:root {
  --azul: #0a3fa8;
  --azul-esc: #06225f;
  --amarelo: #ffd21f;
  --verde: #0f9d4c;
  --verde-esc: #0b7c3b;
  --fundo: #f3f6fc;
  --texto: #14213d;
  --suave: #56617a;
  --borda: #dbe3f1;
  --raio: 16px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--texto);
  background: var(--fundo);
  line-height: 1.5;
  padding-bottom: 76px; /* espaço da barra fixa */
}
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 12px; letter-spacing: -0.02em; }
h1 { font-size: clamp(1.9rem, 6.5vw, 3rem); font-weight: 900; }
h2 { font-size: clamp(1.5rem, 5vw, 2.1rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 800; }
p { margin: 0 0 12px; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
section { padding: 44px 0; }
.centro { text-align: center; }
.sub { color: var(--suave); max-width: 620px; margin: 0 auto 24px; }

.faixa {
  background: var(--amarelo); color: var(--azul-esc);
  text-align: center; font-weight: 800; font-size: .88rem; padding: 8px 12px;
}

.hero { background: linear-gradient(160deg, var(--azul) 0%, var(--azul-esc) 100%); color: #fff; padding: 36px 0 44px; }
.hero .wrap { display: grid; gap: 24px; align-items: center; }
.hero em { font-style: normal; color: var(--amarelo); }
.hero p { font-size: 1.08rem; color: #dfe8ff; }
.hero img { border-radius: var(--raio); box-shadow: 0 16px 40px rgba(0,0,0,.35); }
.selos { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 18px 0 0; }
.selos li { background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.25); border-radius: 999px; padding: 6px 12px; font-size: .86rem; font-weight: 700; }

.btn {
  display: inline-block; width: 100%; text-align: center; text-decoration: none; cursor: pointer;
  background: var(--verde); color: #fff; font: inherit; font-weight: 900; font-size: 1.08rem;
  padding: 16px 22px; border: 0; border-radius: 12px; box-shadow: 0 6px 0 var(--verde-esc);
  transition: transform .08s, box-shadow .08s;
}
.btn:hover { filter: brightness(1.06); }
.btn:active { transform: translateY(4px); box-shadow: 0 2px 0 var(--verde-esc); }
.btn:focus-visible, .opcao:focus-visible, summary:focus-visible { outline: 3px solid var(--amarelo); outline-offset: 3px; }
.btn.claro { background: #fff; color: var(--azul); box-shadow: 0 6px 0 #c9d6ef; }
.btn.fino { box-shadow: none; background: transparent; color: var(--suave); font-weight: 700; font-size: .95rem; padding: 10px; text-decoration: underline; }

.grade { display: grid; gap: 14px; }
.cartao { background: #fff; border: 1px solid var(--borda); border-radius: var(--raio); padding: 20px; }
.cartao .num {
  display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 50%;
  background: var(--azul); color: #fff; font-weight: 900; margin-bottom: 10px;
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; list-style: none; padding: 0; margin: 0 0 24px; }
.chips li { background: #fff; border: 1px solid var(--borda); border-radius: 999px; padding: 8px 16px; font-weight: 700; }
.foto { border-radius: var(--raio); margin: 0 auto; max-width: min(100%, 520px); box-shadow: 0 10px 30px rgba(10,63,168,.18); }
.nota { font-size: .82rem; color: var(--suave); }

.lista { list-style: none; padding: 0; margin: 0; }
.lista li { padding: 6px 0 6px 30px; position: relative; }
.lista li::before { position: absolute; left: 0; font-weight: 900; }
.sim li::before { content: "✔"; color: var(--verde); }
.nao li::before { content: "✘"; color: #d0342c; }
.cartao.alerta { border-color: #f1c0bc; background: #fff6f5; }

.escuro { background: var(--azul-esc); color: #fff; }
.escuro .sub { color: #c7d5f7; }

.kit { position: relative; text-align: center; display: flex; flex-direction: column; gap: 4px; color: var(--texto); }
.kit.destaque { border: 3px solid var(--amarelo); box-shadow: 0 12px 34px rgba(0,0,0,.28); }
.kit .selo {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%); white-space: nowrap;
  background: var(--amarelo); color: var(--azul-esc); font-weight: 900; font-size: .78rem;
  padding: 4px 12px; border-radius: 999px; text-transform: uppercase;
}
.kit .preco { font-size: 2.2rem; font-weight: 900; color: var(--azul); margin: 0; line-height: 1.1; }
.kit .un { color: var(--suave); font-size: .95rem; min-height: 1.5em; }
.kit .eco { color: var(--verde-esc); font-weight: 800; }
.kit .btn { margin-top: auto; }

details { background: #fff; border: 1px solid var(--borda); border-radius: 12px; padding: 0 16px; margin-bottom: 10px; }
summary { cursor: pointer; font-weight: 800; padding: 14px 0; }
details p { color: var(--suave); }

footer { padding: 28px 0 12px; font-size: .82rem; color: var(--suave); text-align: center; }

.fixa {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 20;
  background: #fff; border-top: 1px solid var(--borda); padding: 10px 16px;
  box-shadow: 0 -6px 20px rgba(0,0,0,.08);
}
.fixa .btn { max-width: 520px; display: block; margin: 0 auto; padding: 13px; box-shadow: none; }

