/* Dr. Luciano Arthur Ortodontia Blumenau — silo pages CSS */
:root{
  --azul-900:#0a3d62;--azul-700:#0a6cb1;--azul-500:#1e8bd1;
  --azul-100:#e6f2fa;--azul-50:#f4f9fd;--branco:#fff;
  --cinza-900:#1a2a3a;--cinza-700:#3d4f63;--cinza-500:#6b7d92;
  --cinza-200:#dfe6ee;--cinza-100:#f1f5f9;--verde:#1aa97c;
  --shadow-sm:0 2px 8px rgba(10,61,98,.06);
  --shadow:0 8px 30px rgba(10,61,98,.10);
  --radius:14px;--radius-lg:24px;--container:1080px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--cinza-900);background:#fff;line-height:1.65;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:var(--azul-700);text-decoration:none}
a:hover{color:var(--azul-900)}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:50px;font-weight:600;font-size:15px;transition:all .25s;cursor:pointer;border:0;text-decoration:none;white-space:nowrap}
.btn-primary{background:var(--azul-700);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--azul-900);color:#fff;transform:translateY(-2px)}
.btn-whats{background:var(--verde);color:#fff}
.btn-whats:hover{background:#16996f;color:#fff}
.btn-ghost{background:transparent;color:var(--azul-700);border:2px solid var(--azul-700)}
.btn-ghost:hover{background:var(--azul-700);color:#fff}

/* HEADER */
.topbar{background:var(--azul-900);color:#fff;font-size:13px;padding:8px 0}
.topbar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.topbar a{color:#fff;opacity:.9}
.topbar a:hover{opacity:1;color:#fff}
.topbar-info{display:flex;gap:18px;flex-wrap:wrap}
header.site{position:sticky;top:0;background:#fff;z-index:100;box-shadow:var(--shadow-sm)}
header.site .container{display:flex;align-items:center;justify-content:space-between;height:80px}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:18px;color:var(--azul-900)}
.logo-mark{width:46px;height:46px;background:var(--azul-700);color:#fff;border-radius:12px;display:grid;place-items:center;font-size:18px;font-weight:800}
.logo small{display:block;font-size:11px;color:var(--cinza-500);font-weight:500;letter-spacing:.5px;text-transform:uppercase}
nav.main ul{display:flex;list-style:none;gap:24px}
nav.main a{color:var(--cinza-700);font-weight:500;font-size:15px}
nav.main a:hover{color:var(--azul-700)}
.menu-toggle{display:none;background:transparent;border:0;cursor:pointer;padding:8px}
.menu-toggle span{display:block;width:26px;height:2px;background:var(--azul-900);margin:5px 0}

/* BREADCRUMB */
.breadcrumb{background:var(--azul-50);padding:14px 0;font-size:13px;color:var(--cinza-500)}
.breadcrumb a{color:var(--azul-700)}
.breadcrumb span[aria-current]{color:var(--cinza-900);font-weight:600}
.breadcrumb .sep{margin:0 8px;color:var(--cinza-200)}

/* HERO */
.silo-hero{background:linear-gradient(135deg,var(--azul-50),var(--azul-100));padding:70px 0 80px;position:relative;overflow:hidden}
.silo-hero::before{content:'';position:absolute;right:-180px;top:-180px;width:520px;height:520px;background:radial-gradient(circle,rgba(30,139,209,.15) 0%,transparent 70%);border-radius:50%}
.silo-hero .container{position:relative;display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:center}
.silo-hero .badge{display:inline-flex;align-items:center;gap:8px;background:#fff;padding:8px 16px;border-radius:50px;font-size:13px;font-weight:600;color:var(--azul-700);box-shadow:var(--shadow-sm);margin-bottom:18px}
.silo-hero h1{font-size:clamp(28px,3.8vw,42px);line-height:1.18;font-weight:800;color:var(--azul-900);letter-spacing:-.5px;margin-bottom:18px}
.silo-hero h1 span{color:var(--azul-700)}
.silo-hero p.lead{font-size:18px;color:var(--cinza-700);margin-bottom:28px}
.silo-hero .cta-row{display:flex;gap:14px;flex-wrap:wrap}
.silo-hero .stats{display:flex;gap:30px;margin-top:32px;flex-wrap:wrap}
.silo-hero .stats div{display:flex;flex-direction:column}
.silo-hero .stats strong{font-size:22px;color:var(--azul-900);font-weight:800}
.silo-hero .stats span{font-size:12px;color:var(--cinza-500)}
.hero-aside{background:#fff;border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow)}
.hero-aside .ic{width:80px;height:80px;border-radius:18px;background:var(--azul-100);color:var(--azul-700);display:grid;place-items:center;font-size:38px;margin-bottom:18px}
.hero-aside h3{color:var(--azul-900);margin-bottom:8px;font-size:20px}
.hero-aside p{color:var(--cinza-500);font-size:14px;margin-bottom:18px}
.hero-aside ul{list-style:none}
.hero-aside ul li{padding:8px 0;font-size:14px;color:var(--cinza-700);display:flex;gap:8px;border-bottom:1px solid var(--cinza-100)}
.hero-aside ul li::before{content:'✓';color:var(--verde);font-weight:800}
.hero-aside ul li:last-child{border:0}

