/* =====================================================
   ZENTI · Kinetic Monolith System
   Legal pages stylesheet
   v1.0 · 2026-04-24
   ===================================================== */

:root {
  /* Brand tokens — oficial */
  --surface-base: #131313;
  --high-energy: #F26C22;
  --atmosphere: #2A2A2A;
  --interface-glow: #FFB695;
  --glass-elevate: #353534;

  /* Derivados */
  --ink-primary: #F5F2EE;
  --ink-secondary: #A8A29C;
  --ink-muted: #6B6560;
  --hairline: #2A2A2A;
  --hairline-strong: #353534;

  /* Tipografía */
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Escala tipográfica */
  --step--1: clamp(0.78rem, 0.76rem + 0.10vw, 0.83rem);
  --step-0:  clamp(0.94rem, 0.90rem + 0.20vw, 1.06rem);
  --step-1:  clamp(1.13rem, 1.07rem + 0.30vw, 1.33rem);
  --step-2:  clamp(1.35rem, 1.25rem + 0.50vw, 1.66rem);
  --step-3:  clamp(1.62rem, 1.47rem + 0.76vw, 2.08rem);
  --step-4:  clamp(1.94rem, 1.71rem + 1.15vw, 2.60rem);
  --step-5:  clamp(2.33rem, 1.99rem + 1.71vw, 3.25rem);
  --step-6:  clamp(2.80rem, 2.30rem + 2.48vw, 4.06rem);

  /* Grilla 4/8 */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;

  /* Radii */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 12px;

  /* Layout */
  --max-w: 760px;
}

/* Reset quirúrgico */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.7;
  color: var(--ink-primary);
  background: var(--surface-base);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Textura sutil de ruido (performance-safe: SVG inline) */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' /%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ===== Layout ===== */
.zenti-legal {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--space-8) var(--space-5) var(--space-10);
  position: relative;
  z-index: 1;
}

/* ===== Hero / cabecera ===== */
.zenti-legal__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-7);
  text-decoration: none;
}

.zenti-legal__logo {
  width: 36px;
  height: 36px;
  background: var(--high-energy);
  color: var(--surface-base);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  border-radius: var(--r-sm);
}

.zenti-legal__brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step-1);
  color: var(--ink-primary);
  letter-spacing: -0.01em;
}

.zenti-legal__eyebrow {
  font-family: var(--font-display);
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: var(--space-4);
}

.zenti-legal__title {
  font-family: var(--font-display);
  font-size: var(--step-6);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--ink-primary);
  margin: 0 0 var(--space-4);
}

.zenti-legal__subtitle {
  font-size: var(--step-2);
  font-weight: 400;
  color: var(--ink-secondary);
  line-height: 1.4;
  max-width: 56ch;
  margin: 0 0 var(--space-5);
}

.zenti-legal__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  align-items: center;
  font-size: var(--step--1);
  font-family: var(--font-display);
  color: var(--ink-muted);
  padding-top: var(--space-4);
  border-top: 1px solid var(--hairline);
  margin-bottom: var(--space-8);
}

.zenti-legal__meta-version {
  color: var(--high-energy);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.zenti-legal__meta-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 4px 10px;
  background: rgba(242, 108, 34, 0.1);
  border: 1px solid rgba(242, 108, 34, 0.3);
  border-radius: 999px;
  color: var(--high-energy);
  font-weight: 600;
  letter-spacing: 0.05em;
  font-size: 0.72rem;
  text-transform: uppercase;
}

.zenti-legal__meta-status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--high-energy);
  box-shadow: 0 0 8px var(--high-energy);
}

/* ===== TOC (opcional, sticky en desktop) ===== */
.zenti-legal__toc {
  background: var(--atmosphere);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-md);
  padding: var(--space-5);
  margin-bottom: var(--space-8);
}

.zenti-legal__toc-title {
  font-family: var(--font-display);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 var(--space-3);
}

