:root {
  --azul-escuro: #053b63;
  --azul: #0e76bd;
  --azul-claro: #e6f1fa;
  --cinza: #6b7280;
  --cinza-claro: #edf0f3;
  --branco: #ffffff;
  --bg-page: #f4f6f9;
  --borda-suave: #d3d8e0;
  --radius-lg: 18px;
  --radius-md: 12px;
  --sombra-card: 0 18px 45px rgba(15, 23, 42, 0.18);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: var(--bg-page);
  color: #0f172a;
  line-height: 1.6;
}

/* ================================
   MARCA D'ÁGUA — SITE DEMONSTRAÇÃO
   ================================ */

body::after {
  content: "SITE DEMONSTRAÇÃO • EHCR TECNOLOGIAS";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;

  display: flex;
  align-items: center;
  justify-content: center;

  font-size: 2.6rem;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.14em;
  text-transform: uppercase;

  /* TEXTO SEMPRE VISÍVEL */
  color: rgba(120, 120, 120, 0.3);

  transform: rotate(-30deg);

  /* LISTRAS SEMPRE VISÍVEIS */
  background-image: repeating-linear-gradient(
    -30deg,
    rgba(120, 120, 120, 0.10) 0px,
    rgba(120, 120, 120, 0.10) 2px,
    transparent 1px,
    transparent 140px
  );
}


/* Layout base */
.container {
  width: min(1120px, 100% - 3rem);
  margin: 0 auto;
}

/* HEADER */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 59, 99, 0.96);
  backdrop-filter: blur(16px);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.35);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.9rem;
  gap: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--branco);
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: linear-gradient(145deg, var(--azul), #1e90ff);
  font-weight: 700;
  font-size: 1.15rem;
}

.logo-title {
  display: block;
  font-weight: 700;
  font-size: 1rem;
}

.logo-subtitle {
  display: block;
  font-size: 0.72rem;
  opacity: 0.8;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-list {
  list-style: none;
  display: flex;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
}

.nav-list a {
  text-decoration: none;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.82);
  padding-bottom: 0.25rem;
  border-bottom: 2px solid transparent;
  transition: 0.2s ease;
}

.nav-list a:hover {
  border-bottom-color: #38bdf8;
  color: #f9fafb;
}

.nav-cta {
  font-size: 0.9rem;
  padding-inline: 1.1rem;
}

/* Botão mobile */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--branco);
  border-radius: 999px;
  transition: 0.2s;
}

/* BOTÕES */
.btn-primario,
.btn-secundario {
  border-radius: 999px;
  padding: 0.8rem 1.4rem;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease,
    background 0.15s ease, color 0.15s ease;
}

.btn-primario {
  background: linear-gradient(135deg, var(--azul), var(--azul-escuro));
  color: var(--branco);
  box-shadow: 0 12px 35px rgba(37, 99, 235, 0.35);
}

.btn-primario:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 40px rgba(37, 99, 235, 0.48);
}

.btn-secundario {
  background: transparent;
  color: var(--azul-escuro);
  border: 1px solid rgba(148, 163, 184, 0.8);
}

.btn-secundario:hover {
  background: rgba(255, 255, 255, 0.85);
}

/* SEÇÕES */
.secao {
  padding-block: 4.5rem;
}

.secao-alternada {
  background: var(--branco);
}

.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-kicker {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--azul);
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.section-header h2 {
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
  margin-bottom: 0.4rem;
}

.section-subtitle {
  max-width: 600px;
  margin: 0.5rem auto 0;
  color: var(--cinza);
  font-size: 0.95rem;
}

/* HERO */
.hero {
  padding-top: 5rem;
  padding-bottom: 4rem;
  background: radial-gradient(circle at top left, #1d4ed8 0, #020617 38%),
    linear-gradient(180deg, #020617 0, #020617 100%);
  color: var(--branco);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(2rem, 3vw, 2.6rem);
  line-height: 1.15;
  margin: 0.4rem 0 0.8rem;
}

.hero-subtitle {
  color: rgba(226, 232, 240, 0.9);
  max-width: 520px;
  font-size: 0.98rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.3rem;
}

.hero-infos {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 2rem;
}

.hero-info-item {
  min-width: 120px;
}

.hero-info-num {
  display: block;
  font-size: 1.7rem;
  font-weight: 700;
}

.hero-info-label {
  font-size: 0.8rem;
  color: rgba(148, 163, 184, 0.95);
}

.hero-visual {
  position: relative;
  display: grid;
  gap: 1rem;
}

.hero-card {
  background: rgba(15, 23, 42, 0.92);
  border-radius: var(--radius-lg);
  padding: 1.2rem 1.4rem;
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: var(--sombra-card);
  font-size: 0.9rem;
}

