/* ValidFace, site comercial. CSS proprio, enxuto, sem framework em runtime.
   Paleta da casa: fundo #050A14, navy #0A1128, menta #1BC495, claro #F8F9FA,
   cyan #22D3EE, vermelho #F87171. Texto claro sobre o fundo sempre com alfa >= 0.7 (AA). */

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 300 800;
  font-display: swap;
  src: url("../fonts/inter-var.260c81a4759b.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* Fallback com metricas ajustadas a Inter: o texto nao pula quando a fonte chega (CLS do swap). */
@font-face {
  font-family: "Inter Fallback";
  src: local("Arial"), local("Helvetica");
  size-adjust: 107%;
  ascent-override: 90%;
  descent-override: 22.5%;
  line-gap-override: 0%;
}

:root {
  color-scheme: dark;
  --bg: #050A14;
  --navy: #0A1128;
  --mint: #1BC495;
  --mint-dark: #0E8F6C;
  --light: #F8F9FA;
  --cyan: #22D3EE;
  --red: #F87171;
  --text: rgba(248, 249, 250, 0.92);
  --muted: rgba(248, 249, 250, 0.72);
  --line: rgba(248, 249, 250, 0.10);
  --glass: rgba(10, 17, 40, 0.62);
  --radius: 1rem;
  --container: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Inter", "Inter Fallback", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(60rem 30rem at 15% -10%, rgba(27, 196, 149, 0.16), transparent 60%),
    radial-gradient(50rem 26rem at 90% 0%, rgba(34, 211, 238, 0.10), transparent 60%);
  background-repeat: no-repeat;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--mint); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, .h3 { margin: 0 0 0.5rem; line-height: 1.15; color: var(--light); letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); font-weight: 750; }
h3, .h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1rem; }
ul { margin: 0 0 1rem; padding-left: 1.2rem; }
li { margin-bottom: 0.35rem; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.86rem; }
pre {
  margin: 0;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  border-radius: 0.75rem;
  background: #030711;
  border: 1px solid var(--line);
  color: rgba(248, 249, 250, 0.86);
  line-height: 1.5;
}
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
a.sr-only:focus { position: fixed; top: 0.75rem; left: 0.75rem; z-index: 30; width: auto; height: auto; margin: 0; padding: 0.6rem 1rem; clip: auto; border-radius: 0.6rem; background: var(--mint); color: #04261B; font-weight: 700; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 1.25rem; }
.section { padding: 4.5rem 0; }
.section-tight { padding: 3rem 0; }
.section-head { max-width: 46rem; margin-bottom: 2.25rem; }
.eyebrow {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mint);
}
.lead { font-size: 1.15rem; color: var(--muted); }
.muted { color: var(--muted); }
.small { font-size: 0.9rem; }
.text-center { text-align: center; }

/* Botoes */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.35rem;
  border-radius: 0.75rem;
  font-weight: 700;
  font-size: 0.98rem;
  line-height: 1.2;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  text-decoration: none;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--mint); color: #04261B; box-shadow: 0 8px 28px rgba(27, 196, 149, 0.28); }
.btn-primary:hover { background: #27D7A6; }
.btn-ghost { background: transparent; color: var(--light); border-color: rgba(248, 249, 250, 0.22); }
.btn-ghost:hover { border-color: var(--mint); color: var(--mint); }
.btn-sm { padding: 0.55rem 0.95rem; font-size: 0.9rem; }
.btn-block { width: 100%; }
.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }

