/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-green: #88b04b;
  --accent-green: #a8d5ba;
  --background-neutral: #fafaf4;
  --text-main: #2f2f2f;
  --cta-orange: #f4a261;
  --highlight-bg: #eaf4ea;
  --white: #ffffff;
  --light-gray: #f8f9fa;
  --border-color: #e9ecef;

  --font-heading: "Nunito", sans-serif;
  --font-body: "Open Sans", sans-serif;

  --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
  --border-radius: 12px;
  --transition: all 0.3s ease;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header Styles */
.header {
  background: var(--white);
  box-shadow: var(--shadow-light);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-green);
}

.logo-icon {
  font-size: 1.8rem;
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-main);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

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

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary-green);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-main);
  margin: 3px 0;
  transition: var(--transition);
}

/* Hero Section */
.hero {
  padding: 80px 0;
  background: linear-gradient(
    135deg,
    var(--background-neutral) 0%,
    var(--highlight-bg) 100%
  );
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--primary-green);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-main);
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-main);
  margin-bottom: 2rem;
  opacity: 0.8;
}

.cta-button {
  display: inline-block;
  background: var(--cta-orange);
  color: var(--white);
  padding: 15px 30px;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: var(--transition);
  box-shadow: var(--shadow-light);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-medium);
}

/* Featured Articles */
.featured-articles {
  padding: 80px 0;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  text-align: center;
  color: var(--primary-green);
  margin-bottom: 3rem;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.article-card {
  background: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-light);
  transition: var(--transition);
}

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

.article-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.article-content {
  padding: 1.5rem;
}

.article-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--text-main);
  margin-bottom: 1rem;
  line-height: 1.3;
}

.article-excerpt {
  color: var(--text-main);
  opacity: 0.8;
  margin-bottom: 1.5rem;
}

.read-more {
  color: var(--primary-green);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.read-more:hover {
  color: var(--cta-orange);
}

/* Topics Highlight */
.topics-highlight {
  padding: 80px 0;
  background: var(--highlight-bg);
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.topic-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--border-radius);
  text-align: center;
  box-shadow: var(--shadow-light);
  transition: var(--transition);
}

.topic-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

.topic-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.topic-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--primary-green);
  margin-bottom: 1rem;
}

.topic-card p {
  color: var(--text-main);
  opacity: 0.8;
}

/* Newsletter */
.newsletter {
  padding: 60px 0;
  background: var(--primary-green);
  color: var(--white);
}

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

.newsletter h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: 1rem;
}

.newsletter p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.newsletter-form {
  display: flex;
  gap: 1rem;
  max-width: 400px;
  margin: 0 auto;
}

.email-input {
  flex: 1;
  padding: 12px 16px;
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
}

.subscribe-btn {
  background: var(--cta-orange);
  color: var(--white);
  border: none;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.subscribe-btn:hover {
  background: #e8935a;
}

/* Footer */
.footer {
  background: var(--text-main);
  color: var(--white);
  padding: 40px 0 20px;
}

.footer-content {
  text-align: center;
  margin-bottom: 2rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.footer-text {
  opacity: 0.8;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  opacity: 0.6;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--white);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: 2rem;
    transition: var(--transition);
    box-shadow: var(--shadow-medium);
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }

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

  .topics-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }

  .newsletter-form {
    flex-direction: column;
    max-width: 300px;
  }

  .section-title {
    font-size: 2rem;
  }
}

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

  .hero {
    padding: 40px 0;
  }

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

  .featured-articles,
  .topics-highlight {
    padding: 40px 0;
  }

  .article-content {
    padding: 1rem;
  }

  .topic-card {
    padding: 1.5rem;
  }
}

/* Topics page styles */
.topics-detailed-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.topic-detailed-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  transition: var(--transition);
}

.topic-detailed-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

.topic-icon-large {
  font-size: 4rem;
  margin-bottom: 1rem;
  text-align: center;
}

.topic-detailed-card h2 {
  font-family: var(--font-heading);
  color: var(--primary-green);
  margin-bottom: 1rem;
  text-align: center;
}

.topic-detailed-card > p {
  text-align: center;
  margin-bottom: 2rem;
  opacity: 0.8;
}

.topic-articles h3 {
  font-family: var(--font-heading);
  color: var(--text-main);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.topic-articles ul {
  list-style: none;
  padding: 0;
}

.topic-articles li {
  margin-bottom: 0.5rem;
}

.topic-articles a {
  color: var(--primary-green);
  text-decoration: none;
  transition: var(--transition);
}

