/* ═══════════════════════════════════════════════════════════
   NINOLETA STORE — "camada por camada"
   ═══════════════════════════════════════════════════════════ */

@font-face {
  font-family: 'Fraunces';
  src: url('../fonts/fraunces.woff2') format('woff2');
  font-weight: 300 700; font-display: swap;
}
@font-face {
  font-family: 'Nunito';
  src: url('../fonts/nunito.woff2') format('woff2');
  font-weight: 300 800; font-display: swap;
}

:root {
  --creme: #faf3ea;
  --creme-2: #f4e7d8;
  --creme-3: #efdcc8;
  --terracota: #d4694f;
  --terracota-esc: #b8543c;
  --rosa: #e0a89a;
  --salvia: #96a67d;
  --azul: #7fa0c0;
  --mostarda: #e8a640;
  --marinho: #2e3348;
  --marinho-2: #3b4260;
  --texto: #4c4a58;
  --branco: #fff;
  --wa: #25d366;
  --display: 'Fraunces', Georgia, serif;
  --sans: 'Nunito', system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

body {
  background: var(--creme);
  color: var(--texto);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
body.travado { overflow: hidden; }
main { overflow-x: clip; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
::selection { background: var(--rosa); color: var(--marinho); }

/* ── tipos ── */
.kicker {
  font-size: .74rem; font-weight: 700; letter-spacing: .22em; text-transform: uppercase;
  color: var(--terracota); display: inline-flex; align-items: center; gap: 12px;
}
.kicker::before { content: ''; width: 30px; height: 2px; background: currentColor; border-radius: 2px; }
.kicker.k-claro { color: var(--creme-2); }
.centro-k { justify-content: center; }
.sec-h2 {
  font-family: var(--display); font-weight: 300;
  font-size: clamp(2.3rem, 5.4vw, 4.4rem); line-height: 1.04;
  color: var(--marinho); letter-spacing: -.02em; margin-top: 16px;
}
.sec-h2 em { font-style: italic; font-weight: 500; color: var(--terracota); }
.sec-h2.claro { color: var(--creme); }
.sec-h2.claro em { color: var(--rosa); }
.sec-h2.gigante { font-size: clamp(2.8rem, 8vw, 6rem); }
.sec-sub { max-width: 54ch; margin-top: 20px; }
.sec-sub.claro { color: var(--creme-2); }
.sec-head { max-width: 1280px; margin: 0 auto clamp(40px, 6vw, 72px); position: relative; z-index: 2; }
.sec-head.centro { text-align: center; }
.sec-head.centro .kicker { justify-content: center; }
.sec-head.centro .sec-sub { margin-inline: auto; }

.btn {
  display: inline-block; font-family: var(--sans); font-weight: 800;
  font-size: .88rem; letter-spacing: .06em;
  color: var(--creme); background: var(--terracota);
  padding: 17px 34px; border-radius: 100px; text-decoration: none;
  box-shadow: 0 10px 24px rgba(212,105,79,.28);
  transition: transform .25s cubic-bezier(.34,1.56,.64,1), background .25s, box-shadow .25s;
}
.btn:hover { transform: translateY(-3px) scale(1.03); background: var(--terracota-esc); box-shadow: 0 16px 30px rgba(212,105,79,.34); }
.btn-claro { background: var(--creme); color: var(--marinho); box-shadow: 0 10px 24px rgba(0,0,0,.18); }
.btn-claro:hover { background: var(--branco); }
.btn-grande { font-size: 1rem; padding: 21px 46px; }
.btn-linha {
  display: inline-block; font-weight: 800; font-size: .88rem; text-decoration: none;
  color: var(--marinho); border-bottom: 2px solid var(--rosa); padding-bottom: 3px;
  transition: color .25s, border-color .25s;
}
.btn-linha:hover { color: var(--terracota); border-color: var(--terracota); }
.btn-linha.claro { color: var(--creme); }

