/* ============================================================
   ECO-BIM · ABellconta
   Tema: Fundo branco com pormenores em vermelho
   ============================================================ */

:root {
  --vermelho: #E2001A;
  --vermelho-escuro: #B00014;
  --vermelho-claro: #ff4d5e;
  --vermelho-suave: #fff0f1;
  --vermelho-suave-2: #ffe1e4;
  --branco: #ffffff;
  --cinza-fundo: #fafbfc;
  --cinza-claro: #f1f3f5;
  --cinza-borda: #e6e8eb;
  --cinza-texto: #5b6470;
  --cinza-escuro: #2a2f36;
  --preto: #14171c;
  --verde: #16a34a;
  --amarelo: #eab308;
  --laranja: #f97316;
  --sombra: 0 1px 3px rgba(20, 23, 28, .06), 0 8px 24px rgba(20, 23, 28, .05);
  --sombra-forte: 0 8px 40px rgba(226, 0, 26, .14);
  --raio: 14px;
  --raio-sm: 9px;
  --transicao: .22s cubic-bezier(.4, 0, .2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--branco);
  color: var(--preto);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; letter-spacing: -.01em; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select { font-family: inherit; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ---------------- Header / Nav ---------------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--cinza-borda);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 11px; font-weight: 800; font-size: 1.18rem; letter-spacing: -.02em; }
.logo .mark {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--vermelho), var(--vermelho-escuro));
  display: grid; place-items: center; color: #fff; box-shadow: var(--sombra-forte);
}
.logo .mark svg { width: 22px; height: 22px; }
.logo b { color: var(--vermelho); }
.logo small { display: block; font-size: .62rem; font-weight: 600; color: var(--cinza-texto); letter-spacing: .12em; text-transform: uppercase; }

.nav-links { display: flex; gap: 4px; }
.nav-links button {
  padding: 9px 15px; border-radius: var(--raio-sm); font-size: .92rem; font-weight: 600;
  color: var(--cinza-texto); transition: var(--transicao);
}
.nav-links button:hover { background: var(--cinza-claro); color: var(--preto); }
.nav-links button.active { background: var(--vermelho-suave); color: var(--vermelho); }

.nav-home { display: inline-flex; align-items: center; padding: 9px 15px; border-radius: var(--raio-sm); font-size: .92rem; font-weight: 700; color: var(--vermelho); border: 1.5px solid var(--vermelho-suave-2); background: var(--vermelho-suave); transition: var(--transicao); }
.nav-home:hover { background: var(--vermelho); color: #fff; }

.nav-toggle { display: none; font-size: 1.5rem; color: var(--vermelho); }

/* ---------------- Views ---------------- */
.view { display: none; animation: fade .4s ease; }
.view.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------------- Hero ---------------- */
.hero { padding: 76px 0 56px; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; top: -180px; right: -160px; width: 520px; height: 520px;
  background: radial-gradient(circle, var(--vermelho-suave-2), transparent 70%); z-index: -1;
}
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.badge {
  display: inline-flex; align-items: center; gap: 7px; padding: 6px 14px; border-radius: 999px;
  background: var(--vermelho-suave); color: var(--vermelho); font-size: .8rem; font-weight: 700;
  border: 1px solid var(--vermelho-suave-2); margin-bottom: 20px;
}
.badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--vermelho); animation: pulse 1.8s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
.hero h1 { font-size: 3.05rem; margin-bottom: 18px; }
.hero h1 .accent { color: var(--vermelho); }
.hero p.lead { font-size: 1.12rem; color: var(--cinza-texto); max-width: 540px; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 13px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 9px; padding: 13px 24px; border-radius: var(--raio-sm);
  font-weight: 700; font-size: .96rem; transition: var(--transicao);
}
.btn-primary { background: var(--vermelho); color: #fff; box-shadow: var(--sombra-forte); }
.btn-primary:hover { background: var(--vermelho-escuro); transform: translateY(-2px); }
.btn-ghost { background: var(--branco); color: var(--preto); border: 1.5px solid var(--cinza-borda); }
.btn-ghost:hover { border-color: var(--vermelho); color: var(--vermelho); }
.btn svg { width: 18px; height: 18px; }

