/* ─── Reset & Base ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
  line-height: 1.7;
  color: #2d3436;
  background: #fafafa;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

a { color: #1a4d3e; text-decoration: none; }
a:hover { color: #e67e22; }

h1, h2, h3, h4 { line-height: 1.3; color: #1a4d3e; }
h1 { font-size: 2.2rem; margin-bottom: 1rem; }
h2 { font-size: 1.6rem; margin: 2rem 0 1rem; }
h3 { font-size: 1.25rem; margin: 1.5rem 0 0.75rem; }

p { margin-bottom: 1rem; }
img { max-width: 100%; height: auto; }

/* ─── Header ──────────────────────────────────────────────── */
.site-header {
  background: #1a4d3e;
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-weight: 700;
  font-size: 1.2rem;
}
.logo:hover { color: #e67e22; }
.main-nav { display: flex; gap: 24px; }
.main-nav a { color: #ddd; font-size: 0.95rem; transition: color 0.2s; }
.main-nav a:hover { color: #e67e22; }
.mobile-nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; }

/* ─── Footer ──────────────────────────────────────────────── */
.site-footer {
  background: #1a4d3e;
  color: #ccc;
  padding: 40px 0 0;
  margin-top: 60px;
}
.footer-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  margin-bottom: 30px;
}
.footer-col { display: flex; flex-direction: column; gap: 8px; }
.footer-col h4 { color: #e67e22; font-size: 1rem; margin-bottom: 8px; }
.footer-col a { color: #bbb; font-size: 0.9rem; }
.footer-col a:hover { color: #e67e22; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
}
.footer-bottom p { margin-bottom: 4px; }
.share-btn {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 4px;
  font-size: 0.85rem;
  background: #4267B2;
  color: #fff;
}
.share-btn:hover { background: #365899; color: #fff; }

/* ─── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 10px 24px;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-primary { background: #1a4d3e; color: #fff; }
.btn-primary:hover { background: #143b2f; }
.btn-secondary { background: #e67e22; color: #fff; }
.btn-secondary:hover { background: #cf6d1a; }
.btn-outline { background: transparent; border: 2px solid #1a4d3e; color: #1a4d3e; }
.btn-outline:hover { background: #1a4d3e; color: #fff; }

/* ─── Hero ────────────────────────────────────────────────── */
.hero {
  text-align: center;
  padding: 80px 20px 50px;
  background: linear-gradient(135deg, #1a4d3e 0%, #2d7d5a 100%);
  color: #fff;
}
.hero h1 { color: #fff; font-size: 2.5rem; }
.hero p { font-size: 1.15rem; max-width: 600px; margin: 0 auto 30px; opacity: 0.9; }
.hero .btn { margin: 0 8px 8px; }

/* ─── Cards Grid ──────────────────────────────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  padding: 50px 0;
}
.card {
  background: #fff;
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  border: 1px solid #eee;
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(0,0,0,0.1); }
.card h3 { margin-bottom: 12px; }
.card p { color: #555; font-size: 0.95rem; }
.card-icon { font-size: 2rem; margin-bottom: 12px; color: #e67e22; }
.card .btn { margin-top: 16px; }

/* ─── Page Content ────────────────────────────────────────── */
.page-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 50px 20px;
}
.page-content ul, .page-content ol { margin: 1rem 0; padding-left: 24px; }
.page-content li { margin-bottom: 0.5rem; }
.page-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; }
.page-content th, .page-content td {
  border: 1px solid #ddd;
  padding: 10px 14px;
  text-align: left;
}
.page-content th { background: #1a4d3e; color: #fff; }
.page-content tr:nth-child(even) { background: #f5f5f5; }

/* ─── Tools ───────────────────────────────────────────────── */
.tool-container {
  max-width: 700px;
  margin: 0 auto;
  padding: 40px 20px;
}
.tool-instructions, .tool-faq {
  background: #fff;
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 24px;
  border: 1px solid #eee;
}
.tool-instructions h3, .tool-faq h3 { margin-top: 0; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; color: #1a4d3e; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 0.95rem;
  font-family: inherit;
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.tool-result {
  background: linear-gradient(135deg, #1a4d3e, #2d7d5a);
  color: #fff;
  border-radius: 10px;
  padding: 24px;
  margin-top: 20px;
  display: none;
}
.tool-result h3 { color: #fff; margin-top: 0; }
.tool-result .btn { margin-top: 12px; }
.result-level { font-size: 1.5rem; font-weight: 700; margin: 12px 0; }

/* Level colors */
.level-green { color: #2ecc71; }
.level-yellow { color: #f1c40f; }
.level-orange { color: #e67e22; }
.level-red { color: #e74c3c; }

