/* =========================================
   Siding Near Chicagoland IL — Main Styles
   ========================================= */

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

:root {
  --navy:        #1a2744;
  --navy-dark:   #111c33;
  --navy-mid:    #24395c;
  --blue:        #2c5282;
  --blue-light:  #3182ce;
  --accent:      #d69e2e;
  --accent-hover:#b7861c;
  --bg:          #f7f8fa;
  --white:       #ffffff;
  --text:        #2d3748;
  --text-light:  #5a6577;
  --border:      #dfe3ea;
  --radius:      6px;
  --shadow:      0 2px 8px rgba(26,39,68,.07);
  --shadow-lg:   0 4px 20px rgba(26,39,68,.10);
  --max-w:       1140px;
  --transition:  .2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: "Source Sans 3", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 17px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a   { color: var(--blue-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }

h1, h2, h3, h4 {
  font-family: "Merriweather", Georgia, serif;
  color: var(--navy);
  line-height: 1.3;
}

.wrap { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* --- Skip Link --- */
.skip-link {
  position: absolute; left: -9999px; top: auto;
  background: var(--accent); color: var(--navy-dark);
  padding: 8px 16px; font-weight: 600; z-index: 1000;
}
.skip-link:focus { left: 16px; top: 16px; }

/* --- Header --- */
.site-header {
  background: var(--navy-dark);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,.15);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
}
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo svg { width: 38px; height: 38px; flex-shrink: 0; }
.logo-text { font-family: "Merriweather", Georgia, serif; font-size: 15px; font-weight: 700; color: #fff; letter-spacing: .3px; line-height: 1.2; }
.logo-text span { color: var(--accent); }

/* Desktop nav */
.main-nav ul { display: flex; gap: 6px; list-style: none; }
.main-nav a {
  display: block; padding: 8px 16px; color: #c9d1dc;
  font-size: 15px; font-weight: 600; border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
}
.main-nav a:hover, .main-nav a[aria-current="page"] {
  background: rgba(255,255,255,.08); color: #fff;
}

/* Mobile hamburger */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: #fff; margin: 5px 0; border-radius: 2px; transition: var(--transition); }

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .main-nav {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    background: var(--navy-dark); border-top: 1px solid rgba(255,255,255,.08);
    padding: 12px 24px 20px; box-shadow: var(--shadow-lg);
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 2px; }
  .main-nav a { padding: 12px 16px; font-size: 16px; }
}

/* --- Hero (Homepage) --- */
.hero {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-mid) 100%);
  padding: 72px 24px 80px;
  text-align: center;
  color: #fff;
}
.hero h1 { font-size: clamp(1.7rem, 4vw, 2.6rem); margin-bottom: 18px; color: #fff; }
.hero p  { font-size: 1.1rem; color: #b0bdd0; max-width: 640px; margin: 0 auto 30px; }
.hero .btn { font-size: 1rem; }

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 12px 28px;
  background: var(--accent);
  color: var(--navy-dark);
  font-weight: 700;
  font-size: .95rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.btn:hover { background: var(--accent-hover); color: var(--navy-dark); transform: translateY(-1px); }
.btn-outline {
  background: transparent; border: 2px solid var(--accent); color: var(--accent);
}
.btn-outline:hover { background: var(--accent); color: var(--navy-dark); }

/* --- Breadcrumbs --- */
.breadcrumbs {
  padding: 16px 0 0;
  font-size: .85rem;
  color: var(--text-light);
}
.breadcrumbs a { color: var(--blue-light); }
.breadcrumbs span { margin: 0 6px; }

/* --- Article Cards Grid --- */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
  padding: 40px 0 60px;
}
.card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.card-body { padding: 24px; }
.card-body h2 { font-size: 1.15rem; margin-bottom: 10px; }
.card-body h2 a { color: var(--navy); }
.card-body h2 a:hover { color: var(--blue-light); }
.card-meta { font-size: .82rem; color: var(--text-light); margin-bottom: 10px; }
.card-excerpt { font-size: .93rem; color: var(--text-light); margin-bottom: 16px; }
.read-more { font-weight: 600; font-size: .9rem; color: var(--blue-light); }
.read-more:hover { color: var(--accent); }

@media (max-width: 480px) {
  .articles-grid { grid-template-columns: 1fr; gap: 20px; }
}

/* --- Single Article --- */
.article-header {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-mid) 100%);
  padding: 48px 24px 52px;
  text-align: center;
  color: #fff;
}
.article-header h1 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); max-width: 780px; margin: 0 auto 14px; color: #fff; }
.article-header .meta { font-size: .9rem; color: #99a8be; }

