/* ============================================================
   CALCULADORA DE REFORMA — Design System Global
   Mobile-First | Dark Mode | Terracotta Palette
   ============================================================ */

/* ===== GOOGLE FONTS =====
   Carregadas via <link> no HTML (preload + media swap).
   NÃO usar @import aqui — causa requisição duplicada. */

/* ===== CSS RESET ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

img, video, svg {
  display: block;
  max-width: 100%;
}

input, button, select, textarea {
  font: inherit;
}

/* ===== DESIGN TOKENS ===== */
:root {
  /* -- Colors -- */
  --color-bg:               #0C0A08;
  --color-surface:          #181410;
  --color-surface-elevated: #211C17;
  --color-surface-high:     #2C251E;
  --color-border-subtle:    #2A221B;
  --color-border:           #3A3028;

  --color-primary:          #E8652A;
  --color-primary-hover:    #F0784A;
  --color-primary-dim:      rgba(232, 101, 42, 0.14);
  --color-primary-glow:     rgba(232, 101, 42, 0.28);

  --color-accent:           #F5C518;
  --color-success:          #52B788;
  --color-error:            #E05555;
  --color-warning:          #F5A623;

  --color-text:             #F0EAE2;
  --color-text-secondary:   #9A8878;
  --color-text-muted:       #534740;

  /* -- Typography -- */
  --font-heading: 'Outfit', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;

  --text-xs:   0.75rem;    /* 12px */
  --text-sm:   0.875rem;   /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg:   1.125rem;   /* 18px */
  --text-xl:   1.25rem;    /* 20px */
  --text-2xl:  1.5rem;     /* 24px */
  --text-3xl:  1.875rem;   /* 30px */
  --text-4xl:  2.25rem;    /* 36px */

  --font-normal:    400;
  --font-medium:    500;
  --font-semibold:  600;
  --font-bold:      700;
  --font-extrabold: 800;

  /* -- Spacing (4px base) -- */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* -- Border Radius -- */
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --radius-xl:   22px;
  --radius-full: 9999px;

  /* -- Shadows -- */
  --shadow-sm:      0 1px 3px rgba(0,0,0,0.5);
  --shadow-md:      0 4px 20px rgba(0,0,0,0.5);
  --shadow-lg:      0 8px 40px rgba(0,0,0,0.6);
  --shadow-primary: 0 4px 24px rgba(232, 101, 42, 0.3);

  /* -- Transitions -- */
  --transition-fast: 140ms ease;
  --transition-base: 240ms ease;
  --transition-slow: 400ms ease;

  /* -- Header -- */
  --color-header-bg: rgba(12, 10, 8, 0.75);
  --glass-bg: rgba(24, 20, 16, 0.6);
  --glass-border: rgba(255, 255, 255, 0.08);

  /* -- Layout -- */
  --max-width:    540px; /* Mobile standard */
  --page-padding: 1.25rem;
}

@media (min-width: 768px) {
  :root {
    --max-width: 960px;
    --page-padding: 2.5rem;
  }
}

@media (min-width: 1200px) {
  :root {
    --max-width: 1100px; /* Slightly tighter for better balance */
  }
}

/* ===== LIGHT THEME ===== */
:root.light-theme {
  --color-bg:               #FAF9F6;
  --color-surface:          #FFFFFF;
  --color-surface-elevated: #F5F3EF;
  --color-surface-high:     #EAE6DF;
  --color-border-subtle:    #E0DBD4;
  --color-border:           #D1CAC2;

  --color-text:             #1C1917;
  --color-text-secondary:   #57534E;
  --color-text-muted:       #8A8580;

  --shadow-sm:      0 1px 3px rgba(0,0,0,0.04);
  --shadow-md:      0 6px 16px rgba(0,0,0,0.06);
  --shadow-lg:      0 12px 32px rgba(0,0,0,0.08);
  --shadow-primary: 0 4px 16px rgba(232, 101, 42, 0.2);

  --color-primary:          #D1541D;
  --color-primary-hover:    #E8652A;

