/* ===== RESET E BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --verde-primario: #2E7D32;
    --verde-escuro: #1B5E20;
    --verde-claro: #4CAF50;
    --verde-muito-claro: #E8F5E9;
    --cinza-escuro: #333333;
    --cinza-medio: #666666;
    --cinza-claro: #f5f5f5;
    --branco: #ffffff;
    --sombra: 0 4px 6px rgba(0, 0, 0, 0.1);
    --sombra-hover: 0 8px 25px rgba(0, 0, 0, 0.15);
    --transicao: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--cinza-escuro);
    background-color: var(--branco);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

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

/* ===== HEADER ===== */
.header {
    background-color: var(--branco);
    box-shadow: var(--sombra);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transicao);
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo img {
    height: 50px;
    width: auto;
}

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

.nav-menu a {
    color: var(--cinza-escuro);
    font-weight: 500;
    padding: 10px 0;
    position: relative;
    transition: var(--transicao);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--verde-primario);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--verde-primario);
    transition: var(--transicao);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--cinza-escuro);
    transition: var(--transicao);
}

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../images/hero-grelha.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--branco);
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
    padding: 40px 20px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero h1 span {
    color: var(--verde-claro);
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== BOTÕES ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transicao);
    border: none;
}

.btn-primary {
    background-color: var(--verde-primario);
    color: var(--branco);
}

.btn-primary:hover {
    background-color: var(--verde-escuro);
    transform: translateY(-3px);
    box-shadow: var(--sombra-hover);
}

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

.btn-secondary:hover {
    background-color: var(--branco);
    color: var(--verde-primario);
    transform: translateY(-3px);
}

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

.btn-outline:hover {
    background-color: var(--verde-primario);
    color: var(--branco);
}

.btn-whatsapp {
    background-color: #25D366;
    color: var(--branco);
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    transform: translateY(-3px);
}

/* ===== SEÇÕES ===== */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--cinza-escuro);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--verde-primario);
    border-radius: 2px;
}

.section-title p {
    color: var(--cinza-medio);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 20px auto 0;
}

.bg-light {
    background-color: var(--cinza-claro);
}

.bg-green {
    background-color: var(--verde-muito-claro);
}

/* ===== CARDS DE CARACTERÍSTICAS ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background-color: var(--branco);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--sombra);
    transition: var(--transicao);
}

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

.feature-card .icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--verde-claro), var(--verde-primario));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: var(--branco);
}

.feature-card h3 {
    font-size: 1.3rem;
    color: var(--cinza-escuro);
    margin-bottom: 15px;
}

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

/* ===== SOBRE PREVIEW ===== */
.about-preview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-preview .content h3 {
    font-size: 2rem;
    color: var(--cinza-escuro);
    margin-bottom: 20px;
}

.about-preview .content p {
    color: var(--cinza-medio);
    margin-bottom: 15px;
    line-height: 1.8;
}

.about-preview .image img {
    border-radius: 15px;
    box-shadow: var(--sombra-hover);
}

/* ===== APLICAÇÕES GRID ===== */
.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.application-card {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    height: 250px;
}

.application-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transicao);
}

.application-card:hover img {
    transform: scale(1.1);
}

.application-card .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 30px 20px 20px;
    color: var(--branco);
}

.application-card h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.application-card p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* ===== CTA SECTION ===== */
.cta-section {
    background: linear-gradient(135deg, var(--verde-primario), var(--verde-escuro));
    color: var(--branco);
    text-align: center;
    padding: 80px 20px;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.95;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .btn {
    background-color: var(--branco);
    color: var(--verde-primario);
}

.cta-section .btn:hover {
    background-color: rgba(255, 255, 255, 0.9);
    transform: translateY(-3px);
}

/* ===== PRODUTOS ===== */
.products-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 25px;
    border: 2px solid var(--verde-primario);
    background-color: transparent;
    color: var(--verde-primario);
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transicao);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--verde-primario);
    color: var(--branco);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: var(--branco);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--sombra);
    transition: var(--transicao);
}

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

.product-card .image-container {
    height: 200px;
    background-color: var(--cinza-claro);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.product-card .image-container img {
    max-height: 100%;
    object-fit: contain;
}

