/* EMCON Ambiental — site styles
   Organized by: tokens → base → layout → shared → pages → responsive
*/

/* =============================================================================
   Tokens
   ============================================================================= */

:root {
    --verde-principal: #1b4d2e;
    --verde-medio: #3e8e4f;
    --verde-claro: #7fc15c;
    --dourado: #c9a227;
    --dourado-claro: #e8c158;
    --creme: #f7f2e7;
    --branco: #ffffff;
    --cinza-claro: #f4f7f5;
    --texto: #2c2c2a;
    --texto-secundario: #5f5e5a;
}

/* =============================================================================
   Base
   ============================================================================= */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
    color: var(--texto);
    background-color: var(--cinza-claro);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-top: 90px;
}

a {
    color: var(--verde-principal);
    text-decoration: none;
}

a,
.btn {
    text-decoration: none !important;
    transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

ul,
li,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

.main-content {
    flex-grow: 1;
}

/* =============================================================================
   Layout — header / nav
   ============================================================================= */

header {
    background-color: var(--branco);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    gap: 40px;
    position: relative;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    width: 34px;
    height: 34px;
    color: var(--texto);
}

.icon {
    width: 1em;
    height: 1em;
    fill: currentColor;
    display: block;
    flex-shrink: 0;
}

.nav-toggle .icon {
    width: 24px;
    height: 24px;
}

.logo {
    flex-shrink: 0;
    font-weight: bold;
    font-size: 24px;
    color: var(--verde-principal);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    max-width: 180px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 20px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--texto);
    font-weight: 500;
    transition: color 0.3s;
}

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

/* =============================================================================
   Layout — footer / floating WhatsApp
   ============================================================================= */

footer {
    background-color: var(--verde-principal);
    color: var(--branco);
    padding: 20px;
    text-align: center;
    font-size: 14px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

footer p {
    margin-bottom: 10px;
    opacity: 0.85;
}

ul.social_icon li {
    display: inline-block;
}

ul.social_icon li a {
    background: var(--branco);
    color: var(--verde-principal);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    border-radius: 30px;
    margin: 0 3px;
}

ul.social_icon li a:hover {
    background-color: var(--verde-claro);
    color: var(--branco);
}

.whatsapp-fixed {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
    z-index: 1000;
    transition: transform 0.3s;
    background: #35d953;
    color: var(--branco);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
}

.whatsapp-fixed .icon {
    width: 1em;
    height: 1em;
}

.whatsapp-fixed:hover {
    transform: scale(1.05);
    color: var(--branco);
}

/* =============================================================================
   Shared — hero, section headings, CTAs
   ============================================================================= */

.hero {
    background-color: #0f3d2a;
    background-image:
        linear-gradient(135deg, rgba(15, 61, 42, 0.95), rgba(27, 94, 58, 0.85)),
        image-set(
            url("../images/banner.webp") type("image/webp"),
            url("../images/banner.jpg") type("image/jpeg")
        );
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    padding: 80px 20px;
    color: var(--branco);
    text-align: center;
}

.hero-content {
    max-width: 950px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 42px;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero p {
    font-size: 18px;
    margin-bottom: 0;
    opacity: 0.9;
}

.section-title {
    text-align: center;
    color: var(--verde-principal);
    font-size: 32px;
    margin-bottom: 50px;
}

.section-subtitle {
    text-align: center;
    color: var(--texto-secundario);
    max-width: 600px;
    margin: -30px auto 50px auto;
}

.read-more {
    font-weight: 600;
    color: var(--dourado);
    float: right;
}

.read-more:hover {
    transform: scale(1.2);
    color: var(--dourado);
}

.btn-page-cta {
    display: inline-block;
    text-align: center;
    background-color: transparent;
    color: var(--verde-principal);
    border: 1px solid var(--verde-principal);
    padding: 12px 22px;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 4px;
    text-decoration: none;
    transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
}

.btn-page-cta:hover {
    background-color: var(--verde-principal);
    color: var(--branco);
}

.btn-page-cta--solid {
    background-color: var(--verde-principal);
    color: var(--branco);
}

.btn-page-cta--solid:hover {
    background-color: var(--verde-medio);
    border-color: var(--verde-medio);
}

