/* Dr. Valkercyo Feitosa — Nefrologista em Recife */
:root{
  --blue:#517DA4; --blue-700:#3B5F80; --blue-50:#EEF3F8; --blue-100:#DCE6F0;
  --ink:#0D131A; --text:#2B3138; --muted:#5B636D; --line:#E3E7EC;
  --bg:#FFFFFF; --bg-soft:#F5F7FA;
  --wa:#1FAF54; --wa-700:#178A42;
  --radius:14px; --shadow:0 6px 24px rgba(13,19,26,.08);
  --max:1160px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:"DM Sans",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;font-size:17px;line-height:1.65;color:var(--text);background:var(--bg)}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-700)}
a:hover{color:var(--ink)}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:6px}
h1,h2,h3{color:var(--ink);line-height:1.2;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.6vw,3.1rem)}
h2{font-size:clamp(1.55rem,3vw,2.15rem)}
h3{font-size:1.18rem}
p{margin:0 0 1em}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:100}
.skip:focus{left:12px;top:12px}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);margin-bottom:.6em}
.lead{font-size:1.12rem;color:var(--muted)}
.section{padding:72px 0}
.section.soft{background:var(--bg-soft)}
.section-head{max-width:720px;margin-bottom:36px}
.center{text-align:center;margin-left:auto;margin-right:auto}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55em;min-height:50px;padding:12px 24px;border-radius:999px;font-weight:700;font-size:1rem;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s,transform .2s;font-family:inherit}
.btn:hover{transform:translateY(-1px)}
.btn-wa{background:var(--wa);color:#fff}
.btn-wa:hover{background:var(--wa-700);color:#fff}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-700);color:#fff}
.btn-ghost{background:transparent;color:var(--blue-700);border-color:var(--blue-100)}
.btn-ghost:hover{border-color:var(--blue);color:var(--ink)}
.btn svg{width:20px;height:20px;flex:none}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:74px}
.brand img{height:60px;width:auto}
.nav{display:flex;align-items:center;gap:4px}
.nav a,.nav button.drop-btn{color:var(--ink);text-decoration:none;font-weight:500;font-size:.97rem;padding:10px 12px;border-radius:8px;background:none;border:0;font-family:inherit;cursor:pointer;display:inline-flex;align-items:center;gap:4px}
.nav a:hover,.nav button.drop-btn:hover,.nav a[aria-current="page"]{color:var(--blue-700);background:var(--blue-50)}
.dropdown{position:relative}
.drop-menu{position:absolute;top:100%;left:0;min-width:250px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;display:none}
.dropdown:hover .drop-menu,.dropdown.open .drop-menu{display:block}
.drop-menu a{display:block;padding:10px 12px}
.header-cta{display:flex;align-items:center;gap:8px}
.header-cta .btn{min-height:44px;padding:8px 18px;font-size:.95rem}
.menu-toggle{display:none;width:46px;height:46px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;align-items:center;justify-content:center}
.menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{display:block;width:20px;height:2px;background:var(--ink);position:relative;content:"";transition:.2s}
.menu-toggle span::before{position:absolute;top:-6px}
.menu-toggle span::after{position:absolute;top:6px}
.menu-open .menu-toggle span{background:transparent}
.menu-open .menu-toggle span::before{top:0;transform:rotate(45deg)}
.menu-open .menu-toggle span::after{top:0;transform:rotate(-45deg)}

@media (max-width:980px){
  .menu-toggle{display:inline-flex}
  .header-cta .btn span.hide-sm{display:none}
  .nav{position:fixed;inset:74px 0 auto 0;max-height:calc(100vh - 74px);overflow:auto;background:#fff;flex-direction:column;align-items:stretch;padding:12px 20px 24px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);display:none}
  .menu-open .nav{display:flex}
  .nav a,.nav button.drop-btn{padding:14px 10px;font-size:1.05rem;width:100%;justify-content:space-between}
  .drop-menu{position:static;display:block;box-shadow:none;border:0;padding:0 0 0 12px;min-width:0}
  .drop-menu a{font-size:1rem;color:var(--muted)}
}
@media (max-width:420px){.brand img{height:46px}.header-cta .btn{padding:8px 14px}}

