:root{
    --bg: #faf9f5;
    --bg-elev: #f1efe7;
    --bg-elev-2: #eae7dc;
    --line: #dcd8cb;
    --fg: #17171a;
    --fg-muted: #6b675e;
    --accent: #cf2030;
    --accent-dim: #a91a28;
    --radius: 2px;
    --wrap: 1180px;
  }

  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--bg);
    color:var(--fg);
    font-family:'Inter', sans-serif;
    font-size:16px;
    line-height:1.55;
    -webkit-font-smoothing:antialiased;
  }
  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    *{animation-duration:0.001ms !important; transition-duration:0.001ms !important;}
  }

  h1,h2,.display{
    font-family:'Oswald', sans-serif;
    text-transform:uppercase;
    letter-spacing:0.01em;
    font-weight:600;
    line-height:1.05;
  }
  .mono{font-family:'IBM Plex Mono', monospace;}
  .eyebrow{
    font-family:'IBM Plex Mono', monospace;
    font-size:12px;
    letter-spacing:0.18em;
    text-transform:uppercase;
    color:var(--accent);
    display:flex;
    align-items:center;
    gap:10px;
  }
  .eyebrow::before{
    content:"";
    width:22px; height:1px;
    background:var(--accent);
    display:inline-block;
  }
  a{color:inherit; text-decoration:none;}
  img{max-width:100%; display:block;}
  .wrap{max-width:var(--wrap); margin:0 auto; padding:0 24px;}
  :focus-visible{outline:2px solid var(--accent); outline-offset:3px;}

  .progress-rail{
    position:fixed; top:0; left:0; right:0; height:3px;
    background:var(--bg-elev); z-index:200;
  }
  .progress-fill{
    height:100%; width:0%;
    background:linear-gradient(90deg, var(--accent-dim), var(--accent));
    transition:width 0.08s linear;
  }

  header.nav{
    position:fixed; top:0; left:0; right:0; z-index:150;
    background:transparent;
    padding:26px 0;
    transition:background 0.3s ease, padding 0.3s ease;
  }
  header.nav.scrolled{
    background:rgba(14,11,9,0.92);
    padding:16px 0;
    -webkit-backdrop-filter:blur(6px);
    backdrop-filter:blur(6px);
    border-bottom:1px solid rgba(255,255,255,0.1);
  }
  .nav-inner{display:flex; align-items:center; justify-content:center;}
  .brand{
    display:flex; align-items:center; gap:16px;
    filter:drop-shadow(0 2px 10px rgba(0,0,0,0.45));
    transition:filter 0.3s ease;
  }
  .brand-logo{height:42px; width:auto; display:block;}
  .brand-sep{width:1px; height:28px; background:rgba(255,255,255,0.4);}

  /* Hero — apenas o título, com vídeo de fundo */
  #hero{
    min-height:100svh;
    display:flex; align-items:center;
    position:relative;
    padding-top:90px;
    overflow:hidden;
    background:#0e0b09;
  }
  .hero-video{
    position:absolute; inset:0;
    width:100%; height:100%;
    object-fit:cover;
    z-index:0;
  }
  .hero-scrim{
    position:absolute; inset:0; z-index:1;
    background:linear-gradient(180deg, rgba(10,7,5,0.35), rgba(10,7,5,0.55) 55%, rgba(10,7,5,0.8));
  }
  #hero .wrap{position:relative; z-index:2;}
  h1.hero-title{
    font-size:clamp(2.6rem, 7vw, 6rem);
    max-width:14ch;
    color:#fff;
  }
  h1.hero-title em{font-style:normal; color:var(--accent);}

  .btn{
    display:inline-flex; align-items:center; gap:8px;
    padding:15px 28px; font-size:13px; letter-spacing:0.08em;
    text-transform:uppercase; font-weight:600; border-radius:var(--radius);
    border:1px solid transparent; cursor:pointer; transition:all 0.15s;
    font-family:'Inter', sans-serif;
  }
  .btn-primary{background:var(--accent); color:#fff;}
  .btn-primary:hover{background:var(--accent-dim); transform:translateY(-1px);}
  .btn-ghost{border-color:var(--line); color:var(--fg);}
  .btn-ghost:hover{border-color:var(--fg-muted);}

