/* ==========================================================
   Piscina Mix · Página de vendas "Sua piscina bem cuidada"
   Mobile first. Cores e medidas centralizadas em :root.
   ========================================================== */

:root {
  --azul: #0155BF;        /* azul da logo */
  --azul-900: #0A2F66;
  --marinho: #0E3354;     /* títulos (igual ao e-book) */
  --texto: #2A3B4C;
  --suave: #55667A;
  --turquesa: #17717E;    /* escurecido para contraste AA em texto pequeno */
  --agua: #4FD1C5;
  --laranja: #F39229;     /* exclusivo dos botões de compra */
  --laranja-h: #D97A10;
  --areia: #F6EEDC;
  --fundo: #F4F8FC;
  --branco: #FFFFFF;
  --linha: #DCE6F0;
  --raio: 16px;
  --sombra: 0 10px 30px rgba(14, 51, 84, .10);
  --sticky-h: 0px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Source Sans 3", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--texto);
  background: var(--fundo);
  padding-bottom: var(--sticky-h);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--azul); }
h1, h2, h3 { color: var(--marinho); line-height: 1.15; margin: 0 0 .5em; }
h2 { font-size: clamp(26px, 5.4vw, 38px); font-weight: 800; letter-spacing: -.01em; }
h3 { font-size: 20px; font-weight: 700; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 3px solid var(--agua); outline-offset: 3px; border-radius: 6px; }

.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 760px; }
.center { text-align: center; }
.ico { width: 22px; height: 22px; flex: none; }
.ico-lg { width: 36px; height: 36px; }

.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: #fff; color: var(--marinho); padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 8px; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 58px; padding: 14px 30px;
  border-radius: 999px; border: 0;
  background: var(--laranja); color: var(--marinho);
  font: inherit; font-size: 19px; font-weight: 800; line-height: 1.2; text-align: center; text-decoration: none;
  box-shadow: 0 5px 0 var(--laranja-h), 0 12px 24px rgba(243, 146, 41, .30);
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease;
  cursor: pointer;
}
.btn:hover { background: #F69F3E; }
.btn:active { transform: translateY(3px); box-shadow: 0 2px 0 var(--laranja-h), 0 6px 14px rgba(243, 146, 41, .30); }
.btn-block { width: 100%; }

.micro { font-size: 14.5px; color: var(--suave); margin: 14px 0 0; }
.eyebrow { font-size: 13.5px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--turquesa); margin-bottom: 8px; }
.lead { font-size: clamp(18px, 2.4vw, 21px); max-width: 40em; margin-left: auto; margin-right: auto; }
.caption { font-size: 15px; color: var(--suave); margin-top: 18px; }

/* ---------- Seções ---------- */
.section { padding: 64px 0; }
.section-white { background: var(--branco); }
.section-sand { background: var(--areia); }
.section-blue { background: var(--azul); color: #fff; }
.section-blue h2, .section-blue h3 { color: #fff; }
.section-blue .eyebrow { color: #9BEBE3; }  /* água clara: contraste AA sobre o azul */
.section-blue .caption, .section-blue .micro { color: rgba(255, 255, 255, .85); }
.section .btn { margin-top: 28px; }

/* ---------- 01 Hero ---------- */
.hero { position: relative; overflow: hidden; background: var(--azul); color: #fff; color-scheme: dark; }
.hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(640px 320px at 85% 25%, rgba(79, 209, 197, .22), transparent 70%); pointer-events: none; }
.hero-top { position: relative; padding-top: 16px; padding-bottom: 8px; }
.logo { height: 36px; width: auto; }
.hero-grid { position: relative; display: grid; gap: 24px; padding-top: 12px; padding-bottom: 72px; }
.chip { display: inline-block; margin: 0; padding: 5px 14px; border-radius: 999px; background: rgba(255, 255, 255, .14); font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.hero h1 { color: #fff; font-size: clamp(36px, 8.6vw, 58px); font-weight: 900; letter-spacing: -.015em; margin: 16px 0; }
.hero .sub { font-size: clamp(18px, 2.4vw, 21px); opacity: .95; margin-bottom: 26px; max-width: 34em; }
.hero .micro { color: rgba(255, 255, 255, .88); }
.trust { display: flex; align-items: flex-start; gap: 10px; margin: 18px 0 0; font-size: 15.5px; color: rgba(255, 255, 255, .92); }
.trust::before { content: ""; width: 9px; height: 9px; margin-top: 8px; border-radius: 50%; background: var(--agua); flex: none; }
.book-wrap { position: relative; display: grid; place-items: center; padding: 18px 0; }
.book-wrap::before { content: ""; position: absolute; width: 118%; max-width: 380px; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(79, 209, 197, .55), rgba(79, 209, 197, .12) 62%, transparent 70%); }
.book { position: relative; width: min(220px, 62vw); }
.book img { border-radius: 4px 10px 10px 4px; box-shadow: 6px 6px 0 #E9EEF5, 10px 10px 0 #C9D4E2, 0 28px 50px rgba(0, 0, 0, .4); }
.book::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 12px; border-radius: 4px 0 0 4px; background: linear-gradient(90deg, rgba(0, 0, 0, .25), rgba(255, 255, 255, .14) 60%, transparent); z-index: 1; }
.wave { position: absolute; left: 0; right: 0; bottom: -1px; width: 100%; height: 44px; color: var(--fundo); }

