/* ============================================
   ROOT CANAL PAGE — rc- namespace
   HCMC Dental · hcmcdental.com
   ============================================ */

/* === CSS VARIABLES === */
:root {
  --rc-blue:    #2563eb;
  --rc-green:   #059669;
  --rc-navy:    #1e3a5f;
  --rc-amber:   #d97706;
  --rc-red:     #dc2626;
  --rc-wa:      #22c55e;
  --rc-bg:      #f0f9ff;
  --rc-bg-alt:  #ecfdf5;
  --rc-dark:    #0f172a;
  --rc-text:    #334155;
  --rc-muted:   #64748b;
  --rc-border:  #e2e8f0;
  --rc-radius:  16px;
  --rc-shadow:  0 4px 24px rgba(0,0,0,.06);
  --rc-shadow-h:0 8px 32px rgba(0,0,0,.12);
  --rc-max:     1200px;
  --rc-trans:   .3s ease;
}

/* === BASE === */
body.rc-page { overflow-x: clip; }
.rc-wrapper { width: 100%; }
.rc-container { max-width: var(--rc-max); margin: 0 auto; padding: 0 24px; }

/* === BREADCRUMB === */
.rc-breadcrumb { background: #fff; border-bottom: 1px solid var(--rc-border); padding: 12px 0; font-size: .85rem; color: var(--rc-muted); }
.rc-breadcrumb a { color: var(--rc-blue); text-decoration: none; }
.rc-breadcrumb span { margin: 0 6px; }

/* === HERO === */
.rc-hero { background: linear-gradient(135deg,var(--rc-navy) 0%,#2d4f7f 60%,#1a5276 100%); color: #fff; padding: 64px 0 48px; }
.rc-hero__grid { display: grid; grid-template-columns: 1fr 480px; gap: 48px; align-items: center; }
.rc-hero__eyebrow { font-size: .85rem; text-transform: uppercase; letter-spacing: .12em; color: #93c5fd; font-weight: 600; margin-bottom: 12px; }
.rc-hero h1 { font-size: clamp(1.6rem,3vw,2.4rem); font-weight: 800; line-height: 1.25; margin: 0 0 16px; color: #fff; }
.rc-hero__kicker { font-size: .9rem; color: #bfdbfe; margin-bottom: 16px; }
.rc-hero__lead { font-size: 1.05rem; line-height: 1.7; color: #e0f2fe; margin-bottom: 24px; }
.rc-hero__trust { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.rc-hero__trust span { background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2); border-radius: 20px; padding: 4px 12px; font-size: .8rem; color: #e0f2fe; }
.rc-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.rc-hero__img { border-radius: 16px; overflow: hidden; box-shadow: 0 16px 48px rgba(0,0,0,.3); }
.rc-hero__img img { width: 100%; height: auto; display: block; }

/* === STATS BAR === */
.rc-stats { background: var(--rc-blue); padding: 20px 0; }
.rc-stats__grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 8px; text-align: center; }
.rc-stats__item strong { display: block; font-size: 1.5rem; font-weight: 800; color: #fff; }
.rc-stats__item span { font-size: .78rem; color: #bfdbfe; }

/* === BUTTONS === */
.rc-btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 24px; border-radius: 12px; font-weight: 700; font-size: .95rem; text-decoration: none; transition: var(--rc-trans); cursor: pointer; border: none; }
.rc-btn--wa { background: var(--rc-wa); color: #fff; }
.rc-btn--wa:hover { background: #16a34a; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(34,197,94,.4); }
.rc-btn--primary { background: var(--rc-blue); color: #fff; }
.rc-btn--primary:hover { background: #1d4ed8; transform: translateY(-2px); }
.rc-btn--outline { background: transparent; border: 2px solid var(--rc-blue); color: var(--rc-blue); }
.rc-btn--outline:hover { background: var(--rc-blue); color: #fff; }
.rc-btn--emergency { background: var(--rc-red); color: #fff; animation: rc-pulse 2s infinite; }
.rc-btn--emergency:hover { background: #b91c1c; }
@keyframes rc-pulse { 0%,100%{box-shadow:0 0 0 0 rgba(220,38,38,.4)} 50%{box-shadow:0 0 0 10px rgba(220,38,38,0)} }

/* === LAYOUT (main + sidebar) === */
.rc-layout { display: grid; grid-template-columns: 1fr 340px; gap: 32px; max-width: var(--rc-max); margin: 0 auto; padding: 40px 24px; align-items: start; }
.rc-main { min-width: 0; }

/* === SECTION BASE === */
.rc-section { margin-bottom: 56px; scroll-margin-top: 80px; }
.rc-section-title { font-size: 1.6rem; font-weight: 700; color: var(--rc-navy); margin: 0 0 8px; }
.rc-section-sub { font-size: 1rem; color: var(--rc-muted); margin: 0 0 28px; }

