/* =========================================================
   Neureka — Academia do Cérebro · Landing
   Sistema visual: claro, espaçoso, espectro dos 6 volumes
   ========================================================= */

:root {
  /* Tinta / texto */
  --ink:        #122036;   /* navy profundo (do fundo da pág. atual) */
  --ink-soft:   #41506A;
  --ink-faint:  #6E7C92;

  /* Fundos */
  --paper:      #ffffff;
  --bg:         #f5f7fb;   /* cinza-azulado claro */
  --bg-2:       #eef2f8;
  --line:       #e4e9f1;
  --line-2:     #d7deea;

  /* Marca */
  --brand:      #1f4f8f;   /* azul ciência (mark Neureka) */
  --brand-deep: #122036;

  /* CTA — verde conversão */
  --go:         #14a34a;
  --go-deep:    #0f8a3e;
  --go-soft:    #e7f6ed;

  /* As 6 cores dos volumes (espectro) */
  --v1: #3f9b60;  /* verde   */
  --v2: #a51e76;  /* magenta */
  --v3: #eaa600;  /* amarelo */
  --v4: #4b2c8c;  /* roxo    */
  --v5: #2f5ba9;  /* azul    */
  --v6: #2a9bc4;  /* teal    */
  --v1-soft: #ecf6f0;
  --v2-soft: #f9ebf3;
  --v3-soft: #fdf4dd;
  --v4-soft: #efebf7;
  --v5-soft: #eaf0fa;
  --v6-soft: #e7f5fa;

  --amber-ink: #b07c00; /* texto sobre amarelo */

  /* Sombras */
  --sh-sm: 0 1px 2px rgba(18,32,54,.05), 0 2px 8px rgba(18,32,54,.05);
  --sh-md: 0 4px 14px rgba(18,32,54,.08), 0 12px 34px rgba(18,32,54,.07);
  --sh-lg: 0 10px 30px rgba(18,32,54,.12), 0 30px 70px rgba(18,32,54,.12);
  --sh-go: 0 8px 22px rgba(20,163,74,.30);

  /* Raio */
  --r-sm: 10px;
  --r:    16px;
  --r-lg: 24px;
  --r-xl: 32px;

  /* Layout */
  --wrap: 1180px;
  --gap: clamp(20px, 4vw, 40px);

  --spectrum: linear-gradient(90deg,
    #d6268c 0%, #b32a8f 26%, #7b3a9d 58%, #2a59ad 100%);

  --font-display: 'Bricolage Grotesque', system-ui, sans-serif;
  --font-body: 'Mulish', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 28px; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0;
  text-wrap: balance;
}

p { margin: 0; text-wrap: pretty; }
a { color: inherit; text-decoration: none; }

.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }

.section { padding: clamp(64px, 9vw, 120px) 0; }
.section--tight { padding: clamp(48px, 6vw, 80px) 0; }

/* Espectro fininho usado como detalhe de marca */
.spectrum-bar { height: 5px; width: 100%; background: var(--spectrum); border: 0; margin: 0; }

/* ---------- Eyebrow / kicker ---------- */
.kicker {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-body);
  font-weight: 800; font-size: .8rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--brand);
  background: var(--v5-soft);
  padding: 8px 15px; border-radius: 100px;
}
.kicker .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--spectrum); }

.section-head { max-width: 760px; margin: 0 auto clamp(40px,5vw,64px); text-align: center; }
.section-head h2 { font-size: clamp(2.1rem, 4.4vw, 3.3rem); margin-top: 18px; }
.section-head p { color: var(--ink-soft); font-size: 1.18rem; margin-top: 16px; }

