/* Tipografía display autohospedada (sin llamadas a Google Fonts — privacidad) */
@font-face {
  font-family: "Fraunces";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/assets/fonts/fraunces-700.woff2") format("woff2");
}

:root {
  --bg: #0b0e14;
  --bg-elev: #121722;
  --ink: #f4f6fb;
  --muted: #9aa3b5;
  --line: #2a3344;
  --line-soft: #3a4558;
  --accent: #3b82f6;
  --accent-ink: #f8fbff;
  --ok: #3dd68c;
  --warn: #f0c674;
  --danger: #f07178;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, sans-serif;
  --display: "Fraunces", Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
}

body {
  background:
    radial-gradient(900px 480px at 50% -10%, rgba(59, 130, 246, 0.12), transparent 60%),
    var(--bg);
}

.wrap {
  width: min(820px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 3.25rem 0 4rem;
}
main a { color: var(--accent); }

h1 {
  margin: 0 0 1.25rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.65rem, 4.2vw, 2.35rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-align: center;
}

h1 .em {
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 0.18em;
  text-decoration-thickness: 0.12em;
}

.limits {
  margin: 0 0 1.25rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
}

.drop {
  border: 1.5px dashed var(--line-soft);
  background: rgba(18, 23, 34, 0.72);
  padding: 2.25rem 1.25rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease;
}

.drop:hover,
.drop.drag {
  border-color: var(--accent);
  background: rgba(59, 130, 246, 0.06);
}

.drop p {
  margin: 0 0 1rem;
  font-size: 1.05rem;
}

.drop input { display: none; }

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: 0;
  padding: 0.8rem 1.25rem;
  background: var(--accent);
  color: var(--accent-ink);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform 140ms ease, filter 140ms ease;
}

.cta:hover:not(:disabled) { transform: translateY(-1px); filter: brightness(1.05); }
.cta:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

.hint {
  display: inline-block;
  margin: 1rem 0 0;
  max-width: 36rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin: 1.75rem 0 1rem;
  text-align: center;
}

.step {
  color: var(--muted);
  font-size: 0.92rem;
}

.step strong {
  display: block;
  color: var(--ink);
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.pitch {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.65rem 1rem;
  margin: 0.5rem 0 1.5rem;
  color: var(--muted);
  text-align: center;
  line-height: 1.45;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.15);
  color: #9ec1ff;
  font-size: 0.85rem;
  font-weight: 600;
}

.msg {
  margin: 1rem 0 0;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  background: var(--bg-elev);
}

.msg.err { border-color: #5a3038; color: var(--danger); }
.msg.ok { border-color: #2a4a3a; color: var(--ok); }

.file-card {
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  text-align: left;
}

.file-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.file-card .meta {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.tags {
  max-height: 220px;
  overflow: auto;
  margin: 0;
  padding: 0.75rem;
  background: #0a0d13;
  border: 1px solid var(--line);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  line-height: 1.4;
  white-space: pre-wrap;
  word-break: break-word;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.9rem;
}

.center-bar { justify-content: center; margin-top: 1.25rem; }

.btn-ghost {
  border: 1px solid var(--line-soft);
  background: transparent;
  color: var(--ink);
  padding: 0.55rem 0.9rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.btn-ghost:hover { border-color: var(--accent); color: #cfe0ff; }

.footer {
  margin-top: 2.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
  text-align: center;
}

.footer .row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem 1.25rem;
  margin-top: 0.75rem;
}

.faq {
  margin-top: 2.5rem;
  padding-top: 0.5rem;
}

.faq h2 {
  margin: 0 0 0.75rem;
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 600;
}

.faq p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

/* Badges de estado por archivo */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.12rem 0.55rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  vertical-align: middle;
}
.badge.ai { background: rgba(240, 198, 116, 0.16); color: var(--warn); }
.badge.clean { background: rgba(61, 214, 140, 0.15); color: var(--ok); }
.badge.residual { background: rgba(240, 113, 120, 0.15); color: var(--danger); }

