/* ============================================
   Dr. Washington Oliveira - Neurocirurgião em Salvador
   Stylesheet principal - Mobile First
   ============================================ */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Poppins',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  font-size:16px;line-height:1.6;color:#2a3b4f;background:#ffffff;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden
}
img{max-width:100%;height:auto;display:block}
a{color:#1a4b7a;text-decoration:none;transition:color .25s ease}
a:hover{color:#5ec5b7}
button{font-family:inherit;cursor:pointer;border:0;background:transparent}
h1,h2,h3,h4,h5,h6{font-family:'Poppins',sans-serif;color:#1a3a5e;font-weight:600;line-height:1.25;margin-bottom:.6em}
h1{font-size:38px}
h2{font-size:28px}
h3{font-size:22px}
h4{font-size:19px}
p{margin-bottom:1em}
ul,ol{padding-left:1.25rem;margin-bottom:1em}
:focus-visible{outline:3px solid #5ec5b7;outline-offset:2px;border-radius:4px}

/* Container */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ============================================
   HEADER
   ============================================ */
.site-header{
  position:sticky;top:0;z-index:100;background:#fff;
  box-shadow:0 2px 12px rgba(26,74,122,.08);
  transition:box-shadow .3s ease
}
.header-top{
  background:#1a3a5e;color:#fff;font-size:13px;
  padding:8px 0
}
.header-top .container{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;align-items:center}
.header-top a{color:#fff}
.header-top a:hover{color:#5ec5b7}
.header-top .top-item{display:inline-flex;align-items:center;gap:6px}
.header-top svg{width:14px;height:14px;flex-shrink:0}

.header-main{padding:14px 0}
.header-main .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.site-logo img{width:300px;max-width:100%;height:auto}

/* Navigation */
.main-nav{display:flex;align-items:center}
.nav-toggle{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:5px;border-radius:8px}
.nav-toggle span{display:block;width:26px;height:3px;background:#1a3a5e;border-radius:2px;transition:transform .3s ease,opacity .3s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

.nav-list{list-style:none;padding:0;margin:0;display:flex;gap:2px;align-items:center}
.nav-list>li{position:relative}
.nav-list>li>a,
.nav-list>li>button{
  display:inline-flex;align-items:center;gap:6px;
  padding:12px 14px;font-weight:500;color:#1a3a5e;font-size:15px;border-radius:6px
}
.nav-list>li>a:hover,
.nav-list>li>button:hover,
.nav-list>li.active>a{color:#5ec5b7;background:#f4f9fc}
.has-submenu>button .chevron{width:12px;height:12px;transition:transform .3s ease}
.has-submenu[aria-expanded="true"]>button .chevron{transform:rotate(180deg)}

.submenu{
  position:absolute;top:100%;left:0;min-width:280px;
  background:#fff;box-shadow:0 12px 32px rgba(26,74,122,.15);
  border-radius:8px;padding:8px;list-style:none;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .25s ease,visibility .25s ease,transform .25s ease;
  border-top:3px solid #5ec5b7
}
.has-submenu:hover>.submenu,
.has-submenu[aria-expanded="true"]>.submenu{opacity:1;visibility:visible;transform:translateY(0)}
.submenu li a{
  display:block;padding:10px 14px;font-size:14px;color:#2a3b4f;
  border-radius:6px
}
.submenu li a:hover{background:#f4f9fc;color:#1a4b7a;padding-left:18px}

.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;background:#25d366;color:#fff;
  font-weight:600;font-size:14px;border-radius:50px;
  box-shadow:0 4px 14px rgba(37,211,102,.35)
}
.header-cta:hover{background:#1fb556;color:#fff;transform:translateY(-2px)}
.header-cta svg{width:18px;height:18px}

