html, body {
  margin: 0;
  padding: 0;
  background: #000000;
}

body {
  min-height: 100vh;
}

/* Calculadora de Área de Aço - André de Vasconcelos
   CSS totalmente escopado em #av-area-aco para reduzir conflitos no WordPress. */

#av-area-aco {
  --av-bg: #08090a;
  --av-bg-2: #101214;
  --av-panel: #14171a;
  --av-panel-2: #181b1f;
  --av-line: rgba(255, 255, 255, 0.12);
  --av-line-strong: rgba(255, 255, 255, 0.22);
  --av-text: #f7f7f7;
  --av-muted: #a9afb7;
  --av-white: #ffffff;
  --av-soft: rgba(255, 255, 255, 0.07);
  --av-soft-2: rgba(255, 255, 255, 0.11);
  --av-radius: 22px;
  --av-radius-sm: 14px;

  width: 100%;
  padding: 24px 12px;
  color: var(--av-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

#av-area-aco,
#av-area-aco * {
  box-sizing: border-box;
}

#av-area-aco button,
#av-area-aco input,
#av-area-aco select {
  font: inherit;
}

#av-area-aco .av-shell {
  width: min(1180px, 100%);
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--av-line);
  border-radius: 28px;
  background:
    radial-gradient(circle at 88% 0%, rgba(255,255,255,.08), transparent 30%),
    linear-gradient(180deg, var(--av-bg-2), var(--av-bg));
  box-shadow: 0 28px 70px rgba(0,0,0,.28);
}

#av-area-aco .av-hero {
  position: relative;
  padding: 30px;
  border-bottom: 1px solid var(--av-line);
  overflow: hidden;
}

#av-area-aco .av-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .34;
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size: 30px 30px;
  -webkit-mask-image: linear-gradient(to bottom, #000 15%, transparent 95%);
  mask-image: linear-gradient(to bottom, #000 15%, transparent 95%);
}

#av-area-aco .av-hero-grid,
#av-area-aco .av-brand-block {
  position: relative;
  z-index: 1;
}

#av-area-aco .av-brand-block {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  align-items: center;
  gap: 28px;
}

#av-area-aco .av-logo {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

#av-area-aco .av-title-block {
  min-width: 0;
}

#av-area-aco .av-kicker {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--av-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
}

#av-area-aco h1,
#av-area-aco h2,
#av-area-aco p {
  margin-top: 0;
}

#av-area-aco h1 {
  margin-bottom: 10px;
  font-size: clamp(28px, 4.4vw, 54px);
  line-height: .98;
  letter-spacing: -.045em;
  font-weight: 800;
}

#av-area-aco .av-title-block p {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--av-muted);
  font-size: 15px;
}

#av-area-aco .av-content {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 20px;
  padding: 22px;
}

#av-area-aco .av-card {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--av-line);
  border-radius: var(--av-radius);
  background: rgba(255,255,255,.045);
  backdrop-filter: blur(8px);
}

#av-area-aco .av-step-head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 20px;
}

#av-area-aco .av-step-number {
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--av-line-strong);
  border-radius: 12px;
  background: var(--av-soft);
  font-size: 13px;
  font-weight: 800;
}

#av-area-aco .av-step-head h2 {
  margin-bottom: 3px;
  font-size: 21px;
  letter-spacing: -.02em;
}

#av-area-aco .av-step-head p {
  margin-bottom: 0;
  color: var(--av-muted);
  font-size: 13px;
}

#av-area-aco .av-groups {
  display: grid;
  gap: 12px;
}

#av-area-aco .av-group-row {
  padding: 14px;
  border: 1px solid var(--av-line);
  border-radius: 17px;
  background: rgba(255,255,255,.035);
}

#av-area-aco .av-group-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

#av-area-aco .av-group-title {
  color: var(--av-muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

#av-area-aco .av-group-fields {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 10px;
  align-items: end;
}

#av-area-aco .av-field {
  display: block;
  min-width: 0;
}

#av-area-aco .av-field > span {
  display: block;
  margin-bottom: 7px;
  color: var(--av-muted);
  font-size: 12px;
  font-weight: 600;
}

#av-area-aco input,
#av-area-aco select {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  color: var(--av-text);
  border: 1px solid var(--av-line);
  border-radius: 12px;
  outline: none;
  background: rgba(255,255,255,.055);
  transition: border-color .15s ease, background .15s ease, box-shadow .15s ease;
}

#av-area-aco input:focus,
#av-area-aco select:focus {
  border-color: rgba(255,255,255,.42);
  background: rgba(255,255,255,.085);
  box-shadow: 0 0 0 4px rgba(255,255,255,.055);
}

#av-area-aco select option {
  color: #111;
  background: #fff;
}

#av-area-aco .av-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

#av-area-aco .av-btn {
  min-height: 46px;
  padding: 0 16px;
  border: 1px solid var(--av-line);
  border-radius: 12px;
  color: var(--av-text);
  background: var(--av-soft);
  cursor: pointer;
  font-weight: 700;
  transition: background .15s ease, transform .15s ease, border-color .15s ease;
}

#av-area-aco .av-btn:hover {
  background: var(--av-soft-2);
  border-color: var(--av-line-strong);
  transform: translateY(-1px);
}

#av-area-aco .av-btn:focus-visible {
  outline: 2px solid var(--av-white);
  outline-offset: 2px;
}