/* === AIO BOX === */
.rc-aio-box { background: linear-gradient(135deg,var(--rc-bg-alt),var(--rc-bg)); border-left: 4px solid var(--rc-green); border-radius: 12px; padding: 20px 24px; margin: 24px 0; }
.rc-aio-box p { margin: 0; font-size: .95rem; line-height: 1.65; color: var(--rc-text); }
.rc-aio-box strong { color: var(--rc-navy); }

/* === CARDS === */
.rc-card { background: #fff; border-radius: var(--rc-radius); box-shadow: var(--rc-shadow); padding: 24px; transition: var(--rc-trans); }
.rc-card:hover { transform: translateY(-3px); box-shadow: var(--rc-shadow-h); }
.rc-card__icon { font-size: 2rem; margin-bottom: 12px; }
.rc-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--rc-navy); margin: 0 0 8px; }
.rc-card p { font-size: .92rem; color: var(--rc-text); line-height: 1.6; margin: 0; }

/* === GRIDS === */
.rc-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.rc-grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.rc-grid-6 { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }

/* === COMPARISON TABLE === */
.rc-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: 12px; box-shadow: var(--rc-shadow); }
.rc-table { width: 100%; border-collapse: collapse; background: #fff; font-size: .92rem; }
.rc-table th { background: var(--rc-navy); color: #fff; padding: 14px 16px; text-align: left; font-weight: 600; }
.rc-table td { padding: 12px 16px; border-bottom: 1px solid var(--rc-border); color: var(--rc-text); }
.rc-table tr:last-child td { border-bottom: none; }
.rc-table tr:nth-child(even) td { background: var(--rc-bg); }
.rc-table .rc-table__good { color: var(--rc-green); font-weight: 600; }
.rc-table .rc-table__bad  { color: var(--rc-red); }
.rc-table .rc-table__highlight td { background: #f0fdf4; font-weight: 600; }

/* === PRICING === */
.rc-pricing-banner { background: linear-gradient(135deg,var(--rc-navy),var(--rc-blue)); border-radius: var(--rc-radius); padding: 32px; text-align: center; color: #fff; margin-bottom: 24px; }
.rc-pricing-banner h3 { font-size: 1.4rem; margin: 0 0 8px; }
.rc-pricing-banner .rc-price-big { font-size: 2.4rem; font-weight: 800; color: #4ade80; }
.rc-pricing-banner p { color: #bfdbfe; margin: 8px 0 20px; }

/* === PROCESS STEPS === */
.rc-steps { list-style: none; padding: 0; margin: 0; }
.rc-steps li { display: grid; grid-template-columns: 48px 1fr; gap: 16px; align-items: start; padding: 20px 0; border-bottom: 1px solid var(--rc-border); }
.rc-steps li:last-child { border-bottom: none; }
.rc-steps__num { width: 48px; height: 48px; border-radius: 50%; background: var(--rc-blue); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.1rem; flex-shrink: 0; }
.rc-steps__title { font-weight: 700; color: var(--rc-navy); margin: 0 0 4px; font-size: 1rem; }
.rc-steps__text { font-size: .92rem; color: var(--rc-text); line-height: 1.6; margin: 0; }

/* === FAQ === */
.rc-faq__item { border-bottom: 1px solid var(--rc-border); }
.rc-faq__q {
  width: 100% !important;
  background: transparent !important;
  border: none !important;
  padding: 18px 12px !important;
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  cursor: pointer !important;
  font-size: 1rem !important;
  font-weight: 600 !important;
  color: var(--rc-navy) !important;
  text-align: left !important;
  gap: 16px !important;
  transition: var(--rc-trans) !important;
  border-radius: 6px !important;
  box-shadow: none !important;
  text-decoration: none !important;
  outline: none !important;
}
.rc-faq__q:hover,
.rc-faq__q:focus,
.rc-faq__q:active {
  color: var(--rc-blue) !important;
  background: var(--rc-bg) !important;
  text-decoration: none !important;
  box-shadow: none !important;
  outline: none !important;
}
.rc-faq__q[aria-expanded="true"] {
  background: var(--rc-bg) !important;
  color: var(--rc-blue) !important;
}
.rc-faq__icon { font-size: .8rem; color: var(--rc-blue); transition: var(--rc-trans); flex-shrink: 0; }
.rc-faq__q[aria-expanded="true"] .rc-faq__icon { transform: rotate(180deg); }
.rc-faq__a { padding: 12px 12px 18px !important; font-size: .95rem; line-height: 1.7; color: var(--rc-text); display: none; }
.rc-faq__a.is-open { display: block !important; }

