*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--green:#54927B;--green-dark:#3d7060;--navy:#00203F;--navy-deep:#000e1f;--light:#F9F9F9;--blue:#7EAAE5;--white:#fff;--muted:#5A6A7A;--border:#E2E8EE;--font-title:'Cormorant Garamond',Georgia,serif;--font-body:'Source Sans 3',system-ui,sans-serif;--shadow-sm:0 2px 8px rgba(0,32,63,.08);--shadow-md:0 8px 32px rgba(0,32,63,.12)}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--navy);background:var(--light);line-height:1.6;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
h1,h2,h3,h4{font-family:var(--font-title);line-height:1.2;font-weight:400}
.container{max-width:1120px;margin:0 auto;padding:0 28px}

/* NAV */
.site-nav{position:sticky;top:0;z-index:100;background:rgba(0,32,63,.97);backdrop-filter:blur(12px);box-shadow:0 2px 24px rgba(0,0,0,.2)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-logo-text{font-size:14px;color:rgba(255,255,255,.7);font-weight:500;transition:color .2s}
.nav-logo-text:hover{color:#fff}
.nav-links{display:flex;align-items:center;gap:24px}
.nav-links a{font-size:14px;color:rgba(255,255,255,.6);transition:color .2s}
.nav-links a:hover{color:#fff}
.btn-wa-nav{background:var(--green);color:#fff;padding:8px 16px;border-radius:6px;font-size:14px;font-weight:500;transition:background .2s}
.btn-wa-nav:hover{background:var(--green-dark)}

/* HERO */
.article-hero{background:var(--navy);padding:72px 0 52px;position:relative;overflow:hidden}
.article-hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 30%;filter:grayscale(30%) contrast(1.05);opacity:.18;mix-blend-mode:luminosity}
.article-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 80% at 80% 50%,rgba(126,170,229,.07) 0%,transparent 60%)}
.article-hero .container{position:relative;z-index:1}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.45);margin-bottom:20px;display:flex;align-items:center;gap:8px}
.breadcrumb a{color:rgba(255,255,255,.45);transition:color .2s}
.breadcrumb a:hover{color:rgba(255,255,255,.8)}
.breadcrumb span{color:rgba(255,255,255,.6)}
.art-cat{font-size:11px;text-transform:uppercase;letter-spacing:2px;font-weight:600;padding:4px 12px;border-radius:100px;display:inline-block;margin-bottom:18px}
.cat-ligamentos{background:rgba(126,170,229,.15);color:#7EAAE5}
.cat-menisco{background:rgba(84,146,123,.15);color:#6db898}
.cat-artrose{background:rgba(147,112,219,.15);color:#a07ad4}
.cat-artroscopia{background:rgba(201,168,76,.15);color:#c9a84c}
.cat-protese{background:rgba(70,130,180,.15);color:#6baed6}
.cat-esportes{background:rgba(205,92,92,.15);color:#e07070}
.article-hero h1{font-size:clamp(30px,4.5vw,52px);color:#fff;font-weight:300;margin-bottom:20px;max-width:780px;line-height:1.15}
.art-meta{display:flex;align-items:center;gap:10px;font-size:13.5px;color:rgba(255,255,255,.5);flex-wrap:wrap}

/* LAYOUT */
.article-layout{display:grid;grid-template-columns:1fr 300px;gap:52px;padding:56px 0 96px;align-items:start}

