/* ===== CSS Variables ===== */
:root {
    --primary-green: #4CAF50;
    --primary-green-dark: #388E3C;
    --primary-green-light: #81C784;
    --primary-green-lighter: #A5D6A7;
    --primary-green-lightest: #C8E6C9;

    --sky-blue: #87CEEB;
    --sky-blue-light: #B0E0E6;
    --sky-blue-lighter: #E0F7FA;

    --earth-brown: #8D6E63;
    --earth-brown-light: #A1887F;

    --text-dark: #2C3E50;
    --text-medium: #546E7A;
    --text-light: #78909C;

    --white: #FFFFFF;
    --off-white: #F8F9FA;
    --light-gray: #F5F5F5;

    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);

    --transition: all 0.3s ease;

    --font-primary: 'Poppins', sans-serif;
    --font-script: 'Dancing Script', cursive;
}

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

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

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

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


/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

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

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-green);
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.logo-image {
    height: 190px;
    width: 190px;
    object-fit: contain;
    border-radius: 50%;
    background-color: white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    /* Clean scaling for most browsers */
    image-rendering: auto;
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    font-size: 1.1rem;
}

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

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

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

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    gap: 6px;
}

.menu-toggle span {
    width: 30px;
    height: 3px;
    background: var(--text-dark);
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--sky-blue-lighter) 0%, var(--primary-green-lightest) 100%);
    padding-top: 250px;
    overflow: hidden;
}

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

.cloud {
    position: absolute;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50px;
    opacity: 0.7;
}

.cloud:before,
.cloud:after {
    content: '';
    position: absolute;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50px;
}

.cloud1 {
    width: 100px;
    height: 40px;
    top: 15%;
    left: 10%;
    animation: float 20s infinite ease-in-out;
}

.cloud1:before {
    width: 50px;
    height: 50px;
    top: -25px;
    left: 10px;
}

.cloud1:after {
    width: 60px;
    height: 40px;
    top: -15px;
    right: 10px;
}

.cloud2 {
    width: 120px;
    height: 50px;
    top: 25%;
    right: 15%;
    animation: float 25s infinite ease-in-out reverse;
}

.cloud2:before {
    width: 60px;
    height: 60px;
    top: -30px;
    left: 15px;
}

.cloud2:after {
    width: 70px;
    height: 50px;
    top: -20px;
    right: 15px;
}

.cloud3 {
    width: 80px;
    height: 35px;
    top: 45%;
    left: 20%;
    animation: float 18s infinite ease-in-out;
}

.cloud3:before {
    width: 40px;
    height: 40px;
    top: -20px;
    left: 10px;
}

.cloud3:after {
    width: 50px;
    height: 35px;
    top: -12px;
    right: 10px;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) translateX(0);
    }

    50% {
        transform: translateY(-20px) translateX(10px);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 2rem 0;
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.welcome-text {
    font-family: var(--font-script);
    font-size: 2.5rem;
    color: var(--primary-green);
    font-weight: 500;
}

.main-title {
    font-size: 4rem;
    font-weight: 700;
    color: var(--earth-brown);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-medium);
    max-width: 700px;
    margin: 0 auto 2rem;
    line-height: 1.8;
}

.hero-details {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    color: var(--text-dark);
    font-weight: 500;
    font-weight: 500;
    /* white-space: nowrap; Removed to allow wrapping on mobile */
}

.detail-item .icon {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    /* Fallback for emoji */
}

.detail-item .icon svg {
    width: 24px;
    height: 24px;
}

.hero-decoration {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 300px;
    height: 400px;
    z-index: 0;
    opacity: 0.3;
}

.tree-decoration {
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at bottom, var(--primary-green) 0%, transparent 70%);
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
}

/* ===== Buttons ===== */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: var(--font-primary);
}

.cta-button.primary {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.cta-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.cta-button.secondary {
    background: var(--primary-green);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

.cta-button.secondary:hover {
    background: var(--primary-green-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.cta-button.large {
    padding: 1.25rem 2.5rem;
    font-size: 1.2rem;
}

/* ===== Section Styles ===== */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--earth-brown);
    margin-bottom: 0.5rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-medium);
    font-style: italic;
}

/* ===== About Section ===== */
.about-section {
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-medium);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.highlight-box {
    background: linear-gradient(135deg, var(--primary-green-lightest) 0%, var(--sky-blue-lighter) 100%);
    padding: 2rem;
    border-radius: 15px;
    margin-top: 2rem;
}

.highlight-box h3 {
    color: var(--primary-green-dark);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.elements-grid {
    display: grid;
    gap: 1rem;
}

.element-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1rem;
    color: var(--text-dark);
}

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

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.mudra-hand {
    width: 200px;
    height: 300px;
}

.mudra-hand svg {
    width: 100%;
    height: 100%;
}

/* ===== Course Section ===== */
.course-section {
    background: linear-gradient(135deg, var(--sky-blue-lighter) 0%, var(--primary-green-lightest) 100%);
}

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

.course-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
}

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

.course-number {
    position: absolute;
    top: -15px;
    left: 30px;
    background: var(--primary-green);
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

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

.course-card p {
    color: var(--text-medium);
    line-height: 1.8;
}

/* ===== Benefits Section ===== */
.benefits-section {
    background: var(--white);
}