/* ═══════════ PEÇAS FLUTUANTES (profundidade) ═══════════ */
.flutuantes { position: absolute; inset: 0; pointer-events: none; z-index: 1; overflow: hidden; }
.flut {
  position: absolute;
  left: var(--x); top: var(--y);
  width: var(--t); height: auto;
  will-change: transform;
  /* o desfoque e a opacidade são definidos pelo JS conforme a profundidade */
}

/* ═══════════ PRELOADER ═══════════ */
#preloader {
  position: fixed; inset: 0; z-index: 300; background: var(--creme);
  display: flex; align-items: center; justify-content: center;
}
.pre-in { text-align: center; }
.pre-peca { position: relative; width: 150px; margin: 0 auto; }
.pre-peca img { width: 150px; height: auto; }
.pre-bico {
  position: absolute; left: -14px; right: -14px; height: 3px;
  background: linear-gradient(90deg, transparent, var(--terracota) 20%, var(--terracota) 80%, transparent);
  border-radius: 3px; top: 100%;
  box-shadow: 0 0 14px rgba(212,105,79,.6);
}
.pre-txt {
  font-size: .78rem; font-weight: 700; letter-spacing: .3em; text-transform: uppercase;
  color: var(--marinho); margin-top: 26px;
}
.pre-txt .pre-pct { margin-left: .6em; color: var(--terracota); }
.pre-camadas { width: 170px; height: 3px; background: rgba(46,51,72,.14); border-radius: 3px; margin: 16px auto 0; overflow: hidden; }
.pre-camadas span { display: block; height: 100%; width: 0; background: var(--terracota); }

/* ═══════════ CURSOR ═══════════ */
#cursor { position: fixed; left: 0; top: 0; z-index: 250; pointer-events: none; display: none; mix-blend-mode: difference; }
@media (pointer: fine) {
  #cursor { display: block; }
  body.tem-cursor, body.tem-cursor a, body.tem-cursor button, body.tem-cursor summary, body.tem-cursor input { cursor: none; }
}
.cur-p, .cur-a { position: absolute; border-radius: 50%; transform: translate(-50%,-50%); }
.cur-p { width: 8px; height: 8px; background: #fff; }
.cur-a { width: 36px; height: 36px; border: 2px solid rgba(255,255,255,.9); transition: width .3s, height .3s, background .3s; }
#cursor.ativo .cur-a { width: 70px; height: 70px; background: rgba(255,255,255,.3); border-color: transparent; }
#cursor.ativo .cur-p { opacity: 0; }

/* ═══════════ TOPO ═══════════ */
#topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 160;
  display: flex; align-items: center; gap: 28px;
  padding: 14px clamp(16px, 4vw, 52px);
  transition: background .4s, box-shadow .4s, padding .4s;
}
#topbar.solido {
  background: rgba(250,243,234,.92); backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(46,51,72,.07); padding-block: 8px;
}
/* sobre o vídeo do topo (escuro) o menu é claro; depois do hero, vira escuro */
.tb-logo img {
  width: clamp(120px, 13vw, 168px); height: auto;
  filter: brightness(0) invert(1); transition: filter .4s;
}
#topbar.solido .tb-logo img { filter: none; }
.tb-nav { display: flex; gap: clamp(16px, 2vw, 28px); margin-left: auto; }
.tb-nav a {
  font-size: .88rem; font-weight: 600; text-decoration: none; color: var(--creme);
  position: relative; padding: 4px 0; transition: color .4s;
  text-shadow: 0 1px 10px rgba(46,51,72,.5);
}
#topbar.solido .tb-nav a { color: var(--marinho); text-shadow: none; }
.tb-nav a::after {
  content: ''; position: absolute; left: 0; bottom: 0; width: 100%; height: 2px; border-radius: 2px;
  background: var(--terracota); transform: scaleX(0); transform-origin: right;
  transition: transform .35s cubic-bezier(.4,0,.2,1);
}
.tb-nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.tb-cta {
  font-size: .82rem; font-weight: 800; text-decoration: none;
  color: var(--marinho); background: var(--creme);
  padding: 12px 24px; border-radius: 100px;
  transition: background .3s, color .3s, transform .3s;
}
#topbar.solido .tb-cta { background: var(--marinho); color: var(--creme); }
.tb-cta:hover { background: var(--terracota); color: var(--creme); transform: translateY(-2px); }
#menu-btn { display: none; }