/* =============================================================================
   Home / About — intro, stats, values
   ============================================================================= */

.about-section {
    padding: 80px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.about-text .eyebrow {
    color: var(--dourado);
    font-weight: bold;
    text-transform: uppercase;
    font-size: 13px;
    letter-spacing: 1px;
    margin-bottom: 10px;
    display: block;
}

.about-text h2 {
    color: var(--verde-principal);
    font-size: 32px;
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 16px;
    color: var(--texto);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.stat-item {
    text-align: center;
    padding: 20px 10px;
    background: var(--branco);
    border-radius: 8px;
    border-top: 3px solid var(--verde-claro);
}

.stat-item .stat-num {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: var(--verde-principal);
}

.stat-item .stat-label {
    font-size: 13px;
    color: var(--texto-secundario);
}

.about-img {
    width: 100%;
    height: 100%;
    min-height: 380px;
    border-radius: 8px;
    background-color: var(--cinza-claro);
    background-image: image-set(
        url("../images/about.webp") type("image/webp"),
        url("../images/about.jpg") type("image/jpeg")
    );
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    box-shadow: 0 10px 30px rgba(15, 61, 42, 0.2);
}

.company-values-section {
    background-color: var(--creme);
    padding: 70px 20px;
}

.company-values-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.grid-company-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
}

.card-company-values {
    padding: 30px;
    border-radius: 8px;
    background: var(--branco);
    border: 1px solid #e4e9e6;
    transition:
        border-color 0.3s,
        transform 0.3s;
}

.card-company-values:hover {
    border-color: var(--verde-claro);
    transform: translateY(-3px);
}

.card-company-values h3 {
    color: var(--verde-principal);
    font-size: 18px;
    margin-bottom: 10px;
}

.card-company-values p {
    font-size: 14px;
    color: var(--texto-secundario);
}

/* Home — highlighted services strip */

.service-section {
    background-color: var(--branco);
    padding: 70px 20px;
}

.service-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.service-section .section-subtitle {
    opacity: 0.8;
}

.grid-service {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.card-service {
    background: var(--verde-medio);
    border-radius: 8px;
    padding: 25px 15px;
    transition: transform 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-service:hover {
    transform: translateY(-3px);
}

.card-service h3 {
    color: var(--branco);
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

/* =============================================================================
   Services — listing + detail
   ============================================================================= */

.servicos-container {
    margin: 40px auto;
    display: flex;
    flex-direction: column;
    gap: 30px;
    max-width: 1200px;
    width: 100%;
    padding: 0 20px;
}

.servicos-container .category-title {
    font-size: 18px;
    color: #333333;
}

.services {
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    text-align: center;
}

.card-services {
    background: var(--branco);
    padding: 10px 15px;
    border-radius: 8px;
    border: 4px solid var(--verde-medio);
    transition: transform 0.3s;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    text-align: center;
    gap: 5px;
}

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

.card-services:focus,
.card-services:focus-visible {
    outline: 2px solid var(--dourado);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(201, 162, 39, 0.25);
}

.card-services h3 {
    color: var(--verde-principal);
    margin-bottom: 0;
    font-size: 1.5rem;
}

.card-services small {
    color: var(--verde-medio);
    margin-right: 5px;
    font-size: 80%;
    font-weight: 500;
}

.card-services .trigger {
    display: inline-block;
    color: var(--dourado);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.125px;
    margin-bottom: 0;
}

.card-services p {
    color: var(--texto);
    font-size: 0.9rem;
    margin-bottom: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.head-breadcrumb {
    font-size: 14px;
    padding: 5px 10px;
    font-weight: 400;
    background: var(--verde-principal);
}

.head-breadcrumb .breadcrumb {
    margin-bottom: 0;
    background: transparent;
    padding: 0.4rem;
    flex-wrap: wrap;
    gap: 0.25rem 0.75rem;
    list-style: none;
    align-items: center;
}

.head-breadcrumb .breadcrumb-item.active {
    color: #fff;
    opacity: 0.8;
}

.head-breadcrumb .breadcrumb-item a {
    color: #fff;
}

.head-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
    content: ">";
    font-weight: 500;
    color: var(--branco);
}

