/**
 * TravelGang - Custom Branding and Visual Identity
 * Consistent visual design across all pages
 */

/* Brand Colors and Identity */
:root {
    /* Primary Brand Colors */
    --brand-primary: #2563eb;
    --brand-primary-light: #60a5fa;
    --brand-primary-dark: #1e40af;
    --brand-secondary: #1d4ed8;
    --brand-secondary-light: #3b82f6;
    --brand-secondary-dark: #1e3a8a;
    
    /* Brand Accent Colors */
    --brand-accent-blue: #3b82f6;
    --brand-accent-green: #10b981;
    --brand-accent-orange: #f59e0b;
    --brand-accent-red: #ef4444;
    
    /* Brand Gradients */
    --brand-gradient-primary: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-secondary) 100%);
    --brand-gradient-light: linear-gradient(135deg, var(--brand-primary-light) 0%, var(--brand-secondary-light) 100%);
    --brand-gradient-dark: linear-gradient(135deg, var(--brand-primary-dark) 0%, var(--brand-secondary-dark) 100%);
    --brand-gradient-reverse: linear-gradient(135deg, var(--brand-secondary) 0%, var(--brand-primary) 100%);
    
    /* Brand Typography */
    --brand-font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    --brand-font-weight-light: 300;
    --brand-font-weight-normal: 400;
    --brand-font-weight-medium: 500;
    --brand-font-weight-semibold: 600;
    --brand-font-weight-bold: 700;
    
    /* Brand Spacing */
    --brand-spacing-xs: 0.25rem;
    --brand-spacing-sm: 0.5rem;
    --brand-spacing-md: 1rem;
    --brand-spacing-lg: 1.5rem;
    --brand-spacing-xl: 2rem;
    --brand-spacing-xxl: 3rem;
    
    /* Brand Shadows */
    --brand-shadow-sm: 0 2px 4px rgba(37, 99, 235, 0.1);
    --brand-shadow-md: 0 4px 12px rgba(37, 99, 235, 0.15);
    --brand-shadow-lg: 0 8px 24px rgba(37, 99, 235, 0.2);
    --brand-shadow-xl: 0 12px 32px rgba(37, 99, 235, 0.25);
    
    /* Brand Border Radius */
    --brand-radius-sm: 0.25rem;
    --brand-radius-md: 0.5rem;
    --brand-radius-lg: 0.75rem;
    --brand-radius-xl: 1rem;
    --brand-radius-pill: 50rem;
}

/* Brand Typography System */
.brand-font {
    font-family: var(--brand-font-family);
}

.brand-heading {
    font-family: var(--brand-font-family);
    font-weight: var(--brand-font-weight-bold);
    color: var(--brand-primary-dark);
    line-height: 1.2;
}

.brand-subheading {
    font-family: var(--brand-font-family);
    font-weight: var(--brand-font-weight-semibold);
    color: var(--brand-primary);
    line-height: 1.3;
}

.brand-text {
    font-family: var(--brand-font-family);
    font-weight: var(--brand-font-weight-normal);
    line-height: 1.6;
}

.brand-text-gradient {
    background: var(--brand-gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: var(--brand-font-weight-bold);
}

/* Brand Logo and Identity */
.brand-logo {
    display: inline-flex;
    align-items: center;
    font-weight: var(--brand-font-weight-bold);
    color: var(--brand-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.brand-logo:hover {
    color: var(--brand-primary-dark);
    transform: scale(1.05);
}

.brand-logo-icon {
    font-size: 1.5em;
    margin-right: var(--brand-spacing-sm);
    background: var(--brand-gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-logo-text {
    font-size: 1.25em;
    letter-spacing: -0.025em;
}

/* Brand Button System */
.btn-brand-primary {
    background: var(--brand-gradient-primary);
    border: none;
    color: white !important;
    font-weight: var(--brand-font-weight-semibold);
    padding: 0.75rem 1.5rem;
    border-radius: var(--brand-radius-lg);
    box-shadow: var(--brand-shadow-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.btn-brand-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-brand-primary:hover {
    background: var(--brand-gradient-dark);
    transform: translateY(-2px);
    box-shadow: var(--brand-shadow-lg);
    color: white !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
}

