/* =========================================================================
   invisalignsantos.com.br
   Sistema visual: claro, clínico, tipografia grande e apertada, linhas finas.
   Sem Tailwind em runtime e sem JS de terceiro: tudo estático, para o LCP
   ficar baixo. Fontes auto-hospedadas em /fontes.
   ========================================================================= */

:root {
  /* neutros */
  --s900: #0f172a;
  --s800: #1e293b;
  --s700: #334155;
  --s600: #475569;
  --s500: #64748b;
  --s400: #94a3b8;
  --s300: #cbd5e1;
  --s200: #e2e8f0;
  --s100: #f1f5f9;
  --s50:  #f8fafc;
  --branco: #ffffff;

  /* acento */
  --t700: #0f766e;
  --t600: #0d9488;
  --t500: #14b8a6;
  --t100: #ccfbf1;
  --t50:  #f0fdfa;
  --feixe: #0ea5e9;
  --zap:   #12833f;

  --linha: rgba(15, 23, 42, .06);
  --raio: 4px;
  --raio-g: 16px;
  --sombra-s: 0 1px 2px rgba(15, 23, 42, .04);
  --sombra-m: 0 4px 24px rgba(15, 23, 42, .06);
  --sombra-g: 0 24px 60px -20px rgba(15, 23, 42, .18);

  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --titulo: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
  --largura: 1200px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--branco);
  color: var(--s600);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--t700); text-underline-offset: 3px; }
a:hover { color: var(--t600); }

h1, h2, h3, h4 {
  font-family: var(--titulo);
  color: var(--s900);
  letter-spacing: -.025em;
  font-weight: 600;
  margin: 0;
}
h1 { font-size: clamp(2.5rem, 6vw, 4.25rem); line-height: 1.02; font-weight: 600; }
h2 { font-size: clamp(1.85rem, 3.8vw, 3rem); line-height: 1.08; }
h3 { font-size: clamp(1.1rem, 1.9vw, 1.28rem); line-height: 1.3; }
h4 { font-size: 1rem; line-height: 1.4; }
p { margin: 0 0 1.15rem; }

.wrap { max-width: var(--largura); margin: 0 auto; padding: 0 24px; }
.estreito { max-width: 760px; }
.centro { text-align: center; margin-left: auto; margin-right: auto; }

.pular { position: absolute; left: -9999px; background: var(--s900); color: #fff; padding: 12px 18px; z-index: 99; }
.pular:focus { left: 12px; top: 12px; }

/* ------------------------------------------------------------- cabeçalho -- */
.topo {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--s100);
}
.topo-int { display: flex; align-items: center; gap: 20px; min-height: 74px; }
.marca { display: flex; align-items: center; gap: 11px; text-decoration: none; }
.marca-sigla {
  width: 38px; height: 38px; border-radius: 10px; flex: 0 0 38px;
  background: var(--s900); color: #fff; display: grid; place-items: center;
  font-family: var(--titulo); font-weight: 700; font-size: .82rem; letter-spacing: .02em;
}
.marca-txt { display: flex; flex-direction: column; line-height: 1.15; }
.marca-txt b { font-family: var(--titulo); font-size: .97rem; color: var(--s900); font-weight: 600; letter-spacing: -.015em; }
.marca-txt span { font-size: .69rem; color: var(--s500); letter-spacing: .09em; text-transform: uppercase; font-weight: 500; }

.nav { margin-left: auto; display: flex; gap: 4px; align-items: center; }
.nav a {
  color: var(--s600); text-decoration: none; font-size: .88rem; font-weight: 500;
  padding: 8px 12px; border-radius: 8px; transition: color .15s, background .15s;
}
.nav a:hover { color: var(--s900); background: var(--s50); }
.nav a[aria-current="page"] { color: var(--s900); }
.topo-cta { margin-left: 10px; }
.nav-abre {
  display: none; margin-left: auto; background: var(--branco); cursor: pointer;
  border: 1px solid var(--s200); border-radius: 10px; padding: 9px 13px;
  font: inherit; font-size: .85rem; font-weight: 500; color: var(--s700);
}

@media (max-width: 1020px) {
  .nav { display: none; }
  .nav-abre { display: block; }
  .topo.aberto .nav {
    display: flex; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--branco); border-bottom: 1px solid var(--s200);
    padding: 10px 24px 20px; box-shadow: var(--sombra-m);
  }
  .topo.aberto .nav a { padding: 13px 0; border-bottom: 1px solid var(--s100); border-radius: 0; }
  .topo-cta { margin: 14px 0 0; }
}

