/* =========================================================
   Oral Health Review — folha de estilo única
   Edite as cores em :root para mudar a identidade do site.
   ========================================================= */

:root{
  /* Paleta */
  --green-900:#0f3d27;
  --green-700:#1f6b45;
  --green-600:#277d4f;
  --green-500:#3fa96c;
  --green-300:#8fd6ae;
  --green-100:#dcf3e6;
  --green-50:#f0f9f4;
  --mint:#f2fbf5;
  --cta:#45c56f;
  --cta-hover:#36ad5e;
  --cta-ink:#0b2415;      /* texto do botao: 8:1 sobre o verde */

  --ink:#0e1a13;
  --body:#3f5248;
  --muted:#63776c;
  --line:#e2ebe5;
  --bg:#ffffff;
  --bg-soft:#f6fbf8;
  --amber:#b9821f;

  /* Tipografia */
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;

  /* Métricas */
  --wrap:1140px;
  --radius:16px;
  --radius-sm:10px;
  --radius-lg:24px;
  --shadow-sm:0 1px 2px rgba(14,26,19,.06),0 2px 8px rgba(14,26,19,.04);
  --shadow:0 4px 12px rgba(14,26,19,.07),0 16px 40px rgba(14,26,19,.07);
  --shadow-lg:0 10px 24px rgba(14,26,19,.1),0 30px 70px rgba(14,26,19,.1);
}
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
@media (prefers-reduced-motion:reduce){ html{ scroll-behavior:auto; } }

body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.65;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{ max-width:100%; height:auto; display:block; }
a{ color:var(--green-700); text-decoration:none; }
a:hover{ text-decoration:underline; }

h1,h2,h3,h4{ color:var(--ink); line-height:1.18; margin:0 0 .5em; font-weight:800; letter-spacing:-.02em; }
h1{ font-size:clamp(2.1rem,5.2vw,3.5rem); }
h2{ font-size:clamp(1.65rem,3.6vw,2.4rem); }
h3{ font-size:clamp(1.15rem,2.2vw,1.4rem); font-weight:700; }
h4{ font-size:1.02rem; font-weight:700; }
p{ margin:0 0 1.1em; }
ul,ol{ margin:0 0 1.1em; padding-left:1.25em; }
li{ margin-bottom:.45em; }
strong{ color:var(--ink); font-weight:650; }
small{ font-size:.84rem; }

.wrap{ width:100%; max-width:var(--wrap); margin:0 auto; padding:0 20px; }
.narrow{ max-width:800px; }
.section{ padding:clamp(56px,8vw,96px) 0; }
.section--soft{ background:var(--bg-soft); }
.section--mint{ background:var(--mint); }
.center{ text-align:center; }
.mt0{ margin-top:0; } .mb0{ margin-bottom:0; }

/* Acessibilidade ------------------------------------------------ */
.skip-link{
  position:absolute; left:-9999px; top:0; z-index:999;
  background:var(--green-700); color:#fff; padding:12px 18px; border-radius:0 0 8px 0;
}
.skip-link:focus{ left:0; }
:focus-visible{ outline:3px solid var(--green-500); outline-offset:3px; border-radius:4px; }

/* Barra de disclosure ------------------------------------------- */
.disclosure-bar{
  background:var(--green-900); color:#cfe8da;
  font-size:.8rem; text-align:center; padding:9px 20px; line-height:1.5;
}
.disclosure-bar a{ color:#fff; text-decoration:underline; }

/* Aviso quando o JavaScript esta desligado (os links de compra dependem dele) */
.noscript-note{
  background:#fff4e2; color:#6d4a10; border-bottom:1px solid #f0dcb8;
  padding:12px 20px; text-align:center; font-size:.88rem; line-height:1.5;
}

/* Header -------------------------------------------------------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; gap:16px; height:68px; }
.brand{ display:flex; align-items:center; gap:10px; font-weight:800; color:var(--ink); font-size:1.05rem; letter-spacing:-.02em; }
.brand:hover{ text-decoration:none; }
.brand-mark{ width:34px; height:34px; border-radius:9px; background:linear-gradient(135deg,var(--green-500),var(--green-700)); display:grid; place-items:center; flex:none; }
.brand-mark svg{ width:19px; height:19px; fill:#fff; }

