/* =========================================================
   Desenho Sistêmico para Professores — Simoni Perondi
   Paleta lúdica: coral, amarelo, lima, céu, rosa, lilás, menta
   ========================================================= */

:root{
  /* cores da marca */
  --coral:oklch(72% .15 68);      --coral-soft:oklch(93% .06 68);
  --yellow:oklch(82% .15 85);     --yellow-soft:oklch(95% .05 85);
  --lime:oklch(68% .13 145);      --lime-soft:oklch(92% .06 140);
  --sky:oklch(68% .09 220);       --sky-soft:oklch(92% .04 220);
  --rose:oklch(66% .17 28);       --rose-soft:oklch(93% .06 35);
  --lilac:oklch(72% .09 300);     --lilac-soft:oklch(92% .04 300);
  --mint:oklch(78% .09 170);      --mint-soft:oklch(93% .04 165);
  --orange:oklch(72% .16 55);     --orange-soft:oklch(94% .06 60);
  --peach:oklch(78% .12 45);      --peach-soft:oklch(93% .05 55);

  /* neutros */
  --bg:oklch(96% .015 90);
  --fg:oklch(38% .04 60);
  --muted:oklch(52% .03 65);
  --line:oklch(86% .02 85);
  --white:#fff;

  /* tipografia */
  --font-display:"Sora", system-ui, -apple-system, sans-serif;
  --font-body:"Manrope", system-ui, -apple-system, sans-serif;

  /* medidas */
  --wrap:72rem;
  --r-card:2rem;
  --r-figure:3rem;
  --shadow-sm:0 1px 2px oklch(38% .04 60 / .07);
  --shadow-md:0 8px 20px oklch(38% .04 60 / .10);
  --shadow-lg:0 14px 34px oklch(38% .04 60 / .12);
  --shadow-xl:0 26px 60px oklch(38% .04 60 / .16);
  --header-h:4.25rem;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:1rem;
  line-height:1.6;
  color:var(--fg);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--font-display);font-weight:700;letter-spacing:-.02em;margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
s{opacity:.75}
svg{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.sprite{position:absolute;width:0;height:0;overflow:hidden}

:where(a,button,summary):focus-visible{
  outline:3px solid var(--coral);
  outline-offset:3px;
  border-radius:.5rem;
}

.skip-link{
  position:absolute;left:-999px;top:0;z-index:100;
  background:var(--coral);color:#fff;padding:.75rem 1.25rem;
  border-radius:0 0 1rem 0;font-weight:700;text-decoration:none;
}
.skip-link:focus{left:0}

html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 1rem)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* ---------- layout ---------- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:1.5rem}
.wrap-narrow{max-width:64rem}
.wrap-sm{max-width:48rem}
.wrap-xs{max-width:36rem}
.center{text-align:center}

.section{position:relative;overflow:hidden;padding:5rem 0}
@media (min-width:640px){.section{padding:7rem 0}}

.section-white{background:var(--white)}
.section-orange{background:color-mix(in oklab,var(--orange-soft) 60%,var(--bg))}
.section-lime{background:color-mix(in oklab,var(--lime-soft) 50%,var(--bg))}
.section-sky{background:color-mix(in oklab,var(--sky-soft) 40%,var(--bg))}
.section-rose{background:color-mix(in oklab,var(--rose-soft) 40%,var(--bg))}
.section-yellow{background:color-mix(in oklab,var(--yellow-soft) 60%,var(--bg))}
.section-lilac{background:color-mix(in oklab,var(--lilac-soft) 40%,var(--bg))}

.section h2{font-size:clamp(1.75rem,4.5vw,2.25rem);line-height:1.2}
.prose{margin-top:1.5rem;display:grid;gap:1rem;font-size:1.125rem;line-height:1.7;color:var(--muted)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:oklch(100% 0 0 / .9);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid color-mix(in oklab,var(--line) 60%,transparent);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-block:1rem}
.brand{
  font-family:var(--font-display);font-weight:700;font-size:1.125rem;
  letter-spacing:-.02em;color:var(--coral);text-decoration:none;
}
.brand-lg{font-size:1.25rem}
.site-header .header-cta{display:none}
@media (min-width:640px){.site-header .header-cta{display:inline-flex}}

