/* ============================================================
 * TriLeilões — Verificador WhatsApp
 * Brand System V1 (manual 2021 + sistemática Airbnb)
 * Fonte da verdade: clientes/trileiloes/brand/brand-system-v1.md
 * ============================================================ */

:root {
  /* ── BRAND OFICIAL (manual 2021) ── */
  --tri-navy-50:  #f3f7fa;
  --tri-navy-100: #e0e9f0;
  --tri-navy-200: #c0d2e0;
  --tri-navy-600: #1f5478;
  --tri-navy-700: #063955; /* BASE OFICIAL */
  --tri-navy-800: #052e44;
  --tri-navy-900: #042334;

  --tri-bordo-50:  #fbf2f3;
  --tri-bordo-100: #f5dadc;
  --tri-bordo-500: #b73039;
  --tri-bordo-600: #9D1920; /* BASE OFICIAL */
  --tri-bordo-700: #84141a;
  --tri-bordo-800: #6b1015;

  /* ── NEUTROS (Airbnb sistêmico) ── */
  --tri-canvas:         #ffffff;
  --tri-surface-soft:   #f7f7f7;
  --tri-hairline-soft:  #ebebeb;
  --tri-hairline:       #dddddd;
  --tri-border-strong:  #c1c1c1;
  --tri-muted-soft:     #929292;
  --tri-muted:          #6a6a6a;
  --tri-body:           #3f3f3f;
  --tri-ink:            #222222;

  /* ── SEMÂNTICOS ── */
  --tri-success:       #1a7a48;
  --tri-success-bg:    #ecf6f0;
  --tri-success-line:  rgba(26, 122, 72, .22);

  --tri-error:         var(--tri-bordo-600);
  --tri-error-bg:      var(--tri-bordo-50);
  --tri-error-line:    rgba(157, 25, 32, .22);

  --tri-info:          var(--tri-navy-700);
  --tri-info-bg:       var(--tri-navy-50);
  --tri-info-line:     rgba(6, 57, 85, .18);

  /* ── TIPOGRAFIA ──
   * Body: Avenir Next (nativo macOS/iOS) → Nunito Sans (Google Fonts)
   *       → system fallback. Cobre 100% dos dispositivos sem CDN crítica. */
  --tri-font-body: "Avenir Next", "Avenir", "Nunito Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --tri-font-num: ui-monospace, "SF Mono", Menlo, Consolas, "Roboto Mono", "Courier New", monospace;

  --tri-weight-regular:  400;
  --tri-weight-medium:   500;
  --tri-weight-semibold: 600;
  --tri-weight-bold:     700;
  --tri-weight-extrabold:800;

  /* ── SPACING ── */
  --tri-space-xs:   0.25rem;
  --tri-space-sm:   0.5rem;
  --tri-space-md:   0.75rem;
  --tri-space-base: 1rem;
  --tri-space-lg:   1.5rem;
  --tri-space-xl:   2rem;

  /* ── RADIUS ── */
  --tri-radius-sm: 8px;
  --tri-radius-md: 10px;
  --tri-radius-lg: 14px;

  /* ── ELEVATION ── */
  --tri-shadow-card: 0 1px 0 var(--tri-hairline), 0 8px 28px rgba(6, 57, 85, .06);

  /* ── MOTION ── */
  --tri-duration-fast:   150ms;
  --tri-duration-normal: 200ms;
  --tri-ease-default:    cubic-bezier(0.4, 0, 0.2, 1);

  --tri-focus-ring: 0 0 0 3px rgba(157, 25, 32, .25);

  /* ── LOCAIS ── */
  --max: 540px;
  --gap: clamp(18px, 3.5vw, 26px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  font-family: var(--tri-font-body);
  color: var(--tri-ink);
  background: var(--tri-canvas);
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--tri-bordo-100); color: var(--tri-bordo-700); }

.shell {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(20px, 5vw, 36px) clamp(18px, 4.5vw, 28px) 32px;
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}

/* ─── Brand bar ─── */
.brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--tri-hairline-soft);
}
.brand__logo {
  height: 36px;
  width: auto;
  display: block;
  flex-shrink: 0;
}
.brand__role {
  font-size: 11px;
  font-weight: var(--tri-weight-semibold);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--tri-muted);
  line-height: 1.2;
  text-align: right;
}