#menu-overlay {
  position: fixed; inset: 0; z-index: 140; background: var(--marinho);
  display: flex; align-items: center; justify-content: center;
  clip-path: circle(0% at calc(100% - 44px) 40px);
  transition: clip-path .75s cubic-bezier(.76,0,.24,1);
}
#menu-overlay.aberto { clip-path: circle(150% at calc(100% - 44px) 40px); }
#menu-overlay nav { display: flex; flex-direction: column; gap: 2px; width: 100%; max-width: 440px; padding: 20px; }
#menu-overlay nav a {
  font-family: var(--display); font-weight: 300; font-size: clamp(1.7rem, 7vw, 2.4rem);
  color: var(--creme); text-decoration: none; padding: 10px 0; opacity: 0;
  border-bottom: 1px solid rgba(250,243,234,.13);
}
#menu-overlay nav a:hover { color: var(--rosa); }
#menu-overlay .mo-cta {
  font-family: var(--sans); font-weight: 800; font-size: .95rem; text-align: center;
  background: var(--terracota); color: var(--creme); border: 0;
  border-radius: 100px; padding: 16px; margin-top: 22px;
}

/* ═══════════ HERO ═══════════ */
#hero-track { height: 520vh; position: relative; }
#hero-sticky { position: sticky; top: 0; height: 100vh; height: 100dvh; overflow: hidden; background: var(--marinho); }
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-veu {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(105deg, rgba(46,51,72,.82) 0%, rgba(46,51,72,.5) 42%, rgba(46,51,72,.12) 70%);
}
.hero-cap {
  position: absolute; inset: 0; z-index: 3;
  display: flex; flex-direction: column; justify-content: center;
  padding: 0 clamp(20px, 6vw, 96px);
  max-width: 900px; opacity: 0; pointer-events: none;
}
.hero-cap h1, .hero-cap h2 {
  font-family: var(--display); font-weight: 300;
  font-size: clamp(2.6rem, 6.6vw, 5.6rem); line-height: 1.02;
  color: var(--creme); letter-spacing: -.02em; margin-top: 18px;
}
.hero-cap h1 em, .hero-cap h2 em { font-style: italic; font-weight: 500; color: var(--rosa); }
.hero-sub { color: var(--creme-2); max-width: 44ch; margin-top: 22px; font-size: 1.05rem; }
.cap-final { font-size: clamp(3rem, 8vw, 6.4rem) !important; }
.cap-btns { display: flex; align-items: center; gap: 26px; margin-top: 34px; flex-wrap: wrap; }
#cap-4 { pointer-events: none; }
#cap-4.ativa { pointer-events: auto; }
.hero-rolar {
  margin-top: 44px; font-size: .72rem; font-weight: 700; letter-spacing: .24em;
  text-transform: uppercase; color: var(--creme-2);
  display: flex; align-items: center; gap: 14px;
}
.hero-rolar span { width: 46px; height: 2px; background: var(--rosa); border-radius: 2px; animation: puxa 1.8s ease-in-out infinite; }
@keyframes puxa { 0%,100% { transform: scaleX(.3); transform-origin: left; } 50% { transform: scaleX(1); transform-origin: left; } }

.hero-barra { position: absolute; left: clamp(20px, 6vw, 96px); right: clamp(20px, 6vw, 96px); bottom: 30px; z-index: 4; }
.hb-trilho { height: 3px; background: rgba(250,243,234,.2); border-radius: 3px; overflow: hidden; }
.hb-trilho span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--rosa), var(--terracota)); }
.hb-txt { font-size: .68rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--creme-2); margin-top: 10px; }

