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

html {
    scroll-behavior: smooth;
}

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;
}

/* Variables CSS */
:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --text-color: #334155;
    --text-light: #64748b;
    --border-color: #e2e8f0;
    --gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* Utilities */
.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.section-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 16px;
}

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

.section-header h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--dark-color);
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo h2 {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.cta-button {
    background: var(--gradient) !important;
    color: white !important;
    padding: 10px 20px !important;
    border-radius: 25px !important;
    transition: transform 0.3s ease !important;
}

.cta-button:hover {
    transform: translateY(-2px);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 20px 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--dark-color);
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.stat h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.stat p {
    color: var(--text-light);
    font-size: 14px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    align-items: center;
}

.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Hero Image */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    position: relative;
}

.phone {
    width: 280px;
    height: 560px;
    background: linear-gradient(145deg, #2d3748, #1a202c);
    border-radius: 30px;
    padding: 20px;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.phone::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: #4a5568;
    border-radius: 2px;
}

.screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 20px;
    overflow: hidden;
}

.app-preview {
    padding: 20px;
    height: 100%;
}

.app-header {
    text-align: center;
    margin-bottom: 30px;
}

.app-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark-color);
}

.app-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.feature-card {
    background: var(--gradient);
    color: white;
    padding: 20px 15px;
    border-radius: 15px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
}

/* Floating Elements */
.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-element {
    position: absolute;
    background: var(--gradient);
    border-radius: 50%;
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.element-1 {
    width: 100px;
    height: 100px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.element-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.element-3 {
    width: 80px;
    height: 80px;
    top: 80%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* About Section */
.about {
    padding: 100px 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s ease;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: white;
    font-size: 2rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--dark-color);
}

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

/* Modules Section */
.modules {
    padding: 100px 0;
    background: var(--light-color);
}

.modules-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.module-item {
    display: flex;
    gap: 30px;
    margin-bottom: 60px;
    position: relative;
}

.module-item::after {
    content: '';
    position: absolute;
    left: 35px;
    top: 80px;
    width: 2px;
    height: calc(100% + 20px);
    background: var(--border-color);
}

.module-item:last-child::after {
    display: none;
}

.module-number {
    width: 70px;
    height: 70px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.module-content {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    flex: 1;
}

.module-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--dark-color);
}

.module-content p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.module-content ul {
    list-style: none;
    margin-bottom: 20px;
}

.module-content li {
    color: var(--text-color);
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

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

.module-duration {
    display: inline-block;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    padding: 6px 12px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
}

/* Professors Section */
.professors {
    padding: 100px 0;
    background: white;
}

.professors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.professor-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.professor-card:hover {
    transform: translateY(-10px);
}

.professor-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.professor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.professor-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient);
    color: white;
    padding: 8px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}

.professor-info {
    padding: 30px;
}

.professor-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark-color);
}

.professor-title {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 16px;
}

.professor-description {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 20px;
}

.professor-social {
    display: flex;
    gap: 15px;
}

.professor-social a {
    width: 40px;
    height: 40px;
    background: var(--light-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.professor-social a:hover {
    background: var(--gradient);
    color: white;
    transform: translateY(-2px);
}

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
    background: var(--light-color);
}

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

.testimonial-card {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
}

.testimonial-rating i {
    color: #fbbf24;
}

.testimonial-content p {
    color: var(--text-color);
    line-height: 1.6;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-author h4 {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 4px;
}

.testimonial-author span {
    color: var(--text-light);
    font-size: 14px;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: var(--dark-color);
    position: relative;
    overflow: hidden;
}

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

.cta-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
}

.cta-text p {
    color: #cbd5e1;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 30px;
}

.cta-features {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
}

.cta-feature i {
    color: var(--accent-color);
}

.cta-form {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.interest-form h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark-color);
}

.interest-form > p {
    color: var(--text-light);
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 16px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn-submit {
    width: 100%;
    background: var(--gradient);
    color: white;
    border: none;
    padding: 16px 32px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-submit:hover {
    transform: translateY(-2px);
}

.form-disclaimer {
    text-align: center;
    color: var(--text-light);
    font-size: 14px;
    margin-top: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.cta-background .floating-element {
    background: rgba(99, 102, 241, 0.1);
}

/* Footer */
.footer {
    background: #0f172a;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    color: white;
}

.footer-section h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-section p {
    color: #cbd5e1;
    line-height: 1.6;
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-color);
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    color: #cbd5e1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 20px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 20px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .phone {
        width: 250px;
        height: 500px;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .features-grid,
    .professors-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .module-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .module-item::after {
        display: none;
    }
    
    .cta-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .cta-text {
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .feature-card,
    .module-content,
    .professor-info,
    .testimonial-card,
    .cta-form {
        padding: 20px;
    }
    
    .cta-text h2 {
        font-size: 2rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card,
.module-item,
.professor-card,
.testimonial-card {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus styles for accessibility */
button:focus,
input:focus,
select:focus,
a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .header,
    .cta-section,
    .footer {
        display: none;
    }
}