#av-area-aco .av-btn:disabled {
  opacity: .38;
  cursor: not-allowed;
  transform: none;
}

#av-area-aco .av-btn-primary {
  color: #0a0a0b;
  border-color: #fff;
  background: #fff;
}

#av-area-aco .av-btn-primary:hover {
  color: #0a0a0b;
  background: #ececec;
}

#av-area-aco .av-btn-secondary {
  background: transparent;
}

#av-area-aco .av-icon-btn {
  width: 46px;
  height: 46px;
  min-width: 46px;
  padding: 0;
  border: 1px solid var(--av-line);
  border-radius: 12px;
  color: var(--av-text);
  background: rgba(255,255,255,.04);
  cursor: pointer;
  font-size: 20px;
}

#av-area-aco .av-icon-btn:hover {
  background: rgba(255,255,255,.1);
}

#av-area-aco .av-result-panel {
  margin-top: 18px;
  padding: 19px;
  border: 1px solid var(--av-line-strong);
  border-radius: 19px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.09), rgba(255,255,255,.035));
}

#av-area-aco .av-result-label {
  display: block;
  margin-bottom: 7px;
  color: var(--av-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
}

#av-area-aco .av-result-value {
  display: block;
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1;
  letter-spacing: -.045em;
}

#av-area-aco .av-result-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

#av-area-aco .av-chip {
  padding: 7px 10px;
  border: 1px solid var(--av-line);
  border-radius: 999px;
  color: var(--av-muted);
  background: rgba(255,255,255,.035);
  font-size: 11px;
  font-weight: 700;
}

#av-area-aco .av-breakdown {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

#av-area-aco .av-breakdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 12px;
  border: 1px solid var(--av-line);
  border-radius: 12px;
  background: rgba(0,0,0,.12);
}

#av-area-aco .av-breakdown-item span {
  color: var(--av-muted);
  font-size: 12px;
}

#av-area-aco .av-breakdown-item strong {
  font-size: 14px;
}

#av-area-aco .av-breakdown-right {
  text-align: right;
}

#av-area-aco .av-form {
  display: grid;
  gap: 12px;
}

#av-area-aco .av-field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

#av-area-aco .av-btn-full {
  width: 100%;
  margin-top: 2px;
}

#av-area-aco .av-suggestions-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-top: 22px;
  margin-bottom: 9px;
}

#av-area-aco .av-suggestions-head strong {
  font-size: 13px;
}

#av-area-aco .av-suggestions-head span {
  color: var(--av-muted);
  font-size: 11px;
}

#av-area-aco .av-suggestions {
  display: grid;
  gap: 9px;
}

#av-area-aco .av-suggestion {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 13px;
  border: 1px solid var(--av-line);
  border-radius: 14px;
  background: rgba(255,255,255,.035);
}

#av-area-aco .av-suggestion-main strong {
  display: block;
  margin-bottom: 2px;
  font-size: 16px;
}

#av-area-aco .av-suggestion-main span,
#av-area-aco .av-suggestion-value span {
  color: var(--av-muted);
  font-size: 11px;
}

#av-area-aco .av-suggestion-value {
  flex: 0 0 auto;
  text-align: right;
}

#av-area-aco .av-suggestion-value strong {
  display: block;
  font-size: 15px;
}

#av-area-aco .av-note {
  margin: 0 22px 22px;
  padding: 16px 18px;
  border: 1px solid var(--av-line);
  border-radius: 16px;
  background: rgba(255,255,255,.025);
}

#av-area-aco .av-note strong,
#av-area-aco .av-note span {
  display: block;
}

#av-area-aco .av-note strong {
  margin-bottom: 4px;
  font-size: 13px;
}

#av-area-aco .av-note span {
  margin-bottom: 8px;
  font-size: 14px;
}

#av-area-aco .av-note p {
  margin-bottom: 0;
  color: var(--av-muted);
  font-size: 11px;
}

#av-area-aco .av-footer {
  padding: 15px 22px 18px;
  color: var(--av-muted);
  border-top: 1px solid var(--av-line);
  text-align: center;
  font-size: 11px;
}

@media (max-width: 860px) {
  #av-area-aco .av-content {
    grid-template-columns: 1fr;
  }

  #av-area-aco .av-brand-block {
    grid-template-columns: 150px minmax(0, 1fr);
  }
}

@media (max-width: 620px) {
  #av-area-aco {
    padding: 10px 6px;
  }

  #av-area-aco .av-shell {
    border-radius: 20px;
  }

  #av-area-aco .av-hero {
    padding: 22px 18px;
  }

  #av-area-aco .av-brand-block {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  #av-area-aco .av-logo {
    width: 155px;
  }

  #av-area-aco .av-content {
    padding: 14px;
  }

  #av-area-aco .av-card {
    padding: 17px;
  }

  #av-area-aco .av-group-fields,
  #av-area-aco .av-field-grid {
    grid-template-columns: 1fr;
  }

  #av-area-aco .av-icon-cell {
    display: flex;
    justify-content: flex-end;
  }

  #av-area-aco .av-result-value {
    font-size: 39px;
  }

  #av-area-aco .av-breakdown-item,
  #av-area-aco .av-suggestion {
    align-items: flex-start;
    flex-direction: column;
  }

  #av-area-aco .av-breakdown-right,
  #av-area-aco .av-suggestion-value {
    text-align: left;
  }

  #av-area-aco .av-note {
    margin: 0 14px 14px;
  }
}