/* 
* DigiDesign - Cursos de Diseño Web
* Hoja de estilos principal
* 2024
*/

/* ------------- VARIABLES ------------- */
:root {
    /* Colores principales */
    --primary-color: #3498db;
    --primary-dark: #2980b9;
    --secondary-color: #2ecc71;
    --secondary-dark: #27ae60;
    --accent-color: #f39c12;
    --accent-dark: #e67e22;
    
    /* Colores neutrales */
    --dark: #2c3e50;
    --medium-dark: #34495e;
    --medium: #7f8c8d;
    --medium-light: #bdc3c7;
    --light: #ecf0f1;
    --white: #ffffff;
    
    /* Tipografía */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
    --font-size-small: 0.875rem;
    --font-size-base: 1rem;
    --font-size-medium: 1.125rem;
    --font-size-large: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-xxl: 2rem;
    --font-size-huge: 2.5rem;
    
    /* Espaciado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;
    
    /* Bordes y sombras */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --border-radius-circle: 50%;
    
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    --box-shadow-hover: 0 10px 25px rgba(0, 0, 0, 0.1);
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Layout */
    --container-width: 1200px;
    --container-padding: 1rem;
}

/* ------------- RESET Y ESTILOS BÁSICOS ------------- */
*, 
*::before, 
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    color: var(--dark);
    line-height: 1.6;
    background-color: var(--white);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

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

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

ul, ol {
    list-style: none;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

button {
    cursor: pointer;
    border: none;
    background-color: transparent;
}

/* Contenedor principal */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ------------- TIPOGRAFÍA ------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--dark);
}

h1 {
    font-size: var(--font-size-huge);
}

h2 {
    font-size: var(--font-size-xxl);
}

h3 {
    font-size: var(--font-size-xl);
}

h4 {
    font-size: var(--font-size-large);
}

h5, h6 {
    font-size: var(--font-size-medium);
}

p {
    margin-bottom: var(--spacing-md);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
    padding-bottom: var(--spacing-md);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
}

.section-description {
    text-align: center;
    max-width: 800px;
    margin: -1rem auto var(--spacing-xl);
    color: var(--medium);
}

/* ------------- BOTONES ------------- */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-filter {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    transition: background-color var(--transition-normal);
}

.btn-filter:hover {
    background-color: var(--primary-dark);
}

.read-more {
    font-weight: 600;
    color: var(--primary-color);
    display: inline-flex;
    align-items: center;
}

.read-more:hover {
    color: var(--primary-dark);
}

.read-more::after {
    content: '→';
    margin-left: var(--spacing-xs);
    transition: transform var(--transition-normal);
}

.read-more:hover::after {
    transform: translateX(4px);
}

/* ------------- HEADER Y NAVEGACIÓN ------------- */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.logo {
    display: flex;
    align-items: center;
}

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

nav ul {
    display: flex;
    gap: 1.5rem;
}

nav a {
    color: var(--dark);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

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

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

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

/* ------------- SECCIONES COMUNES ------------- */
section {
    padding: var(--spacing-xl) 0;
}

.page-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    text-align: center;
    padding: var(--spacing-xxl) 0;
}

.page-header h1,
.page-header p {
    color: var(--white);
    margin: 0;
}

.page-header h1 {
    margin-bottom: var(--spacing-sm);
}

.cta {
    background-color: var(--dark);
    color: var(--white);
    text-align: center;
    padding: var(--spacing-xxl) 0;
}

.cta h2,
.cta p {
    color: var(--white);
}

.cta p {
    margin-bottom: var(--spacing-lg);
}

/* ------------- HERO SECTION ------------- */
.hero {
    padding: var(--spacing-xxl) 0;
    background-color: var(--light);
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.hero-content {
    flex: 1;
}

.hero-content h1 {
    font-size: var(--font-size-huge);
    margin-bottom: var(--spacing-md);
    color: var(--dark);
}

.hero-content p {
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-lg);
    color: var(--medium-dark);
}

.hero-image {
    flex: 1;
    position: relative;
}

.hero-image img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
}

/* ------------- FEATURES SECTION ------------- */
.features {
    padding: var(--spacing-xxl) 0;
    background-color: var(--white);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.feature {
    text-align: center;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
}

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

.feature-icon {
    margin-bottom: var(--spacing-md);
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 80px;
    height: 80px;
    border-radius: var(--border-radius-circle);
    background-color: var(--light);
    color: var(--primary-color);
}

.feature h3 {
    margin-bottom: var(--spacing-sm);
}

.feature p {
    color: var(--medium);
}

/* ------------- COURSE PREVIEW SECTION ------------- */
.courses-preview {
    background-color: var(--light);
    padding: var(--spacing-xxl) 0;
}

