/* ==========================================================================
   Digital Calligraphy Course - Main CSS
   ========================================================================== */

/* Root Variables - 5-Color Palette */
:root {
    /* Primary Colors */
    --color-primary: #6366f1;          /* Indigo */
    --color-secondary: #8b5cf6;        /* Purple */
    --color-accent: #f59e0b;           /* Amber */
    --color-success: #10b981;          /* Emerald */
    --color-dark: #1f2937;             /* Gray-800 */
    
    /* Light/Dark Shades */
    --color-primary-light: #a5b4fc;
    --color-primary-dark: #4338ca;
    --color-secondary-light: #c4b5fd;
    --color-secondary-dark: #7c3aed;
    --color-accent-light: #fbbf24;
    --color-accent-dark: #d97706;
    --color-success-light: #34d399;
    --color-success-dark: #059669;
    --color-dark-light: #374151;
    --color-dark-dark: #111827;
    
    /* Background Colors */
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --bg-gray: #f3f4f6;
    
    /* Text Colors */
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-success) 100%);
    --gradient-dark: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-light) 100%);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Typography */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
}

/* Reset and Base Styles */
* {
    box-sizing: border-box;
}

body { overflow-x: hidden;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-white);
    scroll-behavior: smooth;
}

/* Respect reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

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

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.lead {
    font-size: var(--font-size-lg);
    font-weight: 400;
}

/* Bootstrap Color Overrides */
.text-primary { color: var(--color-primary) !important; }
.bg-primary { background-color: var(--color-primary) !important; }
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-color: var(--color-primary);
    color: white;
    font-weight: 600;
    transition: all var(--transition-normal);
    border: none;
    border-radius: 0.75rem;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-secondary-dark) 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.btn-outline-primary {
    border-color: var(--color-primary);
    color: var(--color-primary);
    border-width: 2px;
    font-weight: 600;
    transition: all var(--transition-normal);
}

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

/* Header Styles */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
    transition: all var(--transition-normal);
}

.navbar-brand {
    font-size: 1.25rem !important;
    font-weight: 700;
    color: var(--color-primary) !important;
    text-decoration: none;
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: var(--text-primary) !important;
    margin: 0 0.5rem;
    padding: 0.5rem 1rem !important;
    border-radius: 0.5rem;
    transition: all var(--transition-normal);
}

.navbar-nav .nav-link:hover {
    color: var(--color-primary) !important;
    background-color: rgba(99, 102, 241, 0.1);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::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="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

/* Section Styling */
section {
    padding: 5rem 0;
}

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

/* Feature Cards */
.feature-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    height: 100%;
    transition: all var(--transition-normal);
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

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

/* Service Cards */
.service-card {
    transition: all var(--transition-normal);
    border: 1px solid rgba(99, 102, 241, 0.1);
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.service-card img {
    height: 200px;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.service-card:hover img {
    transform: scale(1.05);
}

.service-card .price {
    color: var(--color-primary);
    font-size: var(--font-size-2xl);
    font-weight: 700;
}

/* Price Cards */
.price-card {
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    position: relative;
}

.price-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.price-card.bg-primary {
    background: var(--gradient-primary) !important;
    transform: scale(1.05);
    position: relative;
    z-index: 2;
}

.price-card.bg-primary::before {
    content: 'Most Popular';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

/* Team Section */
.team-member {
    transition: all var(--transition-normal);
}

.team-member:hover {
    transform: translateY(-5px);
}

.team-member img {
    border: 4px solid var(--color-primary-light);
    transition: all var(--transition-normal);
}

.team-member:hover img {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

/* Reviews Section */
.reviews-swiper {
    padding: 2rem 0;
}

.review-card {
    height: 100%;
    border: 1px solid rgba(99, 102, 241, 0.1);
    transition: all var(--transition-normal);
}

.review-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.swiper-pagination-bullet {
    background: var(--color-primary);
}

/* Process Section */
.process-step {
    transition: all var(--transition-normal);
}

.process-step:hover {
    transform: translateY(-5px);
}

.step-number {
    font-weight: 700;
    font-size: var(--font-size-lg);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%) !important;
    box-shadow: var(--shadow-md);
}

/* Case Study Cards */
.case-study-card {
    transition: all var(--transition-normal);
}

.case-study-card:hover {
    transform: translateY(-5px);
}

.case-study-card img {
    transition: transform var(--transition-normal);
    height: 250px;
    object-fit: cover;
}

.case-study-card:hover img {
    transform: scale(1.05);
}

/* Blog Cards */
.blog-card {
    transition: all var(--transition-normal);
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

/* FAQ Section */
.accordion-item {
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-md) !important;
    overflow: hidden;
}

.accordion-button {
    background: var(--bg-white);
    border: none;
    font-weight: 600;
    color: var(--text-primary);
}

.accordion-button:not(.collapsed) {
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    box-shadow: none;
}

.accordion-button:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.25rem rgba(99, 102, 241, 0.25);
}

/* Gallery Section */
.gallery-section img {
    transition: all var(--transition-normal);
    height: 250px;
    object-fit: cover;
}

.gallery-section img:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

/* Contact Form */
.contact-section .form-control {
    border: 2px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    transition: all var(--transition-normal);
}

.contact-section .form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.25rem rgba(99, 102, 241, 0.25);
}

.contact-section .form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-light) 100%) !important;
}

.footer a {
    transition: color var(--transition-normal);
}

.footer a:hover {
    color: var(--color-primary-light) !important;
}

/* Utilities */
.shadow-custom {
    box-shadow: var(--shadow-lg);
}

.bg-gradient-primary {
    background: var(--gradient-primary);
}

.bg-gradient-accent {
    background: var(--gradient-accent);
}

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

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Loading Animation for Images */
img {
    transition: opacity var(--transition-normal);
}

img:not([src]):not([srcset]) {
    opacity: 0;
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus indicators */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --color-primary: #0000ff;
        --color-secondary: #800080;
        --text-primary: #000000;
        --text-secondary: #000000;
    }
} 


/* Team Social Links - Rounded Style */
.team-social-links {
    margin-top: 20px;
    padding: 15px 0;
}

.social-icons-grid {
    display: flex;
    gap: 15px;
    justify-content: center;
    align-items: center;
}

.social-link {
    display: inline-flex;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    font-size: 18px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s;
}

.social-link:hover::before {
    left: 100%;
}

.social-link:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    color: white;
}

.facebook-link {
    background: linear-gradient(135deg, #1877f2, #42a5f5);
}

.facebook-link:hover {
    background: linear-gradient(135deg, #0d6efd, #1877f2);
}

.linkedin-link {
    background: linear-gradient(135deg, #0a66c2, #2196f3);
}

.linkedin-link:hover {
    background: linear-gradient(135deg, #084a8a, #0a66c2);
}

.x-link {
    background: linear-gradient(135deg, #000000, #333333);
    position: relative;
}

.x-link::after {
    content: '𝕏';
    font-weight: bold;
    font-size: 20px;
}

.x-link:hover {
    background: linear-gradient(135deg, #1a1a1a, #000000);
}

.x-link i {
    display: none;
}

@media (max-width: 768px) {
    .social-icons-grid {
        gap: 10px;
    }
    
    .social-link {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
}