/* ========================================
   RESET CSS & NORMALIZE
   ======================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 100%; /* 16px */
}

body {
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  color: var(--color-text-main);
  background-color: var(--color-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

ul, ol {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
  outline: none;
}

button {
  cursor: pointer;
}

/* ========================================
   CSS VARIABLES — NOVA PALETA VERDE & DOURADO
   ======================================== */
:root {
  /* Cores Primárias Institucionais (Verde) */
  --color-primary: #337A6E;          /* Verde Principal */
  --color-primary-dark: #003831;     /* Verde Escuro Institucional (Alto Contraste) */
  --color-primary-deep: #324D3E;     /* Verde Profundo (Títulos e Elementos Escuros) */
  --color-primary-light: #8EA48B;    /* Verde Intermediário Suave */

  /* Cores de Destaque (Dourado) */
  --color-accent: #E6BF40;           /* Dourado Principal (Destaques e CTAs em Fundo Escuro) */
  --color-accent-dark: #B8952E;      /* Dourado Escuro (Hover e Detalhes Acessíveis) */

  /* Cores Secundárias e Neutros Naturais */
  --color-secondary: #728A6E;        /* Verde Médio Complementar */
  --color-surface-soft: #BECFBB;     /* Verde Claro para Superfícies e Cards */
  --color-bg-alt: #D9E4D7;           /* Verde Muito Claro (Fundos Suaves) */

  /* Tipografia e Leitura */
  --color-text-main: #2B4336;        /* Verde Escuro Complementar para Leitura (Contraste 10.72:1) */
  --color-text-muted: #324D3E;       /* Verde Profundo para Textos Secundários */

  /* Neutros Absolutos */
  --color-white: #FFFFFF;
  --color-black: #000000;

  /* Cores de Apoio e Bordas */
  --color-border: #8EA48B;
  --color-error: #C0392B;
  --color-success: #287D43;

  /* Fontes e Tipografia */
  --font-family-base: Arial, Helvetica, sans-serif;

  /* Layout e Espaçamentos */
  --container-width-max: 1200px;
  --container-width-narrow: 800px;
  --section-padding-vertical: 80px;

  /* Bordas e Sombras Harmonizadas em Verde Escuro (#003831) */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(0, 56, 49, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 56, 49, 0.10);
  --shadow-lg: 0 8px 30px rgba(0, 56, 49, 0.15);

  /* Transições */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

/* ========================================
   ESTILOS BASE & REUTILIZÁVEIS
   ======================================== */
:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: var(--container-width-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.container--narrow {
  max-width: var(--container-width-narrow);
}

.section {
  padding-top: var(--section-padding-vertical);
  padding-bottom: var(--section-padding-vertical);
}

.section--alt {
  background-color: var(--color-bg-alt);
}

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

.section-title {
  font-size: 2rem;
  color: var(--color-primary-dark);
  margin-bottom: 15px;
  line-height: 1.3;
}

.section-description {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.badge {
  display: inline-block;
  padding: 6px 16px;
  background-color: rgba(51, 122, 110, 0.12);
  color: var(--color-primary-dark);
  font-size: 0.875rem;
  font-weight: bold;
  border-radius: 50px;
  margin-bottom: 20px;
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: 30px;
}

.grid--2-cols {
  grid-template-columns: repeat(2, 1fr);
}

.grid--3-cols {
  grid-template-columns: repeat(3, 1fr);
}

/* ========================================
   BOTÕES (BUTTONS)
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-weight: bold;
  font-size: 1rem;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
  text-align: center;
}

.btn--large {
  padding: 16px 36px;
  font-size: 1.1rem;
}

.btn--small {
  padding: 8px 18px;
  font-size: 0.875rem;
}

.btn--full {
  width: 100%;
}

/* Botão Primário: Verde Principal com texto Branco */
.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Botão Outline: Borda Verde Principal */
.btn--outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  background-color: transparent;
}

.btn--outline:hover,
.btn--outline:focus-visible {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* Botão Outline Claro (para fundos escuros) */
.btn--outline-light {
  border: 2px solid var(--color-white);
  color: var(--color-white);
  background-color: transparent;
}