/* Cabecalho */
.header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(5, 10, 20, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.header .container { position: relative; display: flex; align-items: center; justify-content: space-between; min-height: 4.25rem; gap: 1rem; }
.logo { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.02em; color: var(--light); text-decoration: none; }
.logo:hover { text-decoration: none; }
.logo span { color: var(--mint); }
.nav { display: flex; align-items: center; gap: 1.5rem; }
.nav a { color: var(--muted); font-weight: 600; font-size: 0.95rem; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--light); text-decoration: none; }
.nav-actions { display: flex; align-items: center; gap: 0.6rem; }
/* .nav a (0,1,1) vence .btn-primary (0,1,0): sem isto o texto do CTA fica claro sobre mint (contraste 1.69). */
.nav a.btn-primary, .nav a.btn-primary:hover { color: #04261B; }
.nav-toggle-label {
  display: none;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 0.6rem;
  border: 1px solid var(--line);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--light);
}
.nav-toggle-label svg { width: 1.3rem; height: 1.3rem; }
.nav-toggle:focus-visible + .nav-toggle-label { outline: 2px solid var(--cyan); }

/* Hero */
.hero { padding: 5rem 0 3.5rem; }
.hero h1 { margin-bottom: 1rem; }
.hero .lead { font-size: 1.2rem; max-width: 40rem; }
.hero-note { margin-top: 1rem; font-size: 0.9rem; color: var(--muted); }
.tracks { display: grid; gap: 1rem; margin-top: 2.75rem; }
.track { padding: 1.5rem; }
.track .h3 { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.75rem; }
.track ul { margin: 0; padding-left: 1.1rem; color: var(--muted); }
.track pre { margin-top: 0.75rem; }

/* Cards vidro */
.card {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  /* Sem backdrop-filter: o fundo atras dos cards e um gradiente plano, o blur so custava pintura no celular. */
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover { border-color: rgba(27, 196, 149, 0.35); }
.card h3, .card .h3 { margin-bottom: 0.5rem; }
.card p:last-child, .card ul:last-child { margin-bottom: 0; }
.card-accent { border-color: rgba(27, 196, 149, 0.35); box-shadow: 0 0 0 1px rgba(27, 196, 149, 0.12), 0 18px 48px rgba(27, 196, 149, 0.08); }
.card .muted { font-size: 0.95rem; }
.grid { display: grid; gap: 1rem; }
.grid-2, .grid-3 { display: grid; gap: 1rem; }

.icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.7rem;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  background: rgba(27, 196, 149, 0.12);
  color: var(--mint);
  border: 1px solid rgba(27, 196, 149, 0.25);
}
.icon svg { width: 1.3rem; height: 1.3rem; }
.icon-cyan { background: rgba(34, 211, 238, 0.12); color: var(--cyan); border-color: rgba(34, 211, 238, 0.25); }

/* Passos */
.steps { counter-reset: passo; }
.step { position: relative; padding-top: 1.5rem; }
.step-num {
  position: absolute;
  top: -0.9rem;
  left: 1.25rem;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #04261B;
  background: var(--mint);
  box-shadow: 0 6px 20px rgba(27, 196, 149, 0.35);
}

/* Pills e tags */
.pill {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: rgba(27, 196, 149, 0.14);
  color: var(--mint);
  border: 1px solid rgba(27, 196, 149, 0.3);
}
.pill-cyan { background: rgba(34, 211, 238, 0.12); color: var(--cyan); border-color: rgba(34, 211, 238, 0.3); }
.pill-soon { background: rgba(248, 249, 250, 0.08); color: var(--muted); border-color: var(--line); }
.tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.75rem; }

/* Listas com check */
.checks { list-style: none; padding: 0; margin: 0; }
.checks li { position: relative; padding-left: 1.6rem; margin-bottom: 0.5rem; color: var(--muted); }
.checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 0.95rem;
  height: 0.95rem;
  border-radius: 999px;
  background: var(--mint);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / contain no-repeat;
}
.checks-no li::before { background: var(--red); -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M18 6 6 18M6 6l12 12'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M18 6 6 18M6 6l12 12'/%3E%3C/svg%3E"); }

/* Tabela */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--glass); }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td { padding: 0.85rem 1rem; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--light); font-weight: 700; background: rgba(248, 249, 250, 0.04); }
tr:last-child td { border-bottom: 0; }
td { color: var(--muted); }
td strong { color: var(--light); }

