/* =============================================
   ARDEN ACADEMY - MODERN SMART COACHING WEBSITE
   Modern, Responsive & User-Friendly Design
   ============================================= */

/* ===== ROOT COLOR VARIABLES ===== */
:root {
    --primary-color: #1e40af;
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;
    --secondary-color: #f59e0b;
    --secondary-light: #fbbf24;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #06b6d4;
    --light-bg: #f8fafc;
    --dark-text: #1f2937;
    --gray-text: #6b7280;
    --border-color: #e5e7eb;
    --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);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== GLOBAL STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', 'Poppins', sans-serif;
    color: var(--dark-text);
    background-color: #ffffff;
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark-text);
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

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

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    text-align: center;
    white-space: nowrap;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: white;
}

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

.btn-secondary:hover {
    background-color: #d97706;
    color: white;
}

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

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* ===== CONTAINERS & LAYOUT ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-fluid {
    width: 100%;
    padding: 0 1.5rem;
    margin: 0 auto;
}

.section-padding {
    padding: 4rem 0;
}

.section-padding-sm {
    padding: 2rem 0;
}

.section-padding-lg {
    padding: 6rem 0;
}

/* ===== HEADER & NAVIGATION ===== */
.site-header {
    background: white;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

.main-bar-wraper {
    background: white;
}

.main-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

/* Logo */
.logo-header {
    display: flex;
    align-items: center;
}

.logo-header a {
    display: flex;
}

.logo-header img {
    height: 50px;
    width: auto;
}

/* Logo Dark - Only for mobile menu */
.logo-dark {
    display: none !important;
}

/* Navigation Menu */
.header-nav {
    display: flex;
    align-items: center;
    gap: 0;
}

.header-nav .navbar-nav {
    display: flex;
    list-style: none;
    gap: 0;
}

.header-nav .navbar-nav > li {
    position: relative;
}

.header-nav .navbar-nav > li > a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    color: var(--dark-text);
    font-weight: 500;
    font-size: 15px;
    transition: all 0.3s ease;
    position: relative;
}

.header-nav .navbar-nav > li > a:hover {
    color: var(--primary-color);
    background-color: transparent;
}

.header-nav .navbar-nav > li > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.header-nav .navbar-nav > li > a:hover::after {
    width: 80%;
}

.header-nav .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    min-width: 220px;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    margin-top: 0.5rem;
}

.header-nav > li:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.header-nav .sub-menu li {
    border-bottom: 1px solid var(--border-color);
}

.header-nav .sub-menu li:last-child {
    border-bottom: none;
}

.header-nav .sub-menu li a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.5rem;
    color: var(--dark-text);
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
}

.header-nav .sub-menu li a:hover {
    color: var(--primary-color);
    padding-left: 2rem;
    background-color: var(--light-bg);
}

/* Auth Button */
.auth-login-btn {
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.auth-login-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Extra Nav */
.extra-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.extra-cell {
    display: flex;
    align-items: center;
}

/* Social Icons */
.dz-social-icon {
    display: flex;
    gap: 0.5rem;
    margin-left: 1.5rem;
    padding-left: 1.5rem;
    border-left: 2px solid var(--border-color);
}

.dz-social-icon ul {
    display: flex;
    list-style: none;
    gap: 0.5rem;
}

.dz-social-icon a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--light-bg);
    color: var(--primary-color);
    transition: var(--transition);
}

.dz-social-icon a:hover {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
}

/* ===== NAVBAR TOGGLE (Mobile) ===== */
.navbar-toggler {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
}

.navbar-toggler span {
    width: 25px;
    height: 3px;
    background-color: var(--dark-text);
    margin: 4px 0;
    transition: var(--transition);
    border-radius: 2px;
}

.navbar-toggler:not(.collapsed) span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.navbar-toggler:not(.collapsed) span:nth-child(2) {
    opacity: 0;
}

.navbar-toggler:not(.collapsed) span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===== QUICK LINKS SECTION ===== */
.quick-links-section {
    background: linear-gradient(135deg, var(--light-bg) 0%, #f0f9ff 100%);
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
}

.quick-link-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-decoration: none;
    gap: 0.5rem;
}

.quick-link-btn:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
}

.quick-link-btn img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.quick-link-btn span {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--dark-text);
    text-align: center;
}

.quick-link-btn:hover span {
    color: white;
}

/* ===== HERO SECTION ===== */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: 0;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite 2s;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-section h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: white;
    animation: slideInUp 0.8s ease;
}

.hero-section p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
    animation: slideInUp 0.8s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    animation: slideInUp 0.8s ease 0.4s both;
}

.hero-buttons .btn {
    font-size: 1.125rem;
    padding: 1rem 2.5rem;
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-30px);
    }
}

/* ===== FEATURES SECTION ===== */
.features-section {
    padding: 4rem 0;
}

.feature-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-top: 4px solid var(--primary-color);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-top-color: var(--secondary-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--dark-text);
}

.feature-card p {
    color: var(--gray-text);
}

/* ===== COURSES SECTION ===== */
.courses-section {
    background-color: var(--light-bg);
    padding: 4rem 0;
}

.course-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.course-image {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.course-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.course-category {
    display: inline-block;
    background-color: var(--secondary-light);
    color: #7c2d12;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    width: fit-content;
}

.course-card h3 {
    margin-bottom: 0.5rem;
    color: var(--dark-text);
}

.course-description {
    color: var(--gray-text);
    margin-bottom: 1rem;
    flex-grow: 1;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.course-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-text);
}