/* ---------- botões ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  border-radius:999px;font-weight:700;text-decoration:none;
  border:0;cursor:pointer;
  transition:transform .3s ease,box-shadow .3s ease,background-color .3s ease;
}
.btn svg{width:1.15em;height:1.15em;flex:none}
.btn-coral{
  background:var(--coral);color:#fff;
  box-shadow:0 10px 24px color-mix(in oklab,var(--coral) 30%,transparent);
}
.btn-coral:hover{
  background:color-mix(in oklab,var(--coral) 90%,#000);
  transform:translateY(-2px) scale(1.02);
  box-shadow:0 16px 34px color-mix(in oklab,var(--coral) 40%,transparent);
}
.btn-sm{padding:.65rem 1.25rem;font-size:.875rem}
.btn-lg{padding:1rem 2rem;font-size:1rem}
.btn-block{width:100%}
@media (max-width:420px){.btn-lg{padding:1rem 1.25rem;font-size:.95rem}}
@media (prefers-reduced-motion:reduce){.btn:hover{transform:none}}

/* ---------- pílulas ---------- */
.pill{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.5rem 1.25rem;border-radius:999px;
  font-size:.875rem;font-weight:700;
  background:oklch(100% 0 0 / .8);
  border:1px solid color-mix(in oklab,var(--coral) 40%,transparent);
  color:var(--coral);
  box-shadow:var(--shadow-sm);
}
.pill svg{width:1rem;height:1rem}
.pill-rose{
  color:var(--rose);
  background:color-mix(in oklab,var(--rose-soft) 60%,transparent);
  border-color:color-mix(in oklab,var(--rose) 40%,transparent);
}
.pill-coral{
  color:var(--coral);
  background:color-mix(in oklab,var(--coral-soft) 40%,transparent);
  border-color:color-mix(in oklab,var(--coral) 40%,transparent);
}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:color-mix(in oklab,var(--yellow-soft) 70%,var(--bg));
}
.hero-inner{position:relative;z-index:1;padding-block:6rem;text-align:center}
@media (min-width:640px){.hero-inner{padding-block:8rem}}
.hero h1{
  margin-top:1.5rem;
  font-size:clamp(2.25rem,6.5vw,3.75rem);
  line-height:1.1;
}
.hero-sub{
  max-width:42rem;margin:1.5rem auto 0;
  font-size:1.125rem;line-height:1.7;color:var(--muted);
}
.hero-cta{margin-top:2.5rem;display:flex;justify-content:center}

/* formas flutuantes */
.blob,.square{position:absolute;pointer-events:none;opacity:.5;border-radius:999px;animation:float 6s ease-in-out infinite}
.square{border-radius:.9rem;opacity:.4}
.blob-a{left:5%;top:10%;width:24px;height:24px;background:var(--yellow)}
.blob-b{right:8%;top:12%;width:18px;height:18px;background:var(--lime);animation-delay:.8s}
.blob-c{left:12%;bottom:15%;width:14px;height:14px;background:var(--coral);animation-delay:1.5s}
.blob-d{right:5%;bottom:10%;width:22px;height:22px;background:var(--sky);animation-delay:.3s}
.blob-e{left:30%;top:25%;width:10px;height:10px;background:var(--rose);animation-delay:2s}
.blob-f{right:25%;bottom:20%;width:16px;height:16px;background:var(--lilac);animation-delay:1.2s}
.square-a{left:8%;bottom:25%;width:28px;height:28px;background:var(--orange);animation-delay:.7s}
.square-b{right:12%;top:35%;width:20px;height:20px;background:var(--mint);animation-delay:1.8s}

.hero-star,.deco-star,.card-star{position:absolute;pointer-events:none;fill:currentColor;stroke:none}
.hero-star-1{left:18%;top:18%;width:22px;height:22px;color:var(--peach);opacity:.5;animation:float 6s ease-in-out infinite}
.hero-star-2{right:18%;top:26%;width:16px;height:16px;color:var(--yellow);opacity:.55;animation:float 6s ease-in-out .9s infinite}
.hero-star-3{left:42%;bottom:12%;width:14px;height:14px;color:var(--lilac);opacity:.45;animation:float 6s ease-in-out 1.6s infinite}