/* =========================================================
   Botões
   ========================================================= */
.btn {
  --bw: 0;
  display: inline-flex; align-items: center; justify-content: center; gap: 11px;
  font-family: var(--font-body); font-weight: 800; font-size: 1.05rem;
  padding: 17px 30px; border-radius: 100px; border: var(--bw) solid transparent;
  cursor: pointer; transition: transform .18s ease, box-shadow .25s ease, background .2s ease, color .2s ease;
  text-align: center; line-height: 1;
}
.btn svg { width: 20px; height: 20px; flex: none; }
.btn--go {
  background: var(--go); color: #fff; box-shadow: var(--sh-go);
}
.btn--go:hover { background: var(--go-deep); transform: translateY(-2px); box-shadow: 0 12px 30px rgba(20,163,74,.40); }
.btn--lg { font-size: 1.18rem; padding: 21px 40px; }
.btn--ghost {
  background: #fff; color: var(--ink); --bw: 1.5px; border-color: var(--line-2); box-shadow: var(--sh-sm);
}
.btn--ghost:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-2px); }
.btn--block { display: flex; width: 100%; }

.pulse { position: relative; }
@media (prefers-reduced-motion: no-preference) {
  .pulse::after {
    content: ""; position: absolute; inset: 0; border-radius: inherit;
    box-shadow: 0 0 0 0 rgba(20,163,74,.45); animation: pulse 2.4s infinite;
  }
}
@keyframes pulse { 70% { box-shadow: 0 0 0 16px rgba(20,163,74,0); } 100% { box-shadow: 0 0 0 0 rgba(20,163,74,0);} }

/* =========================================================
   Nav
   ========================================================= */
.nav {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255,255,255,.82);
  backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, box-shadow .25s, background .25s;
}
.nav.scrolled { border-bottom-color: var(--line); box-shadow: var(--sh-sm); }
.nav__row { display: flex; align-items: center; gap: 24px; height: 76px; }
.brand { display: inline-flex; flex-direction: column; align-items: flex-start; gap: 3px; line-height: 1; }
.brand__logo { height: 38px; width: auto; display: block; }
.brand__tag { font-family: var(--font-body); font-weight: 800; font-size: .6rem; letter-spacing: .26em; text-transform: uppercase; color: var(--ink-faint); padding-left: 2px; }
.brand__logo--light { filter: brightness(0) invert(1); }
.brand--footer .brand__tag { color: rgba(255,255,255,.55); }
.nav__links { display: flex; gap: 30px; margin-left: auto; }
.nav__links a { font-weight: 700; font-size: 1rem; color: var(--ink-soft); transition: color .2s; }
.nav__links a:hover { color: var(--brand); }
.nav__cta { display: inline-flex; }
.nav .btn { padding: 12px 22px; font-size: .98rem; }
.nav__burger { display:none; }

@media (max-width: 900px) {
  .nav__links { display: none; }
}
@media (max-width: 560px) {
  .nav__cta .btn span { display:none; }
}

