/* 
Brazilian GFS - Main Stylesheet
Modern, responsive design optimized for SEO
*/

/* CSS Reset & Base Styles */
:root {
  --primary-color: #0e7c7b;
  --secondary-color: #3c1053;
  --accent-color: #f17300;
  --light-color: #f8f9fa;
  --dark-color: #212529;
  --text-color: #343a40;
  --gray-color: #6c757d;
  --border-radius: 8px;
  --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  --transition: all 0.3s ease;
}

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

html {
  font-size: 62.5%; /* 10px = 1rem for easy calculations */
  scroll-behavior: smooth;
}

body {
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  font-size: 1.6rem;
  line-height: 1.7;
  color: var(--text-color);
  background-color: #fff;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--dark-color);
}

h1 {
  font-size: 4.8rem;
}

h2 {
  font-size: 3.6rem;
}

h3 {
  font-size: 2.4rem;
}

h4 {
  font-size: 2.0rem;
}

p {
  margin-bottom: 1.5rem;
}

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

a:hover {
  color: var(--secondary-color);
}

ul, ol {
  list-style: none;
  margin-bottom: 1.5rem;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Buttons */
.btn-primary, .btn-secondary {
  display: inline-block;
  padding: 1.2rem 2.4rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-align: center;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 1.4rem;
}

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

.btn-primary:hover {
  background-color: var(--secondary-color);
  color: white;
  transform: translateY(-3px);
}

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

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

/* Section Titles */
.section-title {
  text-align: center;
  margin-bottom: 4rem;
  position: relative;
  padding-bottom: 1.5rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 8rem;
  height: 0.4rem;
  background-color: var(--accent-color);
  border-radius: 2px;
}

.section-description {
  text-align: center;
  max-width: 800px;
  margin: -2rem auto 4rem;
  color: var(--gray-color);
}

/* Header */
header {
  background-color: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 1.5rem 0;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo a {
  display: flex;
  align-items: center;
  color: var(--dark-color);
}

.logo h1 {
  font-size: 2.4rem;
  margin-bottom: 0;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.main-nav ul {
  display: flex;
  gap: 3rem;
  margin-bottom: 0;
}

.main-nav a {
  color: var(--dark-color);
  font-weight: 600;
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: var(--transition);
}

.main-nav a:hover::after {
  width: 100%;
}

.menu-toggle {
  display: none;
}

/* Hero Section */
.hero {
  background: linear-gradient(to right, rgba(60, 16, 83, 0.9), rgba(14, 124, 123, 0.8)), url('https://source.unsplash.com/random/1600x900/?brazil,rio') no-repeat center center/cover;
  color: white;
  padding: 15rem 0;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero h2 {
  font-size: 5.2rem;
  margin-bottom: 2rem;
  color: white;
}

.hero p {
  font-size: 2rem;
  margin-bottom: 3rem;
}

/* Features Section */
.features {
  padding: 10rem 0;
  background-color: var(--light-color);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
}

.feature-card {
  background-color: white;
  border-radius: var(--border-radius);
  padding: 4rem 2.5rem;
  box-shadow: var(--box-shadow);
  text-align: center;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  font-size: 5rem;
  margin-bottom: 2rem;
  color: var(--primary-color);
}

.feature-card h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

/* About Section */
.about {
  padding: 10rem 0;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-text h2 {
  margin-bottom: 3rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
}

.stat-item {
  text-align: center;
  padding: 3rem;
  border-radius: var(--border-radius);
  background-color: var(--light-color);
  box-shadow: var(--box-shadow);
}

.stat-number {
  display: block;
  font-size: 4rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

/* Testimonials Section */
.testimonials {
  padding: 10rem 0;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  color: white;
}

.testimonials .section-title {
  color: white;
}

.testimonials .section-title::after {
  background-color: white;
}

.testimonials-slider {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
}

.testimonial-item {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  padding: 4rem 3rem;
  backdrop-filter: blur(10px);
}

.testimonial-content p {
  font-size: 1.8rem;
  font-style: italic;
  margin-bottom: 2rem;
}

.testimonial-author h4 {
  color: white;
  margin-bottom: 0.5rem;
}

.testimonial-author p {
  margin-bottom: 0;
  opacity: 0.8;
}

/* Blog Preview Section */
.blog-preview {
  padding: 10rem 0;
  background-color: #fff;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
  margin-bottom: 4rem;
}

.blog-card {
  border: 1px solid #eee;
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: var(--transition);
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow);
}

.blog-card a {
  display: block;
  padding: 2.5rem;
}

.blog-card h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--dark-color);
}

.blog-meta {
  color: var(--gray-color);
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
}

.read-more {
  display: inline-block;
  font-weight: 600;
  color: var(--primary-color);
  margin-top: 1rem;
  position: relative;
}

.read-more::after {
  content: "→";
  margin-left: 0.5rem;
  transition: var(--transition);
}

.blog-card:hover .read-more::after {
  margin-left: 1rem;
}

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

/* Entertainment Section */
.entertainment {
  padding: 10rem 0;
  background-color: var(--light-color);
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
}

.resource-card {
  background-color: white;
  border-radius: var(--border-radius);
  padding: 3rem;
  box-shadow: var(--box-shadow);
}

