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

:root {
    --primary-blue: #10b981;
    --dark-blue: #059669;
    --light-blue: #34d399;
    --bg-white: #ffffff;
    --bg-gray: #f8fafc;
    --bg-dark: #0f172a;
    --text-dark: #1e293b;
    --text-gray: #64748b;
    --text-light: #94a3b8;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-white);
    color: var(--text-dark);
    line-height: 1.6;
}

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

/* Header */
#header {
    position: fixed; top: 0; left: 0; right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid #e2e8f0;
}

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

.logo h1 {font-size: 1.5rem; font-weight: 800; color: var(--text-dark);}

.highlight {
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

nav ul {display: flex; list-style: none; gap: 2rem;}
nav a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}
nav a:hover {color: var(--primary-blue);}

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

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

/* Hero */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.badge {
    display: inline-block;
    background: var(--primary-blue);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.hero-heading {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.hero-text {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

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

.btn-primary {
    background: var(--primary-blue);
    color: white;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
    background: var(--dark-blue);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
}

.btn-secondary {
    background: white;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

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

.hero-stats {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-item strong {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-blue);
}

.stat-item span {
    font-size: 0.9rem;
    color: var(--text-gray);
}

.visual-card {
    position: relative;
    width: 100%;
    height: 500px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.card-glow {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 300px; height: 300px;
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
}

/* About Section */
.about-section {
    padding: 6rem 0;
    background: var(--bg-white);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-desc {
    font-size: 1.2rem;
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto;
}

.courses-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.showcase-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    border: 2px solid #e2e8f0;
    position: relative;
    transition: all 0.3s;
}

.showcase-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-blue);
}

.primary-card {
    border-color: var(--primary-blue);
    background: linear-gradient(135deg, #eff6ff 0%, white 100%);
}

.card-label {
    position: absolute;
    top: 20px; right: 20px;
    background: var(--primary-blue);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
}

.card-label.extra {
    background: linear-gradient(135deg, #10b981, #059669);
}

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

.showcase-card h3 {
    font-size: 1.6rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

.card-meta {
    color: var(--primary-blue);
    font-weight: 600;
    margin-bottom: 1rem;
}

.card-text {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.card-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.card-skills span {
    background: #eff6ff;
    color: var(--primary-blue);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Benefits Section */
.benefits-section {
    padding: 6rem 0;
    background: var(--bg-gray);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.benefit-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s;
}

.benefit-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-blue);
}

.benefit-icon {font-size: 2.5rem; margin-bottom: 1rem;}

.benefit-item h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

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

/* Content Section */
.content-section {
    padding: 6rem 0;
    background: white;
}

.content-tabs {margin-top: 3rem;}

.tabs-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.tab-link {
    padding: 1rem 2rem;
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    color: var(--text-dark);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.tab-link:hover {border-color: var(--primary-blue);}

.tab-link.active {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
    color: white;
}

.tab-panel {display: none;}
.tab-panel.active {display: block;}

.modules-list {
    max-width: 900px;
    margin: 0 auto;
}

.module-block {
    background: white;
    margin-bottom: 1rem;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    overflow: hidden;
}

.module-toggle {
    width: 100%;
    padding: 1.5rem;
    background: none;
    border: none;
    color: var(--text-dark);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    transition: all 0.3s;
}

.module-toggle:hover {color: var(--primary-blue);}

.toggle-icon {
    font-size: 1.5rem;
    transition: transform 0.3s;
}

.module-block.active .toggle-icon {transform: rotate(45deg);}

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

.module-block.active .module-content {max-height: 1000px;}

.module-content ul {
    list-style: none;
    padding: 0 1.5rem 1.5rem;
}

.module-content li {
    padding: 0.75rem 0;
    color: var(--text-gray);
    border-bottom: 1px solid #e2e8f0;
}

.module-content li:last-child {border-bottom: none;}

/* Experts Section */
.experts-section {
    padding: 6rem 0;
    background: var(--bg-gray);
}

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

.expert-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s;
}

.expert-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.expert-photo {
    width: 120px; height: 120px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--primary-blue);
}

.photo-placeholder {
    width: 100%; height: 100%;
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
}

.expert-info {text-align: center;}

.expert-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

.expert-title {
    color: var(--primary-blue);
    font-weight: 600;
    margin-bottom: 1rem;
}

.expert-desc {
    color: var(--text-gray);
    line-height: 1.8;
    text-align: left;
}

/* Certification Section */
.certification-section {
    padding: 6rem 0;
    background: white;
}

.cert-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.cert-mockup {
    background: white;
    border: 3px solid var(--primary-blue);
    border-radius: 16px;
    padding: 3rem;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.cert-badge {font-size: 4rem; margin-bottom: 1rem;}

