:root {
  --bg: #0a0f1d;
  --bg-alt: #11182b;
  --surface: #161f36;
  --surface-2: #1b2643;
  --text: #e9eefb;
  --muted: #b2bde0;
  --accent: #4e8dff;
  --accent-2: #8b5cf6;
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Inter, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 80% 0%, rgba(78, 141, 255, 0.16), transparent 40%),
    radial-gradient(circle at 10% 20%, rgba(139, 92, 246, 0.18), transparent 35%),
    var(--bg);
  line-height: 1.65;
}

.container {
  width: min(980px, 92%);
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 15, 29, 0.76);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-family: Poppins, sans-serif;
  font-weight: 700;
  font-size: 1.3rem;
  text-decoration: none;
  color: var(--text);
}

.brand span {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  color: transparent;
}

.nav-actions {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.72rem 1.05rem;
  border-radius: 12px;
  border: 1px solid transparent;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.btn-primary {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 10px 24px rgba(78, 141, 255, 0.35);
}

.btn-outline {
  border-color: var(--border);
  color: var(--text);
  background: transparent;
}

.hero {
  padding: 4.5rem 0 2rem;
}

.kicker {
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  font-family: Poppins, sans-serif;
  line-height: 1.2;
}

h1 {
  margin-top: 0.8rem;
  font-size: clamp(2rem, 3.6vw, 3rem);
}

.hero p {
  margin-top: 1rem;
  color: var(--muted);
  max-width: 68ch;
}

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

.details-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 2rem 0 1.2rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.15rem;
  box-shadow: var(--shadow);
}

.card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.55rem;
}

.card p,
.card li {
  color: var(--muted);
}

ul {
  list-style: none;
}

li {
  margin: 0.45rem 0;
}

li i {
  color: var(--accent);
  margin-right: 0.45rem;
}

.section {
  padding: 1.4rem 0;
}

.section h2 {
  margin-bottom: 0.85rem;
  font-size: clamp(1.4rem, 2.6vw, 2rem);
}

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

.cta {
  margin: 2.1rem 0 3.4rem;
  padding: 1.4rem;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: linear-gradient(130deg, rgba(78, 141, 255, 0.18), rgba(139, 92, 246, 0.2));
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.cta p {
  color: var(--muted);
}

@media (max-width: 860px) {
  .details-grid,
  .deliverables {
    grid-template-columns: 1fr;
  }

  .topbar-inner {
    min-height: 64px;
  }

  .hero {
    padding-top: 3.5rem;
  }
}