.zenti-legal__toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: toc;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2) var(--space-5);
}

@media (max-width: 640px) {
  .zenti-legal__toc ol { grid-template-columns: 1fr; }
}

.zenti-legal__toc li { counter-increment: toc; }

.zenti-legal__toc a {
  display: grid;
  grid-template-columns: 2.2ch 1fr;
  gap: var(--space-3);
  align-items: baseline;
  padding: 6px 0;
  color: var(--ink-secondary);
  text-decoration: none;
  font-size: var(--step-0);
  transition: color 0.2s;
}

.zenti-legal__toc a::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  font-size: 0.78rem;
  color: var(--ink-muted);
  letter-spacing: 0.05em;
}

.zenti-legal__toc a:hover { color: var(--high-energy); }
.zenti-legal__toc a:hover::before { color: var(--high-energy); }

/* ===== Secciones ===== */
.zenti-legal section {
  margin-top: var(--space-9);
  scroll-margin-top: var(--space-5);
}
.zenti-legal section:first-of-type { margin-top: 0; }

.zenti-legal h2 {
  font-family: var(--font-display);
  font-size: var(--step-4);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink-primary);
  margin: 0 0 var(--space-5);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  align-items: baseline;
}

.zenti-legal h2 .num {
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  font-size: var(--step-0);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--high-energy);
  padding-top: 0.8em;
  border-top: 2px solid var(--high-energy);
  min-width: 3ch;
}

.zenti-legal h3 {
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink-primary);
  margin: var(--space-6) 0 var(--space-3);
}

.zenti-legal p {
  margin: 0 0 var(--space-4);
  color: var(--ink-primary);
}

.zenti-legal p.lead {
  font-size: var(--step-1);
  color: var(--ink-secondary);
  max-width: 62ch;
}

.zenti-legal strong { color: var(--ink-primary); font-weight: 600; }

.zenti-legal a {
  color: var(--high-energy);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 108, 34, 0.4);
  transition: border-color 0.2s;
}
.zenti-legal a:hover { border-bottom-color: var(--high-energy); }

/* ===== Listas ===== */
.zenti-legal ul {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-5);
}

.zenti-legal ul li {
  position: relative;
  padding-left: var(--space-5);
  margin-bottom: var(--space-3);
  color: var(--ink-primary);
}

.zenti-legal ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 10px;
  height: 1px;
  background: var(--high-energy);
}

/* ===== Callout ===== */
.zenti-callout {
  background: var(--atmosphere);
  border-left: 3px solid var(--high-energy);
  padding: var(--space-5);
  margin: var(--space-5) 0;
  border-radius: 0 var(--r-md) var(--r-md) 0;
}

.zenti-callout--warn {
  background: linear-gradient(90deg, rgba(242, 108, 34, 0.08), var(--atmosphere) 40%);
}

.zenti-callout__label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--high-energy);
  margin-bottom: var(--space-2);
  display: block;
}

.zenti-callout p { margin: 0; color: var(--ink-primary); }
.zenti-callout p + p { margin-top: var(--space-3); }

/* ===== Tablas ===== */
.zenti-table-wrap {
  margin: var(--space-5) 0;
  overflow-x: auto;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-md);
  background: var(--atmosphere);
}

.zenti-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--step-0);
}

.zenti-table thead th {
  background: var(--glass-elevate);
  color: var(--ink-primary);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border-bottom: 2px solid var(--high-energy);
}

.zenti-table tbody td {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--hairline-strong);
  color: var(--ink-primary);
  vertical-align: top;
}

.zenti-table tbody tr:first-child td { border-top: none; }

/* ===== Footer ===== */
.zenti-legal__footer {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--hairline);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-6);
  justify-content: space-between;
  align-items: center;
  font-size: var(--step--1);
  color: var(--ink-muted);
  font-family: var(--font-display);
}