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

.benefit-item {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--primary-green-lightest) 0%, var(--sky-blue-lighter) 100%);
    border-radius: 15px;
    transition: var(--transition);
}

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

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

.benefit-item p {
    color: var(--text-medium);
    line-height: 1.6;
}

/* ===== Instructor's Certificates Section ===== */
.instructor-certificates-section {
    background: linear-gradient(135deg, var(--sky-blue-lighter) 0%, var(--primary-green-lightest) 100%);
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    justify-content: center;
    max-width: 900px;
    margin: 0 auto;
}

.certificate-thumbnail {
    position: relative;
    width: 100%;
    padding-bottom: 70%;
    /* Aspect ratio for thumbnails (adjust as needed) */
    background-color: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: var(--transition);
}

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

.certificate-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    /* Changed from cover to contain */
    display: block;
    transition: var(--transition);
    border: 2px solid red;
    /* Temporary: To visualize image bounds */
}

.certificate-thumbnail .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(var(--primary-green-dark-rgb), 0.7);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    font-weight: 600;
    font-size: 1.1rem;
}

.certificate-thumbnail:hover .overlay {
    opacity: 1;
}

/* ===== Modal (Lightbox) Styles ===== */
.modal {
    position: fixed;
    z-index: 1001;
    /* Above navbar */
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal.open {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    position: relative;
    margin: auto;
    padding: 20px;
    background-color: var(--white);
    border-radius: 10px;
    max-width: 90%;
    max-height: 90%;
    box-shadow: var(--shadow-lg);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal.open .modal-content {
    transform: scale(1);
}

.modal-image {
    width: 100%;
    height: auto;
    max-width: 100%;
    max-height: 70vh;
    /* Limit height to 70% of viewport height */
    display: block;
    object-fit: contain;
}

.close-button {
    color: var(--text-dark);
    position: absolute;
    top: 10px;
    right: 25px;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.close-button:hover,
.close-button:focus {
    color: var(--primary-green);
    text-decoration: none;
    cursor: pointer;
}

/* Adjustments for responsive design */
@media (max-width: 768px) {
    .certificates-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        /* Limit width on mobile */
    }

    .modal-image {
        max-height: 80vh;
    }
}

/* Make sure to define --primary-green-dark-rgb in your :root if not already done */
:root {
    --primary-green-dark-rgb: 56, 142, 60;
    /* RGB values for #388E3C */
}

.instructor-section {
    background: var(--white);
}

.instructor-content {
    max-width: 700px;
    margin: 0 auto;
}

.instructor-card {
    background: linear-gradient(135deg, var(--primary-green-lightest) 0%, var(--sky-blue-lighter) 100%);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.instructor-avatar {
    width: 150px;
    height: 150px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-green-lightest) 0%, var(--sky-blue-lighter) 100%);
    box-shadow: var(--shadow-md);
}

.instructor-avatar img.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.instructor-card h3 {
    color: var(--earth-brown);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.instructor-bio {
    color: var(--text-medium);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.instructor-contact {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.phone-number {
    color: var(--text-dark);
    font-size: 1.2rem;
    font-weight: 500;
}

/* ===== Testimonials Section ===== */
.testimonials-section {
    background: linear-gradient(135deg, var(--sky-blue-lighter) 0%, var(--primary-green-lightest) 100%);
}

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

.testimonial-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.testimonial-stars {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.testimonial-text {
    color: var(--text-medium);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    color: var(--primary-green-dark);
    font-weight: 600;
    font-size: 1rem;
}

/* ===== Contact Section ===== */
.contact-section {
    background: var(--white);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--primary-green-lightest) 0%, var(--sky-blue-lighter) 100%);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.contact-info {
    text-align: center;
    margin-bottom: 2rem;
}

.contact-info h3 {
    color: var(--earth-brown);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-info>p {
    color: var(--text-medium);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.contact-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-size: 1.1rem;
    color: var(--text-dark);
    font-weight: 500;
    text-align: center;
}

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

.contact-action {
    text-align: center;
}

/* ===== Footer ===== */
.footer {
    background: var(--text-dark);
    color: var(--white);
    text-align: center;
    padding: 2rem 0;
}

.footer p {
    margin: 0.5rem 0;
    opacity: 0.9;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .logo-image {
        height: 130px;
        width: 130px;
        object-fit: contain;
    }

    .logo {
        font-size: 1.4rem;
        gap: 0.5rem;
    }

    .hero {
        padding-top: 190px;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 170px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
        gap: 1rem;
    }

    .nav-menu.active {
        left: 0;
    }

    .welcome-text {
        font-size: 2rem;
    }

    .main-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-details {
        flex-direction: column;
        gap: 1rem;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

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

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

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

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

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

    .contact-content {
        padding: 2rem 1.5rem;
    }

    section {
        padding: 3rem 0;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 2rem;
    }

    .cta-button {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }

    .cta-button.large {
        padding: 1rem 2rem;
        font-size: 1.1rem;
    }
}

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

:focus-visible {
    outline: 3px solid var(--primary-green);
    outline-offset: 2px;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-green);
    color: var(--white);
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* Print Styles */
@media print {

    .navbar,
    .footer,
    .cta-button {
        display: none;
    }

    section {
        page-break-inside: avoid;
    }
}