/* ============================================
   HERO
   ============================================ */
.hero{
  position:relative;background:linear-gradient(135deg,#0f2f52 0%,#1a4b7a 55%,#2d6a99 100%);
  color:#fff;padding:70px 0 90px;overflow:hidden
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 20% 20%,rgba(94,197,183,.18),transparent 45%),
                   radial-gradient(circle at 85% 70%,rgba(74,144,200,.25),transparent 50%);
  pointer-events:none
}
.hero .container{position:relative;display:grid;grid-template-columns:1fr;gap:40px;align-items:center}
.hero-content{max-width:640px}
.hero .eyebrow{display:inline-block;background:rgba(94,197,183,.2);color:#a7ecdf;padding:6px 14px;border-radius:50px;font-size:13px;font-weight:500;margin-bottom:18px;letter-spacing:.5px;text-transform:uppercase}
.hero h1{color:#fff;font-size:38px;margin-bottom:18px}
.hero p.lead{font-size:17px;color:rgba(255,255,255,.9);margin-bottom:28px;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 28px;font-weight:600;border-radius:50px;
  font-size:15px;transition:transform .25s ease,box-shadow .25s ease
}
.btn-primary{background:#25d366;color:#fff;box-shadow:0 6px 20px rgba(37,211,102,.4)}
.btn-primary:hover{background:#1fb556;color:#fff;transform:translateY(-2px);box-shadow:0 10px 28px rgba(37,211,102,.5)}
.btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.6)}
.btn-outline:hover{background:#fff;color:#1a4b7a;border-color:#fff;transform:translateY(-2px)}
.btn svg{width:18px;height:18px}

.hero-img{position:relative;text-align:center}
.hero-img img{
  border-radius:20px;box-shadow:0 25px 60px rgba(0,0,0,.35);
  max-width:100%
}

/* ============================================
   SECTIONS
   ============================================ */
.section{padding:70px 0}
.section-alt{background:#f4f9fc}
.section-header{text-align:center;max-width:760px;margin:0 auto 46px}
.section-header .eyebrow{display:inline-block;color:#5ec5b7;font-size:13px;font-weight:600;letter-spacing:1.2px;text-transform:uppercase;margin-bottom:10px}
.section-header h2{margin-bottom:14px}
.section-header p{color:#5c6b7f;font-size:16px}

/* ============================================
   SERVICES GRID
   ============================================ */
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.service-card{
  background:#fff;border:1px solid #e6eef5;border-radius:14px;
  padding:26px 22px;text-align:center;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  display:flex;flex-direction:column;align-items:center;gap:12px;
  color:#2a3b4f;height:100%
}
.service-card:hover{
  transform:translateY(-5px);border-color:#5ec5b7;
  box-shadow:0 15px 40px rgba(26,74,122,.12);color:#2a3b4f
}
.service-icon{
  width:64px;height:64px;border-radius:16px;
  background:linear-gradient(135deg,#e8f4f2 0%,#d3ecff 100%);
  display:flex;align-items:center;justify-content:center;color:#1a4b7a;
  flex-shrink:0
}
.service-icon svg{width:34px;height:34px}
.service-card h3{font-size:16px;margin:0;color:#1a3a5e;line-height:1.35}
.service-card .service-link{margin-top:auto;font-size:13px;color:#5ec5b7;font-weight:600;letter-spacing:.4px;text-transform:uppercase}

/* ============================================
   ABOUT / SOBRE
   ============================================ */
.about-block{display:grid;grid-template-columns:1fr;gap:44px;align-items:center}
.about-img img{border-radius:20px;box-shadow:0 20px 50px rgba(26,74,122,.15)}
.about-text .badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.badge{
  display:inline-block;padding:5px 12px;font-size:12px;font-weight:600;
  background:#e8f4f2;color:#1a4b7a;border-radius:50px;letter-spacing:.4px
}
.about-text ul{list-style:none;padding:0}
.about-text ul li{position:relative;padding-left:28px;margin-bottom:10px;color:#4a5a70}
.about-text ul li::before{
  content:"";position:absolute;left:0;top:8px;width:18px;height:18px;
  background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235ec5b7' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/contain no-repeat
}

