/* ==============================================================
   BLOG · Dr. Sergio Estefania Murillas
   Shared stylesheet for blog/index.html and every article page.
   ============================================================== */

:root{
  --bg:#fafaf9;
  --paper:#ffffff;
  --ink:#0a0a0a;
  --ink-soft:#3f3f3f;
  --muted:#6b6b6b;
  --line:#e5e5e5;
  --line-soft:#f0f0f0;
  --gold:#b8925a;
  --gold-dark:#8c6d3e;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  --display:'Fraunces',Georgia,serif;
  --ease:cubic-bezier(.4,0,.2,1);
  --slow:cubic-bezier(.19,1,.22,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.7;font-weight:400;font-size:16px;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{font-family:var(--display);font-weight:400;letter-spacing:-.02em;line-height:1.1}
em{font-style:italic}

.container{max-width:1280px;margin:0 auto;padding:0 40px}
@media(max-width:640px){.container{padding:0 22px}}

.tag{display:inline-flex;align-items:center;gap:10px;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);font-weight:500}
.tag::before{content:'';width:32px;height:1px;background:var(--gold)}

/* =========== INFOBAR =========== */
.infobar{background:var(--ink);color:rgba(255,255,255,.8);padding:0;font-size:.76rem}
.infobar-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:8px 0;flex-wrap:wrap}
.infobar-left{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.infobar-item{display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.72);transition:color .25s var(--ease)}
.infobar-item:hover{color:var(--gold)}
.infobar-item strong{color:#fff;font-weight:500}
.infobar-item svg{width:12px;height:12px;stroke-width:1.8;color:var(--gold);flex-shrink:0}
.infobar-right{display:flex;gap:10px;align-items:center}
.infobar-right a{width:26px;height:26px;border:1px solid rgba(255,255,255,.15);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.7);border-radius:50%;transition:all .25s var(--ease)}
.infobar-right a:hover{background:var(--gold);border-color:var(--gold);color:var(--ink)}
.infobar-right svg{width:12px;height:12px;stroke-width:1.6}
@media(max-width:900px){.infobar-left .infobar-item:nth-child(3){display:none}}
@media(max-width:640px){.infobar{display:none}}

/* =========== TOPBAR =========== */
.topbar{position:sticky;top:0;z-index:50;padding:16px 0;background:rgba(250,250,249,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:inline-flex;align-items:center;gap:12px}
.brand-mark{width:28px;height:28px;background:var(--ink);color:var(--bg);display:flex;align-items:center;justify-content:center;font-family:var(--display);font-size:.95rem;font-weight:500;letter-spacing:-.02em;border-radius:2px}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-family:var(--display);font-size:1.05rem;font-weight:500;letter-spacing:-.01em}
.brand-name em{font-style:italic;color:var(--gold)}
.brand-sub{font-size:.68rem;color:var(--muted);letter-spacing:.02em;margin-top:2px}
.topbar-nav{display:flex;gap:28px;align-items:center;list-style:none}
.topbar-nav a{font-size:.85rem;color:var(--ink-soft);font-weight:500}
.topbar-nav a:hover{color:var(--gold)}
.topbar-nav .current{color:var(--ink);position:relative}
.topbar-nav .current::after{content:'';position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--gold)}

.btn{display:inline-flex;align-items:center;gap:10px;padding:12px 22px;font-size:.82rem;font-weight:500;background:var(--ink);color:var(--bg);transition:all .3s var(--ease);border:1px solid var(--ink)}
.btn:hover{background:var(--gold);border-color:var(--gold)}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--bg)}
.btn-gold{background:var(--gold);border-color:var(--gold)}
.btn-gold:hover{background:var(--ink);border-color:var(--ink)}
.btn svg{width:14px;height:14px;transition:transform .3s}
.btn:hover svg{transform:translateX(3px)}

.hamburger{display:none;width:34px;height:34px;flex-direction:column;justify-content:center;gap:5px;align-items:center}
.hamburger span{display:block;width:18px;height:1.5px;background:var(--ink);transition:.3s var(--ease);border-radius:2px}
.hamburger.active span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
@media(max-width:900px){
  .topbar-nav{position:fixed;top:0;right:-100%;width:80%;max-width:340px;height:100vh;background:var(--paper);flex-direction:column;justify-content:center;gap:22px;padding:50px;transition:right .35s var(--ease);border-left:1px solid var(--line);z-index:60}
  .topbar-nav.open{right:0}
  .topbar-nav a{font-size:1.1rem;font-family:var(--display);letter-spacing:-.01em}
  .topbar .btn{display:none}
  .hamburger{display:flex}
  .brand-sub{display:none}
}

