*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  :root {
    --black: #1d1d1f;
    --gray: #6e6e73;
    --gray-light: #f5f5f7;
    --gray-line: #d2d2d7;
    --green: #2d6a4f;
    --green-light: #e8f2ec;
    --amber: #92600a;
    --amber-light: #fef3dc;
    --brown: #6b4226;
    --brown-light: #f5ece4;
    --white: #ffffff;
    --col: 720px;
  }

  html { font-size: 16px; }
  body {
    background: var(--white);
    color: var(--black);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
  }

  /* NAV */
  nav {
    background: rgba(255,255,255,0.85);
    backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--gray-line);
    padding: 0 40px;
    position: sticky;
    top: 0;
    z-index: 100;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .nav-brand {
    font-size: 14px;
    font-weight: 500;
    color: var(--black);
  }
  .nav-cta {
    font-size: 13px;
    font-weight: 500;
    color: var(--white);
    background: var(--green);
    padding: 7px 16px;
    border-radius: 980px;
    text-decoration: none;
    transition: opacity 0.15s;
  }
  .nav-cta:hover { opacity: 0.85; }

  /* HERO */
  .hero {
    padding: 100px 40px 80px;
    text-align: center;
    background: var(--green);
  }
  .hero-inner { max-width: var(--col); margin: 0 auto; }
  .hero-kicker {
    font-size: 13px;
    font-weight: 400;
    color: rgba(255,255,255,0.6);
    margin-bottom: 16px;
  }
  .hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 600;
    color: var(--white);
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
  }
  .hero-sub {
    font-size: 17px;
    color: rgba(255,255,255,0.65);
    line-height: 1.6;
    font-weight: 300;
    max-width: 480px;
    margin: 0 auto;
  }

  /* PROPOSTA */
  .proposta {
    padding: 80px 40px;
    border-top: 1px solid var(--gray-line);
  }
  .proposta-inner {
    max-width: var(--col);
    margin: 0 auto;
  }

  .proposta-kicker {
    font-size: 12px;
    font-weight: 500;
    color: var(--brown);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 12px;
  }
  .proposta h2 {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    font-weight: 600;
    color: var(--black);
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin-bottom: 32px;
  }

  /* PROBLEMA */
  .problema {
    background: var(--amber-light);
    border-radius: 12px;
    border-left: 3px solid var(--amber);
    padding: 24px 28px;
    margin-bottom: 40px;
  }
  .problema-label {
    font-size: 11px;
    font-weight: 500;
    color: var(--amber);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 10px;
  }
  .problema p {
    font-size: 15px;
    color: var(--black);
    line-height: 1.65;
    font-weight: 300;
  }

  /* NUMEROS DA AUDITORIA */
  .nums {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border: 1px solid var(--gray-line);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 36px;
  }
  .num {
    padding: 22px 16px;
    text-align: center;
    border-right: 1px solid var(--gray-line);
  }
  .num:last-child { border-right: none; }
  .num-valor {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
    color: var(--green);
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: 6px;
  }
  .num-desc { font-size: 12px; color: var(--gray); line-height: 1.45; font-weight: 300; }

  .fonte {
    font-size: 12px;
    color: var(--gray);
    font-weight: 300;
    line-height: 1.6;
  }
  .fonte a { color: var(--green); }

  /* GRID */
  .grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 48px;
  }
  .grid-item {
    padding: 24px;
    background: var(--green-light);
    border-radius: 12px;
    border-top: 2px solid var(--green);
  }
  .grid-title {
    font-size: 15px;
    font-weight: 500;
    color: var(--green);
    margin-bottom: 6px;
  }
  .grid-desc {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.6;
    font-weight: 300;
  }

  /* PRECO */
  .preco-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    padding: 28px 28px;
    background: var(--brown-light);
    border-radius: 12px;
  }
  .preco-valor {
    font-size: 2rem;
    font-weight: 600;
    color: var(--brown);
    letter-spacing: -0.02em;
    line-height: 1;
  }
  .preco-detalhe {
    font-size: 13px;
    color: var(--gray);
    margin-top: 5px;
    font-weight: 300;
  }
  .btn {
    display: inline-block;
    background: var(--brown);
    color: var(--white);
    font-size: 14px;
    font-weight: 500;
    padding: 12px 24px;
    border-radius: 980px;
    text-decoration: none;
    white-space: nowrap;
    transition: opacity 0.15s;
  }
  .btn:hover { opacity: 0.85; }

