/**
 * brand.css — Unified design system for T&C Global
 * Tokens, hero, cards, buttons, animations.
 * Loaded first by every public-facing view.
 */

/* === Design tokens === */
:root {
  /* Spacing (8pt grid) */
  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px;
  --space-5: 20px; --space-6: 24px; --space-8: 32px; --space-10: 40px;
  --space-12: 48px; --space-16: 64px; --space-20: 80px;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --text-xs: 12px; --text-sm: 14px; --text-base: 16px; --text-lg: 20px;
  --text-xl: 24px; --text-2xl: 32px; --text-3xl: 40px; --text-4xl: 56px;

  /* Radius */
  --radius-sm: 6px; --radius-md: 10px; --radius-lg: 14px; --radius-xl: 20px;
  --radius-full: 999px;

  /* Brand colors */
  --color-brand: #2563eb;
  --color-brand-dark: #1d4ed8;
  --color-brand-light: #dbeafe;
  --color-brand-soft: #eff6ff;
  --color-accent: #0f172a;

  /* Surfaces */
  --color-bg: #f8fafc;
  --color-bg-soft: #f1f5f9;
  --color-surface: #ffffff;
  --color-surface-elevated: #ffffff;

  /* Text */
  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-text-muted: #94a3b8;
  --color-text-inverse: #ffffff;

  /* Borders */
  --color-border: #e2e8f0;
  --color-border-strong: #cbd5e1;

  /* Semantic */
  --color-danger: #dc2626;
  --color-danger-bg: #fef2f2;
  --color-danger-border: #fecaca;
  --color-success: #16a34a;
  --color-success-bg: #f0fdf4;
  --color-warning: #d97706;

  /* Per-vertical */
  --color-inmobiliaria: #b07a2b;
  --color-finanzas: #2c7a7b;
  --color-estudiojuridico: #6b46c1;
  --color-mineria: #b45309;
  --color-publicidad: #db2777;
  --color-clinica: #dc2626;

  /* Shadows — refined, low-spread */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08), 0 2px 4px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.10), 0 4px 8px rgba(15, 23, 42, 0.05);
  --shadow-xl: 0 24px 48px rgba(15, 23, 42, 0.12);

  /* Transitions */
  --t-fast: 120ms ease;
  --t-base: 200ms ease;
  --t-slow: 320ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* === Reset & base === */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.55;
  color: var(--color-text-primary);
  background: var(--color-bg);
}
:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* === Brand logo (the "bloque inicial") === */
.brand-logo {
  display: inline-block;
  text-align: center;
}
.brand-logo__mark {
  font-family: var(--font-sans);
  font-size: var(--text-4xl);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--color-text-primary);
  line-height: 1;
  margin: 0;
}
.brand-logo__mark .accent { color: var(--color-brand); }
.brand-logo__legal {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
}
.brand-logo__word {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-top: var(--space-3);
}

/* === Hero block === */
.brand-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-16) var(--space-6) var(--space-10);
  animation: brand-fade-in 600ms ease both;
}
.brand-hero__tagline {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin: var(--space-6) 0 0;
  max-width: 480px;
}

/* === Cards (vertical cards + login card) === */
.brand-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-6);
  transition: box-shadow var(--t-base), transform var(--t-base), border-color var(--t-base);
}
.brand-card--elevated {
  box-shadow: var(--shadow-md);
}

/* === Vertical selector card (specific to selector) === */
.vertical-card {
  --vc: var(--color-brand);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-6) var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--vc);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  cursor: pointer;
  transition: box-shadow var(--t-base), transform var(--t-base), border-color var(--t-base);
  width: 100%;
  text-align: left;
  font-family: inherit;
  font-size: var(--text-base);
  color: var(--color-text-primary);
  text-decoration: none;
}
.vertical-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--vc);
  border-left-width: 6px;
}
.vertical-card__icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--vc) 12%, transparent);
  color: var(--vc);
  display: flex; align-items: center; justify-content: center;
  font-size: var(--text-xl);
  flex-shrink: 0;
}
.vertical-card__name {
  font-size: var(--text-lg);
  font-weight: 600;
  flex: 1;
}
.vertical-card__arrow {
  color: var(--color-text-muted);
  transition: transform var(--t-base), color var(--t-base);
  font-size: var(--text-lg);
}
.vertical-card:hover .vertical-card__arrow {
  transform: translateX(4px);
  color: var(--vc);
}

/* === Buttons === */
.brand-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: inherit;
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast), transform var(--t-fast);
  text-decoration: none;
}
.brand-btn--primary {
  background: var(--color-brand);
  color: var(--color-text-inverse);
}
.brand-btn--primary:hover { background: var(--color-brand-dark); }
.brand-btn--primary:active { transform: translateY(1px); }
.brand-btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
}
.brand-btn--ghost:hover { color: var(--color-text-primary); background: var(--color-bg-soft); }

/* === Form fields (used in login) === */
.brand-field {
  display: flex; flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.brand-field__label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-primary);
}
.brand-field__input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: inherit;
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.brand-field__input:focus {
  outline: none;
  border-color: var(--color-brand);
  box-shadow: 0 0 0 3px var(--color-brand-light);
}

/* === Alert === */
.brand-alert {
  background: var(--color-danger-bg);
  border: 1px solid var(--color-danger-border);
  color: var(--color-danger);
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-5);
}

/* === Vertical badge (login page) === */
.vertical-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #ffffff;
}

/* === Animations === */
@keyframes brand-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes brand-stagger {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.brand-stagger > * {
  animation: brand-stagger 500ms ease both;
}
.brand-stagger > *:nth-child(1) { animation-delay: 0ms; }
.brand-stagger > *:nth-child(2) { animation-delay: 60ms; }
.brand-stagger > *:nth-child(3) { animation-delay: 120ms; }
.brand-stagger > *:nth-child(4) { animation-delay: 180ms; }
.brand-stagger > *:nth-child(5) { animation-delay: 240ms; }
.brand-stagger > *:nth-child(6) { animation-delay: 300ms; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}