/* =============================================
   SUCATA PEREIRA — Identidade Visual
   Verde escuro #003820 | Dourado #C5A028 | Branco | Preto
   ============================================= */

:root {
  /* Cores da marca (logo) */
  --green-dark: #003820;
  --green-primary: #0a4d35;
  --green-light: #126b4a;
  --gold: #C5A028;
  --gold-light: #D4AF37;
  --gold-dark: #a8861f;
  --white: #ffffff;
  --black: #1a1a1a;
  --text: #2d3436;

  /* Tons industriais complementares */
  --grafite: #1e2428;
  --grafite-light: #2d3436;
  --metal: #6b7280;
  --metal-light: #9ca3af;
  --bg-light: #f7f8f9;
  --bg-section: #eef0f2;

  /* Tipografia */
  --font: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Espaçamento */
  --container: 1200px;
  --header-h: 80px;
  --radius: 8px;
  --radius-lg: 12px;

  /* Transições */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 0.3s var(--ease);

  /* Sombras */
  --shadow-sm: 0 2px 8px rgba(0, 56, 32, 0.08);
  --shadow-md: 0 8px 24px rgba(0, 56, 32, 0.12);
  --shadow-lg: 0 16px 48px rgba(0, 56, 32, 0.16);
}

/* Reset & Base */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 2px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
  color: var(--green-dark);
  border-color: var(--gold);
}

.btn--primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(197, 160, 40, 0.35);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}

.btn--outline:hover {
  background: var(--white);
  color: var(--green-dark);
}

.btn--outline-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn--outline-light:hover {
  background: var(--white);
  color: var(--green-dark);
  border-color: var(--white);
}

.btn--whatsapp {
  background: #25d366;
  color: var(--white);
  border-color: #25d366;
}

.btn--whatsapp:hover {
  background: #1fb855;
  border-color: #1fb855;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.35);
}

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

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 56, 32, 0.08);
  transition: box-shadow var(--transition), background var(--transition);
}

.header--scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 1rem;
}

/* Logo principal (ícone SP) — header e favicon */
.logo--principal {
  height: 52px;
  width: auto;
  object-fit: contain;
}

/* Logo secundário (marca completa) — rodapé */
.logo--secundario {
  max-width: 200px;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav__link {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--grafite);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width var(--transition);
}

.nav__link:hover {
  color: var(--green-dark);
}

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

.header__login {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1px solid rgba(0, 56, 32, 0.15);
  color: var(--green-dark);
  background: var(--white);
  transition: color var(--transition), border-color var(--transition), background var(--transition), transform var(--transition);
}

.header__login svg {
  width: 22px;
  height: 22px;
  stroke-width: 1.75;
}

.header__login:hover {
  color: var(--gold);
  border-color: var(--gold);
  background: rgba(212, 175, 55, 0.08);
  transform: translateY(-1px);
}

.header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.header__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--green-dark);
  transition: all var(--transition);
  border-radius: 2px;
}

.header__toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__toggle.active span:nth-child(2) {
  opacity: 0;
}

.header__toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--green-dark) url('/imagem/hero.jpg') center / cover no-repeat;
  padding: calc(var(--header-h) + 3rem) 0 4rem;
  overflow: hidden;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 56, 32, 0.92) 0%,
    rgba(0, 56, 32, 0.75) 50%,
    rgba(10, 77, 53, 0.85) 100%
  );
}

/* Detalhe dourado inspirado no logo */
.hero__accent {
  position: absolute;
  top: 0;
  left: 0;
  width: 280px;
  height: 280px;
  background: linear-gradient(135deg, var(--green-dark) 40%, transparent 40%);
  pointer-events: none;
}

.hero__accent::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
}

.hero__accent::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--gold), var(--gold-light));
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--gold-light);
  margin-bottom: 1rem;
  padding: 0.375rem 1rem;
  border: 1px solid rgba(197, 160, 40, 0.4);
  border-radius: 50px;
}

.hero__title {
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 2rem;
  max-width: 600px;
}

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

/* Faixa de autoridade */
.authority {
  background: var(--white);
  padding: 0;
  margin-top: -3rem;
  position: relative;
  z-index: 2;
}