/* ----------------------------------------------------------------- botão -- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  background: var(--s900); color: #fff !important; text-decoration: none;
  padding: 13px 24px; border-radius: 999px; font-weight: 600; font-size: .92rem;
  border: 1px solid var(--s900); letter-spacing: -.01em; white-space: nowrap;
  transition: background .18s ease, transform .18s ease, box-shadow .18s ease;
}
.btn:hover { background: var(--s800); color: #fff !important; transform: translateY(-1px); box-shadow: var(--sombra-m); }
.btn.linha { background: transparent; color: var(--s900) !important; border-color: var(--s200); }
.btn.linha:hover { background: var(--s50); border-color: var(--s300); box-shadow: none; }
.btn.teal { background: var(--t600); border-color: var(--t600); }
.btn.teal:hover { background: var(--t700); }
.btn.claro { background: #fff; color: var(--s900) !important; border-color: #fff; }
.btn.claro:hover { background: var(--s100); }
.btn.pequeno { padding: 9px 17px; font-size: .84rem; }
.btns { display: flex; flex-wrap: wrap; gap: 12px; }

/* -------------------------------------------------------------- etiquetas -- */
.selo {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .7rem; font-weight: 600; text-transform: uppercase; letter-spacing: .12em;
  color: var(--t700); background: var(--t50); border: 1px solid var(--t100);
  padding: 7px 14px; border-radius: 999px;
}
.selo::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--t500); }
.rotulo {
  font-size: .69rem; font-weight: 600; text-transform: uppercase; letter-spacing: .14em;
  color: var(--s500); margin-bottom: 18px; display: block;
}

/* ------------------------------------------------------------------ hero -- */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--s100); background: var(--branco); }
.hero .wrap { position: relative; z-index: 2; padding-top: clamp(48px, 7vw, 88px); padding-bottom: clamp(48px, 7vw, 88px); }
.hero-grade { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
@media (max-width: 940px) { .hero-grade { grid-template-columns: 1fr; } }

.hero h1 { margin: 22px 0 0; }
.hero h1 .fina { display: block; color: #7d8da3; font-weight: 500; }
.hero-sub { font-size: 1.12rem; color: var(--s500); max-width: 48ch; margin: 22px 0 30px; line-height: 1.62; }
.hero .btns { margin-bottom: 34px; }

/* linhas de grade e feixe, herdados do sistema do template */
.linhas { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.linha-v { position: absolute; top: 0; bottom: 0; width: 1px; background: var(--linha); }
.linha-h { position: absolute; left: 0; right: 0; height: 1px; background: var(--linha); }
.feixe-h {
  position: absolute; height: 1px; width: 220px; z-index: 1; opacity: 0;
  background: linear-gradient(90deg, transparent, var(--feixe), transparent);
  animation: feixe-h 7s linear infinite;
}
@keyframes feixe-h {
  0% { left: -220px; opacity: 0; } 12% { opacity: .9; } 88% { opacity: .9; } 100% { left: 100%; opacity: 0; }
}
@media (prefers-reduced-motion: reduce) { .feixe-h { display: none; } }

.provas {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  border-top: 1px solid var(--s100); padding-top: 26px; max-width: 560px;
}
.prova { padding-right: 18px; border-right: 1px solid var(--s100); }
.prova:last-child { border-right: 0; padding-right: 0; }
.prova b {
  display: block; font-family: var(--titulo); font-size: clamp(1.2rem, 2.1vw, 1.72rem);
  color: var(--s900); line-height: 1.05; letter-spacing: -.035em; font-weight: 600;
  white-space: nowrap;
}
.prova span { display: block; font-size: .76rem; color: var(--s500); margin-top: 4px; line-height: 1.35; }
@media (max-width: 600px) {
  .provas { grid-template-columns: 1fr 1fr; gap: 18px 0; }
  .prova { padding-right: 14px; }
  .prova:nth-child(2n) { border-right: 0; padding-right: 0; }
  .prova b { white-space: normal; font-size: 1.15rem; }
}