.course-meta-item i {
    color: var(--primary-color);
}

.course-card .btn {
    width: 100%;
    text-align: center;
}

/* ===== STATS SECTION ===== */
.stats-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 4rem 0;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.125rem;
    opacity: 0.9;
}

/* ===== TEST SERIES SECTION ===== */
.test-series-section {
    padding: 4rem 0;
}

.test-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-left: 4px solid var(--primary-color);
}

.test-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
    border-left-color: var(--secondary-color);
}

.test-card h4 {
    margin-bottom: 1rem;
    color: var(--dark-text);
}

.test-details {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.test-detail-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-text);
}

.test-detail-item i {
    color: var(--primary-color);
}

/* ===== APP PROMOTION SECTION ===== */
.app-promotion-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.app-promotion-content {
    position: relative;
    z-index: 2;
}

.app-promotion-section h2 {
    color: white;
    margin-bottom: 1.5rem;
}

.app-promotion-section p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
}

.app-features {
    list-style: none;
    margin: 2rem 0;
}

.app-features li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.95);
}

.app-features li i {
    color: var(--secondary-light);
    font-size: 1.5rem;
}

.app-badges {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.app-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    text-decoration: none;
    transition: var(--transition);
    font-weight: 600;
}

.app-badge:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: white;
    transform: translateY(-2px);
}

.app-image {
    text-align: center;
    position: relative;
    z-index: 2;
}

.app-image img {
    max-width: 300px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials-section {
    background-color: var(--light-bg);
    padding: 4rem 0;
}

.testimonial-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-lg);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.5rem;
}

.testimonial-info h4 {
    margin: 0;
}

.testimonial-role {
    color: var(--gray-text);
    font-size: 0.875rem;
}

.testimonial-text {
    color: var(--gray-text);
    font-style: italic;
    margin-bottom: 1rem;
}

.testimonial-rating {
    color: var(--secondary-color);
}

/* ===== FAQ SECTION ===== */
.faq-section {
    padding: 4rem 0;
}

.faq-item {
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    padding: 1.5rem;
    background: var(--light-bg);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background-color: #f0f9ff;
}

.faq-question h4 {
    margin: 0;
    color: var(--dark-text);
}

.faq-toggle {
    color: var(--primary-color);
    font-size: 1.5rem;
    transition: var(--transition);
}

.faq-item.active .faq-toggle {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-content {
    padding: 1.5rem;
    color: var(--gray-text);
}

/* ===== FOOTER ===== */
footer {
    background: #1f2937;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    margin-bottom: 3rem;
}

.footer-section {
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: white;
    margin-bottom: 1.5rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-section a:hover {
    color: white;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-info {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
}

.contact-info i {
    color: var(--secondary-color);
    margin-top: 0.25rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}

/* ===== GRID SYSTEM ===== */
.row {
    display: grid;
    gap: 1.5rem;
}

.row.gx-1 {
    gap: 0.5rem;
}

.row.gx-2 {
    gap: 1rem;
}

.row.gy-2 {
    row-gap: 1rem;
}

.col-1 { grid-column: span 1; }
.col-2 { grid-column: span 2; }
.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-9 { grid-column: span 9; }
.col-10 { grid-column: span 10; }
.col-11 { grid-column: span 11; }
.col-12 { grid-column: span 12; }

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
    
    .section-padding { padding: 3rem 0; }
    .hero-section { padding: 3rem 0; }
    .hero-section h1 { font-size: 2rem; }
    
    .dz-social-icon { display: none; }
    
    .row {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.125rem; }
    
    .section-padding { padding: 2rem 0; }
    
    .navbar-toggler {
        display: flex;
    }
    
    /* Show logo only in mobile menu */
    .logo-dark {
        display: flex !important;
        padding: 1rem;
        border-bottom: 1px solid var(--border-color);
    }
    
    .header-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        max-height: 0;
        overflow: hidden;
        transition: var(--transition);
    }
    
    .header-nav.show {
        max-height: 500px;
        border-bottom: 1px solid var(--border-color);
    }
    
    .header-nav .navbar-nav {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }
    
    .header-nav .navbar-nav > li > a {
        padding: 0.75rem 1rem;
    }
    
    .header-nav .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        background: var(--light-bg);
        transform: none;
    }
    
    .header-nav > li:hover .sub-menu {
        transform: none;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .app-badges {
        flex-direction: column;
    }
    
    .app-badge {
        width: 100%;
        text-align: center;
    }
    
    .row {
        grid-template-columns: 1fr;
    }
    
    .col-md-2,
    .col-md-3,
    .col-md-4,
    .col-md-6 {
        grid-column: span 1;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }
    
    .container {
        padding: 0 1rem;
    }
    
    .hero-section h1 { font-size: 1.75rem; }
    .hero-section p { font-size: 1rem; }
    
    .feature-card,
    .course-card,
    .test-card {
        padding: 1.5rem 1rem;
    }
    
    .course-image { height: 200px; }
    
    .stat-number { font-size: 2rem; }
    .stat-label { font-size: 1rem; }
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.pt-2 { padding-top: 1rem; }
.pt-3 { padding-top: 1.5rem; }
.pt-4 { padding-top: 2rem; }

.pb-2 { padding-bottom: 1rem; }
.pb-3 { padding-bottom: 1.5rem; }
.pb-4 { padding-bottom: 2rem; }

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

.hide { display: none; }
.show { display: block; }

.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }

.bg-primary { background-color: var(--primary-color); }
.bg-secondary { background-color: var(--secondary-color); }
.bg-light { background-color: var(--light-bg); }

.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }
.text-muted { color: var(--gray-text); }
.text-white { color: white; }

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@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);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ===== SCROLLBAR STYLING ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-bg);
}

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

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