:root{
    --bg:#f8f5ee; --card:#fff; --ink:#111008; --muted:#6b6245; --muted2:#4a4333; --line:#e2ddd1; --soft:#eeeadf;
    --y:#fbda00; --accent:#111008; --accent-soft:#fff6c2;
    --ok:#2f6b2f; --ok-soft:#e6f0df; --bad:#a3241b; --bad-soft:#f8e1dc; --warn:#7a5b00; --warn-soft:#fff3b0;
    --serif:"Cormorant Garamond",Georgia,serif; --sans:"Source Sans 3",system-ui,sans-serif;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.5}
  a{color:inherit}
  /* Header */
  .top{background:var(--y);position:sticky;top:0;z-index:5}
  .top-in{max-width:1240px;margin:0 auto;padding:14px 32px;display:flex;align-items:center;justify-content:space-between;gap:16px}
  .brand{text-decoration:none;display:flex;align-items:center;gap:14px}
  .brand img{height:46px;width:auto;display:block}
  .brand-txt{display:block;padding-left:14px;border-left:2px solid var(--ink)}
  .brand .n{display:block;font-family:var(--serif);font-weight:700;font-size:22px;line-height:1;letter-spacing:-.02em}
  .brand .s{display:block;font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;margin-top:3px}
  @media (max-width:640px){.brand-txt{display:none}.brand img{height:38px}}
  nav ul{list-style:none;margin:0;padding:0;display:flex;gap:26px}
  nav a{font-size:13px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;text-decoration:none}
  nav a:hover{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}
  @media (max-width:640px){nav ul{gap:14px}nav a{font-size:11px}.top-in{padding:12px 16px}}
  @media (max-width:420px){nav li:nth-child(n+3){display:none}}
  /* Hero */
  .hero-top{max-width:1240px;margin:0 auto;padding:56px 32px 28px;border-bottom:1px solid var(--line)}
  .eyebrow{font-size:12px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;display:inline-flex;align-items:center;gap:10px}
  .eyebrow:before{content:"";width:28px;height:3px;background:var(--y);display:inline-block}
  .hero-top h1{font-family:var(--serif);font-weight:700;font-size:clamp(44px,7vw,88px);line-height:.95;letter-spacing:-.025em;margin:14px 0 0}
  .hero-top h1 em{font-style:italic;font-weight:500;background:linear-gradient(transparent 62%,var(--y) 62%);padding:0 .08em}
  .hero-top p{max-width:640px;color:var(--muted2);font-size:18px;margin:0}
  @media (max-width:900px){.hero-top{padding:36px 16px 20px}}
  main{max-width:1240px;margin:0 auto;padding:32px 32px 64px;display:grid;grid-template-columns:360px 1fr;gap:28px;align-items:start}
  @media (max-width:900px){main{grid-template-columns:minmax(0,1fr);padding:20px 16px 48px}}
  .card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:22px}
  form.card{position:sticky;top:84px}
  @media (max-width:900px){form.card{position:static}}
  .card h2,.section h3{font-family:var(--serif);font-size:24px;font-weight:700;margin:0 0 12px;letter-spacing:-.01em;text-transform:none;color:var(--ink)}
  .group+.group{margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
  label{display:block;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px;color:var(--muted2)}
  .field{margin-bottom:12px}
  .row2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px}
  input[type=number],input[type=text],select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:6px;background:var(--bg);font:inherit;color:var(--ink)}
  input:focus,select:focus{outline:3px solid var(--y);outline-offset:0;border-color:var(--ink);background:#fff}
  .unit{position:relative}
  .unit span{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:13px;pointer-events:none}
  .unit input{padding-right:40px}
  .check{display:flex;gap:10px;align-items:flex-start;font-size:15px;font-weight:700;letter-spacing:0;text-transform:none;color:var(--ink);cursor:pointer}
  .check input{margin-top:4px;accent-color:var(--ink);width:16px;height:16px}
  .check small{display:block;color:var(--muted);font-weight:400;font-size:13px}
  .presets{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
  .presets button{border:1px solid var(--ink);background:transparent;border-radius:99px;padding:4px 11px;font:inherit;font-size:13px;font-weight:600;cursor:pointer;color:var(--ink)}
  .presets button:hover{background:var(--y)}
  .actions{display:flex;gap:8px;margin-top:20px}