/* =========== BLOG INDEX PAGE =========== */
.blog-hero{padding:80px 0 60px}
.blog-hero-inner{max-width:900px}
.blog-hero .tag{margin-bottom:28px}
.blog-hero h1{font-size:clamp(2.6rem,6vw,4.4rem);line-height:1.08;margin-bottom:26px;letter-spacing:-.02em;font-weight:400}
.blog-hero h1 em{font-style:italic;color:var(--gold);font-weight:400}
.blog-hero p{color:var(--ink-soft);font-size:1.1rem;line-height:1.75;max-width:700px}
.blog-hero p em{font-family:var(--display);font-style:italic;color:var(--ink);font-weight:500}

.section{padding:60px 0}
.section-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:30px;padding-bottom:20px;border-bottom:1px solid var(--line);flex-wrap:wrap;gap:14px}
.section-head h2{font-size:1.6rem;font-weight:500}
.section-head h2 em{font-style:italic;color:var(--gold);font-weight:400}
.section-head .count{font-size:.8rem;color:var(--muted);font-family:var(--display);font-style:italic}

.blog-filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:34px;padding-bottom:26px;border-bottom:1px dashed var(--line)}
.blog-filter{font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;font-weight:500;padding:9px 18px;background:var(--paper);color:var(--ink-soft);border:1px solid var(--line);cursor:pointer;transition:all .25s var(--ease)}
.blog-filter:hover{border-color:var(--ink);color:var(--ink)}
.blog-filter.active{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.blog-filter .cnt{font-family:var(--display);font-style:italic;font-size:.72rem;color:var(--gold);margin-left:6px;font-weight:400}
.article-card.hidden,.featured.hidden{opacity:0;transform:scale(.96);pointer-events:none;position:absolute;visibility:hidden}

.featured{display:grid;grid-template-columns:1.2fr 1fr;gap:0;margin-bottom:60px;background:var(--paper);border:1px solid var(--line);overflow:hidden;transition:all .4s var(--slow);text-decoration:none;color:inherit}
.featured:hover{border-color:var(--ink);box-shadow:0 30px 60px rgba(10,10,10,.06);transform:translateY(-4px)}
.featured-img{min-height:420px;position:relative;overflow:hidden;background:linear-gradient(135deg,#e8dcc4 0%,#c9a873 50%,#8c6d3e 100%)}
.featured-img::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(10,10,10,.35) 100%),url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 800 600"><defs><radialGradient id="g"><stop offset="0" stop-color="%23d4a574" stop-opacity=".5"/><stop offset="1" stop-color="%23d4a574" stop-opacity="0"/></radialGradient></defs><ellipse cx="400" cy="300" rx="380" ry="280" fill="url(%23g)"/><path d="M280 310 Q400 240 520 310" stroke="%23fff" stroke-width="2" fill="none" opacity=".55" stroke-linecap="round"/><g fill="%23fff" opacity=".35"><circle cx="310" cy="325" r="4"/><circle cx="355" cy="335" r="4"/><circle cx="400" cy="340" r="4"/><circle cx="445" cy="335" r="4"/><circle cx="490" cy="325" r="4"/></g></svg>');background-size:cover}
.featured-img .featured-stamp{position:absolute;top:24px;left:24px;z-index:2;padding:6px 14px;background:var(--paper);font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;color:var(--ink);font-weight:500}
.featured-img .featured-stamp em{font-style:italic;color:var(--gold);font-weight:400;margin-left:6px}
.featured-img .featured-pin{position:absolute;bottom:26px;left:26px;z-index:2;color:var(--paper);font-family:var(--display);font-style:italic;font-size:1.2rem;letter-spacing:-.01em}
.featured-body{padding:46px 44px;display:flex;flex-direction:column;gap:18px;justify-content:center}
.featured-meta{display:flex;gap:18px;font-size:.72rem;letter-spacing:.15em;text-transform:uppercase;color:var(--muted);font-weight:500;align-items:center;flex-wrap:wrap}
.featured-meta .dot{width:3px;height:3px;background:var(--muted);border-radius:50%}
.featured-meta .cat{color:var(--gold);font-weight:600}
.featured-body h2{font-size:clamp(1.8rem,3.2vw,2.4rem);line-height:1.15;font-weight:500;letter-spacing:-.02em;margin:2px 0 4px}
.featured-body h2 em{font-style:italic;color:var(--gold);font-weight:400}
.featured-body .excerpt{color:var(--ink-soft);font-size:1.05rem;line-height:1.75;max-width:540px}
.featured-body .read-btn{display:inline-flex;align-items:center;gap:10px;padding:13px 22px;background:var(--ink);color:var(--paper);font-size:.78rem;letter-spacing:.15em;text-transform:uppercase;font-weight:500;margin-top:14px;align-self:flex-start;transition:all .3s var(--ease)}
.featured-body .read-btn:hover{background:var(--gold)}
.featured-body .read-btn svg{width:14px;height:14px;transition:transform .3s}
.featured-body .read-btn:hover svg{transform:translateX(3px)}
@media(max-width:900px){.featured{grid-template-columns:1fr}.featured-img{min-height:280px;aspect-ratio:16/10}.featured-body{padding:32px 28px}}

