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

:root {
    /* Cores */
    --primary-blue: #2563eb;
    --primary-green: #10b981;
    --bg-light: #fafafa;
    --bg-white: #ffffff;
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --text-light: #9ca3af;
    --border-light: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Tipografia */
    --font-display: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Espaçamento */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Bordas */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transições */
    --transition-fast: 0.15s ease-out;
    --transition-normal: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 2.5rem;
    font-weight: 800;
}

h2 {
    font-size: 2rem;
    font-weight: 700;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

@media (min-width: 768px) {
    h1 {
        font-size: 3.5rem;
    }
    
    h2 {
        font-size: 2.5rem;
    }
    
    h3 {
        font-size: 1.75rem;
    }
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    color: var(--text-dark);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -var(--spacing-sm);
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    border-radius: var(--radius-sm);
}

/* Botões */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-lg);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-primary:active {
    transform: translateY(0);
}

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

.btn-secondary:hover {
    background: var(--primary-blue);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

.cta-secondary {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.cta-secondary:hover {
    color: var(--primary-green);
}

/* Ícones */
.whatsapp-icon {
    width: 20px;
    height: 20px;
}

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

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-dark);
    text-decoration: none;
}

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

.nav {
    display: none;
    gap: var(--spacing-lg);
}

.nav a {
    color: var(--text-gray);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

@media (min-width: 768px) {
    .nav {
        display: flex;
    }
}

/* Hero Section */
.hero {
    padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    background: linear-gradient(135deg, var(--bg-white) 0%, var(--bg-light) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: -50%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(37, 99, 235, 0.05) 100%);
    transform: skewX(-15deg);
}

.hero-content {
    display: grid;
    gap: var(--spacing-2xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.chip {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
}

.hero-cta {
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-image {
    text-align: center;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

@media (min-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-3xl);
    }
    
    .hero-subtitle {
        font-size: 1.375rem;
    }
}

/* Como Funciona */
.how-it-works {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-white);
}

.steps-container {
    display: grid;
    gap: var(--spacing-2xl);
}

.steps {
    display: grid;
    gap: var(--spacing-xl);
}

.step {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--bg-light);
    border-radius: var(--radius-xl);
    position: relative;
    transition: transform var(--transition-normal);
}

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

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
}

.step-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.step h3 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

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

.legal-notice {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(16, 185, 129, 0.1));
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-blue);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.notice-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .steps {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-lg);
    }
    
    .steps-container {
        grid-template-columns: 2fr 1fr;
        align-items: start;
    }
}

/* Dispositivos */
.devices {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-light);
}

.devices-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.device-card {
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.device-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.device-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.device-card h3 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.device-card p {
    color: var(--text-gray);
    font-size: 0.875rem;
}

.internet-requirements {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--border-light);
}

@media (min-width: 768px) {
    .devices-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .devices-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Planos */
.plans {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-white);
}

.plans-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.plan-card {
    background: var(--bg-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    position: relative;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.plan-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.plan-card.featured {
    background: var(--bg-white);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-lg);
    transform: scale(1.05);
}

.plan-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-xl);
    font-size: 0.75rem;
    font-weight: 600;
}

.plan-card h3 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-lg);
}

.price span {
    font-size: 1rem;
    color: var(--text-gray);
    font-weight: 500;
}

.plan-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
}

.plan-features li {
    padding: var(--spacing-xs) 0;
    color: var(--text-gray);
}

.plans-disclaimer {
    text-align: center;
    color: var(--text-light);
    font-size: 0.875rem;
    font-style: italic;
}

@media (min-width: 768px) {
    .plans-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Vantagens */
.advantages {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-light);
}

.advantages-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.advantage-card {
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.advantage-card h3 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.advantage-card p {
    color: var(--text-gray);
}

@media (min-width: 768px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .advantages-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* FAQ */
.faq {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-white);
}

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

.faq-item {
    border-bottom: 1px solid var(--border-light);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-lg) 0;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color var(--transition-fast);
}

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

.faq-icon {
    font-size: 1.5rem;
    transition: transform var(--transition-normal);
}

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

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

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

.faq-answer p {
    padding-bottom: var(--spacing-lg);
    color: var(--text-gray);
    line-height: 1.6;
}

/* Depoimentos */
.testimonials {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-light);
}

.testimonials-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.testimonial-card {
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

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

.testimonial-stars {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.testimonial-card p {
    color: var(--text-gray);
    font-style: italic;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.testimonial-author strong {
    color: var(--text-dark);
    display: block;
}

.testimonial-author span {
    color: var(--text-light);
    font-size: 0.875rem;
}

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Chamada Final */
.final-cta {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: white;
    text-align: center;
}

.final-cta-content h2 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.final-cta-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

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

.final-cta .btn-primary:hover {
    background: var(--bg-light);
    transform: translateY(-3px);
}

/* Rodapé */
.footer {
    background: var(--text-dark);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand .logo {
    color: white;
    margin-bottom: var(--spacing-sm);
}

.footer-brand p {
    color: var(--text-light);
}

.footer-links h4,
.footer-contact h4 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

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

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

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

.footer-links a:hover {
    color: var(--primary-green);
}

.whatsapp-contact {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--primary-green);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.whatsapp-contact:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-light);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.footer-disclaimer {
    font-style: italic;
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--bg-white);
    margin: 15% auto;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 400px;
    position: relative;
    animation: modalSlideIn 0.3s ease-out;
}

.close {
    position: absolute;
    right: var(--spacing-md);
    top: var(--spacing-md);
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    color: var(--text-gray);
    transition: color var(--transition-fast);
}

.close:hover {
    color: var(--text-dark);
}

.modal-content h3 {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.modal-content form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.modal-content input {
    padding: var(--spacing-sm);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.modal-content input:focus {
    outline: none;
    border-color: var(--primary-blue);
}

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

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

/* Acessibilidade */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus states para acessibilidade */
button:focus,
a:focus,
input:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Responsividade adicional */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero {
        padding: calc(80px + var(--spacing-lg)) 0 var(--spacing-lg);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .price {
        font-size: 2rem;
    }
}