/* ARTICLE BODY */
.article-body{background:var(--white);border-radius:16px;padding:52px 56px;border:1px solid var(--border)}
.article-body p{font-size:17px;color:#2a3a4a;line-height:1.85;margin-bottom:22px}
.article-body p.lead{font-size:19px;color:var(--navy);line-height:1.75;margin-bottom:32px;font-weight:400;border-left:3px solid var(--green);padding-left:20px}
.article-body h2{font-size:clamp(22px,3vw,30px);color:var(--navy);margin:40px 0 16px}
.article-body h2:first-child{margin-top:0}
.article-body ul,.article-body ol{padding-left:0;list-style:none;margin-bottom:22px;display:flex;flex-direction:column;gap:10px}
.article-body ul li,.article-body ol li{display:flex;align-items:flex-start;gap:12px;font-size:16.5px;color:#2a3a4a;line-height:1.6}
.article-body ul li::before{content:'';width:8px;height:8px;border-radius:50%;background:var(--green);flex-shrink:0;margin-top:8px}
.article-body ol{counter-reset:ol-counter}
.article-body ol li::before{content:counter(ol-counter);counter-increment:ol-counter;width:24px;height:24px;border-radius:50%;background:var(--navy);color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-family:var(--font-body);font-weight:600}
.info-box{background:rgba(126,170,229,.08);border:1px solid rgba(126,170,229,.25);border-radius:10px;padding:20px 24px;margin:28px 0;font-size:15.5px;color:var(--navy);line-height:1.7}
.info-green{background:rgba(84,146,123,.08);border-color:rgba(84,146,123,.25)}
.article-cta{background:linear-gradient(160deg,var(--navy),#003666);border-radius:14px;padding:40px;margin:40px 0;text-align:center}
.article-cta h3{font-size:26px;color:#fff;margin-bottom:10px}
.article-cta p{font-size:16px;color:rgba(255,255,255,.65);margin-bottom:24px}
.btn-art-wa{display:inline-flex;align-items:center;gap:8px;background:var(--green);color:#fff;padding:13px 26px;border-radius:8px;font-size:15px;font-weight:600;transition:background .2s;margin-bottom:12px;font-family:var(--font-body)}
.btn-art-wa:hover{background:var(--green-dark)}
.btn-art-phone{display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.6);font-size:14px;padding:8px 16px;transition:color .2s;font-family:var(--font-body)}
.btn-art-phone:hover{color:#fff}
.author-box{background:var(--light);border-radius:12px;padding:28px;margin-top:40px;border:1px solid var(--border)}
.author-info{display:flex;align-items:center;gap:16px;margin-bottom:14px}
.author-avatar{width:52px;height:52px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:600;font-family:var(--font-body);flex-shrink:0}
.author-info strong{display:block;font-size:16px;color:var(--navy);font-family:var(--font-body)}
.author-info p{font-size:13.5px;color:var(--muted)}
.author-bio{font-size:14.5px;color:var(--muted);line-height:1.75}
.related-articles{margin-top:40px}
.related-articles h3{font-size:22px;color:var(--navy);margin-bottom:20px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related-card{background:var(--light);border:1px solid var(--border);border-radius:10px;padding:20px;transition:border-color .2s,transform .2s;display:block}
.related-card:hover{border-color:var(--green);transform:translateY(-2px)}
.related-cat{font-size:10.5px;text-transform:uppercase;letter-spacing:1.5px;color:var(--green);font-weight:600;display:block;margin-bottom:8px}
.related-card h4{font-size:15px;color:var(--navy);line-height:1.4}

/* SIDEBAR */
.article-sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:84px}
.sidebar-cta-box{background:linear-gradient(160deg,var(--navy),#003666);border-radius:14px;padding:28px;color:#fff}
.sidebar-cta-box h3{font-size:20px;color:#fff;margin-bottom:10px}
.sidebar-cta-box p{font-size:14px;color:rgba(255,255,255,.6);margin-bottom:20px}
.sidebar-topics{background:var(--white);border-radius:12px;padding:24px;border:1px solid var(--border)}
.sidebar-topics h4{font-size:12px;text-transform:uppercase;letter-spacing:2px;color:var(--green);font-weight:600;font-family:var(--font-body);margin-bottom:16px}
.sidebar-topics ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.sidebar-topics ul li a{font-size:14px;color:var(--muted);border-bottom:1px solid var(--border);padding-bottom:10px;display:block;transition:color .2s}
.sidebar-topics ul li:last-child a{border-bottom:none;padding-bottom:0}
.sidebar-topics ul li a:hover{color:var(--navy)}

/* FOOTER */
.site-footer{background:var(--navy-deep);padding:44px 0 28px}
.foot-simple{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;padding-bottom:24px;border-bottom:1px solid rgba(255,255,255,.07);margin-bottom:16px}

/* WA FLOAT */
.wa-float{position:fixed;bottom:26px;right:26px;z-index:99;width:56px;height:56px;background:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 24px rgba(37,211,102,.4);transition:transform .22s}
.wa-float:hover{transform:scale(1.1)}

@media(max-width:900px){
  .article-layout{grid-template-columns:1fr}
  .article-sidebar{display:none}
  .article-body{padding:32px 24px}
  .related-grid{grid-template-columns:1fr}
}
@media(max-width:560px){
  .nav-links{display:none}
  .art-meta{gap:6px;font-size:12px}
}