/* ═══════════ FAIXA ═══════════ */
.faixa { background: var(--terracota); padding: 16px 0; overflow: hidden; position: relative; z-index: 5; }
.faixa-track { display: flex; white-space: nowrap; width: max-content; animation: anda 30s linear infinite; }
.faixa-track span {
  font-family: var(--display); font-style: italic; font-weight: 300;
  font-size: clamp(1.1rem, 2.2vw, 1.6rem); color: var(--creme); padding: 0 20px;
}
.faixa-track i { color: var(--creme-2); font-style: normal; align-self: center; opacity: .7; }
@keyframes anda { to { transform: translateX(-50%); } }

/* ═══════════ SEÇÕES ═══════════ */
section { padding: clamp(80px, 11vw, 150px) clamp(18px, 4vw, 52px); position: relative; scroll-margin-top: 92px; }
#hero { padding: 0; }

/* ── PERSONALIZADOR ── */
#nome { background: var(--creme-2); overflow: hidden; }
.nome-caixa { max-width: 560px; margin: 0 auto; text-align: center; position: relative; z-index: 3; }
.nome-label { display: block; font-size: .74rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--marinho); opacity: .6; }
.nome-campo {
  display: flex; align-items: center; gap: 10px; margin-top: 12px;
  background: var(--branco); border-radius: 100px; padding: 8px 8px 8px 26px;
  box-shadow: 0 14px 34px rgba(46,51,72,.1);
}
#nome-input {
  flex: 1; border: 0; outline: none; background: none;
  font-family: var(--display); font-size: clamp(1.5rem, 4vw, 2.2rem); font-weight: 500;
  color: var(--marinho); text-transform: uppercase; letter-spacing: .06em; min-width: 0;
}
#nome-limpar {
  border: 0; background: var(--creme-2); color: var(--marinho); cursor: pointer;
  font-family: var(--sans); font-size: .76rem; font-weight: 700; letter-spacing: .1em;
  padding: 12px 20px; border-radius: 100px; transition: background .25s, color .25s;
}
#nome-limpar:hover { background: var(--terracota); color: var(--creme); }
.nome-dica { font-size: .78rem; margin-top: 12px; opacity: .6; }

.nome-palco {
  display: flex; align-items: flex-start; justify-content: center; flex-wrap: wrap;
  gap: clamp(2px, .6vw, 10px);
  min-height: clamp(200px, 30vw, 330px);
  margin: clamp(26px, 4vw, 46px) auto 0; max-width: 1200px;
  position: relative; z-index: 3;
  perspective: 900px;
}
.nome-letra {
  height: clamp(150px, 22vw, 280px); width: auto; /* o JS ajusta conforme o tamanho do nome */
  filter: drop-shadow(0 18px 22px rgba(46,51,72,.22));
  transform-origin: 50% 6%;
  will-change: transform;
}
.nome-vazio { font-family: var(--display); font-style: italic; font-size: 1.4rem; color: var(--marinho); opacity: .4; align-self: center; }
.nome-acao { text-align: center; margin-top: clamp(26px, 4vw, 44px); position: relative; z-index: 3; }
.nome-obs { font-size: .84rem; margin-top: 14px; opacity: .7; }

