/* Reset e Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Header */
.header {
    background: #000000;
    padding: 1rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 60px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.logo-img {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.1);
}

.logo-text {
    font-size: 1.6rem;
    font-weight: 800;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.header-cta {
    flex-shrink: 0;
}

.btn-header {
    background: linear-gradient(135deg, #00b894, #00a085);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 184, 148, 0.3);
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block;
}

.btn-header:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 184, 148, 0.4);
    background: linear-gradient(135deg, #00a085, #008f75);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 120px 0 80px;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="1" fill="white" opacity="0.1"/><circle cx="10" cy="90" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.highlight {
    color: #ffd700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    line-height: 1.6;
}

.benefits-quick {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 3rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.benefit-item i {
    font-size: 1.5rem;
    color: #ffd700;
}

.cta-section {
    text-align: center;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
    padding: 20px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 8px 30px rgba(255, 107, 107, 0.4);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(255, 107, 107, 0.6);
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.cta-subtitle {
    margin-top: 1rem;
    font-size: 1rem;
    opacity: 0.9;
}

/* Video Section */
.video-container {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.hero-video-player {
    width: 100%;
    height: auto;
    display: block;
}

.video-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.9);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.video-overlay:hover {
    transform: translate(-50%, -50%) scale(1.1);
}

.video-overlay i {
    font-size: 2rem;
    color: #667eea;
    margin-left: 5px;
}

/* Social Proof */
.social-proof {
    padding: 80px 0;
    background: #f8f9fa;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #2d3436;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
}

.testimonial:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.testimonial-img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
    border: 4px solid #00b894;
}

.testimonial-content p {
    font-size: 1.1rem;
    margin-bottom: 15px;
    font-style: italic;
    color: #555;
}

.testimonial-name {
    font-weight: 600;
    color: #00b894;
}

/* Benefits Section */
.benefits {
    padding: 80px 0;
    background: white;
}

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

.benefit-card {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #dee2e6;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    background: linear-gradient(135deg, #00b894, #00a085);
    color: white;
}

.benefit-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #00b894, #00a085);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.benefit-card:hover .benefit-icon {
    background: white;
}

.benefit-icon i {
    font-size: 2rem;
    color: white;
    transition: all 0.3s ease;
}

.benefit-card:hover .benefit-icon i {
    color: #00b894;
}

.benefit-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #2d3436;
    transition: all 0.3s ease;
}

.benefit-card:hover h3 {
    color: white;
}

.benefit-card p {
    font-size: 1rem;
    line-height: 1.6;
    color: #636e72;
    transition: all 0.3s ease;
}

.benefit-card:hover p {
    color: rgba(255, 255, 255, 0.9);
}

/* Not Student Section */
.not-student {
    padding: 80px 0;
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
}

.not-student-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.not-student h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #2d3436;
}

.not-student p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: #636e72;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 3rem;
}

.step {
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 15px;
}

.step p {
    font-size: 1rem;
    color: #2d3436;
}

/* How It Works */
.how-it-works {
    padding: 80px 0;
    background: white;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.step-card {
    background: #f8f9fa;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.step-card:hover {
    border-color: #00b894;
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(0, 184, 148, 0.1);
}

.step-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.step-icon i {
    font-size: 2rem;
    color: white;
}

.step-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #2d3436;
}

.plans {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.plan {
    background: white;
    padding: 15px;
    border-radius: 10px;
    border: 1px solid #dee2e6;
}

/* FAQ Section */
.faq {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.faq-item {
    background: white;
    margin-bottom: 20px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.faq-question {
    padding: 25px 30px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: #f8f9fa;
}

.faq-question h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2d3436;
}

.faq-question i {
    color: #00b894;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 30px 25px;
    max-height: 200px;
}

.faq-answer p {
    color: #636e72;
    line-height: 1.6;
}

/* Final CTA */
.final-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #2d3436 0%, #636e72 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.pricing-card {
    background: white;
    color: #2d3436;
    padding: 40px 30px;
    border-radius: 20px;
    position: relative;
    transition: all 0.3s ease;
    border: 3px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.pricing-card.featured {
    border-color: #ffd700;
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #ffd700, #ffb700);
    color: #2d3436;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: 30px;
}