.servicos-container.service-details {
    gap: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin: 40px auto 80px;
    padding: 0 20px;
}

.servicos-container.service-details h1 {
    color: var(--verde-principal);
    text-align: center;
    margin-top: 40px;
}

.servicos-container.service-details h2 {
    color: var(--dourado);
    font-size: 1.25rem;
    margin-top: -20px;
    margin-bottom: 40px;
    text-align: center;
}

.servicos-container.service-details .category-title {
    padding-bottom: 3px;
    margin-bottom: 5px;
    border-width: 1px;
}

.servicos-container.service-details .category-title h4 {
    font-size: 16px;
    color: var(--verde-principal);
    margin: 0;
    letter-spacing: 0;
}

.servicos-container.service-details p {
    font-size: 17px;
    text-align: justify;
}

.post-section {
    padding: 40px 20px 80px;
}

.post-container {
    max-width: 900px;
    margin: 0 auto;
}

.post-card {
    background: var(--branco);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.post-image {
    width: 100%;
    height: auto;
    display: block;
}

.post-body {
    padding: 28px;
}

.post-date {
    display: inline-flex;
    align-items: center;
    color: var(--texto-secundario);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.post-title {
    color: var(--verde-principal);
    margin-bottom: 20px;
}

.post-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-top: 24px;
}

.social-share {
    display: flex;
    align-items: center;
    gap: 12px;
}

.social-share a {
    color: var(--verde-principal);
    font-size: 1.25rem;
}

/* =============================================================================
   News / Instagram feed cards (about + news)
   ============================================================================= */

.blog-section {
    background: var(--cinza-claro);
    padding: 80px 20px;
}

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

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, calc(25% - 22.5px)));
    gap: 30px;
    justify-content: center;
}

.blog-card {
    background: #fff;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: 0.3s ease;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.15);
}

.blog-image {
    display: block;
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
    aspect-ratio: 1/1;
}

.blog-card:hover .blog-image img {
    transform: scale(1.08);
}

.blog-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 10px;
}

.blog-description {
    font-size: 1rem;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
}

.blog-hashtags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.75rem;
    padding: 0;
}

.blog-hashtags li {
    font-size: 0.85rem;
    color: var(--verde-claro);
    font-weight: 600;
}

.blog-empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--texto-secundario);
    margin: 1rem 0 0;
}

.blog-pagination {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 1rem 1.5rem;
    padding-top: 2.5rem;
    margin-bottom: -2.5rem;
}

.blog-pagination a,
.blog-pagination span {
    color: var(--verde-principal);
    text-decoration: none;
    font-weight: 600;
}

.blog-pagination a:hover {
    color: var(--verde-medio);
}

.blog-pagination__disabled {
    color: #b0b0b0;
    font-weight: 500;
}

.blog-pagination__pages {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
}

.blog-pagination__pages a,
.blog-pagination__pages span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    height: 2.25rem;
    padding: 0 0.5rem;
    border-bottom: 2px solid transparent;
}

.blog-pagination__pages [aria-current="page"] {
    color: var(--dourado);
    border-bottom-color: var(--dourado);
}

.blog-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #eee;
    padding-top: 18px;
    margin-top: auto;
}

.blog-date {
    font-size: 0.9rem;
    color: #999;
}

.blog-link {
    text-decoration: none;
    color: var(--verde-principal);
    font-weight: 600;
    transition: 0.3s;
}

.blog-link:hover {
    color: var(--verde-medio);
}

/* =============================================================================
   FAQ
   ============================================================================= */

.faq-section {
    background-color: var(--cinza-claro);
    padding: 80px 20px;
}

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

.faq-item {
    background: var(--branco);
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    overflow: hidden;
}

.faq-item summary {
    padding: 20px 25px;
    font-weight: 600;
    color: var(--verde-principal);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    color: var(--dourado);
    font-size: 22px;
    font-weight: 700;
    margin-left: 15px;
}

.faq-item[open] summary::after {
    content: "–";
}

.faq-item p {
    padding: 0 25px 20px 25px;
    color: var(--texto-secundario);
    font-size: 14px;
}

/* =============================================================================
   Contact
   ============================================================================= */

