/* =========================================================
  DUELO64 — páginas institucionais
  Usado por: sobre, FAQ, termos e privacidade.
  A página inicial continua usando somente style.css.
   ========================================================= */

/* 1. Tokens e base --------------------------------------- */
:root {
  --fundo: #12100e;
  --superficie: #1c1917;
  --superficie-clara: #24201d;
  --borda: #312c28;
  --texto: #fafaf9;
  --texto-suave: #a8a29e;
  --laranja: #f97316;
  --laranja-hover: #ea580c;
  --laranja-suave: #fb923c;
  --raio: 3px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--texto);
  background:
    radial-gradient(circle at 50% -10%, rgb(249 115 22 / 9%), transparent 34%),
    var(--fundo);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overflow-x: hidden;
}
img, svg { max-width: 100%; }
a, button { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 3px solid rgb(249 115 22 / 38%); outline-offset: 3px; }

/* 2. Cabeçalho e painel de controle ---------------------- */
.site-header { position: sticky; top: 0; z-index: 30; border-bottom: 1px solid rgb(49 44 40 / 75%); background: rgb(18 16 14 / 88%); backdrop-filter: blur(18px); }
.header-inner { position: relative; width: min(100%, 1320px); min-height: 76px; margin: 0 auto; padding: 0 clamp(24px, 5vw, 72px); display: flex; align-items: center; gap: 34px; }
.header-brand { width: 152px; flex: 0 0 auto; display: block; }
.brand-logo { width: 100%; display: block; }
.top-navigation { display: none; }
.top-link { min-height: 42px; padding: 10px 12px; display: flex; align-items: center; gap: 9px; color: var(--texto-suave); border: 1px solid var(--borda); border-radius: var(--raio); font-size: 11px; font-weight: 750; text-decoration: none; transition: 160ms ease; }
.top-link svg { width: 15px; height: 15px; color: #716860; }
.site-header.menu-open .top-navigation { position: absolute; top: calc(100% + 10px); right: clamp(24px, 5vw, 72px); width: 360px; padding: 20px 20px 18px; display: block; border: 1px solid var(--borda); border-left: 3px solid var(--laranja); border-radius: var(--raio); background: rgb(20 18 16 / 99%); box-shadow: 0 22px 55px rgb(0 0 0 / 42%); }
.site-header.menu-open .top-link:hover { color: var(--texto); border-color: #524941; background: rgb(255 255 255 / 3%); }
.site-header.menu-open .top-link.active { color: var(--laranja-suave); border-color: rgb(249 115 22 / 52%); background: rgb(249 115 22 / 8%); }
.site-header.menu-open .top-link.active svg { color: var(--laranja); }
.menu-panel-heading { padding-bottom: 15px; display: flex; justify-content: space-between; gap: 18px; border-bottom: 1px solid #36302b; }
.menu-panel-heading strong { color: var(--laranja-suave); font-size: 15px; letter-spacing: .08em; text-transform: uppercase; }
.menu-panel-heading span { color: #777069; font-size: 8px; letter-spacing: .2em; text-transform: uppercase; }
.menu-section { padding: 16px 0; border-bottom: 1px solid #36302b; }
.menu-section-last { padding-bottom: 0; border-bottom: 0; }
.menu-section-label { margin: 0 0 10px; color: #827a72; font-size: 8px; font-weight: 750; letter-spacing: .22em; text-transform: uppercase; }
.menu-navigation-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.menu-choices { display: flex; flex-wrap: wrap; gap: 8px; }
.menu-choice { min-width: 62px; min-height: 38px; padding: 0 13px; color: var(--texto-suave); border: 1px solid #4a423c; border-radius: var(--raio); background: transparent; font: inherit; font-size: 11px; font-weight: 800; }
.menu-choice.active { color: var(--laranja-suave); border-color: var(--laranja); background: rgb(249 115 22 / 8%); }
.menu-choice:disabled { opacity: .42; cursor: not-allowed; }
.menu-hint { margin-top: 9px; display: block; color: #6f6862; font-size: 9px; }
.header-actions { margin-left: auto; }
.button { display: inline-flex; align-items: center; justify-content: center; border: 1px solid transparent; border-radius: 8px; font-weight: 900; text-decoration: none; transition: 160ms ease; }
.button:hover { transform: translateY(-3px); }
.button-primary { padding: 10px 18px; color: #fff; border: 1px solid var(--laranja); 
  border-radius: 8px; background: var(--laranja); 
  box-shadow: 0 3px 0 #8f3908; font-size: 15px; 
  font-weight: 900; 
  text-decoration: none;}
.button-primary:hover { background: var(--laranja-hover); }
  .header-signup { min-width: 118px; min-height: 44px; padding-inline: 18px; font-size: 11px; }
.mobile-account-link { display: none; }
.menu-button { width: 40px; height: 40px; padding: 0; display: grid; place-items: center; color: var(--texto); border: 1px solid var(--borda); border-radius: var(--raio); background: var(--superficie-clara); }
.menu-button svg { width: 19px; height: 19px; }

