/* ============================================================
   BRANA — Casa de moda íntima
   Visken · Panticell · Topfor
   Sumário: 1.TOKENS 2.RESET 3.TIPOGRAFIA 4.LAYOUT 5.HEADER
   6.HERO 7.MANIFESTO 8.MARCAS 9.ATACADO 10.CONTATO/FOOTER
   11.COMPONENTES 12.MOVIMENTO 13.404 14.RESPONSIVO
   ============================================================ */

/* == 1. TOKENS ============================================== */
:root {
  --paper:#f6f1e9;      /* superfície mais clara */
  --bone:#ebe4d7;       /* fundo quente principal */
  --sand:#e0d6c5;       /* faixa/realce */
  --espresso:#17110d;   /* quase-preto quente (seções escuras) */
  --espresso-2:#211913;
  --ink:#2a201a;        /* texto sobre claro */
  --muted:#867769;      /* secundário quente */
  --line:#d6ccbb;       /* hairline */
  --accent:#a5675a;     /* clay-rosé, usado com parcimônia */
  --accent-deep:#8a5044;
  --on-dark:#ece4d7;    /* texto sobre escuro */
  --on-dark-muted:#a99a89;
  --wa:#1c7d4d;

  --font-display:"Bodoni Moda", Didot, "Times New Roman", serif;
  --font-body:"Archivo", system-ui, -apple-system, sans-serif;

  --container:1280px;
  --gutter:clamp(20px, 5vw, 72px);
  --ease:cubic-bezier(.16,1,.3,1);
  --header-h:74px;
}

/* == 2. RESET =============================================== */
*,*::before,*::after{box-sizing:border-box;}
*{margin:0;}
html{-webkit-text-size-adjust:100%;}
html.has-motion{scroll-behavior:smooth;}
body{
  background:var(--bone);color:var(--ink);
  font-family:var(--font-body);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;min-width:320px;
}
img,video,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
::selection{background:var(--accent);color:#fff;}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}
.skip-link{position:fixed;top:-60px;left:1rem;z-index:100;background:var(--ink);color:var(--bone);
  padding:.7rem 1.1rem;border-radius:0 0 8px 8px;transition:top .2s;}
.skip-link:focus{top:0;}

/* == 3. TIPOGRAFIA ========================================== */
h1,h2,h3{font-family:var(--font-display);font-weight:500;line-height:1.02;text-wrap:balance;}
.display{
  font-family:var(--font-display);font-weight:500;
  font-size:clamp(2.9rem,9vw,7.5rem);line-height:.96;letter-spacing:-.01em;
}
.display em{font-style:italic;}
.kicker{
  font-family:var(--font-body);font-size:.72rem;font-weight:600;
  letter-spacing:.28em;text-transform:uppercase;color:var(--accent-deep);
}
.lead{font-size:clamp(1.02rem,1.5vw,1.22rem);line-height:1.6;color:var(--muted);}
p{max-width:64ch;}

/* == 4. LAYOUT ============================================== */
.wrap{width:min(100% - calc(var(--gutter)*2), var(--container));margin-inline:auto;}
.full{width:100%;}
.section{padding-block:clamp(72px,11vw,150px);}
.section-head{max-width:60ch;margin-bottom:clamp(2.5rem,6vw,4.5rem);}
.section-head .kicker{display:block;margin-bottom:1.2rem;}
.section-head h2{font-size:clamp(2rem,5vw,3.6rem);}
.section-head p{margin-top:1.3rem;color:var(--muted);}
.dark{background:var(--espresso);color:var(--on-dark);}
.dark h1,.dark h2,.dark h3{color:var(--on-dark);}
.dark .lead,.dark .section-head p{color:var(--on-dark-muted);}
.dark .kicker{color:#c98f7f;}