.btn--outline-light:hover,
.btn--outline-light:focus-visible {
  background-color: var(--color-white);
  color: var(--color-primary-dark);
}

/* Botão de Destaque / CTA (Dourado com texto escuro para alto contraste) */
.btn--accent {
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
}

.btn--accent:hover,
.btn--accent:focus-visible {
  background-color: var(--color-accent-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ========================================
   PLACEHOLDERS VISUAIS E LOGO
   ======================================== */
.logo-header {
  max-height: 45px;
  width: auto;
  display: block;
}

.logo-footer {
  max-height: 100px;
  width: auto;
  display: block;
  margin-bottom: 20px;
}

.media-placeholder {
  width: 100%;
  min-height: 320px;
  background-color: var(--color-bg-alt);
  border: 2px dashed var(--color-primary-light);
  border-radius: var(--border-radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 30px;
  text-align: center;
  color: var(--color-primary-dark);
}

.media-placeholder--hero {
  min-height: 400px;
  background-color: rgba(0, 56, 49, 0.04);
}

/* Vídeo institucional no hero */
.hero__video {
  margin: 0;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  background-color: var(--color-primary-dark);
  box-shadow: 0 20px 40px rgba(0, 56, 49, 0.18);
}

.hero__video video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-placeholder__text {
  margin-top: 15px;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  max-width: 80%;
}

/* ========================================
   HEADER & NAVEGAÇÃO
   ======================================== */
.header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: padding var(--transition-normal);
  border-bottom: 1px solid rgba(142, 164, 139, 0.3);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: 15px;
}

.nav__list {
  display: flex;
  gap: 20px;
  align-items: center;
}

.nav__link {
  color: var(--color-primary-dark);
  font-weight: 600;
  font-size: 0.95rem;
  position: relative;
  padding: 5px 0;
  white-space: nowrap;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-fast);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__link.active {
  color: var(--color-primary);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 15px;
  flex-shrink: 0;
}

.header__logo-link {
  flex-shrink: 0;
}

.header__cta {
  white-space: nowrap;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  background: transparent;
  padding: 0;
}

.menu-toggle__bar {
  width: 100%;
  height: 3px;
  background-color: var(--color-primary-dark);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.menu-toggle.active .menu-toggle__bar:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.menu-toggle.active .menu-toggle__bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active .menu-toggle__bar:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* ========================================
   SELETOR DE IDIOMA (PT / EN)
   ======================================== */
.lang-selector {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 20px;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.lang-btn:hover {
  color: var(--color-primary);
}

.lang-btn.active {
  color: var(--color-primary-dark);
  font-weight: 700;
  border-bottom: 2px solid var(--color-primary);
}

.lang-divider {
  color: var(--color-primary-light);
  font-size: 0.8rem;
  user-select: none;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  padding-top: 100px;
  padding-bottom: 100px;
  background: linear-gradient(135deg, rgba(0, 56, 49, 0.03) 0%, rgba(51, 122, 110, 0.08) 100%);
}

.hero__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.hero__title {
  font-size: 2.75rem;
  color: var(--color-primary-dark);
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 35px;
}

.hero__buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

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

.sobre__content .section-title {
  text-align: left;
}

.sobre__content .section-description {
  margin-left: 0;
  margin-bottom: 20px;
}

/* ========================================
   CARDS (PRODUTO E SERVIÇOS)
   ======================================== */
.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 35px 25px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.card__icon {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-md);
  background-color: var(--color-bg-alt);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.card__title {
  font-size: 1.25rem;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.card__text {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  flex-grow: 1;
}

.card--service {
  text-align: center;
  align-items: center;
}

.card--service .btn {
  margin-top: 20px;
}

/* ========================================
   DIFERENCIAIS
   ======================================== */
.diferencial-item {
  display: flex;
  gap: 20px;
  background-color: var(--color-white);
  padding: 25px;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-fast);
}

.diferencial-item:hover {
  border-color: var(--color-primary);
}

.diferencial-item__icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.diferencial-item__title {
  font-size: 1.1rem;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.diferencial-item__text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ========================================
   PROCESSO DE ATENDIMENTO
   ======================================== */
.processo__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
  position: relative;
}

.processo-step {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 30px 20px;
  position: relative;
}

