/* ========================================
   RESET & BASE STYLES
   ======================================== */

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

:root {
  /* Color Palette - Baseado no logo/banner */
  --primary-color: #17a2b8; /* Turquoise do logo */
  --secondary-color: #0ca0b8; /* Cyan mais claro */
  --dark-bg: #0d3d4d; /* Dark teal do banner */
  --darker-bg: #0a2a35; /* Mais escuro ainda */
  --light-bg: #f0f9fa; /* Cinza muito claro com hint de cyan */
  --text-dark: #1e293b;
  --text-light: #64748b;
  --white: #ffffff;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  /* Typography */
  --font-main:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
    Cantarell, sans-serif;
}

body {
  font-family: var(--font-main);
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--white);
}

/* ========================================
   CONTAINER & LAYOUT
   ======================================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ========================================
   NAVIGATION
   ======================================== */

.navbar {
  background-color: var(--white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: var(--spacing-sm) 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.logo:hover {
  opacity: 0.8;
}

.logo-img {
  height: 40px;
  width: auto;
}

.logo span {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
}

.nav-links a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  transition: color 0.3s ease;
}

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

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

.hero {
  position: relative;
  color: var(--white);
  padding: var(--spacing-xl) 0;
  text-align: center;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-banner {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("../images/banner.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
}

.hero-banner::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(13, 61, 77, 0.85) 0%,
    rgba(23, 162, 184, 0.75) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-logo {
  height: 120px;
  width: auto;
  margin-bottom: var(--spacing-md);
  filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.3));
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  line-height: 1.2;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero .tagline {
  font-size: 1.25rem;
  opacity: 0.95;
  font-weight: 300;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* ========================================
   SECTIONS
   ======================================== */

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

section h2 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-dark);
  text-align: center;
}

/* About Preview Section */
.about-preview {
  background-color: var(--light-bg);
  text-align: center;
}

.about-preview p {
  font-size: 1.125rem;
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto var(--spacing-md);
  line-height: 1.8;
}

/* Blog Section */
.blog-section {
  background-color: var(--white);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.blog-card {
  background: var(--white);
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: var(--spacing-md);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.blog-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
}

.blog-card h3 a {
  color: var(--text-dark);
  text-decoration: none;
  transition: color 0.3s ease;
}

.blog-card h3 a:hover {
  color: var(--primary-color);
}

.blog-card .date {
  color: var(--text-light);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-sm);
}

.blog-card .excerpt {
  color: var(--text-light);
  line-height: 1.6;
}

.loading {
  text-align: center;
  color: var(--text-light);
  font-style: italic;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  background-color: var(--primary-color);
  color: var(--white);
  text-decoration: none;
  border-radius: 6px;
  font-weight: 600;
  transition:
    background-color 0.3s ease,
    transform 0.2s ease;
}

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

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

.footer {
  background-color: var(--dark-bg);
  color: var(--white);
  text-align: center;
  padding: var(--spacing-md) 0;
  margin-top: var(--spacing-lg);
}

.footer a {
  color: var(--white);
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.footer a:hover {
  opacity: 0.8;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero .tagline {
    font-size: 1rem;
  }

  .nav-links {
    gap: var(--spacing-sm);
  }

  section h2 {
    font-size: 2rem;
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   CONTACT PAGE
   ======================================== */

.contact-section {
  padding: var(--spacing-xl) 0;
  min-height: 70vh;
}

.contact-section h1 {
  font-size: 3rem;
  text-align: center;
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
}

.intro-text {
  text-align: center;
  font-size: 1.25rem;
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
}

.contact-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.contact-card {
  background: var(--white);
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: var(--spacing-md);
  text-align: center;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.contact-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.contact-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
}

.contact-card p {
  color: var(--text-light);
  margin-bottom: var(--spacing-sm);
  line-height: 1.6;
}

.contact-link {
  display: inline-block;
  color: var(--primary-color);
  font-weight: 600;
  text-decoration: none;
  margin-top: var(--spacing-xs);
  transition: color 0.3s ease;
}

.contact-link:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

.language-note {
  font-size: 0.875rem;
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px solid #e2e8f0;
}

.language-note em {
  display: block;
  margin-bottom: var(--spacing-xs);
  color: var(--text-light);
}

.language-note a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
}

.language-note a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .contact-section h1 {
    font-size: 2rem;
  }

  .intro-text {
    font-size: 1rem;
  }
}
/* ========================================
   ABOUT PAGE
   ======================================== */

.about-section {
  padding: var(--spacing-xl) 0;
  min-height: 70vh;
  background-color: var(--white);
}

.about-section h1 {
  font-size: 3rem;
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--text-dark);
}

.about-content {
  max-width: 900px;
  margin: 0 auto;
}

.about-intro,
.about-mission,
.about-topics,
.about-journey,
.about-cta {
  margin-bottom: var(--spacing-lg);
  background: var(--white);
  padding: var(--spacing-md);
  border-radius: 12px;
}

/* Intro Section - Light background */
.about-intro {
  background: var(--light-bg);
  border-left: 4px solid var(--primary-color);
}

.about-intro h2,
.about-mission h2,
.about-topics h2,
.about-journey h2,
.about-cta h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-dark);
}

.about-intro p,
.about-mission p,
.about-journey p {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-dark);
  margin-bottom: var(--spacing-sm);
}

/* Mission Section - With gradient background but readable */
.about-mission {
  background: linear-gradient(
    135deg,
    var(--dark-bg) 0%,
    var(--primary-color) 100%
  );
  color: var(--white);
  padding: var(--spacing-lg);
}

