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

  :root {
    --verde:        #2e6b1e;
    --verde2:       #3d8c28;
    --verde-claro:  #e8f3e4;
    --verde-borda:  #b8d8a8;
    --preto:        #111111;
    --cinza1:       #2c2c2c;
    --cinza2:       #555555;
    --cinza3:       #888888;
    --cinza4:       #cccccc;
    --borda:        #e0e0e0;
    --fundo:        #f7f7f5;
    --branco:       #ffffff;
    --ok:           #1e6b0e;
    --warn:         #8a5500;
    --bad:          #b01a0a;
    --radius:       4px;
  }

  html { scroll-behavior: smooth; }

  body {
    font-family: 'Montserrat', sans-serif;
    background: var(--fundo);
    color: var(--cinza1);
    overflow-x: hidden;
    line-height: 1.6;
  }

  .topo-inst {
    background: var(--preto);
    color: #aaa;
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    border-bottom: 1px solid #222;
  }
  .topo-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 7px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .topo-links { display: flex; gap: 12px; align-items: center; }
  .topo-links a { color: #aaa; text-decoration: none; transition: color 0.15s; }
  .topo-links a:hover { color: #fff; }
  .topo-sep { color: #444; }

  .navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--preto);
    border-bottom: 3px solid var(--verde);
  }

  .nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: #fff;
    font-size: 1.05rem;
    font-weight: 500;
    letter-spacing: 0.01em;
  }
  .logo-leaf { color: var(--verde2); font-size: 1rem; }
  .nav-logo strong { color: var(--verde2); font-weight: 700; }

  .nav-links { display: flex; }

  .nav-link {
    display: block;
    padding: 0 18px;
    line-height: 64px;
    color: #bbb;
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: color 0.15s;
    border-bottom: 3px solid transparent;
    margin-bottom: -3px;
  }
  .nav-link:hover { color: #fff; }
  .nav-link.active { color: #fff; border-bottom-color: var(--verde2); }

  .nav-cta {
    background: var(--verde);
    color: #fff;
    padding: 9px 22px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    text-decoration: none;
    transition: background 0.15s;
  }
  .nav-cta:hover { background: var(--verde2); }

  .hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
  }
  .hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    transition: all 0.2s;
  }

  .mobile-menu {
    display: none;
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--preto);
    border-bottom: 2px solid var(--verde);
    flex-direction: column;
    z-index: 999;
  }
  .mobile-menu a {
    padding: 14px 24px;
    color: #ccc;
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-bottom: 1px solid #222;
    transition: color 0.12s;
  }
  .mobile-menu a:hover { color: #fff; }
  .mobile-menu.open { display: flex; }

  .hero {
    position: relative;
    height: 92vh;
    min-height: 560px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
  }

  .hero-img-wrap {
    position: absolute;
    inset: 0;
  }
  .hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 40%;
    display: block;
  }
  .hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
      to right,
      rgba(0,0,0,0.78) 0%,
      rgba(0,0,0,0.55) 50%,
      rgba(0,0,0,0.2) 100%
    );
  }

  .hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 80px;
    width: 100%;
  }

  .hero-eyebrow {
    color: var(--verde2);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 20px;
    opacity: 0;
    animation: fadeUp 0.6s 0.1s ease forwards;
  }

  .hero-title {
    font-family: 'Merriweather', serif;
    font-size: clamp(2.8rem, 5.5vw, 5rem);
    font-weight: 300;
    color: #fff;
    line-height: 1.1;
    margin-bottom: 24px;
    opacity: 0;
    animation: fadeUp 0.6s 0.2s ease forwards;
  }
  .hero-title em {
    font-style: italic;
    color: var(--verde2);
  }

  .hero-sub {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.75);
    line-height: 1.75;
    margin-bottom: 36px;
    font-weight: 300;
    opacity: 0;
    animation: fadeUp 0.6s 0.3s ease forwards;
  }

  .hero-actions {
    display: flex;
    gap: 14px;
    opacity: 0;
    animation: fadeUp 0.6s 0.4s ease forwards;
  }

  .btn-hero-primary {
    background: var(--verde);
    color: #fff;
    padding: 13px 30px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    transition: background 0.15s;
  }
  .btn-hero-primary:hover { background: var(--verde2); }