/* ── COLEÇÕES ── */
#colecoes { background: var(--creme); overflow: hidden; }
.col-grid {
  list-style: none; display: grid; grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2vw, 28px); max-width: 1280px; margin: 0 auto; position: relative; z-index: 2;
}
.col-card {
  background: var(--branco); border-radius: 28px; padding: clamp(24px, 2.6vw, 38px);
  position: relative; overflow: hidden; isolation: isolate;
  box-shadow: 0 10px 30px rgba(46,51,72,.07);
  transition: transform .45s cubic-bezier(.2,.8,.2,1), box-shadow .45s;
}
.col-card::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: var(--cor); opacity: 0; transition: opacity .45s;
}
.col-card:hover { transform: translateY(-10px); box-shadow: 0 26px 50px rgba(46,51,72,.14); }
.col-card:hover::before { opacity: .1; }
.col-num { font-size: .74rem; font-weight: 800; letter-spacing: .2em; color: var(--cor); }
.col-card img {
  height: clamp(120px, 14vw, 180px); width: auto; margin: 18px 0 22px;
  object-fit: contain; transition: transform .5s cubic-bezier(.34,1.56,.64,1);
}
.col-card:hover img { transform: translateY(-6px) rotate(-4deg) scale(1.06); }
.col-card h3 { font-family: var(--display); font-weight: 500; font-size: clamp(1.3rem, 2vw, 1.6rem); color: var(--marinho); line-height: 1.2; }
.col-card p { font-size: .95rem; margin-top: 10px; }

/* ── COMO NASCE (rolagem horizontal) ── */
#como { background: var(--marinho); padding: 0; overflow: hidden; }
.como-pin { height: 100vh; height: 100dvh; display: flex; flex-direction: column; justify-content: center; gap: clamp(24px, 4vw, 48px); }
.como-cabeca { padding: 0 clamp(18px, 4vw, 52px); }
.como-track { display: flex; gap: clamp(16px, 2vw, 30px); padding-inline: clamp(18px, 4vw, 52px); width: max-content; }
.passo {
  width: clamp(260px, 30vw, 380px); flex: 0 0 auto;
  background: rgba(250,243,234,.06); border: 1px solid rgba(250,243,234,.14);
  border-radius: 26px; padding: clamp(24px, 2.4vw, 36px);
  display: flex; flex-direction: column; gap: 12px;
}
.passo-n { font-family: var(--display); font-size: 2.6rem; font-weight: 300; color: var(--rosa); line-height: 1; }
.passo h3 { font-family: var(--display); font-weight: 500; font-size: 1.5rem; color: var(--creme); }
.passo p { color: var(--creme-2); font-size: .96rem; opacity: .9; }
.passo-cta { background: var(--terracota); border-color: transparent; justify-content: center; }
.passo-cta h3 { font-size: 1.9rem; }
.passo-cta p { color: var(--creme); }
.passo-cta .btn { background: var(--creme); color: var(--marinho); align-self: flex-start; margin-top: 8px; box-shadow: none; }

/* ── VITRINE ── */
#vitrine { background: var(--creme-2); overflow: hidden; }
.vit-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 210px;
  gap: clamp(10px, 1.4vw, 18px); max-width: 1280px; margin: 0 auto; position: relative; z-index: 2;
}
.vit { position: relative; border-radius: 22px; overflow: hidden; background: var(--branco); }
.vit img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2,.8,.2,1); }
.vit:hover img { transform: scale(1.07); }
.vit figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 18px 14px;
  font-size: .84rem; font-weight: 700; color: var(--creme);
  background: linear-gradient(transparent, rgba(46,51,72,.75));
  opacity: 0; transform: translateY(8px); transition: opacity .35s, transform .35s;
}
.vit:hover figcaption { opacity: 1; transform: none; }
.v-alta { grid-row: span 2; }
.v-larga { grid-column: span 2; }

/* ── ENCOMENDAS ── */
#encomendas { background: var(--salvia); overflow: hidden; }
.enc-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(30px, 5vw, 70px); max-width: 1280px; margin: 0 auto; align-items: center; }
#encomendas .kicker.k-claro { color: var(--creme); }
.enc-lista { list-style: none; margin: 32px 0 36px; }
.enc-lista li { color: var(--creme); padding: 13px 0; border-top: 1px solid rgba(250,243,234,.28); }
.enc-lista li:last-child { border-bottom: 1px solid rgba(250,243,234,.28); }
.enc-lista b { font-weight: 800; }
.enc-pecas { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.enc-pecas .ep {
  width: 100%; height: clamp(110px, 13vw, 170px); object-fit: contain;
  filter: drop-shadow(0 16px 20px rgba(46,51,72,.25));
  will-change: transform;
}