/* no mobile as formas ficam longe do texto */
@media (max-width:639px){
  .blob-e,.blob-f,.square-b,.hero-star-1,.hero-star-2,.hero-star-3{display:none}
  .deco-star{display:none}
  .blob-a,.blob-b{top:4%}
  .blob-c,.blob-d{bottom:5%}
  .square-a{bottom:7%}
}

.deco-star{width:26px;height:26px;opacity:.35}
.deco-star-tr{right:6%;top:8%;color:var(--orange)}
.deco-star-tl{left:6%;top:10%;color:var(--lime)}
.deco-star-br{right:8%;bottom:10%;color:var(--coral)}

@keyframes float{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-12px)}
}
@media (prefers-reduced-motion:reduce){
  .blob,.square,.hero-star{animation:none}
}

/* ---------- blocos com imagem ---------- */
.split{display:grid;gap:3rem;align-items:center}
@media (min-width:900px){
  .split{grid-template-columns:1fr 1fr}
  .split-about{grid-template-columns:.8fr 1fr}
}
.figure{position:relative;margin:0}
.figure::before{
  content:"";position:absolute;inset:-1rem;z-index:0;
  border-radius:var(--r-figure);filter:blur(28px);
}
.figure-kids::before{background:linear-gradient(to top right,var(--yellow-soft),var(--lime-soft),var(--sky-soft))}
.figure-simoni::before{background:linear-gradient(to bottom right,var(--rose-soft),var(--peach-soft),var(--yellow-soft))}
.figure img{
  position:relative;z-index:1;width:100%;
  border-radius:var(--r-figure);
  box-shadow:var(--shadow-lg);
}
.figure-kids img{border:4px solid color-mix(in oklab,var(--yellow) 30%,transparent);background:var(--white)}
.figure-simoni img{border:4px solid oklch(100% 0 0 / .8);object-fit:cover;aspect-ratio:4/5}
.figure-simoni{max-width:30rem;margin-inline:auto}

#sobre h2{margin-top:1rem;font-size:clamp(1.75rem,4.5vw,2.25rem)}

/* ---------- grids de cards ---------- */
.grid{display:grid;gap:1.25rem;margin-top:3.5rem}
@media (min-width:640px){.grid-3,.grid-2{grid-template-columns:repeat(2,1fr)}}
@media (min-width:960px){.grid-3{grid-template-columns:repeat(3,1fr)}}
.cards-learn{gap:1.5rem}

.card{
  border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
@media (prefers-reduced-motion:reduce){.card:hover{transform:none}}

/* tons */
.tone-yellow{--tone:var(--yellow);--tone-soft:var(--yellow-soft)}
.tone-lime{--tone:var(--lime);--tone-soft:var(--lime-soft)}
.tone-sky{--tone:var(--sky);--tone-soft:var(--sky-soft)}
.tone-rose{--tone:var(--rose);--tone-soft:var(--rose-soft)}
.tone-lilac{--tone:var(--lilac);--tone-soft:var(--lilac-soft)}
.tone-mint{--tone:var(--mint);--tone-soft:var(--mint-soft)}
.tone-coral{--tone:var(--coral);--tone-soft:var(--coral-soft)}

/* "esse curso é para você" */
.card-check{
  display:flex;align-items:center;gap:1rem;
  padding:1.5rem;font-weight:700;
  background:var(--tone-soft);
  border:2px solid color-mix(in oklab,var(--tone) 40%,transparent);
}
.dot{
  display:flex;align-items:center;justify-content:center;flex:none;
  width:2.75rem;height:2.75rem;border-radius:999px;
  background:var(--tone);color:#fff;box-shadow:var(--shadow-sm);
}
.dot svg{width:1.25rem;height:1.25rem}

/* "o que você vai aprender" */
.card-learn{
  padding:1.75rem;
  background:var(--tone-soft);
  border:2px solid oklch(100% 0 0 / .8);
}
.tile{
  display:flex;align-items:center;justify-content:center;
  width:3.5rem;height:3.5rem;margin-bottom:1.25rem;
  border-radius:1rem;background:var(--tone);color:#fff;
  box-shadow:var(--shadow-sm);
}
.tile svg{width:1.5rem;height:1.5rem}
.card-learn p{font-size:1.125rem;font-weight:700;line-height:1.35}

