/* ===== Базовые стили ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --bg-color: #ffffff;
    --bg-light: #f9fafb;
    --bg-gray: #f3f4f6;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --error-color: #ef4444;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* ===== Header ===== */
.header {
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    gap: 2rem;
}

.logo {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.2s;
}

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

.header-phone a {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.125rem;
    text-decoration: none;
    white-space: nowrap;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    border-radius: 3px;
    transition: all 0.3s;
}

/* ===== Hero Section ===== */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

/* Skolkovo Badge in Hero */
.hero-skolkovo-badge {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.95);
    padding: 1rem 2rem;
    border-radius: 50px;
    margin-bottom: 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 10px 30px rgba(255, 107, 0, 0.3);
    }
    50% {
        box-shadow: 0 10px 40px rgba(255, 107, 0, 0.5);
    }
}

.skolkovo-logo {
    flex-shrink: 0;
}

.skolkovo-text {
    display: flex;
    flex-direction: column;
    text-align: left;
    color: var(--text-color);
}

.skolkovo-text strong {
    font-size: 1.125rem;
    color: #FF6B00;
    font-weight: 700;
}

.skolkovo-text span {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

/* Important Notice in Hero */
.hero-important-notice {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: rgba(255, 193, 7, 0.15);
    border: 2px solid rgba(255, 193, 7, 0.8);
    border-radius: 12px;
    padding: 1.25rem;
    margin: 2rem auto;
    max-width: 700px;
    text-align: left;
    backdrop-filter: blur(10px);
}

.notice-icon {
    font-size: 1.75rem;
    flex-shrink: 0;
    line-height: 1;
}

.notice-text {
    flex: 1;
}

.notice-text strong {
    display: block;
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: #fbbf24;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-title .highlight {
    color: #fbbf24;
    text-shadow: 0 2px 10px rgba(251, 191, 36, 0.3);
}

.hero-title .price-highlight {
    color: #34d399;
    text-shadow: 0 2px 10px rgba(52, 211, 153, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.hero-feature-icon {
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
}

.hero-cta {
    margin-top: 2rem;
}

.hero-cta-note {
    margin-top: 1rem;
    font-size: 0.875rem;
    opacity: 0.9;
}

/* ===== Skolkovo Section ===== */
.skolkovo-section {
    padding: 3rem 0;
    background: linear-gradient(135deg, #fff5eb 0%, #ffe4cc 100%);
}

.skolkovo-banner {
    display: flex;
    align-items: center;
    gap: 2rem;
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border-left: 6px solid #FF6B00;
}

.skolkovo-icon {
    flex-shrink: 0;
}

.skolkovo-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.skolkovo-content p {
    line-height: 1.7;
    color: var(--text-light);
}

.skolkovo-content strong {
    color: #FF6B00;
    font-weight: 700;
}

.benefit-card.skolkovo-card {
    background: linear-gradient(135deg, #fff5eb 0%, #ffe4cc 100%);
    border: 2px solid #FF6B00;
}

.benefit-card.skolkovo-card h3 {
    color: #FF6B00;
}

/* Skolkovo Certificate Section */
.skolkovo-certificate-wrapper {
    margin-top: 2.5rem;
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 2px solid #f0f0f0;
    transition: all 0.3s ease;
}

.skolkovo-certificate-wrapper:hover {
    box-shadow: 0 8px 30px rgba(255, 107, 0, 0.15);
    border-color: #FF6B00;
}

.certificate-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.certificate-header h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0;
}

.certificate-image {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    background: #f8f9fa;
}

.certificate-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.certificate-image:hover img {
    transform: scale(1.02);
}

.certificate-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 100%);
    padding: 2rem 1.5rem 1.5rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.certificate-zoom {
    background: white;
    color: #1a1a1a;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
}

.certificate-zoom:hover {
    background: #FF6B00;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 107, 0, 0.4);
}

.certificate-note {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 1rem;
    color: #34d399;
    font-weight: 600;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.125rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* ===== Sections ===== */
section {
    padding: 4rem 0;
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
}

/* ===== Offer Section ===== */
.offer {
    background: var(--bg-light);
}

.comparison-cards {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.comparison-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    text-align: center;
    min-width: 280px;
    flex: 1;
    max-width: 350px;
}

.comparison-card.highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.comparison-badge {
    display: inline-block;
    background: var(--bg-gray);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.comparison-badge.special {
    background: rgba(255, 255, 255, 0.2);
    color: #fbbf24;
}

.comparison-price {
    margin: 1.5rem 0;
}

.price-old {
    font-size: 2rem;
    font-weight: 700;
    text-decoration: line-through;
    color: var(--text-light);
    display: block;
}

.price-new {
    font-size: 3rem;
    font-weight: 800;
    color: #34d399;
    display: block;
}

.price-per {
    display: block;
    font-size: 0.875rem;
    margin-top: 0.5rem;
    opacity: 0.8;
}

.comparison-total {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.comparison-card.highlight .comparison-total {
    border-top-color: rgba(255, 255, 255, 0.2);
}

