:root {
    --azul-escuro: #002344;
    --azul-medio: #003366;
    --dourado: #957c3d;
    --dourado-claro: #b79a4d;
    --dourado-suave: rgba(149, 124, 61, 0.1);
    --cinza-escuro: #1a1a1a;
    --cinza-medio: #4a5568;
    --cinza-claro: #f7fafc;
    --cinza-borda: #e2e8f0;
    --branco: #ffffff;
    
    --gradiente-azul: linear-gradient(135deg, var(--azul-escuro) 0%, var(--azul-medio) 100%);
    --gradiente-dourado: linear-gradient(135deg, var(--dourado) 0%, var(--dourado-claro) 100%);
    --gradiente-branco: linear-gradient(135deg, var(--branco) 0%, #f9f9f9 100%);
    
    --sombra: 0 4px 6px rgba(0, 35, 68, 0.1);
    --sombra-media: 0 10px 15px rgba(0, 35, 68, 0.1);
    --sombra-forte: 0 20px 25px rgba(0, 35, 68, 0.15);
    --sombra-dourada: 0 4px 12px rgba(149, 124, 61, 0.2);
    
    --fonte-primaria: 'Inter', sans-serif;
    --fonte-secundaria: 'Poppins', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    font-family: var(--fonte-secundaria);
}

.btn-primary {
    background: var(--gradiente-dourado);
    color: var(--branco);
    box-shadow: var(--sombra-dourada);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(149, 124, 61, 0.3);
}

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

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

.btn-modelo {
    width: 100%;
    margin-top: 20px;
    padding: 12px 20px;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 35, 68, 0.05);
    transition: all 0.3s ease;
}

header.scrolled {
    padding: 15px 0;
    box-shadow: var(--sombra);
}

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

.logo {
    display: flex;
    align-items: center;
    font-family: var(--fonte-secundaria);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--azul-escuro);
}

.logo span {
    color: var(--dourado);
}

.logo-img-placeholder {
    width: 40px;
    height: 40px;
    background: var(--gradiente-azul);
    border-radius: 8px;
    margin-right: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--branco);
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.logo-img-placeholder:hover {
    transform: scale(1.05);
}

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

.nav-links a {
    font-weight: 500;
    color: var(--azul-escuro);
    position: relative;
    padding: 5px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--dourado);
    bottom: 0;
    left: 0;
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-buttons {
    display: flex;
    gap: 15px;
    align-items: center;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradiente-azul);
    color: var(--branco);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.social-icon:hover {
    transform: translateY(-2px);
    background: var(--gradiente-dourado);
}

.hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--azul-escuro);
    cursor: pointer;
    padding: 5px;
}

/* Hero */
.hero {
    padding: 160px 0 100px;
    background: var(--gradiente-azul);
    color: var(--branco);
    position: relative;
    overflow: hidden;
}

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

.hero-text h1 {
    font-size: 3rem;
    color: var(--branco);
    margin-bottom: 20px;
}

.highlight {
    color: var(--dourado);
}

.hero-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.hero-features span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    opacity: 0.9;
}

.hero-features i {
    color: var(--dourado);
}

.hero-visual {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.screen-mockup {
    background: var(--branco);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 20px;
}

.screen-header {
    height: 20px;
    background: var(--cinza-claro);
    padding: 0 15px;
    display: flex;
    align-items: center;
}

.screen-dots {
    display: flex;
    gap: 5px;
}

.screen-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ddd;
}

.screen-dots span:nth-child(1) { background: #ff5f57; }
.screen-dots span:nth-child(2) { background: #ffbd2e; }
.screen-dots span:nth-child(3) { background: #28ca42; }

.screen-content {
    padding: 20px;
}

.content-row {
    height: 10px;
    background: var(--cinza-claro);
    border-radius: 5px;
    margin-bottom: 15px;
    width: 100%;
}

.content-row:nth-child(2) { width: 80%; }
.content-row:nth-child(3) { width: 60%; }
.highlight-bar {
    height: 40px;
    width: 50%;
    background: var(--dourado);
    margin-top: 20px;
}