  --color-header-bg: rgba(255, 255, 255, 0.75);
  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-border: rgba(0, 0, 0, 0.05);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeInUp 0.5s var(--transition-base) forwards;
  opacity: 0;
}
.delay-1 { animation-delay: 100ms; }
.delay-2 { animation-delay: 200ms; }
.delay-3 { animation-delay: 300ms; }

/* ===== ACCESSIBILITY ===== */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  padding: 1rem;
  background: var(--color-primary);
  color: white;
  z-index: 1000;
  transition: top 0.3s;
  text-decoration: none;
  font-weight: var(--font-bold);
  border-radius: 0 0 var(--radius-md) 0;
}
.skip-link:focus {
  top: 0;
}

/* ===== BASE ===== */
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main { flex: 1; }

/* ===== LAYOUT ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--page-padding);
}

/* ===== SITE HEADER ===== */
.site-header {
  background: var(--color-header-bg);
  border-bottom: 1px solid var(--color-border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
}

/* ===== LOGO ===== */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--color-primary), #B83C15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
  box-shadow: var(--shadow-primary);
}

.logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  color: var(--color-text);
  line-height: 1.1;
}

.logo-text span { color: var(--color-primary); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  padding: 0.875rem var(--space-6);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  min-height: 52px;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, #C04018 100%);
  color: #fff;
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: linear-gradient(135deg, var(--color-primary-hover) 0%, var(--color-primary) 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(232, 101, 42, 0.45);
}

.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1.5px solid var(--color-border);
}

/* ===== THEME TOGGLE ===== */
.theme-toggle-btn {
  background: transparent;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-full);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text-secondary);
  font-size: 1.25rem;
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
  padding: 0;
}
.theme-toggle-btn:hover {
  background: var(--color-surface-elevated);
  color: var(--color-text);
  border-color: var(--color-border);
}
.theme-toggle-btn .sun-icon { display: none; }
.theme-toggle-btn .moon-icon { display: block; }
:root.light-theme .theme-toggle-btn .sun-icon { display: block; }
:root.light-theme .theme-toggle-btn .moon-icon { display: none; }

.btn-ghost:hover {
  background: var(--color-surface-elevated);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-ghost:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-full { width: 100%; }

/* Disclaimer Legal */
.calc-disclaimer {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
  margin-top: var(--space-4);
  line-height: 1.5;
  padding-inline: var(--space-4);
}

.calc-disclaimer strong {
  color: var(--color-text-secondary);
}

/* ===== FORM ELEMENTS ===== */
.form-group { margin-bottom: var(--space-5); }

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.form-input,
.form-select {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  color: var(--color-text);
  background: var(--color-surface-elevated);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.875rem var(--space-4);
  min-height: 56px;
  transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
  outline: none;
}

.form-input:focus,
.form-select:focus {
  border-color: var(--color-primary);
  background: var(--color-surface-high);
  box-shadow: 0 0 0 3px var(--color-primary-dim);
}

.form-input::placeholder { color: var(--color-text-muted); }

.form-input.is-error { border-color: var(--color-error); }

.form-hint {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  line-height: 1.5;
}

.form-error-msg {
  display: none;
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: var(--space-2);
}

.form-input.is-error ~ .form-error-msg { display: block; }

/* Input with unit suffix */
.input-with-suffix { position: relative; }

.input-with-suffix .form-input { padding-right: 3.75rem; }

.input-suffix {
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-muted);
  pointer-events: none;
}

/* Custom select arrow */
.select-wrapper { position: relative; }

.select-wrapper select { padding-right: 3rem; cursor: pointer; }

.select-wrapper::after {
  content: '▾';
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-secondary);
  pointer-events: none;
  font-size: var(--text-lg);
}

/* ===== RESULT CARD ===== */
.result-card {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  transition: all var(--transition-base);
}

.result-card.highlight {
  background: var(--color-primary-dim);
  border-color: rgba(232, 101, 42, 0.35);
  box-shadow: 0 0 0 1px rgba(232, 101, 42, 0.1);
}