.zenti-legal__footer nav { display: flex; gap: var(--space-5); flex-wrap: wrap; }
.zenti-legal__footer nav a {
  color: var(--ink-muted);
  border-bottom: none;
  transition: color 0.2s;
}
.zenti-legal__footer nav a:hover { color: var(--high-energy); }

/* ===== Form consent (deliverable 3) ===== */
.zenti-consent {
  background: var(--atmosphere);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-md);
  padding: var(--space-5);
  margin: var(--space-6) 0;
}

.zenti-consent__disclaimer {
  color: var(--ink-secondary);
  font-size: var(--step--1);
  line-height: 1.6;
  margin: 0 0 var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--hairline-strong);
}

.zenti-consent__check {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  align-items: start;
  padding: var(--space-3) 0;
  cursor: pointer;
  color: var(--ink-primary);
}

.zenti-consent__check + .zenti-consent__check {
  border-top: 1px solid var(--hairline-strong);
}

.zenti-consent__check input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border: 1.5px solid var(--ink-muted);
  border-radius: var(--r-sm);
  background: var(--surface-base);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  margin-top: 2px;
  transition: all 0.15s;
}

.zenti-consent__check input[type="checkbox"]:hover {
  border-color: var(--high-energy);
}

.zenti-consent__check input[type="checkbox"]:checked {
  background: var(--high-energy);
  border-color: var(--high-energy);
}

.zenti-consent__check input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid var(--surface-base);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.zenti-consent__check span {
  font-size: var(--step-0);
  line-height: 1.5;
}

.zenti-consent__check--required span::after {
  content: ' *';
  color: var(--high-energy);
  font-weight: 700;
}

.zenti-consent__age {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--hairline-strong);
  font-size: 0.78rem;
  color: var(--ink-muted);
  line-height: 1.5;
}

.zenti-submit {
  margin-top: var(--space-5);
  width: 100%;
  padding: var(--space-4) var(--space-5);
  background: var(--high-energy);
  color: var(--surface-base);
  border: none;
  border-radius: var(--r-md);
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: -0.01em;
}
.zenti-submit:hover:not(:disabled) {
  background: #FF7F3D;
  transform: translateY(-1px);
}
.zenti-submit:active:not(:disabled) { transform: translateY(0); }
.zenti-submit:disabled {
  background: var(--glass-elevate);
  color: var(--ink-muted);
  cursor: not-allowed;
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
  .zenti-legal { padding: var(--space-6) var(--space-4) var(--space-8); }
  .zenti-legal h2 {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
  .zenti-legal h2 .num { padding-top: 0; border-top: none; }
  .zenti-legal__footer { flex-direction: column; align-items: flex-start; }
}

/* ===== Animaciones de entrada ===== */
@media (prefers-reduced-motion: no-preference) {
  .zenti-legal section {
    opacity: 0;
    transform: translateY(12px);
    animation: zenti-in 0.6s ease-out forwards;
  }
  .zenti-legal section:nth-child(1) { animation-delay: 0.05s; }
  .zenti-legal section:nth-child(2) { animation-delay: 0.10s; }
  .zenti-legal section:nth-child(3) { animation-delay: 0.15s; }
  .zenti-legal section:nth-child(n+4) { animation-delay: 0.20s; }

  @keyframes zenti-in {
    to { opacity: 1; transform: translateY(0); }
  }
}

/* Print: forzar light para impresión */
@media print {
  body { background: white; color: #131313; }
  body::before { display: none; }
  .zenti-legal { max-width: 100%; padding: 0; }
  .zenti-legal h2, .zenti-legal h3, .zenti-legal p, .zenti-legal strong { color: #131313; }
  .zenti-legal a { color: #F26C22; border-bottom: none; }
  .zenti-callout, .zenti-table-wrap { background: #FAFAF8; border-color: #E5DFD8; }
  .zenti-table thead th { background: #FAFAF8; color: #131313; }
  .zenti-legal section { opacity: 1; transform: none; animation: none; }
}