.hero-visual h3 {
    color: var(--branco);
    text-align: center;
    font-size: 1.2rem;
}

/* Seções */
.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 4px;
    background: var(--dourado);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.section-subtitle {
    color: var(--cinza-medio);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

/* Sobre */
.about {
    background: var(--cinza-claro);
}

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

.about-text h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
}

.about-stats {
    display: flex;
    gap: 30px;
    margin-top: 30px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--dourado);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--cinza-medio);
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.feature-card {
    background: var(--branco);
    padding: 25px;
    border-radius: 10px;
    box-shadow: var(--sombra);
    transition: all 0.3s ease;
}

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

.feature-icon {
    width: 50px;
    height: 50px;
    background: var(--gradiente-dourado);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--branco);
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--cinza-medio);
    font-size: 0.95rem;
}

/* Etapas */
.steps-container {
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-bottom: 40px;
    padding: 30px;
    background: var(--branco);
    border-radius: 15px;
    box-shadow: var(--sombra);
    transition: all 0.3s ease;
}

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

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradiente-azul);
    color: var(--branco);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
}

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

.flexible-pricing {
    text-align: center;
    padding: 30px;
    background: linear-gradient(135deg, var(--dourado-suave) 0%, rgba(0, 35, 68, 0.05) 100%);
    border-radius: 15px;
    margin-top: 40px;
}

.flexible-pricing h3 {
    color: var(--dourado);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.flexible-pricing p {
    max-width: 700px;
    margin: 0 auto;
}

/* Modelos */
.models {
    background: var(--cinza-claro);
}

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

.model-card {
    background: var(--branco);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--sombra);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.model-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--sombra-forte);
}

.model-image {
    height: 200px;
    background: var(--gradiente-azul);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--branco);
    font-size: 3rem;
    position: relative;
}

.model-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--dourado);
    color: var(--branco);
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.model-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.model-content h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    min-height: 45px;
}

.model-content > p {
    color: var(--cinza-medio);
    margin-bottom: 20px;
    flex-grow: 1;
}

.model-features {
    margin-bottom: 20px;
}

.model-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.model-features i {
    color: var(--dourado);
    margin-top: 3px;
    flex-shrink: 0;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--branco);
    border-radius: 20px;
    width: 100%;
    max-width: 500px;
    padding: 25px;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--cinza-medio);
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.close-modal:hover {
    background: var(--cinza-claro);
    color: var(--azul-escuro);
}

.modal-content h2 {
    text-align: center;
    margin-bottom: 5px;
}

.modal-content > p {
    text-align: center;
    color: var(--cinza-medio);
    margin-bottom: 15px;
}

.form-group {
    margin-bottom: 12px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--azul-escuro);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--cinza-borda);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--dourado);
    box-shadow: 0 0 0 3px var(--dourado-suave);
}

.form-group textarea {
    min-height: 80px;
    resize: vertical;
}

.form-footer {
    text-align: center;
    margin-top: 12px;
    color: var(--cinza-medio);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* Footer */
footer {
    background: var(--gradiente-azul);
    color: var(--branco);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-column h3 {
    color: var(--branco);
    font-size: 1.3rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    width: 40px;
    height: 3px;
    background: var(--dourado);
    bottom: 0;
    left: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--dourado);
    transform: translateX(5px);
}

.footer-links.contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
}

.footer-links.contact-info i {
    color: var(--dourado);
    margin-top: 3px;
    flex-shrink: 0;
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: var(--branco);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
    z-index: 999;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

/* Animações */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero-content,
    .about-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .hero-buttons,
    .hero-features {
        justify-content: center;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .about-stats {
        justify-content: center;
    }
    
    .models-container {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-buttons {
        display: none;
    }
    
    .hamburger {
        display: block;
    }
    
    .hero {
        padding: 140px 0 80px;
    }
    
    .hero-text h1 {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .models-container {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
}

@media (max-width: 576px) {
    section {
        padding: 60px 0;
    }
    
    .hero-text h1 {
        font-size: 1.8rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .modal-content {
        padding: 30px 20px;
    }
}