:root {
  --background: #0a0a0c;
  --card-bg: #13131a;
  --card-hover: #1b1b24;
  --foreground: #ffffff;
  --border: #22222a;
  --primary: #0066ff;
  --primary-glow: rgba(0, 102, 255, 0.4);
  --secondary: #1a1e28;
  --muted: #4b5563;
  --muted-foreground: #9ca3af;
  --success: #10b981;
  --warning: #f59e0b;
  --warning-glow: rgba(245, 158, 11, 0.3);
  --danger: #ef4444;
  --gradient-dark: linear-gradient(180deg, #0f0f15 0%, #050508 100%);
  --gradient-accent: linear-gradient(135deg, #0066ff 0%, #f59e0b 100%);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--background);
  color: var(--foreground);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #0a0a0c;
}
::-webkit-scrollbar-thumb {
  background: #252530;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #353545;
}

/* Header Nav */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 10, 12, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}

.navbar-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.2rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: white;
  font-weight: 700;
  font-size: 1.3rem;
}

.logo-img {
  height: 48px;
  width: 48px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 25%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: black;
  box-shadow: 0 0 10px rgba(0, 102, 255, 0.2);
}

.logo-icon {
  background: linear-gradient(135deg, var(--primary) 0%, var(--warning) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 1.6rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted-foreground);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
  color: white;
}

.nav-btn {
  background: var(--primary);
  color: white;
  text-decoration: none;
  padding: 0.6rem 1.2rem;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid transparent;
  box-shadow: 0 4px 15px var(--primary-glow);
  transition: all 0.3s;
}

.nav-btn:hover {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
  box-shadow: none;
}

/* Main Container spacing for fixed header */
main {
  padding-top: 5rem;
}

/* Helper Components */
.section-tag {
  color: var(--primary);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  font-weight: 700;
  margin-bottom: 0.5rem;
  display: inline-block;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 2rem;
  border-radius: 30px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s;
  border: 1px solid transparent;
}

.btn-main {
  background: var(--primary);
  color: white;
  box-shadow: 0 8px 25px var(--primary-glow);
}

.btn-main:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 102, 255, 0.6);
}

.btn-sub {
  background: transparent;
  color: white;
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-sub:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: white;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 4rem 1.5rem;
  background: #060608;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  color: white;
  text-decoration: none;
}

.footer-left p {
  font-size: 0.8rem;
  color: var(--muted-foreground);
}

.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.footer-links a {
  text-decoration: none;
  color: var(--muted-foreground);
  font-size: 0.85rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: white;
}

/* Form controls */
.form-group {
  margin-bottom: 1.5rem;
  text-align: left;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted-foreground);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-control {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.8rem 1rem;
  color: white;
  outline: none;
  font-family: inherit;
  transition: border-color 0.3s, background-color 0.3s;
}

.form-control:focus {
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.05);
}

/* Feature List */
.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--muted-foreground);
  font-size: 0.95rem;
}

.feature-list li svg {
  width: 20px;
  height: 20px;
  color: var(--success);
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.feature-list li strong {
  color: white;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
  .footer-links {
    flex-direction: column;
    gap: 1rem;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none; /* Mobile navigation toggle could be added if needed */
  }
}