.btn-brand-primary:hover::before {
    left: 100%;
}

.btn-brand-primary:focus,
.btn-brand-primary:active,
.btn-brand-primary.active {
    background: var(--brand-gradient-dark) !important;
    color: white !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
    box-shadow: var(--brand-shadow-lg), 0 0 0 0.2rem rgba(37, 99, 235, 0.5);
}

.btn-brand-primary:visited {
    color: white !important;
}

/* Ensure button text is always visible with high specificity */
a.btn-brand-primary,
button.btn-brand-primary,
.btn.btn-brand-primary {
    color: white !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

a.btn-brand-primary:hover,
button.btn-brand-primary:hover,
.btn.btn-brand-primary:hover,
a.btn-brand-primary:focus,
button.btn-brand-primary:focus,
.btn.btn-brand-primary:focus,
a.btn-brand-primary:active,
button.btn-brand-primary:active,
.btn.btn-brand-primary:active {
    color: white !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
}

/* Ensure secondary button text is always visible with high specificity */
a.btn-brand-secondary,
button.btn-brand-secondary,
.btn.btn-brand-secondary {
    background: rgba(255, 255, 255, 0.9) !important;
    border: 2px solid white !important;
    color: var(--brand-primary) !important;
    backdrop-filter: blur(10px);
}

a.btn-brand-secondary:hover,
button.btn-brand-secondary:hover,
.btn.btn-brand-secondary:hover,
a.btn-brand-secondary:focus,
button.btn-brand-secondary:focus,
.btn.btn-brand-secondary:focus,
a.btn-brand-secondary:active,
button.btn-brand-secondary:active,
.btn.btn-brand-secondary:active {
    background: white !important;
    border-color: white !important;
    color: var(--brand-primary) !important;
    box-shadow: var(--brand-shadow-lg);
}

.btn-brand-secondary {
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid white;
    color: var(--brand-primary) !important;
    font-weight: var(--brand-font-weight-semibold);
    padding: 0.75rem 1.5rem;
    border-radius: var(--brand-radius-lg);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.btn-brand-secondary:hover {
    background: white;
    border-color: white;
    color: var(--brand-primary) !important;
    transform: translateY(-2px);
    box-shadow: var(--brand-shadow-lg);
}

.btn-brand-accent {
    background: white;
    border: 1px solid #e9ecef;
    color: var(--brand-primary);
    font-weight: var(--brand-font-weight-medium);
    padding: 0.5rem 1rem;
    border-radius: var(--brand-radius-md);
    box-shadow: var(--brand-shadow-sm);
    transition: all 0.3s ease;
}

.btn-brand-accent:hover {
    background: var(--brand-primary);
    border-color: var(--brand-primary);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--brand-shadow-md);
}

/* Brand Card System */
.card-brand {
    border: none;
    border-radius: var(--brand-radius-xl);
    box-shadow: var(--brand-shadow-sm);
    transition: all 0.3s ease;
    overflow: hidden;
    background: white;
}

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

.card-brand-header {
    background: var(--brand-gradient-primary);
    color: white;
    padding: var(--brand-spacing-lg);
    border-bottom: none;
    font-weight: var(--brand-font-weight-semibold);
}

.card-brand-body {
    padding: var(--brand-spacing-lg);
}

.card-brand-footer {
    background: #f8f9fa;
    border-top: 1px solid #e9ecef;
    padding: var(--brand-spacing-md) var(--brand-spacing-lg);
}

.card-brand-feature {
    text-align: center;
    padding: var(--brand-spacing-xl);
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.card-brand-feature:hover {
    border-color: var(--brand-primary);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(29, 78, 216, 0.05) 100%);
}

.card-brand-feature-icon {
    font-size: 3rem;
    background: var(--brand-gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--brand-spacing-md);
    display: block;
}

/* Brand Navigation System */
.navbar-brand-custom {
    background: var(--brand-gradient-primary);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(37, 99, 235, 0.1);
}

