/*
* Main stylesheet for ergonomic home office design website
* Fully responsive down to 320px using flexbox, grid, and relative units
*/

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #3A6EA5;    /* Calm blue - trust, focus, mental clarity */
    --color-secondary: #F2E9E4;  /* Light beige - warmth and neutrality */
    --color-accent: #E07A5F;     /* Terracotta - human warmth and energy */
    --color-background: #FAFAFA; /* Soft white - minimal distraction */
    --color-text: #2E2E2E;       /* Graphite gray - clean and professional */
    --color-light: #FFFFFF;
    --color-gray-100: #F8F9FA;
    --color-gray-200: #E9ECEF;
    --color-gray-300: #DEE2E6;
    --color-gray-400: #CED4DA;
    --color-gray-500: #ADB5BD;
    --color-gray-600: #6C757D;
    --color-gray-700: #495057;
    --color-gray-800: #343A40;
    --color-gray-900: #212529;
    --color-success: #28a745;
    --color-error: #dc3545;

    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Inter', sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;

    /* Borders */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --border-width: 1px;
    --border-color: var(--color-gray-300);

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);

    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 0.8s ease;

    /* Container widths */
    --container-max: 1200px;
    --container-narrow: 800px;
}

/* Base Styles & Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    color: var(--color-text);
    line-height: 1.6;
    background-color: var(--color-background);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

a:hover, a:focus {
    color: var(--color-accent);
}

button, .button {
    cursor: pointer;
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-light);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: 1rem;
    text-align: center;
    transition: all var(--transition-fast);
}

button:hover, .button:hover {
    transform: translateY(-2px);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    margin-bottom: var(--space-md);
    line-height: 1.2;
    color: var(--color-primary);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
}

p, ul, ol {
    margin-bottom: var(--space-md);
}

ul, ol {
    list-style-position: inside;
}

/* Container Styles */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.container-narrow {
    max-width: var(--container-narrow);
}

.section {
    padding: var(--space-lg) 0;
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--space-md);
}

.grid-2 {
    grid-template-columns: 1fr;
}

.grid-3 {
    grid-template-columns: 1fr;
}

.grid-4 {
    grid-template-columns: 1fr;
}

.burger-menu {
    display: none;

}

@media (min-width: 768px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Flexbox Utilities */
.flex {
    display: flex;
}

.flex-column {
    flex-direction: column;
}

.flex-wrap {
    flex-wrap: wrap;
}

.items-center {
    align-items: center;
}

.items-start {
    align-items: flex-start;
}

.items-end {
    align-items: flex-end;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.justify-around {
    justify-content: space-around;
}

.justify-end {
    justify-content: flex-end;
}

.flex-grow {
    flex-grow: 1;
}

.gap-xs {
    gap: var(--space-xs);
}

.gap-sm {
    gap: var(--space-sm);
}

.gap-md {
    gap: var(--space-md);
}

.gap-lg {
    gap: var(--space-lg);
}

/* Header Styles */
.site-header {
    background-color: var(--color-light);
    box-shadow: var(--shadow-sm);
    padding: var(--space-md) 0;
    position: relative;
    z-index: 100;
    transition: transform var(--transition-medium);
}

.header-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--color-primary);
}

.header-hide {
    transform: translateY(-100%);
}

/* Navigation Styles */
.main-nav {
    display: none;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: var(--space-lg);
    margin: 0;
}

.main-nav a {
    color: var(--color-gray-700);
    font-weight: 500;
    position: relative;
}

.main-nav a:hover {
    color: var(--color-primary);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-fast);
}

.main-nav a:hover::after {
    width: 100%;
}

.nav-active a {
    color: var(--color-primary);
}

.nav-active a::after {
    width: 100%;
}

@media (min-width: 992px) {
    .main-nav {
        display: block;
    }

    .burger-menu {
        display: none;
    }
}

.burger-menu {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    height: 20px;
    justify-content: space-between;
    padding: 0;
    width: 28px;
    z-index: 1000;
    background-color: transparent;
}

/* Hide burger menu on desktop (from 769px and up) */
@media (min-width: 769px) {
    .burger-menu {
        display: none;
    }
}


.burger-menu:hover {
    background-color: transparent;
    transform: none;
}

.burger-line {
    background-color: var(--color-primary);
    border-radius: 10px;
    height: 3px;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
    width: 100%;
}

.burger-active .burger-line:nth-child(1) {
    transform: translateY(8.5px) rotate(45deg);
}

.burger-active .burger-line:nth-child(2) {
    opacity: 0;
}

.burger-active .burger-line:nth-child(3) {
    transform: translateY(-8.5px) rotate(-45deg);
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--color-light);
    padding: var(--space-xl) var(--space-lg);
    box-shadow: var(--shadow-lg);
    transition: right var(--transition-medium);
    z-index: 105;
}