.discount {
    color: #34d399;
    font-size: 1.25rem;
}

.comparison-arrow {
    font-size: 3rem;
    color: var(--primary-color);
    font-weight: 700;
}

.comparison-feature {
    margin-top: 1rem;
    font-size: 1.125rem;
    font-weight: 600;
}

.offer-details {
    max-width: 800px;
    margin: 3rem auto 0;
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.offer-details h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.offer-list {
    list-style: none;
    padding: 0;
}

.offer-list li {
    padding: 0.75rem 0;
    font-size: 1.0625rem;
    line-height: 1.6;
}

/* ===== Courses Section ===== */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.course-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s, box-shadow 0.3s;
}

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

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

.course-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.course-hours {
    display: inline-block;
    background: var(--bg-light);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.course-topics {
    list-style: none;
    padding: 0;
}

.course-topics li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
    font-size: 0.9375rem;
}

.course-topics li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.courses-note {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    font-size: 1.125rem;
}

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

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

.benefit-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: center;
}

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

.benefit-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.benefit-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* ===== How It Works Section ===== */
.steps {
    max-width: 900px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    align-items: flex-start;
}

.step-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.step-content p {
    color: var(--text-light);
    line-height: 1.7;
}

/* ===== FAQ Section ===== */
.faq {
    background: var(--bg-light);
}

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

.faq-item {
    background: white;
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-color);
}

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

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: transform 0.3s;
}

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

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

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* ===== CTA Section ===== */
.cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content > p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-price {
    margin: 2rem 0;
}

.cta-price-box {
    display: inline-flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.2);
    padding: 2rem 3rem;
    border-radius: 16px;
    backdrop-filter: blur(10px);
}

.cta-price-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.9;
}

.cta-price-value {
    font-size: 3.5rem;
    font-weight: 800;
    color: #34d399;
    text-shadow: 0 2px 10px rgba(52, 211, 153, 0.3);
}

.cta-price-desc {
    font-size: 1rem;
    opacity: 0.9;
}

.cta-contacts {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-contacts p {
    margin-bottom: 1rem;
    opacity: 0.9;
}

.cta-phone, .cta-email {
    display: block;
    color: white;
    font-size: 1.25rem;
    font-weight: 600;
    text-decoration: none;
    margin: 0.5rem 0;
}

.cta-phone:hover, .cta-email:hover {
    text-decoration: underline;
}

/* ===== Footer ===== */
.footer {
    background: var(--text-color);
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-column h4 {
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.footer-column p {
    margin-bottom: 0.5rem;
    opacity: 0.8;
    line-height: 1.6;
}

.footer-column a {
    color: white;
    text-decoration: none;
}

.footer-column a:hover {
    text-decoration: underline;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    opacity: 0.7;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.7;
    font-size: 0.875rem;
}

.footer-links a:hover {
    opacity: 1;
}

/* ===== Modal ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: white;
    border-radius: 16px;
    padding: 2rem;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-light);
    line-height: 1;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.modal-close:hover {
    background: var(--bg-light);
    color: var(--text-color);
}

.modal-content h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.modal-content > p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

/* ===== Forms ===== */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.form-checkbox input {
    margin-top: 0.25rem;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-checkbox label {
    font-size: 0.875rem;
    color: var(--text-light);
    cursor: pointer;
}

.form-message {
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.form-message.success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.form-message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-skolkovo-badge {
        flex-direction: column;
        padding: 1rem;
        gap: 0.75rem;
    }
    
    .skolkovo-text {
        text-align: center;
    }
    
    .hero-important-notice {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 1rem;
    }
    
    .notice-text strong {
        font-size: 1rem;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .comparison-arrow {
        display: none;
    }
    
    .comparison-card {
        max-width: 100%;
    }
    
    .skolkovo-banner {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }
    
    .skolkovo-content h3 {
        font-size: 1.25rem;
    }
    
    .step {
        flex-direction: column;
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .cta-price-value {
        font-size: 2.5rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }
    
    .btn-large {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    .courses-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        padding: 1.5rem;
    }
}

/* Certificate Modal */
.certificate-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.certificate-modal.active {
    display: flex;
}

.certificate-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.certificate-modal-content {
    position: relative;
    max-width: 95vw;
    max-height: 95vh;
    z-index: 1;
    animation: zoomIn 0.3s ease;
}

.certificate-modal-content img {
    width: 100%;
    height: auto;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
}

.certificate-modal-close {
    position: absolute;
    top: -3rem;
    right: 0;
    background: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    color: #1a1a1a;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.certificate-modal-close:hover {
    background: #FF6B00;
    color: white;
    transform: rotate(90deg);
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Mobile responsiveness for certificate modal */
@media (max-width: 768px) {
    .certificate-modal {
        padding: 1rem;
    }
    
    .certificate-modal-close {
        top: -2.5rem;
        width: 35px;
        height: 35px;
        font-size: 1.25rem;
    }
}