  /* Apresentação única — abas de categoria + carrossel de fotos */
  .presentation{
    position:relative;
    min-height:100svh;
    overflow:hidden;
  }
  .tabs{
    position:relative; z-index:4;
    display:flex; gap:10px; justify-content:center; flex-wrap:wrap;
    padding-top:40px;
  }
  .tab{
    font-family:'IBM Plex Mono', monospace; font-size:11.5px; letter-spacing:0.1em;
    text-transform:uppercase; padding:10px 18px; border-radius:20px;
    border:1px solid rgba(255,255,255,0.28); color:rgba(255,255,255,0.75);
    background:rgba(0,0,0,0.12); cursor:pointer; transition:all 0.2s;
  }
  .tab:hover{border-color:rgba(255,255,255,0.55); color:#fff;}
  .tab.active{border-color:var(--accent); background:var(--accent); color:#fff;}

  .stage{
    position:absolute; inset:0; z-index:0;
    display:flex; align-items:center; justify-content:flex-end;
    transition:opacity 0.45s ease;
  }
  .stage.fading{opacity:0;}
  .stage-bg{position:absolute; inset:0; z-index:0; transition:background 0.1s;}
  .stage-media{
    position:absolute; inset:0; z-index:1;
    display:flex; align-items:center; justify-content:center;
  }
  .stage-img{
    position:absolute;
    max-width:min(1100px, 82%); max-height:80%;
    width:auto; height:auto;
    object-fit:contain;
    opacity:0;
    image-rendering:auto;
    filter:drop-shadow(0 30px 40px rgba(0,0,0,0.35));
    transition:opacity 1s ease;
  }
  .stage-img.visible{opacity:1;}
  .stage-content{
    position:relative; z-index:2;
    text-align:right;
    padding:0 clamp(28px, 8vw, 120px);
    max-width:460px;
  }
  .stage-num{
    font-family:'IBM Plex Mono', monospace; font-size:12px; color:var(--accent);
    letter-spacing:0.14em; margin-bottom:14px; justify-content:flex-end;
  }
  .stage-num::before{display:none;}
  .cat-title{font-size:clamp(2.4rem, 6vw, 4.4rem); color:#fff;}
  .stage-content .btn{margin-top:30px;}

  footer{padding:40px 0; border-top:1px solid var(--line);}
  .footer-row{
    display:flex; justify-content:space-between; align-items:center;
    flex-wrap:wrap; gap:12px; font-size:12px; color:var(--fg-muted);
  }
  .footer-row a:hover{color:var(--fg);}

  /* Formulário */
  #formulario{padding:110px 0; background:var(--bg-elev);}
  .form-grid{display:grid; grid-template-columns:0.8fr 1.2fr; gap:60px; align-items:start;}
  .form-side h2{font-size:clamp(1.8rem,3vw,2.4rem); margin-top:14px;}
  .form-side p{color:var(--fg-muted); margin-top:16px; max-width:36ch;}
  form{
    background:var(--bg-elev-2); border:1px solid var(--line);
    padding:32px; border-radius:4px;
  }
  .form-row{display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-bottom:16px;}
  .field{display:flex; flex-direction:column; gap:6px; position:relative;}
  .field.full{grid-column:1 / -1;}
  .phone-group{display:flex; gap:8px;}
  .ddi-select{flex:0 0 92px; width:92px; padding:13px 6px; text-align:center; cursor:pointer;}
  .phone-group input{flex:1; min-width:0;}

  label{
    font-family:'IBM Plex Mono', monospace; font-size:10.5px; letter-spacing:0.09em;
    text-transform:uppercase; color:var(--fg-muted); transition:color 0.15s;
  }

  /* Inputs modernos com foco animado */
  input, select{
    appearance:none; -webkit-appearance:none;
    background:var(--bg); border:1.5px solid var(--line); color:var(--fg);
    padding:13px 16px; font-family:'Inter', sans-serif; font-size:14px;
    border-radius:8px; width:100%; outline:none;
    transition:border-color 0.18s, box-shadow 0.18s;
    -webkit-font-smoothing:antialiased;
  }
  input::placeholder{color:#b0aca1;}
  input:focus, select:focus{
    border-color:var(--accent);
    box-shadow:0 0 0 3px rgba(207,32,48,0.12);
  }

  /* Custom dropdown */
  .cs-wrap{position:relative; user-select:none;}
  .cs-trigger{
    display:flex; align-items:center; justify-content:space-between; gap:8px;
    background:var(--bg); border:1.5px solid var(--line); color:var(--fg);
    padding:13px 16px; font-family:'Inter', sans-serif; font-size:14px;
    border-radius:8px; width:100%; cursor:pointer;
    transition:border-color 0.18s, box-shadow 0.18s;
  }
  .cs-trigger:focus{outline:none;}
  .cs-trigger.open,
  .cs-trigger:focus-visible{
    border-color:var(--accent);
    box-shadow:0 0 0 3px rgba(207,32,48,0.12);
  }
  .cs-placeholder{color:#b0aca1;}
  .cs-value{color:var(--fg); font-weight:500;}
  .cs-arrow{
    flex-shrink:0; width:16px; height:16px;
    display:flex; align-items:center; justify-content:center;
    transition:transform 0.2s ease;
  }
  .cs-arrow svg{width:14px; height:14px; stroke:var(--fg-muted); stroke-width:2.2; fill:none; display:block;}
  .cs-trigger.open .cs-arrow{transform:rotate(180deg);}
  .cs-trigger.open .cs-arrow svg{stroke:var(--accent);}