/* ─── Hero ─── */
.hero {
  position: relative;
  padding-left: 14px;
}
.hero::before {
  content: "";
  position: absolute;
  left: 0; top: 8px; bottom: 14px;
  width: 3px;
  background: var(--tri-bordo-600);
  border-radius: 2px;
}
.hero h1 {
  font-family: var(--tri-font-body);
  font-size: clamp(28px, 6.5vw, 36px);
  line-height: 1.15;
  margin: 0 0 14px;
  color: var(--tri-navy-700);
  font-weight: var(--tri-weight-extrabold);
  letter-spacing: -.015em;
}
.hero h1 em {
  font-style: normal;
  color: var(--tri-bordo-600);
  font-weight: var(--tri-weight-extrabold);
}
.hero__sub {
  margin: 0;
  color: var(--tri-body);
  font-size: 16px;
  line-height: 1.55;
  max-width: 46ch;
  font-weight: var(--tri-weight-regular);
}

/* ─── Card / form ─── */
.card {
  background: var(--tri-canvas);
  border-radius: var(--tri-radius-lg);
  padding: clamp(20px, 4.5vw, 26px);
  border: 1px solid var(--tri-hairline);
  box-shadow: var(--tri-shadow-card);
}

label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--tri-muted);
  margin-bottom: 10px;
  font-weight: var(--tri-weight-bold);
}

.input-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: stretch;
}

input[type="tel"] {
  flex: 1 1 220px;
  height: 56px;
  padding: 0 16px;
  font-family: var(--tri-font-num);
  font-size: 18px;
  border: 1.5px solid var(--tri-border-strong);
  border-radius: var(--tri-radius-md);
  background: var(--tri-canvas);
  color: var(--tri-ink);
  outline: none;
  transition: border-color var(--tri-duration-fast) var(--tri-ease-default),
              box-shadow  var(--tri-duration-fast) var(--tri-ease-default),
              background  var(--tri-duration-fast) var(--tri-ease-default);
  font-variant-numeric: tabular-nums;
  -webkit-appearance: none;
  appearance: none;
  letter-spacing: .01em;
}
input[type="tel"]::placeholder {
  color: var(--tri-muted-soft);
  font-family: var(--tri-font-num);
  letter-spacing: 0;
}
input[type="tel"]:hover { border-color: var(--tri-muted-soft); }
input[type="tel"]:focus,
input[type="tel"]:focus-visible {
  border-color: var(--tri-navy-700);
  box-shadow: 0 0 0 3px rgba(6, 57, 85, .14);
  background: var(--tri-surface-soft);
}

button[type="submit"] {
  height: 56px;
  padding: 0 26px;
  font-family: var(--tri-font-body);
  font-size: 15px;
  font-weight: var(--tri-weight-semibold);
  background: var(--tri-navy-700);
  color: #fff;
  border: 0;
  border-radius: var(--tri-radius-md);
  cursor: pointer;
  transition: background var(--tri-duration-fast) var(--tri-ease-default),
              transform  60ms ease;
  letter-spacing: .02em;
  min-width: 132px;
}
button[type="submit"]:hover { background: var(--tri-navy-800); }
button[type="submit"]:focus-visible {
  outline: none;
  box-shadow: var(--tri-focus-ring);
}
button[type="submit"]:active { transform: translateY(1px); background: var(--tri-navy-900); }
button[type="submit"]:disabled { opacity: .65; cursor: progress; }

.dica {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--tri-muted);
  line-height: 1.5;
}

@media (max-width: 540px) {
  .input-row { flex-direction: column; gap: 10px; }
  input[type="tel"],
  button[type="submit"] {
    flex: 0 0 auto;
    width: 100%;
    min-width: 0;
  }
  .brand__role { font-size: 10px; }
  .hero h1 { font-size: clamp(26px, 7.2vw, 32px); }
}

/* ─── Resultado ─── */
.resultado {
  margin-top: 20px;
  border-radius: 12px;
  overflow: hidden;
  transition: opacity var(--tri-duration-normal) var(--tri-ease-default);
}
.resultado:empty { display: none; }

