:root {
  --bg: #020617;
  --card: #020617;
  --border: #1f2937;
  --accent: #4f46e5;
  --accent-soft: rgba(79, 70, 229, 0.12);
  --text: #f9fafb;
  --muted: #9ca3af;
  --radius-lg: 18px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    Inter, Segoe UI, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, #111827, var(--bg) 50%);
}

body {
  min-height: 100vh;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: linear-gradient(
    to bottom,
    rgba(2, 6, 23, 0.96),
    rgba(2, 6, 23, 0.7),
    transparent
  );
  border-bottom: 1px solid rgba(31, 41, 55, 0.8);
}

.nav-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.logo {
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.9rem;
}

.nav-links {
  display: flex;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.nav-links a {
  text-decoration: none;
  color: inherit;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
}

.nav-links a:hover {
  background: rgba(55, 65, 81, 0.7);
  color: var(--text);
}

/* Sections */
.hero,
.section {
  padding: 3.5rem 1.5rem;
}

.hero-inner,
.section-inner,
.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.hero-inner {
  max-width: 780px;
}

.hero-inner h1 {
  font-size: clamp(2rem, 3vw + 1rem, 3rem);
  line-height: 1.1;
  margin-bottom: 0.9rem;
}

.accent {
  background: linear-gradient(120deg, #a855f7, #4f46e5, #22d3ee);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  color: var(--muted);
  max-width: 34rem;
  font-size: 0.98rem;
}

/* Cards */
.section-inner {
  background: rgba(15, 23, 42, 0.9);
  border-radius: 28px;
  border: 1px solid rgba(31, 41, 55, 0.9);
  padding: 2.3rem 1.7rem;
}

.section-inner h2 {
  margin-top: 0;
  margin-bottom: 0.7rem;
  font-size: 1.6rem;
}

.products-grid {
  display: grid;
  gap: 1.3rem;
  margin-top: 1.3rem;
}

.product-card {
  background: radial-gradient(circle at top, var(--accent-soft), var(--card));
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 1.3rem 1.2rem;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.95rem;
}

.product-card:hover {
  border-color: rgba(129, 140, 248, 0.9);
}

.product-card.upcoming {
  opacity: 0.95;
}

.product-card h3 {
  margin: 0;
  font-size: 1.1rem;
}

.tag {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.desc {
  margin: 0.2rem 0 0.4rem;
  color: var(--muted);
}

.link-arrow {
  margin-top: 0.3rem;
  font-size: 0.86rem;
  color: #c7d2fe;
}

.about-text {
  margin: 0.4rem 0 0;
  color: var(--muted);
  font-size: 0.96rem;
}

/* Footer */
.footer {
  padding: 2.5rem 1.5rem 2rem;
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  border-top: 1px solid rgba(31, 41, 55, 0.9);
  padding-top: 1.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 0.9rem;
}

.footer a {
  text-decoration: none;
  color: var(--muted);
}

/* Responsive */
@media (max-width: 720px) {
  .hero,
  .section {
    padding-inline: 1.1rem;
  }
  .section-inner {
    padding-inline: 1.3rem;
  }
}