.lead-section {
    padding: 80px 20px;
    max-width: 600px;
    margin: 0 auto;
    width: 50%;
}

.form-lead {
    background-color: var(--branco);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.form-row {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 16px;
}

.alert {
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.alert-success {
    background: #e8f5e9;
    color: #1b5e20;
    border: 1px solid #a5d6a7;
}

.alert-danger {
    background: #fdecea;
    color: #8a1f11;
    border: 1px solid #f5c6cb;
}

.alert-danger ul {
    margin: 0;
    padding-left: 18px;
    list-style: disc;
}

.mt-5 {
    margin-top: 3rem;
}

.d-flex {
    display: flex;
}

.btn-outline-success {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid var(--verde-principal);
    color: var(--verde-principal);
    border-radius: 4px;
    font-weight: 600;
}

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

.icon-inline {
    width: 1em;
    height: 1em;
    fill: currentColor;
    display: inline-block;
    vertical-align: -0.15em;
    margin-right: 0.35em;
}

.btn-submit {
    background-color: var(--verde-principal);
    color: var(--branco);
    border: none;
    width: 100%;
    padding: 12px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-submit:hover {
    background-color: var(--verde-medio);
}

/* =============================================================================
   Links
   ============================================================================= */

.links-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 30px 20px 60px 20px;
}

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

.category-title {
    color: var(--verde-principal);
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding-bottom: 10px;
    margin-bottom: 15px;
    border-bottom: 2px solid var(--verde-claro);
}

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

.links-list li {
    border-bottom: 1px solid #e4e9e6;
}

.links-list a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 8px;
    text-decoration: none;
    color: var(--texto);
    transition:
        color 0.2s,
        padding-left 0.2s;
}

.links-list a:hover {
    color: var(--verde-medio);
    padding-left: 6px;
}

.links-list .link-nome strong {
    display: block;
    font-size: 15px;
}

.links-list .link-nome small {
    color: var(--texto-secundario);
    font-size: 13px;
}

.links-list .seta {
    color: var(--dourado);
    font-size: 18px;
    opacity: 0;
    transition: opacity 0.2s;
}

.links-list a:hover .seta {
    opacity: 1;
}

/* =============================================================================
   404
   ============================================================================= */

.error-section {
    background-color: var(--cinza-claro);
    padding: 80px 20px;
}

.error-container {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.error-container .section-subtitle {
    margin: 0 auto 16px;
}

.error-container .section-subtitle:last-of-type {
    margin-bottom: 36px;
}

.error-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

/* =============================================================================
   Responsive
   ============================================================================= */

@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: repeat(
            auto-fit,
            minmax(250px, calc(50% - 22.5px))
        );
    }

    .blog-content {
        padding: 20px;
    }

    .head-breadcrumb .breadcrumb {
        flex-direction: column;
    }

    .nav-container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 0;
    }

    .nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--verde-principal);
    }

    .nav-menu {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--branco);
        box-shadow: 0 8px 15px rgba(0, 0, 0, 0.08);
        padding: 10px 20px;
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition:
            opacity 0.25s ease,
            transform 0.25s ease,
            visibility 0s linear 0.25s;
    }

    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        transition:
            opacity 0.25s ease,
            transform 0.25s ease,
            visibility 0s linear 0s;
    }

    .nav-menu li {
        border-bottom: 1px solid var(--cinza-claro);
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .nav-menu a {
        display: block;
        padding: 14px 0;
    }

    .hero {
        background-image:
            linear-gradient(135deg, rgba(15, 61, 42, 0.95), rgba(27, 94, 58, 0.85)),
            image-set(
                url("../images/banner-768.webp") type("image/webp"),
                url("../images/banner-768.jpg") type("image/jpeg")
            );
    }

    .hero h1 {
        font-size: 32px;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-img {
        min-height: 240px;
        order: -1;
    }

    .lead-section {
        max-width: 100%;
        width: 100%;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .error-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-page-cta {
        width: 100%;
        text-align: center;
    }

    footer {
        gap: 0;
    }
}

@media (max-width: 590px) {
    .blog-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 400px));
    }
}

@media (max-width: 480px) {
    .blog-section {
        padding: 60px 16px;
    }

    .blog-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}