.nav{ display:flex; align-items:center; gap:4px; }
.nav a{ color:var(--body); font-size:.94rem; font-weight:550; padding:9px 13px; border-radius:8px; }
.nav a:hover{ background:var(--green-50); color:var(--green-700); text-decoration:none; }
.nav a[aria-current="page"]{ color:var(--green-700); background:var(--green-50); }

.nav-toggle{
  display:none; width:42px; height:42px; border:1px solid var(--line); background:#fff;
  border-radius:10px; cursor:pointer; padding:0; place-items:center;
}
.nav-toggle span{ display:block; width:18px; height:2px; background:var(--ink); border-radius:2px; position:relative; }
.nav-toggle span::before,.nav-toggle span::after{ content:''; position:absolute; left:0; width:18px; height:2px; background:var(--ink); border-radius:2px; transition:transform .2s ease; }
.nav-toggle span::before{ top:-6px; } .nav-toggle span::after{ top:6px; }
.nav-toggle[aria-expanded="true"] span{ background:transparent; }
.nav-toggle[aria-expanded="true"] span::before{ transform:translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after{ transform:translateY(-6px) rotate(-45deg); }

@media (max-width:900px){
  .nav-toggle{ display:grid; }
  .nav{
    position:absolute; top:68px; left:0; right:0;
    flex-direction:column; align-items:stretch; gap:2px;
    background:#fff; border-bottom:1px solid var(--line);
    padding:10px 16px 18px; box-shadow:var(--shadow);
    display:none;
  }
  .nav.is-open{ display:flex; }
  .nav a{ padding:12px 14px; font-size:1rem; }
  .nav .btn{ margin-top:8px; text-align:center; }
}

/* Botões -------------------------------------------------------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:inherit; font-size:.97rem; font-weight:650; line-height:1.2;
  padding:14px 26px; border-radius:999px; border:1.5px solid transparent;
  cursor:pointer; transition:transform .15s ease,box-shadow .15s ease,background .15s ease,color .15s ease;
  text-align:center;
}
.btn:hover{ text-decoration:none; transform:translateY(-1px); }
.btn:active{ transform:translateY(0); }
.btn--primary{ background:var(--cta); color:var(--cta-ink); box-shadow:0 6px 18px rgba(69,197,111,.32); }
.btn--primary:hover{ background:var(--cta-hover); color:var(--cta-ink); box-shadow:0 10px 26px rgba(69,197,111,.4); }
.btn--dark{ background:var(--green-700); color:#fff; }
.btn--dark:hover{ background:var(--green-900); color:#fff; }
.btn--ghost{ background:transparent; color:#fff; border-color:rgba(255,255,255,.7); }
.btn--ghost:hover{ background:rgba(255,255,255,.14); color:#fff; }
.btn--outline{ background:#fff; color:var(--green-700); border-color:var(--green-300); }
.btn--outline:hover{ background:var(--green-50); color:var(--green-900); }
.btn--block{ display:flex; width:100%; }
.btn--sm{ padding:10px 18px; font-size:.88rem; }
.btn--lg{ padding:17px 36px; font-size:1.05rem; }

.btn-note{ font-size:.8rem; color:var(--muted); margin:10px 0 0; }

/* Hero ---------------------------------------------------------- */
.hero{
  position:relative; color:#fff; overflow:hidden;
  background:linear-gradient(150deg,#0f3d27 0%,#1f6b45 48%,#2f8f5b 100%);
}
.hero::after{
  content:''; position:absolute; inset:0;
  background:
    radial-gradient(900px 420px at 18% -10%,rgba(143,214,174,.3),transparent 60%),
    radial-gradient(700px 400px at 88% 110%,rgba(69,197,111,.28),transparent 60%);
  pointer-events:none;
}
.hero-inner{ position:relative; z-index:1; padding:clamp(64px,9vw,112px) 0 clamp(72px,10vw,120px); text-align:center; }
.hero h1{ color:#fff; max-width:17ch; margin:0 auto .22em; }
.hero p.lead{ color:#d6ecde; font-size:clamp(1.02rem,2vw,1.18rem); max-width:62ch; margin:0 auto 2em; }
.hero-cta{ display:flex; flex-wrap:wrap; gap:14px; justify-content:center; }
.hero-meta{ margin-top:34px; display:flex; flex-wrap:wrap; gap:10px 26px; justify-content:center; color:#bedfcd; font-size:.87rem; }
.hero-meta span{ display:inline-flex; align-items:center; gap:7px; }
.hero-meta svg{ width:15px; height:15px; fill:var(--green-300); flex:none; }