/* Hero visual */
.hero-visual {
  background: var(--branco); border: 1px solid var(--cinza-borda); border-radius: 20px;
  padding: 26px; box-shadow: var(--sombra); position: relative;
}
.hero-visual::after {
  content: ""; position: absolute; inset: 0; border-radius: 20px; pointer-events: none;
  border-top: 3px solid var(--vermelho);
}
.hv-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.hv-head span { font-weight: 700; font-size: .9rem; }
.hv-head .pill { font-size: .72rem; padding: 4px 10px; border-radius: 999px; background: var(--vermelho-suave); color: var(--vermelho); font-weight: 700; }
.hv-bars { display: flex; align-items: flex-end; gap: 10px; height: 150px; margin-bottom: 16px; }
.hv-bars .bar { flex: 1; background: linear-gradient(var(--vermelho-claro), var(--vermelho)); border-radius: 6px 6px 0 0; opacity: .85; animation: grow 1s ease; }
@keyframes grow { from { height: 0 !important; } }
.hv-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
.hv-stat { background: var(--cinza-fundo); border-radius: 10px; padding: 12px; text-align: center; }
.hv-stat b { display: block; font-size: 1.3rem; color: var(--vermelho); }
.hv-stat small { font-size: .68rem; color: var(--cinza-texto); }

/* ---------------- Stats row ---------------- */
.stats-row { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; margin: 8px 0 64px; }
.stat-card {
  background: var(--branco); border: 1px solid var(--cinza-borda); border-radius: var(--raio);
  padding: 24px; position: relative; overflow: hidden; transition: var(--transicao);
}
.stat-card:hover { box-shadow: var(--sombra); transform: translateY(-3px); border-color: var(--vermelho-suave-2); }
.stat-card .ic { width: 42px; height: 42px; border-radius: 10px; background: var(--vermelho-suave); color: var(--vermelho); display: grid; place-items: center; margin-bottom: 14px; }
.stat-card .ic svg { width: 22px; height: 22px; }
.stat-card .num { font-size: 2rem; font-weight: 800; color: var(--preto); }
.stat-card .lbl { color: var(--cinza-texto); font-size: .88rem; }

/* ---------------- Sections ---------------- */
.section { padding: 64px 0; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.section-head .badge { margin-bottom: 14px; }
.section-head h2 { font-size: 2.2rem; margin-bottom: 12px; }
.section-head p { color: var(--cinza-texto); font-size: 1.05rem; }
.section.alt { background: var(--cinza-fundo); }

/* Feature cards */
.features { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.feature {
  background: var(--branco); border: 1px solid var(--cinza-borda); border-radius: var(--raio);
  padding: 28px; transition: var(--transicao);
}
.feature:hover { box-shadow: var(--sombra); transform: translateY(-4px); border-top: 3px solid var(--vermelho); }
.feature .ic { width: 50px; height: 50px; border-radius: 12px; background: linear-gradient(135deg, var(--vermelho), var(--vermelho-escuro)); color: #fff; display: grid; place-items: center; margin-bottom: 18px; }
.feature .ic svg { width: 26px; height: 26px; }
.feature h3 { font-size: 1.18rem; margin-bottom: 8px; }
.feature p { color: var(--cinza-texto); font-size: .94rem; }

/* ---------------- Simulator ---------------- */
.sim-layout { display: grid; grid-template-columns: 420px 1fr; gap: 28px; align-items: start; }
.sim-panel {
  background: var(--branco); border: 1px solid var(--cinza-borda); border-radius: var(--raio);
  box-shadow: var(--sombra); overflow: hidden;
}
.sim-panel.sticky { position: sticky; top: 88px; }
.panel-head { padding: 20px 22px; border-bottom: 1px solid var(--cinza-borda); background: linear-gradient(var(--vermelho-suave), var(--branco)); }
.panel-head h3 { font-size: 1.1rem; display: flex; align-items: center; gap: 9px; }
.panel-head h3 svg { width: 20px; height: 20px; color: var(--vermelho); }
.panel-head p { font-size: .82rem; color: var(--cinza-texto); margin-top: 3px; }
.panel-body { padding: 6px 22px 22px; }

.form-step { display: none; }
.form-step.active { display: block; animation: fade .3s; }
.fieldset-title { font-size: .76rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; color: var(--vermelho); margin: 20px 0 12px; display: flex; align-items: center; gap: 8px; }
.fieldset-title::before { content: ""; width: 14px; height: 2px; background: var(--vermelho); border-radius: 2px; }

