/* =========================================================
   ESTÚDIO B2 — one-page
   Identidade: escuro, quente, moderno. Mobile-first.
   ========================================================= */

/* ---------- 1. Tokens ---------- */
:root{
  /* Cores */
  --bg:            #0d0d0f;
  --bg-alt:        #141417;
  --bg-elev:       #1b1b1f;
  --line:          #2a2a30;

  --text:          #f2f0ed;
  --text-soft:     #a9a6a1;
  --text-dim:      #75726e;

  --accent:        #e8a33d;   /* âmbar — calor de válvula/estúdio */
  --accent-deep:   #c9822a;
  --accent-soft:   rgba(232,163,61,.14);

  --wpp:           #25d366;
  --wpp-deep:      #1eb455;

  /* Tipografia */
  --font-display: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;

  --fs-hero:  clamp(2.1rem, 6.2vw, 4.4rem);
  --fs-h2:    clamp(1.9rem, 4.6vw, 3.1rem);
  --fs-h3:    clamp(1.25rem, 2.6vw, 1.7rem);
  --fs-lead:  clamp(1.02rem, 1.9vw, 1.22rem);
  --fs-body:  1rem;
  --fs-sm:    .875rem;

  /* Espaço */
  --sp-section: clamp(4.5rem, 10vw, 8rem);
  --container:  1180px;
  --gutter:     1.25rem;

  --radius:    14px;
  --radius-lg: 22px;

  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top:76px; -webkit-text-size-adjust:100%; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:var(--fs-body);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,video,svg,iframe{ display:block; max-width:100%; }
h1,h2,h3,h4{ font-family:var(--font-display); line-height:1.12; margin:0 0 .6em; letter-spacing:-.02em; font-weight:700; }
p{ margin:0 0 1.1em; }
a{ color:inherit; text-decoration:none; }
ul,ol{ margin:0; padding:0; list-style:none; }
button{ font:inherit; cursor:pointer; }
::selection{ background:var(--accent); color:#0d0d0f; }

:focus-visible{ outline:2px solid var(--accent); outline-offset:3px; border-radius:4px; }

.skip-link{
  position:absolute; left:-9999px; top:0; z-index:999;
  background:var(--accent); color:#0d0d0f; padding:.7rem 1.1rem; font-weight:600;
}
.skip-link:focus{ left:.5rem; top:.5rem; }

.container{ width:100%; max-width:var(--container); margin-inline:auto; padding-inline:var(--gutter); }
.muted{ color:var(--text-soft); }

/* ---------- 3. Header ---------- */
.header{
  position:fixed; inset:0 0 auto 0; z-index:100;
  transition:background .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
  border-bottom:1px solid transparent;
}
.header.is-scrolled{
  background:rgba(13,13,15,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header__inner{
  display:flex; align-items:center; gap:1rem;
  min-height:68px;
}

.logo{ display:flex; align-items:center; gap:.6rem; margin-right:auto; font-family:var(--font-display); font-weight:700; }
.logo__mark{
  display:grid; place-items:center;
  width:36px; height:36px; border-radius:10px;
  background:var(--accent); color:#0d0d0f;
  font-size:.95rem; letter-spacing:-.03em;
}
.logo__text{ font-size:1.02rem; letter-spacing:-.01em; }

.nav__list{ display:flex; gap:1.6rem; }
.nav__list a{
  font-size:.92rem; color:var(--text-soft); font-weight:500;
  position:relative; transition:color .2s var(--ease);
}
.nav__list a::after{
  content:''; position:absolute; left:0; bottom:-5px; height:1.5px; width:0;
  background:var(--accent); transition:width .25s var(--ease);
}
.nav__list a:hover{ color:var(--text); }
.nav__list a:hover::after{ width:100%; }

.header__cta{ margin-left:1.4rem; }

.burger{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:42px; height:42px; padding:0 9px;
  background:transparent; border:1px solid var(--line); border-radius:10px;
}
.burger span{ display:block; height:2px; background:var(--text); border-radius:2px; transition:transform .3s var(--ease), opacity .2s var(--ease); }
.burger.is-open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.burger.is-open span:nth-child(2){ opacity:0; }
.burger.is-open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ---------- 4. Botões ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.55rem;
  padding:.85rem 1.5rem; border-radius:100px; border:1px solid transparent;
  font-family:var(--font-body); font-weight:600; font-size:.95rem; line-height:1;
  cursor:pointer; text-align:center;
  transition:transform .18s var(--ease), background .2s var(--ease), box-shadow .25s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.btn:hover{ transform:translateY(-2px); }
.btn:active{ transform:translateY(0); }

