/* Base Styles */
:root {
    --color-primary: #A8DADC;
    --color-secondary: #F1FAEE;
    --color-accent: #457B9D;
    --color-dark: #1D3557;
    --color-light: #FFFFFF;
    --shadow: rgba(0, 0, 0, 0.1) 0 4px 16px;
    --border-radius: 2rem;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-dark);
    background-color: #FFFFFF;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: 1rem;
}

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

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 5rem 0;
}

.section-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem auto;
    font-size: 1.2rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    border: none;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-light);
    box-shadow: var(--shadow);
}

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

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

.btn-outline:hover {
    background-color: var(--color-accent);
    color: var(--color-light);
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    z-index: 1000;
    box-shadow: var(--shadow);
    padding: 1rem 0;
    transition: var(--transition);
}

.header.scrolled {
    padding: 0.5rem 0;
}

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

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

.logo img {
    height: 50px;
}

.menu {
    display: flex;
    list-style: none;
}

.menu li {
    margin-left: 1.5rem;
}

.menu a {
    color: var(--color-dark);
    font-weight: 500;
    position: relative;
}

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

.menu a:hover:after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.menu-toggle span {
    width: 30px;
    height: 3px;
    background-color: var(--color-dark);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-color: var(--color-secondary);
    overflow: hidden;
    padding-top: 80px;
}

.wave-container {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    overflow: hidden;
}

.wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 200%;
    height: 100px;
    background: url('images/wave.jpg') repeat-x;
    background-size: 1200px 100px;
    animation: wave 20s linear infinite;
}

.wave2 {
    bottom: 10px;
    opacity: 0.3;
    animation-delay: -5s;
    animation-duration: 15s;
}

.wave3 {
    bottom: 20px;
    opacity: 0.2;
    animation-delay: -2s;
    animation-duration: 10s;
}

@keyframes wave {
    0% {transform: translateX(0);}
    100% {transform: translateX(-50%);}
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 650px;
    text-align: left;
}

.hero-content h1 {
    margin-bottom: 1.5rem;
    color: var(--color-dark);
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--color-accent);
}

/* Benefits Section */
.benefits {
    background-color: var(--color-light);
}

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

.benefit-card {
    background-color: var(--color-secondary);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.benefit-card:hover {
    transform: translateY(-10px);
}

.benefit-icon {
    width: 120px;
    height: 120px;
    margin-bottom: 1.5rem;
}

.benefit-icon svg {
    width: 100%;
    height: 100%;
}

.benefit-card h3 {
    color: var(--color-accent);
    margin-bottom: 1rem;
}

/* Methodology Section */
.methodology {
    background-color: var(--color-secondary);
    position: relative;
    overflow: hidden;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline:before {
    content: '';
    position: absolute;
    width: 4px;
    height: 100%;
    background-color: var(--color-primary);
    left: 50%;
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(50px);
    transition: var(--transition);
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-number {
    width: 60px;
    height: 60px;
    background-color: var(--color-accent);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--color-light);
    font-weight: bold;
    font-size: 1.5rem;
    flex-shrink: 0;
    z-index: 1;
}

.timeline-content {
    flex-grow: 1;
    background-color: var(--color-light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-left: 1rem;
    box-shadow: var(--shadow);
}

.timeline-content h3 {
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

/* Instructor Section */
.instructor {
    background: linear-gradient(to right, var(--color-light) 0%, var(--color-secondary) 100%);
}

.instructor-card {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    background-color: var(--color-light);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.instructor-image {
    flex: 1;
    min-width: 300px;
    height: 400px;
    overflow: hidden;
}

.instructor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: var(--transition);
}

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

.instructor-info {
    flex: 2;
    padding: 2rem;
}

.instructor-info h2 {
    text-align: left;
    color: var(--color-dark);
}

.instructor-info h3 {
    color: var(--color-accent);
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.instructor-credentials {
    color: var(--color-dark);
    font-style: italic;
    margin-bottom: 1.5rem;
}

.instructor-bio {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.instructor-specialties {
    font-size: 1rem;
}

/* Testimonials Section */
.testimonials {
    background-color: var(--color-primary);
    background: linear-gradient(135deg, var(--color-primary) 0%, #CDEAEB 100%);
}

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

.testimonial-slide {
    display: none;
    transition: var(--transition);
}

.testimonial-slide.active {
    display: block;
}

.testimonial-card {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    background-color: var(--color-light);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
}

.testimonial-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 2rem;
    flex-shrink: 0;
}

.testimonial-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial-content {
    flex-grow: 1;
}

.testimonial-content h3 {
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.testimonial-text {
    font-style: italic;
    line-height: 1.6;
}

.testimonial-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 2rem;
}

.testimonial-prev,
.testimonial-next {
    background-color: var(--color-accent);
    color: var(--color-light);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 1.2rem;
    margin: 0 1rem;
    transition: var(--transition);
}

.testimonial-prev:hover,
.testimonial-next:hover {
    background-color: var(--color-dark);
}

.testimonial-dots {
    display: flex;
    align-items: center;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--color-light);
    margin: 0 5px;
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background-color: var(--color-accent);
    transform: scale(1.2);
}

