/* Kushi Cabs Website - Global Stylesheet */
/* WCAG 2.1 Compliant & Google Play Store Requirements */

:root {
  --primary-color: #FF6B35;
  --secondary-color: #004E89;
  --accent-color: #00A8E8;
  --success-color: #06D6A0;
  --danger-color: #EF476F;
  --warning-color: #FFD166;
  --dark-bg: #1a1a1a;
  --light-bg: #f8f9fa;
  --text-dark: #333333;
  --text-light: #666666;
  --border-color: #e0e0e0;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.2);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: #ffffff;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

h1 {
  font-size: 3.5rem;
  letter-spacing: -0.5px;
}

h2 {
  font-size: 2.5rem;
  letter-spacing: -0.3px;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.35rem;
}

p {
  margin-bottom: 1rem;
  color: var(--text-light);
  line-height: 1.8;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--secondary-color);
}

/* Accessibility */
focus:visible,
button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 3px solid var(--primary-color);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary-color);
  color: white;
  padding: 8px;
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Navigation */
header {
  background: white;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-image {
  height: 50px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
}

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

.nav-links a {
  color: var(--text-dark);
  font-weight: 500;
  transition: var(--transition);
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

/* Mobile Menu */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--text-dark);
  margin: 4px 0;
  transition: var(--transition);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  text-decoration: none;
  font-family: inherit;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background-color: #e55a2b;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--secondary-color);
  color: white;
}

.btn-secondary:hover {
  background-color: #003a66;
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
}

.btn-outline:hover {
  background-color: var(--primary-color);
  color: white;
}

.btn-danger {
  background-color: var(--danger-color);
  color: white;
}

.btn-danger:hover {
  background-color: #d63a62;
  box-shadow: var(--shadow-md);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
  color: white;
  padding: 6rem 2rem;
  text-align: center;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero h1 {
  color: white;
  margin-bottom: 1rem;
  font-size: 3.5rem;
}

.hero .subheading {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

/* Sections */
section {
  padding: 4rem 2rem;
}

section h2 {
  text-align: center;
  margin-bottom: 3rem;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.feature-card {
  background: var(--light-bg);
  padding: 2rem;
  border-radius: 0.75rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border-left: 4px solid var(--primary-color);
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.feature-card h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.feature-card ul {
  list-style: none;
  margin-left: 0;
}

.feature-card li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.feature-card li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success-color);
  font-weight: bold;
}

/* Footer */
footer {
  background: var(--dark-bg);
  color: #e0e0e0;
  padding: 3rem 2rem;
  margin-top: 4rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  margin-bottom: 2rem;
}

.footer-section h4 {
  color: white;
  margin-bottom: 1rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: #a0a0a0;
}

.footer-section a:hover {
  color: var(--primary-color);
}

.footer-bottom {
  border-top: 1px solid #444;
  padding-top: 2rem;
  text-align: center;
  color: #888;
}

/* Forms */
form {
  max-width: 600px;
  margin: 2rem auto;
}

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-dark);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
textarea,
select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="tel"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

/* Alert Messages */
.alert {
  padding: 1rem;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  border-left: 4px solid;
}

.alert-success {
  background-color: #e8f5e9;
  border-color: var(--success-color);
  color: #2e7d32;
}

.alert-danger {
  background-color: #ffebee;
  border-color: var(--danger-color);
  color: #c62828;
}

.alert-warning {
  background-color: #fff3e0;
  border-color: var(--warning-color);
  color: #e65100;
}

.alert-info {
  background-color: #e1f5fe;
  border-color: var(--accent-color);
  color: #01579b;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  box-shadow: var(--shadow-sm);
}

th {
  background-color: var(--secondary-color);
  color: white;
  padding: 1rem;
  text-align: left;
  font-weight: 600;
}

td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
}

tr:hover {
  background-color: var(--light-bg);
}

/* Lists */
ol, ul {
  margin-left: 2rem;
  margin-bottom: 1rem;
}

li {
  margin-bottom: 0.5rem;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.p-1 { padding: 1rem; }
.p-2 { padding: 2rem; }

.text-muted {
  color: var(--text-light);
}

.text-danger {
  color: var(--danger-color);
}

.text-success {
  color: var(--success-color);
}

/* Responsive Design */
@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  h3 {
    font-size: 1.35rem;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: white;
    padding: 1rem;
    gap: 1rem;
    box-shadow: var(--shadow-md);
  }

  .nav-links.active {
    display: flex;
  }

  .hamburger {
    display: flex;
  }

  .hero {
    padding: 3rem 2rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero .subheading {
    font-size: 1.1rem;
  }

  section {
    padding: 2rem 1rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  table {
    font-size: 0.875rem;
  }

  th, td {
    padding: 0.75rem;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  .btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.875rem;
  }

  section {
    padding: 1.5rem 1rem;
  }
}

/* Print Styles */
@media print {
  header, footer, .btn, .hamburger {
    display: none;
  }

  body {
    background: white;
  }
}

/* Accessibility - Skip Navigation */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary-color);
  color: white;
  padding: 8px;
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}