  .btn{flex:1;border:2px solid var(--ink);background:transparent;border-radius:6px;padding:10px;font:inherit;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;color:var(--ink)}
  .btn.primary{background:var(--y)}
  .btn:hover{background:var(--ink);color:var(--y)}
  .hero{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:32px}
  @media (max-width:640px){.hero{grid-template-columns:1fr}}
  .stat{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:20px 22px}
  .stat.main{background:var(--ink);color:#fff;border-color:var(--ink)}
  .stat .k{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.16em;opacity:.75}
  .stat .v{font-family:var(--serif);font-size:72px;font-weight:700;line-height:1;margin-top:8px;letter-spacing:-.02em}
  .stat .v small{font-family:var(--sans);font-size:20px;font-weight:600;opacity:.7;margin-left:6px;letter-spacing:0}
  .stat .sub{font-size:14px;opacity:.75;margin-top:8px}
  .stat.main .v{color:var(--y)}
  .stat .v.txt{font-size:52px;padding-top:10px}
  .section{margin-bottom:32px}
  .diagram{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:18px 18px 10px;overflow-x:auto}
  .diagram svg{display:block;width:100%;height:auto;min-width:520px}
  .ups{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
  .up{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:14px 16px;border-top:4px solid var(--soft)}
  .up .t{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
  .up .n{font-family:var(--serif);font-size:40px;font-weight:700;line-height:1.1;margin-top:4px}
  .up .o{font-size:13px;color:var(--muted)}
  .up.special{border-top-color:var(--y);background:var(--accent-soft)}
  .bind{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
  .b{border-radius:8px;padding:16px;border:1px solid var(--line);background:var(--card)}
  .b .h{display:flex;justify-content:space-between;align-items:center;font-family:var(--serif);font-size:22px;font-weight:700}
  .pill{font-family:var(--sans);font-size:11px;font-weight:700;padding:3px 9px;border-radius:99px;text-transform:uppercase;letter-spacing:.08em}
  .b.ok .pill{background:var(--ok-soft);color:var(--ok)}
  .b.bad .pill{background:var(--bad-soft);color:var(--bad)}
  .b.warn .pill{background:var(--warn-soft);color:var(--warn)}
  .b.ok{border-top:4px solid #8fbf7a}.b.bad{border-top:4px solid #e3a69c}.b.warn{border-top:4px solid var(--y)}
  .b ul{margin:8px 0 0;padding-left:0;list-style:none;font-size:14px;color:var(--muted2)}
  .b li{padding:2px 0}
  .b li.fail{color:var(--bad)}
  .alert{background:var(--bad-soft);color:var(--bad);border-left:4px solid var(--bad);border-radius:4px;padding:10px 14px;font-size:14px;margin-bottom:16px}
  .foot{font-size:13px;color:var(--muted);margin-top:8px}
  .toast{visibility:hidden;opacity:0;position:fixed;bottom:20px;left:50%;transform:translateX(-50%) translateY(90px);background:var(--ink);color:var(--y);font-weight:700;padding:10px 18px;border-radius:6px;font-size:14px;transition:transform .2s,opacity .2s;z-index:9}
  .toast.show{visibility:visible;opacity:1;transform:translateX(-50%) translateY(0)}
  /* Footer */
  footer{background:var(--ink);color:#fff}
  .foot-in{max-width:1240px;margin:0 auto;padding:48px 32px 28px;display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;align-items:flex-end}
  .foot-brand{display:flex;align-items:center;gap:24px}
  .foot-brand img{display:block;height:auto}
  .foot-brand img[src$=".png"]{width:120px}
  .foot-brand img[src$=".svg"]{width:120px}
  .flinks{display:flex;gap:22px;flex-wrap:wrap}
  .flinks a{font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;text-decoration:none;color:#fff}
  .flinks a:hover{color:var(--y)}
  .copy{max-width:1240px;margin:0 auto;padding:16px 32px 28px;font-size:13px;color:rgba(255,255,255,.45);border-top:1px solid rgba(255,255,255,.12)}
  @media (max-width:640px){.foot-in,.copy{padding-left:16px;padding-right:16px}}

  /* Melhoria progressiva */
  .js .nojs-only{display:none}
  html:not(.js) .js-only{display:none}
  .up .n .un{font-family:var(--sans);font-size:14px;font-weight:600;color:var(--muted)}
  .vazio{color:var(--muted);font-style:italic}
  #resultado{transition:opacity .15s}
  #resultado.carregando{opacity:.55}
  .alert div+div{margin-top:4px}
  @media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
  main>*{min-width:0}
  .presets{min-width:0}