/* =========================================================
   Hero
   ========================================================= */
.hero { position: relative; overflow: clip; background: var(--bg); }
.hero::before {
  /* malha neural suave */
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 18% 12%, rgba(47,91,169,.10), transparent 38%),
    radial-gradient(circle at 86% 8%, rgba(42,155,196,.10), transparent 40%),
    radial-gradient(circle at 70% 88%, rgba(165,30,118,.07), transparent 42%);
  pointer-events: none;
}
.hero__dots { position:absolute; inset:0; opacity:.5; pointer-events:none;
  background-image: radial-gradient(rgba(31,79,143,.16) 1.4px, transparent 1.4px);
  background-size: 30px 30px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000, transparent 75%);
          mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000, transparent 75%);
}
.hero__inner { position: relative; padding: clamp(40px,6vw,72px) 0 clamp(40px,5vw,64px); text-align:center; }
.hero__brand { display: flex; flex-direction: column; align-items: center; gap: 14px; margin: 0 auto clamp(10px,1.6vw,18px); }
.hero__logo { display: inline-flex; }
.hero__logo img { height: clamp(48px, 6vw, 64px); width: auto; display: block; }
.hero__rule { width: 66px; height: 4px; border-radius: 100px; background: var(--spectrum); }
.hero__product {
  font-family: var(--font-display); font-weight: 800; letter-spacing: -0.025em;
  font-size: clamp(2.5rem, 6.6vw, 4.6rem); line-height: 1; color: var(--ink);
  margin: 0 auto clamp(20px,2.6vw,30px); text-wrap: balance;
}
.kicker__brain { display: inline-flex; }
.kicker__brain svg { width: 18px; height: 18px; color: var(--v2); }
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.6rem); margin: clamp(22px,2.6vw,32px) auto 0; max-width: 20ch;
  line-height: 1.12;
}
.hero h1 .grad {
  background: linear-gradient(95deg, #d6268c 0%, #b32a8f 26%, #7b3a9d 58%, #2a59ad 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero h1 .grad-mp {
  background: linear-gradient(95deg, #d6268c 0%, #7b3a9d 52%, #2a59ad 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero h1 .hl { position: relative; display: inline-block; padding-bottom: .12em; white-space: nowrap; }
.hero h1 .hl::after {
  content: ""; position: absolute; left: -1.5%; right: -1.5%; bottom: 0; height: .15em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 16' preserveAspectRatio='none'%3E%3Cpath d='M4 11 C 70 3 150 4 220 7 C 255 8.5 278 9 296 5' stroke='%23cf2487' stroke-width='5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") center/100% 100% no-repeat;
}
.hero h1 .hl::before {
  content: ""; position: absolute; right: -.62em; top: -.02em; width: .46em; height: .46em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23c0398f'%3E%3Cpath d='M12 0 C 13 7 17 11 24 12 C 17 13 13 17 12 24 C 11 17 7 13 0 12 C 7 11 11 7 12 0 Z'/%3E%3C/svg%3E") center/contain no-repeat;
}
.hero__sub { font-size: clamp(1.12rem, 2vw, 1.42rem); color: var(--ink-soft); max-width: 60ch; margin: 22px auto 0; }
.hero__cta { display:flex; gap: 16px; justify-content:center; flex-wrap: wrap; margin-top: 34px; }
.hero__trust { display:flex; gap: 26px; justify-content:center; flex-wrap: wrap; margin-top: 26px; color: var(--ink-soft); font-weight: 700; font-size: .98rem; }
.hero__trust span { display:inline-flex; align-items:center; gap: 8px; }
.stars { color: var(--v3); letter-spacing: 1px; }

/* Player de vídeo (placeholder) */
.video {
  position: relative; margin: clamp(40px,5vw,60px) auto 0; max-width: 940px;
  aspect-ratio: 16/9; border-radius: var(--r-lg); overflow: hidden;
  background:
    linear-gradient(180deg, #1a2c47, #0e1a2e);
  box-shadow: var(--sh-lg);
  border: 1px solid rgba(255,255,255,.08);
}
.video__grid { position:absolute; inset:0; opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 44px 44px; }
.video__label {
  position:absolute; left: 22px; top: 18px; color: rgba(255,255,255,.7);
  font-weight: 800; font-size: .76rem; letter-spacing: .14em; text-transform: uppercase;
  display:flex; align-items:center; gap:8px;
}
.video__play {
  position:absolute; inset:0; margin:auto; width: 96px; height: 96px; border-radius:50%;
  background: rgba(255,255,255,.95); border:0; cursor:pointer; display:grid; place-items:center;
  box-shadow: 0 10px 40px rgba(0,0,0,.4); transition: transform .2s ease, background .2s;
}
.video__play svg { width: 34px; height: 34px; color: var(--brand-deep); margin-left: 5px; }
.video__play:hover { transform: scale(1.07); background:#fff; }
@media (prefers-reduced-motion: no-preference) {
  .video__play::before { content:""; position:absolute; inset:0; border-radius:50%; box-shadow: 0 0 0 0 rgba(255,255,255,.5); animation: pulse-w 2.6s infinite; }
}
@keyframes pulse-w { 70%{ box-shadow: 0 0 0 28px rgba(255,255,255,0);} 100%{ box-shadow:0 0 0 0 rgba(255,255,255,0);} }
.video__cap { position:absolute; left:0; right:0; bottom:0; padding: 40px 24px 20px; color:#fff;
  background: linear-gradient(transparent, rgba(0,0,0,.55)); font-weight: 700; }

