:root {
  --color-primary: #228B22;
  --color-primary-dark: #1a6b1a;
  --color-primary-light: #2db82d;
  --color-whatsapp: #25D366;
  --color-whatsapp-dark: #1da851;
  --color-white: #ffffff;
  --color-off-white: #f8faf8;
  --color-gray-light: #e8ece8;
  --color-gray: #666666;
  --color-gray-dark: #333333;
  --color-text: #2d2d2d;
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --max-width: 1100px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  font-size: 18px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-white);
  padding-bottom: 100px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  z-index: 9999;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: var(--spacing-sm);
}

@media (min-width: 768px) {
  body {
    padding-bottom: 0;
    padding-top: 70px;
  }
}

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

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
}

h1, h2, h3 {
  margin: 0 0 var(--spacing-md);
  line-height: 1.2;
  color: var(--color-gray-dark);
}

h1 {
  font-size: 1.75rem;
}

h2 {
  font-size: 1.5rem;
  text-align: center;
}

h3 {
  font-size: 1.25rem;
}

@media (min-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  h2 {
    font-size: 2rem;
  }
  h3 {
    font-size: 1.375rem;
  }
}

p {
  margin: 0 0 var(--spacing-md);
}

a {
  color: var(--color-primary);
  text-decoration: underline;
}

a:hover,
a:focus {
  color: var(--color-primary-dark);
}

a:focus {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

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

.icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 1.125rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease;
  text-align: center;
}

.btn:focus {
  outline: 3px solid var(--color-primary-dark);
  outline-offset: 2px;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

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

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

.btn--secondary {
  background-color: var(--color-white);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--secondary:hover,
.btn--secondary:focus {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn--large {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 1.25rem;
}

.site-header {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-md) 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  text-align: center;
}

@media (min-width: 768px) {
  .logo {
    font-size: 1.75rem;
    text-align: left;
  }
}

.sticky-contact-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.15);
  padding: var(--spacing-xs) 0;
  z-index: 1000;
}

.sticky-contact-bar .container {
  display: flex;
  gap: var(--spacing-xs);
  justify-content: center;
}

.contact-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--border-radius);
  flex: 1;
  max-width: 140px;
  transition: background-color 0.2s ease;
}

.contact-btn .icon {
  width: 28px;
  height: 28px;
}

.contact-btn span {
  text-align: center;
  line-height: 1.2;
}

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

.contact-btn--whatsapp:hover,
.contact-btn--whatsapp:focus {
  background-color: var(--color-whatsapp-dark);
  color: var(--color-white);
}

.contact-btn--phone {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.contact-btn--phone:hover,
.contact-btn--phone:focus {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
}

.contact-btn--email {
  background-color: var(--color-gray-light);
  color: var(--color-gray-dark);
}

.contact-btn--email:hover,
.contact-btn--email:focus {
  background-color: var(--color-gray);
  color: var(--color-white);
}

@media (min-width: 768px) {
  .sticky-contact-bar {
    position: fixed;
    top: 0;
    bottom: auto;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  }

  .contact-btn {
    flex-direction: row;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    max-width: none;
  }

  .contact-btn .icon {
    width: 24px;
    height: 24px;
  }
}

.hero {
  background-color: var(--color-off-white);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.hero-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.hero-tagline {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-gray);
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.05em;
}

.hero h1 {
  color: var(--color-primary-dark);
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--color-gray);
  margin-bottom: var(--spacing-lg);
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.trust-intro {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-sm);
}

@media (min-width: 768px) {
  .hero {
    padding: var(--spacing-xxl) 0;
  }

  .hero-brand {
    font-size: 2rem;
  }

  .hero-tagline {
    font-size: 1.25rem;
  }

  .hero-subtitle {
    font-size: 1.375rem;
  }

  .trust-intro {
    font-size: 1.25rem;
  }

  .hero-buttons {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
  }
}

.trust-points {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
  max-width: 500px;
  margin: 0 auto;
}

.trust-points li {
  padding: var(--spacing-xs) 0;
  padding-left: var(--spacing-lg);
  position: relative;
  color: var(--color-gray-dark);
}

.trust-points li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

.quote-strip {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-lg) 0;
  text-align: center;
}

.quote-text {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
}

.quote-strip .btn--primary {
  background-color: var(--color-white);
  color: var(--color-primary);
}

.quote-strip .btn--primary:hover,
.quote-strip .btn--primary:focus {
  background-color: var(--color-gray-light);
  color: var(--color-primary-dark);
}

section {
  padding: var(--spacing-xl) 0;
}

@media (min-width: 768px) {
  section {
    padding: var(--spacing-xxl) 0;
  }
}

section > .container {
  text-align: center;
}

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

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

@media (min-width: 600px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background-color: var(--color-off-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  text-align: left;
  transition: box-shadow 0.2s ease;
}

.service-card:hover {
  box-shadow: var(--shadow);
}

.service-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-sm);
}

.service-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-white);
}

.service-card h3 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xs);
}

.service-card p {
  color: var(--color-gray);
  margin-bottom: 0;
  font-size: 1rem;
}

.services-note {
  color: var(--color-gray);
  margin-bottom: var(--spacing-md);
}