.nav-brand-item {
    position: relative;
    transition: all 0.3s ease;
}

.nav-brand-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--brand-gradient-primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-brand-item:hover::after,
.nav-brand-item.active::after {
    width: 100%;
}

.nav-brand-item .nav-link {
    color: var(--brand-primary);
    font-weight: var(--brand-font-weight-medium);
    padding: var(--brand-spacing-md) var(--brand-spacing-lg);
    border-radius: var(--brand-radius-md);
    transition: all 0.3s ease;
}

.nav-brand-item .nav-link:hover {
    color: var(--brand-primary-dark);
    background: rgba(37, 99, 235, 0.1);
}

/* Brand Form System */
.form-brand {
    background: white;
    padding: var(--brand-spacing-xl);
    border-radius: var(--brand-radius-xl);
    box-shadow: var(--brand-shadow-md);
}

.form-brand .form-label {
    color: var(--brand-primary-dark);
    font-weight: var(--brand-font-weight-semibold);
    margin-bottom: var(--brand-spacing-sm);
}

.form-brand .form-control,
.form-brand .form-select {
    border: 2px solid #e9ecef;
    border-radius: var(--brand-radius-md);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-brand .form-control:focus,
.form-brand .form-select:focus {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
    outline: none;
}

.form-brand .form-control.is-valid {
    border-color: var(--brand-accent-green);
    box-shadow: 0 0 0 0.2rem rgba(52, 168, 83, 0.25);
}

.form-brand .form-control.is-invalid {
    border-color: var(--brand-accent-red);
    box-shadow: 0 0 0 0.2rem rgba(234, 67, 53, 0.25);
}

/* Brand Alert System */
.alert-brand-success {
    background: linear-gradient(135deg, rgba(52, 168, 83, 0.1) 0%, rgba(52, 168, 83, 0.05) 100%);
    border: none;
    border-left: 4px solid var(--brand-accent-green);
    color: #155724;
    border-radius: var(--brand-radius-lg);
}

.alert-brand-danger {
    background: linear-gradient(135deg, rgba(234, 67, 53, 0.1) 0%, rgba(234, 67, 53, 0.05) 100%);
    border: none;
    border-left: 4px solid var(--brand-accent-red);
    color: #721c24;
    border-radius: var(--brand-radius-lg);
}

.alert-brand-warning {
    background: linear-gradient(135deg, rgba(251, 188, 4, 0.1) 0%, rgba(251, 188, 4, 0.05) 100%);
    border: none;
    border-left: 4px solid var(--brand-accent-orange);
    color: #856404;
    border-radius: var(--brand-radius-lg);
}

.alert-brand-info {
    background: linear-gradient(135deg, rgba(66, 133, 244, 0.1) 0%, rgba(66, 133, 244, 0.05) 100%);
    border: none;
    border-left: 4px solid var(--brand-accent-blue);
    color: #0c5460;
    border-radius: var(--brand-radius-lg);
}

/* Brand Badge System */
.badge-brand-primary {
    background: var(--brand-gradient-primary);
    color: white;
    font-weight: var(--brand-font-weight-medium);
    padding: 0.5em 0.75em;
    border-radius: var(--brand-radius-pill);
}

.badge-brand-secondary {
    background: rgba(37, 99, 235, 0.1);
    color: var(--brand-primary);
    font-weight: var(--brand-font-weight-medium);
    padding: 0.5em 0.75em;
    border-radius: var(--brand-radius-pill);
}

/* Step Number Component */
.step-number {
    background: var(--brand-gradient-primary);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--brand-font-weight-bold);
    font-size: 1.5rem;
    margin: 0 auto var(--brand-spacing-md);
    box-shadow: var(--brand-shadow-md);
    transition: all 0.3s ease;
}

.step-number:hover {
    transform: scale(1.1);
    box-shadow: var(--brand-shadow-lg);
}

/* Brand Hero Section */
.hero-brand {
    background: var(--brand-gradient-primary);
    color: white;
    padding: var(--brand-spacing-xxl) 0;
    position: relative;
    overflow: hidden;
}