/* === DOCTOR CARD === */
.rc-doctor-card { background: var(--rc-bg); border-radius: var(--rc-radius); padding: 28px; display: grid; grid-template-columns: 160px 1fr; gap: 28px; align-items: start; }
.rc-doctor-photo { width: 140px; height: 140px; border-radius: 50%; object-fit: cover; border: 4px solid var(--rc-blue); }
.rc-doctor-info h3 { font-size: 1.3rem; font-weight: 700; color: var(--rc-navy); margin: 0 0 4px; }
.rc-doctor-info p { font-size: .9rem; color: var(--rc-muted); margin: 0 0 12px; }
.rc-doctor-creds { list-style: none; padding: 0; margin: 0 0 16px; }
.rc-doctor-creds li { font-size: .9rem; color: var(--rc-text); padding: 3px 0; }
.rc-doctor-quote { border-left: 3px solid var(--rc-blue); padding-left: 16px; font-style: italic; color: var(--rc-text); font-size: .95rem; line-height: 1.6; margin: 0 0 16px; }
.rc-doctor-links { display: flex; flex-wrap: wrap; gap: 12px; }
.rc-doctor-links a { font-size: .9rem; color: var(--rc-blue); text-decoration: none; font-weight: 600; }
.rc-doctor-links a:hover { text-decoration: underline; }

/* === TESTIMONIALS === */
.rc-testimonials { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; }
.rc-testimonial { background: #fff; border-radius: var(--rc-radius); box-shadow: var(--rc-shadow); padding: 24px; }
.rc-testimonial__stars { color: #f59e0b; font-size: 1rem; margin-bottom: 12px; }
.rc-testimonial__quote { font-size: .92rem; color: var(--rc-text); line-height: 1.65; font-style: italic; margin: 0 0 16px; }
.rc-testimonial__author { display: flex; align-items: center; gap: 10px; }
.rc-testimonial__name { font-weight: 700; font-size: .9rem; color: var(--rc-navy); }
.rc-testimonial__meta { font-size: .8rem; color: var(--rc-muted); }

/* === EMERGENCY SECTION === */
.rc-emergency { background: var(--rc-dark); border-radius: var(--rc-radius); padding: 40px; text-align: center; }
.rc-emergency h3 { font-size: 1.8rem; font-weight: 800; color: #fff; margin: 0 0 12px; }
.rc-emergency p { color: #94a3b8; font-size: 1rem; margin: 0 0 24px; }
.rc-emergency__actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.rc-emergency__steps { text-align: left; background: rgba(255,255,255,.06); border-radius: 12px; padding: 20px 24px; margin: 24px 0; }
.rc-emergency__steps h4 { color: #fff; font-size: 1rem; margin: 0 0 12px; }
.rc-emergency__steps ol { margin: 0; padding-left: 20px; }
.rc-emergency__steps li { color: #cbd5e1; font-size: .92rem; margin-bottom: 6px; line-height: 1.5; }

/* === BOTTOM CTA === */
.rc-bottom-cta { background: linear-gradient(135deg,var(--rc-navy),var(--rc-blue)); border-radius: var(--rc-radius); padding: 48px 32px; text-align: center; }
.rc-bottom-cta h2 { font-size: 1.8rem; font-weight: 800; color: #fff; margin: 0 0 12px; }
.rc-bottom-cta p { color: #bfdbfe; font-size: 1.05rem; margin: 0 0 28px; }
.rc-bottom-cta__actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.rc-bottom-cta__trust { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.rc-bottom-cta__trust span { font-size: .85rem; color: #93c5fd; }

/* === RELATED TREATMENTS === */
.rc-related { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.rc-related-card { background: #fff; border-radius: 12px; padding: 20px; box-shadow: var(--rc-shadow); text-decoration: none; transition: var(--rc-trans); border: 2px solid transparent; }
.rc-related-card:hover { border-color: var(--rc-blue); transform: translateY(-3px); }
.rc-related-card__icon { font-size: 1.6rem; margin-bottom: 8px; }
.rc-related-card h4 { font-size: .95rem; font-weight: 700; color: var(--rc-navy); margin: 0 0 4px; }
.rc-related-card p { font-size: .82rem; color: var(--rc-muted); margin: 0; line-height: 1.4; }

