/* Variables */
:root {
    --primary-color: #2e8b57; /* Sea Green */
    --secondary-color: #4682b4; /* Steel Blue */
    --accent-color: #f0b429; /* Golden Yellow */
    --text-color: #333;
    --text-light: #666;
    --bg-color: #fff;
    --bg-light: #f5f9f7;
    --bg-dark: #1e3a5f;
    --border-color: #e0e0e0;
    --border-radius: 8px;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --max-width: 1200px;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: 'Nunito', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-color);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

button {
    cursor: pointer;
    font-family: inherit;
    border: none;
    background: none;
    transition: var(--transition);
}

input, textarea, select {
    font-family: inherit;
    font-size: 1rem;
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(46, 139, 87, 0.2);
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23333' 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 12px center;
    background-size: 16px;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.underline {
    height: 4px;
    width: 60px;
    background: var(--primary-color);
    margin: 0 auto;
    position: relative;
}

.underline::before {
    content: '';
    position: absolute;
    left: -15px;
    top: 0;
    height: 4px;
    width: 15px;
    background: var(--secondary-color);
}

.underline::after {
    content: '';
    position: absolute;
    right: -15px;
    top: 0;
    height: 4px;
    width: 15px;
    background: var(--secondary-color);
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 500;
    text-align: center;
    transition: var(--transition);
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(46, 139, 87, 0.4);
}

.btn-primary:hover {
    background: #267349;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(46, 139, 87, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 10px 26px;
}

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

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

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

nav {
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    position: relative;
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 30px;
    height: 3px;
    background-color: var(--text-color);
    border-radius: 3px;
    transition: var(--transition);
}

/* Hero Section */
#hero {
    padding: 160px 0 100px;
    position: relative;
    overflow: hidden;
}

#hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(46, 139, 87, 0.1), rgba(70, 130, 180, 0.1));
    z-index: -1;
}

#hero::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(70, 130, 180, 0.1), rgba(46, 139, 87, 0.1));
    z-index: -1;
}

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

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 15px;
}

.hero-content h2 {
    font-size: 1.8rem;
    font-weight: 500;
    color: var(--text-light);
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--text-light);
}

.hero-cta {
    display: flex;
    gap: 15px;
}

.hero-image {
    position: absolute;
    top: 50%;
    right: 5%;
    transform: translateY(-50%);
    width: 400px;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-img {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: url('https://via.placeholder.com/300x300') no-repeat center/cover;
    box-shadow: var(--box-shadow);
    z-index: 2;
}

.shape {
    position: absolute;
    border-radius: 50%;
}

.shape-1 {
    width: 350px;
    height: 350px;
    border: 2px dashed var(--primary-color);
    animation: rotate 30s linear infinite;
}

.shape-2 {
    width: 400px;
    height: 400px;
    border: 2px dashed var(--secondary-color);
    animation: rotate 40s linear infinite reverse;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* About Section */
#about {
    background-color: var(--bg-light);
}

.about-content {
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-text p {
    margin-bottom: 20px;
}

.education {
    margin-top: 30px;
}

.education h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.education-item {
    display: flex;
    margin-bottom: 20px;
    position: relative;
}

.education-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 15px;
    top: 30px;
    bottom: -10px;
    width: 2px;
    background-color: var(--border-color);
}

.education-year {
    min-width: 80px;
    height: 30px;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 15px;
    margin-right: 20px;
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.education-details h4 {
    font-weight: 600;
    margin-bottom: 5px;
}

.education-details p {
    color: var(--text-light);
    margin: 0;
}

.about-stats {
    flex: 1;
    min-width: 300px;
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
    align-items: center;
}

.stat-item {
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    width: 180px;
    height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-text {
    font-size: 1rem;
    color: var(--text-light);
}

/* Expertise Section */
#expertise {
    background-color: white;
}

.expertise-content {
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
}

.expertise-areas {
    flex: 1;
    min-width: 300px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

.expertise-item {
    background-color: var(--bg-light);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.expertise-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.expertise-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: rgba(46, 139, 87, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.expertise-item h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.expertise-item p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.skills {
    flex: 1;
    min-width: 300px;
}

.skills h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.skill {
    margin-bottom: 25px;
}

.skill span {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.skill-bar {
    height: 10px;
    background-color: #e0e0e0;
    border-radius: 5px;
    overflow: hidden;
}

.skill-level {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 5px;
    position: relative;
    transition: width 1.5s ease-in-out;
    width: 0; /* Start at 0 */
}