  /* PROPOSTA COMPLETA */
  .proposta-completa {
    background: var(--green);
    border-top: none;
  }
  .proposta-completa .proposta-kicker { color: rgba(255,255,255,0.65); }
  .proposta-completa h2 { color: var(--white); }
  .proposta-completa .problema {
    background: rgba(255,255,255,0.12);
    border-left-color: rgba(255,255,255,0.4);
  }
  .proposta-completa .problema-label { color: rgba(255,255,255,0.55); }
  .proposta-completa .problema p { color: rgba(255,255,255,0.85); }
  .proposta-completa .grid-item {
    background: rgba(255,255,255,0.12);
    border-top-color: rgba(255,255,255,0.3);
  }
  .proposta-completa .grid-title { color: var(--white); }
  .proposta-completa .grid-desc { color: rgba(255,255,255,0.6); }
  .proposta-completa .preco-row {
    background: var(--amber-light);
  }
  .proposta-completa .preco-valor { color: var(--amber); }
  .proposta-completa .preco-detalhe { color: var(--gray); }
  .proposta-completa .btn {
    background: var(--amber);
    color: var(--white);
  }

  .badge {
    display: inline-block;
    background: #86efac;
    color: #14532d;
    font-size: 11px;
    font-weight: 500;
    padding: 3px 10px;
    border-radius: 20px;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
  }

  .plataformas {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 36px;
  }
  .plat {
    border: 1px solid rgba(255,255,255,0.18);
    color: rgba(255,255,255,0.5);
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 300;
  }

  .economia-tag {
    display: inline-block;
    background: #86efac;
    color: #14532d;
    font-size: 11px;
    font-weight: 500;
    padding: 2px 10px;
    border-radius: 20px;
    margin-left: 12px;
    vertical-align: middle;
  }

  /* FOOTER */
  footer {
    background: var(--gray-light);
    padding: 32px 40px;
    border-top: 1px solid var(--gray-line);
  }
  .footer-inner {
    max-width: var(--col);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
  }
  .footer-inner span { font-size: 12px; color: var(--gray); }

  @media (max-width: 580px) {
    .grid { grid-template-columns: 1fr; }
    .nums { grid-template-columns: 1fr 1fr; }
    .num:nth-child(2) { border-right: none; }
    .num:nth-child(1), .num:nth-child(2) { border-bottom: 1px solid var(--gray-line); }
    .preco-row { flex-direction: column; align-items: flex-start; }
    .proposta { padding: 56px 20px; }
    nav { padding: 0 20px; }
    .hero { padding: 72px 20px 56px; }
    footer { padding: 24px 20px; }
  }

  @media (prefers-reduced-motion: reduce) {
    * { transition: none !important; }
  }

  /* ===== PAGINA DE OPORTUNIDADES ===== */

  .nav-link {
    font-size: 13px;
    color: var(--gray);
    text-decoration: none;
    font-weight: 400;
    margin-right: 20px;
  }
  .nav-link:hover { color: var(--black); }
  .nav-right { display: flex; align-items: center; }

  .intro {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.7;
    font-weight: 300;
    margin-bottom: 36px;
  }

  /* item de oportunidade */
  .op {
    border: 1px solid var(--gray-line);
    border-radius: 12px;
    padding: 20px 22px;
    margin-bottom: 12px;
  }
  .op-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 8px;
  }
  .op-title {
    font-size: 15px;
    font-weight: 500;
    color: var(--black);
  }
  .op-tag {
    font-size: 11px;
    font-weight: 500;
    color: var(--amber);
    background: var(--amber-light);
    padding: 3px 10px;
    border-radius: 20px;
    white-space: nowrap;
  }
  .op-tag.ok {
    color: #14532d;
    background: #dcfce7;
  }
  .op-desc {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.65;
    font-weight: 300;
    margin-bottom: 10px;
  }
  .op-medir {
    font-size: 12px;
    color: var(--green);
    font-weight: 400;
    border-top: 1px solid var(--gray-line);
    padding-top: 10px;
  }

  /* prioridade */
  .fase {
    display: inline-block;
    font-size: 11px;
    font-weight: 500;
    color: var(--white);
    background: var(--green);
    padding: 3px 12px;
    border-radius: 20px;
    margin-bottom: 14px;
  }
  .fase.dois { background: var(--amber); }
  .fase.tres { background: var(--brown); }

  .bloco { margin-bottom: 44px; }
  .bloco h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 6px;
    letter-spacing: -0.01em;
  }
  .bloco-sub {
    font-size: 14px;
    color: var(--gray);
    font-weight: 300;
    line-height: 1.6;
    margin-bottom: 18px;
  }

  @media (max-width: 580px) {
    .nav-link { margin-right: 12px; }
    .op { padding: 16px 18px; }
  }