/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #ff6b6b;
    --secondary-color: #4ecdc4;
    --accent-color: #ffe66d;
    --purple: #a8dadc;
    --orange: #f4a261;
    --text-dark: #2d3436;
    --text-light: #636e72;
    --bg-light: #fff8f0;
    --white: #ffffff;
    --success: #6dd5ed;
    --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    --gradient-warm: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 230, 109, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(78, 205, 196, 0.05) 0%, transparent 50%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: var(--gradient);
    color: var(--white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 5px;
}

.nav-menu a:hover,
.nav-menu a.active {
    background-color: rgba(255, 255, 255, 0.2);
}

.whatsapp-btn {
    background-color: #25D366 !important;
    border-radius: 20px !important;
    padding: 0.5rem 1.2rem !important;
    font-weight: 600 !important;
    transition: all 0.3s ease !important;
}

.whatsapp-btn:hover {
    background-color: #128C7E !important;
    transform: scale(1.05);
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: var(--white);
    min-width: 220px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    overflow: hidden;
    top: 100%;
    left: 0;
    margin-top: 0.5rem;
}

.dropdown-content a {
    color: var(--text-dark);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    transition: all 0.3s ease;
}

.dropdown-content a:hover {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

.dropdown:hover .dropdown-content {
    display: block;
}

/* Hero Section */
.hero {
    position: relative;
    color: var(--white);
    padding: 0;
    overflow: hidden;
    min-height: 500px;
    display: flex;
    align-items: center;
}

.hero-banner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.banner-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9) 0%, rgba(118, 75, 162, 0.85) 100%);
}

.hero-container {
    position: relative;
    z-index: 2;
    padding: 80px 20px;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-content h2 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    opacity: 0.95;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--text-dark);
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(255, 230, 109, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 230, 109, 0.6);
    background-color: #ffd93d;
}

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

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

.btn-course {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    width: 100%;
    text-align: center;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

.btn-course:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.4);
}

/* Sections */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-weight: 700;
}

.section-subtitle {
    text-align: center;
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

/* Courses Section */
.courses {
    background: linear-gradient(180deg, #fff8f0 0%, #ffe8cc 100%);
}

.course-category {
    margin-bottom: 4rem;
}

.category-title {
    font-size: 2.2rem;
    margin-bottom: 2.5rem;
    color: var(--text-dark);
    text-align: center;
    font-weight: 700;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.1) 0%, rgba(78, 205, 196, 0.1) 100%);
    border-radius: 15px;
    display: inline-block;
    width: 100%;
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.course-grid.single-course {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
}

.course-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    border: 3px solid transparent;
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.course-card.featured {
    border: 3px solid var(--accent-color);
    background: linear-gradient(135deg, #fff 0%, #fffbf0 100%);
}

.course-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.course-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.course-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.course-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.course-features li {
    padding: 0.5rem 0;
    color: var(--text-light);
}

/* Features Section */
.features {
    background-color: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-item {
    text-align: center;
    padding: 2.5rem;
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    border-radius: 20px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.feature-item:nth-child(2) {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
}

.feature-item:nth-child(3) {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
}

.feature-item:nth-child(4) {
    background: linear-gradient(135deg, #d299c2 0%, #fef9d7 100%);
}

.feature-item:nth-child(5) {
    background: linear-gradient(135deg, #fddb92 0%, #d1fdff 100%);
}

.feature-item:nth-child(6) {
    background: linear-gradient(135deg, #fbc2eb 0%, #a6c1ee 100%);
}

.feature-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.feature-item h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

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

/* Course Details Page */
.course-hero {
    position: relative;
    color: var(--white);
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    overflow: hidden;
}

.course-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.course-hero .container {
    position: relative;
    z-index: 1;
}

.course-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.course-hero p {
    font-size: 1.3rem;
    opacity: 0.95;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.course-details {
    padding: 60px 0;
}

.details-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-top: 2rem;
}

.details-main h2 {
    color: var(--primary-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.details-main h3 {
    color: var(--text-dark);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.details-main ul,
.details-main ol {
    margin-left: 2rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.details-main li {
    margin-bottom: 0.5rem;
}

.details-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.sidebar-card {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.sidebar-card h3 {
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 0.75rem;
    background-color: var(--white);
    border-radius: 8px;
}

.info-icon {
    font-size: 1.5rem;
}

.info-text {
    flex: 1;
}

.info-label {
    font-size: 0.875rem;
    color: var(--text-light);
    display: block;
}

.info-value {
    font-weight: 600;
    color: var(--text-dark);
}

.enroll-section {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    margin-top: 2rem;
    text-align: center;
}

.price {
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 1rem;
}

/* Contact Page */
.contact-section {
    padding: 60px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 2rem;
}

.contact-info h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-item {
    display: flex;
    align-items: start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.contact-form {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
}

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

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

.btn-whatsapp {
    display: inline-block;
    background-color: #25D366;
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    margin-top: 10px;
    transition: all 0.3s ease;
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
}

.whatsapp-contact {
    background-color: #E8F5E9;
    border-radius: 12px;
    padding: 1.5rem !important;
}

/* Footer */
.footer {
    background-color: var(--text-dark);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
    }

    .hero {
        padding: 60px 0;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

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

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

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

    .details-sidebar {
        position: static;
    }

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

@media (max-width: 480px) {
    .hero {
        padding: 60px 0;
    }

    .hero-content h2 {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .category-title {
        font-size: 1.5rem;
    }
}