.mobile-nav-active {
    right: 0;
}

.mobile-nav ul {
    list-style: none;
    margin-top: var(--space-xl);
}

.mobile-nav li {
    margin-bottom: var(--space-md);
}

.mobile-nav a {
    color: var(--color-gray-800);
    font-size: 1.2rem;
    font-weight: 500;
    display: block;
    padding: var(--space-xs) 0;
}

.mobile-nav a:hover {
    color: var(--color-primary);
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
    z-index: 100;
}

.overlay-active {
    opacity: 1;
    visibility: visible;
}

/* Footer Styles */
.site-footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--space-lg) 0;
    margin-top: auto;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: space-between;
    }
}

.footer-column {
    flex: 1;
    min-width: 200px;
}

.footer-logo {
    color: var(--color-light);
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
    display: inline-block;
}

.footer-nav {
    list-style: none;
    margin: 0;
}

.footer-nav li {
    margin-bottom: var(--space-sm);
}

.footer-nav a {
    color: var(--color-gray-400);
}

.footer-nav a:hover {
    color: var(--color-light);
}

.footer-contact {
    margin: 0;
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.footer-contact i {
    color: var(--color-primary);
    margin-top: 4px;
}

.footer-social {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.social-icon {
    color: var(--color-gray-400);
    font-size: 1.2rem;
    transition: color var(--transition-fast);
}

.social-icon:hover {
    color: var(--color-light);
}

.footer-bottom {
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-gray-700);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

/* Hero Section */
.hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    background-image: url("../images/9.webp");
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    position: relative;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
}

.hero-title {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3.5rem;
    }
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: var(--space-lg);
}

.hero-background {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: 1;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

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

.button-primary:hover {
}

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

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

/* Cards */
.card {
    background-color: var(--color-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    height: 100%;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.card-image {
    height: 200px;
    width: 100%;
    object-fit: cover;
}

.card-content {
    padding: var(--space-md);
}

.card-title {
    margin-bottom: var(--space-sm);
    font-size: 1.25rem;
}

.card-text {
    color: var(--color-gray-600);
    margin-bottom: var(--space-sm);
}

.card-footer {
    padding: var(--space-sm) var(--space-md);
    border-top: 1px solid var(--color-gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.card-link {
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Feature Section */
.features {
    background-color: var(--color-light);
    padding: var(--space-xl) 0;
}

.feature-item {
    text-align: center;
    padding: var(--space-md);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background-color: var(--color-primary);
    color: var(--color-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
    font-size: 1.5rem;
}

/* About Section */
.about {
    background-color: var(--color-secondary);
    padding: var(--space-xl) 0;
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .about-content {
        flex-direction: row;
    }
}

.about-text {
    flex: 1;
}

.about-image {
    flex: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
}

/* Testimonials */
.testimonials {
    background-color: var(--color-light);
    padding: var(--space-xl) 0;
}

.testimonial {
    text-align: center;
    padding: var(--space-md);
}

.testimonial-text {
    font-style: italic;
    position: relative;
    padding: 0 var(--space-md);
    margin-bottom: var(--space-md);
}

.testimonial-text::before,
.testimonial-text::after {
    content: '"';
    font-size: 2rem;
    color: var(--color-primary);
    position: absolute;
}

.testimonial-text::before {
    top: -10px;
    left: 0;
}

.testimonial-text::after {
    bottom: -30px;
    right: 0;
}

.testimonial-author {
    font-weight: 700;
    color: var(--color-text);
}

.testimonial-position {
    color: var(--color-gray-600);
    font-size: 0.875rem;
}

/* CTA Section */
.cta {
    background-color: var(--color-primary);
    color: var(--color-light);
    padding: var(--space-xl) 0;
    text-align: center;
}

.cta-title {
    color: var(--color-light);
}

.cta-description {
    max-width: 600px;
    margin: 0 auto var(--space-lg);
}

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

.button-light:hover {
    background-color: var(--color-secondary);
}

/* Forms */
.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 500;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-family: var(--font-secondary);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--color-primary);
    outline: none;
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232E2E2E' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
    padding-right: 2.5rem;
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.form-checkbox input {
    margin-top: 0.3rem;
}

/* Contact Page */
.contact-page {
    padding: var(--space-xl) 0;
}

.contact-info {
    margin-bottom: var(--space-lg);
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background-color: var(--color-primary);
    color: var(--color-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-details h3 {
    margin-bottom: var(--space-xs);
}

.map-container {
    height: 400px;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-top: var(--space-lg);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

/* Product Filters */
.filter-container {
    margin-bottom: var(--space-lg);
    background-color: var(--color-secondary);
    padding: var(--space-md);
    border-radius: var(--radius-md);
}

.filter-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.filter-label {
    font-weight: 600;
    min-width: 100px;
}

.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.filter-option {
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    background-color: var(--color-light);
    border: 1px solid var(--color-gray-300);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-option:hover {
    border-color: var(--color-primary);
}

