:root {
  --color-bg: #0a0d12;
  --color-bg-alt: #131820;
  --color-border: #232b36;
  --color-text: #eef2f6;
  --color-muted: #8b96a3;
  --color-accent: #2dd4d4;
  --color-accent-soft: rgba(45, 212, 212, 0.25);
  --max-width: 960px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img {
  max-width: 100%;
  display: block;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Navbar */

.navbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: rgba(10, 13, 18, 0.75);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.navbar__brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
}

.navbar__logo {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.navbar__links {
  display: flex;
  gap: 1.75rem;
}

.navbar__links a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

.navbar__links a:hover {
  color: var(--color-text);
}

/* Hero */

.hero {
  position: relative;
  text-align: center;
  padding: 6rem 1.5rem 5rem;
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 20%, var(--color-accent-soft), transparent 65%);
  pointer-events: none;
}

.hero__eyebrow {
  position: relative;
  margin: 0 0 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-muted);
  opacity: 0.7;
}

.hero__logo {
  position: relative;
  max-width: 440px;
  width: 100%;
  margin: 0 auto 1.75rem;
  filter: drop-shadow(0 0 28px var(--color-accent-soft));
}

.hero__tagline {
  position: relative;
  margin: 0;
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.hero__subtitle {
  position: relative;
  max-width: 620px;
  margin: 1.1rem auto 0;
  color: var(--color-muted);
  font-size: 1.05rem;
}

.hero__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.9rem;
  margin-top: 2.25rem;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn--primary {
  background: var(--color-accent);
  color: #06181a;
}

.btn--primary:hover {
  transform: translateY(-1px);
  background: #4fe0e0;
}

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

.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Main / sections */

main {
  flex: 1;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
  display: grid;
  gap: 1.5rem;
}

.section {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 2rem clamp(1.25rem, 4vw, 2.5rem);
}

.section__kicker {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.25rem, 3vw, 1.6rem);
}

.section h3 {
  margin: 0 0 0.35rem;
  font-size: 1.1rem;
}

.section p {
  margin: 0;
  color: var(--color-muted);
  max-width: 60ch;
}

/* Product card */

.product-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
  padding: 1.25rem 1.5rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
}

.product-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
  white-space: nowrap;
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  transition: border-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.product-card__link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateX(2px);
}

.product-card__link .arrow {
  transition: transform 0.15s ease;
}

.product-card__link:hover .arrow {
  transform: translateX(3px);
}

/* Team */

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  margin-top: 0.5rem;
}

.team-card {
  padding: 1.5rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
}

.team-card h3 {
  margin: 0 0 0.35rem;
}

.team-card__role {
  display: block;
  color: var(--color-accent);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.team-card p {
  font-size: 0.9rem;
}

/* Footer */

.footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  padding: 2.5rem 1.5rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
}

.footer__logo {
  width: 22px;
  height: 22px;
  object-fit: contain;
}

.footer__links {
  display: flex;
  gap: 1.5rem;
}

.footer__links a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.footer__links a:hover {
  color: var(--color-text);
}

.footer__copy {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.85rem;
}

/* Responsive */

@media (max-width: 640px) {
  .navbar {
    padding: 0.85rem 1.25rem;
  }

  .navbar__links {
    gap: 1.1rem;
  }

  .navbar__links a {
    font-size: 0.85rem;
  }

  .navbar__brand span {
    display: none;
  }

  .hero {
    padding: 4rem 1.25rem 3rem;
  }

  .hero__logo {
    max-width: 92vw;
  }

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

  .product-card__link {
    width: 100%;
    justify-content: center;
  }

  .footer__links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    transition: none !important;
  }
}