/* Layout: coluna editorial alinhada à esquerda; o herói divide tese e a
   "pilha de compatibilidade". Acento verde-azulado (o fundo da área de
   trabalho do Windows 98), âmbar só em detalhe. */

/* Fontes servidas pelo próprio site (subconjunto latino do Google Fonts,
   licença SIL OFL 1.1, ver assets/fontes/OFL-*.txt). Bricolage Grotesque e
   IBM Plex Sans são variáveis: um arquivo cobre todos os pesos. */
@font-face {
  font-family: "Bricolage Grotesque"; font-style: normal; font-weight: 200 800;
  font-display: swap; src: url("fontes/bricolage-grotesque.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans"; font-style: normal; font-weight: 100 700;
  font-display: swap; src: url("fontes/ibm-plex-sans.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400;
  font-display: swap; src: url("fontes/ibm-plex-mono-400.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono"; font-style: normal; font-weight: 500;
  font-display: swap; src: url("fontes/ibm-plex-mono-500.woff2") format("woff2");
}

:root {
  --bg: #f3f6f5;
  --surface: #e7eeec;
  --fg: #142120;
  --muted: #52615e;
  --line: #c9d5d2;
  --accent: #00706e;
  --accent-fg: #ffffff;
  --amber: #a35f00;
  --erro: #b3261e;
  --font-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "Consolas", monospace;
  --step-0: 1rem;
  --step-1: 1.25rem;
  --step-2: 1.6rem;
  --step-3: clamp(2rem, 5vw, 3.4rem);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1716; --surface: #172322; --fg: #e4ecea; --muted: #9aaaa6;
    --line: #2a3a38; --accent: #4fc3bd; --accent-fg: #0b1413; --amber: #f0a948;
    --erro: #ff8a80;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
}
img { max-width: 100%; }
.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
a { color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px;
}
h1, h2, h3 { font-family: var(--font-display); text-wrap: balance; line-height: 1.15; margin: 0; }
h2 { font-size: var(--step-2); font-weight: 700; }
h3 { font-size: var(--step-1); font-weight: 500; }
p { margin: 0; max-width: 65ch; }
.label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Topo */
header.top { border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: center; justify-content: space-between; padding-block: 18px; }
.brand { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; color: var(--fg); text-decoration: none; }
.brand span { color: var(--accent); }
nav { display: flex; flex-wrap: wrap; gap: 6px 22px; font-size: 0.95rem; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--fg); }

/* Herói */
.hero .wrap { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; padding-block: 64px 56px; }
.hero-text { display: flex; flex-direction: column; gap: 22px; min-width: 0; }
.hero h1 { font-size: var(--step-3); font-weight: 700; letter-spacing: -0.01em; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p { font-size: 1.12rem; color: var(--muted); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-block; font: 600 0.98rem var(--font-body); padding: 12px 20px; border-radius: 4px;
  text-decoration: none; border: 1px solid var(--accent); cursor: pointer;
}
.btn-primary { background: var(--accent); color: var(--accent-fg); }
.btn-ghost { background: transparent; color: var(--accent); }

/* Pilha de compatibilidade */
.stack { display: flex; flex-direction: column; gap: 6px; min-width: 0; margin: 0; }
.layer {
  display: grid; grid-template-columns: 1fr auto; gap: 4px 16px; align-items: baseline;
  padding: 12px 16px; border: 1px solid var(--line); background: var(--surface);
  font-family: var(--font-mono); font-size: 0.9rem;
}
.layer b { font-weight: 500; color: var(--fg); }
.layer small { color: var(--muted); font-size: 0.78rem; grid-column: 1 / -1; }
.layer .yr { color: var(--amber); }
.layer.app { background: var(--accent); border-color: var(--accent); }
.layer.app b, .layer.app small, .layer.app .yr { color: var(--accent-fg); }
.layer.indent-1 { margin-left: 18px; }
.layer.indent-2 { margin-left: 36px; }
.layer.indent-3 { margin-left: 54px; }
.side { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-top: 10px; }
.side .layer { border-style: dashed; background: transparent; }
.stack-caption { margin-top: 10px; font-size: 0.85rem; color: var(--muted); }

/* Seções */
section.block { border-top: 1px solid var(--line); }
section.block > .wrap { padding-block: 56px; display: flex; flex-direction: column; gap: 28px; }
.section-head { display: flex; flex-direction: column; gap: 10px; }
.section-head p { color: var(--muted); }

.services { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.service { padding: 24px 24px 24px 0; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.service:nth-child(even) { padding-left: 24px; padding-right: 0; border-left: 1px solid var(--line); }
.service p { color: var(--muted); }
.tags { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent); }

.steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; counter-reset: passo; }
.steps li {
  counter-increment: passo; display: grid; grid-template-columns: 3.2rem 1fr; gap: 16px;
  padding-block: 18px; border-bottom: 1px solid var(--line);
}
.steps li::before {
  content: counter(passo, decimal-leading-zero);
  font-family: var(--font-mono); color: var(--amber); font-size: 0.95rem; padding-top: 2px;
}
.steps li div { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.steps li p { color: var(--muted); }
code { font-family: var(--font-mono); font-size: 0.88em; background: var(--surface); padding: 1px 5px; }

