:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --secondary-color: #ec4899;
    --dark-color: #0f172a;
    --light-color: #f8fafc;
    --text-main: #334155;
    --text-muted: #64748b;
    --white: #ffffff;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --container-width: 1200px;
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.container.narrow {
    max-width: 800px;
}

/* Typography */
h1, h2, h3, h4 {
    color: var(--dark-color);
    font-weight: 800;
    line-height: 1.2;
}

span {
    color: var(--primary-color);
}

/* Navbar */
.navbar {
    padding: 20px 0;
    background: var(--white);
    border-bottom: 1px solid #f1f5f9;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.2);
}

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

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

/* Hero Section */
.hero {
    padding: 100px 0;
    background: radial-gradient(circle at top right, #f5f3ff, #ffffff);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: #fdf2f8;
    color: var(--secondary-color);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 20px;
}

.hero-content h2 {
    font-size: 3.5rem;
    margin-bottom: 24px;
}

.lead {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.input-group {
    display: flex;
    gap: 12px;
    background: var(--white);
    padding: 8px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid #f1f5f9;
}

.input-group input {
    flex: 1;
    padding: 12px 20px;
    border: none;
    outline: none;
    font-size: 1rem;
    background: transparent;
}

.form-hint {
    margin-top: 15px;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.hero-main-img {
    width: 100%;
    height: auto;
    border-radius: 24px;
    box-shadow: 20px 20px 60px rgba(99, 102, 241, 0.1);
    display: block;
}

.floating-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 5;
}

.main-image {
    position: relative;
}

/* Visuals */
.hero-visual {
    position: relative;
}

.image-placeholder {
    width: 100%;
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    border-radius: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 20px 20px 60px rgba(99, 102, 241, 0.1);
}

.play-button {
    width: 80px;
    height: 80px;
    background: var(--white);
    border-radius: 50%;
    position: relative;
}

.play-button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 55%;
    transform: translate(-50%, -50%);
    border-style: solid;
    border-width: 12px 0 12px 20px;
    border-color: transparent transparent transparent var(--primary-color);
}

.floating-card {
    position: absolute;
    top: -30px;
    left: -30px;
    background: var(--white);
    padding: 20px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: var(--shadow);
    z-index: 10;
}

.floating-card .icon {
    font-size: 2rem;
}

/* Sections General */
section {
    padding: 80px 0;
}

.problem {
    padding: 40px 0;
    background: #fff;
}

.problem .section-header {
    margin-bottom: 30px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

/* Benefits Pro Section */
.benefits-pro {
    background: #ffffff;
    padding: 100px 0;
}

.pre-title {
    display: block;
    color: var(--primary-color);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    margin-bottom: 10px;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.benefit-item {
    display: flex;
    gap: 20px;
    padding: 30px;
    background: #fcfcfd;
    border-radius: 24px;
    border: 1px solid #f1f5f9;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.benefit-item:hover {
    transform: translateY(-5px);
    background: #ffffff;
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.1);
}

.benefit-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    background: #ffffff;
    width: 70px;
    height: 70px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 20px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.03);
}

.benefit-body h3 {
    font-size: 1.35rem;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.benefit-body p {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .benefit-item {
        flex-direction: column;
        text-align: center;
    }
    .benefit-icon {
        margin: 0 auto 15px;
    }
}

/* Curriculum */
.curriculum-wrapper {
    background: var(--dark-color);
    border-radius: 32px;
    padding: 60px;
    color: var(--white);
}

.curriculum-wrapper h2, .curriculum-wrapper p {
    color: var(--white);
}

.modules {
    margin-top: 40px;
    display: grid;
    gap: 20px;
}

.module-item {
    display: flex;
    gap: 24px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.module-item .number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.module-item h4 {
    color: var(--white);
    margin-bottom: 8px;
}

/* FAQ */
.faq-list {
    display: grid;
    gap: 20px;
}

.faq-card {
    background: #f8fafc;
    padding: 30px;
    border-radius: 20px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.faq-card:hover {
    background: var(--white);
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
}

.faq-card h4 {
    margin-bottom: 12px;
    color: var(--dark-color);
    font-size: 1.1rem;
}

.faq-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Final CTA */
.cta-final {
    background: var(--light-color);
}

.cta-card {
    background: var(--primary-color);
    border-radius: 32px;
    padding: 80px 40px;
    text-align: center;
    color: var(--white);
}

.cta-card h2 {
    color: var(--white);
    font-size: 3rem;
    margin-bottom: 16px;
}

.cta-card p {
    margin-bottom: 40px;
    font-size: 1.25rem;
    opacity: 0.9;
}

.cta-card .input-group {
    max-width: 600px;
    margin: 0 auto;
}

/* Footer */
footer {
    padding: 60px 0;
    border-top: 1px solid #f1f5f9;
}

.footer-content {
    text-align: center;
}

.footer-links {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 30px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
}

/* Modal Popup Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(5px);
    display: none; /* Hidden by default */
    justify-content: center;
    align-items: center;
    z-index: 9999;
    padding: 20px;
}

.pro-popup {
    background: var(--white);
    max-width: 800px;
    width: 100%;
    border-radius: 32px;
    position: relative;
    overflow: hidden;
    animation: popupSlideIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes popupSlideIn {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.close-popup {
    position: absolute;
    top: 20px;
    right: 20px;
    background: #f1f5f9;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
    color: var(--text-muted);
}

.pro-popup.single-column {
    max-width: 550px;
    text-align: center;
}

.pro-popup.single-column .popup-content {
    padding: 50px 40px;
}

.pro-popup.single-column h3 {
    font-size: 2.2rem;
    line-height: 1.2;
}

.pro-popup.single-column .popup-badge {
    margin: 0 auto 20px;
}

.popup-badge {
    background: #fdf2f8;
    color: var(--secondary-color);
    padding: 5px 12px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    display: inline-block;
}

.popup-content h3 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.popup-content p {
    color: var(--text-muted);
    margin-bottom: 25px;
}

#subscribe-form-popup input {
    width: 100%;
    padding: 15px 20px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    margin-bottom: 15px;
    font-size: 1rem;
    outline-color: var(--primary-color);
}

.btn-full {
    width: 100%;
}

.popup-footerText {
    font-size: 0.8rem;
    margin-top: 15px;
    text-align: center;
    opacity: 0.7;
}

@media (max-width: 768px) {
    .popup-grid {
        grid-template-columns: 1fr;
    }
    .popup-image {
        display: none;
    }
    .popup-content {
        padding: 40px 25px;
    }
}

#response-message.success { color: #10b981; }
#response-message.error { color: #ef4444; }

/* Responsive */
@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content h2 {
        font-size: 2.5rem;
    }
    
    .input-group {
        flex-direction: column;
        background: transparent;
        box-shadow: none;
        border: none;
    }
    
    .input-group input {
        background: var(--white);
        border: 1px solid #f1f5f9;
        border-radius: 12px;
        margin-bottom: 10px;
        width: 100%;
    }
    
    .hero-visual {
        order: -1;
        margin-bottom: 40px;
    }
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    background-color: #128c7e;
    transform: scale(1.1);
    color: #fff;
}

.whatsapp-float svg {
    width: 35px;
    height: 35px;
}

@media screen and (max-width: 768px) {
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
    }
    .whatsapp-float svg {
        width: 25px;
        height: 25px;
    }
}