/* Custom Styles for Digital Marketing Science */

/* Reset and Base Styles */
* {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    line-height: 1.5;
}

body {
    font-feature-settings: 'kern' 1, 'liga' 1, 'calt' 1;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography Improvements */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

p {
    line-height: 1.7;
}

/* Custom Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

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

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

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

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.animate-on-scroll.fade-in {
    opacity: 1;
    transform: translateY(0);
}

/* Hover Effects */
.hover-scale {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-scale:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

/* Custom Gradient Backgrounds */
.gradient-bg {
    background: linear-gradient(135deg, #92400e 0%, #78350f 50%, #451a03 100%);
}

.gradient-text {
    background: linear-gradient(135deg, #92400e 0%, #78350f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Enhanced Shadows */
.shadow-custom {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.shadow-custom-lg {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

/* Enhanced Button Styles */
.btn-primary {
    background: linear-gradient(135deg, #92400e 0%, #78350f 100%);
    color: white;
    padding: 0.875rem 2rem;
    border-radius: 0.75rem;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.025em;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(146, 64, 14, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(146, 64, 14, 0.4);
    background: linear-gradient(135deg, #a3450f 0%, #7c3a0f 100%);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(146, 64, 14, 0.2);
}

.btn-secondary {
    background: transparent;
    color: #92400e;
    border: 2px solid #92400e;
    padding: 0.875rem 2rem;
    border-radius: 0.75rem;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.025em;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    text-decoration: none;
    box-shadow: 0 2px 10px rgba(146, 64, 14, 0.1);
}

.btn-secondary:hover {
    background: #92400e;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(146, 64, 14, 0.3);
}

.btn-secondary:active {
    transform: translateY(0);
}

.btn-secondary:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(146, 64, 14, 0.2);
}

/* Large button variations */
.btn-primary.btn-lg {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
    border-radius: 1rem;
}

.btn-secondary.btn-lg {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
    border-radius: 1rem;
}

/* Form Styles */
.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    background-color: #ffffff;
    transition: all 0.2s ease;
    outline: none;
}

.form-input:focus {
    border-color: #92400e;
    box-shadow: 0 0 0 3px rgba(146, 64, 14, 0.1);
    background-color: #fffbeb;
}

.form-input:hover {
    border-color: #d1d5db;
}

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

/* Enhanced Card Styles */
.card {
    background: white;
    border-radius: 1rem;
    padding: 2.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #f3f4f6;
    position: relative;
    overflow: hidden;
}

.card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #92400e 0%, #78350f 100%);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.card:hover::before {
    transform: translateX(0);
}

/* Navigation Enhancements */
.nav-link-active {
    color: #92400e !important;
    font-weight: 600;
    position: relative;
}

.nav-link-active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 2px;
    background: #92400e;
    border-radius: 1px;
}

/* Hero Section Enhancements */
.hero-section {
    background: linear-gradient(135deg, #92400e 0%, #78350f 50%, #451a03 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="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.5;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.25rem !important;
        line-height: 1.1;
    }
    
    .hero-subtitle {
        font-size: 1.125rem !important;
        line-height: 1.6;
    }
    
    .card {
        padding: 2rem;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
        padding: 1rem 1.5rem;
    }
    
    .btn-primary.btn-lg,
    .btn-secondary.btn-lg {
        padding: 1.25rem 2rem;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 1.875rem !important;
    }
    
    .hero-subtitle {
        font-size: 1rem !important;
    }
    
    .card {
        padding: 1.5rem;
    }
}

/* Loading States */
.spinner {
    border: 4px solid #f3f4f6;
    border-top: 4px solid #92400e;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

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

/* Message Styles */
.success-message {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 1rem 1.25rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    font-weight: 500;
}

.error-message {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    padding: 1rem 1.25rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    font-weight: 500;
}

/* Accessibility Improvements */
.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 Styles */
.focus-visible:focus {
    outline: 2px solid #92400e;
    outline-offset: 2px;
}

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

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #92400e;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #78350f;
}

/* Print Styles */
@media print {
    * {
        background: transparent !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    .nav, .footer, .cookie-banner {
        display: none !important;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .btn-primary {
        border: 2px solid #000;
    }
    
    .form-input:focus {
        border-color: #000;
        box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.3);
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .hover-scale:hover {
        transform: none;
    }
    
    .btn-primary:hover,
    .btn-secondary:hover {
        transform: none;
    }
}