.btn--wpp{ background:var(--wpp); color:#07260f; }
.btn--wpp:hover{ background:var(--wpp-deep); box-shadow:0 10px 26px rgba(37,211,102,.26); }

.btn--primary{ background:var(--accent); color:#0d0d0f; }
.btn--primary:hover{ background:var(--accent-deep); box-shadow:0 10px 26px rgba(232,163,61,.25); }

.btn--ghost{ background:rgba(255,255,255,.05); color:var(--text); border-color:rgba(255,255,255,.22); backdrop-filter:blur(6px); }
.btn--ghost:hover{ background:rgba(255,255,255,.12); border-color:rgba(255,255,255,.4); }

.btn--sm{ padding:.62rem 1.05rem; font-size:.85rem; }
.btn--lg{ padding:1.05rem 2rem; font-size:1.02rem; }
.btn--block{ display:flex; width:100%; }

.icon-wpp{ width:1.15em; height:1.15em; fill:currentColor; flex-shrink:0; }

/* ---------- 5. Placeholders (trocar por mídia real) ---------- */
.ph{
  position:relative; display:grid; place-items:center;
  background:
    repeating-linear-gradient(45deg, rgba(255,255,255,.022) 0 12px, transparent 12px 24px),
    linear-gradient(150deg, #24242a 0%, #17171b 55%, #1e1a17 100%);
  border:1px dashed rgba(232,163,61,.3);
  border-radius:var(--radius);
  overflow:hidden;
  min-height:180px;
}
.ph__label{
  font-family:var(--font-display); font-size:.72rem; font-weight:600;
  letter-spacing:.14em; text-transform:uppercase; color:rgba(232,163,61,.72);
  text-align:center; line-height:1.9; padding:1rem;
}
.ph__label em{
  display:block; font-style:normal; text-transform:none; letter-spacing:.01em;
  font-family:var(--font-body); font-weight:400; font-size:.8rem; color:var(--text-dim);
}
.ph--video{ aspect-ratio:16/9; min-height:0; }
.ph--photo{ aspect-ratio:4/3; min-height:0; }
.ph--portrait{ aspect-ratio:3/4; min-height:0; }

/* Embeds reais */
.video-embed{ position:relative; aspect-ratio:16/9; border-radius:var(--radius); overflow:hidden; background:#000; }
.video-embed iframe{ position:absolute; inset:0; width:100%; height:100%; border:0; }
.spotify-embed{ width:100%; height:152px; border:0; border-radius:12px; }

/* ---------- 6. Hero ---------- */
.hero{
  position:relative; display:flex; align-items:center;
  min-height:100svh; padding:clamp(6rem,14vh,9rem) 0 clamp(4rem,10vh,6rem);
  overflow:hidden;
}
.hero__media{
  position:absolute; inset:0; width:100%; height:100%;
  object-fit:cover; border:0; border-radius:0; z-index:0;
}
.hero__overlay{
  position:absolute; inset:0; z-index:1;
  background:
    linear-gradient(180deg, rgba(13,13,15,.82) 0%, rgba(13,13,15,.6) 40%, rgba(13,13,15,.94) 100%),
    radial-gradient(115% 85% at 18% 30%, rgba(232,163,61,.16) 0%, transparent 62%);
}
.hero__content{ position:relative; z-index:2; max-width:860px; }

.eyebrow{
  font-family:var(--font-display); font-size:.76rem; font-weight:600;
  letter-spacing:.2em; text-transform:uppercase; color:var(--accent);
  margin-bottom:1.1rem;
}
.hero__title{
  font-size:var(--fs-hero); margin-bottom:1.1rem;
  text-wrap:balance;           /* equilibra o comprimento das linhas, evita palavra órfã */
}
.hero__sub{
  font-size:var(--fs-lead); color:var(--text-soft);
  max-width:56ch; margin-bottom:2.2rem;
}
.hero__actions{ display:flex; flex-wrap:wrap; gap:.85rem; }