.demo-btn { margin-bottom: 16px; font-size: 0.85rem; }

/* ─── Simulation Badge ────────────────────────────────────── */
.sim-badge {
  display: inline-block;
  font-size: 0.75rem;
  background: #e67e22;
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: 6px;
}

/* ─── Blog ────────────────────────────────────────────────── */
.blog-header {
  background: linear-gradient(135deg, #1a4d3e, #2d7d5a);
  color: #fff;
  text-align: center;
  padding: 60px 20px;
}
.blog-header h1 { color: #fff; }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  padding: 40px 0;
}
.blog-card {
  background: #fff;
  border-radius: 10px;
  padding: 24px;
  border: 1px solid #eee;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.blog-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.blog-meta { font-size: 0.85rem; color: #888; margin-bottom: 12px; }
.blog-card p { font-size: 0.9rem; color: #555; }
.read-more { font-weight: 600; font-size: 0.9rem; }

/* ─── FAQ Accordion ─────────────────────────────────── */
.faq-accordion { max-width: 700px; margin: 0 auto; }
.faq-item { border: 1px solid #ddd; border-radius: 8px; margin-bottom: 8px; overflow: hidden; }
.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; padding: 16px 20px;
  background: #f9f9f9; border: none; cursor: pointer;
  font-size: 1rem; font-weight: 600; color: #1a4d3e; text-align: left;
  transition: background 0.2s;
}
.faq-question:hover { background: #f0f7f4; }
.faq-question .faq-icon { font-size: 0.85rem; color: #e67e22; transition: transform 0.3s; flex-shrink: 0; margin-left: 12px; }
.faq-item.active .faq-question .faq-icon { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; padding: 0 20px; }
.faq-item.active .faq-answer { max-height: 500px; padding: 0 20px 16px; }
.faq-answer p { font-size: 0.95rem; color: #555; margin: 0; }
.faq-category { font-size: 1.3rem; margin: 32px 0 16px; padding-bottom: 8px; border-bottom: 2px solid #1a4d3e; }

.pagination { display: flex; justify-content: center; gap: 8px; padding: 30px 0; }
.page-link {
  padding: 8px 14px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 0.9rem;
}
.page-link.active { background: #1a4d3e; color: #fff; border-color: #1a4d3e; }

.blog-post-full {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}
.blog-post-full h1 { font-size: 1.8rem; }
.post-body h2 { font-size: 1.35rem; margin-top: 2rem; }
.post-body h3 { font-size: 1.1rem; }
.post-body ul, .post-body ol { margin: 1rem 0; padding-left: 24px; }
.post-body li { margin-bottom: 0.4rem; }
.post-body table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; }
.post-body th, .post-body td { border: 1px solid #ddd; padding: 8px 12px; text-align: left; }
.post-body th { background: #1a4d3e; color: #fff; }
.post-body tr:nth-child(even) { background: #f5f5f5; }

/* ─── Responsive Tables ──────────────────────────────── */
.post-body table { display: block; width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; white-space: nowrap; }
.post-body table table { all: revert; }

/* ─── Cookie Consent ──────────────────────────────────────── */
.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #1a4d3e;
  color: #fff;
  padding: 16px 20px;
  z-index: 999;
  box-shadow: 0 -4px 12px rgba(0,0,0,0.2);
}
.cookie-content { max-width: 800px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.cookie-content p { margin: 0; font-size: 0.9rem; }
.cookie-buttons { display: flex; gap: 10px; flex-shrink: 0; }
.cookie-buttons .btn { padding: 8px 20px; font-size: 0.85rem; }

/* ─── Mobile Nav Toggle ──────────────────────────────── */
.mobile-nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; z-index: 110; }
.mobile-nav-toggle:focus { outline: 2px solid #e67e22; outline-offset: 2px; }

/* ─── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .main-nav { display: none; }
  .mobile-nav-toggle { display: block; }
  .main-nav.open { display: flex; flex-direction: column; position: absolute; top: 60px; left: 0; right: 0; background: #1a4d3e; padding: 16px; gap: 12px; z-index: 100; }
  .main-nav.open a { display: block; padding: 10px 0; color: #fff; font-size: 1.05rem; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .main-nav.open a:last-child { border-bottom: none; }
  .main-nav.open a:hover { color: #e67e22; }
  .form-row { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.8rem; }
  .cookie-content { flex-direction: column; text-align: center; }
  .cookie-buttons { width: 100%; justify-content: center; }
  .cookie-buttons .btn { flex: 1; max-width: 150px; padding: 12px 20px; }
  .cards-grid { grid-template-columns: 1fr; }
  .page-content table, .page-content th, .page-content td { font-size: 0.85rem; padding: 6px 8px; }
}