.articles-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:1000px){.articles-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.articles-grid{grid-template-columns:1fr}}

.article-card{background:var(--paper);border:1px solid var(--line);overflow:hidden;display:flex;flex-direction:column;transition:all .4s var(--slow);text-decoration:none;color:inherit}
.article-card:hover{transform:translateY(-4px);border-color:var(--ink);box-shadow:0 30px 60px rgba(10,10,10,.05)}
.article-card-img{aspect-ratio:4/3;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.article-card-img.c-estetica{background:linear-gradient(135deg,#efe9dd,#b69a70 60%,#6e532b)}
.article-card-img.c-implantes{background:linear-gradient(135deg,#f0ebe0,#a88d5f 60%,#5d4520)}
.article-card-img.c-endodoncia{background:linear-gradient(135deg,#ebe4d3,#99784c 60%,#4a3618)}
.article-card-img.c-consulta{background:linear-gradient(135deg,#e8dfc9,#b6996c 60%,#6b5232)}
.article-card-img.c-protesis{background:linear-gradient(135deg,#e6dbc2,#8d7044 60%,#422e12)}
.article-card-img::before{content:'';position:absolute;inset:0;background:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 400 300"><circle cx="200" cy="130" r="60" fill="%234e3820" opacity=".35"/><path d="M80 230 Q200 170 320 230 L320 300 L80 300 Z" fill="%233a2b15" opacity=".45"/></svg>');background-size:cover}
.article-card-img .label{position:absolute;top:14px;left:14px;z-index:2;padding:4px 10px;background:rgba(250,250,249,.92);backdrop-filter:blur(6px);font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink);font-weight:600}
.article-card-body{padding:24px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.article-card-meta{display:flex;gap:14px;font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:500;align-items:center}
.article-card-meta .dot{width:3px;height:3px;background:var(--muted);border-radius:50%}
.article-card-meta .cat{color:var(--gold);font-weight:600}
.article-card h3{font-family:var(--display);font-size:1.3rem;font-weight:500;letter-spacing:-.01em;line-height:1.2;color:var(--ink)}
.article-card h3 em{font-style:italic;color:var(--gold);font-weight:400}
.article-card p{color:var(--ink-soft);font-size:.9rem;line-height:1.65;flex:1}
.article-card .read-more{display:inline-flex;align-items:center;gap:8px;font-size:.72rem;letter-spacing:.15em;text-transform:uppercase;color:var(--ink);font-weight:500;margin-top:auto;padding-top:14px;border-top:1px solid var(--line-soft)}
.article-card .read-more::after{content:'→';transition:transform .3s}
.article-card:hover .read-more::after{transform:translateX(4px);color:var(--gold)}
.article-card:hover .read-more{color:var(--gold)}

.newsletter{margin-top:80px;padding:60px 50px;background:var(--paper);border:1px solid var(--line);border-left:3px solid var(--gold);display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.newsletter h2{font-size:1.9rem;letter-spacing:-.015em;line-height:1.15;margin-bottom:14px;font-weight:500}
.newsletter h2 em{font-style:italic;color:var(--gold)}
.newsletter p{color:var(--ink-soft);line-height:1.7;max-width:460px}
.newsletter-form{display:flex;flex-direction:column;gap:14px}
.newsletter-form label{font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ink);font-weight:500}
.newsletter-form .row{display:flex;gap:12px;flex-wrap:wrap}
.newsletter-form input{flex:1;min-width:200px;padding:12px 14px;background:var(--bg);border:1px solid var(--line);font-family:var(--sans);font-size:.95rem;color:var(--ink);transition:border-color .3s}
.newsletter-form input:focus{outline:none;border-color:var(--gold)}
.newsletter-form .consent{font-size:.78rem;color:var(--muted);line-height:1.5}
.newsletter-form .consent a{color:var(--gold);border-bottom:1px solid var(--line)}
.newsletter-ok{display:none;padding:14px;background:var(--bg);border:1px solid var(--gold);color:var(--ink);font-family:var(--display);font-style:italic;margin-top:10px}
.newsletter-ok.show{display:block}
@media(max-width:900px){.newsletter{grid-template-columns:1fr;gap:28px;padding:40px 28px}}