.authority__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 2rem 1.5rem;
  border-top: 4px solid var(--gold);
}

.authority__card {
  text-align: center;
  padding: 0.5rem;
}

.authority__number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--green-dark);
  line-height: 1;
  margin-bottom: 0.5rem;
}

/* Ícones Lucide — outline, cor única */
.authority__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin: 0 auto 0.5rem;
  color: var(--green-dark);
}

.authority__icon svg {
  width: 36px;
  height: 36px;
  stroke: currentColor;
  stroke-width: 1.75;
}

.authority__label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--metal);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* Seções genéricas */
.section {
  padding: 5rem 0;
}

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

.section--dark {
  background: var(--grafite);
  color: var(--white);
}

.section--green {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-primary) 100%);
  color: var(--white);
}

.section__header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3rem;
}

.section__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--green-primary);
  margin-bottom: 0.75rem;
}

.section__tag--gold {
  color: var(--gold-light);
}

.section__title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
  color: inherit;
}

.section--light .section__title {
  color: var(--green-dark);
}

.section__desc {
  font-size: 1.05rem;
  color: var(--metal);
}

.section--dark .section__desc,
.section--green .section__desc {
  color: rgba(255, 255, 255, 0.75);
}

/* Cards de materiais */
.cards-grid {
  display: grid;
  gap: 1.5rem;
}

.cards-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.material-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  border-bottom: 3px solid transparent;
}

.material-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--gold);
}

.material-card__img {
  aspect-ratio: 4/3;
  overflow: hidden;
}

.material-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}

.material-card:hover .material-card__img img {
  transform: scale(1.06);
}

.material-card h3 {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--green-dark);
  padding: 1.25rem 1.25rem 0.5rem;
}

.material-card p {
  font-size: 0.875rem;
  color: var(--metal);
  padding: 0 1.25rem 1.25rem;
}

/* Serviços */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  transition: all var(--transition);
  border-left: 3px solid var(--gold);
}

.service-item:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
}

.service-item__icon {
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--gold);
  margin-bottom: 1rem;
}

.service-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.service-item p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.65;
}

/* Passos */
.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--gold), var(--green-primary));
}

.step {
  display: flex;
  gap: 1.5rem;
  padding: 1.5rem 0;
  position: relative;
}

.step__num {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-dark);
  color: var(--gold-light);
  font-size: 1.25rem;
  font-weight: 800;
  border-radius: 50%;
  border: 3px solid var(--gold);
  position: relative;
  z-index: 1;
}

.step__content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green-dark);
  text-transform: uppercase;
  margin-bottom: 0.375rem;
}

.step__content p {
  color: var(--metal);
  font-size: 0.95rem;
}

/* Sobre */
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about__text p {
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.75;
}

.about__text .section__title {
  text-align: left;
  margin-bottom: 1.25rem;
}

.about__list {
  margin-top: 1.5rem;
}

.about__list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.625rem;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
}

.about__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--gold-light);
  font-weight: 700;
}

.about__image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about__image img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.about__badge {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
  color: var(--green-dark);
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.about__badge span {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}

.about__badge small {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Estrutura */
.structure-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.structure-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition);
}

.structure-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.structure-card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.structure-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--green-dark);
  padding: 1.25rem 1.25rem 0.375rem;
}

.structure-card p {
  font-size: 0.85rem;
  color: var(--metal);
  padding: 0 1.25rem 1.25rem;
}

/* Galeria — miniaturas compactas */
#galeria {
  padding: 3.5rem 0;
}

#galeria .section__header {
  margin-bottom: 2rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  max-width: 960px;
  margin: 0 auto;
}

.gallery-item {
  margin: 0;
}

.gallery-item__trigger {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: none;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.05);
  line-height: 0;
}

.gallery-item__trigger img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  transition: transform 0.4s var(--ease);
}

.gallery-item__trigger:hover img {
  transform: scale(1.06);
}

.gallery-item__zoom {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 56, 32, 0.45);
  opacity: 0;
  transition: opacity var(--transition);
  color: var(--white);
}

.gallery-item__trigger:hover .gallery-item__zoom,
.gallery-item__trigger:focus-visible .gallery-item__zoom {
  opacity: 1;
}