.cert-mockup h3 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.cert-divider {
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-blue), transparent);
    margin: 1rem auto;
    width: 80%;
}

.cert-divider.short {width: 50%;}

.cert-hours {
    font-weight: 700;
    color: var(--primary-blue);
    margin-top: 1rem;
}

.cert-info h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.cert-lead {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.cert-benefits {list-style: none;}

.cert-benefits li {
    padding: 0.75rem 0;
    color: var(--text-gray);
    font-size: 1.1rem;
}

.check {
    color: var(--primary-blue);
    font-weight: 700;
    margin-right: 0.5rem;
}

/* Pricing Section */
.pricing-section {
    padding: 6rem 0;
    background: var(--bg-gray);
}

.pricing-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto 3rem;
}

.price-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    border: 2px solid #e2e8f0;
    position: relative;
    transition: all 0.3s;
}

.price-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.featured-price {
    border-color: var(--primary-blue);
    background: linear-gradient(135deg, #eff6ff 0%, white 100%);
}

.popular-tag {
    position: absolute;
    top: -15px; left: 50%;
    transform: translateX(-50%);
    background: var(--primary-blue);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
}

.price-header {
    text-align: center;
    margin-bottom: 2rem;
}

.price-header h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

.price-header p {color: var(--text-gray);}

.price-value {
    text-align: center;
    margin-bottom: 2rem;
}

.currency {font-size: 1.5rem; vertical-align: top;}

.value {
    font-size: 4rem;
    font-weight: 800;
    color: var(--primary-blue);
}

.cents {font-size: 1.5rem;}

.price-features {
    list-style: none;
    margin-bottom: 2rem;
}

.price-features li {
    padding: 0.75rem 0;
    color: var(--text-gray);
    border-bottom: 1px solid #e2e8f0;
}

.price-features li:last-child {border-bottom: none;}

.full-width {width: 100%; text-align: center;}

.security-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    max-width: 500px;
    margin: 0 auto;
}

.badge-icon {font-size: 2.5rem;}

.badge-text strong {
    font-size: 1.2rem;
    color: var(--text-dark);
    display: block;
    margin-bottom: 0.25rem;
}

.badge-text p {
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* FAQ Section */
.faq-section {
    padding: 6rem 0;
    background: white;
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-block {
    background: white;
    margin-bottom: 1rem;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    overflow: hidden;
}

.faq-trigger {
    width: 100%;
    padding: 1.5rem;
    background: none;
    border: none;
    color: var(--text-dark);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    transition: all 0.3s;
}

.faq-trigger:hover {color: var(--primary-blue);}

.faq-arrow {
    font-size: 1.5rem;
    transition: transform 0.3s;
}

.faq-block.active .faq-arrow {transform: rotate(45deg);}

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

.faq-block.active .faq-body {max-height: 500px;}

.faq-body p {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-gray);
    line-height: 1.8;
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-whatsapp {
    background: #25d366;
    color: white;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-whatsapp:hover {
    background: #20ba5a;
}

.btn.large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

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

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

.footer-col h3,
.footer-col h4 {
    margin-bottom: 1rem;
    font-weight: 700;
}

.footer-col p {
    color: var(--text-light);
    line-height: 1.8;
}

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

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

.footer-col a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-col a:hover {color: var(--light-blue);}

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

/* Scroll Top Button */
.scroll-top {
    position: fixed;
    bottom: 30px; right: 30px;
    width: 50px; height: 50px;
    background: var(--primary-blue);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {transform: translateY(-5px);}

/* WhatsApp Bubble */
.whatsapp-bubble {
    position: fixed;
    bottom: 30px; left: 30px;
    width: 60px; height: 60px;
    background: #25d366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all 0.3s;
    text-decoration: none;
}

.whatsapp-bubble:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
}

/* Responsive */
@media (max-width: 768px) {
    nav {
        position: fixed;
        top: 70px; left: -100%;
        width: 100%;
        background: white;
        padding: 2rem;
        transition: left 0.3s;
        border-top: 1px solid #e2e8f0;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }

    nav.active {left: 0;}

    nav ul {flex-direction: column; gap: 1rem;}

    .mobile-toggle {display: flex;}

    .hero-grid,
    .cert-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-heading {font-size: 2.5rem;}

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

    .cta-content h2 {font-size: 2rem;}

    .courses-showcase,
    .benefits-grid,
    .experts-grid,
    .pricing-wrapper {
        grid-template-columns: 1fr;
    }

    .tabs-nav {flex-direction: column;}

    .tab-link {width: 100%;}

    .whatsapp-bubble {
        left: 20px;
        bottom: 90px;
    }

    .scroll-top {
        right: 20px;
        bottom: 20px;
    }
}

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

    .hero-text {font-size: 1rem;}

    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.9rem;
    }

    .value {font-size: 3rem;}
}