/* ---------- 02 Problema ---------- */
.pain-grid { display: grid; gap: 12px; margin-top: 28px; }
.pain { display: flex; gap: 14px; align-items: flex-start; background: #fff; border-radius: var(--raio); padding: 18px; box-shadow: 0 1px 3px rgba(14, 51, 84, .07); font-size: 17.5px; }
.pain .ico { color: var(--turquesa); width: 26px; height: 26px; }
.bridge { margin: 32px auto 0; max-width: 34em; text-align: center; font-size: clamp(19px, 2.6vw, 23px); color: var(--marinho); }

/* ---------- 03 Solução ---------- */
.pillars { display: grid; gap: 14px; margin-top: 32px; }
.pillar { background: var(--fundo); border-radius: var(--raio); padding: 22px; }
.pillar .ico { color: var(--azul); margin-bottom: 10px; }
.pillar p { margin: 0; }
.section-white h2 em { font-style: normal; color: var(--azul); }

/* ---------- 04 Aprender ---------- */
.topics { display: grid; gap: 14px; margin-top: 28px; }
.topic { position: relative; background: #fff; border-radius: var(--raio); padding: 22px 22px 22px 24px; border-left: 5px solid var(--turquesa); box-shadow: 0 1px 3px rgba(14, 51, 84, .07); }
.topic-n { position: absolute; top: 18px; right: 20px; font-size: 40px; font-weight: 900; line-height: 1; color: rgba(31, 135, 150, .16); }
.topic li { position: relative; padding-left: 20px; margin-top: 8px; }
.topic li::before { content: ""; position: absolute; left: 2px; top: .62em; width: 8px; height: 8px; border-radius: 50%; background: var(--agua); }
.extras { display: flex; gap: 10px; align-items: flex-start; margin: 22px auto 0; max-width: 40em; padding: 16px 18px; border-radius: var(--raio); background: #E3F4F2; color: var(--marinho); }
.extras .ico { color: var(--turquesa); margin-top: 2px; }

/* ---------- 05 Prévias ---------- */
.previews { display: grid; gap: 16px; margin-top: 28px; }
.previews figure { margin: 0; border-radius: 12px; overflow: hidden; background: #fff; box-shadow: 0 18px 40px rgba(0, 0, 0, .25); }
.previews img { width: 100%; -webkit-user-drag: none; user-select: none; }

/* ---------- 06 Benefícios ---------- */
.benefits { display: grid; gap: 12px; margin-top: 28px; }
.benefits li { display: flex; gap: 12px; align-items: flex-start; padding: 16px 18px; border-radius: var(--raio); background: var(--fundo); }
.benefits .ico { color: #fff; background: var(--turquesa); border-radius: 50%; padding: 4px; width: 26px; height: 26px; margin-top: 1px; }
.benefits strong { color: var(--marinho); }

/* ---------- 07 Para quem ---------- */
.fit { display: grid; gap: 14px; margin-top: 28px; }
.fit-col { border-radius: var(--raio); padding: 22px; background: #fff; box-shadow: 0 1px 3px rgba(14, 51, 84, .07); }
.fit-col li { display: flex; gap: 10px; align-items: flex-start; margin-top: 10px; }
.fit-yes { border-top: 5px solid var(--turquesa); }
.fit-yes .ico { color: var(--turquesa); }
.fit-no { border-top: 5px solid #B8C4D2; }
.fit-no .ico { color: #8A98A8; }

/* ---------- 08 Autoridade ---------- */
.about { display: grid; gap: 24px; align-items: center; }
.about-logo { width: 150px; margin: 0 auto; }
.about p { color: rgba(255, 255, 255, .92); }
.link-light { display: inline-flex; gap: 8px; align-items: center; color: #fff; font-weight: 700; text-decoration: underline; text-underline-offset: 4px; }

/* ---------- 09 Oferta ---------- */
.offer { display: grid; gap: 24px; background: #fff; border-radius: 24px; padding: 28px 20px; box-shadow: var(--sombra); max-width: 880px; margin: 0 auto; }
.offer-media img { width: 170px; margin: 0 auto; border-radius: 4px 8px 8px 4px; box-shadow: 0 18px 36px rgba(14, 51, 84, .28); }
.offer h2 { margin-bottom: 4px; }
.offer-sub { color: var(--suave); }
.offer-list li { display: flex; gap: 10px; align-items: flex-start; margin-top: 8px; }
.offer-list .ico { color: var(--turquesa); }
.price { display: flex; flex-direction: column; margin: 24px 0 0; font-size: 46px; font-weight: 900; line-height: 1.05; color: var(--marinho); }
.price small { font-size: 15px; font-weight: 600; color: var(--suave); margin-top: 6px; }
.offer .btn { margin-top: 20px; }
.seals { display: grid; gap: 8px; margin-top: 18px; font-size: 15px; color: var(--suave); }
.seals li { display: flex; gap: 8px; align-items: center; }
.seals .ico { width: 20px; height: 20px; color: var(--turquesa); }