/* == 5. HEADER ============================================== */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:60;height:var(--header-h);
  display:flex;align-items:center;
  transition:background-color .4s var(--ease),border-color .4s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.scrolled{background:color-mix(in srgb,var(--bone) 90%,transparent);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom-color:var(--line);}
.header-inner{width:min(100% - calc(var(--gutter)*2),var(--container));margin-inline:auto;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;}
.brandmark{font-family:var(--font-display);font-weight:600;font-size:1.6rem;
  letter-spacing:.32em;text-indent:.32em;color:var(--ink);}
.nav{display:flex;align-items:center;gap:2.2rem;}
.nav-menu{display:flex;gap:2rem;list-style:none;padding:0;}
.nav-menu a{font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink);position:relative;padding:.4rem 0;transition:color .25s;}
.nav-menu a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--accent);transform:scaleX(0);transform-origin:right;transition:transform .3s var(--ease);}
.nav-menu a:hover,.nav-menu a.active{color:var(--accent-deep);}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1);transform-origin:left;}
.header-cta{display:inline-flex;align-items:center;gap:.5rem;font-size:.74rem;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;padding:.7rem 1.2rem;border:1px solid var(--ink);
  border-radius:999px;transition:background-color .3s,color .3s;}
.header-cta:hover{background:var(--ink);color:var(--bone);}
.nav-toggle{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;gap:5px;padding:11px;}
.nav-toggle .bar{height:1.5px;background:var(--ink);transition:transform .3s var(--ease),opacity .2s;}
.nav-toggle[aria-expanded="true"] .bar:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .bar:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] .bar:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}
.no-js .nav-toggle{display:none;}

/* == 6. HERO ================================================ */
.hero{position:relative;padding-top:var(--header-h);background:var(--bone);}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;align-items:stretch;min-height:calc(100svh - var(--header-h));}
.hero-copy{display:flex;flex-direction:column;justify-content:center;
  padding:clamp(2rem,6vw,5rem) var(--gutter) clamp(2rem,6vw,5rem);}
.hero-copy .kicker{margin-bottom:1.6rem;}
.hero h1{font-size:clamp(3rem,7.2vw,6.6rem);line-height:.95;letter-spacing:-.015em;}
.hero h1 em{font-style:italic;color:var(--accent-deep);}
.hero .line{display:block;overflow:hidden;}
.hero .line > span{display:block;}
.hero .lead{margin-top:1.8rem;max-width:40ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2.4rem;}
.hero-media{position:relative;overflow:hidden;background:var(--espresso);}
.hero-media video,.hero-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.hero-media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(15,10,8,.35));}
.hero-tag{position:absolute;left:0;bottom:0;z-index:2;padding:1.4rem var(--gutter);
  color:var(--on-dark);font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;}
.hero-marquee{border-block:1px solid var(--line);background:var(--paper);overflow:hidden;}
.hero-marquee .track{display:flex;width:max-content;padding:.85rem 0;will-change:transform;}
.has-motion .hero-marquee .track{animation:marquee 48s linear infinite;}
.hero-marquee .mq-group{display:flex;align-items:center;gap:3rem;padding-right:3rem;white-space:nowrap;}
.hero-marquee span{font-family:var(--font-display);font-style:italic;font-size:1.15rem;color:var(--ink);}
.hero-marquee i{color:var(--accent);font-style:normal;}
.hero-marquee:hover .track{animation-play-state:paused;}

/* == 7. MANIFESTO ========================================== */
.manifesto{background:var(--paper);}
.manifesto .wrap{display:grid;grid-template-columns:auto 1fr;gap:clamp(2rem,7vw,7rem);align-items:start;}
.manifesto .kicker{white-space:nowrap;padding-top:.6rem;}
.manifesto-body h2{font-size:clamp(1.7rem,3.6vw,3rem);max-width:20ch;}
.manifesto-body p{margin-top:1.6rem;color:var(--muted);font-size:1.05rem;max-width:56ch;}
.manifesto-stats{display:flex;flex-wrap:wrap;gap:clamp(1.5rem,5vw,4rem);margin-top:2.6rem;}
.manifesto-stats div{border-top:1px solid var(--line);padding-top:.7rem;}
.manifesto-stats dt{font-family:var(--font-display);font-size:2.3rem;line-height:1;}
.manifesto-stats dd{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-top:.4rem;}

