/* Google Fonts: Fredoka (playful), Roboto (clean) */
:root {
  --primary-bg: #101a2b;
  --secondary-bg: #182a4d;
  --primary-blue: #1e90ff;
  --accent-blue: #00e6e6;
  --text-light: #f3f3f3;
  --text-muted: #b0b8c9;
  --card-bg: #1a2336;
  --border-radius: 18px;
  --transition: 0.3s cubic-bezier(.4,2,.6,1);
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: 'Fredoka', 'Roboto', Arial, sans-serif;
  background: var(--primary-bg);
  color: var(--text-light);
  min-height: 100vh;
}
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--secondary-bg);
  padding: 1.2rem 2.5vw;
  box-shadow: 0 2px 12px rgba(0,0,0,0.12);
  position: sticky;
  top: 0;
  z-index: 100;
}
.logo {
  display: flex;
  align-items: center;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-blue);
  letter-spacing: 2px;
  gap: 0.7rem;
}

/* ✅ Updated this to make logo square */
.logo img {
  height: 2.5rem;
  width: 2.5rem;
  border-radius: 0; /* Square corners */
  background: var(--accent-blue);
  box-shadow: 0 2px 8px rgba(0,0,0,0.18);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
  margin: 0;
  padding: 0;
}
.nav-links li a {
  color: var(--text-light);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}
.nav-links li a::after {
  content: '';
  display: block;
  height: 2px;
  width: 0;
  background: var(--primary-blue);
  transition: width var(--transition);
  position: absolute;
  left: 0;
  bottom: -4px;
}
.nav-links li a:hover {
  color: var(--primary-blue);
}
.nav-links li a:hover::after {
  width: 100%;
}
.nav-toggle {
  display: none;
  font-size: 2rem;
  color: var(--primary-blue);
  cursor: pointer;
}
.hero {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding: 3rem 2vw 2rem 2vw;
  background: linear-gradient(120deg, var(--secondary-bg) 60%, var(--primary-bg) 100%);
  min-height: 60vh;
  border-radius: 0 0 var(--border-radius) var(--border-radius);
  box-shadow: 0 8px 32px rgba(30,144,255,0.08);
  margin-bottom: 2rem;
}
.hero-content {
  flex: 1 1 350px;
  z-index: 2;
}
.hero-content h1 {
  font-size: 2.7rem;
  margin: 0 0 1rem 0;
  font-weight: 700;
  letter-spacing: 1px