.how-it-works {
  background-color: var(--color-off-white);
}

.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  text-align: left;
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
    text-align: center;
  }
}

.step {
  position: relative;
}

.step-number {
  width: 48px;
  height: 48px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

@media (min-width: 768px) {
  .step-number {
    margin: 0 auto var(--spacing-sm);
  }
}

.step h3 {
  margin-bottom: var(--spacing-xs);
}

.step p {
  color: var(--color-gray);
  margin-bottom: 0;
}

.waste-disposal {
  background-color: var(--color-white);
}

.waste-intro {
  color: var(--color-gray);
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
}

.waste-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  text-align: left;
}

@media (min-width: 768px) {
  .waste-features {
    grid-template-columns: repeat(3, 1fr);
    text-align: center;
  }
}

.waste-feature {
  padding: var(--spacing-md);
  background-color: var(--color-off-white);
  border-radius: var(--border-radius);
}

.waste-icon {
  width: 56px;
  height: 56px;
  background-color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-sm);
}

@media (min-width: 768px) {
  .waste-icon {
    margin: 0 auto var(--spacing-sm);
  }
}

.waste-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-white);
}

.waste-feature h3 {
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.waste-feature p {
  color: var(--color-gray);
  margin-bottom: 0;
}

.areas {
  background-color: var(--color-off-white);
}

.areas-intro {
  color: var(--color-gray);
}

.areas-list {
  list-style: none;
  padding: 0;
  margin: var(--spacing-lg) 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xs);
  text-align: left;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 600px) {
  .areas-list {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .areas-list {
    grid-template-columns: repeat(4, 1fr);
  }
}

.areas-list li {
  padding: var(--spacing-xs);
  background-color: var(--color-off-white);
  border-radius: var(--border-radius);
  text-align: center;
}

.areas-note {
  color: var(--color-gray);
  margin-bottom: var(--spacing-md);
}

.gallery {
  background-color: var(--color-off-white);
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

@media (min-width: 600px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.gallery-item {
  margin: 0;
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.gallery-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background-color: var(--color-gray-light);
}

.gallery-item figcaption {
  padding: var(--spacing-sm);
  font-size: 0.9375rem;
  color: var(--color-gray-dark);
  text-align: center;
}

.gallery-cta {
  margin-top: var(--spacing-lg);
  color: var(--color-gray);
  font-size: 1rem;
}

.gallery-cta a {
  color: var(--color-primary);
  font-weight: 600;
}

.gallery-cta a:hover {
  text-decoration: underline;
}

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

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

@media (min-width: 600px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial {
  background-color: var(--color-off-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  margin: 0;
  text-align: left;
  border-left: 4px solid var(--color-primary);
}

.testimonial p {
  font-style: italic;
  margin-bottom: var(--spacing-sm);
  color: var(--color-gray-dark);
}

.testimonial cite {
  font-style: normal;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.faq {
  background-color: var(--color-off-white);
}

.faq-list {
  max-width: 700px;
  margin: var(--spacing-lg) auto;
  text-align: left;
}

.faq-item {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  background: none;
  border: none;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-gray-dark);
  cursor: pointer;
  text-align: left;
  transition: background-color 0.2s ease;
}

.faq-question:hover {
  background-color: var(--color-off-white);
}

.faq-question:focus {
  outline: 3px solid var(--color-primary);
  outline-offset: -3px;
}

.faq-question span {
  flex: 1;
  padding-right: var(--spacing-sm);
}

.faq-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  color: var(--color-primary);
  transition: transform 0.2s ease;
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 var(--spacing-md) var(--spacing-md);
}

.faq-answer[hidden] {
  display: none;
}

.faq-answer p {
  margin: 0;
  color: var(--color-gray);
}

.faq-note {
  color: var(--color-gray);
  margin-bottom: var(--spacing-md);
}

.site-footer {
  background-color: var(--color-gray-dark);
  color: var(--color-white);
  padding: var(--spacing-xl) 0 var(--spacing-lg);
}

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

@media (min-width: 768px) {
  .footer-content {
    text-align: left;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
  }
}

.footer-logo {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.footer-contact {
  margin-bottom: var(--spacing-sm);
}

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

.footer-contact a:hover,
.footer-contact a:focus {
  color: var(--color-whatsapp);
}

.footer-area {
  color: var(--color-gray-light);
  margin-bottom: var(--spacing-md);
}

.footer-whatsapp a {
  color: var(--color-whatsapp);
}

.footer-whatsapp a:hover,
.footer-whatsapp a:focus {
  color: var(--color-whatsapp-dark);
}

.footer-social {
  margin: var(--spacing-sm) 0;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: #1877F2;
  text-decoration: none;
  font-weight: 500;
}

.social-link:hover,
.social-link:focus {
  text-decoration: underline;
}

.social-link .icon {
  width: 20px;
  height: 20px;
}

.footer-legal {
  font-size: 0.875rem;
  color: var(--color-gray-light);
}

.footer-legal p {
  margin-bottom: var(--spacing-sm);
}

.footer-app a {
  color: var(--color-gray-light);
}

.footer-app a:hover,
.footer-app a:focus {
  color: var(--color-white);
}

@media print {
  .sticky-contact-bar {
    display: none;
  }
  
  body {
    padding: 0;
  }
}