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

:root {
    --primary-color: #1d8e86;
    --primary-dark: #16a085;
    --primary-light: #48c9b0;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --text-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #2c3e50;
    --border-light: #e9ecef;
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 5px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 10px 40px rgba(0, 0, 0, 0.2);
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    --gradient-secondary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --border-radius: 12px;
    --border-radius-large: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #ffffff;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
    margin-bottom: 1rem;
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.7;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-content {
    text-align: center;
}

.preloader-logo {
    height: 60px;
    margin-bottom: 2rem;
    animation: pulse 2s infinite;
}

.loading-animation {
    width: 300px;
}

.loading-bar {
    width: 100%;
    height: 4px;
    background: var(--border-light);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.loading-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 2px;
    animation: loading 3s ease-in-out infinite;
}

.loading-text {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
}

@keyframes loading {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Particles Background */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-light);
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Logo Styles */
.nav-logo .logo {
    height: 60px;
    transition: var(--transition);
    max-width: 200px;
    object-fit: contain;
}

.nav-logo .logo:hover {
    transform: scale(1.05);
}

.preloader-logo {
    height: 80px;
    max-width: 250px;
    object-fit: contain;
}

.footer-logo img {
    height: 50px;
    max-width: 180px;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

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

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

.nav-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.btn-portal {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: transparent;
    color: var(--primary-color);
    text-decoration: none;
    border: 2px solid var(--primary-color);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.btn-login {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    box-shadow: var(--shadow-light);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 50%, #f1f3f4 100%);
    padding-top: 100px;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 20%, rgba(29, 142, 134, 0.1) 0%, transparent 50%);
}

.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
}

.floating-element {
    position: absolute;
    width: 100px;
    height: 100px;
    background: linear-gradient(45deg, rgba(29, 142, 134, 0.1), rgba(29, 142, 134, 0.05));
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.floating-element:nth-child(3) {
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(120deg); }
    66% { transform: translateY(10px) rotate(240deg); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text {
    max-width: 600px;
}

.hero-title {
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.title-line {
    display: block;
    color: var(--text-dark);
}

.title-highlight {
    display: block;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-light);
    line-height: 1.6;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 500;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin: 2rem 0;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    box-shadow: var(--shadow-light);
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

.btn-primary.large {
    padding: 1.25rem 2.5rem;
    font-size: 1.2rem;
}

.btn-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s;
}

.btn-primary:hover .btn-shine {
    left: 100%;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: transparent;
    color: var(--primary-color);
    text-decoration: none;
    border: 2px solid var(--primary-color);
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: transparent;
    color: var(--primary-color);
    text-decoration: none;
    border: 2px solid var(--primary-color);
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
}

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

.btn-outline.large {
    padding: 1.25rem 2.5rem;
    font-size: 1.2rem;
}

.hero-features {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(29, 142, 134, 0.1);
    color: var(--primary-color);
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 500;
}

.hero-visual {
    position: relative;
}

.hero-image-container {
    position: relative;
    border-radius: var(--border-radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-heavy);
}

.hero-image {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition-slow);
}

.hero-image-container:hover .hero-image {
    transform: scale(1.05);
}

.image-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.decoration-element {
    position: absolute;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0.7;
    animation: float 4s ease-in-out infinite;
}

.decoration-1 {
    width: 20px;
    height: 20px;
    top: 20%;
    right: 10%;
    animation-delay: 0s;
}

.decoration-2 {
    width: 15px;
    height: 15px;
    bottom: 30%;
    left: 15%;
    animation-delay: 1s;
}

.decoration-3 {
    width: 25px;
    height: 25px;
    top: 60%;
    right: 20%;
    animation-delay: 2s;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    font-size: 0.85rem;
    animation: bounce 2s infinite;
}

.scroll-mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

@keyframes scroll-wheel {
    0% { opacity: 1; top: 6px; }
    100% { opacity: 0; top: 20px; }
}

/* Trust Section */
.trust-section {
    padding: 4rem 0;
    background: var(--bg-light);
}

.trust-content {
    text-align: center;
}

.trust-content h3 {
    color: var(--text-light);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 2rem;
}

.trust-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.trust-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    transition: var(--transition);
}

.trust-logo:hover {
    color: var(--primary-color);
    transform: translateY(-5px);
}

.trust-logo i {
    font-size: 2rem;
}

.trust-logo span {
    font-size: 0.85rem;
    font-weight: 500;
}

/* Courses Section */
.courses-section {
    padding: 6rem 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--text-light);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.course-card {
    background: white;
    border-radius: var(--border-radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition-slow);
    position: relative;
    border: 1px solid var(--border-light);
}

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

.course-card.premium {
    border: 2px solid var(--primary-color);
}

.course-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 2;
}

.course-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

.course-card:hover .course-image img {
    transform: scale(1.1);
}

.course-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(29, 142, 134, 0.8), rgba(29, 142, 134, 0.6));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.course-card:hover .course-overlay {
    opacity: 1;
}