.course-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.course-card {
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-normal);
}

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

.course-image {
    overflow: hidden;
}

.course-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

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

.course-content {
    padding: var(--spacing-lg);
}

.course-content h3 {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-large);
}

.course-content p {
    color: var(--medium);
    margin-bottom: var(--spacing-md);
}

/* ------------- FUTURE QUOTE SECTION ------------- */
.future-quote {
    padding: var(--spacing-xxl) 0;
    background-color: var(--primary-dark);
}

.future-quote .section-title {
    color: var(--white);
}

.future-quote .section-title::after {
    background-color: var(--white);
}

.quote-box {
    max-width: 800px;
    margin: 0 auto;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    position: relative;
}

.quote-icon {
    color: rgba(255, 255, 255, 0.2);
    position: absolute;
    top: 20px;
    left: 20px;
}

.quote-box blockquote {
    font-size: var(--font-size-large);
    font-weight: 300;
    font-style: italic;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.quote-author {
    color: var(--light);
    font-weight: 600;
}

/* ------------- CALCULATOR SECTION ------------- */
.calculator {
    padding: var(--spacing-xxl) 0;
    background-color: var(--light);
}

.calculator-container {
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow);
    padding: var(--spacing-lg);
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
}

.calculator-options {
    flex: 2;
    display: grid;
    gap: var(--spacing-md);
}

.calculator-result {
    flex: 1;
    background-color: var(--dark);
    color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.calculator-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.calculator-group label {
    font-weight: 600;
    color: var(--dark);
}

.calculator-group input[type="number"],
.calculator-group select {
    padding: 0.75rem;
    border: 1px solid var(--medium-light);
    border-radius: var(--border-radius-sm);
    background-color: var(--white);
    transition: border-color var(--transition-normal);
}

.calculator-group input[type="number"]:focus,
.calculator-group select:focus {
    border-color: var(--primary-color);
    outline: none;
}

.calculator-group input[type="checkbox"] {
    margin-right: var(--spacing-xs);
}

.checkbox-label {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

.total-price {
    font-size: var(--font-size-huge);
    font-weight: 700;
    margin: var(--spacing-md) 0;
}

.price-note {
    font-size: var(--font-size-small);
    opacity: 0.8;
    margin-bottom: var(--spacing-md);
}

/* ------------- BLOG PREVIEW SECTION ------------- */
.blog-preview {
    background-color: var(--white);
    padding: var(--spacing-xxl) 0;
}

.blog-posts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.blog-post {
    background-color: var(--light);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: transform var(--transition-normal);
}

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

.post-image {
    overflow: hidden;
}

.post-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.blog-post:hover .post-image img {
    transform: scale(1.05);
}

.post-content {
    padding: var(--spacing-lg);
}

.post-content h3 {
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-sm);
}

.post-content p {
    color: var(--medium-dark);
    margin-bottom: var(--spacing-md);
}

.blog-link {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* ------------- FOOTER ------------- */
footer {
    background-color: var(--dark);
    color: var(--light);
    padding-top: var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: var(--spacing-md);
}

.footer-about p {
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-circle);
    color: var(--white);
    transition: all var(--transition-normal);
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-links h3,
.footer-courses h3,
.footer-contact h3 {
    color: var(--white);
    font-size: var(--font-size-medium);
    margin-bottom: var(--spacing-md);
}

.footer-links ul,
.footer-courses ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a,
.footer-courses a {
    color: var(--light);
    transition: color var(--transition-normal);
}

.footer-links a:hover,
.footer-courses a:hover {
    color: var(--primary-color);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md) 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.copyright {
    color: var(--medium-light);
    font-size: var(--font-size-small);
}

.legal-links {
    display: flex;
    gap: var(--spacing-md);
}

.legal-links a {
    color: var(--medium-light);
    font-size: var(--font-size-small);
}

.legal-links a:hover {
    color: var(--primary-color);
}

/* ------------- COOKIE BANNER ------------- */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--dark);
    color: var(--white);
    padding: var(--spacing-lg);
    z-index: 9999;
    box-shadow: 0 -5px 10px rgba(0, 0, 0, 0.1);
    transform: translateY(100%);
    transition: transform var(--transition-normal);
}

.cookie-banner.show {
    transform: translateY(0);
}

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

.cookie-content p {
    margin-bottom: 0;
}

.cookie-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.btn-cookie-accept {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
}

.btn-cookie-settings {
    background-color: transparent;
    border: 1px solid var(--white);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
}

.btn-cookie-reject {
    background-color: transparent;
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
}