.hero__scroll{
  position:absolute; left:50%; bottom:1.8rem; z-index:2;
  transform:translateX(-50%);
  width:26px; height:42px; border:1.5px solid rgba(255,255,255,.28); border-radius:100px;
  display:grid; justify-items:center; padding-top:8px;
}
.hero__scroll span{
  width:3px; height:8px; border-radius:2px; background:var(--accent);
  animation:scrollDot 1.9s var(--ease) infinite;
}
@keyframes scrollDot{
  0%,100%{ transform:translateY(0); opacity:1; }
  55%{ transform:translateY(13px); opacity:.15; }
}

/* ---------- 7. Seções ---------- */
.section{ padding:var(--sp-section) 0; position:relative; }
.section--alt{ background:var(--bg-alt); }
.section--demo{
  background:
    radial-gradient(90% 60% at 82% 0%, rgba(232,163,61,.08) 0%, transparent 60%),
    var(--bg);
}

.section__head{ max-width:64ch; margin-bottom:clamp(2.5rem,5vw,3.6rem); }
.section__title{ font-size:var(--fs-h2); margin-bottom:.7rem; }
.section__lead{ font-size:var(--fs-lead); color:var(--text-soft); margin-bottom:0; }
.section__lead strong{ color:var(--text); font-weight:600; }

/* ---------- 8. Demo Session ---------- */
.demo__grid{
  display:grid; gap:1.5rem;
  grid-template-columns:1fr;
  margin:clamp(2.2rem,4vw,3rem) 0 0;
}
.demo__item{
  padding-top:1.4rem;
  border-top:2px solid var(--accent);
}
.demo__item h3{ font-size:1.12rem; margin-bottom:.4rem; }
.demo__item p{ color:var(--text-soft); font-size:.96rem; margin:0; }

.demo__note{
  margin:2.4rem 0 0; padding-left:1.1rem;
  border-left:2px solid var(--line);
  font-size:var(--fs-lead); color:var(--text-soft); max-width:60ch;
}
.demo__cta{ margin-top:2.4rem; }

/* ---------- 9. Cards de serviço ---------- */
.cards{ display:grid; gap:1.1rem; grid-template-columns:1fr; }
.card{
  position:relative;
  background:var(--bg-elev);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:1.7rem 1.5rem;
  transition:transform .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}
.card:hover{ transform:translateY(-4px); border-color:rgba(232,163,61,.45); }
.card__title{
  font-size:1.16rem; margin-bottom:.55rem;
  padding-bottom:.7rem; border-bottom:1px solid var(--line);
}
.card p{ color:var(--text-soft); font-size:.94rem; margin:0; }
.card__for{
  margin-top:.8rem !important; padding-top:.8rem;
  border-top:1px dashed var(--line);
  color:var(--accent) !important; font-size:.85rem !important; font-weight:500;
}

.services__note{
  margin:2.2rem 0 0; color:var(--text-soft); font-size:.96rem;
  max-width:70ch; line-height:1.9;
}
.services__note strong{ color:var(--text); }
.services__note a{ color:var(--accent); font-weight:600; border-bottom:1px solid rgba(232,163,61,.4); }

/* ---------- 10. Passos ---------- */
.steps{
  margin-top:clamp(3rem,6vw,4.5rem);
  padding-top:clamp(2.2rem,4vw,3rem);
  border-top:1px solid var(--line);
}
.steps__title{ font-size:var(--fs-h3); margin-bottom:1.8rem; }
.steps__list{ display:grid; gap:2rem; grid-template-columns:1fr; counter-reset:step; }
.step h4{ font-size:1.05rem; margin:.5rem 0 .35rem; }
.step p{ color:var(--text-soft); font-size:.93rem; margin:0; }
.step__num{
  font-family:var(--font-display); font-size:2.1rem; font-weight:700;
  color:transparent; -webkit-text-stroke:1.3px rgba(232,163,61,.65);
  line-height:1; display:block;
}

/* ---------- 11. Acústica ---------- */
.acoustics{
  max-width:72ch;
  margin-bottom:clamp(2rem,4vw,2.8rem);
}
.acoustics h3{ font-size:var(--fs-h3); }
.acoustics p{ color:var(--text-soft); }
.acoustics p:last-child{ margin-bottom:0; }
.acoustics strong{ color:var(--text); font-weight:600; }

/* ---------- 12. Galeria horizontal ---------- */
.gallery{ margin-bottom:clamp(3rem,6vw,4.5rem); }
.gallery__head{
  display:flex; align-items:center; justify-content:space-between; gap:1rem;
  margin-bottom:.9rem;
}
.gallery__caption{ color:var(--text-dim); font-size:.85rem; margin:0; }