.result-icon {
  font-size: 1.5rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-high);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.result-card.highlight .result-icon {
  background: rgba(232, 101, 42, 0.18);
}

.result-label {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: var(--font-medium);
  margin-bottom: var(--space-1);
}

.result-value {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-text);
  letter-spacing: -0.02em;
  line-height: 1;
}

.result-card.highlight .result-value { color: var(--color-primary); }

.result-unit {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--font-normal);
  color: var(--color-text-secondary);
  margin-left: var(--space-1);
}

/* ===== BADGE ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge-primary {
  background: var(--color-primary-dim);
  color: var(--color-primary);
  border: 1px solid rgba(232, 101, 42, 0.25);
}

.badge-warning {
  background: rgba(245, 166, 35, 0.12);
  color: var(--color-warning);
  border: 1px solid rgba(245, 166, 35, 0.2);
}

/* ===== DIVIDER ===== */
.divider {
  border: none;
  border-top: 1px solid var(--color-border-subtle);
  margin: var(--space-6) 0;
}

/* ===== AFFILIATE OFFER CARD ===== */
.affiliate-offers {
  margin-top: var(--space-8);
  padding: var(--space-6);
  background: var(--color-surface-elevated);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
}

.affiliate-offers-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-text);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.offer-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-fast);
  margin-bottom: var(--space-3);
}

.offer-card:hover {
  border-color: var(--color-primary);
  transform: translateX(4px);
}

.offer-img-placeholder {
  width: 50px;
  height: 50px;
  background: var(--color-surface-high);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.offer-info { flex: 1; }

.offer-name {
  font-weight: var(--font-bold);
  font-size: var(--text-base);
  color: var(--color-text);
}

.offer-price {
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: var(--font-semibold);
}

.offer-cta {
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ===== SITE FOOTER ===== */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-subtle);
  padding: var(--space-6) 0;
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-12);
}

.site-footer a {
  color: var(--color-primary);
  text-decoration: none;
}

/* ===== RESPONSIVE ===== */
@media (min-width: 430px) {
  :root { --page-padding: 1.25rem; }
}

@media (min-width: 768px) {
  :root {
    --max-width: 900px;
    --page-padding: 2rem;
  }
}

/* ===== FAQ ACCORDION ===== */
.faq-section { padding: var(--space-8) 0 var(--space-4); }

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.faq-item[open] {
  border-color: rgba(232, 101, 42, 0.3);
}

.faq-question {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  min-height: 56px;
}

.faq-question::-webkit-details-marker { display: none; }

.faq-question::after {
  content: '+';
  font-size: var(--text-xl);
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform var(--transition-base);
  font-weight: var(--font-normal);
  line-height: 1;
}

.faq-item[open] .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 var(--space-6) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.8;
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--space-4);
}

.faq-answer a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.faq-answer strong {
  color: var(--color-text);
  font-weight: var(--font-semibold);
}

/* Adjusting hero CTA on desktop — inline instead of full width */
@media (min-width: 1024px) {
  /* hero-cta: already handled via !important override */
}

/* ===== DESKTOP (1024px+) ===== */
@media (min-width: 1024px) {
  :root {
    --max-width: 1200px;
    --page-padding: 3rem;
  }

  /* Scale logo */
  .logo-text { font-size: var(--text-lg); }

  /* Scale result values */
  .result-value { font-size: var(--text-3xl); }
}

/* ============================================================
   SHARED CALCULATOR PAGE STYLES
   Extraído de inline <style> para manutenção centralizada
   ============================================================ */

/* ── Back Button ──────────────────────────────────────────────── */
.btn-back {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.btn-back:hover {
  color: var(--color-text);
  background: var(--color-surface-elevated);
}

/* ── Page Header ──────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-8) 0 var(--space-5);
}
.page-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  background: var(--color-primary-dim);
  border: 1px solid rgba(232, 101, 42, 0.3);
  border-radius: var(--radius-lg);
  flex-shrink: 0;
}
.page-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--font-extrabold);
  color: var(--color-text);
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.page-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