/* == 8. MARCAS (capítulos) ================================= */
.brands-intro{text-align:center;padding-bottom:0;}
.brands-intro .section-head{margin-inline:auto;text-align:center;}
.atacado .section-head{margin-bottom:2rem;}
.atacado-cta{margin-top:2rem;}
.chapter{position:relative;overflow:hidden;}
.chapter-inner{display:grid;grid-template-columns:1fr 1fr;align-items:center;
  gap:clamp(2rem,6vw,6rem);width:min(100% - calc(var(--gutter)*2),var(--container));
  margin-inline:auto;padding-block:clamp(64px,9vw,120px);}
.chapter.reverse .chapter-inner{direction:rtl;}
.chapter.reverse .chapter-inner > *{direction:ltr;}
.chapter-media{position:relative;aspect-ratio:4/5;overflow:hidden;background:var(--sand);}
.chapter-media img,.chapter-media video{width:100%;height:100%;object-fit:cover;
  transition:transform 1.2s var(--ease);}
.chapter:hover .chapter-media img{transform:scale(1.04);}
.chapter-num{font-family:var(--font-display);font-size:.9rem;color:var(--accent);letter-spacing:.1em;}
.chapter-name{font-size:clamp(3rem,7vw,5.6rem);line-height:.94;margin:.4rem 0 .2rem;}
.chapter-tagline{font-family:var(--font-display);font-style:italic;font-size:clamp(1.3rem,2.4vw,1.9rem);color:var(--accent-deep);}
.dark .chapter-tagline{color:#cd9484;}
.chapter-desc{margin-top:1.4rem;color:var(--muted);max-width:44ch;}
.dark .chapter-desc{color:var(--on-dark-muted);}
.chapter-handle{display:inline-block;margin-top:1.3rem;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);}
.chapter-actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:1.8rem;}
.chapter-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem;
  width:min(100% - calc(var(--gutter)*2),var(--container));margin:0 auto clamp(48px,7vw,80px);}
.chapter-gallery a{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--sand);}
.chapter-gallery img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease);}
.chapter-gallery a:hover img{transform:scale(1.06);}

/* == 9. ATACADO ============================================ */
.atacado{background:var(--sand);}
.atacado .wrap{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,6vw,5rem);align-items:center;}
.atacado-steps{list-style:none;padding:0;counter-reset:s;margin-top:.5rem;}
.atacado-steps li{counter-increment:s;display:grid;grid-template-columns:auto 1fr;gap:1.1rem;
  padding:1.2rem 0;border-top:1px solid var(--line);}
.atacado-steps li::before{content:counter(s,decimal-leading-zero);font-family:var(--font-display);
  font-size:1.3rem;color:var(--accent);}
.atacado-steps h3{font-family:var(--font-body);font-size:1rem;font-weight:600;}
.atacado-steps p{font-size:.92rem;color:var(--muted);margin-top:.2rem;}
.atacado-visual{aspect-ratio:3/4;overflow:hidden;background:var(--espresso);}
.atacado-visual img{width:100%;height:100%;object-fit:cover;}

/* == 10. CONTATO / FOOTER ================================== */
.contato{background:var(--espresso);color:var(--on-dark);}
.contato .section-head h2{color:var(--on-dark);}
.contato-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,6vw,5rem);}
.contato-list{list-style:none;padding:0;display:grid;gap:1.4rem;}
.contato-list .k{font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--on-dark-muted);}
.contato-list a,.contato-list address{color:var(--on-dark);font-style:normal;font-size:1.05rem;}
.contato-list a:hover{color:#cd9484;}
.site-footer{background:var(--espresso-2);color:var(--on-dark-muted);padding-block:2.4rem;}
.footer-inner{display:flex;flex-wrap:wrap;gap:1rem 2rem;justify-content:space-between;align-items:center;}
.footer-links{display:flex;flex-wrap:wrap;gap:1.4rem;list-style:none;padding:0;}
.footer-links a{font-size:.8rem;letter-spacing:.06em;}
.footer-links a:hover{color:var(--on-dark);}
.footer-legal{font-size:.72rem;line-height:1.7;max-width:60ch;}