.eyebrow{
  display:inline-block; font-size:.76rem; font-weight:700; letter-spacing:.14em; text-transform:uppercase;
  color:var(--green-600); background:var(--green-50); border:1px solid var(--green-100);
  padding:6px 14px; border-radius:999px; margin-bottom:16px;
}
.hero .eyebrow{ color:#cdeedd; background:rgba(255,255,255,.12); border-color:rgba(255,255,255,.22); }

.section-head{ max-width:720px; margin:0 auto clamp(36px,5vw,56px); text-align:center; }
.section-head p{ color:var(--muted); font-size:1.04rem; margin-bottom:0; }
.updated{ font-size:.82rem; color:var(--muted); margin:14px 0 0; }
.hero .updated{ color:#a9c9b8; }

/* Cards de produto ---------------------------------------------- */
.product-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:28px; }
@media (max-width:820px){ .product-grid{ grid-template-columns:1fr; } }
/* Grade 2x2 para os quatro produtos */
.product-grid--quad{ grid-template-columns:repeat(2,1fr); gap:26px; }
@media (max-width:820px){ .product-grid--quad{ grid-template-columns:1fr; } }
.product-grid--quad .pcard-media{ min-height:210px; padding:22px 20px; }
.product-grid--quad .pcard-media img{ max-height:180px; }
.product-grid--quad .pcard-body{ padding:24px 24px 26px; }

.pcard{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm); overflow:hidden; display:flex; flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.pcard:hover{ transform:translateY(-4px); box-shadow:var(--shadow-lg); }
.pcard-media{ background:linear-gradient(170deg,var(--mint),#e7f5ec); padding:30px 24px; display:grid; place-items:center; min-height:250px; position:relative; }
.pcard-media img{ max-height:210px; width:auto; filter:drop-shadow(0 14px 26px rgba(14,26,19,.16)); }
.pcard-badge{
  position:absolute; top:16px; left:16px; z-index:2;
  background:var(--green-700); color:#fff; font-size:.72rem; font-weight:700;
  letter-spacing:.07em; text-transform:uppercase; padding:6px 12px; border-radius:999px;
}
.pcard-body{ padding:26px 26px 28px; display:flex; flex-direction:column; flex:1; }
.pcard-body h3{ margin-bottom:6px; }
.pcard-type{ font-size:.82rem; color:var(--muted); text-transform:uppercase; letter-spacing:.08em; font-weight:650; margin-bottom:14px; }
.pcard-body p{ font-size:.97rem; }
.pcard-specs{ list-style:none; padding:0; margin:4px 0 20px; border-top:1px solid var(--line); }
.pcard-specs li{ display:flex; justify-content:space-between; gap:14px; font-size:.9rem; padding:9px 0; border-bottom:1px solid var(--line); margin:0; }
.pcard-specs span:first-child{ color:var(--muted); }
.pcard-specs span:last-child{ color:var(--ink); font-weight:600; text-align:right; }
.pcard-actions{ margin-top:auto; display:grid; gap:10px; }

