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

:root {
  --primary: #1a365d;
  --primary-light: #2c5282;
  --accent: #38a169;
  --accent-light: #68d391;
  --text: #2d3748;
  --text-light: #718096;
  --bg: #ffffff;
  --bg-alt: #f7fafc;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  color: var(--text);
  line-height: 1.6;
}

/* ── Header ── */
header {
  background: var(--bg);
  padding: 1rem 2rem;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--primary);
}

.logo img {
  height: 50px;
  width: auto;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

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

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

/* ── Page Header (banner) ── */
.page-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: white;
  padding: 8rem 2rem 4rem;
  text-align: center;
}

.page-header h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.page-header p {
  font-size: 1.2rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

/* ── Hero (home page) ── */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: white;
  padding: 10rem 2rem 6rem;
  text-align: center;
}

.hero-content {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 4rem;
  text-align: left;
}

.hero-logo {
  width: 250px;
  height: auto;
  flex-shrink: 0;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.hero-subtitle {
  font-size: 0.85rem;
  opacity: 0.7;
  margin-top: 0.75rem;
  text-align: center;
}

.hero-text h1 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-text p {
  font-size: 1.25rem;
  opacity: 0.9;
  margin-bottom: 2rem;
}

.cta-button {
  display: inline-block;
  background: var(--accent);
  color: white;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: transform 0.3s, box-shadow 0.3s;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(56, 161, 105, 0.4);
}

/* ── Services (home page) ── */
.services {
  padding: 6rem 2rem;
  background: var(--bg-alt);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-light);
  font-size: 1.1rem;
}

.services-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--bg);
  padding: 2.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 40px rgba(0,0,0,0.12);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.service-icon svg {
  width: 30px;
  height: 30px;
  fill: white;
}

.service-card h3 {
  font-size: 1.4rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.service-card p {
  color: var(--text-light);
  line-height: 1.7;
}

.service-card ul {
  margin-top: 1rem;
  padding-left: 1.25rem;
  color: var(--text-light);
}

.service-card li {
  margin-bottom: 0.5rem;
}

/* ── Mission (home page) ── */
.mission {
  padding: 6rem 2rem;
  background: var(--bg);
}

.mission-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.mission h2 {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 2rem;
}

.mission p {
  font-size: 1.2rem;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

/* ── General content (about, contact, promoting-peace, articles) ── */
.content {
  padding: 4rem 2rem;
  background: var(--bg);
}

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

.content h2 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.content h3 {
  font-size: 1.5rem;
  color: var(--primary);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.content p {
  font-size: 1.1rem;
  line-height: 1.9;
  margin-bottom: 1.5rem;
  color: var(--text);
}

.content a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.content a:hover {
  text-decoration: underline;
}

/* ── Blockquote (about page) ── */
blockquote {
  margin-top: 2.5rem;
  padding: 2rem 2.5rem;
  background: var(--bg-alt);
  border-left: 4px solid var(--accent);
  border-radius: 0 12px 12px 0;
}

blockquote p {
  font-size: 1.15rem;
  font-style: italic;
  color: var(--text);
  margin-bottom: 1rem;
}

blockquote cite {
  display: block;
  font-size: 0.95rem;
  color: var(--text-light);
  font-style: normal;
}

/* ── Publish date (article pages) ── */
.publish-date {
  color: var(--text-light);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

/* ── Back link (article pages) ── */
.back-link {
  display: inline-block;
  margin-top: 2rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
}

.back-link:hover {
  text-decoration: underline;
}

/* ── Contact email button ── */
a.contact-email {
  display: inline-block;
  background: var(--accent);
  color: white;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: transform 0.3s, box-shadow 0.3s;
}

a.contact-email:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(56, 161, 105, 0.4);
}

/* ── Blog listing ── */
.blog-listing {
  padding: 4rem 2rem;
  background: var(--bg-alt);
}

.blog-listing-inner {
  max-width: 800px;
  margin: 0 auto;
}

.blog-card {
  background: var(--bg);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  transition: transform 0.3s, box-shadow 0.3s;
}

.blog-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 40px rgba(0,0,0,0.12);
}

.blog-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.blog-icon svg {
  width: 30px;
  height: 30px;
  fill: white;
}

.blog-info {
  flex: 1;
}

.blog-info h3 {
  font-size: 1.2rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.blog-info p {
  color: var(--text-light);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.read-btn {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 0.6rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: background 0.3s;
}

.read-btn:hover {
  background: var(--primary-light);
}

/* ── Resources ── */
.resources {
  padding: 4rem 2rem;
  background: var(--bg-alt);
}

.resources-inner {
  max-width: 800px;
  margin: 0 auto;
}

.resource-card {
  background: var(--bg);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  transition: transform 0.3s, box-shadow 0.3s;
}

.resource-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 40px rgba(0,0,0,0.12);
}

.resource-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.resource-icon svg {
  width: 30px;
  height: 30px;
  fill: white;
}

.resource-info {
  flex: 1;
}

.resource-info h3 {
  font-size: 1.2rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.resource-info p {
  color: var(--text-light);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.download-btn {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 0.6rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: background 0.3s;
}

.download-btn:hover {
  background: var(--primary-light);
}

/* ── Footer ── */
footer {
  background: #0d1b2a;
  color: white;
  padding: 2rem;
  text-align: center;
}

footer p {
  opacity: 0.7;
  font-size: 0.9rem;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-links {
    gap: 1rem;
  }

  .nav-links a {
    font-size: 0.9rem;
  }

  .hero {
    padding: 8rem 1.5rem 4rem;
  }

  .hero-content {
    flex-direction: column;
    text-align: center;
    gap: 2rem;
  }

  .hero-logo {
    width: 150px;
  }

  .hero-text h1 {
    font-size: 2rem;
  }

  .hero-text p {
    font-size: 1rem;
  }

  .page-header {
    padding: 7rem 1.5rem 3rem;
  }

  .page-header h1 {
    font-size: 2rem;
  }

  .section-header h2,
  .mission h2 {
    font-size: 1.8rem;
  }

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

  .service-card {
    padding: 2rem;
  }

  .content h2 {
    font-size: 1.6rem;
  }

  .blog-card {
    flex-direction: column;
    text-align: center;
  }

  .resource-card {
    flex-direction: column;
    text-align: center;
  }
}