/* Faixa dos livros */
.books-strip { background: var(--paper); }
.books-strip__inner { text-align:center; }
.books-strip img { margin: 0 auto; width: min(100%, 1000px); }
.books-strip__cap { display:flex; gap: 30px; justify-content:center; flex-wrap:wrap; margin-top: 26px; }
.books-strip__cap b { font-family: var(--font-display); font-size: 1.7rem; color: var(--brand); display:block; }
.books-strip__cap span { color: var(--ink-faint); font-weight: 700; font-size: .92rem; }

/* =========================================================
   Benefícios
   ========================================================= */
.feat-grid { display:grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feat {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r);
  padding: 30px 26px; box-shadow: var(--sh-sm); transition: transform .22s, box-shadow .22s, border-color .22s;
}
.feat:hover { transform: translateY(-5px); box-shadow: var(--sh-md); border-color: var(--line-2); }
.feat__ic { width: 56px; height: 56px; border-radius: 15px; display:grid; place-items:center; margin-bottom: 18px; }
.feat__ic svg { width: 28px; height: 28px; }
.feat h3 { font-size: 1.28rem; }
.feat p { color: var(--ink-soft); margin-top: 9px; font-size: 1rem; }
@media (max-width: 920px){ .feat-grid { grid-template-columns: repeat(2,1fr);} }
@media (max-width: 520px){ .feat-grid { grid-template-columns: 1fr;} }

/* =========================================================
   Para quem é indicado
   ========================================================= */
.who { background: var(--bg); }
.who-grid { display:grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.who-card {
  position:relative; background: var(--paper); border-radius: var(--r-lg); overflow:hidden;
  border: 1px solid var(--line); box-shadow: var(--sh-sm); transition: transform .22s, box-shadow .22s;
}
.who-card:hover { transform: translateY(-6px); box-shadow: var(--sh-md); }
.who-card__top { aspect-ratio: 16/10; background: var(--bg-2); position:relative; display:grid; place-items:center; }
.who-card__body { padding: 26px 28px 30px; }
.who-card h3 { font-size: 1.45rem; }
.who-card p { color: var(--ink-soft); margin-top: 10px; }
.who-card .tag { display:inline-block; margin-bottom:14px; }
.tag {
  font-weight: 800; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase;
  padding: 7px 13px; border-radius: 100px; color:#fff;
}
@media (max-width: 880px){ .who-grid { grid-template-columns: 1fr; max-width: 460px; margin-inline:auto;} }

/* Placeholder de imagem */
.ph {
  position:absolute; inset:0; display:flex; flex-direction:column; align-items:center; justify-content:center; gap: 8px;
  color: var(--ink-faint); background:
    repeating-linear-gradient(45deg, rgba(110,124,146,.05) 0 12px, rgba(110,124,146,.09) 12px 24px);
  font-weight: 800; font-size: .82rem; letter-spacing: .04em; text-align:center; padding: 16px;
}
.ph svg { width: 34px; height: 34px; opacity:.6; }
.ph small { font-weight:700; opacity:.8; font-size: .72rem; }