.processo-step__number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-accent-dark);
  opacity: 0.8;
  line-height: 1;
  margin-bottom: 15px;
}

.processo-step__title {
  font-size: 1.15rem;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
}

.processo-step__text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ========================================
   SEÇÃO CTA
   ======================================== */
.cta__card {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary-deep) 60%, var(--color-primary) 100%);
  border-radius: var(--border-radius-lg);
  padding: 60px 40px;
  text-align: center;
  color: var(--color-white);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(230, 191, 64, 0.2);
}

.cta__title {
  font-size: 2.25rem;
  margin-bottom: 15px;
  color: var(--color-white);
}

.cta__text {
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto 35px auto;
  color: var(--color-bg-alt);
}

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

/* ========================================
   FAQ ACCORDION
   ======================================== */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.accordion__item {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  background-color: var(--color-white);
  overflow: hidden;
}

.accordion__header {
  width: 100%;
  padding: 20px 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  background-color: transparent;
  transition: background-color var(--transition-fast);
}

.accordion__header:hover,
.accordion__header:focus-visible {
  background-color: rgba(51, 122, 110, 0.05);
}

.accordion__title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.accordion__icon {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--color-primary);
  transition: transform var(--transition-fast);
}

.accordion__item.active .accordion__icon {
  transform: rotate(45deg);
}

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

.accordion__body {
  padding: 0 25px 20px 25px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  border-top: 1px solid transparent;
}

/* ========================================
   FORMULÁRIO DE CONTATO
   ======================================== */
.form {
  background-color: var(--color-white);
  padding: 40px;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

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

.form__group {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
}

.form__label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.form__input,
.form__textarea {
  width: 100%;
  height: 48px;
  padding: 0 16px;
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-primary-dark);
  background-color: #FAFAFA;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
  
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.form__textarea {
  height: auto;
  padding: 12px 16px;
}

select.form__input {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%20%23003831' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 16px;
  padding-right: 40px;
}

select.form__input:invalid {
  color: var(--color-text-muted);
}

.form__input:focus,
.form__textarea:focus {
  border-color: var(--color-primary);
  background-color: var(--color-white);
  box-shadow: 0 0 0 3px rgba(51, 122, 110, 0.2);
  outline: none;
}

.form__group.error .form__input,
.form__group.error .form__textarea {
  border-color: var(--color-error);
  background-color: #FFF8F8;
}

.form__error-message {
  display: none;
  color: var(--color-error);
  font-size: 0.8rem;
  margin-top: 5px;
}

.form__group.error .form__error-message {
  display: block;
}

.form__status {
  margin-bottom: 20px;
  padding: 12px;
  border-radius: var(--border-radius-sm);
  display: none;
  font-weight: 600;
  text-align: center;
}

.form__status.success {
  display: block;
  background-color: #E8F5E9;
  color: var(--color-success);
  border: 1px solid #A5D6A7;
}

.form__status.error {
  display: block;
  background-color: #FFEBEE;
  color: var(--color-error);
  border: 1px solid #FFCDD2;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  padding-top: 70px;
  padding-bottom: 30px;
  border-top: 1px solid rgba(230, 191, 64, 0.2);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer__text {
  font-size: 0.9rem;
  color: var(--color-bg-alt);
  line-height: 1.6;
}

.footer__title {
  font-size: 1.1rem;
  color: var(--color-white);
  margin-bottom: 20px;
}

.footer__links li,
.footer__contact-info li {
  margin-bottom: 12px;
  font-size: 0.9rem;
  color: var(--color-bg-alt);
}

.footer__links a {
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-accent);
}

.footer__socials {
  display: flex;
  gap: 15px;
  margin-top: 15px;
  align-items: center;
}

.social-link {
  display: inline-block;
  text-decoration: none;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.social-link img {
  width: 24px;
  height: 24px;
  object-fit: contain;
  display: block;
}

.social-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 25px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-surface-soft);
}

/* ========================================
   BOTÃO VOLTAR AO TOPO
   ======================================== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-3px);
}

/* ========================================
   ANIMAÇÕES DE ENTRADA (SCROLL REVEAL)
   ======================================== */
.js-scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.js-scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}