/* --------------------------------------------------------------- figuras -- */
.figura { position: relative; border-radius: var(--raio-g); overflow: hidden; background: var(--s100); }
.figura img { width: 100%; }
.figura.alta { aspect-ratio: 4 / 5; }
.figura.alta img { height: 100%; object-fit: cover; }
.figura-legenda {
  position: absolute; left: 16px; bottom: 16px; right: 16px;
  background: rgba(255, 255, 255, .93); backdrop-filter: blur(8px);
  border: 1px solid var(--s200); border-radius: 12px; padding: 13px 16px;
  font-size: .82rem; color: var(--s600); line-height: 1.45;
}
.figura-legenda b { color: var(--s900); font-family: var(--titulo); display: block; font-size: .9rem; }
.figura-legenda.com-avatar { display: flex; align-items: center; gap: 13px; }
.figura-legenda .avatar,
.figura-legenda .avatar-sigla {
  width: 52px; height: 52px; border-radius: 50%; flex: 0 0 52px; object-fit: cover;
  border: 2px solid #fff; box-shadow: 0 2px 8px rgba(15, 23, 42, .18);
}
.figura-legenda .avatar-sigla {
  background: var(--s900); color: #fff; display: grid; place-items: center;
  font-family: var(--titulo); font-weight: 700; font-size: .95rem;
}

/* o retrato tem 424 px de origem: nao passa disso para nao borrar */
.figura.retrato { max-width: 424px; }
.figura.retrato img { width: 100%; }
@media (max-width: 900px) { .figura.retrato { margin: 0 auto; } }

.retrato-vazio {
  aspect-ratio: 4 / 5; border-radius: var(--raio-g); border: 1px dashed var(--s300);
  background: linear-gradient(160deg, var(--s50), var(--branco));
  display: grid; place-items: center; text-align: center; padding: 30px;
}
.retrato-vazio .mono {
  width: 92px; height: 92px; border-radius: 50%; background: var(--s900); color: #fff;
  display: grid; place-items: center; font-family: var(--titulo); font-size: 1.9rem;
  font-weight: 600; margin: 0 auto 18px;
}
.retrato-vazio p { font-size: .84rem; color: var(--s500); margin: 0; }

/* ---------------------------------------------------------------- seções -- */
.secao { padding: clamp(56px, 8vw, 108px) 0; position: relative; }
.secao.clara { background: var(--s50); border-top: 1px solid var(--s100); border-bottom: 1px solid var(--s100); }
.secao.escura { background: var(--s900); }
.secao.escura h2, .secao.escura h3 { color: #fff; }
.secao.escura p { color: var(--s400); }
.secao.escura .rotulo { color: var(--s500); }

.cabeca-secao { max-width: 700px; margin-bottom: clamp(32px, 4vw, 56px); }
.cabeca-secao p { font-size: 1.06rem; color: var(--s500); margin-top: 18px; }
.cabeca-secao.centro { margin-left: auto; margin-right: auto; }

/* ----------------------------------------------------------------- dupla -- */
.dupla { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.dupla.invertida > :first-child { order: 2; }
.dupla h2 { margin-bottom: 18px; }
.dupla .rotulo + h2 { margin-top: 0; }
@media (max-width: 900px) {
  .dupla { grid-template-columns: 1fr; }
  .dupla.invertida > :first-child { order: 0; }
}

/* ----------------------------------------------------------------- cards -- */
.grade { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(272px, 1fr)); }
.grade.tres { grid-template-columns: repeat(auto-fit, minmax(336px, 1fr)); }
.card {
  background: var(--branco); border: 1px solid var(--s200); border-radius: 14px;
  padding: 28px 26px; transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.card:hover { border-color: var(--s300); box-shadow: var(--sombra-m); transform: translateY(-2px); }
.card h3 { margin-bottom: 10px; }
.card p { font-size: .94rem; margin-bottom: 0; color: var(--s500); }
.card .ico {
  width: 42px; height: 42px; border-radius: 11px; background: var(--t50);
  border: 1px solid var(--t100); display: grid; place-items: center; margin-bottom: 18px;
}
.card .ico svg { width: 21px; height: 21px; stroke: var(--t700); fill: none; stroke-width: 1.6; }

/* --------------------------------------------------------------- passos -- */
.passos { counter-reset: passo; display: grid; gap: 0; }
.passo {
  display: grid; grid-template-columns: 78px 1fr; gap: 26px;
  padding: 30px 0; border-top: 1px solid var(--s200);
}
.passo:last-child { border-bottom: 1px solid var(--s200); }
.passo-num {
  counter-increment: passo; font-family: var(--titulo); font-size: .78rem; font-weight: 600;
  color: var(--t600); letter-spacing: .1em; padding-top: 6px;
}
.passo-num::before { content: "0" counter(passo); }
.passo h3 { margin-bottom: 9px; }
.passo p { margin-bottom: 0; font-size: .96rem; }
@media (max-width: 640px) { .passo { grid-template-columns: 1fr; gap: 8px; } }