.product { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.product ul { margin: 0; padding-left: 1.1rem; display: flex; flex-direction: column; gap: 6px; }
.product ul li::marker { color: var(--accent); }
.badge {
  display: inline-block; font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase;
  border: 1px solid var(--amber); color: var(--amber); padding: 2px 8px; align-self: flex-start;
}

/* Formulário */
form.lead { display: flex; flex-direction: column; gap: 14px; padding: 24px; background: var(--surface); border: 1px solid var(--line); min-width: 0; }
form.lead label { display: flex; flex-direction: column; gap: 4px; font-size: 0.9rem; font-weight: 500; }
form.lead input, form.lead textarea {
  font: 400 1rem var(--font-body); padding: 10px 12px; border: 1px solid var(--line); border-radius: 3px;
  background: var(--bg); color: var(--fg); width: 100%;
}
form.lead textarea { min-height: 6.5rem; resize: vertical; }
.isca { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-note { font-size: 0.85rem; color: var(--muted); }
.aviso { font-size: 0.95rem; padding: 10px 14px; border: 1px solid currentColor; }
.aviso.ok { color: var(--accent); }
.aviso.erro { color: var(--erro); }

.contact { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.contact div { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.contact .val { font-family: var(--font-mono); font-size: 0.95rem; overflow-wrap: anywhere; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }

/* Página de texto (privacidade) */
.texto .wrap { padding-block: 48px 64px; display: flex; flex-direction: column; gap: 18px; }
.texto h1 { font-size: var(--step-2); }
.texto h2 { font-size: var(--step-1); margin-top: 14px; }
.texto ul { margin: 0; max-width: 65ch; display: flex; flex-direction: column; gap: 4px; }

footer .wrap { padding-block: 28px; border-top: 1px solid var(--line); font-size: 0.85rem; color: var(--muted); display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }

/* Calculadora de juros compostos */
.calc-topo .wrap { padding-block: 48px 40px; display: flex; flex-direction: column; gap: 14px; }
.calc-topo h1 { font-size: var(--step-3); font-weight: 700; letter-spacing: -0.01em; }
.calc-topo p { color: var(--muted); }
.calc-form .campos { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 20px; }
.calc-form input { font-family: var(--font-mono); }
.totais { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.total { display: flex; flex-direction: column; gap: 6px; padding: 16px; border: 1px solid var(--line); background: var(--surface); border-top-width: 4px; min-width: 0; }
.total b { font-family: var(--font-mono); font-weight: 500; font-size: 1.2rem; overflow-wrap: anywhere; }
.total.acumulado { border-top-color: var(--accent); }
.total.aportado { border-top-color: var(--muted); }
.total.juros { border-top-color: var(--amber); }
.grafico { margin: 0; display: flex; flex-direction: column; gap: 10px; }
.grafico svg { width: 100%; height: auto; display: block; }
.grafico .grade { stroke: var(--line); stroke-width: 1; }
.grafico .eixo { fill: var(--muted); font-family: var(--font-mono); font-size: 9px; }
.grafico .serie { fill: none; stroke-width: 2.5; stroke-linejoin: round; }
.grafico .serie.acumulado { stroke: var(--accent); }
.grafico .serie.aportado { stroke: var(--muted); stroke-dasharray: 6 4; }
.grafico .serie.juros { stroke: var(--amber); }
.legenda { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 20px; font-size: 0.9rem; color: var(--muted); }
.legenda li::before { content: ""; display: inline-block; width: 18px; height: 0; border-top: 3px solid; margin-right: 8px; vertical-align: middle; }
.legenda .acumulado::before { border-color: var(--accent); }
.legenda .aportado::before { border-color: var(--muted); border-top-style: dashed; }
.legenda .juros::before { border-color: var(--amber); }
.tabela-rolagem { overflow-x: auto; }
.tabela { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.tabela caption { text-align: left; font: 500 var(--step-1) var(--font-display); padding-bottom: 12px; }
.tabela caption span { font: 400 0.85rem var(--font-body); color: var(--muted); }
.tabela th, .tabela td { padding: 8px 12px; border-bottom: 1px solid var(--line); text-align: right; white-space: nowrap; }
.tabela thead th { font-weight: 500; color: var(--muted); border-bottom-color: var(--fg); }
.tabela th:first-child { text-align: left; }
.tabela td { font-family: var(--font-mono); }

@media (max-width: 820px) {
  .totais { grid-template-columns: 1fr; }
  .grafico .eixo { font-size: 13px; }
  .hero .wrap, .product, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero .wrap { padding-block: 40px; }
  .services { grid-template-columns: 1fr; }
  .service, .service:nth-child(even) { padding: 20px 0; border-left: 0; }
  .contact { grid-template-columns: 1fr; }
}
@media (max-width: 420px) {
  .calc-form .campos { grid-template-columns: 1fr; }
  .grafico .eixo { font-size: 20px; }
  .tabela { font-size: 0.8rem; }
  .tabela th, .tabela td { padding: 6px 6px; }
  .layer.indent-1, .layer.indent-2, .layer.indent-3 { margin-left: 0; }
  .side { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: no-preference) {
  .layer { transition: transform 0.15s ease; }
  .stack:hover .layer:not(.app) { transform: translateX(2px); }
}