/* ===== CoverResource.org Global Styles ===== */

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: #333;
  background: #f9fafb;
  line-height: 1.7;
}

a {
  text-decoration: none;
  color: inherit;
}

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

/* --- Utility --- */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== HEADER & NAV ===== */
.site-header {
  background: linear-gradient(135deg, #2c3e6b 0%, #3b6d8f 100%);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 12px rgba(0,0,0,.12);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  max-width: 1140px;
  margin: 0 auto;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
}

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

.logo-text {
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: .3px;
  color: #fff;
}

.logo-text span {
  color: #7ec8e3;
}

/* Desktop nav */
.main-nav ul {
  list-style: none;
  display: flex;
  gap: 6px;
}

.main-nav a {
  display: block;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: .88rem;
  font-weight: 500;
  color: #d4e6f1;
  transition: background .2s, color .2s;
}

.main-nav a:hover,
.main-nav a.active {
  background: rgba(255,255,255,.14);
  color: #fff;
}

/* Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 3px;
  background: #fff;
  margin: 5px 0;
  border-radius: 2px;
  transition: .3s;
}

/* ===== HERO (Homepage) ===== */
.hero {
  background: linear-gradient(135deg, #34567a 0%, #5a9bb5 100%);
  color: #fff;
  text-align: center;
  padding: 72px 20px 64px;
}

.hero h1 {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 14px;
  line-height: 1.25;
}

.hero p {
  font-size: 1.12rem;
  max-width: 640px;
  margin: 0 auto 28px;
  opacity: .92;
}

.hero .btn-primary {
  background: #fff;
  color: #2c3e6b;
  font-weight: 700;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 13px 32px;
  border-radius: 8px;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform .15s, box-shadow .2s, background .2s;
  border: none;
  text-align: center;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0,0,0,.15);
}

/* ===== ARTICLE CARDS GRID (Homepage) ===== */
.section-heading {
  text-align: center;
  padding: 52px 20px 12px;
}

.section-heading h2 {
  font-size: 1.85rem;
  color: #2c3e6b;
  margin-bottom: 8px;
}

.section-heading p {
  color: #666;
  max-width: 560px;
  margin: 0 auto;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
  padding: 32px 20px 60px;
  max-width: 1140px;
  margin: 0 auto;
}

.card {
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0,0,0,.06);
  transition: transform .2s, box-shadow .2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(0,0,0,.1);
}

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

.card-body {
  padding: 22px 24px 26px;
}

.card-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .6px;
  margin-bottom: 10px;
}

.card-body h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: #222;
}

.card-body p {
  font-size: .9rem;
  color: #666;
  margin-bottom: 16px;
}

.card-link {
  font-size: .88rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: gap .2s;
}

.card-link:hover {
  gap: 9px;
}

/* Card color themes */
.theme-teal     .card-tag { background: #e0f5f0; color: #1a7a6a; }
.theme-teal     .card-link { color: #1a7a6a; }
.theme-blue     .card-tag { background: #ddeaf6; color: #2a5c8f; }
.theme-blue     .card-link { color: #2a5c8f; }
.theme-purple   .card-tag { background: #ede0f5; color: #6a3b8a; }
.theme-purple   .card-link { color: #6a3b8a; }
.theme-coral    .card-tag { background: #fde8e2; color: #b8452a; }
.theme-coral    .card-link { color: #b8452a; }
.theme-green    .card-tag { background: #e2f2dc; color: #3a7a2a; }
.theme-green    .card-link { color: #3a7a2a; }
.theme-amber    .card-tag { background: #fef3d6; color: #8a6a14; }
.theme-amber    .card-link { color: #8a6a14; }
.theme-slate    .card-tag { background: #e2e6ea; color: #3e4f5f; }
.theme-slate    .card-link { color: #3e4f5f; }
.theme-rose     .card-tag { background: #fce4ec; color: #9b2d4a; }
.theme-rose     .card-link { color: #9b2d4a; }
.theme-sky      .card-tag { background: #e0f0fa; color: #1a6a9a; }
.theme-sky      .card-link { color: #1a6a9a; }
.theme-olive    .card-tag { background: #eef2dc; color: #5a6a22; }
.theme-olive    .card-link { color: #5a6a22; }

/* ===== ARTICLE PAGE ===== */
.article-hero {
  padding: 56px 20px 48px;
  text-align: center;
  color: #fff;
}

.article-hero .breadcrumb {
  font-size: .82rem;
  margin-bottom: 14px;
  opacity: .85;
}

.article-hero .breadcrumb a {
  color: #fff;
  text-decoration: underline;
  text-decoration-color: rgba(255,255,255,.4);
}

.article-hero h1 {
  font-size: 2.15rem;
  font-weight: 800;
  max-width: 720px;
  margin: 0 auto 12px;
  line-height: 1.3;
}

.article-hero .subtitle {
  font-size: 1.05rem;
  max-width: 580px;
  margin: 0 auto;
  opacity: .9;
}

/* Hero color variants */
.hero-teal    { background: linear-gradient(135deg, #1a7a6a 0%, #48b0a0 100%); }
.hero-blue    { background: linear-gradient(135deg, #2a5c8f 0%, #5a9cc4 100%); }
.hero-purple  { background: linear-gradient(135deg, #6a3b8a 0%, #9a6aba 100%); }
.hero-coral   { background: linear-gradient(135deg, #b8452a 0%, #e07a5f 100%); }
.hero-green   { background: linear-gradient(135deg, #3a7a2a 0%, #6aaa5a 100%); }
.hero-amber   { background: linear-gradient(135deg, #8a6a14 0%, #c4a43e 100%); }
.hero-slate   { background: linear-gradient(135deg, #3e4f5f 0%, #6a8090 100%); }
.hero-rose    { background: linear-gradient(135deg, #9b2d4a 0%, #d4607a 100%); }
.hero-sky     { background: linear-gradient(135deg, #1a6a9a 0%, #4a9aca 100%); }
.hero-olive   { background: linear-gradient(135deg, #5a6a22 0%, #8a9a52 100%); }