/* ------------------------------------------------------------ comparação -- */
.compara { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 820px) { .compara { grid-template-columns: 1fr; } }
.coluna-comp { border: 1px solid var(--s200); border-radius: 14px; overflow: hidden; background: var(--branco); }
.coluna-comp.destaque { border-color: var(--t500); box-shadow: 0 0 0 3px var(--t50); }
.comp-topo { padding: 24px 26px; border-bottom: 1px solid var(--s100); }
.coluna-comp.destaque .comp-topo { background: var(--t50); }
.comp-topo h3 { margin-bottom: 6px; }
.comp-topo span { font-size: .82rem; color: var(--s500); }
.comp-lista { list-style: none; margin: 0; padding: 8px 26px 26px; }
.comp-lista li { position: relative; padding: 11px 0 11px 28px; font-size: .93rem; border-bottom: 1px solid var(--s100); }
.comp-lista li:last-child { border-bottom: 0; }
.comp-lista li::before {
  content: ""; position: absolute; left: 0; top: 1.28em; width: 14px; height: 14px;
  border-radius: 50%; background: var(--t50); border: 1px solid var(--t100);
}
.comp-lista li::after {
  content: ""; position: absolute; left: 4px; top: 1.52em; width: 6px; height: 3px;
  border-left: 1.6px solid var(--t600); border-bottom: 1.6px solid var(--t600);
  transform: rotate(-45deg);
}
.comp-lista.neutra li::before { background: var(--s100); border-color: var(--s200); }
.comp-lista.neutra li::after { border-color: var(--s400); }

/* ressalva: nao e beneficio, entao nao leva visto */
.comp-lista li.ressalva { color: var(--s500); }
.comp-lista li.ressalva::before { background: transparent; border-color: var(--s300); }
.comp-lista li.ressalva::after {
  left: 3.5px; top: 1.72em; width: 7px; height: 0;
  border-left: 0; border-bottom: 1.6px solid var(--s400); transform: none;
}

/* -------------------------------------------------------------- listinha -- */
.lista-limpa { list-style: none; padding: 0; margin: 0 0 1.2rem; }
.lista-limpa li { position: relative; padding-left: 26px; margin-bottom: .72rem; }
.lista-limpa li::before {
  content: ""; position: absolute; left: 4px; top: .68em; width: 7px; height: 7px;
  border-radius: 50%; background: var(--t500);
}

/* ------------------------------------------------------------------- faq -- */
.faq details {
  border-bottom: 1px solid var(--s200); padding: 22px 0;
}
.faq details:first-of-type { border-top: 1px solid var(--s200); }
.faq summary {
  cursor: pointer; list-style: none; display: flex; gap: 18px; align-items: flex-start;
  font-family: var(--titulo); font-weight: 600; font-size: 1.06rem; color: var(--s900);
  letter-spacing: -.015em; line-height: 1.4;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; margin-left: auto; flex: 0 0 12px; width: 12px; height: 12px; margin-top: 7px;
  border-right: 1.8px solid var(--s400); border-bottom: 1.8px solid var(--s400);
  transform: rotate(45deg); transition: transform .2s ease;
}
.faq details[open] summary::after { transform: rotate(-135deg); }
.faq details[open] summary { margin-bottom: 14px; }
.faq p { margin: 0 0 .6rem; color: var(--s500); font-size: .97rem; max-width: 80ch; }

/* ----------------------------------------------------------------- posts -- */
.posts { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(296px, 1fr)); }
.post {
  background: var(--branco); border: 1px solid var(--s200); border-radius: 14px;
  padding: 26px; display: flex; flex-direction: column; text-decoration: none; color: inherit;
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.post:hover { border-color: var(--s300); box-shadow: var(--sombra-m); transform: translateY(-2px); color: inherit; }
.post h3 { margin-bottom: 10px; font-size: 1.06rem; }
.post p { font-size: .9rem; color: var(--s500); margin: 0; }
.post .ler {
  margin-top: auto; padding-top: 18px; font-size: .8rem; color: var(--t700);
  font-weight: 600; letter-spacing: .02em;
}
.post .ler::after { content: " \2192"; }

/* ---------------------------------------------------------------- artigo -- */
.topo-pagina { padding: clamp(40px, 6vw, 76px) 0 clamp(24px, 3vw, 40px); border-bottom: 1px solid var(--s100); }
.migalhas { font-size: .8rem; color: var(--s500); margin-bottom: 20px; }
.migalhas a { color: var(--s500); text-decoration: none; }
.migalhas a:hover { color: var(--t700); }
.chamada-pagina { font-size: 1.14rem; color: var(--s500); max-width: 62ch; margin-top: 20px; }
.meta-post { font-size: .84rem; color: var(--s500); margin-top: 18px; }