.filter-active {
    background-color: var(--color-primary);
    color: var(--color-light);
    border-color: var(--color-primary);
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

@media (min-width: 576px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.product-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-content {
    flex-grow: 1;
}

.product-features {
    list-style: none;
    margin-bottom: var(--space-md);
}

.product-features li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: var(--space-xs);
}

.product-features li::before {
    content: "✓";
    color: var(--color-primary);
    position: absolute;
    left: 0;
}

.product-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.product-actions .button {
    flex: 1;
}

/* Workspace Planner */
.planner-form {
    background-color: var(--color-secondary);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.planner-result {
    background-color: var(--color-light);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    display: none;
}

.planner-result.active {
    display: block;
}

/* Posture & Wellness */
.infographic {
    background-color: var(--color-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    margin-bottom: var(--space-lg);
}

.infographic-header {
    background-color: var(--color-primary);
    color: var(--color-light);
    padding: var(--space-md);
}

.infographic-content {
    padding: var(--space-md);
}

.posture-diagram {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

@media (min-width: 768px) {
    .posture-diagram {
        flex-direction: row;
    }
}

.posture-image {
    flex: 1;
    text-align: center;
}

.posture-image img {
    max-height: 300px;
    margin: 0 auto;
}

.posture-caption {
    background-color: var(--color-gray-200);
    padding: var(--space-xs);
    font-size: 0.875rem;
    text-align: center;
    border-radius: var(--radius-sm);
}

.expert-tip {
    position: relative;
    padding: var(--space-md);
    background-color: var(--color-secondary);
    border-left: 4px solid var(--color-primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: var(--space-lg) 0;
}

.expert-name {
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.expert-title {
    font-style: italic;
    color: var(--color-gray-600);
    font-size: 0.875rem;
    margin-bottom: var(--space-md);
}

/* 404 Page */
.error-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 60vh;
    padding: var(--space-xl) 0;
}

.error-code {
    font-size: 6rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.error-message {
    font-size: 1.5rem;
    margin-bottom: var(--space-lg);
}

/* Thank You Page */
.thank-you {
    text-align: center;
    padding: var(--space-xl) 0;
}

.thank-you-icon {
    font-size: 4rem;
    color: var(--color-success);
    margin-bottom: var(--space-lg);
}

.thank-you-message {
    font-size: 1.5rem;
    max-width: 600px;
    margin: 0 auto var(--space-lg);
}

/* Cookie Policy Popup */
.cookie-popup {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-gray-800);
    color: var(--color-light);
    padding: var(--space-md);
    z-index: 1000;
    display: none;
}

.cookie-popup.active {
    display: block;
}

.cookie-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    max-width: var(--container-max);
    margin: 0 auto;
}

@media (min-width: 768px) {
    .cookie-content {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.cookie-text {
    margin: 0;
}

.cookie-buttons {
    display: flex;
    gap: var(--space-sm);
    white-space: nowrap;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-primary {
    color: var(--color-primary);
}

.text-accent {
    color: var(--color-accent);
}

.text-light {
    color: var(--color-light);
}

.text-dark {
    color: var(--color-text);
}

.text-sm {
    font-size: 0.875rem;
}

.text-lg {
    font-size: 1.25rem;
}

.text-xl {
    font-size: 1.5rem;
}

.text-bold {
    font-weight: 700;
}

.mt-1 {
    margin-top: var(--space-sm);
}

.mt-2 {
    margin-top: var(--space-md);
}

.mt-3 {
    margin-top: var(--space-lg);
}

.mt-4 {
    margin-top: var(--space-xl);
}

.mb-1 {
    margin-bottom: var(--space-sm);
}

.mb-2 {
    margin-bottom: var(--space-md);
}

.mb-3 {
    margin-bottom: var(--space-lg);
}

.mb-4 {
    margin-bottom: var(--space-xl);
}

.my-1 {
    margin-top: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.my-2 {
    margin-top: var(--space-md);
    margin-bottom: var(--space-md);
}

.my-3 {
    margin-top: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.my-4 {
    margin-top: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.p-1 {
    padding: var(--space-sm);
}

.p-2 {
    padding: var(--space-md);
}

.p-3 {
    padding: var(--space-lg);
}

.p-4 {
    padding: var(--space-xl);
}

.rounded {
    border-radius: var(--radius-md);
}

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

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

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

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

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

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

.hidden {
    display: none;
}

@media (min-width: 576px) {
    .hidden-sm {
        display: none;
    }
}

@media (min-width: 768px) {
    .hidden-md {
        display: none;
    }
}

@media (min-width: 992px) {
    .hidden-lg {
        display: none;
    }
}

@media (min-width: 1200px) {
    .hidden-xl {
        display: none;
    }
}

/* Animation Effects */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn var(--transition-medium);
}

.animate-slide-up {
    animation: slideUp var(--transition-medium);
}