/* == 11. COMPONENTES ======================================= */
.btn{display:inline-flex;align-items:center;gap:.6rem;padding:.95rem 1.7rem;border-radius:999px;
  font-size:.8rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  transition:transform .25s var(--ease),background-color .3s,color .3s,border-color .3s;}
.btn:active{transform:scale(.97);}
.btn .icon{width:16px;height:16px;}
.btn-solid{background:var(--ink);color:var(--bone);}
.btn-solid:hover{background:var(--accent-deep);}
.dark .btn-solid{background:var(--bone);color:var(--espresso);}
.dark .btn-solid:hover{background:#fff;}
.btn-wa{background:var(--wa);color:#fff;}
.btn-wa:hover{background:#15693f;}
.btn-outline{border:1px solid currentColor;color:inherit;}
.btn-outline:hover{background:var(--ink);color:var(--bone);border-color:var(--ink);}
.dark .btn-outline:hover{background:var(--bone);color:var(--espresso);border-color:var(--bone);}
.text-link{display:inline-flex;align-items:center;gap:.5rem;font-size:.8rem;font-weight:600;
  letter-spacing:.1em;text-transform:uppercase;padding-bottom:.25rem;border-bottom:1px solid currentColor;}
.text-link .arrow{transition:transform .3s var(--ease);}
.text-link:hover .arrow{transform:translateX(4px);}

.wa-form{display:grid;gap:1rem;}
.wa-form label{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--on-dark-muted);display:grid;gap:.5rem;}
.wa-form input,.wa-form textarea{font:inherit;padding:.85rem 1rem;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.18);border-radius:8px;color:var(--on-dark);}
.wa-form input:focus,.wa-form textarea:focus{outline:none;border-color:#cd9484;}
.wa-form textarea{resize:vertical;min-height:96px;}

/* == 12. MOVIMENTO ========================================= */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease);}
.reveal.visible{opacity:1;transform:none;}
[data-reveal="mask"]{opacity:1;transform:translateY(28px);
  -webkit-mask-image:linear-gradient(#000 0 0);mask-image:linear-gradient(#000 0 0);
  -webkit-mask-size:140% 0%;mask-size:140% 0%;-webkit-mask-position:50% 0;mask-position:50% 0;
  -webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;
  transition:-webkit-mask-size .95s var(--ease),mask-size .95s var(--ease),transform .95s var(--ease);}
[data-reveal="mask"].visible{transform:none;-webkit-mask-size:140% 160%;mask-size:140% 160%;}
/* hero: linhas sobem no load */
.has-motion .hero .line > span{animation:line-up 1s var(--ease) backwards;}
.has-motion .hero .line:nth-child(1) > span{animation-delay:.35s;}
.has-motion .hero .line:nth-child(2) > span{animation-delay:.47s;}
.has-motion .hero .line:nth-child(3) > span{animation-delay:.59s;}
.has-motion .hero-copy .kicker{animation:fade .8s ease .2s backwards;}
.has-motion .hero .lead{animation:rise .9s var(--ease) .8s backwards;}
.has-motion .hero-actions{animation:rise .9s var(--ease) .95s backwards;}
.has-motion .hero-media{animation:fade 1.4s ease backwards;}
@keyframes line-up{from{transform:translateY(110%);}}
@keyframes rise{from{opacity:0;transform:translateY(22px);}}
@keyframes fade{from{opacity:0;}}
@keyframes marquee{to{transform:translateX(-50%);}}
@media (prefers-reduced-motion:reduce){
  html.has-motion{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal,[data-reveal="mask"]{opacity:1;transform:none;-webkit-mask-image:none;mask-image:none;}
  .hero-marquee .track{animation:none;}
}

/* == 14. RESPONSIVO ======================================== */
@media (max-width:900px){
  .nav-menu,.header-cta{display:none;}
  .nav-toggle{display:flex;}
  .nav-menu.open{display:flex;position:fixed;inset:var(--header-h) 0 auto 0;flex-direction:column;
    gap:0;background:var(--bone);border-bottom:1px solid var(--line);padding:1rem var(--gutter) 1.5rem;}
  .nav-menu.open a{padding:1rem 0;font-size:.9rem;border-bottom:1px solid var(--line);}
  /* sem JS: mostra os links inline (o hambúrguer não funcionaria) */
  .no-js .nav-menu{display:flex;position:static;flex-direction:row;flex-wrap:wrap;gap:.4rem 1.1rem;}
  .no-js .nav-menu a{font-size:.72rem;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-media{min-height:82vh;order:-1;}
  .manifesto .wrap{grid-template-columns:1fr;gap:1.5rem;}
  .chapter-inner{grid-template-columns:1fr;gap:2rem;}
  .chapter.reverse .chapter-inner{direction:ltr;}
  .chapter-media{aspect-ratio:4/5;}
  .chapter-gallery{grid-template-columns:repeat(2,1fr);}
  .atacado .wrap,.contato-grid{grid-template-columns:1fr;}
  .atacado-visual{aspect-ratio:16/10;}
}
@media (max-width:520px){
  .chapter-gallery{grid-template-columns:repeat(2,1fr);}
  .footer-inner{flex-direction:column;align-items:flex-start;}
}