/* ── Calc Card & Results ──────────────────────────────────────── */
.calc-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin-bottom: var(--space-4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}
.calc-card-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-text);
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border-subtle);
}
.results-section {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin-bottom: var(--space-4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}
.results-section-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-text);
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border-subtle);
}
.results-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-10) 0;
  color: var(--color-text-muted);
  text-align: center;
  font-size: var(--text-sm);
}
.results-empty-icon {
  font-size: 2.75rem;
  opacity: 0.35;
}

/* ── Memória de Cálculo (Engineered Logic) ────────────────────── */
.memoria-card {
  background: rgba(232, 101, 42, 0.05);
  border: 1px solid rgba(232, 101, 42, 0.15);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-5);
  font-size: var(--text-sm);
  animation: fadeInUp 0.4s var(--transition-base) forwards;
}
.memoria-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  color: var(--color-primary);
  font-weight: var(--font-bold);
}
.memoria-body {
  color: var(--color-text-secondary);
  line-height: 1.5;
}
.memoria-body strong {
  color: var(--color-text);
}
.text-hint {
  font-size: var(--text-xs);
  margin-top: var(--space-2);
  opacity: 0.8;
  font-style: italic;
}
.results-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* ── Input Rows ───────────────────────────────────────────────── */
.input-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

/* ── Toggle Buttons (Margem, Demãos) ──────────────────────────── */
.margem-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}
.margem-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: var(--space-3) var(--space-2);
  background: var(--color-surface-elevated);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 58px;
}
.margem-btn small {
  font-size: 0.6rem;
  font-weight: var(--font-normal);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  opacity: 0.8;
}
.margem-btn.active {
  background: var(--color-primary-dim);
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.margem-btn:hover:not(.active) {
  background: var(--color-surface-high);
  color: var(--color-text);
}

.demao-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}
.demao-btn {
  padding: var(--space-3) var(--space-2);
  background: var(--color-surface-elevated);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.demao-btn.active {
  background: var(--color-primary-dim);
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.demao-btn:hover:not(.active) {
  background: var(--color-surface-high);
  color: var(--color-text);
}

/* ── Callouts ─────────────────────────────────────────────────── */
.result-callout {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  background: rgba(245, 166, 35, 0.07);
  border: 1px solid rgba(245, 166, 35, 0.2);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: 1.65;
}
.result-callout strong {
  color: var(--color-text);
  font-weight: bold;
}

/* ── Misc ─────────────────────────────────────────────────────── */
.reset-wrapper {
  padding: var(--space-2) 0 var(--space-10);
}
.result-pending {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ── SEO Article Content ──────────────────────────────────────── */
.seo-article {
  max-width: 800px;
  margin: var(--space-10) auto;
  padding: 0 var(--space-4);
  line-height: 1.8;
  color: var(--color-text-secondary);
  font-size: var(--text-base);
}
.seo-article h2 {
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  margin: var(--space-10) 0 var(--space-4);
}
.seo-article h3 {
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  margin: var(--space-8) 0 var(--space-3);
}
.seo-article p {
  margin-bottom: var(--space-4);
}
.seo-article ul {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}
.seo-article li {
  margin-bottom: var(--space-2);
}
.seo-article img {
  width: 100%;
  border-radius: var(--radius-xl);
  margin: var(--space-6) 0;
}
.seo-article strong {
  color: var(--color-text);
}
.seo-article .updated-date {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

/* ── Breadcrumbs ──────────────────────────────────────────────── */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding: var(--space-4) 0 0;
  flex-wrap: wrap;
}
.breadcrumbs a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.breadcrumbs a:hover {
  color: var(--color-primary);
}
.breadcrumbs span[aria-hidden] {
  color: var(--color-text-muted);
  font-size: 0.65rem;
}

/* ── Related Calculators (Interlinking) ───────────────────────── */
.related-calcs {
  padding: var(--space-8) 0;
}
.related-calcs-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.related-calcs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}
.related-calc-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  transition: all var(--transition-fast);
}
.related-calc-link:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-elevated);
  transform: translateX(4px);
}
.related-calc-link span:first-child {
  font-size: 1.25rem;
}