/* benefícios */
.card-benefit{
  display:flex;align-items:flex-start;gap:1rem;padding:1.5rem;
  background:color-mix(in oklab,var(--tone-soft) 60%,transparent);
  box-shadow:inset 0 0 0 2px color-mix(in oklab,var(--tone) 30%,transparent);
}
.card-benefit .dot{width:3rem;height:3rem}
.card-benefit p{padding-top:.35rem;font-size:1.125rem;font-weight:700}

/* ---------- investimento ---------- */
.price-card{
  position:relative;overflow:hidden;text-align:center;
  padding:2.5rem 1.75rem;
  border-radius:var(--r-figure);
  border:4px solid oklch(100% 0 0 / .8);
  background:var(--white);
  box-shadow:var(--shadow-xl);
}
@media (min-width:480px){.price-card{padding:2.5rem}}
.card-star{width:20px;height:20px;opacity:.35}
.card-star-tr{right:1.5rem;top:1.5rem;color:var(--yellow)}
.card-star-bl{left:1.5rem;bottom:1.5rem;color:var(--lilac)}
.price-from{margin-top:1.5rem;color:var(--muted)}
.price-from s{font-weight:700}
.price{
  margin-top:.25rem;
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(3rem,12vw,3.75rem);line-height:1.05;
  letter-spacing:-.03em;color:var(--coral);
}
.price-note{margin-top:.25rem;font-size:.875rem;font-weight:700;color:var(--muted)}
.price-list{
  max-width:20rem;margin:2rem auto 0;
  display:grid;gap:.75rem;text-align:left;font-weight:700;
}
.price-list li{display:flex;align-items:center;gap:.75rem}
.price-list svg{width:1.25rem;height:1.25rem;color:var(--coral);flex:none}
.price-card .btn{margin-top:2.25rem}

/* ---------- FAQ ---------- */
.faq{margin-top:3rem;display:grid;gap:1rem}
.faq-item{
  border-radius:var(--r-card);
  border:2px solid oklch(100% 0 0 / .8);
  background:oklch(100% 0 0 / .7);
  box-shadow:var(--shadow-sm);
  padding:0 1.5rem;
}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:1.25rem 0;cursor:pointer;list-style:none;
  font-weight:700;font-size:1rem;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary svg{width:1rem;height:1rem;flex:none;color:var(--muted);transition:transform .2s ease}
.faq-item[open] summary svg{transform:rotate(180deg)}
.faq-answer{padding-bottom:1.25rem;color:var(--muted);line-height:1.7}
.faq-cta{margin-top:3rem}

/* ---------- rodapé ---------- */
.site-footer{
  border-top:2px solid color-mix(in oklab,var(--yellow) 30%,transparent);
  background:color-mix(in oklab,var(--yellow-soft) 30%,var(--bg));
}
.footer-inner{
  display:flex;flex-direction:column;align-items:center;gap:1rem;
  padding-block:3rem;text-align:center;
}
.footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem 1.5rem;font-size:.875rem;color:var(--muted)}
.footer-links a{text-decoration:none;transition:color .2s ease}
.footer-links a:hover{color:var(--coral)}
.copy{font-size:.875rem;color:var(--muted)}

/* ---------- CTA fixa no mobile ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  padding:.75rem 1rem calc(.75rem + env(safe-area-inset-bottom));
  background:oklch(100% 0 0 / .95);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-top:1px solid color-mix(in oklab,var(--line) 70%,transparent);
  box-shadow:0 -8px 24px oklch(38% .04 60 / .10);
  transform:translateY(110%);
  transition:transform .3s ease;
}
.sticky-cta.is-visible{transform:translateY(0)}
.sticky-inner{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  max-width:32rem;margin-inline:auto;
}
.sticky-price{font-size:.95rem;color:var(--muted)}
.sticky-price strong{font-family:var(--font-display);font-size:1.25rem;color:var(--coral)}
@media (min-width:640px){.sticky-cta{display:none}}

/* ---------- animação de entrada ---------- */
.reveal{opacity:0;transform:translateY(2rem);transition:opacity .7s ease-out,transform .7s ease-out}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
}