.hero-card--rastreamento h3 {
  margin-top: 0;
  margin-bottom: 0.4rem;
  font-size: 1rem;
}

.rastreamento-form {
  display: flex;
  gap: 0.5rem;
  margin: 0.9rem 0;
}

.rastreamento-form input {
  flex: 1;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  background: rgba(15, 23, 42, 0.86);
  color: var(--branco);
  padding: 0.5rem 0.9rem;
  font-size: 0.85rem;
}

.rastreamento-form input::placeholder {
  color: rgba(148, 163, 184, 0.8);
}

.rastreamento-form button {
  border-radius: 999px;
  padding: 0.5rem 0.9rem;
  border: none;
  background: #22c55e;
  color: #0f172a;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.rastreamento-form button:hover {
  filter: brightness(1.05);
}

.rastreamento-status {
  font-size: 0.8rem;
  color: rgba(209, 213, 219, 0.95);
}

.hero-card--selo {
  max-width: 210px;
  margin-left: auto;
  background: linear-gradient(135deg, #0f172a, #1d4ed8);
}

.hero-card--selo p {
  margin: 0;
  font-size: 0.8rem;
  color: rgba(209, 213, 219, 0.9);
}

.hero-card--selo strong {
  display: block;
  margin-top: 0.2rem;
  font-size: 1.1rem;
}

/* Caminhão ilustrativo */
.hero-illustration {
  margin-top: 0.2rem;
  padding: 1rem 1.2rem;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top, #1e40af, #020617);
  border: 1px solid rgba(148, 163, 184, 0.4);
}

.truck {
  position: relative;
  margin-bottom: 0.7rem;
  height: 60px;
}

.truck-cab {
  position: absolute;
  left: 0;
  bottom: 10px;
  width: 60px;
  height: 38px;
  background: linear-gradient(135deg, #38bdf8, #0ea5e9);
  border-radius: 14px 10px 4px 4px;
}

.truck-body {
  position: absolute;
  left: 55px;
  bottom: 10px;
  width: 140px;
  height: 40px;
  border-radius: 6px;
  background: linear-gradient(135deg, #e5e7eb, #cbd5f5);
}

.truck-wheel {
  position: absolute;
  bottom: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #020617;
  box-shadow: 0 0 0 4px #475569;
}

.wheel-left {
  left: 25px;
}

.wheel-right {
  left: 135px;
}

.hero-illustration-text {
  font-size: 0.82rem;
  color: rgba(226, 232, 240, 0.9);
}

/* CARDS */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.6rem;
}

.card {
  background: var(--branco);
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.4rem;
  box-shadow: 0 14px 35px rgba(15, 23, 42, 0.06);
  border: 1px solid rgba(148, 163, 184, 0.35);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border 0.18s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sombra-card);
  border-color: rgba(96, 165, 250, 0.9);
}

.card-icon {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.card h3 {
  font-size: 1rem;
  margin: 0.2rem 0 0.5rem;
}

.card p {
  font-size: 0.9rem;
  color: var(--cinza);
}

.card-list {
  margin-top: 0.8rem;
  margin-bottom: 0;
  padding-left: 1.1rem;
  font-size: 0.85rem;
  color: #4b5563;
}

/* SOBRE */
.sobre-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.sobre-texto p {
  font-size: 0.95rem;
}

.sobre-pontos {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.2rem;
}

.sobre-ponto-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--azul);
  font-weight: 700;
}

.sobre-ponto p {
  margin: 0.15rem 0 0;
  font-size: 0.86rem;
  color: var(--cinza);
}

.sobre-destaque {
  display: grid;
  gap: 1rem;
}

.sobre-card {
  background: var(--azul-claro);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.5rem;
  border: 1px solid rgba(148, 163, 184, 0.6);
}

.sobre-card h3 {
  margin-top: 0;
  margin-bottom: 0.6rem;
}

.sobre-card ul {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.9rem;
}

.sobre-selos {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.selo {
  background: var(--branco);
  border-radius: var(--radius-md);
  padding: 0.8rem 0.9rem;
  text-align: center;
  border: 1px solid var(--borda-suave);
}

.selo-titulo {
  display: block;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--azul-escuro);
}

.selo-subtitulo {
  font-size: 0.75rem;
  color: var(--cinza);
}

/* FROTA */
.frota-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.6rem;
}

.frota-card {
  background: var(--branco);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.4rem 1.5rem;
  border: 1px solid var(--borda-suave);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
}