/* ── Inline Form Errors (replaces alert()) ────────────────────── */
.form-group .inline-error {
  display: none;
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: var(--space-1);
  animation: shake 0.3s ease;
}
.form-group.has-error .inline-error {
  display: block;
}
.form-group.has-error .form-input {
  border-color: var(--color-error);
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

/* ── Calculator Layout (Desktop) ──────────────────────────────── */
@media (min-width: 1024px) {
  .page-header { padding: var(--space-10) 0 var(--space-6); }
  .page-title { font-size: var(--text-3xl); }
  .calc-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 24px;
    align-items: start;
  }
  .results-section {
    position: sticky;
    top: 80px;
    margin-bottom: 0;
  }
  .calc-card { margin-bottom: 0; }
  .results-section-title,
  .calc-card-title { font-size: var(--text-xl); }
  .reset-wrapper { padding: var(--space-4) 0 var(--space-12); }
  .related-calcs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ── Mobile Small Screens (< 400px) ──────────────────────────── */
@media (max-width: 399px) {
  .input-row {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
}

/* ── Print ─────────────────────────────────────────────────────── */
@media print {
  .site-header, .btn-back, .btn-primary, .reset-wrapper,
  .seo-article, .related-calcs, .breadcrumbs,
  [id="btn-share"] { display: none !important; }
  body { background: white; color: black; }
  .calc-card, .results-section {
    border: 2px solid #ccc;
    break-inside: avoid;
    margin-bottom: 2rem;
  }
}

/* ── Cookie Consent Banner (LGPD) ─────────────────────────────── */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--glass-border);
  padding: var(--space-4) var(--space-6);
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  z-index: 1000;
  box-shadow: 0 -4px 24px rgba(0,0,0,0.2);
  transform: translateY(100%);
  transition: transform var(--transition-slow);
}

.cookie-banner.show {
  transform: translateY(0);
}

.cookie-banner-text {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.5;
}

.cookie-banner-text a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cookie-banner-actions {
  display: flex;
  gap: var(--space-3);
  flex-shrink: 0;
}

.cookie-banner .btn {
  min-height: 44px;
  padding: 0 var(--space-4);
  font-size: var(--text-sm);
}

@media (max-width: 767px) {
  .cookie-banner {
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-5) var(--space-4);
  }
  .cookie-banner-actions {
    flex-direction: column;
  }
}
/* ============================================================
   SEO & PERFORMANCE OPTIMIZATIONS
   ============================================================ */

/* Reserver espaço para afiliados (Evita CLS - Cumulative Layout Shift) */
#affiliate-injection-point {
  min-height: 240px;
  display: block;
  width: 100%;
}

/* Estilo para Fieldsets Semânticos (Melhoria de Acessibilidade/Bot) */
.form-fieldset {
  border: none;
  padding: 0;
  margin: 0;
}
.form-legend {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================================
   AUTORIDADE E PROFISSIONALISMO
   ============================================================ */

/* Selo de Especialista */
.expert-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, rgba(232, 101, 42, 0.08), rgba(232, 101, 42, 0.15));
  color: var(--color-primary);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: var(--text-xs);
  font-weight: 600;
  margin-bottom: var(--space-3);
  border: 1px solid rgba(232, 101, 42, 0.2);
  box-shadow: 0 0 15px rgba(232, 101, 42, 0.05);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.expert-badge span {
  filter: drop-shadow(0 0 4px var(--color-primary-glow));
}

/* Memória de Cálculo */
.calc-memory-details {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-top: var(--space-3);
  overflow: hidden;
  background: var(--color-bg-alt);
}

.calc-memory-summary {
  padding: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  transition: background 0.2s;
}

.calc-memory-summary:hover {
  background: var(--color-border);
}

.calc-memory-content {
  padding: var(--space-5);
  border-top: 1px solid var(--color-border);
  font-family: 'Fira Code', 'Courier New', Courier, monospace;
  font-size: 0.85rem;
  line-height: 1.8;
  background: #0D0B09;
  color: #D1CAC2;
  position: relative;
}