.gallery-item__zoom svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
}

.gallery-item figcaption {
  margin-top: 0.375rem;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
  line-height: 1.3;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.92);
}

.lightbox[hidden] {
  display: none;
}

.lightbox__img {
  max-width: min(100%, 1100px);
  max-height: 90vh;
  width: auto;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

.lightbox__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  color: var(--green-dark);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: transform var(--transition);
}

.lightbox__close:hover {
  transform: scale(1.08);
}

.lightbox__close svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
}

/* Sustentabilidade */
.section--sustainability {
  background: var(--bg-section);
  padding: 5rem 0;
}

.sustainability {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.sustainability__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--gold);
}

.sustainability__image img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.sustainability__text .section__title {
  text-align: left;
  color: var(--green-dark);
}

.sustainability__text p {
  color: var(--metal);
  margin-bottom: 1rem;
  line-height: 1.75;
}

.sustainability__list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.625rem;
  font-weight: 500;
  color: var(--text);
}

.sustainability__list li::before {
  content: '♻';
  position: absolute;
  left: 0;
  color: var(--green-primary);
}

/* Contato */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: start;
}

.contact-form {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-group--full {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.8);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.875rem 1rem;
  font-family: var(--font);
  font-size: 0.9375rem;
  color: var(--text);
  background: var(--white);
  border: 2px solid transparent;
  border-radius: var(--radius);
  transition: border-color var(--transition);
}

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

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group--honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.form-feedback {
  grid-column: 1 / -1;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 600;
  min-height: 1.5rem;
}

.form-feedback.success {
  color: #4ade80;
}

.form-feedback.error {
  color: #f87171;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-info__item strong {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gold-light);
  margin-bottom: 0.375rem;
}

.contact-info__item a {
  color: var(--white);
  font-weight: 500;
}

.contact-info__item a:hover {
  color: var(--gold-light);
}

.contact-info__address {
  display: inline-block;
  line-height: 1.55;
  font-size: 0.9375rem;
}

.contact-info__item p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9375rem;
}

/* CTA Final */
.cta-final {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-primary) 100%);
  padding: 4rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-final::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold));
}

.cta-final__inner h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.cta-final__inner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.cta-final__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

/* Footer */
.footer {
  background: var(--black);
  color: rgba(255, 255, 255, 0.75);
  padding: 4rem 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__brand .logo--secundario {
  margin-bottom: 1rem;
}

.footer__brand p {
  font-size: 0.875rem;
  line-height: 1.65;
}

.footer h3 {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gold-light);
  margin-bottom: 1.25rem;
}

.footer ul li {
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

.footer a:hover {
  color: var(--gold-light);
}

.footer__bottom {
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
}

/* WhatsApp flutuante */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #25d366;
  color: var(--white);
  border-radius: 50%;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
  transition: transform var(--transition), box-shadow var(--transition);
  animation: pulse-wa 2.5s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.55);
}

@keyframes pulse-wa {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45); }
  50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7); }
}

/* Animações de scroll */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsivo */
@media (max-width: 1024px) {
  .authority__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .cards-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
    max-width: 100%;
  }

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

@media (max-width: 768px) {
  :root {
    --header-h: 70px;
  }

  .header__toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--white);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    border-top: 3px solid var(--gold);
  }

  .nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }

  .nav__link {
    display: block;
    padding: 0.875rem 0;
    width: 100%;
    border-bottom: 1px solid rgba(0, 56, 32, 0.08);
  }

  .authority {
    margin-top: -2rem;
  }

  .authority__grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 1.5rem 1rem;
  }

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

  .about__text .section__title,
  .sustainability__text .section__title {
    text-align: center;
  }

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

  .contact-form {
    grid-template-columns: 1fr;
  }

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

  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
  }

  .gallery-item figcaption {
    font-size: 0.55rem;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero__accent {
    width: 150px;
    height: 150px;
  }
}

@media (max-width: 480px) {
  .authority__grid {
    grid-template-columns: 1fr;
  }

  .cards-grid--4 {
    grid-template-columns: 1fr;
  }

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

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .section {
    padding: 3.5rem 0;
  }
}