.field { margin-bottom: 15px; }
.field label { display: block; font-size: .84rem; font-weight: 600; margin-bottom: 6px; }
.field label .hint { font-weight: 400; color: var(--cinza-texto); font-size: .76rem; }
.field input[type="number"], .field input[type="text"], .field select {
  width: 100%; padding: 11px 13px; border: 1.5px solid var(--cinza-borda); border-radius: var(--raio-sm);
  font-size: .92rem; background: var(--branco); transition: var(--transicao); color: var(--preto);
}
.field input:focus, .field select:focus { outline: none; border-color: var(--vermelho); box-shadow: 0 0 0 3px var(--vermelho-suave); }

.range-wrap { display: flex; align-items: center; gap: 12px; }
.range-wrap input[type="range"] { flex: 1; accent-color: var(--vermelho); height: 4px; }
.range-val { min-width: 62px; text-align: right; font-weight: 700; color: var(--vermelho); font-size: .9rem; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 9px 14px; border: 1.5px solid var(--cinza-borda); border-radius: 999px; font-size: .85rem;
  font-weight: 600; color: var(--cinza-texto); transition: var(--transicao); background: var(--branco);
}
.chip:hover { border-color: var(--vermelho-claro); }
.chip.active { background: var(--vermelho); color: #fff; border-color: var(--vermelho); }

.switch-row { display: flex; align-items: center; justify-content: space-between; padding: 11px 0; border-bottom: 1px solid var(--cinza-claro); }
.switch-row:last-child { border-bottom: none; }
.switch-row .lab { font-size: .88rem; font-weight: 600; }
.switch-row .lab small { display: block; font-weight: 400; color: var(--cinza-texto); font-size: .76rem; }
.switch { position: relative; width: 46px; height: 26px; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider-tog { position: absolute; inset: 0; background: var(--cinza-borda); border-radius: 999px; transition: var(--transicao); }
.slider-tog::before { content: ""; position: absolute; height: 20px; width: 20px; left: 3px; top: 3px; background: #fff; border-radius: 50%; transition: var(--transicao); box-shadow: 0 1px 3px rgba(0,0,0,.2); }
.switch input:checked + .slider-tog { background: var(--vermelho); }
.switch input:checked + .slider-tog::before { transform: translateX(20px); }

.steps-nav { display: flex; gap: 6px; padding: 16px 22px; border-top: 1px solid var(--cinza-borda); background: var(--cinza-fundo); }
.step-dots { display: flex; gap: 6px; align-items: center; flex: 1; }
.step-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cinza-borda); transition: var(--transicao); }
.step-dot.active { background: var(--vermelho); width: 22px; border-radius: 4px; }

.btn-sm { padding: 9px 16px; font-size: .86rem; border-radius: var(--raio-sm); font-weight: 700; transition: var(--transicao); }
.btn-sm.primary { background: var(--vermelho); color: #fff; }
.btn-sm.primary:hover { background: var(--vermelho-escuro); }
.btn-sm.ghost { color: var(--cinza-texto); border: 1.5px solid var(--cinza-borda); background: #fff; }
.btn-sm.ghost:hover { border-color: var(--vermelho); color: var(--vermelho); }
.btn-sm:disabled { opacity: .4; cursor: not-allowed; }

/* Results */
.results { display: flex; flex-direction: column; gap: 22px; }
.result-empty {
  background: var(--branco); border: 2px dashed var(--cinza-borda); border-radius: var(--raio);
  padding: 70px 30px; text-align: center; color: var(--cinza-texto);
}
.result-empty svg { width: 60px; height: 60px; color: var(--vermelho-suave-2); margin-bottom: 16px; }
.result-empty h3 { color: var(--preto); margin-bottom: 8px; }

.result-card { background: var(--branco); border: 1px solid var(--cinza-borda); border-radius: var(--raio); box-shadow: var(--sombra); overflow: hidden; }
.rc-head { padding: 18px 22px; border-bottom: 1px solid var(--cinza-borda); display: flex; justify-content: space-between; align-items: center; }
.rc-head h3 { font-size: 1.05rem; display: flex; align-items: center; gap: 8px; }
.rc-head h3 svg { width: 18px; height: 18px; color: var(--vermelho); }
.rc-body { padding: 22px; }