/* ============================================
   DIFFERENTIALS
   ============================================ */
.differentials-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.diff-card{
  background:#fff;border-radius:14px;padding:28px 22px;text-align:center;
  border:1px solid #e6eef5;transition:transform .3s ease,box-shadow .3s ease
}
.diff-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(26,74,122,.1)}
.diff-icon{
  width:70px;height:70px;margin:0 auto 16px;border-radius:50%;
  background:linear-gradient(135deg,#1a4b7a 0%,#5ec5b7 100%);
  display:flex;align-items:center;justify-content:center;color:#fff
}
.diff-icon svg{width:34px;height:34px}
.diff-card h3{font-size:17px;margin-bottom:10px}
.diff-card p{font-size:14px;color:#5c6b7f;margin:0}

/* ============================================
   LOCAIS DE ATENDIMENTO
   ============================================ */
.locais-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.local-card{
  background:#fff;border:1px solid #d5e5f0;border-radius:16px;overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease
}
.local-card:hover{transform:translateY(-4px);box-shadow:0 15px 40px rgba(26,74,122,.15)}
.local-card .local-img{aspect-ratio:16/9;overflow:hidden;background:#e8f0f7}
.local-card .local-img img{width:100%;height:100%;object-fit:cover}
.local-info{padding:22px 24px}
.local-info h3{font-size:19px;color:#1a3a5e;margin-bottom:14px}
.local-info ul{list-style:none;padding:0;margin:0}
.local-info li{
  display:flex;gap:10px;padding:10px 0;font-size:14.5px;color:#4a5a70;
  border-bottom:1px solid #eaf2f8
}
.local-info li:last-child{border-bottom:0}
.local-info li svg{width:18px;height:18px;flex-shrink:0;color:#5ec5b7;margin-top:2px}
.local-info a{color:#4a5a70}
.local-info a:hover{color:#1a4b7a}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.testimonial-card{
  background:#fff;border-radius:16px;padding:28px 24px;
  box-shadow:0 6px 20px rgba(26,74,122,.06);border:1px solid #eaf2f8;
  position:relative
}
.testimonial-card::before{
  content:"\201C";position:absolute;top:-10px;left:22px;
  font-size:70px;line-height:1;color:#5ec5b7;font-family:Georgia,serif
}
.testimonial-card .stars{color:#f5b83d;margin-bottom:10px;font-size:16px}
.testimonial-card p.text{color:#4a5a70;font-style:italic;margin-bottom:16px;font-size:14.5px}
.testimonial-author{display:flex;align-items:center;gap:12px}
.testimonial-author .avatar{
  width:44px;height:44px;border-radius:50%;
  background:linear-gradient(135deg,#5ec5b7 0%,#1a4b7a 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600
}
.testimonial-author strong{display:block;color:#1a3a5e;font-size:15px}
.testimonial-author small{color:#8395a8;font-size:12.5px}

/* ============================================
   AFFILIATIONS
   ============================================ */
.affiliations{display:flex;flex-wrap:wrap;gap:24px;justify-content:center;align-items:center}
.affiliations img{
  max-height:80px;width:auto;filter:grayscale(35%);opacity:.85;
  transition:filter .3s ease,opacity .3s ease
}
.affiliations img:hover{filter:none;opacity:1}

/* ============================================
   FAQ
   ============================================ */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{
  border:1px solid #e6eef5;border-radius:12px;margin-bottom:14px;
  background:#fff;overflow:hidden
}
.faq-item summary{
  padding:18px 22px;font-weight:600;color:#1a3a5e;cursor:pointer;
  list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:15.5px
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:24px;color:#5ec5b7;transition:transform .3s ease;
  line-height:1
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-answer{padding:0 22px 18px;color:#4a5a70;font-size:14.5px}

/* ============================================
   CTA STRIP
   ============================================ */
.cta-strip{
  background:linear-gradient(135deg,#1a4b7a 0%,#5ec5b7 100%);
  color:#fff;padding:60px 0;text-align:center
}
.cta-strip h2{color:#fff;margin-bottom:12px}
.cta-strip p{color:rgba(255,255,255,.92);max-width:640px;margin:0 auto 24px}
.cta-strip .btn-primary{background:#fff;color:#1a4b7a;box-shadow:none}
.cta-strip .btn-primary:hover{background:#e8f4f2;color:#1a4b7a}