  .cs-dropdown{
    position:absolute; top:calc(100% + 6px); left:0; right:0; z-index:999;
    background:#fff; border:1.5px solid var(--line);
    border-radius:10px; overflow:hidden;
    box-shadow:0 8px 32px rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.06);
    opacity:0; transform:translateY(-6px) scale(0.98);
    pointer-events:none;
    transition:opacity 0.18s ease, transform 0.18s ease;
    max-height:260px;
  }
  .cs-dropdown.open{
    opacity:1; transform:translateY(0) scale(1);
    pointer-events:auto;
  }
  .cs-search{
    padding:10px 12px; border-bottom:1px solid var(--line);
    display:flex; align-items:center; gap:8px;
    position:sticky; top:0; background:#fff; z-index:1;
  }
  .cs-search input{
    border:none; background:transparent; flex:1; font-size:13px;
    color:var(--fg); outline:none; padding:0;
    font-family:'Inter', sans-serif;
    border-radius:0; box-shadow:none;
  }
  .cs-search svg{width:14px; height:14px; stroke:var(--fg-muted); stroke-width:2; fill:none; flex-shrink:0;}
  .cs-list{overflow-y:auto; max-height:200px; padding:4px;}
  .cs-list::-webkit-scrollbar{width:4px;}
  .cs-list::-webkit-scrollbar-track{background:transparent;}
  .cs-list::-webkit-scrollbar-thumb{background:var(--line); border-radius:4px;}
  .cs-option{
    padding:10px 14px; cursor:pointer; border-radius:6px; margin:1px 0;
    font-size:14px; font-family:'Inter', sans-serif; color:var(--fg);
    display:flex; align-items:center; justify-content:space-between;
    transition:background 0.1s;
  }
  .cs-option:hover{background:var(--bg-elev);}
  .cs-option.selected{
    background:rgba(207,32,48,0.06); color:var(--accent); font-weight:600;
  }
  .cs-option.selected::after{
    content:"✓"; font-size:12px; color:var(--accent); margin-left:8px;
  }
  .cs-option.hidden{display:none;}
  .cs-empty{padding:14px; text-align:center; font-size:13px; color:var(--fg-muted);}

  /* Estados de erro em tempo real */
  .field.has-error input,
  .field.has-error .cs-trigger{
    border-color:#cf2030;
    box-shadow:0 0 0 3px rgba(207,32,48,0.1);
  }
  .field.has-error label{color:#cf2030;}
  .field-msg{
    font-size:11px; font-family:'IBM Plex Mono', monospace; letter-spacing:0.04em;
    color:#cf2030; margin-top:2px; min-height:14px;
    opacity:0; transform:translateY(-4px);
    transition:opacity 0.15s, transform 0.15s;
  }
  .field.has-error .field-msg{opacity:1; transform:translateY(0);}

  /* Estado válido */
  .field.is-valid input{border-color:#27a24c;}
  .field.is-valid .cs-trigger{border-color:#27a24c;}
  .field.is-valid > .cs-wrap > .cs-trigger{border-color:#27a24c;}
  .field.is-valid::after{
    content:"✓";
    position:absolute; right:14px; top:38px;
    color:#27a24c; font-size:13px; pointer-events:none;
  }
  .field.is-valid .cs-wrap::after{display:none;}

  .form-submit{width:100%; margin-top:8px; padding:16px; font-size:13px; justify-content:center; border-radius:8px;}
  .form-note{font-size:12px; color:var(--fg-muted); margin-top:14px; text-align:center;}
  .form-success{
    display:none; background:rgba(39,162,76,0.08); border:1px solid #27a24c;
    padding:16px; border-radius:8px; font-size:13.5px; margin-top:16px; color:#1a7034;
  }
  .form-success.show{display:block;}

  @media (max-width: 920px){
    .form-grid{grid-template-columns:1fr; gap:36px;}
    .form-row{grid-template-columns:1fr;}
    .stage{justify-content:center; text-align:center;}
    .stage-content{text-align:center; max-width:90%; padding-bottom:50px; align-self:flex-end;}
    .stage-num{justify-content:center;}
    .stage-img{max-width:88%; max-height:46%;}
    .tabs{padding-top:56px;}
  }