.cookie-more-info {
    color: var(--primary-color);
    font-size: var(--font-size-small);
    text-decoration: underline;
}

/* ------------- BLOG PAGE ------------- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.blog-card {
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-normal);
}

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

.blog-card-image {
    overflow: hidden;
}

.blog-card-image img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

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

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

.blog-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-small);
    color: var(--medium);
}

.blog-card-content h2 {
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-sm);
}

.blog-card-content p {
    color: var(--medium-dark);
    margin-bottom: var(--spacing-md);
}

.subscribe {
    background-color: var(--primary-dark);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xxl);
}

.subscribe-inner {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    color: var(--white);
}

.subscribe-inner h2 {
    color: var(--white);
}

.subscribe-form {
    display: flex;
    max-width: 500px;
    margin: var(--spacing-md) auto;
    gap: var(--spacing-sm);
}

.subscribe-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: var(--border-radius-md);
}

.form-notice {
    font-size: var(--font-size-small);
    opacity: 0.8;
}

/* ------------- COURSE PAGE ------------- */
.courses-filter {
    background-color: var(--white);
    margin-bottom: var(--spacing-xl);
}

.filter-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    align-items: flex-end;
    padding: var(--spacing-lg);
    background-color: var(--light);
    border-radius: var(--border-radius-md);
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.filter-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.filter-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--medium-light);
    border-radius: var(--border-radius-sm);
    background-color: var(--white);
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.course-item {
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-normal);
}

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

.course-header {
    position: relative;
}

.course-header img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.course-level {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background-color: var(--dark);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-small);
}

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

.course-meta {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    color: var(--medium);
    font-size: var(--font-size-small);
}

.course-meta span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.course-description {
    color: var(--medium-dark);
    margin-bottom: var(--spacing-md);
}

.course-topics {
    margin-bottom: var(--spacing-md);
}

.course-topics h4 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-sm);
}

.course-topics ul {
    list-style: disc;
    padding-left: 1.5rem;
}

.course-topics li {
    color: var(--medium-dark);
    margin-bottom: var(--spacing-xs);
}

.course-pricing {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-md);
}

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

.course-bundles {
    background-color: var(--light);
    padding: var(--spacing-xxl) 0;
    margin-top: var(--spacing-xxl);
}

.bundles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.bundle-item {
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.bundle-header {
    background-color: var(--primary-dark);
    color: var(--white);
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.bundle-header h3 {
    color: var(--white);
    margin: 0;
}

.bundle-discount {
    background-color: var(--accent-color);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-small);
    font-weight: 600;
}

.bundle-content {
    padding: var(--spacing-lg);
}

.bundle-courses {
    list-style: none;
    margin: var(--spacing-md) 0;
    padding: 0;
}

.bundle-courses li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.bundle-courses li::before {
    content: "✓";
    color: var(--secondary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.bundle-pricing {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-lg);
}

.bundle-price {
    display: flex;
    flex-direction: column;
}

.original-price {
    font-size: var(--font-size-small);
    color: var(--medium);
    text-decoration: line-through;
}

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

.accordion {
    margin-top: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.accordion-item {
    margin-bottom: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.accordion-button {
    width: 100%;
    background-color: var(--light);
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    font-weight: 600;
    position: relative;
    transition: background-color var(--transition-normal);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.accordion-icon {
    font-size: var(--font-size-xl);
    transition: transform var(--transition-normal);
}

.accordion-item.active .accordion-icon {
    transform: rotate(45deg);
}

.accordion-content {
    background-color: var(--white);
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.accordion-item.active .accordion-content {
    padding: var(--spacing-lg);
    max-height: 500px;
}

.testimonials {
    background-color: var(--white);
    padding: var(--spacing-xxl) 0;
}

.testimonial-slider {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
}

.testimonial-slider::-webkit-scrollbar {
    height: 8px;
}

.testimonial-slider::-webkit-scrollbar-track {
    background-color: var(--light);
    border-radius: 20px;
}

.testimonial-slider::-webkit-scrollbar-thumb {
    background-color: var(--primary-color);
    border-radius: 20px;
}

.testimonial-slide {
    flex: 0 0 100%;
    scroll-snap-align: start;
}

.testimonial-content {
    background-color: var(--light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    position: relative;
}

.testimonial-quote {
    color: var(--medium-light);
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
}

.testimonial-content p {
    font-style: italic;
    margin: var(--spacing-md) 0;
    padding-left: 2.5rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-circle);
    object-fit: cover;
}

.testimonial-author h4 {
    margin: 0;
}

.testimonial-author p {
    margin: 0;
    font-size: var(--font-size-small);
    color: var(--medium);
    padding-left: 0;
    font-style: normal;
}

