:root {
  --bg-dark: #141a22;
  --accent-blue: #27e8ff;
  --accent-cyan: #6fffd1;
  --accent-silver: #bde2ff;
  --text-main: #eafdff;
  --text-secondary: #8ac7e8;
  --glow: 0 0 20px #27e8ff77, 0 0 40px #6fffd177;
  --font-main: 'Poppins', 'Montserrat', 'Roboto', Arial, sans-serif;
}

body, html {
  margin: 0;
  padding: 0;
  font-family: var(--font-main);
  background: var(--bg-dark);
  color: var(--text-main);
  min-height: 100%;
}

/* Header/Navbar */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #191e2b;
  padding: 12px 32px;
  box-shadow: 0 2px 24px #27e8ff33;
  position: sticky;
  top: 0; z-index: 100;
}
.logo img {
  height: 48px;
  vertical-align: middle;
}
nav a {
  color: var(--accent-blue);
  margin: 0 16px;
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: color 0.18s;
}
nav a:hover, nav a.active {
  color: var(--accent-cyan);
  text-shadow: var(--glow);
}

/* Hero section */
.hero {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: linear-gradient(120deg, #141c29, #102844 95%);
  padding: 80px 20px 60px;
  position: relative;
  overflow: hidden;
}
.hero:before {
  content: "";
  position: absolute; left: 0; top: 0; width: 100%; height: 100%;
  background: radial-gradient(circle at 70% 30%, #27e8ff33 0, transparent 75%);
  opacity: 0.7;
  z-index: 0;
  animation: pulse-bg 6s infinite alternate;
}
@keyframes pulse-bg {
  from { opacity: 0.85; }
  to   { opacity: 0.3; }
}
.hero > * { z-index: 1; position: relative; }

.hero h1 {
  font-size: 2.6rem;
  margin-bottom: 12px;
  color: var(--accent-blue);
  text-shadow: var(--glow);
  font-weight: 700;
}
.hero p {
  font-size: 1.35rem;
  color: var(--accent-silver);
  max-width: 540px;
  text-align: center;
}
.cta-btn {
  margin-top: 32px;
  font-size: 1.05rem;
  background: var(--accent-blue);
  color: #fff;
  border: none;
  padding: 12px 32px;
  border-radius: 32px;
  box-shadow: 0 0 12px var(--accent-cyan), 0 0 1px #000;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.15s, box-shadow 0.15s;
}
.cta-btn:hover {
  background: var(--accent-cyan);
  color: #1d273a;
  box-shadow: var(--glow);
}

/* Cards & Feature Highlights */
.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 60px 24px;
}
.section-title {
  font-size: 2rem;
  letter-spacing: 0.3px;
  margin-bottom: 30px;
  color: var(--accent-cyan);
  text-align: center;
}
.cards {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: center;
}
.card {
  background: #182040;
  border-radius: 20px;
  box-shadow: 0 6px 36px #0ff3ffaa;
  padding: 36px 28px 32px;
  flex: 1 1 300px;
  max-width: 330px;
  margin-bottom: 28px;
  transition: box-shadow 0.18s, transform 0.15s;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.card:hover {
  box-shadow: 0 8px 48px #27e8ffbb;
  transform: translateY(-4px) scale(1.03);
}
.card-icon {
  font-size: 2.3rem;
  margin-bottom: 16px;
}

.card h3 {
  color: var(--accent-blue);
  margin: 10px 0 8px;
  font-size: 1.25rem;
}
.card p {
  color: var(--text-secondary);
  font-size: 1rem;
  min-height: 70px;
  text-align: center;
}
.learn-more {
  color: var(--accent-cyan);
  text-decoration: none;
  font-size: 1.01rem;
  font-weight: 600;
  margin-top: 14px;
  transition: color 0.16s;
}
.learn-more:hover {
  color: var(--accent-blue);
}

/* Footer */
footer {
  background: #161925;
  color: var(--text-secondary);
  padding: 26px 8px 12px;
  text-align: center;
  font-size: 1.04rem;
  border-top: 1px solid #222;
  position: relative;
}
.socials {
  margin-top: 10px;
  margin-bottom: 8px;
}
.socials a {
  display: inline-block;
  margin: 0 9px;
  vertical-align: middle;
  transition: transform 0.17s;
}
.socials img, .socials svg {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #232c3a;
  box-shadow: 0 2px 14px #27e8ff55;
  padding: 4px;
  transition: box-shadow 0.14s;
}
.socials a:hover img, .socials a:hover svg {
  box-shadow: 0 2px 18px #6fffd1aa;
  background: #233;
  transform: scale(1.07);
}

/* Responsive tweaks */
@media (max-width: 800px) {
  .cards { flex-direction: column; gap: 0; }
  .card { max-width: 96vw; }
}
@media (max-width: 540px) {
  .hero h1 { font-size: 2rem; }
  .section { padding: 34px 8px; }
}
