/* Estilos compartidos del blog y de las páginas de artículo de dolormandibular.com
   (mismo lenguaje visual que index.html, paleta azul clínica) */
:root{
  --bg:#f4f7fb; --bg2:#eaf1f9; --card:#ffffff;
  --line:rgba(15,42,74,.10); --line2:rgba(15,42,74,.20);
  --txt:#10243f; --mut:#536179; --dim:#8190a4;
  --navy:#0f2a4a; --navy2:#163a66;
  --blue:#2b7de9; --blue2:#1f6fd6; --blue-soft:#e7f1fe;
  --teal:#10a394; --teal-soft:#e1f5f2;
  --radius:18px; --shadow:0 22px 48px -28px rgba(15,42,74,.40); --shadow-sm:0 10px 24px -16px rgba(15,42,74,.35);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}
.eyebrow{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--blue);font-weight:700}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.015em;line-height:1.2;color:var(--txt)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:inherit;font-weight:600;font-size:15px;padding:13px 22px;border-radius:12px;text-decoration:none;cursor:pointer;border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease}
.btn-primary{background:linear-gradient(180deg,var(--blue),var(--blue2));color:#fff;box-shadow:0 12px 24px -12px rgba(15,42,74,.45)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--navy);border-color:var(--line2)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--blue);color:var(--blue)}

/* header */
header{position:sticky;top:0;z-index:60;backdrop-filter:blur(14px);background:rgba(255,255,255,.85);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex:none}
.brand img{height:46px;width:auto}
.brand .bm{display:flex;flex-direction:column;line-height:1.12}
.brand .bm b{font-size:15.5px;font-weight:800;color:var(--navy)}
.brand .bm span{font-size:11.5px;color:var(--mut)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a:not(.btn){color:var(--mut);text-decoration:none;font-size:14px;font-weight:500;padding:8px 11px;border-radius:9px;transition:.18s;white-space:nowrap}
.nav-links a:not(.btn):hover{color:var(--navy);background:var(--blue-soft)}
@media(max-width:820px){.nav-links a:not(.btn){display:none}}

/* listado del blog */
.blog-hero{padding:60px 0 18px}
.blog-hero h1{font-size:clamp(30px,4.4vw,46px);margin:12px 0 14px}
.blog-hero p{color:var(--mut);font-size:18px;max-width:60ch}
.posts{padding:24px 0 80px;display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}
.pcard{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);text-decoration:none;transition:transform .2s ease,border-color .2s ease}
.pcard:hover{transform:translateY(-4px);border-color:var(--blue)}
.pcard .cover{aspect-ratio:16/10;background:var(--bg2);overflow:hidden}
.pcard .cover img{width:100%;height:100%;object-fit:cover}
.pcard .pb{padding:20px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.pcard .date{font-size:12px;color:var(--dim);font-weight:600;letter-spacing:.02em}
.pcard h2{font-size:20px;line-height:1.3}
.pcard p{color:var(--mut);font-size:14.5px}
.pcard .more{margin-top:auto;color:var(--blue);font-weight:600;font-size:14px}
.empty{padding:40px 0 90px;color:var(--mut);font-size:17px;text-align:center}
.badge-draft{display:inline-block;font-size:11px;font-weight:700;color:#b25b00;background:#fff3e0;border:1px solid #ffd9a8;border-radius:6px;padding:2px 7px;margin-left:6px}