/* =========================================================
   O que você treina (5 pilares)
   ========================================================= */
.pillars { display:grid; grid-template-columns: repeat(5,1fr); gap: 16px; }
.pillar {
  text-align:center; padding: 30px 16px; border-radius: var(--r); background: var(--paper);
  border: 1px solid var(--line); transition: transform .2s, box-shadow .2s;
}
.pillar:hover { transform: translateY(-5px); box-shadow: var(--sh-md); }
.pillar__ic { width: 60px; height: 60px; border-radius: 50%; margin: 0 auto 14px; display:grid; place-items:center; }
.pillar__ic svg { width: 30px; height: 30px; }
.pillar h4 { font-size: 1.12rem; }
.pillar p { font-size: .9rem; color: var(--ink-faint); margin-top: 6px; }
@media (max-width: 880px){ .pillars { grid-template-columns: repeat(2,1fr);} }
@media (max-width: 420px){ .pillars { grid-template-columns: 1fr;} }

/* =========================================================
   Volumes
   ========================================================= */
.vols { background: var(--bg); }
.vol-grid { display:grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.vol {
  --c: var(--brand);
  background: var(--paper); border-radius: var(--r-lg); overflow:hidden;
  border: 1px solid var(--line); box-shadow: var(--sh-sm);
  display:flex; flex-direction:column; transition: transform .22s, box-shadow .22s;
}
.vol:hover { transform: translateY(-6px); box-shadow: var(--sh-lg); }
.vol__top { height: 6px; background: var(--c); }
.vol__img { position: relative; padding: 22px 22px 6px; cursor: zoom-in; background:
  linear-gradient(180deg, color-mix(in srgb, var(--c) 8%, #fff), #fff); }
.vol__img img { width: 100%; transition: transform .3s ease; }
.vol__img:hover img, .vol__img:focus-visible img { transform: scale(1.03); }
.vol__img:focus-visible { outline: 3px solid var(--c); outline-offset: -3px; }
.vol__zoom {
  position: absolute; top: 16px; right: 16px; width: 40px; height: 40px; border-radius: 50%;
  background: color-mix(in srgb, var(--c) 88%, #000 12%); color: #fff; display: grid; place-items: center;
  opacity: 0; transform: scale(.82); transition: opacity .22s ease, transform .22s ease; box-shadow: var(--sh-md);
}
.vol__img:hover .vol__zoom, .vol__img:focus-visible .vol__zoom { opacity: 1; transform: scale(1); }
.vol__zoom svg { width: 20px; height: 20px; }
.vol__body { padding: 6px 26px 30px; display:flex; flex-direction:column; flex:1; }
.vol__meta { display:flex; align-items:center; gap: 10px; margin-bottom: 10px; }
.vol__num {
  font-family: var(--font-display); font-weight: 700; font-size: .82rem; letter-spacing:.06em;
  color:#fff; background: var(--c); padding: 5px 11px; border-radius: 8px;
}
.vol__count { font-weight: 800; font-size: .82rem; color: var(--c); letter-spacing:.04em; }
.vol h3 { font-size: 1.4rem; }
.vol__lvl { color: var(--ink-faint); font-weight:800; font-size:.78rem; letter-spacing:.1em; text-transform:uppercase; margin-top: 4px; }
.vol p { color: var(--ink-soft); margin-top: 12px; font-size: 1rem; flex:1; }
@media (max-width: 940px){ .vol-grid { grid-template-columns: repeat(2,1fr);} }
@media (max-width: 600px){ .vol-grid { grid-template-columns: 1fr; max-width: 420px; margin-inline:auto;} }

/* =========================================================
   Depoimentos
   ========================================================= */
.tst-grid { display:grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.tst {
  background: var(--paper); border:1px solid var(--line); border-radius: var(--r-lg);
  padding: 30px 30px 28px; box-shadow: var(--sh-sm); display:flex; flex-direction:column;
}
.tst .stars { font-size: 1.05rem; margin-bottom: 14px; }
.tst blockquote { margin:0; font-size: 1.1rem; line-height: 1.6; color: var(--ink); flex:1; }
.tst__who { display:flex; align-items:center; gap: 14px; margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--line); }
.tst__av { width: 52px; height: 52px; border-radius: 50%; flex:none; display:grid; place-items:center; font-family:var(--font-display); font-weight:700; color:#fff; font-size: 1.15rem; }
.tst__who b { display:block; font-size: 1rem; }
.tst__who span { color: var(--ink-faint); font-size: .9rem; font-weight: 700; }
@media (max-width: 880px){ .tst-grid { grid-template-columns: 1fr; max-width: 540px; margin-inline:auto;} }

