/* ============================================================
   VISUAL RIO · Apresentação de identidade para redes sociais
   Paleta: preto sofisticado (#0E0E11) · claro #F5F5F5
           laranja #F1671F · azul institucional #1E5DA8
   ============================================================ */

:root{
  /* fundos */
  --dark:#0E0E11;          /* preto sofisticado, não azul-marinho */
  --dark-2:#131318;        /* variação para alternância entre blocos escuros */
  --light:#F5F5F5;
  --light-2:#EDEDEC;
  /* tinta */
  --ink-d:#F4F4F2;         /* texto sobre escuro */
  --mut-d:#9A9AA2;
  --ink-l:#141417;         /* texto sobre claro */
  --mut-l:#5D5D64;
  /* marca */
  --orange:#F1671F;
  --orange-br:#FF7A33;
  --blue:#1E5DA8;
  /* linhas */
  --line-d:rgba(255,255,255,0.10);
  --line-l:rgba(15,15,20,0.12);
  /* misc */
  --ease:cubic-bezier(0.16,1,0.3,1);
  --maxw:1200px;
  --font-body:"Archivo",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  --font-disp:"Oswald","Archivo Expanded","Segoe UI",Arial,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--dark);color:var(--ink-d);font-family:var(--font-body);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
::selection{background:var(--orange);color:#fff}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
svg{stroke:currentColor;fill:none}
ul{list-style:none}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(22px,5vw,64px)}
section{position:relative;padding:clamp(72px,11vh,130px) 0}

/* temas de seção */
section.dark{background:var(--dark);color:var(--ink-d)}
section.dark.alt{background:var(--dark-2)}
section.light{background:var(--light);color:var(--ink-l)}
section.light.alt{background:var(--light-2)}

/* ---------- tipografia base ---------- */
h1,h2,h3{font-family:var(--font-disp);font-weight:600;line-height:1.06;letter-spacing:0.005em;text-transform:uppercase}
.o{color:var(--orange)}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:0.22em;text-transform:uppercase;color:var(--orange);display:inline-flex;align-items:center;gap:10px;margin-bottom:18px}
.eyebrow .tk{width:26px;height:2px;background:var(--orange);display:inline-block}
.section-title{font-size:clamp(30px,4.6vw,56px)}
.section-sub{font-size:clamp(15px,1.5vw,17.5px);max-width:62ch;margin-top:16px}
section.dark .section-sub{color:var(--mut-d)}
section.light .section-sub{color:var(--mut-l)}
.head-block{margin-bottom:clamp(36px,6vh,58px)}
.head-block.center{text-align:center}
.head-block.center .section-sub{margin-left:auto;margin-right:auto}

/* ---------- animações (progressive enhancement) ---------- */
.reveal,.clip,.title-mask,.scale-in{opacity:1;transform:none;clip-path:none}
.enhanced .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .85s var(--ease);transition-delay:calc(var(--i,0)*70ms)}
.enhanced .reveal.in{opacity:1;transform:none}
.enhanced .clip{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .85s var(--ease)}
.enhanced .clip.in{opacity:1;transform:none}
.enhanced .title-mask{clip-path:inset(0 100% 0 0);transition:clip-path 1.05s var(--ease)}
.enhanced .title-mask.in{clip-path:inset(0 0 0 0)}
.enhanced .scale-in{opacity:0;transform:translateY(26px) scale(0.97);transition:opacity .8s ease,transform 1s var(--ease)}
.enhanced .scale-in.in{opacity:1;transform:none}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .enhanced .reveal,.enhanced .clip,.enhanced .title-mask,.enhanced .scale-in{opacity:1!important;transform:none!important;clip-path:none!important;transition:none!important}
}