  .btn-hero-ghost {
    border: 1px solid rgba(255,255,255,0.45);
    color: rgba(255,255,255,0.85);
    padding: 13px 30px;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    transition: all 0.15s;
  }
  .btn-hero-ghost:hover { border-color: #fff; color: #fff; }

  .hero-stats-bar {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    z-index: 2;
    background: rgba(0,0,0,0.72);
    backdrop-filter: blur(8px);
    border-top: 1px solid rgba(255,255,255,0.08);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
    opacity: 0;
    animation: fadeUp 0.5s 0.5s ease forwards;
  }

  .hstat {
    padding: 18px 48px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
  }
  .hstat-num {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    line-height: 1;
    font-family: 'Merriweather', serif;
  }
  .hstat-label {
    font-size: 0.66rem;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
    white-space: nowrap;
  }
  .hstat-div {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.12);
  }

  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  .intro-section {
    background: var(--branco);
    border-bottom: 1px solid var(--borda);
  }
  .intro-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 80px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
  }

  .label-tag {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--verde);
    border-left: 3px solid var(--verde);
    padding-left: 10px;
    margin-bottom: 18px;
  }

  .intro-text h2 {
    font-family: 'Merriweather', serif;
    font-size: clamp(1.5rem, 2.5vw, 2.1rem);
    font-weight: 300;
    color: var(--preto);
    line-height: 1.3;
    margin-bottom: 18px;
  }
  .intro-text p {
    font-size: 0.88rem;
    color: var(--cinza2);
    line-height: 1.8;
    margin-bottom: 28px;
    font-weight: 400;
  }

  .btn-outline {
    display: inline-block;
    border: 1.5px solid var(--verde);
    color: var(--verde);
    padding: 10px 22px;
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    transition: all 0.15s;
  }
  .btn-outline:hover { background: var(--verde); color: #fff; }

  .intro-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .intro-card {
    background: var(--fundo);
    border: 1px solid var(--borda);
    padding: 22px 20px;
    transition: border-color 0.15s, box-shadow 0.15s;
  }
  .intro-card:hover {
    border-color: var(--verde-borda);
    box-shadow: 0 4px 20px rgba(0,0,0,0.07);
  }
  .icard-icon { font-size: 1.4rem; margin-bottom: 10px; }
  .intro-card strong {
    display: block;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--preto);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
  }
  .intro-card p { font-size: 0.78rem; color: var(--cinza3); font-weight: 400; }

  .calc-section {
    padding: 80px 0;
    background: var(--fundo);
  }

  .calc-header {
    max-width: 1200px;
    margin: 0 auto 48px;
    padding: 0 80px;
  }
  .calc-header h2 {
    font-family: 'Merriweather', serif;
    font-size: clamp(1.4rem, 2.2vw, 1.9rem);
    font-weight: 300;
    color: var(--preto);
    margin-bottom: 10px;
    line-height: 1.3;
  }
  .calc-header p { font-size: 0.85rem; color: var(--cinza3); font-weight: 400; }

  .calc-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 80px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .calc-inputs {
    background: var(--branco);
    border: 1px solid var(--borda);
    padding: 36px;
  }

  .cinput-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--borda);
  }
  .cinput-header h3 {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--cinza1);
  }

  .btn-clear {
    background: none;
    border: 1px solid var(--borda);
    color: var(--cinza3);
    padding: 5px 12px;
    font-size: 0.72rem;
    font-weight: 500;
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 0.04em;
    transition: all 0.13s;
  }
  .btn-clear:hover { border-color: var(--bad); color: var(--bad); }

  .input-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin-bottom: 28px;
  }

  .field-wrap label {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--cinza1);
    margin-bottom: 6px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }
  .field-wrap .unit { font-weight: 400; color: var(--cinza4); text-transform: none; letter-spacing: 0; }
  .req { color: var(--verde); }