.gallery__nav{ display:flex; gap:.5rem; flex-shrink:0; }
.gallery__arrow{
  display:grid; place-items:center;
  width:38px; height:38px; border-radius:50%;
  background:var(--bg-elev); border:1px solid var(--line); color:var(--text-soft);
  transition:background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.gallery__arrow svg{ width:18px; height:18px; }
.gallery__arrow:hover{ background:var(--accent); color:#0d0d0f; border-color:var(--accent); }

.gallery__track{
  display:flex; gap:.9rem;
  overflow-x:auto; overscroll-behavior-x:contain;
  scroll-snap-type:x mandatory;
  scroll-padding-left:0;
  padding-bottom:.9rem;
  scrollbar-width:thin;
  scrollbar-color:var(--line) transparent;
}
.gallery__track::-webkit-scrollbar{ height:6px; }
.gallery__track::-webkit-scrollbar-track{ background:transparent; }
.gallery__track::-webkit-scrollbar-thumb{ background:var(--line); border-radius:100px; }
.gallery__track::-webkit-scrollbar-thumb:hover{ background:var(--accent-deep); }

.gallery__track > li{
  flex:0 0 78%; max-width:340px;
  scroll-snap-align:start;
}
.gallery__item{
  display:block; width:100%; padding:0;
  background:none; border:0; border-radius:var(--radius);
  overflow:hidden; cursor:zoom-in; position:relative;
  transition:transform .25s var(--ease);
}
.gallery__item > .ph, .gallery__item > img{
  width:100%; height:100%; display:block;
  aspect-ratio:4/3; object-fit:cover; border-radius:var(--radius);
}
.gallery__item::after{
  content:''; position:absolute; inset:0; border-radius:var(--radius);
  box-shadow:inset 0 0 0 0 var(--accent);
  transition:box-shadow .25s var(--ease);
  pointer-events:none;
}
.gallery__item:hover{ transform:translateY(-3px); }
.gallery__item:hover::after{ box-shadow:inset 0 0 0 2px var(--accent); }

/* ---------- 13. Rafa + História (grade alinhada) ---------- */
.about-grid{
  display:grid; gap:1.1rem; grid-template-columns:1fr;
  align-items:stretch;
}
.about{
  display:grid; gap:1.5rem; grid-template-columns:1fr;
  background:var(--bg-elev);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:clamp(1.4rem,3vw,2rem);
  align-content:start;
}
.about__media{ max-width:260px; }
.about__media .ph{ border-radius:var(--radius); }
.about__text h3{ font-size:var(--fs-h3); margin-bottom:.7rem; }
.about__text p{ color:var(--text-soft); font-size:.96rem; }
.about__text p:last-child{ margin-bottom:0; }
.about__text strong{ color:var(--text); font-weight:600; }
.about__quote{
  margin:1.3rem 0; padding-left:1rem;
  border-left:2px solid var(--accent);
  font-family:var(--font-display); font-size:1.05rem; font-style:italic;
  color:var(--text); line-height:1.5;
}
.about__quote::before{ content:'“'; }
.about__quote::after{ content:'”'; }

.privacy-note{
  margin:2rem 0 0; font-size:.9rem; color:var(--text-dim);
}
.privacy-note strong{ color:var(--text-soft); }

/* ---------- 14. Trabalhos ---------- */
.works{ display:grid; gap:2rem; grid-template-columns:1fr; }
.work{ min-width:0; }
.work__title{ font-size:1.1rem; margin:1rem 0 .2rem; }
.work__meta{ color:var(--text-dim); font-size:.85rem; margin:0; }

.quotes{ margin-top:3rem; display:grid; gap:1.5rem; }
.quote{
  margin:0; padding:1.5rem; background:var(--bg-elev);
  border:1px solid var(--line); border-radius:var(--radius);
}
.quote p{ font-family:var(--font-display); font-size:1.05rem; }
.quote cite{ color:var(--accent); font-style:normal; font-size:.86rem; font-weight:600; }

.works__note{ margin-top:2.5rem; color:var(--text-soft); }
.works__note a{ color:var(--accent); font-weight:600; border-bottom:1px solid rgba(232,163,61,.4); }

/* ---------- 15. Contato ---------- */
.section--contato{
  background:
    radial-gradient(80% 55% at 50% 100%, rgba(232,163,61,.1) 0%, transparent 65%),
    var(--bg);
}
.contact{ display:grid; gap:1.1rem; grid-template-columns:1fr; align-items:stretch; }