/* =========== ARTICLE PAGE =========== */
.read-progress{position:fixed;top:0;left:0;right:0;height:3px;background:transparent;z-index:100}
.read-progress-bar{height:100%;background:var(--gold);width:0;transition:width .15s linear}

.breadcrumb{padding:28px 0 14px;font-size:.76rem;color:var(--muted);letter-spacing:.06em;font-weight:500}
.breadcrumb a{color:var(--muted);transition:color .25s}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb .sep{margin:0 10px;color:var(--line)}
.breadcrumb .current{color:var(--ink)}

.article-hero{padding:12px 0 44px}
.article-hero-meta{display:flex;gap:20px;font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-weight:500;align-items:center;margin-bottom:32px;flex-wrap:wrap}
.article-hero-meta .dot{width:3px;height:3px;background:var(--muted);border-radius:50%}
.article-hero-meta .cat{color:var(--gold);font-weight:600}
.article-hero h1{font-size:clamp(2.4rem,5.2vw,4rem);line-height:1.1;font-weight:400;letter-spacing:-.025em;max-width:980px}
.article-hero h1 em{font-style:italic;color:var(--gold);font-weight:400}
.article-hero-sub{color:var(--ink-soft);font-size:clamp(1.1rem,1.5vw,1.3rem);line-height:1.7;max-width:780px;margin-top:28px;font-family:var(--display);font-weight:400}
.article-hero-sub em{font-style:italic;color:var(--ink);font-weight:500}

.article-cover{margin:42px 0 50px;width:100%;aspect-ratio:21/9;position:relative;overflow:hidden;border:1px solid var(--line)}
.article-cover.c-estetica{background:linear-gradient(135deg,#e8dcc4 0%,#c9a873 45%,#8c6d3e 100%)}
.article-cover.c-implantes{background:linear-gradient(135deg,#efe9dd 0%,#b69a70 45%,#6e532b 100%)}
.article-cover.c-endodoncia{background:linear-gradient(135deg,#e4dccb 0%,#a8895a 45%,#5d4520 100%)}
.article-cover.c-consulta{background:linear-gradient(135deg,#ebe3cd 0%,#c3a372 45%,#7a5e2d 100%)}
.article-cover.c-protesis{background:linear-gradient(135deg,#e8dcc0 0%,#9d7f48 45%,#513a18 100%)}
.article-cover::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(10,10,10,.3) 100%),url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 500"><defs><radialGradient id="g"><stop offset="0" stop-color="%23d4a574" stop-opacity=".5"/><stop offset="1" stop-color="%23d4a574" stop-opacity="0"/></radialGradient></defs><ellipse cx="600" cy="250" rx="520" ry="230" fill="url(%23g)"/><path d="M400 280 Q600 170 800 280" stroke="%23fff" stroke-width="3" fill="none" opacity=".5" stroke-linecap="round"/><g fill="%23fff" opacity=".4"><circle cx="460" cy="295" r="5"/><circle cx="510" cy="305" r="5"/><circle cx="560" cy="310" r="5"/><circle cx="610" cy="312" r="5"/><circle cx="660" cy="310" r="5"/><circle cx="710" cy="305" r="5"/><circle cx="760" cy="295" r="5"/></g></svg>');background-size:cover}
.article-cover-stamp{position:absolute;top:22px;left:22px;padding:5px 12px;background:rgba(250,250,249,.9);backdrop-filter:blur(6px);font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ink);font-weight:500;z-index:1}
.article-cover-caption{position:absolute;bottom:22px;left:22px;right:22px;color:var(--paper);font-family:var(--display);font-style:italic;font-size:.9rem;letter-spacing:.02em;z-index:1}

.article-layout{display:grid;grid-template-columns:200px 1fr;gap:60px;margin-bottom:80px}
@media(max-width:900px){.article-layout{grid-template-columns:1fr;gap:30px}}