@keyframes skill-fill {
    from { width: 0; }
    to { width: 100%; }
}

.skill-bar:hover .skill-level {
    animation: none !important;
    width: var(--width, 0) !important;
}

/* Courses Section */
.course-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 8px 20px;
    border-radius: 30px;
    font-weight: 500;
    color: var(--text-light);
    background-color: transparent;
    transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--primary-color);
    color: white;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

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

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.course-img {
    height: 200px;
    overflow: hidden;
    position: relative;
}

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

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

.course-level {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: var(--accent-color);
    color: var(--bg-dark);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.course-info {
    padding: 20px;
}

.course-info h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.course-info p {
    color: var(--text-light);
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.course-details {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
}

.course-detail {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--text-light);
    font-size: 0.9rem;
}

.course-link {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 500;
    font-size: 0.9rem;
    position: relative;
}

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

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

/* Resources Section */
#resources {
    background-color: var(--bg-light);
}

.resources-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
    color: var(--text-light);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.resource-card {
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.resource-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.resource-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background-color: rgba(46, 139, 87, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--primary-color);
    margin: 0 auto 20px;
}

.resource-card h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.resource-card p {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.resource-link {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 500;
    position: relative;
}

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

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

.resources-cta {
    text-align: center;
    background-color: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.resources-cta p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

/* Testimonials Section */
#testimonials {
    background-color: white;
}

.testimonial-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonial-track {
    display: flex;
    transition: transform 0.5s ease;
}

.testimonial {
    min-width: 100%;
    padding: 0 20px;
}

.testimonial-content {
    background-color: var(--bg-light);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    position: relative;
}

.quote-icon {
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 4rem;
    color: rgba(46, 139, 87, 0.1);
    font-family: serif;
    line-height: 1;
}

.testimonial-content p {
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
}

.author-info h4 {
    font-weight: 600;
    margin-bottom: 5px;
}

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

.testimonial-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 30px;
    gap: 20px;
}

.prev-btn, .next-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: white;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    color: var(--text-color);
}

.prev-btn:hover, .next-btn:hover {
    background-color: var(--primary-color);
    color: white;
}

.testimonial-dots {
    display: flex;
    gap: 8px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #e0e0e0;
    cursor: pointer;
    transition: var(--transition);
}

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

/* Contact Section */
#contact {
    background-color: var(--bg-light);
}

.contact-content {
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
}

.contact-info {
    flex: 1;
    min-width: 300px;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.contact-info p {
    margin-bottom: 30px;
    color: var(--text-light);
}

.contact-details {
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(46, 139, 87, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--primary-color);
}

.contact-text h4 {
    font-weight: 600;
    margin-bottom: 5px;
}

.contact-text p {
    margin: 0;
    color: var(--text-light);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(46, 139, 87, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--primary-color);
    transition: var(--transition);
}

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

.contact-form {
    flex: 1;
    min-width: 300px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

/* Footer */
footer {
    background-color: var(--bg-dark);
    color: white;
    padding: 40px 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Animations */
.animate-on-load {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Styles */
@media (max-width: 1200px) {
    .hero-image {
        right: 0;
    }
}

@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .hero-content h2 {
        font-size: 1.5rem;
    }
    
    .hero-image {
        position: relative;
        top: 0;
        right: 0;
        transform: none;
        margin: 50px auto 0;
    }
    
    #hero {
        padding: 140px 0 50px;
    }
    
    .hero-content {
        max-width: 100%;
        text-align: center;
    }
    
    .hero-cta {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: 0;
        background-color: white;
        flex-direction: column;
        align-items: center;
        gap: 0;
        overflow: hidden;
        transition: height 0.3s ease;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        height: 300px;
        padding: 20px 0;
    }
    
    .nav-links li {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.3s ease, transform 0.3s ease;
    }
    
    .nav-links.active li {
        opacity: 1;
        transform: translateY(0);
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content h2 {
        font-size: 1.3rem;
    }
    
    .hero-image {
        width: 300px;
        height: 300px;
    }
    
    .profile-img {
        width: 220px;
        height: 220px;
    }
    
    .shape-1 {
        width: 260px;
        height: 260px;
    }
    
    .shape-2 {
        width: 300px;
        height: 300px;
    }
}

@media (max-width: 576px) {
    section {
        padding: 70px 0;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content h2 {
        font-size: 1.1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: 10px;
    }
    
    .btn {
        width: 100%;
    }
    
    .about-stats {
        gap: 15px;
    }
    
    .stat-item {
        width: 140px;
        height: 140px;
        padding: 20px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .testimonial-content {
        padding: 30px 20px;
    }
}