/* 1. VARIABLES & RESET */
:root {
  --bg: #07121c;
  --card: #0f2233;
  --accent: #00c6ff;
  --accent2: #0072ff;
  --text: #ffffff;
  --glass: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.08);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}

body {
  background: radial-gradient(circle at top, #0d2a44, #07121c);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* 2. NAVIGATION (Shared) */
.navbar {
  position: fixed;
  width: 100%;
  padding: 15px 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(5, 15, 25, 0.8);
  backdrop-filter: blur(15px);
  z-index: 1000;
  border-bottom: 1px solid var(--border);
}

.logo { font-weight: 600; color: var(--accent); font-size: 1.2rem; }

.sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: 280px;
  height: 100%;
  background: #081826;
  padding: 30px 20px;
  z-index: 2000;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.sidebar.active { transform: translateX(0); }

.sidebar a {
  display: block;
  padding: 15px;
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
  transition: 0.3s;
}

.sidebar a:hover { background: var(--glass); color: var(--accent); }

/* 3. REUSABLE LAYOUT COMPONENTS */
.section {
  padding: 80px 10% 40px;
  text-align: center;
}

.sub-hero {
  padding: 140px 20px 80px;
  text-align: center;
  background: linear-gradient(rgba(7, 18, 28, 0.8), rgba(7, 18, 28, 0.9)), 
              url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?q=80&w=2070');
  background-size: cover;
  background-position: center;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
  margin-top: 40px;
}

.card {
  background: var(--glass);
  backdrop-filter: blur(12px);
  padding: 30px;
  border-radius: 15px;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-10px);
  border-color: var(--accent);
  box-shadow: 0 10px 30px rgba(0, 198, 255, 0.2);
}

.card i {
  font-size: 2.5rem;
  margin-bottom: 20px;
  background: linear-gradient(45deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* 4. FORMS & BUTTONS */
.form-container {
  max-width: 600px;
  margin: 0 auto;
  background: var(--card);
  padding: 40px;
  border-radius: 20px;
  border: 1px solid var(--border);
}

.form-group { margin-bottom: 20px; text-align: left; }

.form-group label { display: block; margin-bottom: 8px; font-size: 0.9rem; }

input, select, textarea {
  width: 100%;
  padding: 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: white;
  outline: none;
}

input:focus { border-color: var(--accent); }

.btn {
  padding: 12px 25px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  transition: 0.3s;
}

.primary {
  background: linear-gradient(45deg, var(--accent), var(--accent2));
  color: white;
}

.btn:hover { opacity: 0.9; transform: scale(1.02); }

/* 5. ANIMATIONS */
@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

.pulse-icon { animation: pulse 3s infinite ease-in-out; }

.fade {
  animation: fadeIn 0.8s ease-out forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 6. MOBILE RESPONSIVENESS */
@media (max-width: 768px) {
  .section { padding: 60px 20px; }
  .grid { grid-template-columns: 1fr; }
  .sub-hero h1 { font-size: 2rem; }
}