.currency {
    font-size: 1.5rem;
    font-weight: 600;
}

.amount {
    font-size: 4rem;
    font-weight: 800;
    color: #00b894;
}

.cents {
    font-size: 2rem;
    font-weight: 600;
}

.pricing-features {
    list-style: none;
    margin-bottom: 30px;
}

.pricing-features li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-features i {
    color: #00b894;
    font-size: 1.2rem;
}

.btn-pricing {
    display: block;
    background: linear-gradient(135deg, #00b894, #00a085);
    color: white;
    padding: 15px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.btn-pricing:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 184, 148, 0.4);
}

.security-badges {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.badge {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    padding: 15px 25px;
    border-radius: 25px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.badge i {
    color: #ffd700;
    font-size: 1.2rem;
}

/* Footer */
.footer {
    background: #2d3436;
    color: white;
    padding: 40px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.footer-logo-img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #00b894;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #636e72;
    opacity: 0.8;
}

/* Device-specific styles */
.desktop .header .container {
    flex-direction: row !important;
    justify-content: space-between !important;
    text-align: left !important;
    flex-wrap: nowrap !important;
}

.desktop .hero-content {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 60px !important;
    align-items: center !important;
    text-align: left !important;
}

.desktop .hero {
    padding: 120px 0 80px !important;
}

.tablet .header .container {
    flex-direction: row !important;
    justify-content: space-between !important;
    flex-wrap: nowrap !important;
}

.tablet .hero-content {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 40px !important;
    text-align: center !important;
}

.mobile .header .container {
    flex-direction: column !important;
    justify-content: center !important;
    text-align: center !important;
    flex-wrap: wrap !important;
    gap: 15px !important;
}

.mobile .hero {
    padding: 140px 0 60px !important;
}

.mobile .hero-content {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 30px !important;
    text-align: center !important;
}

.mobile .logo {
    margin-bottom: 10px !important;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .header {
        padding: 0.8rem 0;
    }
    
    .header .container {
        justify-content: center;
        text-align: center;
    }
    
    .logo {
        margin-bottom: 10px;
    }
    
    .btn-header {
        padding: 10px 18px;
        font-size: 0.85rem;
    }
    
    .hero {
        padding: 140px 0 60px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .benefits-quick {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .benefit-item {
        padding: 12px;
        font-size: 0.9rem;
    }
    
    .btn-primary {
        padding: 18px 30px;
        font-size: 1.1rem;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .benefit-card {
        padding: 35px 25px;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .security-badges {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
    
    .cta-content h2 {
        font-size: 2.2rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .not-student h2 {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }
    
    .header {
        padding: 0.7rem 0;
    }
    
    .header .container {
        flex-direction: column;
        gap: 12px;
    }
    
    .logo-img {
        width: 40px;
        height: 40px;
    }
    
    .logo-text {
        font-size: 1.4rem;
    }
    
    .btn-header {
        padding: 8px 16px;
        font-size: 0.8rem;
        border-radius: 20px;
    }
    
    .hero {
        padding: 120px 0 50px;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .btn-primary {
        padding: 15px 25px;
        font-size: 1rem;
        border-radius: 30px;
    }
    
    .benefit-card,
    .step-card {
        padding: 25px 15px;
    }
    
    .testimonial {
        padding: 20px 15px;
    }
    
    .pricing-card {
        padding: 25px 15px;
    }
    
    .amount {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 1.8rem;
        line-height: 1.3;
    }
    
    .cta-content h2 {
        font-size: 1.8rem;
        line-height: 1.3;
    }
    
    .not-student h2 {
        font-size: 1.8rem;
        line-height: 1.3;
    }
    
    .benefit-icon,
    .step-icon {
        width: 60px;
        height: 60px;
    }
    
    .benefit-icon i,
    .step-icon i {
        font-size: 1.5rem;
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .video-overlay {
        width: 60px;
        height: 60px;
    }
    
    .video-overlay i {
        font-size: 1.5rem;
    }
    
    .badge {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    .faq-question {
        padding: 20px 15px;
    }
    
    .faq-answer {
        padding: 0 15px;
    }
    
    .faq-item.active .faq-answer {
        padding: 0 15px 20px;
    }
}

@media (max-width: 360px) {
    .container {
        padding: 0 10px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .cta-content h2 {
        font-size: 1.6rem;
    }
    
    .btn-primary {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    .pricing-card {
        padding: 20px 10px;
    }
    
    .amount {
        font-size: 2.5rem;
    }
}