.frota-tag {
  display: inline-flex;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: var(--azul-claro);
  color: var(--azul-escuro);
  margin-bottom: 0.7rem;
}

.frota-card h3 {
  margin: 0 0 0.3rem;
  font-size: 1rem;
}

.frota-card p {
  margin: 0 0 0.7rem;
  font-size: 0.9rem;
  color: var(--cinza);
}

.frota-card ul {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.85rem;
  color: #4b5563;
}

/* CTA */
.cta {
  background: linear-gradient(135deg, var(--azul-escuro), var(--azul));
  color: var(--branco);
  padding-block: 3.5rem;
}

.cta-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.cta-texto h2 {
  margin: 0 0 0.5rem;
  font-size: 1.6rem;
}

.cta-texto p {
  margin: 0;
  font-size: 0.95rem;
  color: rgba(226, 232, 240, 0.92);
}

.btn-cta {
  white-space: nowrap;
  background: var(--branco);
  color: var(--azul-escuro);
  box-shadow: 0 14px 35px rgba(15, 23, 42, 0.4);
}

/* CONTATO */
.contato-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.1fr);
  gap: 2.2rem;
  align-items: start;
}

.contato-bloco {
  margin-top: 1.2rem;
  font-size: 0.9rem;
}

.contato-bloco h3 {
  margin: 0 0 0.4rem;
}

.contato-form-wrapper {
  background: var(--branco);
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.5rem;
  box-shadow: 0 14px 35px rgba(15, 23, 42, 0.06);
  border: 1px solid rgba(148, 163, 184, 0.35);
}

.contato-form {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.form-grupo {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

label {
  font-size: 0.8rem;
  font-weight: 600;
  color: #4b5563;
}

input,
select,
textarea {
  border-radius: 10px;
  border: 1px solid #d1d5db;
  padding: 0.6rem 0.75rem;
  font-size: 0.9rem;
  font-family: inherit;
  transition: border 0.15s ease, box-shadow 0.15s ease;
  background: #f9fafb;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.35);
  background: var(--branco);
}

textarea {
  resize: vertical;
}

.form-btn {
  margin-top: 0.4rem;
}

.form-feedback {
  font-size: 0.8rem;
  color: #16a34a;
  min-height: 1rem;
}

/* FOOTER */
.footer {
  background: #020617;
  color: rgba(148, 163, 184, 0.95);
  padding-top: 2.5rem;
  padding-bottom: 1.4rem;
  margin-top: 2.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, minmax(0, 1fr));
  gap: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.3);
}

.footer-logo .logo-mark {
  background: linear-gradient(145deg, #1d4ed8, #38bdf8);
}

.footer-desc {
  margin-top: 0.9rem;
  font-size: 0.86rem;
  max-width: 360px;
}

.footer-col h4 {
  margin-top: 0;
  margin-bottom: 0.6rem;
  font-size: 0.92rem;
  color: #e5e7eb;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.86rem;
}

.footer-links li + li {
  margin-top: 0.25rem;
}

.footer-links a {
  color: inherit;
  text-decoration: none;
}

.footer-links a:hover {
  color: #e5e7eb;
}

.redes-sociais {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.86rem;
}

.redes-sociais a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: inherit;
  text-decoration: none;
}

.redes-sociais a:hover {
  color: #e5e7eb;
}

.icone-rede {
  font-size: 1rem;
}

.footer-bottom {
  padding-top: 0.9rem;
  display: flex;
  justify-content: space-around;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.78rem;
}

.footer-dev {
  color: rgba(156, 163, 175, 0.9);
}

/* ANIMAÇÕES DE SCROLL */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* RESPONSIVO */
@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-visual {
    max-width: 380px;
    margin-inline: auto;
  }

  .cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sobre-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .frota-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cta-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .header-content {
    padding-block: 0.7rem;
  }

  .nav-list {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: rgba(15, 23, 42, 0.98);
    flex-direction: column;
    padding: 0.8rem 1.5rem 1.2rem;
    gap: 0.5rem;
    transform-origin: top;
    transform: scaleY(0);
    opacity: 0;
    pointer-events: none;
    transition: 0.18s ease;
  }

  .nav-list.aberto {
    transform: scaleY(1);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding-top: 4.5rem;
  }

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

  .hero-infos {
    gap: 1rem;
  }

  .cards-grid,
  .frota-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .sobre-pontos {
    grid-template-columns: minmax(0, 1fr);
  }

  .contato-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .form-grid-2 {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}