/* == INSTITUCIONAL (Origem · Tecnologia · Certificações) ==== */
.brandmark img{height:30px;width:auto;}
.origem{background:var(--paper);}
.origem-head{max-width:64ch;}
.origem-head h2{font-size:clamp(1.9rem,4.4vw,3.3rem);}
.origem-head p{margin-top:1.4rem;color:var(--muted);font-size:1.05rem;}
.origem-head strong{color:var(--ink);}
.bigstats{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem 2rem;margin-top:clamp(2.5rem,6vw,4rem);}
.bigstats > div{border-top:1px solid var(--line-strong);padding-top:.9rem;}
.bigstats dt{font-family:var(--font-display);font-size:clamp(2.4rem,4.5vw,3.6rem);line-height:1;letter-spacing:-.01em;}
.bigstats dd{margin-top:.5rem;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);}
.unidades{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:center;margin-top:clamp(3.5rem,7vw,6rem);}
.unidades-media{display:grid;gap:.6rem;}
.unidades-media img{width:100%;height:100%;object-fit:cover;}
.unidades-media .u-wide{aspect-ratio:16/9;}
.unidades-media .u-tall{aspect-ratio:16/7;}
.unidades-text .kicker{display:block;margin-bottom:1rem;}
.unidades-text h3{font-size:clamp(1.5rem,3vw,2.3rem);}
.unidades-text p{margin-top:1.2rem;color:var(--muted);}
.unidades-text strong{color:var(--ink);}
.unidades-text .sig{margin-top:1.4rem;font-family:var(--font-display);font-style:italic;font-size:1.2rem;color:var(--accent-deep);}

.tecnologia .section-head{max-width:56ch;}
.tecnologia .section-head h2{font-size:clamp(2rem,4.6vw,3.6rem);}
.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1.5rem,3vw,2.5rem);margin-top:clamp(2.5rem,5vw,3.5rem);}
.tech-grid article{border-top:1px solid rgba(255,255,255,.22);padding-top:1.4rem;}
.tech-num{font-family:var(--font-display);font-size:1rem;color:#cd9484;letter-spacing:.06em;}
.tech-grid h3{font-size:clamp(1.5rem,2.6vw,2rem);margin:.4rem 0 .1rem;}
.tech-sub{font-family:var(--font-display);font-style:italic;color:var(--on-dark-muted);font-size:1.05rem;}
.tech-grid p{margin-top:1rem;color:var(--on-dark-muted);font-size:.95rem;}

.certif{background:var(--sand);}
.certif .wrap{display:grid;grid-template-columns:1.3fr 1fr;gap:2rem;align-items:center;}
.certif h3{font-size:clamp(1.4rem,2.8vw,2.1rem);margin-top:.8rem;}
.certif p{margin-top:.9rem;color:var(--muted);max-width:44ch;}
.selos{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:.8rem;justify-content:flex-end;}
.selos li{font-family:var(--font-display);font-size:1.3rem;letter-spacing:.02em;border:1px solid var(--line-strong);border-radius:999px;padding:.7rem 1.6rem;color:var(--ink);}

.atacado-b2b{border-left:3px solid var(--accent);padding-left:1.2rem;margin:0 0 2.2rem;max-width:52ch;color:var(--ink);}
.atacado-b2b strong{font-family:var(--font-display);font-size:1.15rem;display:block;margin-bottom:.4rem;}

@media (max-width:900px){
  .bigstats{grid-template-columns:repeat(2,1fr);}
  .unidades,.certif .wrap{grid-template-columns:1fr;}
  .tech-grid{grid-template-columns:1fr;gap:1.6rem;}
  .selos{justify-content:flex-start;}
}