/* ── DÚVIDAS ── */
#duvidas { background: var(--creme); overflow: hidden; }
.duv-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(30px, 5vw, 76px); max-width: 1280px; margin: 0 auto; align-items: start; position: relative; z-index: 2; }
.duv-lista details { border-top: 1px solid rgba(46,51,72,.14); }
.duv-lista details:last-child { border-bottom: 1px solid rgba(46,51,72,.14); }
.duv-lista summary {
  list-style: none; cursor: pointer; padding: 22px 44px 22px 0; position: relative;
  font-family: var(--display); font-weight: 500; font-size: clamp(1.14rem, 1.9vw, 1.4rem);
  color: var(--marinho); line-height: 1.3;
}
.duv-lista summary::-webkit-details-marker { display: none; }
.duv-lista summary::after {
  content: ''; position: absolute; right: 8px; top: 50%; width: 16px; height: 16px;
  background:
    linear-gradient(var(--terracota),var(--terracota)) center/16px 2px no-repeat,
    linear-gradient(var(--terracota),var(--terracota)) center/2px 16px no-repeat;
  transform: translateY(-50%); transition: transform .35s;
}
.duv-lista details[open] summary::after { transform: translateY(-50%) rotate(135deg); }
.duv-lista details p { padding: 0 44px 24px 0; max-width: 62ch; }

/* ── CONTATO ── */
#contato { background: var(--creme-2); text-align: center; overflow: hidden; }
.cont-in { max-width: 900px; margin: 0 auto; position: relative; z-index: 2; }
.cont-btns { display: flex; align-items: center; justify-content: center; gap: 26px; margin-top: 38px; flex-wrap: wrap; }
.cont-dados { margin-top: 54px; display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 18px; text-align: left; }
.cont-dados div { border-top: 2px solid rgba(46,51,72,.12); padding-top: 14px; }
.cont-dados dt { font-size: .7rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--terracota); }
.cont-dados dd { margin-top: 4px; font-weight: 600; color: var(--marinho); }
.cont-dados a { text-decoration: none; border-bottom: 1px solid transparent; transition: border-color .3s, color .3s; }
.cont-dados a:hover { color: var(--terracota); border-color: var(--terracota); }

/* ═══════════ RODAPÉ ═══════════ */
#rodape { background: var(--marinho); color: var(--creme); text-align: center; padding: clamp(56px, 7vw, 84px) 20px 32px; }
.rd-logo { width: 190px; margin: 0 auto; filter: brightness(0) invert(1) opacity(.92); }
.rd-frase { font-family: var(--display); font-style: italic; font-size: clamp(1.1rem, 2.2vw, 1.5rem); color: var(--rosa); margin-top: 18px; }
.rd-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 30px; font-size: .9rem; }
.rd-links a { text-decoration: none; opacity: .85; }
.rd-links a:hover { color: var(--rosa); opacity: 1; }
.rd-links span { opacity: .35; }
.rd-cnpj { font-size: .82rem; opacity: .6; margin-top: 28px; }
.rd-credito { font-size: .82rem; opacity: .75; margin-top: 8px; }
.rd-credito a { color: var(--rosa); }

/* ═══════════ FLUTUANTES DE UI ═══════════ */
#wa-flutuante {
  position: fixed; right: 18px; bottom: 18px; z-index: 120;
  display: flex; align-items: center; gap: 10px;
  background: var(--wa); color: #fff; text-decoration: none;
  font-size: .8rem; font-weight: 800;
  padding: 15px 22px; border-radius: 100px;
  box-shadow: 0 12px 30px rgba(37,211,102,.35);
  transition: transform .3s;
}
#wa-flutuante:hover { transform: translateY(-3px) scale(1.03); }
#topo-btn {
  position: fixed; right: 18px; bottom: 84px; z-index: 120;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--branco); color: var(--marinho); border: 0; cursor: pointer; font-size: 1.1rem;
  box-shadow: 0 8px 20px rgba(46,51,72,.16);
  opacity: 0; pointer-events: none; transform: translateY(8px);
  transition: opacity .3s, transform .3s, background .3s, color .3s;
}
#topo-btn.visivel { opacity: 1; pointer-events: auto; transform: none; }
#topo-btn:hover { background: var(--marinho); color: var(--creme); }