.corpo { max-width: 720px; padding: clamp(36px, 5vw, 60px) 0; font-size: 1.05rem; }
.corpo h2 { margin: 2.6rem 0 1rem; font-size: clamp(1.5rem, 2.6vw, 1.95rem); }
.corpo h3 { margin: 2rem 0 .7rem; }
.corpo ul, .corpo ol { padding-left: 1.3rem; margin: 0 0 1.3rem; }
.corpo li { margin-bottom: .6rem; }
.corpo ul.lista-limpa { padding-left: 0; }
.corpo strong { color: var(--s800); font-weight: 600; }

/* ------------------------------------------------------------------ mapa -- */
.mapa { border: 1px solid var(--s200); border-radius: var(--raio-g); overflow: hidden; }
.mapa iframe { display: block; width: 100%; height: 380px; border: 0; }

/* ------------------------------------------------------------ formulário -- */
.form { display: grid; gap: 16px; max-width: 540px; }
.form label { font-size: .82rem; color: var(--s500); display: block; margin-bottom: 6px; font-weight: 500; }
.form input, .form textarea {
  width: 100%; padding: 13px 15px; border: 1px solid var(--s200); border-radius: 10px;
  font: inherit; font-size: .96rem; background: var(--branco); color: var(--s900);
}
.form input:focus, .form textarea:focus { outline: 2px solid var(--t500); outline-offset: 1px; border-color: transparent; }
.form textarea { min-height: 130px; resize: vertical; }
.aviso-lgpd { font-size: .79rem; color: var(--s500); }

/* --------------------------------------------------------------- chamada -- */
.cta {
  background: var(--s900); border-radius: 22px; padding: clamp(38px, 6vw, 76px) clamp(26px, 5vw, 64px);
  position: relative; overflow: hidden; text-align: center;
}
.cta::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(700px 320px at 50% -10%, rgba(20, 184, 166, .16), transparent 70%);
}
.cta > * { position: relative; z-index: 1; }
.cta h2 { color: #fff; max-width: 20ch; margin: 0 auto 18px; }
.cta p { color: var(--s400); max-width: 54ch; margin: 0 auto 30px; }
.cta .btns { justify-content: center; }

/* ---------------------------------------------------------------- rodapé -- */
.rodape { background: var(--s900); color: var(--s400); padding: clamp(48px, 6vw, 80px) 0 34px; font-size: .92rem; }
.rodape-grade { display: grid; gap: 38px; grid-template-columns: 1.5fr 1fr 1fr; }
@media (max-width: 820px) { .rodape-grade { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .rodape-grade { grid-template-columns: 1fr; } }
.rodape h2 {
  font-family: var(--sans); font-size: .69rem; text-transform: uppercase; letter-spacing: .14em;
  color: var(--s400); margin-bottom: 16px; font-weight: 600; letter-spacing: .14em;
}
.rodape ul { list-style: none; padding: 0; margin: 0; }
.rodape li { margin-bottom: .55rem; }
.rodape a { color: var(--s300); text-decoration: none; }
.rodape a:hover { color: #fff; }
.rodape .marca-sigla { background: #fff; color: var(--s900); margin-bottom: 16px; }
.legal {
  margin-top: 44px; padding-top: 26px; border-top: 1px solid rgba(255, 255, 255, .09);
  font-size: .77rem; color: var(--s400); line-height: 1.65; max-width: 92ch;
}
.legal p { margin-bottom: .7rem; }

/* -------------------------------------------------------------- flutuante -- */
.zap-fixo {
  position: fixed; right: 20px; bottom: 20px; z-index: 70;
  background: var(--zap); color: #fff !important; border-radius: 999px; padding: 14px 22px;
  text-decoration: none; font-weight: 600; font-size: .9rem;
  box-shadow: 0 10px 30px rgba(18, 131, 63, .3); display: inline-flex; align-items: center; gap: 9px;
}
.zap-fixo:hover { background: #0f7a3a; }
.zap-fixo svg { width: 18px; height: 18px; fill: currentColor; }

/* --------------------------------------------------------------- reveals -- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .9s cubic-bezier(.16,1,.3,1), transform .9s cubic-bezier(.16,1,.3,1); }
.reveal.visivel { opacity: 1; transform: none; }
.atraso-1 { transition-delay: .08s; }
.atraso-2 { transition-delay: .16s; }
.atraso-3 { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

@media print {
  .topo, .zap-fixo, .cta, .linhas { display: none; }
  body { font-size: 12pt; }
}