.article-body {
  max-width: 780px;
  margin: -30px auto 60px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 40px 44px 48px;
  position: relative;
  z-index: 1;
}
.article-body .featured-img {
  width: calc(100% + 88px);
  margin: -40px -44px 32px;
  border-radius: var(--radius) var(--radius) 0 0;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.article-body h2 { font-size: 1.45rem; margin: 32px 0 14px; }
.article-body h3 { font-size: 1.15rem; margin: 24px 0 10px; }
.article-body p  { margin-bottom: 18px; }
.article-body ul, .article-body ol { margin: 0 0 18px 24px; }
.article-body li { margin-bottom: 6px; }
.article-body blockquote {
  border-left: 4px solid var(--accent);
  padding: 16px 20px;
  margin: 24px 0;
  background: #faf8f2;
  font-style: italic;
  color: var(--text-light);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.article-body a { color: var(--blue-light); font-weight: 500; }
.article-body a:hover { color: var(--accent); text-decoration: underline; }

@media (max-width: 640px) {
  .article-body { padding: 24px 20px 32px; margin-top: -20px; }
  .article-body .featured-img { width: calc(100% + 40px); margin: -24px -20px 24px; }
}

/* --- Sidebar CTA (within articles) --- */
.sidebar-cta {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  color: #fff;
  padding: 28px 24px;
  border-radius: var(--radius);
  margin: 32px 0;
  text-align: center;
}
.sidebar-cta h3 { color: #fff; font-size: 1.1rem; margin-bottom: 10px; }
.sidebar-cta p  { color: #b0bdd0; font-size: .92rem; margin-bottom: 16px; }

/* --- Page Sections --- */
.page-section {
  padding: 56px 0;
}
.page-section h2 { font-size: 1.6rem; margin-bottom: 18px; }
.page-section.alt { background: var(--white); }

.section-intro {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 36px;
}
.section-intro h2 { margin-bottom: 10px; }
.section-intro p  { color: var(--text-light); }

/* --- About & Contact Pages --- */
.page-hero {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-mid) 100%);
  padding: 48px 24px;
  text-align: center;
  color: #fff;
}
.page-hero h1 { color: #fff; font-size: clamp(1.5rem, 3.5vw, 2.1rem); margin-bottom: 10px; }
.page-hero p  { color: #99a8be; font-size: 1.05rem; }

.page-content {
  max-width: 780px;
  margin: 40px auto 60px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 44px;
  box-shadow: var(--shadow);
}
.page-content h2 { margin: 28px 0 12px; }
.page-content p  { margin-bottom: 16px; }

@media (max-width: 640px) {
  .page-content { padding: 24px 20px; margin: 24px 16px 40px; }
}

/* --- Contact Form --- */
.contact-form { max-width: 560px; margin: 0 auto; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: .93rem; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 1rem; font-family: inherit;
  transition: border-color var(--transition);
}
.form-group input:focus, .form-group textarea:focus {
  outline: none; border-color: var(--blue-light); box-shadow: 0 0 0 3px rgba(49,130,206,.12);
}
.form-group textarea { resize: vertical; min-height: 120px; }

/* --- Footer --- */
.site-footer {
  background: var(--navy-dark);
  color: #8892a4;
  padding: 40px 24px 24px;
  font-size: .88rem;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}
.footer-col h4 { color: #fff; font-size: .95rem; margin-bottom: 14px; font-family: "Source Sans 3", sans-serif; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: #8892a4; }
.footer-col a:hover { color: var(--accent); }
.footer-about p { margin-bottom: 12px; line-height: 1.6; }
.footer-bottom {
  max-width: var(--max-w);
  margin: 28px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.08);
  text-align: center;
  font-size: .82rem;
}

@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
}

/* --- Utility --- */
.text-center { text-align: center; }
.mt-2 { margin-top: 16px; }
.mb-4 { margin-bottom: 32px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* --- Related Articles --- */
.related-articles { padding: 48px 0 60px; }
.related-articles h2 { text-align: center; margin-bottom: 28px; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Print Styles --- */
@media print {
  .site-header, .site-footer, .nav-toggle, .sidebar-cta { display: none; }
  .article-body { box-shadow: none; padding: 0; }
  body { font-size: 12pt; }
}

/* --- Cards without images --- */
.card-body { border-top: 3px solid var(--accent); }
.article-body .featured-img { display: none; }