/* Score + energy class */
.score-hero { display: grid; grid-template-columns: auto 1fr; gap: 26px; align-items: center; }
.score-ring { position: relative; width: 150px; height: 150px; }
.score-ring svg { transform: rotate(-90deg); }
.score-ring .val { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; }
.score-ring .val b { font-size: 2.4rem; font-weight: 800; line-height: 1; }
.score-ring .val small { font-size: .7rem; color: var(--cinza-texto); text-transform: uppercase; letter-spacing: .08em; }
.score-meta h4 { font-size: 1.3rem; margin-bottom: 6px; }
.score-meta p { color: var(--cinza-texto); font-size: .92rem; margin-bottom: 14px; }
.energy-class { display: flex; gap: 4px; }
.ec-item { flex: 1; text-align: center; padding: 8px 4px; border-radius: 6px; font-weight: 800; font-size: .82rem; color: #fff; opacity: .35; transition: var(--transicao); position: relative; }
.ec-item.on { opacity: 1; transform: scale(1.12); box-shadow: var(--sombra); }
.ec-item.on::after { content: "▲"; position: absolute; bottom: -16px; left: 50%; transform: translateX(-50%); color: var(--preto); font-size: .6rem; }

/* Metric grid */
.metric-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; }
.metric {
  background: var(--cinza-fundo); border-radius: var(--raio-sm); padding: 16px; border-left: 3px solid var(--vermelho);
}
.metric .mlab { font-size: .78rem; color: var(--cinza-texto); display: flex; align-items: center; gap: 6px; }
.metric .mval { font-size: 1.5rem; font-weight: 800; margin: 4px 0 2px; }
.metric .mval span { font-size: .85rem; font-weight: 600; color: var(--cinza-texto); }
.metric .msub { font-size: .76rem; }
.msub.good { color: var(--verde); }
.msub.bad { color: var(--vermelho); }
.msub.warn { color: var(--laranja); }

.chart-box { position: relative; height: 280px; }
.chart-box.sm { height: 220px; }

/* Recommendations */
.recos { display: flex; flex-direction: column; gap: 10px; }
.reco {
  display: flex; gap: 13px; padding: 14px; border-radius: var(--raio-sm); background: var(--vermelho-suave);
  border: 1px solid var(--vermelho-suave-2);
}
.reco .ic { flex: none; width: 32px; height: 32px; border-radius: 8px; background: var(--vermelho); color: #fff; display: grid; place-items: center; }
.reco .ic svg { width: 17px; height: 17px; }
.reco .txt h5 { font-size: .92rem; margin-bottom: 2px; }
.reco .txt p { font-size: .82rem; color: var(--cinza-texto); }
.reco .impact { margin-left: auto; flex: none; align-self: center; font-weight: 800; color: var(--verde); font-size: .85rem; white-space: nowrap; }

/* ---------------- Materials table ---------------- */
.mat-toolbar { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-bottom: 22px; }
.mat-toolbar input[type="search"] { flex: 1; min-width: 200px; padding: 11px 14px; border: 1.5px solid var(--cinza-borda); border-radius: var(--raio-sm); font-size: .92rem; }
.mat-toolbar input:focus { outline: none; border-color: var(--vermelho); box-shadow: 0 0 0 3px var(--vermelho-suave); }
.mat-filter { display: flex; gap: 6px; flex-wrap: wrap; }

.table-wrap { background: var(--branco); border: 1px solid var(--cinza-borda); border-radius: var(--raio); overflow: hidden; box-shadow: var(--sombra); }
table { width: 100%; border-collapse: collapse; }
thead th { text-align: left; padding: 14px 16px; font-size: .76rem; text-transform: uppercase; letter-spacing: .06em; color: var(--cinza-texto); background: var(--cinza-fundo); border-bottom: 2px solid var(--cinza-borda); cursor: pointer; user-select: none; white-space: nowrap; }
thead th:hover { color: var(--vermelho); }
thead th .arrow { font-size: .7rem; opacity: .5; }
tbody td { padding: 14px 16px; border-bottom: 1px solid var(--cinza-claro); font-size: .9rem; }
tbody tr:hover { background: var(--vermelho-suave); }
tbody tr:last-child td { border-bottom: none; }
.mat-name { font-weight: 700; }
.mat-cat { display: inline-block; font-size: .72rem; padding: 3px 9px; border-radius: 999px; background: var(--cinza-claro); color: var(--cinza-texto); font-weight: 600; }
.bar-cell { display: flex; align-items: center; gap: 8px; }
.bar-track { flex: 1; height: 7px; background: var(--cinza-claro); border-radius: 999px; overflow: hidden; min-width: 60px; }
.bar-fill { height: 100%; border-radius: 999px; }
.score-pill { font-weight: 800; padding: 3px 10px; border-radius: 999px; font-size: .8rem; color: #fff; }

