/* ==========================================================================
   StemCellMD — main stylesheet
   Ported from the approved mockup (Mockup 7 — Combined 4 + 5) and extended
   with styles for inner pages, blog, 404, forms, and responsive breakpoints.
   ========================================================================== */

:root{
  --navy:#0F2A4A;
  --blue:#3373C4;
  --blue-deep:#143F80;
  --sky:#EEF4FA;
  --gold:#D9A441;
  --ink:#16213A;
  --gray:#5C6B85;
  --line:#E2E8F0;
  --red:#D9534F;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'Plus Jakarta Sans',sans-serif;color:var(--ink);background:#fff;line-height:1.6;overflow-x:hidden;}
h1,h2,h3{font-weight:700;letter-spacing:-0.01em;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px;}
section{padding:90px 0;}

/* ---------- Top bar ---------- */
.topbar{background:var(--navy);color:#cfe0f7;font-size:13px;padding:8px 0;}
.topbar .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:4px;}

/* ---------- Nav (overlay on homepage hero) ---------- */
nav{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:0 32px;z-index:10;height:88px;max-width:1180px;margin:0 auto;}
.logo{font-size:20px;font-weight:800;text-decoration:none;max-width:220px;line-height:1;}
nav .logo{color:#fff;display:flex;align-items:center;height:100%;flex-shrink:0;}
nav .logo .custom-logo-link{display:flex;align-items:center;height:100%;}
nav .logo img,nav .logo img.custom-logo{max-height:40px !important;width:auto !important;height:auto;display:block;margin:auto 0;}
nav .nav-links{flex:1;justify-content:center;height:100%;}
nav .btn{flex-shrink:0;align-self:center;}
.nav-links{display:flex;align-items:center;gap:32px;font-size:14px;font-weight:500;color:#fff;list-style:none;line-height:1;}
.nav-links ul{display:flex;align-items:center;gap:32px;list-style:none;margin:0;padding:0;height:100%;}
.nav-links li{list-style:none;margin:0;padding:0;display:flex;align-items:center;height:100%;}
.nav-links a{color:#fff;text-decoration:none;white-space:nowrap;display:flex;align-items:center;}
.menu-toggle{display:none;background:none;border:none;font-size:24px;color:inherit;cursor:pointer;}

.btn{display:inline-flex;align-items:center;padding:13px 28px;border-radius:30px;font-size:14px;font-weight:700;text-decoration:none;border:none;cursor:pointer;line-height:1;}
.btn-small{padding:10px 22px;font-size:13px;}
.btn-primary{background:var(--gold);color:var(--navy);}
.btn-outline-w{border:1.5px solid #fff;color:#fff;}

/* ---------- Solid nav for inner pages (no hero photo behind it) ---------- */
.site-header-solid{background:var(--navy);padding:18px 0;}
.site-header-solid nav{position:static;max-width:1180px;}
.site-header-solid .nav-links a{color:#fff;}
.site-header-solid .btn-primary{color:var(--navy);}

/* ---------- Photo-led hero (homepage) ---------- */
.hero{position:relative;height:660px;}
.hero > img{width:100%;height:100%;object-fit:cover;filter:brightness(.5) saturate(1.1);}
.hero::after{content:'';position:absolute;inset:0;background:linear-gradient(100deg,rgba(15,42,74,.78),rgba(15,42,74,.25));z-index:1;}
.hero-overlay{position:absolute;inset:0;display:flex;align-items:center;z-index:5;}
.hero-content{color:#fff;max-width:580px;}
.badge-pill{display:inline-block;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.4);padding:6px 16px;border-radius:30px;font-size:12.5px;letter-spacing:.05em;text-transform:uppercase;margin-bottom:20px;}
.hero h1{font-size:48px;line-height:1.12;margin-bottom:20px;color:#fff;}
.hero p{font-size:16.5px;opacity:.92;max-width:480px;margin-bottom:30px;}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;}
.badge-card{position:absolute;bottom:-50px;right:60px;background:#fff;border-radius:14px;padding:22px 28px;box-shadow:0 25px 50px -15px rgba(15,42,74,.35);display:flex;gap:16px;align-items:center;z-index:6;}
.badge-card .num{font-size:30px;font-weight:800;color:var(--blue);}
.badge-card .label{font-size:12px;color:var(--gray);max-width:120px;}

/* ---------- Small page hero (inner pages) ---------- */
.page-hero{background:var(--navy);padding:70px 0;color:#fff;}
.page-hero h1{color:#fff;font-size:38px;}

/* ---------- 4-step strip ---------- */
.steps-strip{background:var(--sky);padding:50px 0 60px;margin-top:50px;}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step{text-align:center;}
.step .num{width:44px;height:44px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;margin:0 auto 14px;}
.step p{font-size:13.5px;color:var(--gray);font-weight:500;}

.section-head{text-align:center;max-width:620px;margin:0 auto 50px;}
.section-head .eyebrow{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);font-weight:700;margin-bottom:14px;}
.section-head h2{font-size:34px;}

