/* Stylesheet for EcoPlast - Sustentabilidade e Reciclagem de Plásticos */

:root {
  --primary-green: #2e5a44;
  --dark-green: #1c3b2b;
  --accent-green: #407a5d;
  --light-green: #e8f0eb;
  --offwhite-bg: #f9f9f6;
  --offwhite-card: #f1f3ed;
  --text-dark: #222523;
  --text-muted: #555b57;
  --border-color: #d1d8d3;
  --error-color: #a83232;
  --success-color: #2b6e49;
  --font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1100px;
  --border-radius: 6px;
  --transition-speed: 0.2s;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--offwhite-bg);
  color: var(--text-dark);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header & Navigation */
header {
  background-color: var(--dark-green);
  color: var(--offwhite-bg);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 3px solid var(--accent-green);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--offwhite-bg);
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.logo-tag {
  font-size: 0.8rem;
  background-color: var(--accent-green);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
  font-weight: 600;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

.nav-link {
  color: var(--offwhite-card);
  text-decoration: none;
  font-weight: 500;
  padding: 0.4rem 0.8rem;
  border-radius: var(--border-radius);
  transition: background-color var(--transition-speed), color var(--transition-speed);
}

.nav-link:hover, .nav-link.active {
  background-color: var(--primary-green);
  color: #ffffff;
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-color);
  color: var(--offwhite-bg);
  font-size: 1.5rem;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  cursor: pointer;
}

/* Main Content Layout */
main {
  flex: 1;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* Page Header / Hero Section */
.hero {
  background-color: var(--light-green);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 3rem 2rem;
  text-align: center;
  margin-bottom: 2.5rem;
}

.hero h1 {
  font-size: 2.2rem;
  color: var(--dark-green);
  margin-bottom: 1rem;
  font-weight: 700;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 800px;
  margin: 0 auto 1.5rem auto;
}

.btn-primary {
  display: inline-block;
  background-color: var(--primary-green);
  color: #ffffff;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  font-weight: 600;
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-speed);
}

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

/* Section Styling */
.section-title {
  font-size: 1.75rem;
  color: var(--dark-green);
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5rem;
}

/* Grid & Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.card {
  background-color: var(--offwhite-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.card h2, .card h3 {
  color: var(--dark-green);
  margin-bottom: 0.75rem;
  font-size: 1.3rem;
}

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

.card-footer {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-color);
}

/* Contact Page Specifics */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.contact-info {
  background-color: var(--offwhite-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
}

.info-item {
  margin-bottom: 1.25rem;
}

.info-item h4 {
  color: var(--dark-green);
  margin-bottom: 0.25rem;
  font-size: 1.1rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--dark-green);
}

.form-control {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background-color: #ffffff;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text-dark);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-green);
}

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

.form-status {
  margin-top: 1rem;
  padding: 0.75rem;
  border-radius: var(--border-radius);
  font-weight: 500;
  display: none;
}

.form-status.success {
  display: block;
  background-color: var(--light-green);
  color: var(--success-color);
  border: 1px solid var(--primary-green);
}

.form-status.error {
  display: block;
  background-color: #fdf2f2;
  color: var(--error-color);
  border: 1px solid var(--error-color);
}

/* Footer */
footer {
  background-color: var(--dark-green);
  color: var(--offwhite-card);
  text-align: center;
  padding: 1.5rem;
  margin-top: auto;
  border-top: 1px solid var(--accent-green);
  font-size: 0.9rem;
}

footer p {
  margin-bottom: 0.3rem;
}

/* Responsive styles */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--dark-green);
    padding: 1rem;
    border-bottom: 2px solid var(--accent-green);
  }

  .nav-menu.show {
    display: flex;
  }

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