.resource-card h3 {
  color: var(--secondary-color);
  margin-bottom: 2rem;
}

.resource-links li {
  margin-bottom: 1rem;
}

.resource-links a {
  display: inline-block;
  padding: 0.5rem 0;
  transition: var(--transition);
}

.resource-links a:hover {
  color: var(--accent-color);
  padding-left: 0.5rem;
}

/* CTA Section */
.cta {
  padding: 8rem 0;
  background: linear-gradient(to right, rgba(14, 124, 123, 0.9), rgba(60, 16, 83, 0.9)), url('https://source.unsplash.com/random/1600x900/?brazil,carnival') no-repeat center center/cover;
  color: white;
  text-align: center;
}

.cta h2 {
  color: white;
}

.cta p {
  max-width: 700px;
  margin: 0 auto 3rem;
}

.newsletter-form {
  display: flex;
  max-width: 600px;
  margin: 0 auto;
}

.newsletter-form input {
  flex-grow: 1;
  padding: 1.5rem 2rem;
  border: none;
  border-radius: var(--border-radius) 0 0 var(--border-radius);
  font-size: 1.6rem;
}

.newsletter-form button {
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

/* Footer */
footer {
  background-color: var(--dark-color);
  color: white;
  padding-top: 6rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 5rem;
}

.footer-logo h3 {
  color: white;
  margin: 1.5rem 0;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-links-column h4 {
  color: white;
  margin-bottom: 2rem;
}

.footer-links-column ul li {
  margin-bottom: 1rem;
}

.footer-links-column a {
  color: #adb5bd;
  transition: var(--transition);
}

.footer-links-column a:hover {
  color: white;
}

.footer-social h4 {
  color: white;
  margin-bottom: 2rem;
}

.social-icons {
  display: flex;
  gap: 1.5rem;
}

.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
  transition: var(--transition);
}

.social-icons a:hover {
  background-color: var(--primary-color);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2rem 0;
  margin-top: 5rem;
  display: flex;
  justify-content: space-between;
  color: #adb5bd;
}

.heart {
  color: #ff5e5b;
}

/* Responsive Styles */
@media (max-width: 992px) {
  html {
    font-size: 55%;
  }
  
  .about-content,
  .footer-content {
    grid-template-columns: 1fr;
    gap: 5rem;
  }
  
  .about-stats {
    margin-top: 3rem;
  }
  
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  html {
    font-size: 50%;
  }
  
  .menu-toggle {
    display: block;
    width: 3rem;
    height: 2.5rem;
    position: relative;
  }
  
  .menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--dark-color);
    position: absolute;
    left: 0;
    transition: var(--transition);
  }
  
  .menu-toggle span:nth-child(1) {
    top: 0;
  }
  
  .menu-toggle span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
  }
  
  .menu-toggle span:nth-child(3) {
    bottom: 0;
  }
  
  .main-nav ul {
    position: fixed;
    top: 8rem;
    left: 0;
    width: 100%;
    height: 0;
    background-color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
  }
  
  .main-nav.active ul {
    height: auto;
    padding: 3rem 0;
  }
  
  .main-nav li {
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
  }
  
  .main-nav.active li {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.3s;
  }
  
  .main-nav a {
    display: block;
    padding: 1.5rem;
  }
  
  .hero h2 {
    font-size: 4.2rem;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
  
  .newsletter-form input {
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
  }
  
  .newsletter-form button {
    border-radius: var(--border-radius);
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 576px) {
  .footer-links {
    grid-template-columns: 1fr;
  }
  
  .testimonials-slider,
  .blog-grid {
    grid-template-columns: 1fr;
  }
  
  .about-stats {
    grid-template-columns: 1fr;
  }
  
  .feature-card,
  .blog-card,
  .resource-card {
    max-width: 350px;
    margin: 0 auto;
  }
}

/* Icon fonts - using CSS for icons instead of loading external libraries */
.icon-travel:before {
  content: "✈️";
}

.icon-culture:before {
  content: "🎭";
}

.icon-cuisine:before {
  content: "🍽️";
}

.icon-entertainment:before {
  content: "🎬";
}

.icon-facebook:before {
  content: "f";
  font-family: Arial, sans-serif;
  font-weight: bold;
}

.icon-twitter:before {
  content: "t";
  font-family: Arial, sans-serif;
  font-weight: bold;
}

.icon-instagram:before {
  content: "📷";
}

.icon-youtube:before {
  content: "▶️";
}

.icon-pinterest:before {
  content: "P";
  font-family: Arial, sans-serif;
  font-weight: bold;
}

/* Accessibility focus styles */
:focus {
  outline: 3px solid var(--accent-color);
  outline-offset: 2px;
}

/* Animation classes */
.fade-in {
  animation: fadeIn 1s ease-in;
}

.slide-up {
  animation: slideUp 0.5s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    transform: translateY(30px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Print styles */
@media print {
  header, footer, .cta, .hero {
    display: none;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
  }
  
  h1, h2, h3, h4 {
    page-break-after: avoid;
  }
  
  img {
    max-width: 100% !important;
  }
  
  a {
    text-decoration: underline;
  }
}