/* Hallmark · macrostructure: Product Walkthrough · tone: sobrio premium industrial · anchor hue: ambar 60
 * theme: custom (paper oklch(97.5% 0.005 85) · accent oklch(62% 0.14 60) · system-ui por requisito self-contained)
 * pre-emit critique: P4 H5 E4 S4 R5 V4
 */

:root {
  --color-paper: oklch(97.5% 0.005 85);
  --color-paper-2: oklch(94.5% 0.008 85);
  --color-ink: oklch(24% 0.015 260);
  --color-ink-soft: oklch(42% 0.015 260);
  --color-dark: oklch(20% 0.02 262);
  --color-dark-2: oklch(26% 0.02 262);
  --color-on-dark: oklch(96% 0.005 85);
  --color-on-dark-soft: oklch(78% 0.01 85);
  --color-accent: oklch(62% 0.14 60);
  --color-accent-deep: oklch(54% 0.13 55);
  --color-accent-ink: oklch(28% 0.06 60);
  --color-line: oklch(88% 0.008 85);
  --color-line-dark: oklch(34% 0.02 262);
  --color-focus: oklch(55% 0.16 250);

  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --text-body: 1.0625rem;
  --text-sm: 0.875rem;
  --text-lg: 1.25rem;
  --text-h3: clamp(1.25rem, 1.1rem + 0.7vw, 1.5rem);
  --text-h2: clamp(1.75rem, 1.4rem + 1.6vw, 2.5rem);
  --text-display: clamp(2.25rem, 1.5rem + 3.6vw, 4rem);

  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3.5rem;
  --space-2xl: 6rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --measure: 62ch;
  --wrap: 72.5rem;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 140ms;
}

html, body { overflow-x: clip; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-paper);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-style: normal;
  line-height: 1.12;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
  min-width: 0;
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; }

.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: clamp(1.125rem, 4vw, 2.5rem);
}

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in oklch, var(--color-dark) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line-dark);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  min-height: 4rem;
}

.brand {
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
  color: var(--color-on-dark);
  text-decoration: none;
  white-space: nowrap;
}

.brand b { color: var(--color-accent); font-weight: 700; }

.nav-links {
  display: flex;
  gap: var(--space-md);
  margin-left: auto;
  list-style: none;
}

.nav-links a {
  color: var(--color-on-dark-soft);
  text-decoration: none;
  font-size: var(--text-sm);
  white-space: nowrap;
  padding: var(--space-xs) 0;
  border-bottom: 2px solid transparent;
  transition: color var(--dur-fast) var(--ease-out);
}

.nav-links a:hover { color: var(--color-on-dark); }

.nav-cta { flex-shrink: 0; }

/* ---------- Botones ---------- */

.btn {
  display: inline-block;
  font-weight: 600;
  font-size: var(--text-sm);
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
  padding: 0.8rem 1.4rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--color-accent);
  color: oklch(15% 0.02 60);
}

.btn-primary:hover { background: var(--color-accent-deep); color: var(--color-on-dark); }

.btn-ghost-dark {
  border-color: var(--color-line-dark);
  color: var(--color-on-dark);
}

.btn-ghost-dark:hover { background: var(--color-dark-2); }

.btn-ghost-light {
  border-color: var(--color-ink);
  color: var(--color-ink);
}

.btn-ghost-light:hover { background: var(--color-paper-2); }

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

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(180deg, var(--color-dark) 0%, var(--color-dark) 78%, var(--color-paper) 78%);
  color: var(--color-on-dark);
}

.hero-inner {
  padding-top: var(--space-2xl);
  display: grid;
  gap: var(--space-lg);
}

.hero h1 {
  font-size: var(--text-display);
  font-weight: 700;
  max-width: 22ch;
}

.hero h1 em {
  font-style: normal;
  color: var(--color-accent);
}

.hero-sub {
  color: var(--color-on-dark-soft);
  font-size: var(--text-lg);
  max-width: 52ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}

.hero-note {
  font-size: var(--text-sm);
  color: var(--color-on-dark-soft);
}

.hero-shot {
  margin-top: var(--space-lg);
  border: 1px solid var(--color-line-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 60px oklch(15% 0.02 262 / 0.35);
}

/* ---------- Secciones ---------- */

.section { padding-block: var(--space-2xl); }

.section-alt { background: var(--color-paper-2); }

.section-head {
  max-width: var(--measure);
  margin-bottom: var(--space-xl);
}

.section-head h2 { font-size: var(--text-h2); font-weight: 700; }

.section-head p {
  margin-top: var(--space-sm);
  color: var(--color-ink-soft);
}