/* ---------- 10 FAQ ---------- */
.faq-list { display: grid; gap: 10px; margin-top: 28px; }
.faq { border: 1px solid var(--linha); border-radius: 14px; background: #fff; }
.faq summary { display: flex; justify-content: space-between; gap: 12px; align-items: center; padding: 18px 20px; font-weight: 700; font-size: 18px; color: var(--marinho); cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: none; font-size: 26px; font-weight: 400; line-height: 1; color: var(--turquesa); transition: transform .2s; }
.faq[open] summary::after { transform: rotate(45deg); }
.faq p { margin: 0; padding: 0 20px 18px; }

/* ---------- 11 CTA final ---------- */
.final { padding: 72px 0; background: linear-gradient(180deg, var(--azul), var(--azul-900)); }
.final .lead { color: rgba(255, 255, 255, .92); }

/* ---------- 12 Rodapé ---------- */
.footer { background: #08223D; color: rgba(255, 255, 255, .8); padding: 40px 0 28px; font-size: 15px; }
.footer-grid { display: grid; gap: 22px; }
.footer .logo { height: 32px; margin-bottom: 8px; }
.footer-links { display: grid; gap: 10px; }
.footer a { color: #fff; display: inline-flex; gap: 8px; align-items: center; }
.footer-note { border-top: 1px solid rgba(255, 255, 255, .14); margin-top: 26px; padding-top: 18px; font-size: 13.5px; color: rgba(255, 255, 255, .65); }
.footer-note p { margin: 0 0 6px; }

/* ---------- Barra fixa (celular) ---------- */
.sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, .97); box-shadow: 0 -6px 24px rgba(14, 51, 84, .14);
  transform: translateY(110%); transition: transform .25s ease;
}
.sticky-cta.is-visible { transform: none; }
.sticky-price { display: flex; flex-direction: column; line-height: 1.15; }
.sticky-price strong { font-size: 20px; color: var(--marinho); }
.sticky-price span { font-size: 13px; color: var(--suave); }
.sticky-cta .btn { min-height: 48px; padding: 10px 22px; font-size: 17px; box-shadow: 0 4px 0 var(--laranja-h); }

/* ---------- Aviso de cookies ---------- */
.consent { position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 60; max-width: 520px; margin: 0 auto; padding: 16px; border-radius: 14px; background: #fff; box-shadow: 0 10px 40px rgba(0, 0, 0, .25); font-size: 15px; }
.consent p { margin: 0 0 12px; }
.consent-actions { display: flex; gap: 10px; justify-content: flex-end; }
.btn-small, .btn-ghost { font: inherit; font-weight: 700; padding: 10px 18px; border-radius: 999px; cursor: pointer; }
.btn-small { border: 0; background: var(--azul); color: #fff; }
.btn-ghost { border: 1px solid var(--linha); background: #fff; color: var(--marinho); }

/* ---------- Animação de entrada (só com JS e sem "reduzir movimento") ---------- */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
  .js .reveal.is-visible { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .sticky-cta, .btn { transition: none; }
}

/* ---------- Tablet ---------- */
@media (min-width: 640px) {
  .pain-grid { grid-template-columns: 1fr 1fr; }
  .benefits { grid-template-columns: 1fr 1fr; }
  .topics { grid-template-columns: 1fr 1fr; }
  .fit { grid-template-columns: 1fr 1fr; }
  .previews { grid-template-columns: repeat(3, 1fr); }
  .offer { grid-template-columns: 220px 1fr; padding: 36px; align-items: center; }
  .offer-media img { width: 100%; }
  .footer-grid { grid-template-columns: 1fr auto; align-items: start; }
}

/* ---------- Desktop ---------- */
@media (min-width: 860px) {
  body { font-size: 18px; }
  .section { padding: 88px 0; }
  .logo { height: 40px; }
  .hero-top { padding-top: 24px; }
  .hero-grid { grid-template-columns: 1.3fr .7fr; align-items: center; padding-top: 24px; padding-bottom: 104px; }
  .book { width: 280px; }
  .pain-grid { grid-template-columns: repeat(3, 1fr); }
  .pillars { grid-template-columns: repeat(3, 1fr); }
  .benefits { grid-template-columns: repeat(3, 1fr); }
  .about { grid-template-columns: 200px 1fr; gap: 48px; }
  .about-logo { width: 200px; }
  .offer { grid-template-columns: 260px 1fr; gap: 44px; padding: 44px; }
  /* no computador a barra fixa não é necessária */
  .sticky-cta { display: none; }
}