.product-card .info {
    padding: 25px;
}

.product-card .size-badge {
    display: inline-block;
    background-color: var(--verde-muito-claro);
    color: var(--verde-primario);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.product-card h3 {
    font-size: 1.2rem;
    color: var(--cinza-escuro);
    margin-bottom: 10px;
}

.product-card .specs {
    color: var(--cinza-medio);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.product-card .specs li {
    padding: 5px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.product-card .specs li::before {
    content: '✓';
    color: var(--verde-primario);
    font-weight: bold;
}

.product-card .buttons {
    display: flex;
    gap: 10px;
}

.product-card .buttons .btn {
    flex: 1;
    justify-content: center;
    padding: 12px 15px;
    font-size: 0.9rem;
}

/* ===== PÁGINA SOBRE ===== */
.page-hero {
    background: linear-gradient(rgba(46, 125, 50, 0.9), rgba(27, 94, 32, 0.9));
    color: var(--branco);
    padding: 150px 20px 80px;
    text-align: center;
}

.page-hero h1 {
    font-size: 3rem;
    margin-bottom: 15px;
}

.page-hero p {
    font-size: 1.2rem;
    opacity: 0.95;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background-color: var(--verde-primario);
}

.timeline-item {
    display: flex;
    justify-content: flex-end;
    padding-right: 50%;
    position: relative;
    margin-bottom: 40px;
}

.timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-right: 0;
    padding-left: 50%;
}

.timeline-item .content {
    background-color: var(--branco);
    padding: 25px;
    border-radius: 10px;
    box-shadow: var(--sombra);
    max-width: 350px;
    margin-right: 30px;
}

.timeline-item:nth-child(even) .content {
    margin-right: 0;
    margin-left: 30px;
}

.timeline-item .year {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--verde-primario);
    color: var(--branco);
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
}

.timeline-item h3 {
    color: var(--verde-primario);
    margin-bottom: 10px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.value-card {
    background-color: var(--branco);
    padding: 35px;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--sombra);
    border-top: 4px solid var(--verde-primario);
}

.value-card .icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.value-card h3 {
    color: var(--cinza-escuro);
    margin-bottom: 10px;
}

.commitment-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.commitment-card {
    display: flex;
    gap: 20px;
    padding: 30px;
    background-color: var(--branco);
    border-radius: 15px;
    box-shadow: var(--sombra);
}

.commitment-card .icon {
    font-size: 3rem;
    flex-shrink: 0;
}

.commitment-card h3 {
    color: var(--verde-primario);
    margin-bottom: 10px;
}

/* ===== VANTAGENS ===== */
.comparison-table {
    overflow-x: auto;
    margin: 40px 0;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--branco);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--sombra);
}

.comparison-table th,
.comparison-table td {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid var(--cinza-claro);
}

.comparison-table th {
    background-color: var(--verde-primario);
    color: var(--branco);
    font-weight: 600;
}

.comparison-table th.highlight {
    background-color: var(--verde-escuro);
}

.comparison-table td.highlight {
    background-color: var(--verde-muito-claro);
    font-weight: 600;
    color: var(--verde-primario);
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.advantage-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.advantage-item {
    display: flex;
    gap: 15px;
    padding: 25px;
    background-color: var(--branco);
    border-radius: 10px;
    box-shadow: var(--sombra);
}

.advantage-item .icon {
    width: 50px;
    height: 50px;
    background-color: var(--verde-muito-claro);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.advantage-item h4 {
    color: var(--cinza-escuro);
    margin-bottom: 8px;
}

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

/* ===== FAQ ===== */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-category {
    margin-bottom: 40px;
}

.faq-category h3 {
    font-size: 1.5rem;
    color: var(--verde-primario);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--verde-muito-claro);
}

.faq-item {
    background-color: var(--branco);
    border-radius: 10px;
    margin-bottom: 15px;
    box-shadow: var(--sombra);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 20px 25px;
    background-color: transparent;
    border: none;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--cinza-escuro);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transicao);
}

