:root {
  --bg1: #4f8dfd;
  --bg2: #56d8b2;
  --bg3: #0f1216;
  --text: #e8edf2;
  --muted: #b7c0cc;
  --accent: #56d8b2;
  --surface: rgba(21, 26, 33, 0.8);
  --border: #263042;
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(270deg, var(--bg1), var(--bg2), var(--bg3));
  background-size: 600% 600%;
  animation: gradientShift 20s ease infinite;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* Center orb */
.orb {
  position: fixed;
  left: 50%;
  top: 50%;
  width: 240px;
  height: 240px;
  margin-left: -120px;
  margin-top: -120px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.02) 40%);
  filter: blur(30px) saturate(120%);
  mix-blend-mode: overlay;
  pointer-events: none;
  z-index: 0;
  transition: transform 0.12s linear;
}

/* Layout */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

header {
  position: sticky;
  top: 0;
  background: var(--surface);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand {
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 18px;
  font-weight: 600;
}

.nav-links a:hover {
  color: var(--accent);
}

/* Main content - grows to push footer down */
main {
  flex: 1;
  position: relative;
  z-index: 1;
}

/* Hero section */
.hero {
  padding: 80px 0;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.18);
  color: var(--muted);
  font-weight: 700;
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(28px, 4vw, 44px);
  margin: 12px 0;
}

p.lead {
  max-width: 760px;
  margin: 0 auto 26px;
  color: var(--muted);
  line-height: 1.6;
}

/* Buttons */
.cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.actions {
  display: flex;
  gap: 12px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
}

.btn-primary {
  background: linear-gradient(135deg, #4f8dfd, #7aa8ff);
  color: white;
  border: none;
}

.btn-secondary {
  background: rgba(15, 18, 22, 0.65);
  color: var(--text);
  border: 1px solid var(--border);
}

/* Sections */
section {
  padding: 60px 0;
}

h2 {
  font-size: 26px;
  margin-bottom: 10px;
}

.card {
  background: rgba(15, 18, 22, 0.7);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 18px;
  color: var(--muted);
  align-items: center;
}

.card ul {
  color: var(--muted);
  margin-top: 8px;
}

/* Footer - stays at bottom */
footer {
  padding: 30px 0;
  text-align: center;
  color: var(--muted);
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.06);
  position: relative;
  z-index: 1;
  margin-top: auto;
}

a.link {
  color: var(--accent);
  text-decoration: none;
}