/* ===================================
   FRENTE RIO - ESTILOS PRINCIPAIS
   =================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-green: #00C853;
  --primary-red: #FF0000;
  --dark-gray: #333333;
  --light-gray: #f5f5f5;
  --text-gray: #666666;
  --white: #ffffff;
  --black: #000000;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
  line-height: 1.6;
  color: var(--text-gray);
  background-color: var(--white);
}

/* ===================================
   HEADER E NAVEGAÇÃO
   =================================== */

header {
  background-color: var(--white);
  padding: 15px 0;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo img {
  height: 60px;
  width: auto;
}

nav {
  display: flex;
  gap: 30px;
  align-items: center;
}

nav a {
  text-decoration: none;
  color: var(--dark-gray);
  font-weight: 500;
  font-size: 14px;
  transition: color 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

nav a:hover {
  color: var(--primary-green);
}

nav a.active {
  color: var(--primary-green);
  border-bottom: 2px solid var(--primary-green);
  padding-bottom: 5px;
}

.cta-button {
  background-color: var(--primary-green);
  color: var(--white);
  padding: 10px 20px;
  border-radius: 4px;
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
  transition: background-color 0.3s ease;
  display: inline-block;
}

.cta-button:hover {
  background-color: #00A040;
}

/* ===================================
   MENU MOBILE
   =================================== */

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

.menu-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--dark-gray);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ===================================
   HERO SECTION
   =================================== */

.hero {
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../img/img-home-1.jpeg') center/cover no-repeat;
  height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  position: relative;
}

.hero-content {
  max-width: 600px;
  z-index: 2;
}

.hero h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero p {
  font-size: 18px;
  margin-bottom: 30px;
  opacity: 0.9;
}

.hero-cta {
  background-color: var(--white);
  color: var(--primary-red);
  padding: 15px 30px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  transition: all 0.3s ease;
  font-size: 14px;
}

.hero-cta:hover {
  background-color: var(--light-gray);
  transform: translateY(-2px);
}

/* ===================================
   SEÇÕES PRINCIPAIS
   =================================== */

section {
  padding: 60px 20px;
}

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

section h2 {
  font-size: 36px;
  color: var(--dark-gray);
  margin-bottom: 40px;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  padding-bottom: 15px;
}

section h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background-color: var(--primary-green);
}

section h3 {
  font-size: 24px;
  color: var(--dark-gray);
  margin-bottom: 20px;
  font-weight: 600;
}

section p {
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 15px;
}

/* ===================================
   SEÇÃO QUEM SOMOS
   =================================== */

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

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

.about-text h2 {
  margin-bottom: 30px;
}

.about-text p {
  margin-bottom: 20px;
}

.about-text strong {
  color: var(--dark-gray);
  font-weight: 600;
}

.about-image {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

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

.mission-vision-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 50px;
}

.mvv-card {
  background-color: var(--light-gray);
  padding: 30px;
  border-radius: 8px;
  border-top: 4px solid var(--primary-green);
}

.mvv-card h4 {
  font-size: 18px;
  color: var(--dark-gray);
  margin-bottom: 15px;
  font-weight: 600;
  text-transform: uppercase;
}

.mvv-card p {
  font-size: 14px;
  line-height: 1.7;
}

.mvv-card ul {
  list-style: none;
  padding-left: 0;
}

.mvv-card li {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 10px;
  padding-left: 20px;
  position: relative;
}

.mvv-card li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--primary-green);
  font-weight: bold;
}

/* ===================================
   SEÇÃO O QUE FAZEMOS
   =================================== */

.services-section {
  background-color: var(--light-gray);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 40px;
}

.service-card {
  background-color: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.service-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  background-color: var(--light-gray);
}

.service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-content {
  padding: 30px;
}

.service-content h3 {
  margin-bottom: 15px;
  color: var(--dark-gray);
}

.service-content p {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-list {
  list-style: none;
  padding-left: 0;
}

.service-list li {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 8px;
  padding-left: 20px;
  position: relative;
}

.service-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-green);
  font-weight: bold;
}

/* ===================================
   SEÇÃO CONTATO
   =================================== */

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

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-form {
  background-color: var(--light-gray);
  padding: 40px;
  border-radius: 8px;
}

.contact-form h3 {
  margin-bottom: 10px;
}

.contact-form > p {
  margin-bottom: 30px;
  font-size: 14px;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--dark-gray);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-family: inherit;
  font-size: 14px;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-green);
  box-shadow: 0 0 0 3px rgba(0, 200, 83, 0.1);
}

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

.submit-button {
  background-color: var(--black);
  color: var(--white);
  padding: 12px 30px;
  border: none;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s ease;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.5px;
}

.submit-button:hover {
  background-color: var(--primary-green);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.info-block h4 {
  font-size: 14px;
  color: var(--dark-gray);
  margin-bottom: 15px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.info-block p {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 10px;
}

.info-block a {
  color: var(--primary-green);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.info-block a:hover {
  color: var(--primary-red);
}

/* ===================================
   FOOTER
   =================================== */

footer {
  background-color: var(--dark-gray);
  color: var(--white);
  padding: 40px 20px;
  text-align: center;
}

footer p {
  font-size: 14px;
  margin: 0;
}

footer a {
  color: var(--primary-green);
  text-decoration: none;
  transition: color 0.3s ease;
}

footer a:hover {
  color: var(--white);
}

/* ===================================
   BOTÕES GERAIS
   =================================== */

.btn {
  display: inline-block;
  padding: 12px 30px;
  background-color: var(--black);
  color: var(--white);
  text-decoration: none;
  border-radius: 4px;
  font-weight: 600;
  transition: all 0.3s ease;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.5px;
  border: none;
  cursor: pointer;
}

.btn:hover {
  background-color: var(--primary-green);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--primary-green);
  color: var(--white);
}

.btn-secondary:hover {
  background-color: #00A040;
}

/* ===================================
   UTILITÁRIOS
   =================================== */

.text-center {
  text-align: center;
}

.mt-20 {
  margin-top: 20px;
}

.mt-40 {
  margin-top: 40px;
}

.mb-20 {
  margin-bottom: 20px;
}

.mb-40 {
  margin-bottom: 40px;
}

/* ===================================
   RESPONSIVO - TABLET
   =================================== */

@media (max-width: 768px) {
  .header-container {
    flex-wrap: wrap;
  }

  nav {
    gap: 15px;
    font-size: 12px;
  }

  nav a {
    font-size: 12px;
  }

  .hero {
    height: 350px;
  }

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

  .hero p {
    font-size: 16px;
  }

  section {
    padding: 40px 20px;
  }

  section h2 {
    font-size: 28px;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .mission-vision-values {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

/* ===================================
   RESPONSIVO - MOBILE
   =================================== */

@media (max-width: 480px) {
  .header-container {
    padding: 0 15px;
  }

  .logo img {
    height: 50px;
  }

  nav {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--white);
    padding: 20px;
    gap: 10px;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
  }

  nav.active {
    display: flex;
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    height: 250px;
  }

  .hero h1 {
    font-size: 24px;
  }

  .hero p {
    font-size: 14px;
  }

  section {
    padding: 30px 15px;
  }

  section h2 {
    font-size: 22px;
  }

  section h3 {
    font-size: 18px;
  }

  .mvv-card,
  .contact-form {
    padding: 20px;
  }

  .btn {
    padding: 10px 20px;
    font-size: 11px;
  }
}