/* ANSWER BOX (featured snippet target — GEO boost) */
.answer-box{margin:0 0 36px;padding:24px 28px;background:var(--paper);border:1px solid var(--line);border-left:3px solid var(--gold);display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start}
.answer-box-tag{font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);font-weight:600;padding-top:3px;writing-mode:vertical-rl;transform:rotate(180deg)}
.answer-box-body p{font-size:1.02rem;line-height:1.75;color:var(--ink);margin:0;font-family:var(--display);font-weight:400}
.answer-box-body p strong{color:var(--ink);font-weight:500}
.answer-box-body p em{font-style:italic;color:var(--gold)}
@media(max-width:640px){.answer-box{grid-template-columns:1fr;gap:10px}.answer-box-tag{writing-mode:initial;transform:none}}

/* TOC */
.toc{position:sticky;top:120px;align-self:start}
.toc h4{font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-bottom:16px;font-weight:600;font-family:var(--sans)}
.toc ol{list-style:none;counter-reset:toc;display:flex;flex-direction:column;gap:2px}
.toc li{counter-increment:toc}
.toc a{display:flex;align-items:baseline;gap:12px;padding:8px 0;font-size:.85rem;color:var(--ink-soft);font-weight:500;transition:all .25s var(--ease);border-left:1px solid var(--line);padding-left:14px;line-height:1.45}
.toc a::before{content:counter(toc, decimal-leading-zero);font-family:var(--display);font-style:italic;font-size:.8rem;color:var(--gold);flex-shrink:0}
.toc a:hover,.toc a.active{color:var(--ink);border-left-color:var(--gold);background:var(--paper)}
.toc-share{margin-top:34px;padding-top:20px;border-top:1px solid var(--line)}
.toc-share h4{margin-bottom:12px}
.toc-share-btns{display:flex;gap:8px}
.toc-share-btns a,.toc-share-btns button{width:34px;height:34px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink-soft);transition:all .25s var(--ease);border-radius:50%;cursor:pointer;background:transparent}
.toc-share-btns a:hover,.toc-share-btns button:hover{background:var(--gold);border-color:var(--gold);color:var(--paper)}
.toc-share-btns svg{width:13px;height:13px;stroke-width:1.8}
@media(max-width:900px){.toc{position:relative;top:0;padding:22px;background:var(--paper);border:1px solid var(--line)}.toc a{border-left:0;padding-left:0}}

/* ARTICLE BODY */
.article-body{max-width:780px}
.article-body h2{font-size:clamp(1.6rem,2.6vw,2.1rem);line-height:1.15;font-weight:500;letter-spacing:-.02em;margin:48px 0 18px;scroll-margin-top:100px}
.article-body h2 em{font-style:italic;color:var(--gold);font-weight:400}
.article-body h2::before{content:'';display:block;width:42px;height:2px;background:var(--gold);margin-bottom:22px}
.article-body h3{font-size:1.3rem;font-weight:500;letter-spacing:-.015em;margin:32px 0 14px;color:var(--ink)}
.article-body h3 em{font-style:italic;color:var(--gold);font-weight:400}
.article-body p{color:var(--ink-soft);line-height:1.8;margin-bottom:20px;font-size:1.02rem}
.article-body p strong{color:var(--ink);font-weight:500}
.article-body p em{font-style:italic;color:var(--ink);font-weight:500}
.article-body a.link{color:var(--ink);border-bottom:1px solid var(--gold);padding-bottom:1px;font-weight:500}
.article-body a.link:hover{color:var(--gold)}
.article-body ul,.article-body ol{margin:18px 0 24px 26px;color:var(--ink-soft)}
.article-body ul li,.article-body ol li{margin-bottom:10px;line-height:1.75;font-size:1rem;padding-left:8px}
.article-body ul li::marker{color:var(--gold)}
.article-body ol li::marker{color:var(--gold);font-family:var(--display);font-style:italic;font-weight:500}
.article-body .lead{font-family:var(--display);font-size:1.3rem;line-height:1.55;color:var(--ink);margin-bottom:32px;font-weight:400}
.article-body .lead::first-letter{font-size:3.8rem;float:left;line-height:.9;padding:6px 14px 0 0;color:var(--gold);font-weight:500;font-style:italic}

.pullquote{margin:42px 0;padding:32px 36px 32px 52px;position:relative;background:var(--paper);border-left:3px solid var(--gold)}
.pullquote::before{content:'"';position:absolute;left:18px;top:18px;font-family:var(--display);font-size:4rem;color:var(--gold);font-weight:500;line-height:.6;opacity:.4}
.pullquote p{font-family:var(--display);font-style:italic;font-size:1.4rem;line-height:1.45;color:var(--ink);margin:0;font-weight:400}
.pullquote p em{color:var(--gold);font-style:italic}
.pullquote cite{display:block;margin-top:16px;font-style:normal;font-family:var(--sans);font-size:.78rem;letter-spacing:.15em;text-transform:uppercase;color:var(--muted);font-weight:500}