/* ---------- Comparison table ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:18px;overflow:hidden;border:1px solid var(--line);}
.compare-col{padding:36px 32px;}
.compare-col.bad{background:#FBF4F2;}
.compare-col.good{background:var(--navy);color:#fff;}
.compare-col h3{font-size:19px;margin-bottom:20px;}
.compare-col.good h3{color:#fff;}
.compare-col li{list-style:none;font-size:14px;margin-bottom:14px;padding-left:26px;position:relative;}
.compare-col.bad li{color:#6B5650;}
.compare-col.bad li::before{content:'✕';position:absolute;left:0;color:var(--red);font-weight:700;}
.compare-col.good li::before{content:'✓';position:absolute;left:0;color:var(--gold);font-weight:700;}

/* ---------- Photo cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{display:block;border-radius:16px;overflow:hidden;position:relative;height:300px;text-decoration:none;}
.card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .3s;}
.card:hover img{transform:scale(1.05);}
.card-overlay{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(to top,rgba(15,42,74,.92),transparent);padding:24px;color:#fff;}
.card-overlay h3{font-size:17px;margin-bottom:4px;color:#fff;}
.card-overlay p{font-size:13px;opacity:.85;font-weight:400;}
.alt-bg{background:var(--sky);}

/* ---------- Testimonials + FAQ ---------- */
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.testimonial{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;}
.stars{color:var(--gold);font-size:14px;margin-bottom:14px;}
.testimonial p{font-size:14px;color:var(--gray);font-weight:400;margin-bottom:16px;}
.testimonial .who{font-size:13px;font-weight:700;}

.faq{max-width:760px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);padding:20px 0;cursor:pointer;}
.faq-item h4{font-size:16px;font-weight:600;margin-bottom:0;position:relative;padding-right:28px;}
.faq-item h4::after{content:'+';position:absolute;right:0;top:0;font-size:20px;color:var(--blue);transition:transform .2s;}
.faq-item.open h4::after{transform:rotate(45deg);}
.faq-answer{font-size:14px;color:var(--gray);font-weight:400;max-height:0;overflow:hidden;transition:max-height .25s ease, margin-top .25s ease;margin-top:0;}
.faq-item.open .faq-answer{margin-top:10px;}

/* ---------- CTA banner ---------- */
.cta-banner{background:var(--navy);border-radius:20px;padding:70px 50px;text-align:center;color:#fff;}
.cta-banner h2{color:#fff;font-size:34px;margin-bottom:16px;}
.cta-banner p{color:#B8C8DD;margin-bottom:30px;font-weight:400;}

/* ---------- Footer ---------- */
footer{padding:56px 0 36px;border-top:1px solid var(--line);font-size:13.5px;color:var(--gray);font-weight:400;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:36px;}
footer h4{font-size:12.5px;color:var(--ink);margin-bottom:14px;text-transform:uppercase;letter-spacing:.05em;font-weight:700;}
footer a{display:block;color:var(--gray);text-decoration:none;margin-bottom:8px;}

/* ---------- Inner page content ---------- */
.content-narrow{max-width:760px;margin:0 auto;padding:90px 32px;}
.content-narrow h2{margin:32px 0 14px;font-size:26px;}
.content-narrow p{margin-bottom:16px;color:var(--gray);}
.content-narrow ul,.content-narrow ol{margin:0 0 16px 22px;color:var(--gray);}
.post-thumb{border-radius:16px;overflow:hidden;margin-bottom:32px;}
.pagination{display:flex;gap:10px;justify-content:center;margin-top:40px;}
.pagination a,.pagination span{padding:8px 14px;border:1px solid var(--line);border-radius:8px;text-decoration:none;font-size:14px;}
.pagination .current{background:var(--blue);color:#fff;border-color:var(--blue);}

/* ---------- Inner-page content system (scmd-*) ---------- */
/* Powers About, Research & Evidence, Treatments, and Contact — full-width
   alternating sections with a centered .container inside each. */
.page-content{overflow:hidden;}
.page-content .section{padding:90px 0;}
.page-content .section--white{background:#fff;}
.page-content .section--ivory,
.page-content .section--bone{background:var(--sky);}
.page-content .section--dark{background:var(--navy);color:#fff;}
.page-content .section--dark h2,
.page-content .section--dark h3,
.page-content .section--dark h4,
.page-content .section--dark strong{color:#fff;}
.page-content .section--dark p{color:#B8C8DD;}
.page-content .section--dark .scmd-label{color:var(--gold);}

.page-content .container{max-width:1180px;margin:0 auto;padding:0 32px;}
.page-content .container > p{color:var(--gray);max-width:640px;margin-bottom:16px;font-size:15.5px;}

.page-content .scmd-section-label-wrap{margin-bottom:14px;}
.page-content .scmd-label{display:inline-block;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);font-weight:700;}
.page-content .scmd-label--gold{color:var(--gold);}

