:root {
  --bg: #08111f;
  --bg-soft: #0f1b2d;
  --panel: rgba(15, 27, 45, 0.88);
  --panel-strong: #13233a;
  --text: #f5f7fb;
  --muted: #9aa8be;
  --line: rgba(154, 168, 190, 0.18);
  --accent: #69e2c2;
  --accent-strong: #2ec9a0;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius: 20px;
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top, rgba(46, 201, 160, 0.12), transparent 32%),
    linear-gradient(180deg, #09111d 0%, #050b14 100%);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.container {
  width: min(100% - 2rem, var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(8, 17, 31, 0.82);
  border-bottom: 1px solid var(--line);
}

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.logo {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.logo span,
.site-footer a,
.eyebrow {
  color: var(--accent);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.95rem;
}

.site-nav a:hover,
.site-footer a:hover {
  color: var(--text);
}

.hero {
  padding: 5rem 0 3rem;
}

.hero-grid,
.about {
  display: grid;
  gap: 1.5rem;
}

.hero-copy h1,
.section-heading h2 {
  margin: 0;
  line-height: 1.1;
}

.hero-copy h1 {
  font-size: clamp(2.4rem, 7vw, 4.8rem);
  max-width: 11ch;
}

.hero-text,
.card p,
.about p,
.footer-inner p {
  color: var(--muted);
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.85rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--accent);
  color: #041019;
}

.button-primary:hover {
  background: var(--accent-strong);
}

.button-secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.hero-panel,
.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 1.5rem;
}

.panel-label {
  margin: 0 0 1rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
}

.hero-list {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.85rem;
}

.section {
  padding: 3rem 0;
}

.section-alt {
  padding-bottom: 4.5rem;
}

.section-heading {
  margin-bottom: 1.5rem;
  max-width: 42rem;
}

.cards {
  display: grid;
  gap: 1rem;
}

.card {
  padding: 1.5rem;
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
}

.about {
  align-items: start;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(19, 35, 58, 0.85), rgba(8, 17, 31, 0.88));
  padding: 1.75rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(5, 11, 20, 0.92);
}

@media (min-width: 720px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.9fr);
    align-items: center;
  }

  .cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .about {
    grid-template-columns: 0.95fr 1.1fr;
    gap: 2rem;
    padding: 2rem;
  }
}

@media (max-width: 640px) {
  .header-inner,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    padding-top: 4rem;
  }
}