  .field-wrap input,
  .field-wrap select {
    width: 100%;
    background: var(--fundo);
    border: 1px solid var(--borda);
    border-radius: 0;
    color: var(--preto);
    padding: 9px 12px;
    font-size: 0.85rem;
    font-family: 'Montserrat', sans-serif;
    outline: none;
    transition: border-color 0.13s;
    -webkit-appearance: none;
    appearance: none;
  }
  .field-wrap input:focus,
  .field-wrap select:focus {
    border-color: var(--verde);
    background: var(--branco);
  }
  .field-wrap input::placeholder { color: var(--cinza4); }
  .field-wrap select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23aaa'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-color: var(--fundo);
    padding-right: 32px;
    cursor: pointer;
  }

  .field-hint { font-size: 0.67rem; color: var(--cinza4); margin-top: 4px; }

  .btn-calcular {
    width: 100%;
    background: var(--verde);
    border: none;
    color: #fff;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    padding: 14px;
    cursor: pointer;
    transition: background 0.15s;
  }
  .btn-calcular:hover { background: var(--verde2); }

  .calc-resultado {
    background: var(--branco);
    border: 1px solid var(--borda);
    padding: 36px;
    display: flex;
    flex-direction: column;
  }

  .resultado-placeholder {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    text-align: center;
    color: var(--cinza4);
  }
  .placeholder-icon { font-size: 2.2rem; opacity: 0.3; }
  .resultado-placeholder p { font-size: 0.84rem; line-height: 1.6; color: var(--cinza4); }

  .resultado-content { animation: fadeUp 0.3s ease; }

  .res-topo {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--borda);
  }
  .res-label {
    font-size: 0.67rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--cinza3);
    margin-bottom: 6px;
  }
  .res-classificacao {
    font-family: 'Merriweather', serif;
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--preto);
  }
  .res-score {
    font-family: 'Merriweather', serif;
    font-size: 2.4rem;
    font-weight: 300;
    color: var(--verde);
    line-height: 1;
  }

  .res-barra-wrap { margin-bottom: 24px; }
  .res-barra {
    height: 4px;
    background: var(--fundo);
    border: 1px solid var(--borda);
    overflow: hidden;
  }
  .res-barra-fill {
    height: 100%;
    width: 0;
    transition: width 1s cubic-bezier(0.4,0,0.2,1);
  }
  .res-barra-leg {
    font-size: 0.69rem;
    color: var(--cinza4);
    text-align: right;
    margin-top: 5px;
  }

  .indicadores-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 20px;
  }

  .indicador {
    background: var(--fundo);
    border: 1px solid var(--borda);
    padding: 11px 13px;
  }
  .ind-nome { font-size: 0.67rem; color: var(--cinza3); margin-bottom: 3px; text-transform: uppercase; letter-spacing: 0.04em; font-weight: 500; }
  .ind-valor { font-size: 0.98rem; font-weight: 700; color: var(--preto); margin-bottom: 3px; }
  .ind-status { font-size: 0.67rem; font-weight: 600; letter-spacing: 0.03em; }
  .ind-ok   { color: var(--ok); }
  .ind-warn { color: var(--warn); }
  .ind-bad  { color: var(--bad); }
  .ind-na   { color: var(--cinza4); }

  .res-obs {
    border-left: 3px solid var(--verde);
    background: var(--verde-claro);
    padding: 12px 14px;
    font-size: 0.8rem;
    color: var(--cinza1);
    line-height: 1.65;
    margin-bottom: 20px;
  }

  .res-actions { display: flex; gap: 8px; }

  .btn-export, .btn-novo {
    flex: 1;
    padding: 10px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.71rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.13s;
    border-radius: 0;
  }
  .btn-export {
    background: none;
    border: 1px solid var(--borda);
    color: var(--cinza2);
  }
  .btn-export:hover { border-color: var(--cinza2); }
  .btn-novo {
    background: var(--verde-claro);
    border: 1px solid var(--verde-borda);
    color: var(--verde);
  }
  .btn-novo:hover { background: var(--verde-borda); }

  .params-section {
    background: var(--preto);
    padding: 80px 0;
  }
  .params-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 80px;
  }
  .params-header {
    margin-bottom: 40px;
  }
  .params-header .label-tag { color: var(--verde2); border-color: var(--verde2); }
  .params-header h2 {
    font-family: 'Merriweather', serif;
    font-size: clamp(1.4rem, 2.2vw, 1.9rem);
    font-weight: 300;
    color: #fff;
    margin-bottom: 8px;
  }
  .params-header p { font-size: 0.84rem; color: #777; }