/* ---------- header ---------- */
header{position:fixed;top:0;left:0;right:0;z-index:60;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px clamp(22px,5vw,64px);transition:background .4s ease,border-color .4s ease;border-bottom:1px solid transparent}
header.scrolled{background:rgba(14,14,17,0.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line-d)}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-logo{height:34px;width:auto}
.brand-tag{font-size:11px;font-weight:500;letter-spacing:0.16em;text-transform:uppercase;color:var(--mut-d);white-space:nowrap}
.hdr-nav{display:flex;gap:clamp(14px,2.5vw,28px)}
.hdr-nav a{font-size:12px;font-weight:600;letter-spacing:0.12em;text-transform:uppercase;color:var(--mut-d);transition:color .25s}
.hdr-nav a:hover{color:var(--orange)}
@media(max-width:700px){.brand-tag{display:none}.hdr-nav a:nth-child(4){display:none}}

/* ---------- indicador lateral ---------- */
.dots{position:fixed;right:clamp(10px,1.8vw,26px);top:50%;transform:translateY(-50%);z-index:55;display:flex;flex-direction:column;gap:11px}
.dots a{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,0.28);transition:background .3s,transform .3s;display:block}
.dots a.on{background:var(--orange);transform:scale(1.45)}
body.on-light .dots a{background:rgba(15,15,20,0.22)}
body.on-light .dots a.on{background:var(--orange)}
@media(max-width:900px){.dots{display:none}}

/* ---------- 1 · hero ---------- */
.hero{min-height:100svh;display:flex;flex-direction:column;justify-content:center;overflow:hidden;padding-top:120px}
.hero .wrap{position:relative;z-index:2}
.hero-logo{height:clamp(64px,9vw,104px);width:auto;margin-bottom:30px}
.hero-title{font-size:clamp(44px,7.6vw,96px);max-width:14ch}
.hero-sub{color:var(--mut-d);font-size:clamp(15.5px,1.8vw,19px);max-width:56ch;margin-top:24px}
.hero-glow{position:absolute;top:-220px;right:-180px;width:640px;height:640px;border-radius:50%;background:radial-gradient(circle,rgba(241,103,31,0.13),transparent 64%);pointer-events:none}
.hero-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,0.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.035) 1px,transparent 1px);background-size:84px 84px;-webkit-mask-image:radial-gradient(circle at 68% 36%,#000,transparent 70%);mask-image:radial-gradient(circle at 68% 36%,#000,transparent 70%);pointer-events:none}
.enhanced .hero-logo{animation:heroIn .9s var(--ease) .05s both}
.enhanced .hero .eyebrow{animation:heroIn .9s var(--ease) .18s both}
.enhanced .hero-title{animation:heroIn 1s var(--ease) .3s both}
.enhanced .hero-sub{animation:heroIn 1s var(--ease) .5s both}
@keyframes heroIn{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
.scroll-hint{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:10px;z-index:2}
.sh-label{font-size:10.5px;font-weight:600;letter-spacing:0.24em;text-transform:uppercase;color:var(--mut-d)}
.sh-line{width:1px;height:44px;background:linear-gradient(var(--orange),transparent);display:block;overflow:hidden;position:relative}
.enhanced .sh-line::after{content:"";position:absolute;top:-100%;left:0;width:100%;height:100%;background:linear-gradient(rgba(255,255,255,.9),transparent);animation:shDrop 2.2s ease-in-out infinite}
@keyframes shDrop{0%{top:-100%}60%{top:100%}100%{top:100%}}

/* ---------- 2 · pilares ---------- */
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(18px,2.6vw,34px)}
@media(max-width:1000px){.pillars{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.pillars{grid-template-columns:1fr}}
.pillar{border-top:1px solid var(--line-d);padding-top:22px}
.p-num{font-family:var(--font-disp);font-size:clamp(30px,3.4vw,42px);font-weight:700;color:var(--orange);display:block;margin-bottom:12px;line-height:1}
.pillar h3{font-size:17px;letter-spacing:0.03em;margin-bottom:10px}
.pillar p{font-size:14.5px;color:var(--mut-d)}