.hero-brand::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="white" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-brand-content {
    position: relative;
    z-index: 1;
}

.hero-brand-title {
    font-size: 3.5rem;
    font-weight: var(--brand-font-weight-bold);
    margin-bottom: var(--brand-spacing-lg);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-brand-subtitle {
    font-size: 1.25rem;
    font-weight: var(--brand-font-weight-normal);
    opacity: 0.9;
    margin-bottom: var(--brand-spacing-xl);
}

/* Brand Footer */
.footer-brand {
    background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
    color: white;
    padding: var(--brand-spacing-xl) 0 var(--brand-spacing-lg);
    margin-top: auto;
}

.footer-brand-logo {
    color: white;
    font-size: 1.5rem;
    font-weight: var(--brand-font-weight-bold);
    margin-bottom: var(--brand-spacing-md);
}

.footer-brand-text {
    opacity: 0.8;
    font-size: 0.9rem;
}

.footer-brand-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
    margin: 0 var(--brand-spacing-sm);
}

.footer-brand-links a:hover {
    color: white;
    transform: translateY(-1px);
}

/* Brand Loading States */
.loading-brand {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--brand-spacing-md);
}

.loading-brand-spinner {
    width: 2rem;
    height: 2rem;
    border: 3px solid rgba(37, 99, 235, 0.2);
    border-top: 3px solid var(--brand-primary);
    border-radius: 50%;
    animation: brand-spin 1s linear infinite;
}

@keyframes brand-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-brand-text {
    margin-left: var(--brand-spacing-md);
    color: var(--brand-primary);
    font-weight: var(--brand-font-weight-medium);
}

/* Brand Animations */
.brand-fade-in {
    animation: brandFadeIn 0.6s ease-out;
}

.brand-slide-up {
    animation: brandSlideUp 0.6s ease-out;
}

.brand-slide-in-right {
    animation: brandSlideInRight 0.6s ease-out;
}

.brand-bounce-in {
    animation: brandBounceIn 0.8s ease-out;
}

@keyframes brandFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes brandSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes brandSlideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes brandBounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Responsive Brand Adjustments */
@media (max-width: 768px) {
    .hero-brand-title {
        font-size: 2.5rem;
    }
    
    .hero-brand-subtitle {
        font-size: 1.1rem;
    }
    
    .card-brand-feature {
        padding: var(--brand-spacing-lg);
    }
    
    .card-brand-feature-icon {
        font-size: 2.5rem;
    }
    
    .btn-brand-primary,
    .btn-brand-secondary {
        padding: 0.625rem 1.25rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .hero-brand {
        padding: var(--brand-spacing-xl) 0;
    }
    
    .hero-brand-title {
        font-size: 2rem;
    }
    
    .hero-brand-subtitle {
        font-size: 1rem;
    }
    
    .form-brand {
        padding: var(--brand-spacing-lg);
    }
    
    .card-brand-body {
        padding: var(--brand-spacing-md);
    }
}

/* Dark Mode Brand Adjustments */
@media (prefers-color-scheme: dark) {
    .card-brand {
        background: #2d3748;
        color: #e2e8f0;
    }
    
    .card-brand-footer {
        background: #4a5568;
        border-top-color: #718096;
    }
    
    .form-brand {
        background: #2d3748;
        color: #e2e8f0;
    }
    
    .form-brand .form-control,
    .form-brand .form-select {
        background: #4a5568;
        border-color: #718096;
        color: #e2e8f0;
    }
    
    .form-brand .form-control:focus,
    .form-brand .form-select:focus {
        background: #4a5568;
        color: #e2e8f0;
    }
}

/* Print Brand Styles */
@media print {
    .hero-brand,
    .footer-brand {
        background: none !important;
        color: #000 !important;
    }
    
    .btn-brand-primary,
    .btn-brand-secondary,
    .btn-brand-accent {
        background: none !important;
        color: #000 !important;
        border: 1px solid #000 !important;
    }
    
    .card-brand {
        border: 1px solid #000 !important;
        box-shadow: none !important;
    }
}