/* ============================================
   BREADCRUMB
   ============================================ */
.breadcrumb{background:#f4f9fc;padding:16px 0;border-bottom:1px solid #eaf2f8}
.breadcrumb ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:#5c6b7f}
.breadcrumb li+li::before{content:"›";margin-right:8px;color:#5ec5b7}
.breadcrumb a{color:#1a4b7a;font-weight:500}

/* ============================================
   PAGE HEAD (interior page hero)
   ============================================ */
.page-head{
  background:linear-gradient(135deg,#0f2f52 0%,#1a4b7a 100%);
  color:#fff;padding:60px 0;text-align:center
}
.page-head h1{color:#fff;margin-bottom:8px}
.page-head p{color:rgba(255,255,255,.9);max-width:680px;margin:0 auto}

/* ============================================
   ARTICLE / PAGE CONTENT
   ============================================ */
.article{padding:60px 0}
.article-grid{display:grid;grid-template-columns:1fr;gap:40px}
.article-content h2{margin-top:30px;color:#1a3a5e;padding-bottom:10px;border-bottom:2px solid #eaf2f8}
.article-content h3{margin-top:22px;color:#1a4b7a;font-size:20px}
.article-content p{color:#4a5a70;font-size:15.5px;line-height:1.75}
.article-content ul{color:#4a5a70;font-size:15.5px;line-height:1.85}
.article-content a{color:#1a4b7a;text-decoration:underline;text-underline-offset:3px}
.article-content .highlight-box{
  background:#f4f9fc;border-left:4px solid #5ec5b7;padding:20px 24px;border-radius:8px;margin:24px 0
}

.article-aside{position:sticky;top:120px}
.aside-card{
  background:#fff;border:1px solid #e6eef5;border-radius:14px;
  padding:24px;box-shadow:0 6px 24px rgba(26,74,122,.06);margin-bottom:20px
}
.aside-card h3{font-size:17px;color:#1a3a5e;margin-bottom:14px}
.aside-card ul{list-style:none;padding:0;margin:0}
.aside-card ul li{padding:10px 0;border-bottom:1px solid #eaf2f8;font-size:14px}
.aside-card ul li:last-child{border-bottom:0}
.aside-card ul li a{color:#4a5a70}
.aside-card ul li a:hover{color:#5ec5b7}

/* ============================================
   FOOTER
   ============================================ */
.site-footer{background:#0f2f52;color:#c6d5e6;padding:60px 0 0;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer-col h4::after{
  content:"";position:absolute;left:0;bottom:0;width:36px;height:3px;
  background:#5ec5b7;border-radius:2px
}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col ul li{margin-bottom:8px}
.footer-col a{color:#c6d5e6}
.footer-col a:hover{color:#5ec5b7}
.footer-col p{margin-bottom:10px;color:#a3b8ce}
.footer-logo{background:#fff;padding:12px 16px;border-radius:10px;display:inline-block;margin-bottom:16px}
.footer-logo img{width:220px;height:auto}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);margin-top:44px;
  padding:20px 0;text-align:center;font-size:13px;color:#8ea6bf
}
.footer-social{display:flex;gap:10px;margin-top:12px}
.footer-social a{
  width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.08);
  display:inline-flex;align-items:center;justify-content:center;color:#fff
}
.footer-social a:hover{background:#5ec5b7;color:#fff}
.footer-social svg{width:18px;height:18px}

/* ============================================
   FLOATING WA BUTTON
   ============================================ */
.wa-float{
  position:fixed;bottom:22px;right:22px;z-index:1000;
  width:60px;height:60px;border-radius:50%;
  background:#25d366;color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 28px rgba(37,211,102,.5);
  transition:transform .3s ease
}
.wa-float:hover{transform:scale(1.08);color:#fff}
.wa-float svg{width:32px;height:32px}
.wa-float::after{
  content:"";position:absolute;inset:-4px;border-radius:50%;
  border:3px solid rgba(37,211,102,.35);animation:pulse 2s infinite
}
@keyframes pulse{
  0%{transform:scale(1);opacity:1}
  100%{transform:scale(1.35);opacity:0}
}

