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

:root {
    --primary-color: #1a365d;
    --secondary-color: #ed8936;
    --accent-color: #38b2ac;
    --success-color: #48bb78;
    --warning-color: #ed8936;
    --error-color: #e53e3e;
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --background-primary: #ffffff;
    --background-secondary: #f7fafc;
    --background-accent: #edf2f7;
    --border-light: #e2e8f0;
    --shadow-subtle: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-moderate: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-strong: 0 10px 25px rgba(0,0,0,0.15);
    --radius-small: 6px;
    --radius-medium: 12px;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-accent: 'Playfair Display', Georgia, serif;
    --transition-smooth: all 0.3s ease;
}

body {
    font-family: var(--font-main);
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--background-primary);
}

.wrapper-fluid {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.header-main {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition-smooth);
}

.navigation-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 0;
}

.logo-brand a {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
    font-family: var(--font-accent);
    letter-spacing: -0.025em;
}

.menu-items {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.menu-items a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
    position: relative;
}

.menu-items a:hover {
    color: var(--primary-color);
}

.menu-items a::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: var(--transition-smooth);
}

.menu-items a:hover::before {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 28px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: var(--transition-smooth);
    border-radius: 2px;
}

.intro-hero {
    background: linear-gradient(135deg, var(--background-secondary) 0%, var(--background-accent) 100%);
    padding: 140px 0 100px;
    min-height: 85vh;
    display: flex;
    align-items: center;
}

.hero-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 5rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.75rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-family: var(--font-accent);
    letter-spacing: -0.02em;
}

.lead-text {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.action-buttons {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.button-main, .button-outline {
    padding: 18px 36px;
    border-radius: var(--radius-medium);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-smooth);
    display: inline-block;
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
    font-size: 1.05rem;
}

.button-main {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-moderate);
}

.button-main:hover {
    background: #2c5282;
    transform: translateY(-2px);
    box-shadow: var(--shadow-strong);
}

.button-outline {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.button-outline:hover {
    background: var(--primary-color);
    color: white;
}

.button-wide {
    width: 100%;
}

.credibility-marks {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}

.mark-item {
    color: var(--success-color);
    font-weight: 500;
    font-size: 0.95rem;
}

.hero-photo {
    width: 100%;
    height: 550px;
    object-fit: cover;
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-strong);
}

.portfolio-showcase {
    padding: 100px 0;
    background: var(--background-primary);
}

.showcase-header {
    text-align: center;
    margin-bottom: 5rem;
}

.showcase-header h2 {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
    font-family: var(--font-accent);
}

.showcase-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.technique-card {
    background: var(--background-primary);
    border-radius: var(--radius-medium);
    overflow: hidden;
    box-shadow: var(--shadow-subtle);
    transition: var(--transition-smooth);
    border: 1px solid var(--border-light);
}

.technique-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-strong);
}

.technique-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.card-content {
    padding: 2rem;
}

.card-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.card-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.methods-detail {
    padding: 100px 0;
    background: var(--background-secondary);
}

.methods-layout {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.methods-info h2 {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 2.5rem;
    color: var(--text-primary);
    font-family: var(--font-accent);
}

.curriculum-list {
    margin-bottom: 2.5rem;
}

.curriculum-module {
    margin-bottom: 2.25rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-light);
}

.curriculum-module:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.curriculum-module h4 {
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
}

.curriculum-module p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.methods-photo {
    width: 100%;
    height: 450px;
    object-fit: cover;
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-moderate);
}

.examples-grid {
    padding: 100px 0;
    background: var(--background-primary);
}

.examples-title {
    text-align: center;
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 4rem;
    color: var(--text-primary);
    font-family: var(--font-accent);
}

.comparison-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 4rem;
}

.before-after {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.image-container {
    position: relative;
    border-radius: var(--radius-medium);
    overflow: hidden;
    box-shadow: var(--shadow-moderate);
}

.comparison-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.image-label {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 6px 12px;
    border-radius: var(--radius-small);
    font-size: 0.85rem;
    font-weight: 600;
}

.comparison-caption {
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
    line-height: 1.5;
}

.feedback-section {
    padding: 100px 0;
    background: var(--background-accent);
}

.feedback-heading {
    text-align: center;
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 4rem;
    color: var(--text-primary);
    font-family: var(--font-accent);
}

.testimonial-carousel {
    position: relative;
    max-width: 900px;
    margin: 0 auto 3rem;
}

.testimonial-slide {
    display: none;
    background: var(--background-primary);
    padding: 3.5rem;
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-moderate);
    text-align: center;
}