/* Hero */
.hero{background:linear-gradient(180deg,var(--blue-50),#fff 80%);padding:56px 0 64px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero h1 span{display:block;color:var(--blue);font-size:.62em;margin-top:.35em;font-weight:600}
.hero .lead{max-width:560px;margin-bottom:22px}
.rating{display:flex;align-items:center;gap:10px;margin:0 0 26px;font-size:.92rem;color:var(--muted);font-weight:500}
.stars{color:#F2B01E;letter-spacing:2px;font-size:1.15rem}
.hero-photo{position:relative;justify-self:center;max-width:420px;width:100%}
.hero-photo img{border-radius:22px;box-shadow:0 20px 50px rgba(13,19,26,.16);aspect-ratio:4/5;object-fit:cover;object-position:center 22%;width:100%}
.hero-badge{position:absolute;left:-18px;bottom:28px;background:#fff;border-radius:14px;box-shadow:var(--shadow);padding:12px 16px;font-size:.88rem;line-height:1.35;max-width:220px}
.hero-badge strong{display:block;color:var(--ink);font-size:.95rem}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:30px;max-width:620px}
.fact{display:flex;gap:10px;align-items:flex-start;font-size:.92rem;line-height:1.4;color:var(--muted)}
.fact svg{width:22px;height:22px;flex:none;color:var(--blue);margin-top:1px}
.fact strong{color:var(--ink);display:block}
@media (max-width:860px){
  .hero{padding:32px 0 48px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-photo{max-width:340px;order:-1}
  .hero-photo img{aspect-ratio:1/1;object-position:center 18%}
  .hero .btn-row .btn{flex:1 1 100%}
  .hero-badge{left:auto;right:-6px;bottom:16px}
  .facts{grid-template-columns:1fr}
}

/* Cards */
.grid{display:grid;gap:20px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:980px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;transition:box-shadow .2s,border-color .2s,transform .2s}
.card p{color:var(--muted);font-size:.97rem}
a.card{text-decoration:none;color:inherit}
a.card:hover{box-shadow:var(--shadow);border-color:var(--blue-100);transform:translateY(-2px)}
.card .icon{width:48px;height:48px;border-radius:12px;background:var(--blue-50);color:var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.card .icon svg{width:26px;height:26px}
.card .more{margin-top:auto;font-weight:700;color:var(--blue-700);font-size:.95rem}

/* About */
.about-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:center}
.about-grid img{border-radius:20px;box-shadow:var(--shadow);aspect-ratio:4/5;object-fit:cover;object-position:74% center;width:100%;max-width:440px;justify-self:center}
@media (max-width:860px){.about-grid img{aspect-ratio:1/1;max-width:100%}}
.checklist{list-style:none;padding:0;margin:0 0 26px}
.checklist li{position:relative;padding:10px 0 10px 34px;border-bottom:1px solid var(--line)}
.checklist li:last-child{border-bottom:0}
.checklist li::before{content:"";position:absolute;left:0;top:14px;width:20px;height:20px;border-radius:50%;background:var(--blue-50) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23517DA4' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/12px no-repeat}
@media (max-width:860px){.about-grid{grid-template-columns:1fr;gap:28px}}

/* Schedule / location */
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch}
.info-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.sched{list-style:none;margin:0 0 20px;padding:0}
.sched li{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.sched li:last-child{border-bottom:0}
.sched b{color:var(--ink)}
.sched span{color:var(--muted)}
.map{border:0;width:100%;height:100%;min-height:320px;border-radius:var(--radius);background:var(--blue-50)}
.addr{display:flex;gap:16px;align-items:center;margin-bottom:18px}
.addr img{width:96px;height:72px;object-fit:cover;border-radius:10px;flex:none}
@media (max-width:860px){.info-grid{grid-template-columns:1fr}}