/* página de artículo */
.article{padding:40px 0 70px}
.article .crumb{font-size:13px;color:var(--mut);margin-bottom:18px}
.article .crumb a{color:var(--blue);text-decoration:none}
.article-head{max-width:760px;margin:0 auto 26px}
.article-head .date{font-size:13px;color:var(--dim);font-weight:600}
.article-head h1{font-size:clamp(28px,4vw,44px);margin:10px 0 14px}
.article-head .excerpt{color:var(--mut);font-size:19px}
.article-cover{max-width:980px;margin:0 auto 32px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.article-cover img{width:100%;display:block}
.article-body{max-width:740px;margin:0 auto;font-size:17.5px;color:#1f3147}
.article-body>*+*{margin-top:18px}
.article-body h2{font-size:26px;margin-top:36px}
.article-body h3{font-size:21px;margin-top:28px}
.article-body p{line-height:1.75}
.article-body a{color:var(--blue);text-decoration:underline}
.article-body ul,.article-body ol{padding-left:22px}
.article-body li{margin:6px 0}
.article-body img{border-radius:12px;margin:24px auto;border:1px solid var(--line)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13.5px;color:var(--dim);text-align:center;margin-top:8px}
.article-body blockquote{border-left:4px solid var(--blue);background:var(--blue-soft);padding:14px 18px;border-radius:0 12px 12px 0;color:var(--navy)}
.article-cta{max-width:740px;margin:44px auto 0;background:linear-gradient(120deg,var(--navy),var(--navy2));color:#fff;border-radius:20px;padding:30px 28px;text-align:center}
.article-cta h3{color:#fff;font-size:22px;margin-bottom:14px}

/* footer */
footer{background:var(--navy);color:#cdd8e8;padding:48px 0 40px}
footer .wrap{display:flex;flex-direction:column;gap:14px}
.foot-brand{display:flex;align-items:center;gap:13px;text-decoration:none}
.foot-brand .chip{background:#fff;border-radius:12px;padding:7px 9px;flex:none}
.foot-brand .chip img{height:40px;width:auto}
.foot-brand b{color:#fff;font-size:16px;display:block}
.foot-brand span{font-size:12.5px;color:#9fb1cb}
.foot-links{display:flex;gap:18px;flex-wrap:wrap}
.foot-links a{color:#aebfd6;text-decoration:none;font-size:14px}
.foot-links a:hover{color:#fff}
.disclaimer{margin-top:8px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);font-size:12.5px;color:#8fa2bd;line-height:1.7}
.disclaimer strong{color:#cdd8e8}

/* redes en footer */
.foot-social{display:flex;gap:12px;align-items:center;margin-top:2px}
.foot-social a{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.08);color:#cdd8e8;transition:.18s}
.foot-social a:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px)}
.foot-social svg{width:20px;height:20px}

/* artículos relacionados (cross-links) */
.related{max-width:740px;margin:48px auto 0;padding-top:30px;border-top:1px solid var(--line)}
.related h2{font-size:20px;margin-bottom:18px}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.related-grid a{display:block;background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;text-decoration:none;box-shadow:var(--shadow-sm);transition:transform .2s ease,border-color .2s ease}
.related-grid a:hover{transform:translateY(-3px);border-color:var(--blue)}
.related-grid .rc-cover{aspect-ratio:16/10;background:var(--bg2);overflow:hidden}
.related-grid .rc-cover img{width:100%;height:100%;object-fit:cover}
.related-grid .rc-b{padding:13px 15px}
.related-grid .rc-b h3{font-size:15px;line-height:1.35;color:var(--navy)}

/* globo flotante de WhatsApp (ícono blanco) */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:80;display:inline-flex;align-items:center;gap:9px;height:58px;padding:0 20px 0 16px;border-radius:999px;background:#25D366;color:#fff;text-decoration:none;font-weight:700;font-size:15px;box-shadow:0 12px 26px -8px rgba(0,0,0,.45);transition:transform .18s ease,box-shadow .18s ease}
.wa-float:hover{transform:translateY(-2px) scale(1.03);box-shadow:0 16px 30px -8px rgba(0,0,0,.5)}
.wa-float svg{width:30px;height:30px;fill:#fff;flex:none}
.wa-float .wa-txt{color:#fff;white-space:nowrap}
@media(max-width:560px){.wa-float{height:54px;padding:0 18px 0 14px;font-size:14px}}