.course-icon {
    color: white;
    font-size: 3rem;
    animation: pulse 2s infinite;
}

.course-content {
    padding: 2rem;
}

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

.course-description {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.course-features {
    margin-bottom: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.feature-item i {
    color: var(--primary-color);
    font-size: 0.8rem;
}

.course-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
}

.course-duration,
.course-level {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

.course-duration i,
.course-level i {
    color: var(--primary-color);
}

.course-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 1rem;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
}

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

.courses-cta {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-light);
}

.courses-cta p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

/* About Section */
.about-section {
    padding: 6rem 0;
    background: var(--bg-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text .section-title {
    text-align: left;
    margin-bottom: 1.5rem;
}

.about-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.about-features {
    display: grid;
    gap: 1.5rem;
}

.about-feature {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

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

.feature-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.feature-content h4 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.feature-content p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin: 0;
}

.about-visual {
    position: relative;
}

.about-image-container {
    position: relative;
    border-radius: var(--border-radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-heavy);
}

.about-image {
    width: 100%;
    height: auto;
    display: block;
}

.about-stats {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    display: flex;
    gap: 1rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--shadow-light);
}

.stat-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-card .stat-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin: 0;
}

.stat-card .stat-label {
    font-size: 0.8rem;
    color: var(--text-light);
    margin: 0;
}

/* Testimonials Section */
.testimonials-section {
    padding: 6rem 0;
    background: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

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

.testimonial-rating {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

.testimonial-rating i {
    color: #ffd700;
    font-size: 1rem;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--text-light);
    line-height: 1.6;
}

.testimonial-author h4 {
    color: var(--text-dark);
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.testimonial-author span {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    background: var(--gradient-primary);
    color: white;
    position: relative;
    overflow: hidden;
}

.cta-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 70% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.cta-title {
    color: white;
    margin-bottom: 1.5rem;
    font-size: clamp(2rem, 4vw, 3.5rem);
}

.cta-description {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: white;
}

.cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

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

.cta-actions .btn-primary:hover {
    background: var(--bg-light);
}

.cta-actions .btn-outline {
    border-color: white;
    color: white;
}

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

.cta-guarantee {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    color: white;
    opacity: 0.9;
    font-size: 0.95rem;
}

/* Contact Section */
.contact-section {
    padding: 6rem 0;
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info .section-title {
    text-align: left;
    margin-bottom: 1.5rem;
}

.contact-description {
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-methods {
    margin-bottom: 2rem;
}

.contact-method {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.method-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.method-info h4 {
    color: var(--text-dark);
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.method-info p {
    color: var(--text-light);
    margin: 0;
    font-size: 0.95rem;
}

.social-links h4 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
}

.social-icon:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.contact-form-container {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-light);
}

.contact-form h3 {
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    text-align: center;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-light);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: white;
    color: var(--text-dark);
}

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

.form-group label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: var(--text-light);
    font-size: 1rem;
    transition: var(--transition);
    pointer-events: none;
}

.form-group input:focus + label,
.form-group input:valid + label,
.form-group select:focus + label,
.form-group select:valid + label,
.form-group textarea:focus + label,
.form-group textarea:valid + label {
    top: -0.5rem;
    left: 0.75rem;
    font-size: 0.8rem;
    color: var(--primary-color);
    background: white;
    padding: 0 0.5rem;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 4rem 0 2rem;
}

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

.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-description {
    color: #bdc3c7;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 2rem;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: #bdc3c7;
    margin: 0;
}

.footer-badges {
    display: flex;
    gap: 1rem;
}

.badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(29, 142, 134, 0.2);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .hero-content {
        gap: 3rem;
    }
    
    .courses-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .nav-container {
        padding: 0 1rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
        position: relative;
    }
    
    .nav-logo {
        flex: 0 0 auto;
        order: 1;
    }
    
    .nav-logo .logo {
        height: 55px;
        max-width: 160px;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-medium);
        transition: var(--transition);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        z-index: 1000;
        order: 3;
    }

    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .nav-menu li {
        margin-bottom: 1rem;
    }
    
    .nav-link {
        font-size: 1.1rem;
        padding: 0.5rem 0;
        display: block;
        text-align: center;
    }

    .nav-actions {
        order: 2;
        display: flex;
        gap: 0.5rem;
        align-items: center;
    }
    
    .btn-portal {
        display: none; /* Hide on mobile to save space */
    }
    
    .btn-login {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
        white-space: nowrap;
    }

    .hamburger {
        display: flex;
        order: 4;
        margin-left: 0.5rem;
        z-index: 1001;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero {
        padding-top: 100px;
        min-height: auto;
        padding-bottom: 4rem;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1rem;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .hero-features {
        justify-content: center;
        gap: 0.5rem;
        flex-wrap: wrap;
    }
    
    .feature-badge {
        font-size: 0.75rem;
        padding: 0.4rem 0.8rem;
    }

