39d7b9;
  --accent-strong: #00a8ff;
  --surface: rgba(18, 25, 38, 0.78);
  --card-border: rgba(255, 255, 255, 0.08);
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.25);
}

:root[data-theme="light"] {
  --bg: #f3f8ff;
  --bg-alt: #e8f0fb;
  --text: #0c1a2b;
  --muted: #3a526b;
  --accent: #007d72;
  --accent-strong: #0064b2;
  --surface: rgba(255, 255, 255, 0.82);
  --card-border: rgba(12, 26, 43, 0.1);
  --shadow: 0 16px 34px rgba(0, 64, 109, 0.18);
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 800px at 82% -6%, rgba(57, 215, 185, 0.24), transparent 55%),
    radial-gradient(900px 500px at 12% 0%, rgba(0, 168, 255, 0.18), transparent 60%),
    linear-gradient(170deg, var(--bg), var(--bg-alt));
  line-height: 1.5;
  position: relative;
  overflow-x: hidden;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.08;
  background-image: radial-gradient(circle at 20% 20%, #fff 0.6px, transparent 1px);
  background-size: 4px 4px;
}

.topbar,
main,
.footer {
  width: min(1080px, 92vw);
  margin-inline: auto;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.4rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  text-decoration: none;
  font-family: "Sora", sans-serif;
  letter-spacing: 0.08em;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 0.5rem;
  background: linear-gradient(140deg, var(--accent), var(--accent-strong));
  color: #fff;
  font-weight: 700;
  font-size: 0.78rem;
}

.brand-text {
  font-size: 0.9rem;
  font-weight: 700;
}

.controls {
  display: flex;
  gap: 0.6rem;
}

.chip,
.button {
  font-family: "Space Grotesk", sans-serif;
  border: 1px solid var(--card-border);
  background: var(--surface);
  color: var(--text);
  transition: transform 200ms ease, border-color 200ms ease, background 200ms ease;
}

.chip {
  border-radius: 999px;
  padding: 0.5rem 0.9rem;
  font-size: 0.85rem;
  cursor: pointer;
}

.chip:hover,
.button:hover {
  transform: translateY(-2px);
  border-color: color-mix(in oklab, var(--accent) 42%, white 12%);
}

.hero {
  margin-top: 4.6rem;
  max-width: 760px;
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  font-size: 0.76rem;
  letter-spacing: 0.2em;
  margin-bottom: 0.8rem;
}

h1 {
  margin: 0;
  font-family: "Sora", sans-serif;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.08;
}

.lead {
  color: var(--muted);
  max-width: 62ch;
  margin-top: 1.2rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.7rem;
}

.button {
  text-decoration: none;
  border-radius: 0.8rem;
  padding: 0.72rem 1.05rem;
  font-size: 0.94rem;
}

.button.primary {
  border: none;
  color: #fff;
  background: linear-gradient(130deg, var(--accent), var(--accent-strong));
}

.button.ghost {
  backdrop-filter: blur(8px);
}

.cards {
  margin-top: 4rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--card-border);
  border-radius: 1rem;
  padding: 1.3rem;
  box-shadow: var(--shadow);
}

.card h2 {
  margin: 0;
  font-family: "Sora", sans-serif;
  font-size: 1.1rem;
}

.card p {
  margin-top: 0.7rem;
  color: var(--muted);
}

.contact {
  margin-top: 4.4rem;
  padding: 1.4rem;
  border: 1px solid var(--card-border);
  border-radius: 1rem;
  background: var(--surface);
}

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

.contact p {
  margin: 0.6rem 0;
  color: var(--muted);
}

.contact-link {
  color: var(--accent-strong);
  font-weight: 600;
  text-decoration: none;
}

.footer {
  margin: 3.2rem auto 2.6rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  animation: rise 700ms cubic-bezier(0.2, 0.7, 0, 1) forwards;
}

.cards.reveal {
  animation-delay: 140ms;
}

.contact.reveal {
  animation-delay: 240ms;
}

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

@media (max-width: 880px) {
  .cards {
    grid-template-columns: 1fr;
  }

  .hero {
    margin-top: 2.4rem;
  }
}

@media (max-width: 560px) {
  .topbar {
    flex-direction: column;
    gap: 0.8rem;
    align-items: flex-start;
  }

  .hero-cta {
    width: 100%;
  }

  .button {
    flex: 1;
    text-align: center;
  }
}