/* Tabela comparativa -------------------------------------------- */
.scroll-hint{ font-size:.82rem; color:var(--muted); margin:0 0 10px; display:none; }
@media (max-width:1020px){ .scroll-hint{ display:block; } }
.table-scroll{ overflow-x:auto; -webkit-overflow-scrolling:touch; border-radius:var(--radius); border:1px solid var(--line); background:#fff; box-shadow:var(--shadow-sm); }
table.compare{ width:100%; border-collapse:collapse; min-width:620px; font-size:.95rem; }
table.compare--quad{ min-width:980px; font-size:.9rem; }
table.compare--quad th,table.compare--quad td{ padding:14px 14px; }
table.compare--quad thead th:first-child{ width:17%; }
table.compare--quad thead th:not(:first-child){ width:20.75%; }
table.compare caption{
  caption-side:top; text-align:left; padding:16px 18px 0; font-size:.88rem; color:var(--muted);
}
table.compare th,table.compare td{ padding:16px 18px; text-align:left; border-bottom:1px solid var(--line); vertical-align:top; }
table.compare thead th{ background:var(--green-50); color:var(--ink); font-weight:750; font-size:.9rem; letter-spacing:.01em; border-bottom:2px solid var(--green-100); }
table.compare thead th:first-child{ width:26%; }
table.compare tbody th{ font-weight:650; color:var(--muted); font-size:.88rem; background:var(--bg-soft); }
table.compare tbody tr:last-child td,table.compare tbody tr:last-child th{ border-bottom:0; }
table.compare td strong{ display:block; }

/* Grid de features ---------------------------------------------- */
.grid{ display:grid; gap:24px; }
.grid-2{ grid-template-columns:repeat(2,1fr); }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }
@media (max-width:980px){ .grid-4{ grid-template-columns:repeat(2,1fr); } .grid-3{ grid-template-columns:1fr 1fr; } }
@media (max-width:720px){ .grid-2,.grid-3,.grid-4{ grid-template-columns:1fr; } }

.card{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:26px 24px; box-shadow:var(--shadow-sm); }
.card h3,.card h4{ margin-bottom:8px; }
.card p:last-child{ margin-bottom:0; }
.card-icon{ width:46px; height:46px; border-radius:12px; background:var(--green-50); display:grid; place-items:center; margin-bottom:16px; }
.card-icon svg{ width:22px; height:22px; fill:var(--green-600); }

.step-num{
  width:38px; height:38px; border-radius:50%; background:var(--green-700); color:#fff;
  display:grid; place-items:center; font-weight:750; font-size:1rem; margin-bottom:14px; flex:none;
}

/* Listas pró/contra --------------------------------------------- */
.proscons{ display:grid; grid-template-columns:1fr 1fr; gap:22px; }
@media (max-width:720px){ .proscons{ grid-template-columns:1fr; } }
.proscons .card{ padding:24px; }
.list-check,.list-x{ list-style:none; padding:0; margin:0; }
.list-check li,.list-x li{ position:relative; padding-left:30px; font-size:.95rem; margin-bottom:10px; }
.list-check li::before,.list-x li::before{
  position:absolute; left:0; top:1px; width:20px; height:20px; border-radius:50%;
  display:grid; place-items:center; font-size:.72rem; font-weight:800;
}
.list-check li::before{ content:'✓'; background:var(--green-100); color:var(--green-700); }
.list-x li::before{ content:'!'; background:#fdf0dd; color:var(--amber); }

/* Callouts ------------------------------------------------------ */
.callout{
  border:1px solid var(--green-100); background:var(--green-50);
  border-radius:var(--radius); padding:22px 24px; font-size:.95rem;
}
.callout h4{ margin-bottom:6px; }
.callout p:last-child{ margin-bottom:0; }
.callout--warn{ background:#fffaf0; border-color:#f3e3c4; }
.callout--plain{ background:#fff; border-color:var(--line); }

/* FAQ ----------------------------------------------------------- */
.faq{ max-width:800px; margin:0 auto; border-top:1px solid var(--line); }
.faq-item{ border-bottom:1px solid var(--line); }
.faq-q{
  width:100%; background:none; border:0; cursor:pointer; font-family:inherit;
  display:flex; align-items:flex-start; justify-content:space-between; gap:18px;
  padding:20px 2px; text-align:left; font-size:1.03rem; font-weight:650; color:var(--ink); line-height:1.45;
}
.faq-q:hover{ color:var(--green-700); }
.faq-icon{ flex:none; width:22px; height:22px; margin-top:2px; position:relative; }
.faq-icon::before,.faq-icon::after{ content:''; position:absolute; background:var(--green-600); border-radius:2px; transition:transform .22s ease,opacity .22s ease; }
.faq-icon::before{ top:10px; left:2px; width:18px; height:2px; }
.faq-icon::after{ top:2px; left:10px; width:2px; height:18px; }
.faq-q[aria-expanded="true"] .faq-icon::after{ transform:scaleY(0); opacity:0; }
.faq-a{ display:none; padding:0 2px 22px; font-size:.97rem; color:var(--body); max-width:72ch; }
.faq-a p:last-child{ margin-bottom:0; }
.faq-q[aria-expanded="true"]+.faq-a{ display:block; }