/* ---------- 3 · sistema visual ---------- */
.sys-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(22px,3vw,40px)}
@media(max-width:820px){.sys-grid{grid-template-columns:1fr}}
.sys-item{background:#fff;border:1px solid var(--line-l);border-radius:18px;padding:clamp(22px,3vw,34px)}
.sys-item h3{font-size:14px;letter-spacing:0.14em;color:var(--mut-l);margin-bottom:18px}
.sys-item p{font-size:14.5px;color:var(--mut-l)}
.sys-item p b{color:var(--ink-l)}
.swatches{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.sw{flex:1;min-width:86px;height:74px;border-radius:12px;display:flex;align-items:flex-end;padding:8px 10px;color:#fff}
.sw i{font-style:normal;font-size:10.5px;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;opacity:.85}
.type-demo{display:block;margin-bottom:16px}
.td-big{font-family:var(--font-disp);font-weight:600;text-transform:uppercase;font-size:clamp(24px,2.6vw,32px);line-height:1.1;color:var(--ink-l);display:block}
.td-small{display:block;margin-top:10px;font-size:14px;color:var(--mut-l)}
.sys-lead{font-family:var(--font-disp);text-transform:uppercase;font-size:clamp(20px,2.2vw,26px);color:var(--ink-l);margin-bottom:14px;line-height:1.2}
.o-chip{background:var(--orange);color:#fff;padding:2px 12px;border-radius:6px;display:inline-block}
.shape-demo{display:flex;align-items:center;gap:16px;margin-bottom:18px;height:74px}
.shp{display:inline-block}
.shp-line{width:70px;height:2px;background:var(--orange)}
.shp-round{width:58px;height:58px;border:1.5px solid var(--line-l);border-radius:16px}
.shp-pill{background:var(--blue);color:#fff;font-size:11px;font-weight:600;letter-spacing:0.1em;text-transform:uppercase;padding:9px 20px;border-radius:100px}

/* ---------- 4 · mockup ---------- */
.mockup-stage{max-width:1020px;margin:0 auto;filter:drop-shadow(0 44px 70px rgba(20,20,25,0.18))}
.mockup-stage img{width:100%;height:auto}
.mockup-note{text-align:center;margin-top:26px;font-size:13px;font-weight:500;letter-spacing:0.1em;text-transform:uppercase;color:var(--mut-l)}

/* ---------- 5 · posts ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.4vw,30px)}
@media(max-width:900px){.post-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:540px){.post-grid{grid-template-columns:1fr;max-width:400px;margin:0 auto}}
.post-card{cursor:zoom-in;outline:none}
.post-card img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:14px;border:1px solid var(--line-d);transition:transform .5s var(--ease),border-color .35s}
.post-card:hover img,.post-card:focus-visible img{transform:translateY(-5px);border-color:rgba(241,103,31,0.55)}
.post-card figcaption{display:flex;align-items:center;justify-content:space-between;padding:12px 4px 0}
.cat{font-size:11px;font-weight:600;letter-spacing:0.14em;text-transform:uppercase;color:var(--orange)}
.fname{font-size:11.5px;letter-spacing:0.06em;color:var(--mut-d)}

/* ---------- 6 · alternância ---------- */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,70px);align-items:center}
@media(max-width:900px){.grid2{grid-template-columns:1fr}}
.grid2.rev>.apply-stage{order:0}
@media(max-width:900px){.grid2.rev>.apply-stage{order:1}}
.rhythm-list li{border-top:1px solid var(--line-d);padding:14px 0;font-size:14.5px;color:var(--mut-d)}
.rhythm-list li b{color:var(--ink-d);font-weight:600}
section.light .rhythm-list li{border-top-color:var(--line-l);color:var(--mut-l)}
section.light .rhythm-list li b{color:var(--ink-l)}
.feed-sim{max-width:430px;margin:0 auto;width:100%}
/* grade fiel: cada peça em 4:5, visível por completo, com gaps brancos como no perfil */
.fs-frame{display:grid;grid-template-columns:repeat(3,1fr);gap:3px;background:#fff;border:1px solid var(--line-l);border-radius:16px;overflow:hidden;padding:3px;box-shadow:0 30px 60px -42px rgba(20,20,25,0.35)}
.fs-frame img{width:100%;aspect-ratio:4/5;object-fit:contain;background:#fff}
.fs-note{display:block;text-align:center;margin-top:14px;font-size:11px;font-weight:500;letter-spacing:0.16em;text-transform:uppercase;color:var(--mut-d)}
section.light .fs-note{color:var(--mut-l)}