/* Reviews */
.review{margin:0;background:#fff;border-radius:var(--radius);padding:26px;border:1px solid var(--line);display:flex;flex-direction:column}
.review blockquote{margin:10px 0 18px;font-size:1.02rem;color:var(--text)}
.review cite{margin-top:auto;font-style:normal;font-weight:700;color:var(--ink)}
.review small{display:block;font-weight:400;color:var(--muted)}

/* FAQ */
.faq{max-width:820px}
.faq details{border:1px solid var(--line);border-radius:12px;background:#fff;margin-bottom:12px}
.faq summary{cursor:pointer;list-style:none;padding:18px 54px 18px 20px;font-weight:700;color:var(--ink);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--blue);font-weight:400}
.faq details[open] summary::after{content:"−"}
.faq details>div{padding:0 20px 18px;color:var(--muted)}

/* CTA band */
.cta-band{background:var(--ink);color:#C9D2DC;border-radius:24px;padding:48px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-band>div{flex:1 1 380px}.cta-band h2{color:#fff;margin-bottom:.3em}
.cta-band p{margin:0}
@media (max-width:640px){.cta-band{padding:32px 24px}}

/* Article pages */
.page-hero{background:linear-gradient(180deg,var(--blue-50),#fff);padding:52px 0 36px}
.breadcrumb{font-size:.88rem;color:var(--muted);margin-bottom:14px}
.breadcrumb a{color:var(--muted)}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start}
.prose{max-width:740px}
.prose h2{font-size:1.45rem;margin-top:1.8em}
.prose h2:first-child{margin-top:0}
.prose ul{padding-left:1.2em}
.prose li{margin-bottom:.4em}
.aside{position:sticky;top:96px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.aside h3{margin-bottom:.4em}
.aside p{font-size:.95rem;color:var(--muted)}
.aside .btn{width:100%;margin-top:6px}
.note{font-size:.88rem;color:var(--muted);border-left:3px solid var(--blue-100);padding-left:14px;margin-top:32px}
@media (max-width:980px){.article-grid{grid-template-columns:1fr}.aside{position:static}}

/* Form */
.form{display:grid;gap:16px}
.field label{display:block;font-weight:700;color:var(--ink);margin-bottom:6px;font-size:.95rem}
.field input,.field textarea{width:100%;font:inherit;font-size:1rem;padding:13px 14px;border:1.5px solid #CBD3DC;border-radius:10px;background:#fff;color:var(--ink)}
.field input:focus,.field textarea:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px var(--blue-100)}
.field textarea{min-height:130px;resize:vertical}
.field .err{color:#B42318;font-size:.88rem;margin-top:4px;display:none}
.field.invalid input,.field.invalid textarea{border-color:#B42318}
.field.invalid .err{display:block}
.hp{position:absolute;left:-9999px}
.form-ok{display:none;background:#ECFDF3;border:1px solid #ABEFC6;color:#05603A;border-radius:10px;padding:14px}

/* Footer */
.site-footer{background:#0D131A;color:#AAB4BF;padding:56px 0 28px;margin-top:0;font-size:.95rem}
.site-footer a{color:#DCE3EA;text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:32px;margin-bottom:36px}
.site-footer h3{color:#fff;font-size:1rem;margin-bottom:12px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:8px}
.footer-logo{background:#fff;border-radius:10px;padding:10px 12px;display:inline-block;margin-bottom:14px}
.footer-logo img{height:48px;width:auto}
.footer-bottom{border-top:1px solid #222B35;padding-top:20px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.86rem}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr}}

/* Floating WhatsApp */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:60;width:58px;height:58px;border-radius:50%;background:var(--wa);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(31,175,84,.45);transition:transform .2s}
.wa-float:hover{transform:scale(1.06);color:#fff}
.wa-float svg{width:30px;height:30px}