/* Article content */
.article-content {
  max-width: 780px;
  margin: -24px auto 0;
  background: #fff;
  border-radius: 16px;
  padding: 44px 48px 52px;
  box-shadow: 0 2px 24px rgba(0,0,0,.06);
  position: relative;
  z-index: 1;
}

.article-content .featured-img {
  width: 100%;
  border-radius: 12px;
  margin-bottom: 28px;
}

.article-content h2 {
  font-size: 1.45rem;
  margin: 32px 0 12px;
  color: #2c3e6b;
  padding-bottom: 6px;
  border-bottom: 2px solid #eef1f5;
}

.article-content h3 {
  font-size: 1.15rem;
  margin: 24px 0 8px;
  color: #3b5068;
}

.article-content p {
  margin-bottom: 16px;
  color: #444;
  font-size: .96rem;
}

.article-content ul,
.article-content ol {
  margin: 0 0 18px 24px;
  color: #444;
}

.article-content li {
  margin-bottom: 7px;
  font-size: .95rem;
}

.article-content blockquote {
  border-left: 4px solid #7ec8e3;
  padding: 14px 20px;
  margin: 20px 0;
  background: #f4fafd;
  border-radius: 0 8px 8px 0;
  font-style: italic;
  color: #3b5068;
}

/* CTA box inside article */
.cta-box {
  text-align: center;
  padding: 36px 28px;
  border-radius: 14px;
  margin: 36px 0;
}

.cta-box h3 {
  color: #fff;
  font-size: 1.35rem;
  margin-bottom: 10px;
}

.cta-box p {
  color: rgba(255,255,255,.9);
  margin-bottom: 18px;
  font-size: .95rem;
}

.cta-box .btn {
  background: #fff;
  font-weight: 700;
}

/* CTA color variants */
.cta-teal   { background: linear-gradient(135deg, #1a7a6a, #48b0a0); }
.cta-teal .btn   { color: #1a7a6a; }
.cta-blue   { background: linear-gradient(135deg, #2a5c8f, #5a9cc4); }
.cta-blue .btn   { color: #2a5c8f; }
.cta-purple { background: linear-gradient(135deg, #6a3b8a, #9a6aba); }
.cta-purple .btn { color: #6a3b8a; }
.cta-coral  { background: linear-gradient(135deg, #b8452a, #e07a5f); }
.cta-coral .btn  { color: #b8452a; }
.cta-green  { background: linear-gradient(135deg, #3a7a2a, #6aaa5a); }
.cta-green .btn  { color: #3a7a2a; }
.cta-amber  { background: linear-gradient(135deg, #8a6a14, #c4a43e); }
.cta-amber .btn  { color: #8a6a14; }
.cta-slate  { background: linear-gradient(135deg, #3e4f5f, #6a8090); }
.cta-slate .btn  { color: #3e4f5f; }
.cta-rose   { background: linear-gradient(135deg, #9b2d4a, #d4607a); }
.cta-rose .btn   { color: #9b2d4a; }
.cta-sky    { background: linear-gradient(135deg, #1a6a9a, #4a9aca); }
.cta-sky .btn    { color: #1a6a9a; }
.cta-olive  { background: linear-gradient(135deg, #5a6a22, #8a9a52); }
.cta-olive .btn  { color: #5a6a22; }

/* CTA boxes hidden by default; shown only when s1 parameter is present */
.cta-box {
  display: none;
}
body.has-s1 .cta-box {
  display: block;
}

/* Info boxes */
.info-box {
  background: #f0f6fb;
  border: 1px solid #d4e6f1;
  border-radius: 10px;
  padding: 20px 24px;
  margin: 22px 0;
}

.info-box h4 {
  color: #2a5c8f;
  margin-bottom: 8px;
  font-size: 1rem;
}

.info-box ul {
  margin-left: 18px;
}

/* ===== FOOTER ===== */
.site-footer {
  background: #1e2d42;
  color: #c0ccd8;
  padding: 52px 20px 0;
  margin-top: 60px;
}

.footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 40px;
}

.footer-brand .logo img {
  height: 50px;
}

.footer-brand p {
  font-size: .88rem;
  line-height: 1.65;
  margin-top: 10px;
  color: #8ea3b8;
}

.footer-col h4 {
  color: #fff;
  font-size: .92rem;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: .5px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 9px;
}

.footer-col a {
  font-size: .86rem;
  color: #8ea3b8;
  transition: color .2s;
}

.footer-col a:hover {
  color: #7ec8e3;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  text-align: center;
  padding: 20px 0;
  font-size: .8rem;
  color: #5a7085;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 860px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 680px) {
  .nav-toggle {
    display: block;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: #2c3e6b;
    padding: 10px 20px 18px;
    box-shadow: 0 4px 16px rgba(0,0,0,.2);
  }

  .main-nav.open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 2px;
  }

  .main-nav a {
    padding: 10px 14px;
  }

  .hero h1 {
    font-size: 1.65rem;
  }

  .article-content {
    padding: 28px 20px 36px;
    margin: -16px 10px 0;
  }

  .article-hero h1 {
    font-size: 1.55rem;
  }

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

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}