/* Himalaya Holidays - Main Stylesheet */

:root {
    --primary-color: #fbbf24; /* Bright yellow */
    --primary-dark: #d97706; /* Darker yellow/amber */
    --primary-light: #fde047; /* Light yellow */
    --secondary-color: #f8f9fa;
    --accent-color: #f59e0b; /* Amber accent */
    --accent-dark: #b45309; /* Dark amber */
    --accent-light: #fef3c7; /* Very light yellow */
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --border-color: #e5e7eb;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --border-radius: 8px;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280; /* Medium gray */
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Semantic Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #fbbf24; /* Using primary yellow for info */
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    padding-top: 80px; /* Account for fixed navbar */
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-light);
}

/* Buttons */
.btn {
    border-radius: var(--border-radius);
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/hero-bg.jpg') center/cover;
    opacity: 0.3;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-search {
    background: rgba(255,255,255,0.95);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.search-form .form-control,
.search-form .form-select {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.75rem;
}

/* Package Cards */
.package-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    height: 100%;
}

.package-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.package-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.package-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.package-card:hover .package-image img {
    transform: scale(1.1);
}

.package-price {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--accent-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
}

.package-content {
    padding: 1.5rem;
}

.package-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.package-location,
.package-duration {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.package-description {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.package-actions {
    display: flex;
    gap: 0.5rem;
}

.package-actions .btn {
    flex: 1;
    font-size: 0.9rem;
}

/* Destination Cards */
.destination-card {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    height: 250px;
    cursor: pointer;
}

.destination-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.destination-card:hover img {
    transform: scale(1.1);
}

.destination-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: white;
    padding: 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.destination-card:hover .destination-overlay {
    transform: translateY(0);
}

.destination-overlay h4 {
    margin-bottom: 0.5rem;
}

.destination-overlay p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Feature Cards */
.feature-card {
    padding: 2rem 1rem;
    text-align: center;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 2rem;
}

.feature-card h4 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Testimonial Cards */
.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    height: 100%;
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-style: italic;
    color: var(--text-dark);
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.author-image {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 1rem;
}

.author-info h5 {
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}

.author-info span {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Navigation - Enhanced */
.navbar {
    backdrop-filter: blur(10px);
    background: rgba(255,255,255,0.95) !important;
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
    font-weight: 700;
    color: var(--primary-color) !important;
}

.nav-link {
    font-weight: 500;
    color: var(--text-dark) !important;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

/* Forms */
.form-control,
.form-select {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.75rem;
    transition: border-color 0.3s ease;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(44, 90, 160, 0.25);
}

/* Alert Messages */
.alert {
    border-radius: var(--border-radius);
    border: none;
}

/* Footer - Enhanced */
.footer-modern {
    margin-top: auto;
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.footer-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

.footer-brand {
    font-family: var(--font-secondary);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    transition: all var(--transition-fast);
    position: relative;
    padding-left: var(--spacing-md);
}

.footer-links a::before {
    content: '→';
    position: absolute;
    left: 0;
    opacity: 0;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: var(--spacing-lg);
}

.footer-links a:hover::before {
    opacity: 1;
}

/* Social Links */
.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--gray-700);
    color: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all var(--transition-fast);
    font-size: 1rem;
}

.social-link:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* Contact Items */
.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-item i {
    width: 20px;
    color: var(--primary-color);
    margin-top: 2px;
}

.contact-item a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-item a:hover {
    color: var(--primary-color);
}

/* Footer Links Inline */
.footer-links-inline {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: flex-end;
}

.footer-links-inline a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.powered-by-section {
    background: var(--gray-900);
    border-top: 1px solid var(--gray-700);
    padding: var(--spacing-md) 0;
}

.powered-by {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--gray-400);
}

.powered-by-logo {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 0.75rem;
}

.company-name {
    font-weight: 600;
    color: var(--primary-color);
    letter-spacing: 0.5px;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    border: none;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-search {
        padding: 1.5rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .package-actions {
        flex-direction: column;
    }
    
    .destination-card {
        height: 200px;
    }
    
    .back-to-top {
        bottom: var(--spacing-lg);
        right: var(--spacing-lg);
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-search {
        padding: 1rem;
    }
    
    .package-content {
        padding: 1rem;
    }
    
    .testimonial-card {
        padding: 1.5rem;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-dark);
}