@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* ---- Conversão (v2) ---- */
.g-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 14px;text-decoration:none;color:var(--muted);font-size:.9rem;font-weight:500;line-height:1}
.g-badge b{color:var(--ink);font-size:1.05rem}
.g-badge .stars{font-size:1rem;letter-spacing:1px}
.g-badge:hover{border-color:var(--blue);color:var(--ink)}
.g-badge.lg{padding:12px 18px;font-size:.95rem}
.g-badge.lg b{font-size:1.5rem}
.reviews-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:32px}
.reviews-score{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.reviews-track{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start}
@media (max-width:860px){
  .reviews-track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:14px;margin:0 -20px;padding:0 20px 12px;scrollbar-width:thin}
  .reviews-track .review{flex:0 0 82%;scroll-snap-align:start}
}
.card-alt{background:var(--blue-50);border-color:var(--blue-100)}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:s}
.step{position:relative;padding:26px 24px;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}
.step p{color:var(--muted);margin:0}
.step-n{display:inline-flex;width:36px;height:36px;border-radius:50%;background:var(--blue);color:#fff;font-weight:700;align-items:center;justify-content:center;margin-bottom:14px}
@media (max-width:860px){.steps{grid-template-columns:1fr}}
.signals{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
.signal-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.signal-list a{display:flex;align-items:center;gap:10px;height:100%;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;text-decoration:none;color:var(--ink);font-weight:500;line-height:1.35}
.signal-list a::before{content:"";flex:none;width:10px;height:10px;border-radius:50%;background:var(--blue)}
.signal-list a:hover{border-color:var(--blue);background:var(--blue-50)}
@media (max-width:860px){.signals{grid-template-columns:1fr;gap:24px}}
@media (max-width:520px){.signal-list{grid-template-columns:1fr}}
.mobile-bar{display:none}
@media (max-width:760px){
  .wa-float{display:none}
  .mobile-bar{display:grid;grid-template-columns:1.4fr 1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(13,19,26,.08);padding:8px 10px calc(8px + env(safe-area-inset-bottom,0px));gap:8px}
  .mobile-bar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:52px;border-radius:12px;text-decoration:none;color:var(--ink);font-size:.82rem;font-weight:700}
  .mobile-bar a svg{width:22px;height:22px}
  .mobile-bar .mb-wa{background:var(--wa);color:#fff;flex-direction:row;gap:8px;font-size:1rem}
  body{padding-bottom:76px}
}

/* ---- Conteúdo / artigos ---- */
.art-card{padding:0;overflow:hidden}
.art-card>*:not(.art-thumb){margin-left:22px;margin-right:22px}
.art-card .more{margin-bottom:22px}
.art-thumb{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;margin-bottom:16px}
.art-thumb.ph{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--blue-50),var(--blue-100));color:var(--blue)}
.art-thumb.ph svg{width:56px;height:56px;opacity:.85}
.art-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.84rem;color:var(--muted);margin-bottom:8px}
.tag{display:inline-block;background:var(--blue-50);color:var(--blue-700);font-weight:700;font-size:.76rem;letter-spacing:.04em;text-transform:uppercase;padding:4px 9px;border-radius:999px}
.tag-draft{background:#FEF0C7;color:#93370D}
.byline{font-size:.92rem;color:var(--muted);margin:0}
.byline a{color:var(--blue-700)}
.draft-banner{background:#FEF0C7;color:#93370D;border:1px solid #FEDF89;border-radius:10px;padding:10px 14px;font-weight:700;font-size:.9rem;margin-bottom:18px}
.prose .destaque{background:var(--blue-50);border-left:4px solid var(--blue);padding:14px 18px;border-radius:0 10px 10px 0;color:var(--ink);font-weight:500}
.prose h3{margin-top:1.4em}
.art-hero-img{border-radius:16px;margin-bottom:28px;width:100%}