/* ---------- Como funciona ---------- */

.step {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: var(--space-xl);
  align-items: center;
  padding-block: var(--space-xl);
  border-top: 1px solid var(--color-line);
}

.step:nth-of-type(even) .step-media { order: -1; }

.step-n {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-accent-deep);
  font-variant-numeric: tabular-nums;
}

.step h3 { font-size: var(--text-h3); font-weight: 700; margin-top: var(--space-xs); }

.step p { margin-top: var(--space-sm); color: var(--color-ink-soft); max-width: 46ch; }

.step ul {
  margin-top: var(--space-md);
  list-style: none;
  display: grid;
  gap: var(--space-xs);
}

.step ul li {
  padding-left: 1.25rem;
  position: relative;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.step ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.5rem;
  height: 2px;
  background: var(--color-accent);
}

.step-media img {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 32px oklch(30% 0.02 262 / 0.12);
}

/* ---------- Funcionalidades ---------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(15rem, 100%), 1fr));
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.feature {
  background: var(--color-paper);
  padding: var(--space-lg);
}

.feature h3 { font-size: var(--text-h3); font-weight: 700; }

.feature .feature-tag {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent-deep);
  margin-bottom: var(--space-xs);
}

.feature ul {
  margin-top: var(--space-md);
  list-style: none;
  display: grid;
  gap: var(--space-xs);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.feature ul li { padding-left: 1.25rem; position: relative; }

.feature ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.5rem;
  height: 2px;
  background: var(--color-accent);
}

/* ---------- Talleres ---------- */

.talleres {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-xl);
  align-items: center;
}

.talleres-copy h2 { font-size: var(--text-h2); font-weight: 700; }

.talleres-copy p { margin-top: var(--space-md); color: var(--color-ink-soft); max-width: var(--measure); }

.talleres-copy .btn { margin-top: var(--space-lg); }

/* ---------- Comparativa ---------- */

.compare {
  background: var(--color-dark);
  color: var(--color-on-dark);
}

.compare .section-head p { color: var(--color-on-dark-soft); }

.compare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(16rem, 100%), 1fr));
  gap: var(--space-lg);
}

.compare-item {
  border-top: 2px solid var(--color-accent);
  padding-top: var(--space-md);
}

.compare-item h3 { font-size: var(--text-h3); font-weight: 700; }

.compare-item p {
  margin-top: var(--space-xs);
  font-size: var(--text-sm);
  color: var(--color-on-dark-soft);
}

/* ---------- FAQ ---------- */

.faq-list {
  max-width: 46rem;
  display: grid;
}

.faq-list details {
  border-top: 1px solid var(--color-line);
  padding-block: var(--space-md);
}

.faq-list details:last-child { border-bottom: 1px solid var(--color-line); }

.faq-list summary {
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  align-items: baseline;
}

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

.faq-list summary::after {
  content: "+";
  font-weight: 400;
  color: var(--color-accent-deep);
  flex-shrink: 0;
}

.faq-list details[open] summary::after { content: "\2212"; }

.faq-list details p {
  margin-top: var(--space-sm);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

/* ---------- CTA final ---------- */

.cta-final { text-align: center; }

.cta-final h2 { font-size: var(--text-h2); font-weight: 700; }

.cta-final p {
  margin-top: var(--space-sm);
  color: var(--color-ink-soft);
  max-width: 46ch;
  margin-inline: auto;
}

.cta-final .hero-actions { justify-content: center; margin-top: var(--space-lg); }

/* ---------- Footer ---------- */

.footer {
  background: var(--color-dark);
  color: var(--color-on-dark-soft);
  padding-block: var(--space-xl);
  font-size: var(--text-sm);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  justify-content: space-between;
  align-items: baseline;
}

.footer a { color: var(--color-on-dark); text-decoration: none; }

.footer a:hover { text-decoration: underline; }

.footer-links { display: flex; flex-wrap: wrap; gap: var(--space-md); list-style: none; }

/* ---------- Responsive ---------- */

@media (max-width: 48rem) {
  .nav-links { display: none; }
  .step { grid-template-columns: minmax(0, 1fr); gap: var(--space-lg); }
  .step:nth-of-type(even) .step-media { order: 0; }
  .talleres { grid-template-columns: minmax(0, 1fr); }
  .hero-inner { padding-top: var(--space-xl); }
  .section { padding-block: var(--space-xl); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 1ms !important; }
}