/* 3. Estrutura compartilhada ----------------------------- */
.document-page { min-height: 100vh; }
.document-shell { width: min(100% - 48px, 940px); margin: 0 auto; padding: 82px 0 100px; }
.document-header { padding-bottom: 54px; border-bottom: 1px solid var(--borda); }
.document-meta { display: flex; justify-content: space-between; gap: 24px; color: var(--laranja); font-size: 9px; font-weight: 850; letter-spacing: .18em; text-transform: uppercase; }
.document-meta span:last-child { color: #716a64; }
.document-header h1 { margin: 30px 0 20px; font-size: clamp(46px, 7vw, 78px); line-height: .96; letter-spacing: -.055em; }
.document-header > p { max-width: 750px; margin: 0; color: var(--texto-suave); font-size: clamp(16px, 2vw, 19px); line-height: 1.75; }
.document-content { display: grid; }
.document-section { padding: 50px 0; display: grid; grid-template-columns: 58px minmax(0, 1fr); gap: 24px; border-bottom: 1px solid var(--borda); }
.document-section:last-child { border-bottom: 0; }
.section-number { padding-top: 6px; color: var(--laranja); font-size: 9px; font-weight: 900; letter-spacing: .14em; }
.section-content { max-width: 780px; }
.document-section h2 { margin: 0 0 20px; font-size: clamp(25px, 3vw, 35px); letter-spacing: -.035em; }
.document-section p { margin: 0; color: var(--texto-suave); font-size: 14px; line-height: 1.82; }
.document-section p + p { margin-top: 14px; }
.text-link { color: var(--laranja-suave); font-weight: 700; text-underline-offset: 3px; }
.text-link:hover { color: var(--texto); }
.document-list { margin: 18px 0 0; padding: 0; display: grid; gap: 9px; list-style: none; }
.document-list li { position: relative; padding-left: 20px; color: var(--texto-suave); font-size: 13px; line-height: 1.7; }
.document-list li::before { position: absolute; top: .7em; left: 0; width: 5px; height: 5px; content: ""; border-radius: 50%; background: var(--laranja); }
.draft-notice { margin-top: 25px; padding: 14px 16px; color: var(--texto-suave); border: 1px solid rgb(249 115 22 / 25%); border-radius: var(--raio); background: rgb(249 115 22 / 6%); font-size: 12px; line-height: 1.65; }
.draft-notice strong { color: var(--laranja-suave); }

/* 4. Página Sobre ---------------------------------------- */
.about-list { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 24px; list-style: none; }
.about-list li { position: relative; min-height: 42px; padding: 11px 12px 11px 29px; color: var(--texto-suave); border: 1px solid var(--borda); border-radius: var(--raio); background: rgb(28 25 23 / 55%); font-size: 12px; line-height: 1.5; }
.about-list li::before { position: absolute; top: 17px; left: 13px; width: 5px; height: 5px; content: ""; border-radius: 50%; background: var(--laranja); }
.name-formula { margin-top: 28px; padding: 18px 20px; display: flex; align-items: center; flex-wrap: wrap; gap: 12px; border-left: 2px solid var(--laranja); background: rgb(249 115 22 / 6%); }
.name-formula span { font-size: 13px; font-weight: 750; }
.name-formula i { color: #706861; font-style: normal; }
.name-formula strong { color: var(--laranja-suave); }
.development-note { padding: 13px 15px; border: 1px solid rgb(249 115 22 / 18%); border-radius: var(--raio); background: rgb(249 115 22 / 5%); }
.author-link { margin-top: 25px; display: inline-flex; gap: 9px; color: var(--texto); font-size: 12px; font-weight: 800; text-decoration: none; }
.author-link span { color: var(--laranja); }
.author-link:hover { color: var(--laranja-suave); }