.callout{margin:32px 0;padding:24px 28px;background:var(--paper);border:1px solid var(--line);display:grid;grid-template-columns:42px 1fr;gap:18px;align-items:start}
.callout-icon{width:42px;height:42px;background:var(--gold);color:var(--paper);border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--display);font-style:italic;font-size:1.2rem;font-weight:500;flex-shrink:0}
.callout-body{padding-top:6px}
.callout-body h4{font-family:var(--display);font-size:1.1rem;font-weight:500;letter-spacing:-.01em;margin-bottom:6px;color:var(--ink)}
.callout-body h4 em{font-style:italic;color:var(--gold)}
.callout-body p{font-size:.92rem;color:var(--ink-soft);line-height:1.7;margin:0}

.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin:32px 0}
.step{padding:24px;background:var(--paper);border:1px solid var(--line);position:relative;transition:all .3s var(--ease)}
.step:hover{border-color:var(--ink);transform:translateY(-3px)}
.step-num{font-family:var(--display);font-style:italic;font-size:1.2rem;color:var(--gold);margin-bottom:10px;display:block;font-weight:500}
.step h4{font-family:var(--display);font-size:1.1rem;font-weight:500;letter-spacing:-.01em;margin-bottom:8px;color:var(--ink);line-height:1.15}
.step h4 em{font-style:italic;color:var(--gold)}
.step p{font-size:.88rem;color:var(--ink-soft);line-height:1.65;margin:0}

.figure{margin:32px 0}
.figure-img{aspect-ratio:16/9;width:100%;background:linear-gradient(135deg,#e0d4ba,#b6996c 60%,#6e532b);border:1px solid var(--line);position:relative;overflow:hidden}
.figure-img::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(10,10,10,.2)),url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 800 450"><g stroke="%23fff" stroke-width="1" opacity=".5" stroke-dasharray="3 3"><line x1="100" y1="225" x2="700" y2="225"/><line x1="300" y1="80" x2="300" y2="370"/><line x1="500" y1="80" x2="500" y2="370"/></g><path d="M280 280 Q400 180 520 280" stroke="%23fff" stroke-width="2.5" fill="none" opacity=".7"/><g fill="%23d4a574"><circle cx="300" cy="283" r="4"/><circle cx="340" cy="261" r="4"/><circle cx="380" cy="246" r="4"/><circle cx="420" cy="240" r="4"/><circle cx="460" cy="246" r="4"/><circle cx="500" cy="261" r="4"/></g></svg>');background-size:cover}
.figure-caption{margin-top:12px;font-family:var(--display);font-style:italic;font-size:.92rem;color:var(--muted);line-height:1.5}
.figure-caption strong{color:var(--ink);font-style:normal;font-family:var(--sans);font-weight:600;letter-spacing:.02em;font-size:.78rem;text-transform:uppercase;margin-right:8px}

/* COMPARISON TABLE (GEO-friendly) */
.compare{margin:32px 0;width:100%;border-collapse:collapse;font-size:.92rem}
.compare th,.compare td{padding:14px 18px;border:1px solid var(--line);text-align:left;vertical-align:top}
.compare th{background:var(--paper);font-family:var(--display);font-weight:500;letter-spacing:-.005em;color:var(--ink);font-size:.98rem}
.compare th em{font-style:italic;color:var(--gold);font-weight:400}
.compare tbody th{background:var(--bg);font-weight:500}
.compare td{color:var(--ink-soft)}
.compare tbody tr:hover{background:rgba(184,146,90,.03)}
@media(max-width:640px){.compare,.compare thead,.compare tbody,.compare th,.compare td,.compare tr{display:block}.compare thead{display:none}.compare tbody tr{margin-bottom:18px;border:1px solid var(--line);padding:6px 0}.compare td,.compare tbody th{border:0;padding:8px 16px}.compare td::before{content:attr(data-label);display:block;font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:4px;font-weight:600}}