  .params-table-wrap {
    overflow-x: auto;
    border: 1px solid #222;
  }
  .params-table { width: 100%; border-collapse: collapse; font-size: 0.83rem; }
  .params-table thead th {
    background: #1a1a1a;
    color: #777;
    font-size: 0.67rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 13px 20px;
    text-align: left;
    border-bottom: 1px solid #2a2a2a;
  }
  .params-table tbody td {
    padding: 13px 20px;
    border-bottom: 1px solid #1e1e1e;
    color: #bbb;
  }
  .params-table tbody tr:last-child td { border-bottom: none; }
  .params-table tbody tr:hover { background: #161616; }
  .td-ok   { color: #5aaa40 !important; font-weight: 600; }
  .td-warn { color: #c88c30 !important; font-weight: 600; }

  .sobre-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 480px;
  }

  .sobre-img-wrap {
    position: relative;
    overflow: hidden;
  }
  .sobre-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: saturate(0.7) brightness(0.85);
  }
  .sobre-img-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.15);
  }

  .sobre-texto {
    background: var(--branco);
    padding: 72px 64px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .sobre-texto h2 {
    font-family: 'Merriweather', serif;
    font-size: clamp(1.4rem, 2.2vw, 1.9rem);
    font-weight: 300;
    color: var(--preto);
    line-height: 1.3;
    margin-bottom: 18px;
  }
  .sobre-texto p {
    font-size: 0.85rem;
    color: var(--cinza2);
    line-height: 1.85;
    margin-bottom: 14px;
    font-weight: 400;
  }

  .btn-sobre {
    display: inline-block;
    margin-top: 14px;
    background: var(--verde);
    color: #fff;
    padding: 12px 26px;
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    transition: background 0.15s;
    align-self: flex-start;
  }
  .btn-sobre:hover { background: var(--verde2); }

  .label-tag--light { color: var(--verde); border-color: var(--verde); }

  .footer {
    background: #0e0e0e;
    border-top: 3px solid var(--verde);
  }
  .footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 56px 80px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
  }
  .footer-col { display: flex; flex-direction: column; gap: 10px; }

  .footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    color: #fff;
    font-weight: 500;
    margin-bottom: 4px;
  }
  .footer-logo span { color: var(--verde2); }
  .footer-logo strong { color: var(--verde2); font-weight: 700; }
  .footer-col > p { font-size: 0.79rem; color: #666; line-height: 1.7; max-width: 280px; }
  .footer-col > strong {
    font-size: 0.67rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #555;
    margin-bottom: 4px;
  }
  .footer-col a { font-size: 0.78rem; color: #888; text-decoration: none; transition: color 0.13s; }
  .footer-col a:hover { color: #fff; }

  .footer-bottom {
    border-top: 1px solid #1a1a1a;
    padding: 18px 80px;
    max-width: 100%;
  }
  .footer-bottom span { font-size: 0.72rem; color: #444; }

  @media (max-width: 1000px) {
    .nav-inner { padding: 0 24px; }
    .nav-links, .nav-cta { display: none; }
    .hamburger { display: flex; }

    .hero-content { padding: 0 40px; }
    .hero-stats-bar { overflow-x: auto; justify-content: flex-start; }
    .hstat { padding: 16px 28px; }

    .intro-inner,
    .calc-container,
    .footer-inner { grid-template-columns: 1fr; }

    .calc-header,
    .calc-container,
    .intro-inner,
    .params-inner { padding-left: 28px; padding-right: 28px; }

    .sobre-section { grid-template-columns: 1fr; }
    .sobre-img-wrap { height: 280px; }
    .sobre-texto { padding: 48px 32px; }

    .footer-inner { padding: 40px 28px; }
    .footer-bottom { padding: 16px 28px; }

    .topo-inst { display: none; }
  }
  @media (max-width: 600px) {
    .hero-title { font-size: 2.2rem; }
    .hero-content { padding: 0 24px; }
    .hero-actions { flex-direction: column; align-items: flex-start; }
    .input-grid { grid-template-columns: 1fr; }
    .indicadores-grid { grid-template-columns: 1fr; }
    .res-actions { flex-direction: column; }
    .hstat-div { display: none; }
  }