/* CTA final ----------------------------------------------------- */
.final-cta{ background:linear-gradient(150deg,#0f3d27,#1f6b45 60%,#2f8f5b); color:#fff; border-radius:var(--radius-lg); padding:clamp(40px,6vw,64px) clamp(24px,5vw,56px); text-align:center; position:relative; overflow:hidden; }
.final-cta::after{ content:''; position:absolute; inset:0; background:radial-gradient(600px 300px at 50% -20%,rgba(143,214,174,.28),transparent 65%); pointer-events:none; }
.final-cta>*{ position:relative; z-index:1; }
.final-cta h2{ color:#fff; }
.final-cta p{ color:#d6ecde; max-width:56ch; margin-left:auto; margin-right:auto; }
.final-cta .hero-cta{ margin-top:26px; }

/* Bloco de aviso legal ------------------------------------------ */
.legal-block{ background:var(--bg-soft); border-top:1px solid var(--line); padding:38px 0; }
.legal-block p{ font-size:.82rem; color:var(--muted); line-height:1.7; margin-bottom:.9em; }
.legal-block p:last-child{ margin-bottom:0; }
.legal-block strong{ color:var(--body); }

/* Footer -------------------------------------------------------- */
.site-footer{ background:var(--green-900); color:#a9c9b8; padding:56px 0 28px; font-size:.9rem; }
.site-footer h4{ color:#fff; font-size:.82rem; letter-spacing:.12em; text-transform:uppercase; margin-bottom:14px; }
.footer-grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:34px; }
@media (max-width:860px){ .footer-grid{ grid-template-columns:1fr 1fr; gap:28px; } }
@media (max-width:520px){ .footer-grid{ grid-template-columns:1fr; } }
.site-footer ul{ list-style:none; padding:0; margin:0; }
.site-footer li{ margin-bottom:9px; }
.site-footer a{ color:#a9c9b8; }
.site-footer a:hover{ color:#fff; }
.site-footer .brand{ color:#fff; margin-bottom:14px; }
.footer-about p{ font-size:.86rem; line-height:1.65; color:#91b8a4; }
.footer-bottom{ margin-top:40px; padding-top:22px; border-top:1px solid rgba(255,255,255,.12); display:flex; flex-wrap:wrap; gap:12px; justify-content:space-between; font-size:.82rem; color:#8bb09c; }

/* Páginas de texto (legal) -------------------------------------- */
.page-head{ background:var(--bg-soft); border-bottom:1px solid var(--line); padding:clamp(44px,6vw,72px) 0; }
.page-head h1{ margin-bottom:10px; }
.page-head p{ color:var(--muted); margin:0; }
.prose h2{ margin-top:1.8em; font-size:1.4rem; }
.prose h3{ margin-top:1.5em; }
.prose ul{ padding-left:1.3em; }

/* Reveal -------------------------------------------------------- */
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .6s ease,transform .6s ease; }
.reveal.is-visible{ opacity:1; transform:none; }
@media (prefers-reduced-motion:reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
  .pcard:hover,.btn:hover{ transform:none; }
}

/* Barra fixa mobile --------------------------------------------- */
.sticky-cta{
  position:fixed; left:0; right:0; bottom:0; z-index:90;
  background:rgba(255,255,255,.96); backdrop-filter:blur(10px);
  border-top:1px solid var(--line); padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  display:none; gap:10px; box-shadow:0 -4px 20px rgba(14,26,19,.08);
}
.sticky-cta .btn{ flex:1; padding:12px 10px; font-size:.86rem; white-space:nowrap; }
@media (max-width:720px){
  .sticky-cta{ display:flex; }
  body{ padding-bottom:72px; }
}