/* Painel do WhatsApp e formulário compartilham o mesmo container visual */
.contact__panel, .form{
  display:flex; flex-direction:column;
  min-width:0;
  background:var(--bg-elev);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:clamp(1.5rem,3.5vw,2.2rem);
}
.contact__panel{ justify-content:flex-start; gap:2.2rem; }
.contact__top{ display:flex; flex-direction:column; }
.contact__panel .btn--lg{ margin-top:.4rem; }

.contact__h{ font-size:1.2rem; margin-bottom:.45rem; }
.contact__desc{ color:var(--text-soft); font-size:.93rem; margin-bottom:1.2rem; }

.contact__links{ display:grid; gap:.9rem; font-size:.95rem; }
.contact__links li{
  display:grid; gap:.15rem;
  padding-top:.9rem; border-top:1px solid var(--line);
}
.contact__label{
  font-family:var(--font-display); font-size:.68rem; font-weight:600;
  letter-spacing:.16em; text-transform:uppercase; color:var(--text-dim);
}
.contact__links a{ color:var(--text); transition:color .2s var(--ease); width:fit-content; }
.contact__links a:hover{ color:var(--accent); }

.form__row{ margin-bottom:1.1rem; }
.form .contact__desc{ margin-bottom:1.6rem; }
.form button[type="submit"]{ margin-top:auto; }
.form label{
  display:block; margin-bottom:.4rem;
  font-size:.82rem; font-weight:600; color:var(--text-soft);
  letter-spacing:.02em;
}
.form input, .form textarea{
  width:100%; padding:.8rem .95rem;
  background:var(--bg); color:var(--text);
  border:1px solid var(--line); border-radius:10px;
  font-family:var(--font-body); font-size:.95rem;
  transition:border-color .2s var(--ease), background .2s var(--ease);
}
.form input::placeholder, .form textarea::placeholder{ color:var(--text-dim); }
.form input:focus, .form textarea:focus{ outline:none; border-color:var(--accent); background:#0a0a0c; }
.form textarea{ resize:vertical; min-height:110px; }
.form__hint{ margin:.9rem 0 0; font-size:.8rem; color:var(--text-dim); text-align:center; }

/* ---------- 16. Rodapé ---------- */
.footer{
  background:var(--bg-alt);
  border-top:1px solid var(--line);
  padding:3rem 0 2.2rem;
}
.footer__inner{ display:grid; gap:1.6rem; justify-items:center; text-align:center; }
.logo--footer{ margin-right:0; }
.footer__nav{ display:flex; flex-wrap:wrap; justify-content:center; gap:1.3rem; }
.footer__nav a{ font-size:.9rem; color:var(--text-soft); transition:color .2s var(--ease); }
.footer__nav a:hover{ color:var(--accent); }
.footer__legal{ margin:0; font-size:.82rem; color:var(--text-dim); }

/* ---------- 17. WhatsApp flutuante ---------- */
.wpp-float{
  position:fixed; right:1rem; bottom:1rem; z-index:90;
  display:grid; place-items:center;
  width:56px; height:56px; border-radius:50%;
  background:var(--wpp); color:#07260f;
  box-shadow:0 8px 26px rgba(0,0,0,.45), 0 0 0 0 rgba(37,211,102,.5);
  transition:transform .2s var(--ease), background .2s var(--ease);
  animation:wppPulse 2.8s var(--ease) infinite;
}
.wpp-float svg{ width:30px; height:30px; fill:currentColor; }
.wpp-float:hover{ transform:scale(1.08); background:var(--wpp-deep); }
@keyframes wppPulse{
  0%   { box-shadow:0 8px 26px rgba(0,0,0,.45), 0 0 0 0 rgba(37,211,102,.45); }
  70%  { box-shadow:0 8px 26px rgba(0,0,0,.45), 0 0 0 16px rgba(37,211,102,0); }
  100% { box-shadow:0 8px 26px rgba(0,0,0,.45), 0 0 0 0 rgba(37,211,102,0); }
}

/* ---------- 17b. Lightbox ---------- */
.lightbox{
  position:fixed; inset:0; z-index:200;
  display:flex; align-items:center; justify-content:center; gap:.5rem;
  padding:clamp(1rem,4vw,3rem);
  background:rgba(6,6,8,.94);
  backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px);
  opacity:0; transition:opacity .25s var(--ease);
}
.lightbox[hidden]{ display:none; }
.lightbox.is-open{ opacity:1; }