.resultado--ok {
  background: var(--tri-success-bg);
  border: 1px solid var(--tri-success-line);
  padding: 18px;
}
.resultado--warn {
  background: var(--tri-error-bg);
  border: 1px solid var(--tri-error-line);
  padding: 18px;
}
.resultado--info {
  background: var(--tri-info-bg);
  border: 1px solid var(--tri-info-line);
  padding: 14px 18px;
  color: var(--tri-body);
}

.resultado__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 6px;
}
.resultado__icon {
  width: 22px; height: 22px;
  flex-shrink: 0;
}
.resultado--ok   .resultado__icon { color: var(--tri-success); }
.resultado--warn .resultado__icon { color: var(--tri-error); }
.resultado--info .resultado__icon { color: var(--tri-info); }

.resultado__title {
  margin: 0;
  font-family: var(--tri-font-body);
  font-size: 16px;
  font-weight: var(--tri-weight-bold);
  letter-spacing: -.005em;
}
.resultado--ok   .resultado__title { color: var(--tri-success); }
.resultado--warn .resultado__title { color: var(--tri-error); }
.resultado--info .resultado__title { color: var(--tri-info); font-size: 15px; }

.resultado__line {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.55;
  color: var(--tri-ink);
}
.resultado__line strong { color: var(--tri-navy-700); }
.resultado__num {
  font-family: var(--tri-font-num);
  letter-spacing: .01em;
  color: var(--tri-navy-700);
  font-weight: var(--tri-weight-semibold);
}

.resultado__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  background: #25d366; /* WhatsApp brand color — uso reconhecido pelo usuário */
  color: #fff;
  text-decoration: none;
  padding: 11px 18px;
  border-radius: var(--tri-radius-sm);
  font-weight: var(--tri-weight-semibold);
  font-size: 14px;
  letter-spacing: .01em;
  transition: filter var(--tri-duration-fast) var(--tri-ease-default),
              transform 60ms ease;
}
.resultado__cta svg { width: 16px; height: 16px; }
.resultado__cta:hover { filter: brightness(.95); }
.resultado__cta:active { transform: translateY(1px); }

.resultado--warn .resultado__cta {
  background: var(--tri-bordo-600);
}
.resultado--warn .resultado__cta:hover {
  background: var(--tri-bordo-700);
  filter: none;
}

/* ─── Info / Como funciona ─── */
.info {
  padding: 0;
  border-top: 1px solid var(--tri-hairline-soft);
  padding-top: 22px;
}
.info h2 {
  margin: 0 0 14px;
  font-family: var(--tri-font-body);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .16em;
  color: var(--tri-muted);
  font-weight: var(--tri-weight-bold);
}
.info ol {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: passo;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.info ol li {
  counter-increment: passo;
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  align-items: baseline;
  color: var(--tri-body);
  font-size: 15px;
  line-height: 1.5;
}
.info ol li::before {
  content: counter(passo, decimal-leading-zero);
  font-family: var(--tri-font-body);
  font-size: 15px;
  font-weight: var(--tri-weight-extrabold);
  color: var(--tri-bordo-600);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.rodape {
  margin: 18px 0 0;
  padding-top: 18px;
  border-top: 1px dashed var(--tri-hairline);
  font-size: 14px;
  color: var(--tri-body);
  line-height: 1.55;
}
.rodape a {
  color: var(--tri-navy-700);
  font-weight: var(--tri-weight-semibold);
  text-decoration: none;
  font-family: var(--tri-font-num);
  letter-spacing: .01em;
  border-bottom: 1.5px solid var(--tri-bordo-600);
  padding-bottom: 1px;
}
.rodape a:hover { color: var(--tri-navy-800); }

/* ─── Foot ─── */
.foot {
  text-align: center;
  color: var(--tri-muted);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding-top: 4px;
}
.foot a { color: var(--tri-muted); text-decoration: none; }
.foot a:hover { color: var(--tri-navy-700); }

/* ─── Onload reveal ─── */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(8px); animation: reveal .6s ease forwards; }
  .reveal[data-delay="1"] { animation-delay: 40ms; }
  .reveal[data-delay="2"] { animation-delay: 110ms; }
  .reveal[data-delay="3"] { animation-delay: 180ms; }
  .reveal[data-delay="4"] { animation-delay: 260ms; }
  .reveal[data-delay="5"] { animation-delay: 340ms; }
}
@keyframes reveal {
  to { opacity: 1; transform: translateY(0); }
}