/* estados iniciais (só com JS) */
html.js [data-anim] { opacity: 0; }
html.js [data-card], html.js [data-vit] { opacity: 0; }
html.js.rm [data-anim], html.js.rm [data-card], html.js.rm [data-vit] { opacity: 1; }

/* ═══════════ MOBILE ═══════════ */
@media (max-width: 1000px) {
  .col-grid { grid-template-columns: repeat(2, 1fr); }
  .duv-grid, .enc-grid { grid-template-columns: 1fr; }
  .vit-grid { grid-template-columns: repeat(3, 1fr); grid-auto-rows: 180px; }
}
@media (max-width: 820px) {
  body { font-size: 16px; }
  .tb-nav, .tb-cta { display: none; }
  #menu-btn {
    display: flex; flex-direction: column; justify-content: center; gap: 7px;
    margin-left: auto; width: 44px; height: 44px; background: none; border: 0; cursor: pointer;
    position: relative; z-index: 150;
  }
  #menu-btn span { display: block; width: 26px; height: 2px; border-radius: 2px; background: var(--creme); transition: transform .3s, background .3s; }
  #topbar.solido #menu-btn span { background: var(--marinho); }
  #menu-btn.aberto span { background: var(--creme); }
  #menu-btn.aberto span:nth-child(1) { transform: translateY(4.5px) rotate(45deg); }
  #menu-btn.aberto span:nth-child(2) { transform: translateY(-4.5px) rotate(-45deg); }
  #topbar.menu-aberto { background: transparent; box-shadow: none; }
  #topbar.menu-aberto .tb-logo img { filter: brightness(0) invert(1); }

  #hero-track { height: 420vh; }
  .hero-veu { background: linear-gradient(180deg, rgba(46,51,72,.86) 0%, rgba(46,51,72,.55) 55%, rgba(46,51,72,.3) 100%); }
  .hero-cap { justify-content: flex-start; padding-top: 22vh; }
  .cap-btns { gap: 16px; }

  .col-grid { grid-template-columns: 1fr; }
  .col-card { display: grid; grid-template-columns: auto 1fr; grid-template-areas: 'num num' 'img txt'; gap: 0 20px; align-items: center; }
  .col-num { grid-area: num; }
  .col-card img { grid-area: img; height: 110px; margin: 12px 0 0; }
  .col-card h3, .col-card p { grid-area: txt; }
  .col-card h3 { align-self: end; }
  .col-card p { align-self: start; margin-top: 46px; }

  .vit-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 150px; }
  .v-larga { grid-column: span 2; }
  .como-pin { height: auto; padding-block: clamp(70px, 12vw, 110px); }
  .como-track { flex-direction: column; width: auto; }
  .passo { width: auto; }
  .enc-pecas { grid-template-columns: repeat(3, 1fr); margin-top: 30px; }
  .nome-letra { height: clamp(96px, 20vw, 150px); }
  #wa-flutuante span { display: none; }
  #wa-flutuante { padding: 16px; }
  .flut { opacity: .55; }
}
@media (max-width: 520px) {
  .col-card p { margin-top: 40px; font-size: .9rem; }
  .cont-dados { grid-template-columns: 1fr 1fr; }
}

/* ═══════════ REDUCED MOTION ═══════════ */
@media (prefers-reduced-motion: reduce) {
  .faixa-track { animation: none; }
  .hero-rolar span { animation: none; }
  html { scroll-behavior: auto; }
}