/* FAQ */
.faq details { border: 1px solid var(--line); border-radius: 0.9rem; background: var(--glass); margin-bottom: 0.75rem; }
.faq summary {
  cursor: pointer;
  padding: 1rem 1.25rem;
  font-weight: 700;
  color: var(--light);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--mint); font-size: 1.3rem; font-weight: 400; }
.faq details[open] summary::after { content: "\2212"; }
.faq .faq-a { padding: 0 1.25rem 1.1rem; color: var(--muted); }

/* Faixa CTA */
.cta-band {
  border: 1px solid rgba(27, 196, 149, 0.35);
  border-radius: 1.25rem;
  padding: 2.5rem 1.75rem;
  text-align: center;
  background:
    radial-gradient(40rem 16rem at 50% 120%, rgba(27, 196, 149, 0.22), transparent 70%),
    var(--glass);
}
.cta-band .cta-row { justify-content: center; }

/* Prosa (privacidade, termos) */
.prose { max-width: 48rem; }
.prose h2 { font-size: 1.4rem; margin-top: 2.25rem; }
.prose h3 { margin-top: 1.5rem; }
.prose p, .prose li { color: var(--muted); }
.notice {
  border-left: 3px solid var(--cyan);
  background: rgba(34, 211, 238, 0.08);
  padding: 0.9rem 1.1rem;
  border-radius: 0 0.75rem 0.75rem 0;
  color: var(--text);
  margin: 1.25rem 0 2rem;
}
.notice-warn { border-left-color: var(--red); background: rgba(248, 113, 113, 0.08); }

/* Formulario */
.form { display: grid; gap: 1rem; }
.field label { display: block; font-weight: 600; margin-bottom: 0.35rem; color: var(--light); }
.field input, .field textarea {
  width: 100%;
  padding: 0.8rem 0.95rem;
  border-radius: 0.7rem;
  border: 1px solid rgba(248, 249, 250, 0.16);
  background: rgba(5, 10, 20, 0.7);
  color: var(--light);
  font: inherit;
}
.field input:focus, .field textarea:focus { border-color: var(--mint); outline: none; box-shadow: 0 0 0 3px rgba(27, 196, 149, 0.2); }
.field textarea { min-height: 9rem; resize: vertical; }
.field-error { color: var(--red); font-size: 0.88rem; margin-top: 0.3rem; }
.alert { border: 1px solid rgba(248, 113, 113, 0.5); background: rgba(248, 113, 113, 0.1); color: var(--light); padding: 0.9rem 1.1rem; border-radius: 0.75rem; }
.hp { position: absolute; left: -9999px; top: -9999px; height: 0; overflow: hidden; }

/* Rodape */
.footer { border-top: 1px solid var(--line); padding: 3rem 0 2rem; margin-top: 3rem; color: var(--muted); font-size: 0.92rem; }
.footer-grid { display: grid; gap: 2rem; }
.footer-title { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--light); margin-bottom: 0.75rem; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 0.4rem; }
.footer a { color: var(--muted); }
.footer a:hover { color: var(--mint); }
.footer-bottom { margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid var(--line); font-size: 0.85rem; }

/* Responsivo */
@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .tracks { grid-template-columns: repeat(2, 1fr); }
  .hero { padding: 6.5rem 0 4rem; }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}
@media (max-width: 899px) {
  .nav-toggle-label { display: flex; }
  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 1.25rem 1rem;
    background: rgba(5, 10, 20, 0.97);
    border-bottom: 1px solid var(--line);
  }
  .nav a { padding: 0.75rem 0; border-bottom: 1px solid var(--line); }
  .nav-actions { flex-direction: column; align-items: stretch; margin-top: 0.75rem; }
  .nav-actions .btn { width: 100%; }
  .nav-toggle:checked ~ .nav { display: flex; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .card { transition: none; }
}