    .trust-logos {
        gap: 1.5rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .trust-logo {
        min-width: 80px;
    }

    .courses-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .course-card {
        margin: 0;
        max-width: 100%;
    }
    
    .course-image {
        height: 200px;
    }
    
    .course-content {
        padding: 1.5rem;
    }
    
    .course-meta {
        flex-direction: column;
        gap: 0.75rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-feature {
        padding: 1rem;
    }
    
    .feature-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

    .about-stats {
        position: static;
        margin-top: 1rem;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .stat-card {
        flex: 1;
        min-width: 140px;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .testimonial-card {
        padding: 1.5rem;
    }

    .cta-title {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
    }
    
    .cta-description {
        font-size: 1rem;
    }

    .cta-actions {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .cta-actions .btn-primary,
    .cta-actions .btn-outline {
        width: 100%;
        max-width: 280px;
    }
    
    .cta-guarantee {
        font-size: 0.85rem;
        text-align: center;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-method {
        padding: 0.75rem;
    }
    
    .method-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .contact-form-container {
        padding: 1.5rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.875rem;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .footer-badges {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .badge {
        font-size: 0.75rem;
        padding: 0.4rem 0.8rem;
    }
    
    .back-to-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }
    
    .nav-container {
        padding: 0 0.75rem;
    }
    
    .nav-logo .logo {
        height: 50px;
        max-width: 140px;
    }
    
    .btn-login {
        padding: 0.5rem 0.8rem;
        font-size: 0.8rem;
    }
    
    .hero {
        padding-top: 90px;
        padding-bottom: 3rem;
    }
    
    .hero-title {
        font-size: clamp(1.8rem, 7vw, 2.5rem);
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
        line-height: 1.5;
    }

    .hero-stats {
        padding: 0.75rem;
        gap: 0.75rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    .hero-actions .btn-primary,
    .hero-actions .btn-secondary {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
    
    .feature-badge {
        font-size: 0.7rem;
        padding: 0.3rem 0.6rem;
    }

    .section-title {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }
    
    .section-subtitle {
        font-size: 0.95rem;
    }

    .trust-logos {
        gap: 1rem;
    }
    
    .trust-logo i {
        font-size: 1.5rem;
    }
    
    .trust-logo span {
        font-size: 0.75rem;
    }

    .course-image {
        height: 180px;
    }
    
    .course-content {
        padding: 1.25rem;
    }
    
    .course-title {
        font-size: 1.25rem;
    }
    
    .course-description {
        font-size: 0.9rem;
    }
    
    .feature-item {
        font-size: 0.85rem;
    }
    
    .course-btn {
        padding: 0.875rem;
        font-size: 0.95rem;
    }

    .about-feature {
        flex-direction: column;
        text-align: center;
        padding: 1rem 0.75rem;
    }
    
    .feature-icon {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
        margin-bottom: 0.5rem;
    }
    
    .feature-content h4 {
        font-size: 1rem;
    }
    
    .feature-content p {
        font-size: 0.85rem;
    }

    .about-stats {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }
    
    .stat-card {
        min-width: auto;
        width: 100%;
        max-width: 200px;
    }

    .testimonial-card {
        padding: 1.25rem;
    }
    
    .testimonial-text {
        font-size: 0.9rem;
    }

    .cta-title {
        font-size: clamp(1.5rem, 5vw, 2rem);
    }
    
    .cta-description {
        font-size: 0.9rem;
    }
    
    .cta-actions .btn-primary,
    .cta-actions .btn-outline {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }

    .contact-method {
        flex-direction: column;
        text-align: center;
        padding: 1rem 0.75rem;
    }
    
    .method-icon {
        margin-bottom: 0.5rem;
    }
    
    .social-icons {
        justify-content: center;
    }
    
    .contact-form-container {
        padding: 1.25rem;
    }
    
    .contact-form h3 {
        font-size: 1.25rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-section h4 {
        font-size: 1rem;
    }
    
    .footer-description {
        font-size: 0.9rem;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }
}

/* Extra small devices */
@media (max-width: 360px) {
    .nav-logo .logo {
        height: 45px;
        max-width: 120px;
    }
    
    .btn-login {
        padding: 0.4rem 0.6rem;
        font-size: 0.75rem;
    }
    
    .hero-title {
        font-size: clamp(1.6rem, 6vw, 2.2rem);
    }
    
    .hero-actions .btn-primary,
    .hero-actions .btn-secondary {
        padding: 0.75rem 1.25rem;
        font-size: 0.95rem;
    }
    
    .course-content {
        padding: 1rem;
    }
    
    .contact-form-container {
        padding: 1rem;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 1s ease-out;
}

.slide-up {
    animation: slideUp 1s ease-out;
}

.scale-in {
    animation: scaleIn 0.5s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

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

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

/* Selection */
::selection {
    background: var(--primary-color);
    color: white;
}