/* ---------- 7 · stories ---------- */
.stories-rail-outer{overflow:hidden}
.stories-rail{display:flex;gap:clamp(16px,2.2vw,26px);overflow-x:auto;padding:6px clamp(22px,calc((100vw - var(--maxw))/2 + 64px),50vw) 22px;scroll-padding:0 clamp(22px,calc((100vw - var(--maxw))/2 + 64px),50vw);scroll-snap-type:x proximity;cursor:grab;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,0.22) transparent}
.stories-rail.dragging{cursor:grabbing;scroll-snap-type:none}
.stories-rail::-webkit-scrollbar{height:6px}
.stories-rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.18);border-radius:3px}
.story-item{flex:0 0 auto;width:clamp(200px,22vw,250px);scroll-snap-align:start;cursor:zoom-in}
.st-frame{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line-d);background:#000}
.st-frame img{width:100%;aspect-ratio:9/16;object-fit:cover;transition:transform .6s var(--ease)}
.story-item:hover .st-frame img{transform:scale(1.025)}
.st-bar{position:absolute;top:10px;left:10px;right:10px;display:flex;gap:4px;z-index:2}
.st-bar i{flex:1;height:2.5px;border-radius:3px;background:rgba(255,255,255,0.35)}
.st-bar i.on{background:var(--orange)}
.story-item figcaption{margin-top:10px;text-align:center;font-size:11px;font-weight:500;letter-spacing:0.14em;text-transform:uppercase;color:var(--mut-d)}

/* ---------- 8 · destaques ---------- */
.hl-row{display:flex;justify-content:center;gap:clamp(26px,5vw,64px);flex-wrap:wrap}
.hl{display:flex;flex-direction:column;align-items:center;gap:10px;min-width:110px}
/* capa oficial (1080×1920) exibida em recorte circular central, como na interface do Instagram */
.hl-circle{width:clamp(84px,9vw,110px);height:clamp(84px,9vw,110px);border-radius:50%;box-shadow:0 16px 34px -16px rgba(241,103,31,0.55);position:relative}
.hl-circle img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.hl-circle::after{content:"";position:absolute;inset:-7px;border-radius:50%;border:1.5px solid rgba(241,103,31,0.4);pointer-events:none}
.hl-name{font-family:var(--font-disp);font-weight:600;text-transform:uppercase;font-size:15px;letter-spacing:0.06em;color:var(--ink-l)}
.hl-desc{font-size:12px;color:var(--mut-l);margin-top:-6px}
.hl-note{text-align:center;margin-top:clamp(30px,5vh,46px);font-size:12.5px;letter-spacing:0.08em;text-transform:uppercase;color:var(--mut-l)}

/* ---------- 9 · aplicabilidade ---------- */
.apply-stage{display:flex;justify-content:center}
.apply-card{position:relative;max-width:380px;width:100%}
.apply-card img{width:100%;border-radius:16px;border:1px solid var(--line-d)}
.tag{position:absolute;display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:600;letter-spacing:0.1em;text-transform:uppercase;color:#fff;background:rgba(14,14,17,0.78);border:1px solid rgba(241,103,31,0.6);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border-radius:100px;padding:6px 14px;white-space:nowrap}
.tag i{width:7px;height:7px;border-radius:50%;background:var(--orange);display:inline-block}
.tag.t1{top:7%;right:-4%}
.tag.t2{top:56%;left:-6%}
.tag.t3{bottom:6%;right:-2%}
@media(max-width:480px){.tag.t1{right:2%}.tag.t2{left:2%}.tag.t3{right:2%}}
.apply-list li{border-top:1px solid var(--line-d);padding:15px 0;font-size:14.5px;color:var(--mut-d)}
.apply-list li b{color:var(--ink-d)}