.page-content h2{font-size:34px;margin-bottom:18px;max-width:680px;line-height:1.2;}
.page-content h2 em{font-style:italic;color:var(--blue);}
.page-content .section--dark h2 em{color:var(--gold);}
.page-content h3{font-size:19px;margin-bottom:10px;}

/* Two-column layout: e.g. mission text + core-values list, or study cards */
.page-content .scmd-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start;margin-top:28px;}
.page-content .scmd-grid-2 > div > p{color:var(--gray);font-size:15px;margin-bottom:14px;}
.page-content .scmd-grid-2 > div > h3{margin-top:4px;}

/* Icon + title + description rows (e.g. "Our Core Values") — any row whose
   first child is the emoji icon */
.page-content .scmd-grid-2 div:has(> img.emoji){display:flex;gap:16px;align-items:flex-start;margin-bottom:22px;}
.page-content .scmd-grid-2 img.emoji{width:38px;height:38px;flex-shrink:0;margin-top:2px;}
.page-content .scmd-grid-2 div:has(> img.emoji) strong{display:block;font-size:15.5px;margin-bottom:4px;color:var(--ink);}
.page-content .scmd-grid-2 div:has(> img.emoji) p{font-size:13.5px;color:var(--gray);margin:0;}

/* Three-column icon cards (Treatments) */
.page-content .scmd-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:30px;}
.page-content .scmd-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;}
.page-content .scmd-card__icon{margin-bottom:16px;}
.page-content .scmd-card__icon img.emoji{width:36px;height:36px;}
.page-content .scmd-card h3{font-size:17px;margin-bottom:8px;}
.page-content .scmd-card p{font-size:13.5px;color:var(--gray);margin:0;}

/* Research study citation cards */
.page-content .scmd-study{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;}
.page-content .scmd-study__source{font-size:12px;color:var(--blue);font-weight:700;text-transform:uppercase;letter-spacing:.04em;margin-bottom:10px;}
.page-content .scmd-study h3{font-size:16.5px;margin-bottom:10px;}
.page-content .scmd-study p{font-size:13.5px;color:var(--gray);margin-bottom:14px;}
.page-content .scmd-study__stat{font-size:13.5px;font-weight:800;color:var(--navy);background:var(--sky);display:inline-block;padding:8px 14px;border-radius:8px;}

/* CTA band (e.g. bottom of Research page) */
.page-content .scmd-cta-band{background:var(--navy);border-radius:20px;padding:60px 50px;text-align:center;color:#fff;}
.page-content .scmd-cta-band h2{color:#fff;max-width:none;}
.page-content .scmd-cta-band p{color:#B8C8DD;max-width:520px;margin:0 auto 24px;}
.page-content .scmd-btn{display:inline-flex;align-items:center;padding:13px 28px;border-radius:30px;font-size:14px;font-weight:700;text-decoration:none;}
.page-content .scmd-btn--white{background:#fff;color:var(--navy);}

/* Contact page: form column needs breathing room beside the info column */
.page-content .scmd-grid-2 form{margin-top:6px;}
.page-content .wpcf7-contact-form-not-found{color:var(--red);font-size:13.5px;border:1px dashed var(--red);border-radius:10px;padding:16px;}

@media (max-width:900px){
  .page-content .scmd-grid-2{grid-template-columns:1fr;gap:32px;}
  .page-content .scmd-grid-3{grid-template-columns:1fr 1fr;}
  .page-content .section{padding:60px 0;}
  .page-content h2{font-size:28px;}
}
@media (max-width:600px){
  .page-content .scmd-grid-3{grid-template-columns:1fr;}
  .page-content .scmd-cta-band{padding:40px 28px;}
}

/* ---------- Forms (contact, comments) ---------- */
input[type=text],input[type=email],input[type=tel],input[type=url],textarea,select{
  width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:14px;margin-bottom:16px;
}
input[type=submit],button[type=submit]{
  background:var(--blue);color:#fff;border:none;padding:13px 28px;border-radius:30px;font-size:14px;font-weight:700;cursor:pointer;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .hero h1{font-size:36px;}
  .hero{height:auto;padding-top:140px;padding-bottom:120px;}
  .nav-links{display:none;}
  .menu-toggle{display:block;color:#fff;}
  .site-header-solid .menu-toggle{color:#fff;}
  .site-header-solid .nav-links{display:none;}
  body.nav-open .nav-links{display:flex;position:absolute;top:60px;left:0;right:0;background:var(--navy);flex-direction:column;padding:20px 32px;gap:16px;z-index:20;}
  body.nav-open .nav-links ul{flex-direction:column;align-items:flex-start;gap:16px;width:100%;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .compare{grid-template-columns:1fr;}
  .grid-3{grid-template-columns:1fr;}
  .testimonial-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .badge-card{position:static;margin:24px auto 0;width:fit-content;}
  section{padding:60px 0;}
}