/* CTA block inside article */
.article-cta{margin:60px 0 0;padding:50px 44px;background:var(--paper);border:1px solid var(--line);border-left:3px solid var(--gold);display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center}
.article-cta h3{font-family:var(--display);font-size:1.6rem;font-weight:500;letter-spacing:-.015em;line-height:1.2;margin-bottom:10px}
.article-cta h3 em{font-style:italic;color:var(--gold);font-weight:400}
.article-cta p{color:var(--ink-soft);font-size:.98rem;line-height:1.65}
.article-cta-btns{display:flex;gap:12px;flex-direction:column;align-items:flex-start}
@media(max-width:800px){.article-cta{grid-template-columns:1fr;gap:24px;padding:32px 26px}.article-cta-btns{flex-direction:row;flex-wrap:wrap}}

/* Author box */
.author-box{margin-top:60px;padding:36px;background:var(--paper);border:1px solid var(--line);display:grid;grid-template-columns:110px 1fr;gap:28px;align-items:start}
.author-avatar{width:110px;height:110px;border-radius:50%;background:linear-gradient(135deg,#e8dcc4,#b69a70 60%,#8c6d3e);position:relative;overflow:hidden}
.author-avatar::before{content:'';position:absolute;inset:0;background:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 110 110"><circle cx="55" cy="42" r="18" fill="%238c6d3e" opacity=".55"/><path d="M20 95 Q55 70 90 95 L90 110 L20 110 Z" fill="%236e532b" opacity=".6"/></svg>');background-size:cover}
.author-avatar::after{content:'E';position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--display);font-style:italic;font-size:2.4rem;color:#fff;font-weight:500;z-index:1;text-shadow:0 2px 6px rgba(0,0,0,.2)}
.author-info .label{font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);font-weight:600;margin-bottom:8px;display:block}
.author-info h4{font-family:var(--display);font-size:1.3rem;font-weight:500;letter-spacing:-.01em;margin-bottom:6px}
.author-info h4 em{font-style:italic;color:var(--gold);font-weight:400}
.author-info .role{font-size:.82rem;color:var(--muted);margin-bottom:12px;letter-spacing:.01em}
.author-info p{font-size:.92rem;color:var(--ink-soft);line-height:1.65;margin-bottom:16px}
.author-info .author-cta{display:inline-flex;align-items:center;gap:8px;font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink);font-weight:500;padding-bottom:4px;border-bottom:1px solid var(--gold)}
.author-info .author-cta::after{content:'→';transition:transform .3s}
.author-info .author-cta:hover{color:var(--gold)}
.author-info .author-cta:hover::after{transform:translateX(4px)}
@media(max-width:640px){.author-box{grid-template-columns:1fr;gap:20px}.author-avatar{width:80px;height:80px}.author-avatar::after{font-size:1.8rem}}

/* Related */
.related{margin:80px 0 40px}
.related-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:28px;padding-bottom:18px;border-bottom:1px solid var(--line);flex-wrap:wrap;gap:14px}
.related-head h3{font-size:1.4rem;font-weight:500}
.related-head h3 em{font-style:italic;color:var(--gold)}
.related-head a{font-size:.8rem;letter-spacing:.15em;text-transform:uppercase;color:var(--ink);font-weight:500}
.related-head a:hover{color:var(--gold)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:900px){.related-grid{grid-template-columns:1fr}}
.rel-card{background:var(--paper);border:1px solid var(--line);overflow:hidden;transition:all .3s var(--ease);text-decoration:none;color:inherit}
.rel-card:hover{transform:translateY(-3px);border-color:var(--ink)}
.rel-img{aspect-ratio:4/3;position:relative;border-bottom:1px solid var(--line)}
.rel-img.c-estetica{background:linear-gradient(135deg,#efe9dd,#b69a70 60%,#6e532b)}
.rel-img.c-implantes{background:linear-gradient(135deg,#f0ebe0,#a88d5f 60%,#5d4520)}
.rel-img.c-endodoncia{background:linear-gradient(135deg,#ebe4d3,#99784c 60%,#4a3618)}
.rel-img.c-consulta{background:linear-gradient(135deg,#e8dfc9,#b6996c 60%,#6b5232)}
.rel-img.c-protesis{background:linear-gradient(135deg,#e6dbc2,#8d7044 60%,#422e12)}
.rel-img::before{content:'';position:absolute;inset:0;background:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 400 300"><circle cx="200" cy="130" r="60" fill="%234e3820" opacity=".35"/><path d="M80 230 Q200 170 320 230 L320 300 L80 300 Z" fill="%233a2b15" opacity=".45"/></svg>');background-size:cover}
.rel-img .lbl{position:absolute;top:12px;left:12px;padding:4px 10px;background:rgba(10,10,10,.82);color:var(--paper);font-size:.6rem;letter-spacing:.2em;text-transform:uppercase;font-weight:600}
.rel-body{padding:20px 22px}
.rel-body .meta{font-size:.66rem;letter-spacing:.15em;text-transform:uppercase;color:var(--muted);margin-bottom:8px;font-weight:500}
.rel-body .meta .cat{color:var(--gold);font-weight:600}
.rel-body h4{font-family:var(--display);font-size:1.1rem;font-weight:500;letter-spacing:-.01em;line-height:1.2;color:var(--ink)}
.rel-body h4 em{font-style:italic;color:var(--gold);font-weight:400}

