/* =====================================================
   ProDentim Blog — Shared Design System
   Mirrors neruxa.com identity
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@300;400;500;600;700&display=swap');

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

:root {
  --green-dark:   #007953;
  --green-mid:    #76a686;
  --green-light:  #d0e1d6;
  --green-bg:     #e6f1e2;
  --accent-red:   #d54545;
  --accent-yellow:#eefe3c;
  --text-dark:    #272727;
  --text-white:   #ffffff;
  --font-main:    'Quicksand', sans-serif;
  --radius:       10px;
  --max-width:    860px;
}

body {
  font-family: var(--font-main);
  color: var(--text-dark);
  background: #fff;
  font-size: 1.05rem;
  line-height: 1.75;
}

/* ── HEADER ─────────────────────────────────────── */
.site-header {
  background-color: var(--green-dark);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .logo {
  color: #fff;
  font-size: 1.4rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 1px;
}
.site-header nav a {
  color: #fff;
  text-decoration: none;
  margin-left: 20px;
  font-size: 0.95rem;
  font-weight: 600;
  opacity: 0.9;
  transition: opacity .2s;
}
.site-header nav a:hover { opacity: 1; }
.btn-order {
  background: var(--accent-yellow);
  color: var(--green-dark) !important;
  padding: 8px 20px;
  border-radius: 30px;
  font-weight: 700 !important;
  opacity: 1 !important;
}

/* ── HERO BANNER ────────────────────────────────── */
.article-hero {
  background: radial-gradient(circle at 50% 30%, #d0e1d6, #90af9b 25%, #76a686 56%);
  padding: 60px 24px 50px;
  text-align: center;
  color: #fff;
}
.article-hero .category-tag {
  display: inline-block;
  background: var(--accent-yellow);
  color: var(--green-dark);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.article-hero h1 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  max-width: 760px;
  margin: 0 auto 16px;
  line-height: 1.3;
}
.article-hero .meta {
  font-size: 0.9rem;
  opacity: 0.85;
}

/* ── ARTICLE BODY ───────────────────────────────── */
.article-wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px 80px;
}
.article-wrap h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--green-dark);
  margin: 40px 0 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--green-light);
}
.article-wrap h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin: 28px 0 10px;
}
.article-wrap p { margin-bottom: 18px; }
.article-wrap ul, .article-wrap ol {
  padding-left: 22px;
  margin-bottom: 18px;
}
.article-wrap li { margin-bottom: 8px; }
.article-wrap a {
  color: var(--green-dark);
  font-weight: 600;
  text-decoration: underline;
}
.article-wrap a:hover { opacity: .8; }

/* ── HIGHLIGHT BOX ──────────────────────────────── */
.highlight-box {
  background: var(--green-bg);
  border-left: 4px solid var(--green-dark);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 20px 24px;
  margin: 28px 0;
}
.highlight-box p { margin: 0; font-weight: 500; }

/* ── CALLOUT / CTA INLINE ───────────────────────── */
.cta-inline {
  background: var(--green-dark);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
  margin: 40px 0;
  color: #fff;
}
.cta-inline h3 {
  color: #fff;
  font-size: 1.3rem;
  margin-bottom: 10px;
}
.cta-inline p {
  font-size: 0.95rem;
  opacity: .9;
  margin-bottom: 20px;
}
.btn-cta {
  display: inline-block;
  background: var(--accent-yellow);
  color: var(--green-dark);
  font-weight: 700;
  font-size: 1.05rem;
  padding: 14px 36px;
  border-radius: 30px;
  text-decoration: none !important;
  transition: transform .2s, box-shadow .2s;
  box-shadow: 0 4px 14px rgba(0,0,0,.2);
}
.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0,0,0,.25);
}

/* ── COMPARISON TABLE ───────────────────────────── */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.95rem;
}
.comparison-table th {
  background: var(--green-dark);
  color: #fff;
  padding: 12px 16px;
  text-align: left;
  font-weight: 700;
}
.comparison-table td {
  padding: 12px 16px;
  border-bottom: 1px solid #e0e0e0;
}
.comparison-table tr:nth-child(even) td { background: #f9f9f9; }
.comparison-table tr:hover td { background: var(--green-bg); }

/* ── FAQ SECTION ────────────────────────────────── */
.faq-section { margin: 48px 0; }
.faq-section h2 {
  border-bottom: 2px solid var(--green-light);
  padding-bottom: 8px;
  margin-bottom: 24px;
}
.faq-item {
  border-radius: var(--radius);
  background: #f5f5f5;
  margin-bottom: 14px;
  overflow: hidden;
}
.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 18px 20px;
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font-main);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-dark);
  transition: background .2s;
}
.faq-question:hover { background: #ebebeb; }
.faq-question .arrow { transition: transform .3s; font-size: 1.2rem; }
.faq-question.open .arrow { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease-out;
  padding: 0 20px;
  font-size: 0.98rem;
}
.faq-answer.open {
  max-height: 600px;
  padding: 0 20px 18px;
}

/* ── INTERNAL LINKS SECTION ─────────────────────── */
.related-articles {
  background: var(--green-bg);
  border-radius: var(--radius);
  padding: 28px 28px 20px;
  margin-top: 56px;
}
.related-articles h3 {
  color: var(--green-dark);
  margin-bottom: 14px;
}
.related-articles ul { list-style: none; padding: 0; }
.related-articles li { margin-bottom: 10px; padding-left: 0; }
.related-articles a {
  color: var(--green-dark);
  font-weight: 600;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.related-articles a::before {
  content: "→";
  color: var(--accent-red);
  font-weight: 700;
}
.related-articles a:hover { text-decoration: underline; }

/* ── FOOTER ─────────────────────────────────────── */
.site-footer {
  background: #111;
  color: #ccc;
  text-align: center;
  padding: 36px 24px;
  font-size: 0.85rem;
}
.site-footer a { color: #aaa; text-decoration: underline; margin: 0 8px; }
.site-footer a:hover { color: #fff; }
.site-footer .disclaimer {
  margin-top: 16px;
  font-size: 0.78rem;
  opacity: .7;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* ── RESPONSIVE ─────────────────────────────────── */
@media (max-width: 600px) {
  .site-header nav { display: none; }
  .article-hero { padding: 40px 16px 36px; }
  .article-wrap { padding: 32px 16px 60px; }
}