/* =========================================================
   Garantia
   ========================================================= */
.guarantee { background: var(--brand-deep); color: #fff; position:relative; overflow:clip; }
.guarantee::before { content:""; position:absolute; inset:0; opacity:.5;
  background-image: radial-gradient(rgba(255,255,255,.10) 1.3px, transparent 1.3px); background-size: 30px 30px;
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 80% 50%, #000, transparent 75%);
          mask-image: radial-gradient(ellipse 70% 80% at 80% 50%, #000, transparent 75%);}
.guarantee__row { position:relative; display:flex; align-items:center; gap: clamp(28px,5vw,60px); }
.guarantee__seal { flex:none; width: clamp(120px,16vw,168px); filter: drop-shadow(0 10px 24px rgba(0,0,0,.4)); }
.guarantee h2 { color:#fff; font-size: clamp(1.9rem,3.6vw,2.8rem); }
.guarantee p { color: rgba(255,255,255,.8); margin-top: 14px; font-size: 1.15rem; max-width: 60ch; }
.guarantee .days { color: var(--v3); }
@media (max-width: 700px){ .guarantee__row { flex-direction:column; text-align:center; } }

/* =========================================================
   Oferta / preço
   ========================================================= */
.offer { background: var(--bg); }
.offer-card {
  max-width: 980px; margin-inline:auto; background: var(--paper); border-radius: var(--r-xl);
  box-shadow: var(--sh-lg); overflow: hidden; display:grid; grid-template-columns: 1.05fr .95fr;
  border: 1px solid var(--line);
}
.offer-card__left { padding: clamp(36px,4vw,52px); }
.offer-card__left h2 { font-size: clamp(1.8rem,3.2vw,2.5rem); }
.offer-list { list-style:none; margin: 26px 0 0; padding:0; display:grid; gap: 14px; }
.offer-list li { display:flex; align-items:center; gap: 13px; font-weight: 700; font-size: 1.08rem; }
.offer-list .ck { width: 28px; height:28px; border-radius:50%; background: var(--go-soft); color: var(--go); display:grid; place-items:center; flex:none; }
.offer-list .ck svg { width: 16px; height:16px; }
.offer-card__right {
  background: linear-gradient(170deg, #16294a, #0e1a2e); color:#fff; padding: clamp(36px,4vw,52px);
  display:flex; flex-direction:column; justify-content:center; text-align:center; position:relative; overflow:hidden;
}
.offer-card__right::before{ content:""; position:absolute; inset:0; opacity:.45;
  background-image: radial-gradient(rgba(255,255,255,.12) 1.2px, transparent 1.2px); background-size: 26px 26px;}
.offer-badge {
  position:relative; align-self:center; background: var(--spectrum); color:#fff; font-weight:800;
  font-size:.78rem; letter-spacing:.1em; text-transform:uppercase; padding: 8px 16px; border-radius:100px; margin-bottom: 18px;
}
.offer-from { position:relative; color: rgba(255,255,255,.6); font-size: 1.1rem; }
.offer-from s { text-decoration-thickness: 2px; }
.offer-price { position:relative; font-family: var(--font-display); font-weight:700; line-height:1; margin: 6px 0 4px; }
.offer-price .cur { font-size: 1.6rem; vertical-align: super; }
.offer-price .num { font-size: clamp(4rem,9vw,6rem); }
.offer-price .cents { font-size: 2rem; }
.offer-note { position:relative; color: rgba(255,255,255,.66); font-size: .92rem; }
.offer-card__right .btn { position:relative; margin-top: 26px; }
.pay-row { position:relative; display:flex; gap: 18px; justify-content:center; margin-top: 22px; color: rgba(255,255,255,.7); font-size:.8rem; font-weight:700; flex-wrap:wrap; }
.pay-row span { display:inline-flex; align-items:center; gap:7px; }
.pay-row svg { width: 16px; height:16px; }
@media (max-width: 760px){ .offer-card { grid-template-columns: 1fr; } }

