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

:root {
    --azul-escuro: #16325B;
    --azul-petroleo: #227B94;
    --azul-claro: #78B7D0;
    --amarelo-suave: #FFDC7F;
    --branco: #FFFFFF;
    --cinza-claro: #F8F9FA;
    --cinza-medio: #6C757D;
    --cinza-escuro: #343A40;
    
    --fonte-principal: 'Lato', sans-serif;
    --fonte-destaque: 'Roboto Mono', monospace;
    
    --sombra-suave: 0 2px 10px rgba(0, 0, 0, 0.1);
    --sombra-media: 0 4px 20px rgba(0, 0, 0, 0.15);
    --sombra-forte: 0 8px 30px rgba(0, 0, 0, 0.2);
    
    --border-radius: 8px;
    --border-radius-large: 16px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--fonte-principal);
    line-height: 1.6;
    color: var(--cinza-escuro);
    background-color: var(--branco);
}

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

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 2rem;
}

h4 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

/* Botões */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-family: var(--fonte-destaque);
    font-weight: 500;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--azul-petroleo), var(--azul-claro));
    color: var(--branco);
    box-shadow: var(--sombra-suave);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--sombra-media);
}

.btn-secondary {
    background-color: var(--amarelo-suave);
    color: var(--azul-escuro);
    box-shadow: var(--sombra-suave);
}

.btn-secondary:hover {
    background-color: #FFD700;
    transform: translateY(-2px);
    box-shadow: var(--sombra-media);
}

.btn-outline {
    background-color: transparent;
    color: var(--azul-petroleo);
    border: 2px solid var(--azul-petroleo);
}

.btn-outline:hover {
    background-color: var(--azul-petroleo);
    color: var(--branco);
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.2rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

.nav {
    padding: 1rem 0;
}

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

.logo h1 {
    font-family: var(--fonte-destaque);
    font-size: 1.8rem;
    color: var(--azul-escuro);
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

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

.nav-buttons {
    display: flex;
    gap: 1rem;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--azul-escuro);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--cinza-claro), var(--branco));
    position: relative;
    overflow: hidden;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--azul-escuro);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--cinza-medio);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* App Mockup */
.app-mockup {
    display: flex;
    justify-content: center;
}

.phone-frame {
    width: 300px;
    height: 600px;
    background: linear-gradient(145deg, #2c3e50, #34495e);
    border-radius: 40px;
    padding: 20px;
    box-shadow: var(--sombra-forte);
    position: relative;
}

.screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--azul-petroleo), var(--azul-claro));
    border-radius: 30px;
    padding: 40px 20px 20px;
    color: white;
}

.app-ui {
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.app-header {
    font-family: var(--fonte-destaque);
    font-size: 1.2rem;
    text-align: center;
    font-weight: 700;
}

.playlist-card {
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    padding: 20px;
    backdrop-filter: blur(10px);
}

.playlist-info h3 {
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.playlist-info p {
    opacity: 0.8;
    margin: 0;
    font-size: 0.9rem;
}

.transfer-arrow {
    text-align: center;
    font-size: 2rem;
    margin: 10px 0;
}

.platforms {
    display: flex;
    gap: 10px;
}

.platform {
    flex: 1;
    padding: 15px 10px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    text-align: center;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
}

/* Seções gerais */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--azul-escuro);
    margin-bottom: 3rem;
}

/* Features */
.features {
    background-color: var(--cinza-claro);
}

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

.feature-card {
    background-color: var(--branco);
    padding: 2rem;
    border-radius: var(--border-radius-large);
    text-align: center;
    box-shadow: var(--sombra-suave);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--sombra-media);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.feature-card h3 {
    color: var(--azul-escuro);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--cinza-medio);
    margin: 0;
}

/* Platforms */
.platforms-content {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 3rem;
    align-items: center;
}

.platform-category h3 {
    text-align: center;
    color: var(--azul-escuro);
    margin-bottom: 2rem;
}

.platform-logos {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.platform-logo {
    padding: 1.5rem;
    background-color: var(--cinza-claro);
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 700;
    color: var(--azul-escuro);
    transition: var(--transition);
}

.platform-logo:hover {
    background-color: var(--azul-claro);
    color: var(--branco);
    transform: translateY(-2px);
}

.transfer-icon {
    font-size: 3rem;
    color: var(--azul-petroleo);
    text-align: center;
}

/* How it works */
.how-it-works {
    background-color: var(--cinza-claro);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.step {
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--azul-petroleo), var(--azul-claro));
    color: var(--branco);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-family: var(--fonte-destaque);
    font-size: 1.5rem;
    font-weight: 700;
}

.step h3 {
    color: var(--azul-escuro);
    margin-bottom: 0.5rem;
}

.step p {
    color: var(--cinza-medio);
    margin: 0;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.testimonial {
    background-color: var(--branco);
    padding: 2rem;
    border-radius: var(--border-radius-large);
    box-shadow: var(--sombra-suave);
    transition: var(--transition);
}

.testimonial:hover {
    transform: translateY(-5px);
    box-shadow: var(--sombra-media);
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-style: italic;
    color: var(--cinza-medio);
    margin: 0;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--azul-petroleo), var(--azul-claro));
    color: var(--branco);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-family: var(--fonte-destaque);
}

.author-info h4 {
    margin: 0;
    color: var(--azul-escuro);
    font-size: 1rem;
}

.author-info span {
    color: var(--cinza-medio);
    font-size: 0.9rem;
}

/* FAQ */
.faq {
    background-color: var(--cinza-claro);
}

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

.faq-item {
    background-color: var(--branco);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: var(--sombra-suave);
}

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

.faq-question:hover {
    background-color: var(--cinza-claro);
}

.faq-icon {
    font-family: var(--fonte-destaque);
    font-size: 1.5rem;
    transition: var(--transition);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
}

.faq-answer p {
    padding: 1.5rem 0;
    margin: 0;
    color: var(--cinza-medio);
    border-top: 1px solid var(--cinza-claro);
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

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

/* Contact */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h3,
.download-section h3 {
    color: var(--azul-escuro);
    margin-bottom: 1rem;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--azul-petroleo);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.contact-link:hover {
    color: var(--azul-escuro);
}

.contact-icon {
    font-size: 1.5rem;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

/* Footer */
.footer {
    background-color: var(--azul-escuro);
    color: var(--branco);
    padding: 3rem 0 1rem;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--amarelo-suave);
}

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

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

.footer-section a {
    color: var(--branco);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--amarelo-suave);
}


.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 1rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Responsividade - Tablet */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .phone-frame {
        width: 250px;
        height: 500px;
    }
    
    .platforms-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .transfer-icon {
        transform: rotate(90deg);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* Responsividade - Mobile */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-menu,
    .nav-buttons {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .platform-logos {
        grid-template-columns: 1fr;
    }
    
    .phone-frame {
        width: 200px;
        height: 400px;
    }
    
    .download-buttons .btn {
        width: 100%;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .phone-frame {
        width: 180px;
        height: 360px;
        padding: 15px;
    }
    
    .screen {
        padding: 30px 15px 15px;
    }
    
    .app-header {
        font-size: 1rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    h3 {
        font-size: 1.5rem;
    }
}