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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #0a0a0a;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* --- Tipografia --- */
h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.2rem; }

p {
    margin-bottom: 1rem;
    color: #cccccc;
}

/* --- Botões --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #d4af37, #f4d03f);
    color: #0a0a0a;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #d4af37;
    border: 2px solid #d4af37;
}

.btn-secondary:hover {
    background: #d4af37;
    color: #0a0a0a;
}

.btn-whatsapp {
    background: #25d366;
    color: white;
    font-weight: 600;
    padding: 1.2rem 2rem;
    border-radius: 12px;
}

.btn-whatsapp:hover {
    background: #128c7e;
    transform: translateY(-2px);
}

/* --- Navegação --- */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
    transition: background-color 0.3s ease;
}

.navbar.scrolled {
    background-color: rgba(10, 10, 10, 0.98);
}

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

.nav-brand h2 {
    color: #d4af37;
    margin: 0;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: #cccccc;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #d4af37;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 1001;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #d4af37;
    margin: 3px 0;
    transition: all 0.3s ease;
}

/* --- Seção Hero --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
}

.highlight {
    color: #d4af37;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #d4af37;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

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

.hero-img {
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(212, 175, 55, 0.1);
}

/* --- Estilos Gerais de Seção --- */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-subtitle {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

/* --- Seção Produto --- */
.product-section {
    background: #1a1a1a;
}

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

.product-img {
    border-radius: 15px;
}

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

.feature-item {
    background: rgba(212, 175, 55, 0.05);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-item h3 {
    color: #d4af37;
}

/* --- Seção Vantagens --- */
.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.benefits-img {
    border-radius: 15px;
}

.benefit-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.benefit-icon {
    font-size: 2rem;
    color: #d4af37;
    flex-shrink: 0;
}

.benefit-content h3 {
    color: #d4af37;
}

/* --- Seção Aplicações --- */
.applications-section {
    background: #1a1a1a;
}

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

.applications-img {
    border-radius: 15px;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.application-item {
    background: rgba(212, 175, 55, 0.05);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.application-item h3 {
    color: #d4af37;
    font-size: 1.2rem;
}

/* --- Seção de Ideias Ilustrativas (Carrossel) --- */
.ideas-section {
    background-color: #0a0a0a;
}

.ideas-carousel {
    width: 100%;
    height: auto;
    padding-bottom: 50px; /* Espaço para a paginação */
}

.swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #1c1c1c;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 15px;
    overflow: hidden;
    position: relative;
}

.swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: #fff;
    padding: 30px 20px 15px;
    font-size: 1.2rem;
    font-weight: 500;
    text-align: left;
}

/* Estilização dos controles do Swiper (Setas e Bolinhas) */
.swiper-button-next,
.swiper-button-prev {
    color: #d4af37;
    transition: transform 0.2s ease;
}

.swiper-button-next:hover,
.swiper-button-prev:hover {
    transform: scale(1.2);
}

.swiper-pagination-bullet {
    background: #fff;
    opacity: 0.5;
}

.swiper-pagination-bullet-active {
    background: #d4af37;
    opacity: 1;
}

/* --- Seção Especificações --- */
.specs-content {
    max-width: 1000px;
    margin: 0 auto;
}

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

.spec-category {
    background: #1a1a1a;
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.spec-category h3 {
    color: #d4af37;
    text-align: center;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}
.spec-row:last-child { border-bottom: none; }
.spec-label { font-weight: 500; }
.spec-value { color: #d4af37; font-weight: 600; }

.installation-info h3 { color: #d4af37; text-align: center; }
.installation-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 2rem; }
.installation-item h4 { color: #d4af37; }

/* --- Seção Contato --- */
.contact-section {
    background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
}

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

.contact-title { font-size: 2.5rem; }
.contact-description { font-size: 1.2rem; }
.contact-feature { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.contact-feature .feature-icon { color: #25d366; }

.whatsapp-card {
    background: #1a1a1a;
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(37, 211, 102, 0.2);
}

.whatsapp-icon { color: #25d366; margin-bottom: 1.5rem; }
.whatsapp-card h3 { color: #25d366; }
.whatsapp-card p { margin-bottom: 2rem; }

/* --- Rodapé --- */
.footer {
    padding: 3rem 0 1rem;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-brand h3 { color: #d4af37; }
.footer-bottom { text-align: center; padding-top: 2rem; border-top: 1px solid rgba(212, 175, 55, 0.1); color: #666; }

/* --- Design Responsivo --- */
@media (max-width: 992px) {
    .hero-content,
    .product-content,
    .benefits-content,
    .applications-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-text { text-align: center; }
    .hero-buttons { justify-content: center; }
    .hero-image { order: -1; }
    .benefits-image { order: -1; }
    .applications-image { order: -1; }
    
    .feature-grid { grid-template-columns: 1fr; }
    .specs-grid { grid-template-columns: 1fr; }
    .installation-grid { grid-template-columns: 1fr; gap: 1.5rem; }
}

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }

    /* Menu Mobile */
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(10, 10, 10, 0.98);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: left 0.3s ease;
        padding: 2rem;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-link {
        font-size: 1.5rem;
        padding: 1rem 0;
    }

    .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

    .hero-buttons { flex-direction: column; align-items: stretch; }
    .applications-grid { grid-template-columns: 1fr; }
    
    .footer-content { flex-direction: column; text-align: center; }
}