/* ============================================
   COOKIE BANNER
   ============================================ */
.cookie-banner{
  position:fixed;bottom:20px;left:20px;right:100px;z-index:999;
  background:#0f2f52;color:#fff;padding:16px 20px;border-radius:14px;
  display:none;align-items:center;gap:18px;flex-wrap:wrap;
  box-shadow:0 12px 40px rgba(0,0,0,.35);max-width:640px
}
.cookie-banner.show{display:flex}
.cookie-banner p{margin:0;font-size:13.5px;flex:1 1 240px;color:#d5e5f0}
.cookie-banner a{color:#5ec5b7;text-decoration:underline}
.cookie-banner button{
  background:#5ec5b7;color:#0f2f52;font-weight:600;padding:9px 20px;
  border-radius:50px;font-size:13px
}
.cookie-banner button:hover{background:#fff}

/* ============================================
   404
   ============================================ */
.error-404{padding:100px 20px;text-align:center;background:#f4f9fc;min-height:60vh;display:flex;flex-direction:column;justify-content:center}
.error-404 .code{font-size:120px;font-weight:700;color:#1a4b7a;line-height:1;margin-bottom:16px;background:linear-gradient(135deg,#1a4b7a,#5ec5b7);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* ============================================
   RESPONSIVE - Tablet
   ============================================ */
@media (min-width:768px){
  .about-block{grid-template-columns:1fr 1fr}
  .hero .container{grid-template-columns:1.15fr .85fr}
  .article-grid{grid-template-columns:2.2fr 1fr}
}

/* ============================================
   RESPONSIVE - Mobile
   ============================================ */
@media (max-width:960px){
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .differentials-grid{grid-template-columns:repeat(2,1fr)}
  .testimonials-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .locais-grid{grid-template-columns:1fr}

  .nav-toggle{display:flex}
  .nav-list{
    position:fixed;top:0;right:-100%;width:85%;max-width:340px;height:100vh;
    background:#fff;flex-direction:column;padding:80px 20px 30px;
    box-shadow:-8px 0 30px rgba(0,0,0,.15);overflow-y:auto;
    align-items:stretch;gap:2px;transition:right .35s ease
  }
  .nav-list.open{right:0}
  .nav-list>li{width:100%}
  .nav-list>li>a,.nav-list>li>button{width:100%;justify-content:space-between;padding:14px 12px;font-size:16px}
  .submenu{
    position:static;opacity:1;visibility:visible;transform:none;
    box-shadow:none;border-top:0;padding:0 0 8px 12px;min-width:0;
    max-height:0;overflow:hidden;transition:max-height .3s ease
  }
  .has-submenu[aria-expanded="true"]>.submenu{max-height:800px}
  .header-cta{display:none}
  .nav-list .header-cta-mobile{
    display:inline-flex;margin-top:20px;justify-content:center;
    background:#25d366;color:#fff;padding:12px 20px;border-radius:50px;font-weight:600
  }

  /* MOBILE LOGO: centered at 50% */
  .header-main .container{flex-wrap:wrap;justify-content:center;position:relative}
  .site-logo{order:2;flex:1 1 100%;text-align:center;padding:6px 0}
  .site-logo img{width:50vw;max-width:220px;margin:0 auto}
  .nav-toggle{order:1;position:absolute;left:16px;top:50%;transform:translateY(-50%)}

  .hero{padding:50px 0 60px}
  .hero h1{font-size:30px}
  h1{font-size:30px}
  h2{font-size:24px}
  .section{padding:50px 0}

  .cookie-banner{left:12px;right:12px;bottom:100px}
  .wa-float{width:54px;height:54px;bottom:16px;right:16px}
  .wa-float svg{width:28px;height:28px}
}

@media (max-width:480px){
  .services-grid{grid-template-columns:1fr}
  .differentials-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero h1{font-size:26px}
  .header-top{font-size:12px}
  .header-top .container{gap:10px}
}

/* Print */
@media print{
  .site-header,.wa-float,.cookie-banner,.site-footer{display:none}
}