.topic-articles a:hover {
  color: var(--cta-orange);
}

/* Activities page styles */
.activities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.activity-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  transition: var(--transition);
  text-align: center;
}

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

.activity-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.activity-card h3 {
  font-family: var(--font-heading);
  color: var(--primary-green);
  margin-bottom: 1rem;
}

.activity-card p {
  margin-bottom: 1.5rem;
  opacity: 0.8;
}

.activity-details {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  opacity: 0.7;
}

.activity-link {
  display: inline-block;
  background: var(--cta-orange);
  color: var(--white);
  padding: 10px 20px;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.activity-link:hover {
  background: #e8935a;
  transform: translateY(-2px);
}

.quick-activities {
  background: var(--highlight-bg);
  padding: 3rem 2rem;
  border-radius: var(--border-radius);
  margin-top: 3rem;
}

.quick-activities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.quick-activity {
  background: var(--white);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
}

.quick-activity h4 {
  font-family: var(--font-heading);
  color: var(--primary-green);
  margin-bottom: 0.5rem;
}

.quick-activity p {
  font-size: 0.9rem;
  opacity: 0.8;
  margin: 0;
}

/* About page enhancements */
.about-content {
  padding: 0.5rem 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text h2 {
  font-family: var(--font-heading);
  color: var(--primary-green);
  margin: 2rem 0 1rem;
}

.about-text ul {
  margin: 1rem 0 2rem;
  padding-left: 1.5rem;
}

.about-text li {
  margin-bottom: 0.5rem;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.value-item {
  text-align: center;
  padding: 1.5rem;
  background: var(--highlight-bg);
  border-radius: var(--border-radius);
}

.value-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.value-item h3 {
  font-family: var(--font-heading);
  color: var(--primary-green);
  margin-bottom: 0.5rem;
}

.value-item p {
  font-size: 0.9rem;
  opacity: 0.8;
  margin: 0;
}

.about-image img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-medium);
}

.approach-section {
  padding: 4rem 0;
  background: var(--highlight-bg);
}

.approach-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.approach-item {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  text-align: center;
}

.approach-item h3 {
  font-family: var(--font-heading);
  color: var(--primary-green);
  margin-bottom: 1rem;
}

.approach-item p {
  opacity: 0.8;
  margin: 0;
}

/* Responsive adjustments for new pages */
@media (max-width: 768px) {
  .topics-detailed-grid {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .activity-details {
    flex-direction: column;
    gap: 0.5rem;
  }

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

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

  .quick-activities-grid {
    grid-template-columns: 1fr;
  }
}

/* Evening mode styles */
.evening-mode {
  --background-neutral: #f5f5f0;
  --highlight-bg: #e8f0e8;
}

/* Reading progress indicator */
.reading-progress {
  background: var(--primary-green) !important;
}

/* Additional responsive improvements */
@media (max-width: 480px) {
  .article-meta {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }

  .article-category {
    align-self: flex-start;
  }
}

@media (max-width: 375px) {
  .logo {
    font-size: 1.2rem;
  }
}

/* Print styles for articles */
@media print {
  .header,
  .footer,
  .article-navigation {
    display: none;
  }

  .article-content {
    max-width: none;
    font-size: 12pt;
    line-height: 1.5;
  }

  .article-title {
    font-size: 18pt;
    color: black;
  }

  .highlight-box,
  .example-box,
  .template-box {
    border: 1px solid #ccc;
    break-inside: avoid;
  }
}

/* Page Title and Description Styles */
.page-header {
  padding-top: 60px;
  padding-bottom: 40px;
}

.page-title {
  font-family: var(--font-heading);
  font-size: 2.7rem;
  color: var(--primary-green);
  text-align: center;
  margin-bottom: 1rem;
}

.page-description {
  font-size: 1.2rem;
  color: var(--text-main);
  text-align: center;
  opacity: 0.85;
  margin-bottom: 0;
}

.articles-listing {
  padding-top: 40px;
  padding-bottom: 40px;
}

/* Article Meta Styles */
.article-meta {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-bottom: 0.7rem;
}

.article-category {
  background: var(--primary-green);
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 999px;
  letter-spacing: 0.03em;
  box-shadow: 0 1px 4px rgba(136, 176, 75, 0.08);
}

.article-date {
  color: #888;
  font-size: 0.95rem;
  font-weight: 500;
  padding-left: 0.5rem;
  border-left: 1.5px solid #e0e0e0;
}

@media screen and (max-width: 768px) {
  .about-title {
    font-size: 1.7rem;
  }
  .about-content {
    text-align: center;
  }
}