/* Pricing Section */
.pricing {
    background-color: var(--color-light);
}

.pricing-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

.pricing-card {
    flex: 1;
    min-width: 300px;
    max-width: 400px;
    height: 350px;
    perspective: 1000px;
}

.pricing-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s;
    transform-style: preserve-3d;
    transform: rotateY(0deg) rotateX(5deg);
    box-shadow: var(--shadow);
    border-radius: var(--border-radius);
}

.pricing-card:hover .pricing-card-inner {
    transform: rotateY(180deg) rotateX(5deg);
}

.pricing-card-front,
.pricing-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: var(--border-radius);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.pricing-card-front {
    background-color: var(--color-secondary);
    color: var(--color-dark);
}

.pricing-card-back {
    background-color: var(--color-accent);
    color: var(--color-light);
    transform: rotateY(180deg);
}

.pricing-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.price {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.price span {
    font-size: 1rem;
    font-weight: 400;
}

.pricing-features p {
    margin-bottom: 0.5rem;
}

.pricing-card-back ul {
    list-style: none;
    margin-bottom: 1.5rem;
    text-align: left;
}

.pricing-card-back ul li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.pricing-card-back ul li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
}

.pricing-card-back .btn {
    margin-top: auto;
    background-color: var(--color-light);
    color: var(--color-accent);
}

.pricing-card-back .btn:hover {
    background-color: var(--color-secondary);
}

/* FAQ Section */
.faq {
    background-color: var(--color-secondary);
}

.accordion {
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    background-color: var(--color-light);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.accordion-header {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-header h3 {
    margin: 0;
    font-size: 1.2rem;
}

.accordion-icon {
    font-size: 1.5rem;
    color: var(--color-accent);
    transition: var(--transition);
}

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

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.accordion-item.active .accordion-content {
    max-height: 300px;
}

.accordion-content p {
    padding: 0 1.5rem 1.5rem;
}

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

.contact-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}

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

.contact-form-container h2 {
    text-align: left;
    margin-bottom: 1.5rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border-radius: 0.5rem;
    border: 1px solid #e0e0e0;
    font-family: 'Open Sans', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(69, 123, 157, 0.2);
}

.checkbox-group {
    display: flex;
    align-items: center;
}

.checkbox-group input {
    width: auto;
    margin-right: 0.5rem;
}

.checkbox-group label {
    margin-bottom: 0;
}

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

.contact-info h3 {
    margin-bottom: 1.5rem;
    color: var(--color-accent);
}

.contact-info p {
    margin-bottom: 1rem;
}

.map-container {
    margin-top: 2rem;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

/* Subscribe Section */
.subscribe {
    background-color: var(--color-primary);
    background: linear-gradient(135deg, var(--color-primary) 0%, #CDEAEB 100%);
    padding: 3rem 0;
}

.subscribe-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.subscribe h2 {
    margin-bottom: 1rem;
    color: var(--color-dark);
}

.subscribe p {
    margin-bottom: 2rem;
}

.subscribe-form {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.subscribe-form .form-group {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    max-width: 600px;
    margin-bottom: 1rem;
    gap: 1rem;
}

.subscribe-form input[type="email"] {
    flex-grow: 1;
    min-width: 250px;
}

.subscribe-form .checkbox-group {
    justify-content: center;
}

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

.footer-top {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 3rem;
}

.footer-logo {
    flex: 1;
    min-width: 200px;
    margin-bottom: 2rem;
}

.footer-logo img {
    height: 60px;
    filter: brightness(0) invert(1);
}

.footer-links,
.footer-legal,
.footer-contact {
    flex: 1;
    min-width: 200px;
    margin-bottom: 2rem;
}

.footer h4 {
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.footer ul {
    list-style: none;
}

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

.footer a {
    color: var(--color-light);
    opacity: 0.8;
    transition: var(--transition);
}

.footer a:hover {
    opacity: 1;
    color: var(--color-primary);
}

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

.footer-bottom p {
    margin-bottom: 0;
    opacity: 0.7;
}

/* Media Queries */
@media (max-width: 992px) {
    h1 {
        font-size: 3rem;
    }
    
    h2 {
        font-size: 2.2rem;
    }
    
    .timeline:before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: column;
        align-items: flex-start;
        margin-left: 30px;
    }
    
    .timeline-number {
        margin-bottom: -30px;
        margin-left: -30px;
    }
    
    .timeline-content {
        width: 100%;
        margin-left: 0;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    section {
        padding: 4rem 0;
    }
    
    .menu {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: 0;
        background-color: var(--color-light);
        flex-direction: column;
        align-items: center;
        overflow: hidden;
        transition: height 0.3s ease;
        z-index: 999;
    }
    
    .menu.active {
        height: calc(100vh - 80px);
        padding: 2rem 0;
        overflow-y: auto;
    }
    
    .menu li {
        margin: 1rem 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 6px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -6px);
    }
    
    .instructor-card {
        flex-direction: column;
    }
    
    .instructor-image {
        width: 100%;
        height: 300px;
    }
    
    .testimonial-card {
        flex-direction: column;
        text-align: center;
    }
    
    .testimonial-image {
        margin: 0 auto 1.5rem;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 2.2rem;
    }
    
    .subscribe-form .form-group {
        flex-direction: column;
    }
    
    .subscribe-form button {
        width: 100%;
    }
}