/* =========== FOOTER =========== */
.footer{padding:50px 0 36px;background:var(--ink);color:rgba(255,255,255,.7);margin-top:60px}
.footer-inner{display:grid;grid-template-columns:2.2fr 1fr 1fr 1fr;gap:50px;margin-bottom:40px}
.footer-brand .brand-mark{background:var(--bg);color:var(--ink)}
.footer-brand .brand-name{color:var(--bg)}
.footer-brand .brand-name em{color:var(--gold)}
.footer-brand p{font-size:.88rem;line-height:1.7;max-width:360px;margin:16px 0}
.footer-cert{display:flex;gap:10px;flex-wrap:wrap}
.footer-cert span{font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);font-weight:500;padding:5px 10px;background:rgba(184,146,90,.1);border:1px solid rgba(184,146,90,.3)}
.footer h5{color:var(--gold);font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;margin-bottom:20px;font-weight:500}
.footer ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer ul a{font-size:.88rem;transition:color .3s}
.footer ul a:hover{color:var(--gold)}
.socials{display:flex;gap:8px;margin-top:18px}
.socials a{width:36px;height:36px;background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;transition:all .3s;color:rgba(255,255,255,.7)}
.socials a:hover{background:var(--gold);color:var(--ink)}
.socials svg{width:14px;height:14px;stroke-width:1.5}
.footer-legal{padding-top:26px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;font-size:.76rem;color:rgba(255,255,255,.5)}
.footer-legal .legal{display:flex;gap:20px}
.footer-legal a:hover{color:var(--gold)}
@media(max-width:900px){.footer-inner{grid-template-columns:1fr 1fr;gap:36px}}
@media(max-width:600px){.footer-inner{grid-template-columns:1fr}.footer-legal{flex-direction:column;text-align:center;align-items:center}.footer-legal .legal{flex-wrap:wrap;justify-content:center}}

/* =========== FLOATING ELEMENTS =========== */
.back-to-selector{position:fixed;top:14px;left:14px;z-index:110;display:inline-flex;align-items:center;gap:8px;padding:8px 14px;background:var(--paper);color:var(--ink);border:1px solid var(--line);border-left:3px solid var(--gold);font-size:.7rem;letter-spacing:.15em;text-transform:uppercase;font-weight:500;box-shadow:0 6px 20px rgba(10,10,10,.06);transition:all .3s var(--ease)}
.back-to-selector:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);border-left-color:var(--gold)}
.back-to-selector svg{width:11px;height:11px;stroke-width:2;transition:transform .3s}
.back-to-selector:hover svg{transform:translateX(-3px)}
@media(max-width:600px){.back-to-selector{padding:7px 12px;font-size:.65rem}.back-to-selector span{display:none}}

.wa-float{position:fixed;bottom:22px;right:22px;z-index:90;width:56px;height:56px;border-radius:50%;background:#25d366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(37,211,102,.35);transition:.25s;animation:pulse 2.5s infinite}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:26px;height:26px}
@keyframes pulse{0%,100%{box-shadow:0 8px 24px rgba(37,211,102,.4)}50%{box-shadow:0 8px 24px rgba(37,211,102,.7),0 0 0 15px rgba(37,211,102,0)}}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--slow),transform .7s var(--slow)}
.reveal.visible{opacity:1;transform:translateY(0)}

@media(max-width:640px){
  .blog-hero{padding:50px 0 40px}
  h1{font-size:2rem}
  .article-hero{padding:8px 0 32px}
  .article-hero h1{font-size:2.1rem}
  .article-cover{aspect-ratio:4/3;margin:28px 0}
  .article-body h2::before{margin-bottom:14px}
  .pullquote{padding:24px 22px 24px 42px}
  .pullquote::before{font-size:3rem;left:14px;top:14px}
  .pullquote p{font-size:1.2rem}
  .featured-body{padding:28px 22px}
  .newsletter{padding:32px 24px}
}