/* ============================================================
   VENDAZ — DESIGN TOKENS
   Adaptados del Design System de Solio (Cerebro Dashboard),
   mismo lenguaje visual: neutros fríos + acento cobalto + Geist.
   Light mode = :root, Dark mode = .dark (via prefers-color-scheme)
   ============================================================ */

:root {
  --vd-accent: #2563EB;
  --vd-accent-hover: #1D4ED8;
  --vd-accent-subtle: #EFF4FE;
  --vd-on-accent: #FFFFFF;

  --vd-bg: #FCFCFD;
  --vd-elevated: #FFFFFF;
  --vd-subtle: #F4F4F6;
  --vd-border: #E7E7EB;
  --vd-border-strong: #D3D3D9;
  --vd-text-tertiary: #9B9BA4;
  --vd-text-secondary: #6B6B75;
  --vd-text-primary: #26262B;
  --vd-text-bold: #131316;

  --vd-success: #16A34A;

  --vd-shadow-card: 0 1px 3px rgba(24,24,27,.06), 0 1px 2px rgba(24,24,27,.04);
  --vd-shadow-elevated: 0 4px 16px rgba(24,24,27,.08), 0 2px 4px rgba(24,24,27,.04);
  --vd-shadow-modal: 0 24px 64px rgba(24,24,27,.16), 0 8px 16px rgba(24,24,27,.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --vd-accent: #3B82F6;
    --vd-accent-hover: #2563EB;
    --vd-accent-subtle: #18233A;
    --vd-on-accent: #FFFFFF;

    --vd-bg: #18181B;
    --vd-elevated: #1F1F23;
    --vd-subtle: #27272B;
    --vd-border: #313137;
    --vd-border-strong: #45454D;
    --vd-text-tertiary: #6B6B75;
    --vd-text-secondary: #A0A0AA;
    --vd-text-primary: #E6E6EA;
    --vd-text-bold: #FAFAFA;

    --vd-success: #22C55E;
  }
}

* { box-sizing: border-box; }

html {
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--vd-bg);
  color: var(--vd-text-primary);
  line-height: 1.5;
}

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

a { color: inherit; }

*:focus-visible {
  outline: 2px solid var(--vd-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

.container-narrow {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--vd-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--vd-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--vd-text-bold);
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--vd-text-bold);
  color: var(--vd-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
  flex-shrink: 0;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--vd-text-bold);
  color: var(--vd-bg);
  border: none;
  border-radius: 10px;
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: opacity .15s ease;
}
.header-cta:hover { opacity: .85; }

/* ── Hero ── */
.hero {
  padding: 88px 0 64px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--vd-accent-subtle);
  color: var(--vd-accent);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(32px, 6vw, 56px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  color: var(--vd-text-bold);
}

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

.hero p.lead {
  font-size: clamp(16px, 2.2vw, 19px);
  color: var(--vd-text-secondary);
  max-width: 620px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--vd-text-bold);
  color: var(--vd-bg);
  border: none;
  border-radius: 12px;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--vd-shadow-elevated);
  transition: transform .15s ease, opacity .15s ease;
}
.btn-primary:hover { opacity: .88; transform: translateY(-1px); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--vd-elevated);
  color: var(--vd-text-primary);
  border: 1px solid var(--vd-border-strong);
  border-radius: 12px;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: background .15s ease;
}
.btn-secondary:hover { background: var(--vd-subtle); }

/* ── Secciones ── */
section { padding: 64px 0; }

.section-eyebrow {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--vd-accent);
  margin: 0 0 12px;
  text-align: center;
}

.section-title {
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--vd-text-bold);
  text-align: center;
  margin: 0 0 16px;
}

.section-lead {
  font-size: 16px;
  color: var(--vd-text-secondary);
  text-align: center;
  max-width: 620px;
  margin: 0 auto 48px;
}

/* ── Grid de features ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 860px) {
  .features-grid { grid-template-columns: 1fr; }
}

.feature-card {
  background: var(--vd-elevated);
  border: 1px solid var(--vd-border);
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--vd-shadow-card);
}

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--vd-accent-subtle);
  color: var(--vd-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--vd-text-bold);
}

.feature-card p {
  font-size: 14px;
  color: var(--vd-text-secondary);
  margin: 0;
}

/* ── Quién está detrás ── */
.about-card {
  background: var(--vd-elevated);
  border: 1px solid var(--vd-border);
  border-radius: 20px;
  padding: 40px;
  box-shadow: var(--vd-shadow-card);
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

@media (max-width: 640px) {
  .about-card { flex-direction: column; }
}

.about-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--vd-text-bold);
  color: var(--vd-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 20px;
  flex-shrink: 0;
}

.about-card h3 {
  font-size: 18px;
  margin: 0 0 6px;
  color: var(--vd-text-bold);
}

.about-card p {
  font-size: 15px;
  color: var(--vd-text-secondary);
  margin: 0;
}

/* ── Contacto ── */
.contact-card {
  background: var(--vd-text-bold);
  color: var(--vd-bg);
  border-radius: 24px;
  padding: 56px 40px;
  text-align: center;
}

.contact-card h2 {
  font-size: clamp(24px, 3.5vw, 32px);
  font-weight: 800;
  margin: 0 0 12px;
}

.contact-card p {
  font-size: 16px;
  opacity: .8;
  max-width: 480px;
  margin: 0 auto 28px;
}

.contact-card .btn-primary {
  background: var(--vd-bg);
  color: var(--vd-text-bold);
  box-shadow: none;
}

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--vd-border);
  padding: 32px 0;
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 14px;
  color: var(--vd-text-secondary);
  text-decoration: none;
}
.footer-links a:hover { color: var(--vd-text-primary); }

.footer-copy {
  font-size: 13px;
  color: var(--vd-text-tertiary);
}

/* ── Páginas legales ── */
.legal-page {
  padding: 56px 0 80px;
}

.legal-page h1 {
  font-size: clamp(26px, 4vw, 34px);
  font-weight: 800;
  color: var(--vd-text-bold);
  margin: 0 0 8px;
}

.legal-updated {
  font-size: 13px;
  color: var(--vd-text-tertiary);
  margin: 0 0 40px;
}

.legal-page h2 {
  font-size: 19px;
  font-weight: 700;
  color: var(--vd-text-bold);
  margin: 36px 0 12px;
}

.legal-page p, .legal-page li {
  font-size: 15px;
  color: var(--vd-text-secondary);
  line-height: 1.7;
}

.legal-page ul, .legal-page ol {
  padding-left: 22px;
  margin: 12px 0;
}

.legal-page a {
  color: var(--vd-accent);
  text-decoration: underline;
}

.legal-notice {
  background: var(--vd-accent-subtle);
  border: 1px solid var(--vd-border);
  border-radius: 12px;
  padding: 16px 20px;
  font-size: 14px;
  color: var(--vd-text-primary);
  margin: 24px 0 0;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--vd-text-secondary);
  text-decoration: none;
  margin-bottom: 28px;
}
.back-link:hover { color: var(--vd-text-primary); }