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

.testimonial-text p {
    font-size: 1.3rem;
    line-height: 1.6;
    margin-bottom: 2.5rem;
    color: var(--text-primary);
    font-style: italic;
}

.reviewer-info strong {
    display: block;
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.reviewer-info span {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.star-rating {
    color: var(--secondary-color);
    font-size: 1.3rem;
    margin-top: 0.75rem;
}

.carousel-controls {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
}

.carousel-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: none;
    background: var(--border-light);
    cursor: pointer;
    transition: var(--transition-smooth);
}

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

.instructor-profile {
    padding: 100px 0;
    background: var(--background-primary);
}

.profile-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 5rem;
    align-items: center;
}

.instructor-photo {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-moderate);
}

.profile-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-family: var(--font-accent);
}

.profile-intro {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.credentials-list {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.credential-item strong {
    display: block;
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.credential-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.faq-area {
    padding: 100px 0;
    background: var(--background-secondary);
}

.faq-title {
    text-align: center;
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 4rem;
    color: var(--text-primary);
    font-family: var(--font-accent);
}

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

.faq-item {
    margin-bottom: 1.5rem;
    background: var(--background-primary);
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-subtle);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 1.75rem;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
}

.faq-question:hover {
    background: var(--background-secondary);
}

.faq-question::after {
    content: '+';
    position: absolute;
    right: 1.75rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: var(--transition-smooth);
}

.faq-question.active::after {
    transform: translateY(-50%) rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer.active {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 1.75rem 1.75rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.enrollment-zone {
    padding: 100px 0;
    background: var(--background-accent);
}

.enrollment-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}

.enrollment-details h2 {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-family: var(--font-accent);
}

.enrollment-details > p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.course-highlights {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.highlight-point strong {
    display: block;
    font-size: 1.15rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.highlight-point p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.enrollment-form-area {
    background: var(--background-primary);
    padding: 3.5rem;
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-moderate);
}

.enrollment-form h3 {
    font-size: 1.9rem;
    font-weight: 600;
    margin-bottom: 2.5rem;
    color: var(--text-primary);
    text-align: center;
}

.input-group {
    margin-bottom: 1.75rem;
}

.input-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 500;
    color: var(--text-primary);
}

.input-group input,
.input-group select {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-small);
    font-size: 1rem;
    transition: var(--transition-smooth);
    background: var(--background-primary);
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

.checkbox-container {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.checkbox-container input[type="checkbox"] {
    width: auto;
    margin: 0;
    flex-shrink: 0;
    margin-top: 3px;
}

.checkbox-container label {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.4;
}

.checkbox-container a {
    color: var(--primary-color);
    text-decoration: none;
}

.checkbox-container a:hover {
    text-decoration: underline;
}

.security-note {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 1rem;
}

.page-footer {
    background: var(--text-primary);
    color: white;
    padding: 4rem 0 1.5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 2.5rem;
}

.footer-brand h4 {
    font-size: 1.6rem;
    margin-bottom: 1.25rem;
    color: white;
    font-family: var(--font-accent);
}

.footer-brand p {
    color: #cbd5e0;
    line-height: 1.6;
}

.footer-section h5 {
    font-size: 1.15rem;
    margin-bottom: 1.25rem;
    color: white;
}

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

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section ul li a {
    color: #cbd5e0;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-section ul li a:hover {
    color: white;
}

.footer-base {
    border-top: 1px solid #4a5568;
    padding-top: 1.5rem;
    text-align: center;
    color: #cbd5e0;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .menu-items {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 2.75rem;
    }
    
    .action-buttons {
        justify-content: center;
    }
    
    .showcase-grid {
        grid-template-columns: 1fr;
    }
    
    .methods-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .comparison-gallery {
        grid-template-columns: 1fr;
    }
    
    .enrollment-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .credibility-marks {
        justify-content: center;
        text-align: center;
    }
    
    .showcase-header h2,
    .methods-info h2,
    .feedback-heading,
    .faq-title,
    .enrollment-details h2 {
        font-size: 2.25rem;
    }
    
    .profile-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 480px) {
    .wrapper-fluid {
        padding: 0 18px;
    }
    
    .hero-content h1 {
        font-size: 2.25rem;
    }
    
    .lead-text {
        font-size: 1.15rem;
    }
    
    .button-main,
    .button-outline {
        padding: 16px 28px;
        font-size: 0.95rem;
    }
    
    .enrollment-form-area {
        padding: 2.5rem;
    }
    
    .technique-card {
        margin-bottom: 1.5rem;
    }
    
    .before-after {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .comparison-gallery {
        gap: 2.5rem;
    }
}