/* ---------- 10 · encerramento ---------- */
.final-sec{min-height:88svh;display:flex;align-items:center;overflow:hidden}
.final-glow{position:absolute;bottom:-280px;left:50%;transform:translateX(-50%);width:860px;height:560px;border-radius:50%;background:radial-gradient(ellipse,rgba(241,103,31,0.10),transparent 62%);pointer-events:none}
.final{text-align:center;position:relative;z-index:2}
.final-logo{height:clamp(60px,8vw,92px);width:auto;margin:0 auto 30px}
.center-title{max-width:24ch;margin:0 auto}
.center-sub{margin-left:auto;margin-right:auto}
/* próximos passos: leitura informativa, sem aparência de botão ou link */
.approve{margin-top:clamp(40px,6vh,58px)}
.ap-title{display:block;font-size:11px;font-weight:600;letter-spacing:0.24em;text-transform:uppercase;color:var(--orange);margin-bottom:26px}
.ap-steps{display:flex;justify-content:center;align-items:stretch;gap:clamp(24px,4vw,56px);flex-wrap:wrap;max-width:900px;margin:0 auto;counter-reset:step}
.ap-steps li{display:flex;align-items:flex-start;gap:14px;text-align:left;max-width:240px}
.st-num{font-family:var(--font-disp);font-weight:700;font-size:clamp(26px,2.6vw,34px);line-height:1;color:var(--orange)}
.st-txt{display:flex;flex-direction:column;gap:4px}
.st-txt b{font-size:14px;font-weight:600;letter-spacing:0.04em;text-transform:uppercase;color:var(--ink-l)}
.st-txt em{font-style:normal;font-size:13px;color:var(--mut-l);line-height:1.5}
@media(max-width:640px){.ap-steps{flex-direction:column;align-items:center}.ap-steps li{max-width:300px}}
.credits{margin-top:clamp(46px,8vh,72px);display:flex;flex-direction:column;align-items:center;gap:16px}
.cr-label{font-size:11px;font-weight:500;letter-spacing:0.2em;text-transform:uppercase;color:var(--mut-l)}
.nat-logo{height:40px;width:auto}

/* ---------- modal ---------- */
.modal{position:fixed;inset:0;z-index:100;background:rgba(10,10,12,0.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;padding:clamp(16px,4vw,48px);opacity:0;pointer-events:none;transition:opacity .3s ease}
.modal.open{opacity:1;pointer-events:auto}
.modal-body{display:flex;flex-direction:column;align-items:center;gap:14px;max-width:100%;max-height:100%}
.modal-body img{max-width:min(92vw,560px);max-height:78vh;width:auto;height:auto;object-fit:contain;border-radius:14px;box-shadow:0 40px 90px rgba(0,0,0,0.6)}
.modal-body figcaption{font-size:12px;font-weight:600;letter-spacing:0.14em;text-transform:uppercase;color:var(--mut-d)}
.modal-close{position:absolute;top:18px;right:22px;width:46px;height:46px;border:1px solid var(--line-d);background:rgba(255,255,255,0.06);color:#fff;font-size:26px;line-height:1;border-radius:50%;cursor:pointer;transition:background .25s,border-color .25s}
.modal-close:hover{background:var(--orange);border-color:var(--orange)}

/* ---------- voltar ao topo ---------- */
.to-top{position:fixed;right:clamp(16px,3vw,34px);bottom:clamp(16px,3vh,30px);z-index:58;width:46px;height:46px;border-radius:50%;border:1px solid var(--line-d);background:rgba(14,14,17,0.8);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transform:translateY(8px);transition:opacity .35s,transform .35s,background .25s,border-color .25s}
.to-top svg{width:18px;height:18px}
.to-top.show{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{background:var(--orange);border-color:var(--orange)}