.lightbox__stage{
  max-width:min(1100px,92vw); max-height:86vh;
  display:grid; place-items:center;
}
.lightbox__stage img, .lightbox__stage .ph{
  max-width:100%; max-height:86vh; width:auto; height:auto;
  border-radius:var(--radius); object-fit:contain;
}
.lightbox__stage .ph{ width:min(820px,88vw); aspect-ratio:4/3; }

.lightbox__close, .lightbox__arrow{
  display:grid; place-items:center; flex-shrink:0;
  width:46px; height:46px; border-radius:50%;
  background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.16);
  color:var(--text);
  transition:background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.lightbox__close svg, .lightbox__arrow svg{ width:22px; height:22px; }
.lightbox__close:hover, .lightbox__arrow:hover{ background:var(--accent); color:#0d0d0f; border-color:var(--accent); }
.lightbox__close{ position:absolute; top:1rem; right:1rem; z-index:2; }

/* Em telas estreitas as setas descem para não espremer a foto */
@media (max-width:640px){
  .lightbox{ flex-wrap:wrap; }
  .lightbox__stage{ order:1; flex:1 0 100%; }
  .lightbox__arrow{ order:2; }
  .lightbox__arrow--prev{ margin-left:auto; }
  .lightbox__arrow--next{ margin-right:auto; }
}

body.is-locked{ overflow:hidden; }

/* ---------- 18. Reveal on scroll ---------- */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible{ opacity:1; transform:none; }

/* =========================================================
   19. RESPONSIVO
   ========================================================= */

/* --- Tablet --- */
@media (min-width:600px){
  .demo__grid{ grid-template-columns:repeat(3,1fr); }
  .cards{ grid-template-columns:repeat(2,1fr); }
  .steps__list{ grid-template-columns:repeat(3,1fr); gap:1.6rem; }
  .works{ grid-template-columns:repeat(2,1fr); }
  .gallery__track > li{ flex-basis:46%; max-width:none; }
  .about{ grid-template-columns:260px 1fr; gap:2rem; align-items:start; }
  .about--story{ grid-template-columns:1fr; }
  .footer__inner{
    grid-template-columns:auto 1fr auto;
    justify-items:start; align-items:center; text-align:left; gap:2rem;
  }
  .footer__nav{ justify-content:center; }
}

/* --- Desktop --- */
@media (min-width:900px){
  .cards{ grid-template-columns:repeat(3,1fr); gap:1.2rem; }

  /* Contato: as duas colunas viram painéis de mesma altura */
  .contact{ grid-template-columns:.85fr 1.15fr; gap:1.4rem; }

  /* Rafa e "Por que B2" alinhados lado a lado, mesma altura */
  .about-grid{ grid-template-columns:1.15fr .85fr; gap:1.4rem; }
  .about{ grid-template-columns:220px 1fr; gap:1.8rem; }
  .about--story{ grid-template-columns:1fr; }

  .gallery__track{ gap:1.1rem; }
  .gallery__track > li{ flex-basis:31%; }

  .wpp-float{ right:1.6rem; bottom:1.6rem; }
}

/* --- Menu mobile --- */
@media (max-width:899px){
  .burger{ display:flex; }
  .header__cta span{ display:none; }
  .header__cta{ margin-left:0; padding:.62rem .75rem; }

  .nav{
    position:fixed; inset:68px 0 auto 0;
    background:rgba(13,13,15,.98);
    backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
    max-height:0; overflow:hidden;
    transition:max-height .38s var(--ease);
  }
  .nav.is-open{ max-height:70vh; }
  .nav__list{
    flex-direction:column; gap:0;
    padding:.6rem var(--gutter) 1.6rem;
  }
  .nav__list li{ border-bottom:1px solid var(--line); }
  .nav__list li:last-child{ border-bottom:0; }
  .nav__list a{ display:block; padding:1rem 0; font-size:1.02rem; color:var(--text); }
  .nav__list a::after{ display:none; }

  .hero__actions .btn{ flex:1 1 100%; }
}

@media (min-width:900px){
  .wpp-float{ display:none; }
}

/* --- Acessibilidade: movimento reduzido --- */
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{
    animation-duration:.01ms !important; animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
  .reveal{ opacity:1; transform:none; }
}