:root {
  --ink: #121212;
  --surface: #1e1e1e;
  --surface-2: #2a2a2a;
  --line: #333333;
  --line-strong: #555555;
  --text: #e0e0e0;
  --text-dim: #999999;
  --text-mute: #888888;
  --signal: #c9302c;
  --signal-deep: #a02622;
  --signal-wash: rgba(201, 48, 44, 0.15);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
}

body {
  font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--ink);
  color: var(--text);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-weight: 700;
  color: var(--text);
}

.mono {
  font-family: 'IBM Plex Mono', monospace;
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

/* ACCESIBILIDAD */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--signal);
  color: #fff;
  padding: 10px 16px;
  z-index: 300;
  text-decoration: none;
  font-size: .85rem;
  font-weight: 600;
}

.skip-link:focus-visible {
  left: 12px;
  top: 12px;
}

/* BOTONES GLOBALES */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  font-size: .95rem;
  font-weight: 600;
  text-decoration: none;
  font-family: inherit;
  border-radius: 0;
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
  border: none;
}

.btn-primary {
  background: var(--signal);
  color: #fff;
}

.btn-primary:hover {
  background: var(--signal-deep);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--line-strong);
}

.btn-secondary:hover {
  background: var(--surface-2);
  border-color: var(--text-dim);
}

/* NAVEGACIÓN GLOBAL */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 48px;
  background: var(--ink);
  border-bottom: 1px solid var(--line);
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.12rem;
  color: var(--text);
  text-decoration: none;
}

.nav-logo img {
  width: 44px;
  height: 44px;
  object-fit: cover;
  display: block;
}

.nav-links {
  display: flex;
  gap: 30px;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: .9rem;
  font-weight: 500;
  transition: color .15s;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text);
}

.nav-cta {
  padding: 9px 18px !important;
  background: var(--signal) !important;
  color: #fff !important;
  font-weight: 600 !important;
  border: none !important;
  text-decoration: none !important;
}

.nav-cta:hover {
  background: var(--signal-deep) !important;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--text);
  padding: 8px 12px;
  font-size: .85rem;
  cursor: pointer;
  font-family: inherit;
  border-radius: 0;
}

/* FOOTER GLOBAL */
footer {
  border-top: 1px solid var(--line);
  background: var(--ink);
}

.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 60px 48px 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 50px;
}

.footer-logo {
  display: flex;
  align-items: center;
  font-weight: 700;
  color: var(--text);
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.footer-logo img {
  width: 44px;
  height: 44px;
  object-fit: cover;
  display: block;
}

.footer-desc {
  font-size: .9rem;
  color: var(--text-mute);
  line-height: 1.6;
  max-width: 260px;
}

.footer-title {
  font-size: .85rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-section a {
  font-size: .9rem;
  color: var(--text-dim);
  text-decoration: none;
  transition: color .15s;
}

.footer-section a:hover {
  color: var(--text);
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  font-size: .85rem;
  color: var(--text-mute);
}

/* MEDIA QUERIES (Nav & Footer) */
@media (max-width: 920px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .footer-inner {
    padding: 50px 32px 30px;
  }
}

@media (max-width: 768px) {
  nav {
    padding: 12px 24px;
  }
  .menu-toggle {
    display: inline-flex;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 67px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    padding: 24px;
    background: var(--ink);
    border-bottom: 1px solid var(--line);
  }
  .nav-links.is-open {
    display: flex;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-inner {
    padding: 40px 24px 24px;
  }
}

/* LAYOUT DE PAGINAS DE TEXTO / LEGAL (privacy, tos, etc.) */
.page-header {
  max-width: 900px;
  margin: 0 auto;
  padding: 64px 40px 48px;
  border-bottom: 1px solid var(--line);
}

.page-tag {
  font-size: .82rem;
  color: var(--text-dim);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.page-tag strong {
  color: var(--signal);
  font-weight: 600;
}

.page-title {
  font-size: clamp(2.1rem, 4vw, 3rem);
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: 14px;
}

.page-subtitle {
  font-size: .96rem;
  color: var(--text-dim);
  line-height: 1.7;
  max-width: 560px;
}

.content {
  max-width: 900px;
  margin: 0 auto;
  padding: 52px 40px 110px;
}

.cl {
  margin-bottom: 50px;
  padding-bottom: 50px;
  border-bottom: 1px solid var(--line);
}

.cl:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.cl-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: .8rem;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.content h2 {
  font-size: 1.4rem;
  letter-spacing: -0.4px;
  margin-bottom: 18px;
  color: var(--text);
}

.content h3 {
  font-size: 1.1rem;
  margin: 24px 0 10px;
  color: var(--text);
}

.content p {
  font-size: .96rem;
  color: var(--text-dim);
  line-height: 1.75;
  margin-bottom: 15px;
}

.content ul {
  list-style: none;
  margin: 0 0 15px;
}

.content ul li {
  font-size: .96rem;
  color: var(--text-dim);
  line-height: 1.7;
  padding: 6px 0 6px 16px;
  position: relative;
}

.content ul li::before {
  content: '-';
  position: absolute;
  left: 0;
  top: 6px;
  color: var(--text-mute);
  font-weight: 600;
}

.content strong {
  color: var(--text);
  font-weight: 600;
}

.box {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 20px 22px;
  margin: 20px 0;
}

.box p {
  margin: 0;
  font-size: .9rem;
  color: var(--text-dim);
}

.box.highlight,
.box.warn {
  background: var(--signal-wash);
  border-color: var(--signal);
}

.box.highlight p,
.box.warn p {
  color: #f5c6c2;
}

.back-link {
  display: inline-block;
  color: var(--text-dim);
  text-decoration: none;
  font-size: .9rem;
  margin-top: 36px;
}

.back-link:hover {
  text-decoration: underline;
  color: var(--text);
}

@media (max-width: 680px) {
  .page-header {
    padding: 48px 20px 36px;
  }
  .content {
    padding: 40px 20px 80px;
  }
}