/* ---------------- ACV (life cycle) ---------------- */
.acv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
.lifecycle { display: flex; flex-direction: column; gap: 4px; }
.lc-stage {
  display: flex; gap: 14px; padding: 16px; background: var(--branco); border: 1px solid var(--cinza-borda);
  border-radius: var(--raio-sm); position: relative; transition: var(--transicao);
}
.lc-stage:hover { border-color: var(--vermelho); box-shadow: var(--sombra); }
.lc-num { flex: none; width: 34px; height: 34px; border-radius: 50%; background: var(--vermelho); color: #fff; display: grid; place-items: center; font-weight: 800; font-size: .9rem; }
.lc-body h4 { font-size: .98rem; margin-bottom: 3px; }
.lc-body p { font-size: .84rem; color: var(--cinza-texto); }
.lc-pct { margin-left: auto; align-self: center; font-weight: 800; color: var(--vermelho); }
.lc-connector { width: 2px; height: 14px; background: var(--vermelho-suave-2); margin-left: 33px; }

/* ---------------- Footer ---------------- */
.footer { background: var(--preto); color: #cdd2d9; padding: 56px 0 26px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 36px; }
.footer .logo { color: #fff; margin-bottom: 14px; }
.footer p { font-size: .9rem; color: #99a1ac; max-width: 300px; }
.footer h5 { color: #fff; font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 14px; }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 9px; }
.footer ul li a { font-size: .9rem; color: #99a1ac; transition: var(--transicao); cursor: pointer; }
.footer ul li a:hover { color: var(--vermelho-claro); }
.footer-funding { border-top: 1px solid #2a2f36; padding-top: 28px; margin-bottom: 30px; text-align: center; }
.footer-funding .ff-label { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; color: #6b7480; margin-bottom: 18px; }
.footer-funding .ff-logos { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 34px; }
.footer-funding .ff-logos a { display: inline-flex; align-items: center; transition: var(--transicao); opacity: .92; }
.footer-funding .ff-logos a:hover { opacity: 1; transform: translateY(-2px); }
.footer-funding .ff-logos img { height: 46px; width: auto; max-width: 240px; object-fit: contain; }

.footer-bot { border-top: 1px solid #2a2f36; padding-top: 22px; display: flex; justify-content: space-between; font-size: .82rem; color: #6b7480; flex-wrap: wrap; gap: 10px; }
.footer-bot .accent { color: var(--vermelho-claro); }

/* ---------------- Toast ---------------- */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(120px);
  background: var(--preto); color: #fff; padding: 14px 22px; border-radius: var(--raio-sm);
  font-size: .9rem; font-weight: 600; box-shadow: var(--sombra-forte); z-index: 200;
  transition: transform .4s cubic-bezier(.4,0,.2,1); display: flex; align-items: center; gap: 10px;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast .ic { color: var(--vermelho-claro); display: grid; place-items: center; }
.toast .ic svg { width: 18px; height: 18px; }

/* ---------------- Utilities & responsive ---------------- */
.text-red { color: var(--vermelho); }
.mb-0 { margin-bottom: 0; }

@media (max-width: 980px) {
  .hero-grid, .sim-layout, .acv-grid { grid-template-columns: 1fr; }
  .sim-panel.sticky { position: static; }
  .stats-row { grid-template-columns: repeat(2,1fr); }
  .features { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 2.4rem; }
}
@media (max-width: 720px) {
  .nav-links { position: fixed; top: 68px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 14px; border-bottom: 1px solid var(--cinza-borda); box-shadow: var(--sombra); transform: translateY(-150%); transition: var(--transicao); }
  .nav-links.open { transform: translateY(0); }
  .nav-toggle { display: block; }
  .metric-grid { grid-template-columns: 1fr; }
  .score-hero { grid-template-columns: 1fr; text-align: center; justify-items: center; }
  .table-wrap { overflow-x: auto; }
  table { min-width: 640px; }
}