/* ==========================================================================
   ParkSystem POS - Unified Design System & Styling
   Theme: Sleek Dark Glassmorphism with Glowing Accents
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
  --bg-dark: #090d16;
  --bg-card: rgba(30, 41, 59, 0.45);
  --bg-card-hover: rgba(51, 65, 85, 0.65);
  --bg-glass-elevated: rgba(30, 41, 59, 0.75);
  
  --border-glass: rgba(255, 255, 255, 0.12);
  --border-glass-bright: rgba(255, 255, 255, 0.25);
  --border-accent: rgba(99, 102, 241, 0.4);

  --accent-cyan: #00f2fe;
  --accent-blue: #4facfe;
  --accent-indigo: #6366f1;
  --accent-violet: #8b5cf6;
  --accent-pink: #ec4899;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --gradient-primary: linear-gradient(135deg, var(--accent-indigo), var(--accent-violet));
  --gradient-cyan: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  --gradient-emerald: linear-gradient(135deg, var(--accent-emerald), #059669);
  --gradient-glow: radial-gradient(circle, rgba(99,102,241,0.18) 0%, rgba(9,13,22,0) 70%);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.25);
  
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Global */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: 'Inter', system-ui, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
  background: var(--bg-dark);
  min-height: 100vh;
  position: relative;
}

/* Ambient Ambient Glow Backdrop Canvas */
body::before {
  content: '';
  position: fixed;
  top: -20%;
  left: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
  z-index: -1;
  pointer-events: none;
  filter: blur(60px);
}

body::after {
  content: '';
  position: fixed;
  bottom: -20%;
  right: -10%;
  width: 65vw;
  height: 65vw;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.12) 0%, rgba(0, 0, 0, 0) 70%);
  z-index: -1;
  pointer-events: none;
  filter: blur(70px);
}

/* Typography Headings */
h1, h2, h3, h4, .brand-font {
  font-family: 'Outfit', sans-serif;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; line-height: 1.15; }
h2 { font-size: clamp(2rem, 3.5vw, 2.75rem); font-weight: 700; line-height: 1.25; }
h3 { font-size: 1.5rem; font-weight: 600; }

p { color: var(--text-secondary); font-size: 1.05rem; }

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: var(--transition-fast);
}
a:hover { color: var(--accent-blue); }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Gradient Text Effect */
.gradient-text {
  background: linear-gradient(135deg, #ffffff 30%, var(--accent-cyan) 70%, var(--accent-indigo) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Header & Navigation Bar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 76px;
  z-index: 1000;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(9, 13, 22, 0.7);
  border-bottom: 1px solid var(--border-glass);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: 'Outfit', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
}

.nav-brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.5);
  font-weight: 900;
  font-size: 1.2rem;
  color: white;
}

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

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--text-primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: var(--transition-fast);
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(99, 102, 241, 0.6);
}

.btn-glass {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-glass-bright);
  backdrop-filter: blur(12px);
}

.btn-glass:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* Glass Card Container */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-glass);
}

.glass-card:hover {
  border-color: var(--border-glass-bright);
  background: var(--bg-card-hover);
}

/* Hero Section */
.hero-section {
  padding: 140px 0 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-badge {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid var(--border-accent);
  color: var(--accent-cyan);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.hero-preview {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-glass-bright);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(99, 102, 241, 0.3);
}

.hero-preview img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
}

/* Feature Grid Section */
.features-section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 3.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.feature-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent-cyan);
}

/* Live Fee Calculator Interactive Widget */
.calculator-section {
  padding: 80px 0;
}

.calc-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-control {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-glass);
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  outline: none;
  transition: var(--transition-fast);
}

.form-control:focus {
  border-color: var(--accent-indigo);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.3);
}

.calc-result {
  background: rgba(15, 23, 42, 0.8);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  border: 1px solid var(--border-accent);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.calc-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
}

.calc-total {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-cyan);
  border-top: 1px solid var(--border-glass);
  padding-top: 1rem;
  margin-top: 0.5rem;
}

/* Accordion FAQ */
.faq-section {
  padding: 80px 0;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.faq-item {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  font-size: 1.1rem;
  cursor: pointer;
  user-select: none;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out, padding 0.35s ease-out;
  padding: 0 1.5rem;
  color: var(--text-secondary);
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 1.5rem 1.5rem;
}

.faq-toggle-icon {
  font-size: 1.4rem;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(45deg);
  color: var(--accent-cyan);
}

/* Content Pages (Terms / Privacy) */
.page-header {
  padding: 140px 0 40px;
  text-align: center;
}

.legal-content {
  max-width: 860px;
  margin: 0 auto 80px;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.legal-section {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.legal-section h3 {
  color: var(--accent-cyan);
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 0.5rem;
}

.legal-section ul {
  padding-left: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  color: var(--text-secondary);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-glass);
  padding: 60px 0 30px;
  background: rgba(9, 13, 22, 0.95);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-col h4 {
  color: var(--text-primary);
  font-size: 1.1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Mobile Responsive */
@media (max-width: 900px) {
  .hero-section, .calc-box {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .nav-links {
    display: none; /* Can be toggled with mobile menu */
  }
}