.calc-memory-content::before {
  content: "ENG_LOG //";
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 10px;
  color: var(--color-text-muted);
  font-weight: 700;
  opacity: 0.5;
}

.light-theme .calc-memory-content {
  background: #F5F3EF;
  color: #1C1917;
}

/* Glass Utilities */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-lg);
}

/* Regras de Impressão (PDF) */
@media print {
  body {
    background: white !important;
    color: black !important;
  }

  .site-header, .site-footer, .breadcrumbs, .page-subtitle, .calc-card, .reset-wrapper, .related-calcs, .seo-article, .cookie-banner, #theme-toggle, .btn-back, .btn-ghost, .theme-toggle-btn {
    display: none !important;
  }

  .container {
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  .results-section {
    width: 100% !important;
    box-shadow: none !important;
    border: none !important;
  }

  .results-grid {
    display: block !important;
  }

  .result-card {
    border: 1px solid #ddd !important;
    margin-bottom: 10px !important;
    page-break-inside: avoid;
  }

  .result-callout {
    background: #f0f0f0 !important;
    border: 1px solid #ccc !important;
  }

  .page-header {
    text-align: center;
    border-bottom: 2px solid #E8652A;
    padding-bottom: 20px;
    margin-bottom: 30px;
  }

  .page-title {
    font-size: 24pt !important;
    color: black !important;
  }

  /* Mostrar Links no PDF */
  .affiliate-link::after {
    content: " (" attr(href) ")";
    font-size: 0.8rem;
    color: #666;
  }
}

/* ══ HISTÓRICO LOCAL ══════════════════════════════════════════════════ */
.history-section {
    padding: var(--space-4) 0;
    margin-top: -var(--space-8);
    position: relative;
    z-index: 10;
}

#recent-history-container[hidden] {
    display: none;
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
}

.history-header h2 {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

.history-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-4);
}

.history-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--color-text);
    position: relative;
}

.history-card:hover {
    transform: translateY(-2px);
    border-color: var(--color-primary);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.history-card-icon {
    width: 40px;
    height: 40px;
    background: var(--color-primary-dim);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.history-card-content {
    flex: 1;
    min-width: 0;
}

.history-card-title {
    font-weight: var(--font-bold);
    font-size: var(--text-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-card-summary {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    margin-top: 2px;
}

.history-card-date {
    font-size: 10px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.btn-delete-history {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: 50%;
    transition: all 0.2s;
    font-size: 14px;
    opacity: 0.6;
    z-index: 2;
}

.btn-delete-history:hover {
    color: #ff4d4d;
    background: rgba(255, 77, 77, 0.1);
    opacity: 1;
}

@media (max-width: 768px) {
    .history-section {
        margin-top: 0;
        padding-bottom: var(--space-8);
    }
}

/* ============================================================
   HOME PAGE SPECIFIC STYLES
   ============================================================ */

/* Hero Section */
.hero {
  padding: var(--space-6) 0 var(--space-4);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(232, 101, 42, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--font-extrabold);
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.hero-title em {
  font-style: normal;
  color: var(--color-primary);
  position: relative;
}

.hero-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.65;
  max-width: 400px;
}

/* Stats strip */
.hero-stats {
  display: flex;
  gap: var(--space-5);
  margin-top: var(--space-2);
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero-stat-value {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-extrabold);
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.hero-stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Modules Grid */
.modules-section { padding: var(--space-4) 0 var(--space-8); }

.modules-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.module-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}

.module-card:not(.module-card--soon):hover {
  border-color: rgba(232, 101, 42, 0.45);
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(232, 101, 42, 0.08), var(--shadow-md);
}

.module-card--soon { opacity: 0.55; }

.module-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.module-card-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.module-card-features li {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.module-card-features li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
}

/* SEO section */
.seo-section { padding: var(--space-4) 0 var(--space-4); }

.seo-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.seo-card:hover { transform: translateY(-3px); }

.seo-card h2 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.seo-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.seo-card strong {
  color: var(--color-text);
  font-weight: var(--font-semibold);
}