.zap {
  position: fixed; right: 14px; bottom: 88px; z-index: 21; width: 56px; height: 56px; border-radius: 50%;
  background: #25d366; display: grid; place-items: center; box-shadow: 0 6px 18px rgba(0,0,0,.3);
}
.zap svg { width: 30px; height: 30px; fill: #fff; }

.veu { position: fixed; inset: 0; z-index: 50; background: rgba(6,20,60,.72); display: grid; place-items: center; padding: 16px; }
.veu[hidden] { display: none; }
.aviso { background: #fff; border-radius: 20px; padding: 26px 22px; max-width: 420px; width: 100%; text-align: center; position: relative; }
.aviso .x { position: absolute; top: 6px; right: 10px; background: none; border: 0; font-size: 1.7rem; cursor: pointer; color: var(--suave); padding: 6px 10px; }
.aviso .btn:not(.fino) { background: #25d366; box-shadow: 0 6px 0 #1aa34d; margin: 6px 0 4px; }

/* Movimento */
.rev { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.rev.on { opacity: 1; transform: none; }
.hero { position: relative; overflow: hidden; }
.hero .wrap { position: relative; z-index: 1; }
.hero::before, .hero::after {
  content: ""; position: absolute; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.35), rgba(255,255,255,.04) 60%);
  animation: bolha 9s ease-in-out infinite;
}
.hero::before { width: 220px; height: 220px; top: -60px; right: -50px; }
.hero::after { width: 130px; height: 130px; bottom: -30px; left: 6%; animation-delay: -4s; }
@keyframes bolha { 50% { transform: translate(-14px, 22px) scale(1.08); } }
.hero h1, .hero p, .hero .btn, .hero .selos { animation: sobe .7s both; }
.hero p { animation-delay: .12s; } .hero .btn { animation-delay: .24s; } .hero .selos { animation-delay: .36s; }
.hero img { animation: sobe .8s .2s both, flutua 6s 1s ease-in-out infinite; }
@keyframes sobe { from { opacity: 0; transform: translateY(22px); } }
@keyframes flutua { 50% { transform: translateY(-9px); } }
.hero em { background: linear-gradient(90deg, var(--amarelo), #fff3a6, var(--amarelo)); background-size: 200%; -webkit-background-clip: text; background-clip: text; color: transparent; animation: brilho 3s linear infinite; }
@keyframes brilho { to { background-position: -200%; } }
.kit .btn, .fixa .btn, #comecar { animation: pulso 1.9s ease-in-out infinite; }
@keyframes pulso { 50% { transform: scale(1.035); box-shadow: 0 6px 0 var(--verde-esc), 0 0 0 8px rgba(15,157,76,.16); } }
.cartao { transition: transform .2s ease, box-shadow .2s ease; }
.cartao:hover { transform: translateY(-5px); box-shadow: 0 14px 30px rgba(10,63,168,.14); }
.chips li { transition: transform .15s, background .15s; }
.chips li:hover { transform: scale(1.07); background: var(--amarelo); }
.zap::after { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid #25d366; animation: onda 2s ease-out infinite; }
@keyframes onda { to { transform: scale(1.7); opacity: 0; } }
.aviso { animation: salta .35s cubic-bezier(.2,1.4,.4,1) both; }
@keyframes salta { from { opacity: 0; transform: scale(.85); } }
.fixa { transform: translateY(110%); transition: transform .35s ease; }
.fixa.on { transform: none; }
#quiz > * { animation: entra .35s ease both; }
@keyframes entra { from { opacity: 0; transform: translateX(26px); } }
.opcao { transition: transform .12s, border-color .12s, background .12s; }
.opcao:hover { transform: translateX(5px); }
.opcao:active { transform: scale(.98); }

/* Quiz */
.quiz { max-width: 560px; margin: 0 auto; padding: 24px 16px 40px; }
.barra { height: 8px; background: var(--borda); border-radius: 999px; overflow: hidden; margin-bottom: 8px; }
.barra i { display: block; height: 100%; width: 0; background: var(--verde); transition: width .3s; }
.passo { font-size: .85rem; color: var(--suave); font-weight: 700; margin-bottom: 18px; }
.opcao {
  display: block; width: 100%; text-align: left; font: inherit; font-weight: 700; font-size: 1.02rem; color: var(--texto);
  background: #fff; border: 2px solid var(--borda); border-radius: 14px; padding: 16px; margin-bottom: 10px; cursor: pointer;
}
.opcao:hover { border-color: var(--azul); background: #eef3ff; }
.gira { width: 46px; height: 46px; margin: 30px auto 16px; border: 5px solid var(--borda); border-top-color: var(--azul); border-radius: 50%; animation: gira .8s linear infinite; }
@keyframes gira { to { transform: rotate(360deg); } }
.resumo { background: #eaf7ef; border: 1px solid #b9e2c8; border-radius: var(--raio); padding: 16px 18px; margin-bottom: 26px; }
.quiz .kit { margin-bottom: 22px; }
.quiz .kit:not(.destaque) { border: 1px solid var(--borda); }

@media (min-width: 760px) {
  .hero .wrap { grid-template-columns: 1.1fr 1fr; }
  .grade.tres { grid-template-columns: repeat(3, 1fr); }
  .grade.dois { grid-template-columns: 1fr 1fr; }
  .btn { width: auto; }
  .kit .btn, .aviso .btn, .quiz .btn, .fixa .btn { width: 100%; }
  .kit.destaque, .kit.destaque.rev.on { transform: scale(1.04); }
  .kit.destaque:hover { transform: scale(1.04) translateY(-5px); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .rev { opacity: 1; transform: none; }
}