/* =========================================================
   FAQ
   ========================================================= */
.faq-list { max-width: 820px; margin-inline:auto; display:grid; gap: 14px; }
.faq {
  background: var(--paper); border:1px solid var(--line); border-radius: var(--r);
  overflow:hidden; transition: box-shadow .2s, border-color .2s;
}
.faq[open] { box-shadow: var(--sh-md); border-color: var(--line-2); }
.faq summary {
  list-style:none; cursor:pointer; padding: 22px 26px; display:flex; align-items:center; gap: 16px;
  font-family: var(--font-display); font-weight: 700; font-size: 1.18rem; color: var(--ink);
}
.faq summary::-webkit-details-marker { display:none; }
.faq summary .q-ic {
  margin-left:auto; flex:none; width: 30px; height:30px; border-radius:50%; background: var(--bg-2);
  display:grid; place-items:center; transition: transform .25s, background .2s; color: var(--brand);
}
.faq[open] summary .q-ic { transform: rotate(45deg); background: var(--brand); color:#fff; }
.faq summary .q-ic svg { width:16px; height:16px; }
.faq__body { padding: 0 26px 24px 26px; color: var(--ink-soft); font-size: 1.05rem; }
.faq__body p + p { margin-top: 12px; }

/* =========================================================
   Sobre
   ========================================================= */
.about { background: var(--bg); }
.about__inner { display:grid; grid-template-columns: 1fr 1fr; gap: clamp(32px,5vw,64px); align-items:center; }
.about__inner--solo { grid-template-columns: 1fr; max-width: 760px; margin-inline:auto; text-align:center; }
.about__inner--solo .about__stats { justify-content:center; }
.about h2 { font-size: clamp(2rem,3.6vw,2.8rem); }
.about p { color: var(--ink-soft); margin-top: 18px; font-size: 1.12rem; }
.about__stats { display:flex; gap: 36px; margin-top: 30px; flex-wrap:wrap; }
.about__stats b { font-family:var(--font-display); font-size: 2.4rem; color: var(--brand); display:block; line-height:1; }
.about__stats span { font-weight:700; color: var(--ink-faint); font-size: .92rem; }
.about__visual { aspect-ratio: 4/3; border-radius: var(--r-lg); position:relative; background: var(--paper); border:1px solid var(--line); overflow:hidden; box-shadow: var(--sh-md); }
@media (max-width: 820px){ .about__inner { grid-template-columns: 1fr; } }

/* =========================================================
   CTA final band
   ========================================================= */
.final {
  background: var(--brand-deep); color:#fff; text-align:center; position:relative; overflow:clip;
}
.final::before{ content:""; position:absolute; inset:0; opacity:.5;
  background-image: radial-gradient(rgba(255,255,255,.1) 1.3px, transparent 1.3px); background-size: 30px 30px;
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 40%, #000, transparent 72%);
          mask-image: radial-gradient(ellipse 70% 70% at 50% 40%, #000, transparent 72%);}
.final h2 { position:relative; color:#fff; font-size: clamp(2.1rem,4.6vw,3.4rem); max-width: 18ch; margin-inline:auto; }
.final p { position:relative; color: rgba(255,255,255,.8); font-size: 1.2rem; margin: 18px auto 0; max-width: 52ch; }
.final .btn { position:relative; margin-top: 32px; }