/* Responsive — defaults */
.hero-right { display: none; }
.hero-cta {
  display: flex;
  width: 100%;
  margin-top: var(--space-6);
}

/* Visual demo card for Desktop */
.hero-visual {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
}

.hero-visual::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), #F5C518);
}

.hero-visual-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.hero-visual-icon {
  font-size: 1.5rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-dim);
  border-radius: var(--radius-md);
}

.hero-visual-name {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  color: var(--color-text);
}

.hero-visual-sub {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.hero-visual-inputs {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  background: var(--color-surface-elevated);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin: var(--space-4) 0;
}

.hero-demo-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
}

.hero-demo-row span { color: var(--color-text-secondary); }
.hero-demo-row strong { color: var(--color-text); font-weight: var(--font-semibold); }

.hero-visual-divider {
  border: none;
  border-top: 1px solid var(--color-border-subtle);
  margin: 0;
}

.hero-visual-results {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.hero-demo-result {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-surface-elevated);
  font-size: var(--text-sm);
}

.hero-demo-result--highlight {
  background: var(--color-primary-dim);
  border: 1px solid rgba(232, 101, 42, 0.3);
}

.hero-demo-result div { display: flex; flex-direction: column; gap: 1px; }
.hero-demo-result small { font-size: var(--text-xs); color: var(--color-text-muted); }
.hero-demo-result strong { color: var(--color-text); font-weight: var(--font-bold); }
.hero-demo-result--highlight strong { color: var(--color-primary); }

.module-icon {
  font-size: 1.75rem;
  width: 54px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
}

.module-card-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-text);
  line-height: 1.25;
}

.module-card-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* Tablet (768px+) Improvements */
@media (min-width: 768px) {
  .modules-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }
  
  .hero-content {
    padding: var(--space-8) 0;
  }
  
  .hero-title {
    font-size: var(--text-4xl);
  }
}

/* Desktop (1024px+) Improvements */
@media (min-width: 1024px) {
  .hero-content {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-12);
  }

  .hero-left {
    flex: 1;
    max-width: 520px;
  }

  .hero-right {
    display: block !important;
    flex: 0 0 380px;
  }

  .modules-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .hero-title {
    font-size: 3.25rem;
  }
}
/* ============================================================
   HUB & SUBPAGES COMMON STYLES
   ============================================================ */

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.btn-back {
  text-decoration: none;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  transition: color var(--transition-base);
}

.btn-back:hover {
  color: var(--color-primary);
}

/* Hub Grid */
.hub-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: var(--space-6);
  padding-bottom: var(--space-10);
}

.hub-card { 
  display: flex; 
  align-items: stretch; 
  background: var(--color-surface); 
  border: 1px solid var(--color-border-subtle); 
  border-radius: var(--radius-xl); 
  overflow: hidden; 
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); 
  text-decoration: none; 
  color: inherit; 
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.hub-card:hover { 
  border-color: var(--color-primary); 
  transform: translateY(-5px) scale(1.02); 
  box-shadow: 0 20px 40px rgba(0,0,0,0.3); 
  background: var(--color-surface-elevated);
}

.hub-icon-container { 
  width: 80px; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  background: var(--color-surface-elevated); 
  font-size: 2.5rem; 
  border-right: 1px solid var(--color-border-subtle); 
  transition: background 0.3s ease;
}

.hub-card:hover .hub-icon-container { 
  background: var(--color-primary-dim); 
}

.hub-content { 
  padding: var(--space-5); 
  flex: 1; 
}

.hub-title { 
  font-family: var(--font-heading); 
  font-size: var(--text-lg); 
  font-weight: var(--font-bold); 
  color: var(--color-text); 
  margin-bottom: var(--space-1); 
}

.hub-desc { 
  font-size: var(--text-sm); 
  color: var(--color-text-secondary); 
  line-height: 1.5; 
}

@media (min-width: 768px) {
  .hub-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .hub-grid {
    grid-template-columns: repeat(3, 1fr); 
    gap: var(--space-6);
  }
}