/* CONTENT */
section.content{padding:80px 0}
section.content + section.content{padding-top:0}
.content-row{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
.content h2{font-size:clamp(24px,2.8vw,32px);font-weight:800;color:var(--azul-900);line-height:1.25;letter-spacing:-.3px;margin-bottom:18px}
.content h3{font-size:20px;color:var(--azul-900);font-weight:700;margin:24px 0 10px}
.content p{color:var(--cinza-700);margin-bottom:16px;font-size:16px}
.content ul:not(.creds):not(.bairros){padding-left:20px;margin-bottom:16px;color:var(--cinza-700)}
.content ul li{margin-bottom:8px}
.content strong{color:var(--azul-900)}
.eyebrow{color:var(--azul-700);font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px;display:block}

/* CARDS / GRID */
.cards-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px;margin:30px 0}
.card{background:#fff;border:1px solid var(--cinza-200);border-radius:var(--radius);padding:28px;transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.card .ic-mini{width:50px;height:50px;border-radius:12px;background:var(--azul-100);color:var(--azul-700);display:grid;place-items:center;font-size:22px;margin-bottom:14px}
.card h3{font-size:17px;color:var(--azul-900);margin-bottom:8px}
.card p{font-size:14px;color:var(--cinza-500);margin-bottom:0}

/* CALLOUT BOX */
.callout{background:var(--azul-50);border-left:4px solid var(--azul-700);padding:24px 28px;border-radius:0 var(--radius) var(--radius) 0;margin:24px 0}
.callout strong{display:block;color:var(--azul-900);margin-bottom:6px;font-size:15px}
.callout p{margin:0;font-size:15px;color:var(--cinza-700)}

/* CTA BANNER */
.cta-band{background:linear-gradient(135deg,var(--azul-900),var(--azul-700));color:#fff;padding:60px 0;text-align:center}
.cta-band h2{color:#fff;margin-bottom:12px;font-size:clamp(24px,3vw,32px);font-weight:800}
.cta-band p{color:rgba(255,255,255,.9);margin-bottom:26px;font-size:17px}
.cta-band .btn-primary{background:#fff;color:var(--azul-900)}
.cta-band .btn-primary:hover{background:var(--azul-100);color:var(--azul-900)}

/* FAQ */
.faq{background:var(--azul-50);padding:80px 0}
.faq h2{text-align:center;margin-bottom:36px}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:var(--radius);margin-bottom:12px;box-shadow:var(--shadow-sm);overflow:hidden}
.faq-q{width:100%;text-align:left;padding:20px 26px;background:transparent;border:0;font-family:inherit;font-size:16px;font-weight:600;color:var(--azul-900);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px}
.faq-q::after{content:'+';font-size:24px;color:var(--azul-700);font-weight:400;transition:.3s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:500px}
.faq-a p{padding:0 26px 22px;color:var(--cinza-700);font-size:15px}

/* RELATED (internal linking) */
.related{padding:70px 0;background:#fff;border-top:1px solid var(--cinza-100)}
.related h2{text-align:center;margin-bottom:36px;font-size:clamp(22px,2.6vw,28px);color:var(--azul-900);font-weight:800}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.related-card{background:#fff;border:1px solid var(--cinza-200);border-radius:var(--radius);padding:26px;transition:.25s;display:block}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--azul-500)}
.related-card .ic-mini{width:46px;height:46px;border-radius:10px;background:var(--azul-100);color:var(--azul-700);display:grid;place-items:center;font-size:20px;margin-bottom:12px}
.related-card h3{font-size:16px;color:var(--azul-900);margin-bottom:6px;font-weight:700}
.related-card p{font-size:13px;color:var(--cinza-500);margin:0}

/* FOOTER */
footer{background:var(--cinza-900);color:rgba(255,255,255,.75);padding:60px 0 24px;font-size:14px}
footer a{color:rgba(255,255,255,.75)}
footer a:hover{color:#fff}
.ft-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px}
footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
footer ul{list-style:none}
footer ul li{margin-bottom:8px}
.ft-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,.5)}
.ft-social{display:flex;gap:10px;margin-top:14px}
.ft-social a{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.08);display:grid;place-items:center}
.ft-social a:hover{background:var(--azul-700)}

/* WHATSAPP FLOAT */
.wa-float{position:fixed;bottom:24px;right:24px;width:60px;height:60px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;font-size:28px;box-shadow:0 8px 24px rgba(37,211,102,.4);z-index:99;transition:.3s}
.wa-float:hover{transform:scale(1.08);color:#fff}

/* A11Y */
.skip{position:absolute;left:-9999px;top:0;background:var(--azul-900);color:#fff;padding:10px 16px;z-index:200}
.skip:focus{left:10px;top:10px}

/* RESPONSIVE */
@media (max-width:900px){
  .silo-hero .container,.content-row{grid-template-columns:1fr;gap:36px}
  nav.main{display:none;position:absolute;top:80px;left:0;right:0;background:#fff;padding:18px 24px;box-shadow:var(--shadow)}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column;gap:14px}
  .menu-toggle{display:block}
  .topbar-info{font-size:12px;gap:12px}
  .ft-grid{grid-template-columns:1fr 1fr;gap:26px}
  section.content{padding:50px 0}
  .silo-hero{padding:40px 0 60px}
}
@media (max-width:520px){
  .ft-grid{grid-template-columns:1fr}
  .topbar-info span:first-child{display:none}
}