/* ------------- CONTACT PAGE ------------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.info-card {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.info-icon {
    background-color: var(--light);
    color: var(--primary-color);
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-circle);
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.info-card h3 {
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-medium);
}

.info-card p {
    color: var(--medium-dark);
    margin-bottom: var(--spacing-xs);
}

.contact-social {
    grid-column: 1 / -1;
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow);
    text-align: center;
}

.contact-social h3 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-medium);
}

.contact-social .social-links {
    justify-content: center;
}

.contact-form-container {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow);
}

.contact-form-container h2 {
    margin-bottom: var(--spacing-xs);
}

.contact-form-container > p {
    color: var(--medium);
    margin-bottom: var(--spacing-lg);
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 1px solid var(--medium-light);
    border-radius: var(--border-radius-sm);
    transition: border-color var(--transition-normal);
}

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

.checkbox-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.checkbox-container label {
    margin: 0;
    font-weight: normal;
    font-size: var(--font-size-small);
}

.map-section {
    margin-top: var(--spacing-xxl);
}

.map-container {
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.thank-you-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.thank-you-modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    width: 90%;
    max-width: 500px;
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.modal-header {
    display: flex;
    justify-content: flex-end;
    padding: var(--spacing-sm);
}

.modal-close {
    font-size: var(--font-size-xl);
    color: var(--medium);
    cursor: pointer;
}

.modal-body {
    padding: var(--spacing-lg);
    text-align: center;
}

.success-icon {
    color: var(--secondary-color);
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.modal-body h3 {
    margin-bottom: var(--spacing-sm);
}

.modal-body p {
    color: var(--medium-dark);
    margin-bottom: var(--spacing-lg);
}

/* ------------- ABOUT US PAGE ------------- */
.about-story {
    background-color: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-content h2 {
    margin-bottom: var(--spacing-md);
}

.about-content p {
    color: var(--medium-dark);
}

.about-image img {
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow);
}

.mission-values {
    background-color: var(--light);
    padding: var(--spacing-xxl) 0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.value-card {
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

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

.value-icon {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.value-card h3 {
    margin-bottom: var(--spacing-sm);
}

.value-card p {
    color: var(--medium-dark);
}

.team-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--white);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.team-card {
    background-color: var(--light);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: transform var(--transition-normal);
}

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

.team-card img {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
}

.team-card h3 {
    margin: var(--spacing-md) 0 0 0;
    padding: 0 var(--spacing-md);
}

.team-card p {
    color: var(--medium-dark);
    margin: var(--spacing-xs) 0;
    padding: 0 var(--spacing-md);
}

.team-card p:last-of-type {
    font-size: var(--font-size-small);
    margin-bottom: var(--spacing-md);
}

.team-social {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0 var(--spacing-md) var(--spacing-md);
}

.team-social a {
    background-color: var(--medium-light);
    color: var(--white);
    width: 36px;
    height: 36px;
    border-radius: var(--border-radius-circle);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all var(--transition-normal);
}

.team-social a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.achievements {
    background-color: var(--primary-dark);
    padding: var(--spacing-xxl) 0;
}

.achievements .section-title {
    color: var(--white);
}

.achievements .section-title::after {
    background-color: var(--white);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    text-align: center;
}

.achievement-card {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    transition: transform var(--transition-normal);
}

.achievement-card:hover {
    transform: translateY(-5px);
    background-color: rgba(255, 255, 255, 0.2);
}

.achievement-number {
    font-size: var(--font-size-huge);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.achievement-card p {
    color: var(--light);
    margin: 0;
}

.partners {
    background-color: var(--light);
    padding: var(--spacing-xl) 0;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
    align-items: center;
}

.partner-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-md);
}

.partner-logo img {
    max-width: 100%;
    max-height: 80px;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all var(--transition-normal);
}

.partner-logo:hover img {
    filter: grayscale(0);
    opacity: 1;
}

/* ------------- RESPONSIVE DESIGN ------------- */
@media (max-width: 1024px) {
    :root {
        --font-size-huge: 2.2rem;
        --font-size-xxl: 1.8rem;
    }
    
    .hero .container {
        flex-direction: column;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-huge: 2rem;
        --font-size-xxl: 1.6rem;
        --font-size-xl: 1.4rem;
    }
    
    header .container {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        grid-template-columns: 1fr;
    }
    
    .filter-container {
        flex-direction: column;
    }
    
    .course-pricing {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

@media (max-width: 576px) {
    :root {
        --font-size-huge: 1.8rem;
        --font-size-xxl: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .legal-links {
        justify-content: center;
    }
    
    .calculator-container {
        flex-direction: column;
    }
    
    .course-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .bundle-pricing {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}