/* =========================================================
   Footer
   ========================================================= */
.footer { background: #0c1626; color: rgba(255,255,255,.7); padding: 60px 0 36px; }
.footer__top { display:flex; justify-content:space-between; gap: 36px; flex-wrap:wrap; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer .brand { color:#fff; }
.footer__cols { display:flex; gap: 60px; flex-wrap:wrap; }
.footer__col h5 { color:#fff; font-family:var(--font-display); font-size: .95rem; letter-spacing:.04em; margin:0 0 14px; }
.footer__col a { display:block; color: rgba(255,255,255,.62); font-size:.95rem; padding: 5px 0; transition: color .2s; }
.footer__col a:hover { color:#fff; }
.footer__legal { padding-top: 28px; font-size: .82rem; color: rgba(255,255,255,.45); line-height:1.7; }
.footer__legal p + p { margin-top: 10px; }

/* =========================================================
   Sticky CTA (mobile)
   ========================================================= */
.sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 70; padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: rgba(255,255,255,.94); backdrop-filter: blur(12px); border-top:1px solid var(--line);
  display:none; transform: translateY(120%); transition: transform .3s ease; box-shadow: 0 -6px 24px rgba(18,32,54,.1);
}
.sticky-cta.show { transform: translateY(0); }
.sticky-cta .inner { display:flex; align-items:center; gap: 14px; max-width: 560px; margin-inline:auto; }
.sticky-cta .price { font-family:var(--font-display); font-weight:700; line-height:1; }
.sticky-cta .price s { font-size:.78rem; color: var(--ink-faint); font-weight:600; }
.sticky-cta .price b { display:block; font-size: 1.35rem; color: var(--ink); }
.sticky-cta .btn { flex:1; padding: 15px 18px; }
@media (max-width: 760px){ .sticky-cta { display:block; } }

/* =========================================================
   Reveal on scroll
   ========================================================= */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
  .reveal.in { opacity: 1; transform: none; }
  .reveal[data-d="1"]{ transition-delay:.08s; }
  .reveal[data-d="2"]{ transition-delay:.16s; }
  .reveal[data-d="3"]{ transition-delay:.24s; }
  .reveal[data-d="4"]{ transition-delay:.32s; }
}

/* =========================================================
   Lightbox (ampliar volumes)
   ========================================================= */
.lightbox {
  position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center;
  padding: clamp(20px, 5vw, 56px); background: rgba(10,16,28,.86); backdrop-filter: blur(10px);
  opacity: 0; visibility: hidden; transition: opacity .28s ease, visibility .28s ease;
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox__fig { margin: 0; display: flex; flex-direction: column; align-items: center; gap: 16px; }
.lightbox img {
  max-width: min(94vw, 1080px); max-height: 84vh; width: auto; height: auto;
  background: #fff; padding: clamp(14px, 2.4vw, 30px);
  border-radius: 14px; box-shadow: 0 30px 90px rgba(0,0,0,.55);
  transform: scale(.94); transition: transform .28s cubic-bezier(.2,.7,.2,1);
}
.lightbox.open img { transform: scale(1); }
.lightbox__cap {
  color: rgba(255,255,255,.9); font-weight: 700; font-size: 1rem; text-align: center; max-width: 60ch;
  transform: translateY(8px); opacity: 0; transition: opacity .3s ease .08s, transform .3s ease .08s;
}
.lightbox.open .lightbox__cap { opacity: 1; transform: none; }
.lightbox__close {
  position: absolute; top: clamp(16px,3vw,28px); right: clamp(16px,3vw,28px);
  width: 50px; height: 50px; border-radius: 50%; border: 0; cursor: pointer;
  background: rgba(255,255,255,.14); color: #fff; display: grid; place-items: center; transition: background .2s, transform .2s;
}
.lightbox__close:hover { background: rgba(255,255,255,.28); transform: rotate(90deg); }
.lightbox__close svg { width: 22px; height: 22px; }