/* 5. Página FAQ ------------------------------------------ */
.faq-list { padding: 42px 0; display: grid; gap: 10px; }
.faq-item { overflow: hidden; border: 1px solid var(--borda); border-radius: var(--raio); background: rgb(28 25 23 / 55%); }
.faq-item summary { min-height: 62px; padding: 18px 52px 18px 20px; position: relative; display: flex; align-items: center; color: var(--texto); font-size: 13px; font-weight: 800; cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { position: absolute; right: 20px; content: "+"; color: var(--laranja); font-size: 22px; transition: transform 160ms ease; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item[open] summary { border-bottom: 1px solid var(--borda); }
.faq-answer { padding: 18px 20px 21px; }
.faq-answer p { margin: 0; color: var(--texto-suave); font-size: 13px; line-height: 1.75; }

/* 6. Rodapé ---------------------------------------------- */
.site-footer { padding: 54px clamp(24px, 5vw, 72px) 32px; display: grid; justify-items: center; border-top: 1px solid var(--borda); background: #15120f; text-align: center; }
.footer-intro { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 14px; }
.footer-mark { padding: 10px 18px; color: #fff; border: 1px solid var(--laranja); border-radius: var(--raio); background: var(--laranja); box-shadow: 0 3px 0 #8f3908; font-size: 10px; font-weight: 900; letter-spacing: .13em; text-decoration: none; }
.footer-intro p { margin: 0; color: var(--texto-suave); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.footer-links { display: flex; justify-content: center; flex-wrap: wrap; }
.footer-links a { color: var(--texto-suave); font-size: 10px; letter-spacing: .07em; text-underline-offset: 4px; }
.footer-links a:hover { color: var(--laranja-suave); }
.footer-links-primary { margin-top: 25px; gap: 22px; }
.footer-links-primary a { color: var(--texto); font-weight: 700; text-transform: uppercase; }
.footer-links-secondary { margin-top: 18px; gap: 18px; }
.footer-legal { margin: 25px 0 0; color: #6f6862; font-size: 9px; }
.footer-legal a { color: var(--texto-suave); text-decoration: none; }

/* 7. Responsividade -------------------------------------- */
@media (max-width: 1024px) {
  .site-header.menu-open .top-navigation { right: 24px; width: min(360px, calc(100vw - 48px)); }
}
@media (max-width: 720px) {
  .document-shell { width: min(100% - 36px, 940px); padding: 58px 0 72px; }
  .document-meta { align-items: flex-start; flex-direction: column; gap: 8px; }
  .document-header { padding-bottom: 38px; }
  .document-header h1 { margin-top: 24px; }
  .document-section { padding: 38px 0; grid-template-columns: 1fr; gap: 12px; }
  .section-number { padding-top: 0; }
  .about-list { grid-template-columns: 1fr; }
}
@media (max-width: 580px) {
  .header-inner { min-height: 66px; padding-inline: 18px; gap: 12px; }
  .header-brand { width: 138px; }
  .header-actions { display: none; }
  .menu-button { margin-left: auto; }
  .mobile-account-link { min-height: 42px; margin-top: 16px; display: grid; place-items: center; color: #fff; border-radius: var(--raio); background: var(--laranja); font-size: 11px; font-weight: 850; text-decoration: none; }
  .site-header.menu-open .top-navigation { right: 18px; width: calc(100vw - 36px); }
  .menu-navigation-grid { grid-template-columns: 1fr 1fr; }
  .site-footer { padding: 44px 18px 28px; }
  .footer-intro { max-width: 300px; flex-direction: column; gap: 15px; }
  .footer-intro p, .footer-legal { line-height: 1.7; }
  .footer-links-secondary { max-width: 300px; gap: 14px 18px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}