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

.faq-question .icon {
    font-size: 1.2rem;
    transition: var(--transicao);
}

.faq-item.active .faq-question .icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 25px 20px;
    color: var(--cinza-medio);
    line-height: 1.8;
}

/* ===== CONTATO ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
    padding: 25px;
    background-color: var(--branco);
    border-radius: 10px;
    box-shadow: var(--sombra);
}

.contact-item .icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--verde-claro), var(--verde-primario));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--branco);
    flex-shrink: 0;
}

.contact-item .icon svg {
    fill: var(--branco);
}

.contact-item h3 {
    color: var(--cinza-escuro);
    margin-bottom: 5px;
}

.contact-item p,
.contact-item a {
    color: var(--cinza-medio);
}

.contact-item a:hover {
    color: var(--verde-primario);
}

.contact-form {
    background-color: var(--branco);
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--sombra);
}

.contact-form h3 {
    font-size: 1.5rem;
    color: var(--cinza-escuro);
    margin-bottom: 25px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--cinza-escuro);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--cinza-claro);
    border-radius: 10px;
    font-size: 1rem;
    transition: var(--transicao);
}

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

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    justify-content: center;
}

/* ===== IMAGEM DO PRODUTO ===== */
.product-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 60px;
}

.product-showcase.reverse {
    direction: rtl;
}

.product-showcase.reverse > * {
    direction: ltr;
}

.product-showcase .image img {
    border-radius: 15px;
    box-shadow: var(--sombra-hover);
}

.product-showcase .content h3 {
    font-size: 1.8rem;
    color: var(--cinza-escuro);
    margin-bottom: 15px;
}

.product-showcase .content p {
    color: var(--cinza-medio);
    margin-bottom: 20px;
    line-height: 1.8;
}

.product-showcase .content ul {
    margin-bottom: 20px;
}

.product-showcase .content ul li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--cinza-medio);
}

.product-showcase .content ul li::before {
    content: '✓';
    color: var(--verde-primario);
    font-weight: bold;
    font-size: 1.2rem;
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--cinza-escuro);
    color: var(--branco);
    padding: 60px 0 30px;
}

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

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--verde-primario);
}

.footer-col p {
    opacity: 0.8;
    line-height: 1.8;
}

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

.footer-col ul a {
    opacity: 0.8;
    transition: var(--transicao);
}

.footer-col ul a:hover {
    opacity: 1;
    color: var(--verde-claro);
}

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

.social-links a {
    width: 45px;
    height: 45px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transicao);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

/* ===== WHATSAPP FLUTUANTE ===== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--branco);
    font-size: 2rem;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transicao);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* ===== AVISO IMPORTANTE ===== */
.alert-box {
    background-color: #FFF3E0;
    border-left: 4px solid #FF9800;
    padding: 20px 25px;
    border-radius: 0 10px 10px 0;
    margin: 30px 0;
}

.alert-box h4 {
    color: #E65100;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-box p {
    color: #5D4037;
    font-size: 0.95rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .about-preview,
    .contact-grid,
    .product-showcase {
        grid-template-columns: 1fr;
    }

    .product-showcase.reverse {
        direction: ltr;
    }

    .timeline::before {
        left: 30px;
    }

    .timeline-item,
    .timeline-item:nth-child(even) {
        padding-left: 70px;
        padding-right: 0;
        justify-content: flex-start;
    }

    .timeline-item .content,
    .timeline-item:nth-child(even) .content {
        margin: 0;
        max-width: 100%;
    }

    .timeline-item .year {
        left: 30px;
    }

    .commitment-section {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background-color: var(--branco);
        flex-direction: column;
        align-items: center;
        padding: 30px;
        gap: 20px;
        box-shadow: var(--sombra);
        transform: translateY(-150%);
        opacity: 0;
        transition: var(--transicao);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
    }

    .menu-toggle {
        display: flex;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .section-title h2 {
        font-size: 1.8rem;
    }

    .page-hero h1 {
        font-size: 2rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 12px 10px;
        font-size: 0.85rem;
    }

    .commitment-card {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        padding: 0 20px;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .product-card .buttons {
        flex-direction: column;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }
}