/* === SIDEBAR === */
.rc-sidebar { position: sticky; top: 90px; display: flex; flex-direction: column; gap: 20px; }
.rc-sidebar-card { background: #fff; border-radius: var(--rc-radius); box-shadow: var(--rc-shadow); padding: 20px; }
.rc-sidebar-card h4 { font-size: 1rem; font-weight: 700; color: var(--rc-navy); margin: 0 0 12px; }
.rc-sidebar-card--emergency { background: linear-gradient(135deg,#dc2626,#b91c1c); }
.rc-sidebar-card--emergency h4 { color: #fff; }
.rc-sidebar-card--emergency p { color: #fecaca; font-size: .88rem; margin: 0 0 12px; }
.rc-price-list { list-style: none; padding: 0; margin: 0; }
.rc-price-list li { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--rc-border); font-size: .88rem; }
.rc-price-list li:last-child { border-bottom: none; }
.rc-price-list .rc-price { font-weight: 700; color: var(--rc-green); }
.rc-toc { list-style: none; padding: 0; margin: 0; }
.rc-toc li a { display: block; padding: 6px 0; font-size: .88rem; color: var(--rc-text); text-decoration: none; border-left: 3px solid transparent; padding-left: 10px; transition: var(--rc-trans); }
.rc-toc li a:hover, .rc-toc li a.is-active { color: var(--rc-blue); border-left-color: var(--rc-blue); font-weight: 600; }
.rc-sidebar-links { display: flex; flex-direction: column; gap: 6px; }
.rc-sidebar-links a { font-size: .88rem; color: var(--rc-blue); text-decoration: none; padding: 4px 0; }
.rc-sidebar-links a:hover { text-decoration: underline; }

/* === WARNING / INFO BOXES === */
.rc-warning-box { background: #fffbeb; border: 1px solid #fcd34d; border-radius: 10px; padding: 16px 20px; display: flex; gap: 12px; align-items: flex-start; }
.rc-warning-box__icon { font-size: 1.2rem; flex-shrink: 0; }
.rc-warning-box p { font-size: .92rem; color: #92400e; margin: 0; line-height: 1.55; }
.rc-info-box { background: var(--rc-bg); border: 1px solid #bae6fd; border-radius: 10px; padding: 16px 20px; }
.rc-info-box p { font-size: .92rem; color: var(--rc-text); margin: 0; }

/* === IMAGES === */
.rc-section-img { width: 100%; border-radius: 12px; margin: 24px 0; box-shadow: var(--rc-shadow); }
.rc-img-caption { text-align: center; font-size: .8rem; color: var(--rc-muted); margin-top: -16px; margin-bottom: 24px; }

/* === CHECKLIST === */
.rc-checklist { list-style: none; padding: 0; margin: 0 0 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.rc-checklist li { display: flex; align-items: center; gap: 8px; font-size: .9rem; color: var(--rc-text); }
.rc-checklist li::before { content: '☐'; font-size: 1.1rem; color: var(--rc-blue); flex-shrink: 0; }

/* === SECTION BACKGROUNDS === */
.rc-section--bg { background: var(--rc-bg); border-radius: var(--rc-radius); padding: 32px; margin-bottom: 32px; }
.rc-section--bg-alt { background: var(--rc-bg-alt); border-radius: var(--rc-radius); padding: 32px; margin-bottom: 32px; }

/* === DISCLAIMER === */
.rc-disclaimer { background: #f8fafc; border: 1px solid var(--rc-border); border-radius: 10px; padding: 16px 20px; margin-top: 32px; }
.rc-disclaimer p { font-size: .82rem; color: var(--rc-muted); margin: 0 0 4px; line-height: 1.5; }
.rc-disclaimer p:last-child { margin: 0; }

/* =====================
   RESPONSIVE
   ===================== */
@media (max-width: 1100px) {
  .rc-layout { grid-template-columns: 1fr 300px; }
}
@media (max-width: 992px) {
  .rc-layout { grid-template-columns: 1fr; }
  .rc-sidebar { position: static; }
  .rc-hero__grid { grid-template-columns: 1fr; }
  .rc-hero__img { display: none; }
  .rc-stats__grid { grid-template-columns: repeat(3,1fr); }
  .rc-grid-3 { grid-template-columns: 1fr 1fr; }
  .rc-related { grid-template-columns: 1fr 1fr; }
  .rc-testimonials { grid-template-columns: 1fr; }
  .rc-doctor-card { grid-template-columns: 1fr; }
  .rc-doctor-photo { width: 100px; height: 100px; }
}
@media (max-width: 640px) {
  .rc-hero { padding: 40px 0 32px; }
  .rc-hero h1 { font-size: 1.5rem; }
  .rc-stats__grid { grid-template-columns: repeat(2,1fr); }
  .rc-grid-2, .rc-grid-3, .rc-grid-6, .rc-related { grid-template-columns: 1fr; }
  .rc-checklist { grid-template-columns: 1fr; }
  .rc-bottom-cta { padding: 32px 20px; }
  .rc-emergency { padding: 28px 20px; }
  .rc-container { padding: 0 16px; }
  .rc-layout { padding: 24px 16px; }
  .rc-btn { padding: 13px 20px; font-size: .9rem; }
  .rc-section-title { font-size: 1.35rem; }
  .rc-pricing-banner .rc-price-big { font-size: 2rem; }
}