.about-mission h2,
.about-mission p {
  color: var(--white);
}

.about-mission ul {
  list-style: none;
  padding-left: 0;
  margin-top: var(--spacing-md);
}

.about-mission ul li {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--white);
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-md);
  position: relative;
}

.about-mission ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--white);
  font-weight: bold;
  font-size: 1.25rem;
}

/* Topics Section - Back to white */
.about-topics {
  background: var(--white);
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.topic-card {
  background: var(--white);
  border: 2px solid var(--primary-color);
  border-radius: 8px;
  padding: var(--spacing-md);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.topic-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(23, 162, 184, 0.2);
  background: var(--light-bg);
}

.topic-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
}

.topic-card p {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-dark);
  margin: 0;
}

/* Journey Section - Light background */
.about-journey {
  background: var(--light-bg);
}

.about-journey ul {
  list-style: none;
  padding-left: 0;
  margin-top: var(--spacing-md);
}

.about-journey ul li {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-dark);
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-md);
  position: relative;
}

.about-journey ul li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

/* CTA Section - Strong gradient with white text */
.about-cta {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  color: var(--white);
  padding: var(--spacing-lg);
  border-radius: 12px;
  text-align: center;
}

.about-cta h2 {
  color: var(--white);
}

.about-cta p {
  color: var(--white);
  opacity: 0.95;
  font-size: 1.125rem;
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
}

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

.btn-secondary:hover {
  background-color: var(--light-bg);
  color: var(--dark-bg);
}

@media (max-width: 768px) {
  .about-section h1 {
    font-size: 2rem;
  }

  .about-intro h2,
  .about-mission h2,
  .about-topics h2,
  .about-journey h2,
  .about-cta h2 {
    font-size: 1.5rem;
  }

  .topics-grid {
    grid-template-columns: 1fr;
  }

  .cta-buttons {
    flex-direction: column;
  }
}

/* ========================================
   LANGUAGE SWITCHER
   ======================================== */

.language-switcher {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.language-switcher a {
  text-decoration: none;
  color: var(--text-light);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.language-switcher a:hover {
  color: var(--primary-color);
  background: var(--light-bg);
}

.language-switcher a.active {
  color: var(--white);
  background: var(--primary-color);
}

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

  .language-switcher {
    order: 3;
    width: 100%;
    justify-content: center;
    margin-top: var(--spacing-xs);
    padding-top: var(--spacing-xs);
    border-top: 1px solid #e2e8f0;
  }
}

/* ========================================
   BLOG PAGE STYLES
   ======================================== */

.blog-header {
  background: linear-gradient(
    135deg,
    var(--dark-bg) 0%,
    var(--primary-color) 100%
  );
  color: var(--white);
  padding: var(--spacing-lg) 0;
  text-align: center;
}

.blog-header h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.blog-header .tagline {
  font-size: 1.125rem;
  opacity: 0.95;
}

.blog-posts-section {
  padding: var(--spacing-lg) 0;
  background-color: var(--light-bg);
}

.blog-posts-full {
  max-width: 800px;
  margin: 0 auto;
}

.blog-post-full {
  background: var(--white);
  border-radius: 12px;
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.blog-post-full:last-child {
  margin-bottom: 0;
}

.post-header {
  border-bottom: 2px solid var(--light-bg);
  padding-bottom: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.post-title {
  font-size: 2rem;
  color: var(--text-dark);
  margin-bottom: var(--spacing-sm);
  line-height: 1.3;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  font-size: 0.9rem;
  color: var(--text-light);
}

.post-date,
.post-author {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.post-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.post-link:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

.post-content {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-dark);
}

.post-content p {
  margin-bottom: var(--spacing-sm);
}

.post-content h2 {
  font-size: 1.75rem;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
}

.post-content h3 {
  font-size: 1.5rem;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
}

.post-content ul,
.post-content ol {
  margin-left: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.post-content li {
  margin-bottom: 0.5rem;
}

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

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

.post-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: var(--spacing-md) 0;
}

.post-content blockquote {
  border-left: 4px solid var(--primary-color);
  padding-left: var(--spacing-md);
  margin: var(--spacing-md) 0;
  font-style: italic;
  color: var(--text-light);
}

.post-content code {
  background: var(--light-bg);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-family: "Courier New", monospace;
  font-size: 0.9em;
}

.post-content pre {
  background: var(--dark-bg);
  color: var(--white);
  padding: var(--spacing-md);
  border-radius: 8px;
  overflow-x: auto;
  margin: var(--spacing-md) 0;
}

.post-content pre code {
  background: none;
  padding: 0;
  color: var(--white);
}

@media (max-width: 768px) {
  .blog-header h1 {
    font-size: 2rem;
  }

  .post-title {
    font-size: 1.5rem;
  }

  .post-meta {
    flex-direction: column;
    gap: var(--spacing-xs);
  }

  .post-content {
    font-size: 1rem;
  }
}

/* Read more link in blog cards */
.blog-card .read-more {
  display: inline-block;
  margin-top: var(--spacing-sm);
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.blog-card .read-more:hover {
  color: var(--secondary-color);
}

/* Back to posts button */
.back-to-posts {
  margin-bottom: var(--spacing-md);
}

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background-color: var(--light-bg);
  color: var(--text-dark);
  text-decoration: none;
  border-radius: 6px;
  font-weight: 600;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

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

/* Single post view adjustments */
.blog-post-full h1.post-title {
  font-size: 2.5rem;
}

.blog-post-full h2.post-title a {
  color: var(--text-dark);
  text-decoration: none;
  transition: color 0.3s ease;
}

.blog-post-full h2.post-title a:hover {
  color: var(--primary-color);
}