/* ===== RESPONSIVE IMPROVEMENTS ===== */

/* Enhanced CSS Variables for Better Design System */
:root {
    /* Updated Color Palette */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    
    /* Enhanced Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Playfair Display', Georgia, serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Enhanced Spacing System */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Enhanced Shadows */
    --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-card-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-dropdown: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Enhanced Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Container Max Widths - INCREASED FOR BETTER USE OF SPACE */
    --container-sm: 600px;
    --container-md: 820px;
    --container-lg: 1060px;
    --container-xl: 1320px;
    --container-xxl: 1560px;
}

/* ===== ENHANCED BASE STYLES ===== */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px; /* Account for fixed header */
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Custom container class for wider layout */
.container {
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
}

/* ===== ENHANCED TYPOGRAPHY ===== */
.display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
    font-family: var(--font-secondary);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: var(--font-weight-semibold);
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

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

/* ===== ENHANCED HEADER & NAVIGATION ===== */
.main-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.logo {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-box {
    background: var(--primary-gradient);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
    font-size: 1.2rem;
    box-shadow: var(--shadow-card);
}

/* Enhanced Navigation */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-link {
    padding: var(--spacing-sm) var(--spacing-md) !important;
    border-radius: var(--radius-md);
    transition: var(--transition);
    position: relative;
    color: var(--gray-color) !important;
    font-weight: var(--font-weight-medium);
}

.nav-link:hover {
    background: var(--light-color);
    color: var(--primary-color) !important;
    transform: translateY(-1px);
}

.nav-link.active {
    background: var(--primary-gradient);
    color: white !important;
    box-shadow: var(--shadow-card);
}

/* Enhanced Dropdown */
.dropdown-menu {
    border: none;
    box-shadow: var(--shadow-dropdown);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm);
    margin-top: var(--spacing-xs);
    min-width: 220px;
}

.dropdown-item {
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    transition: var(--transition);
    font-weight: var(--font-weight-medium);
}

.dropdown-item:hover {
    background: var(--light-color);
    color: var(--primary-color);
    transform: translateX(4px);
}

/* ===== ENHANCED MOBILE NAVIGATION ===== */
@media (max-width: 991.98px) {
    .navbar-toggler {
        border: none;
        padding: var(--spacing-sm);
        background: var(--light-color);
        border-radius: var(--radius-md);
        color: var(--primary-color);
    }
    
    .navbar-toggler:focus {
        box-shadow: 0 0 0 0.2rem rgba(93, 89, 255, 0.25);
    }
    
    .mobile-nav .navbar-collapse {
        background: white;
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-dropdown);
        margin-top: var(--spacing-md);
        padding: var(--spacing-lg);
    }
    
    .mobile-nav .nav-menu {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .mobile-nav .nav-link {
        padding: var(--spacing-md) !important;
        width: 100%;
        text-align: left;
    }
    
    .mobile-nav .dropdown-menu {
        position: static;
        float: none;
        width: 100%;
        margin-top: var(--spacing-xs);
        box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
        background: var(--light-color);
    }
}

/* ===== ENHANCED CARDS ===== */
.card {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-2px);
}

.card-img-wrapper {
    position: relative;
    overflow: hidden;
}

.card-img-wrapper img {
    transition: var(--transition);
}

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

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

.article-card .card-title {
    font-size: 1.1rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.article-card .card-text {
    color: var(--gray-color);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ===== ENHANCED BUTTONS ===== */
.btn {
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: var(--font-weight-medium);
    transition: var(--transition);
    border: none;
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-card-hover);
    color: white;
}

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

.btn-outline-primary:hover {
    background: var(--primary-gradient);
    border-color: transparent;
    color: white;
    transform: translateY(-1px);
}

/* ===== ENHANCED GRID SYSTEM ===== */
@media (max-width: 575.98px) {
    .container {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
    
    .row {
        margin-left: calc(-1 * var(--spacing-sm));
        margin-right: calc(-1 * var(--spacing-sm));
    }
    
    .col, [class*="col-"] {
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }
}

/* ===== ENHANCED SECTIONS ===== */
.section-title {
    font-family: var(--font-secondary);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xl);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
}

/* ===== ENHANCED FORMS ===== */
.form-control {
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
    padding: var(--spacing-sm) var(--spacing-md);
    transition: var(--transition);
    font-weight: var(--font-weight-medium);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(93, 89, 255, 0.15);
}

.form-label {
    font-weight: var(--font-weight-medium);
    color: var(--dark-color);
    margin-bottom: var(--spacing-xs);
}

/* ===== ENHANCED PAGINATION ===== */
.pagination {
    gap: var(--spacing-xs);
}

.page-link {
    border-radius: var(--radius-md);
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--gray-color);
    font-weight: var(--font-weight-medium);
    transition: var(--transition);
}

.page-link:hover {
    background: var(--primary-gradient);
    color: white;
    transform: translateY(-1px);
}

.page-item.active .page-link {
    background: var(--primary-gradient);
    border-color: transparent;
    box-shadow: var(--shadow-card);
}

/* ===== ENHANCED ALERTS & BADGES ===== */
.alert {
    border-radius: var(--radius-lg);
    border: none;
    padding: var(--spacing-lg);
    font-weight: var(--font-weight-medium);
}

.badge {
    border-radius: var(--radius-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-weight: var(--font-weight-medium);
}

/* ===== ENHANCED UTILITIES ===== */
.shadow-custom {
    box-shadow: var(--shadow-card) !important;
}

.shadow-custom-hover:hover {
    box-shadow: var(--shadow-card-hover) !important;
}

.rounded-custom {
    border-radius: var(--radius-lg) !important;
}

.text-muted-custom {
    color: var(--gray-color) !important;
}

/* ===== RESPONSIVE UTILITIES ===== */
@media (max-width: 575.98px) {
    .display-1 { font-size: 2.5rem; }
    .display-2 { font-size: 2rem; }
    .display-3 { font-size: 1.75rem; }
    .display-4 { font-size: 1.5rem; }
    
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    
    .btn {
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }
    
    .btn:last-child {
        margin-bottom: 0;
    }
}

/* Updated container max-widths to use more horizontal space */
@media (min-width: 576px) and (max-width: 767.98px) {
    .container {
        max-width: var(--container-sm);
    }
}

@media (min-width: 768px) and (max-width: 991.98px) {
    .container {
        max-width: var(--container-md);
    }
}

@media (min-width: 992px) and (max-width: 1199.98px) {
    .container {
        max-width: var(--container-lg);
    }
}

@media (min-width: 1200px) and (max-width: 1399.98px) {
    .container {
        max-width: var(--container-xl);
    }
}

@media (min-width: 1400px) {
    .container {
        max-width: var(--container-xxl);
    }
}

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

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

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

.animate-fade-in-up {
    animation: fadeInUp 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    animation-fill-mode: both;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    animation-fill-mode: both;
}

.animate-fade-in-right {
    animation: fadeInRight 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    animation-fill-mode: both;
}

/* ===== ENHANCED LOADING STATES ===== */
.loading-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ===== ENHANCED 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;
}

@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;
    }
}

/* ===== FOCUS STYLES ===== */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

button:focus,
.btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    box-shadow: 0 0 0 0.2rem rgba(93, 89, 255, 0.25);
}