.file-card.is-clean { border-color: #2a4a3a; }

/* Acento de foco accesible */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Spinner del botón mientras procesa */
.cta.busy { position: relative; color: transparent; }
.cta.busy::after {
  content: "";
  position: absolute;
  width: 1.05em; height: 1.05em;
  border: 2px solid var(--accent-ink);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Aviso sin JavaScript */
.nojs {
  margin: 1rem 0 0;
  padding: 0.85rem 1rem;
  border: 1px solid #5a3038;
  color: var(--danger);
  text-align: center;
}

@media (prefers-reduced-motion: reduce) {
  .cta.busy::after { animation: none; }
  .cta:hover:not(:disabled) { transform: none; }
}

/* ===== Nav ===== */
.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.25rem;
  padding: 0.85rem clamp(1rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--line);
  background: rgba(11, 14, 20, 0.85);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-nav .brand {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
  text-decoration: none;
  margin-right: auto;
}
.site-nav .brand span { color: var(--accent); }
.site-menu { display: flex; flex-wrap: wrap; align-items: center; gap: 0.25rem 1rem; order: 1; }
.site-menu a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
}
.site-menu a:hover { color: var(--ink); }

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.nav-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 1.05rem;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.22s ease, top 0.22s ease, background-color 0.22s ease;
}
.nav-toggle-bars { position: relative; }
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
}
.nav-toggle-bars::before { top: -6px; }
.nav-toggle-bars::after { top: 6px; }
.site-nav.is-open .nav-toggle-bars { background: transparent; }
.site-nav.is-open .nav-toggle-bars::before { top: 0; transform: rotate(45deg); }
.site-nav.is-open .nav-toggle-bars::after { top: 0; transform: rotate(-45deg); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.lang-switch {
  position: relative;
  order: 2;
  margin-left: 0.35rem;
  padding-left: 1.1rem;
  border-left: 1px solid var(--line-soft);
}
.lang-current {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  padding: 0.38rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg-elev);
  color: var(--ink);
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
}
.lang-current:hover { border-color: var(--line-soft); }
.lang-current:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.lang-caret {
  width: 0.7rem;
  height: 0.48rem;
  color: var(--muted);
}
.lang-switch.is-open .lang-caret { transform: rotate(180deg); }
.lang-list {
  position: absolute;
  top: calc(100% + 0.4rem);
  right: 0;
  z-index: 20;
  min-width: 100%;
  margin: 0;
  padding: 0.3rem;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.4);
}
.lang-list[hidden] { display: none; }
.lang-list a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.65rem;
  border-radius: 6px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  white-space: nowrap;
}
.lang-list a:hover { background: rgba(255, 255, 255, 0.04); color: var(--ink); }
.lang-list a[aria-selected="true"] {
  background: rgba(59, 130, 246, 0.16);
  color: var(--ink);
}
.flag {
  display: block;
  width: 1.15rem;
  height: 0.78rem;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.16);
  flex: 0 0 auto;
}

/* ===== Textos ===== */
.lead {
  margin: 0 auto 1.5rem;
  max-width: 44rem;
  text-align: center;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.5;
}
.lead p { margin: 0 0 0.6rem; }

.prose { margin: 2rem 0; line-height: 1.65; }
.prose h2 { font-family: var(--display); font-size: 1.35rem; margin: 2rem 0 0.6rem; }
.prose h3 { font-size: 1.1rem; margin: 1.4rem 0 0.4rem; }
.prose p, .prose li { color: #d7dce8; }
.prose ul { padding-left: 1.2rem; }
.prose li { margin: 0.25rem 0; }
.prose a { color: var(--accent); }
.prose code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85em;
  background: #0a0d13;
  padding: 0.1em 0.35em;
  border-radius: 4px;
}
.prose .meta { color: var(--muted); font-size: 0.9rem; }

/* ===== Rejilla de índices ===== */
.idx-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr));
  gap: 0.85rem;
  margin: 1.5rem 0;
}
.idx-card {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  text-decoration: none;
  transition: border-color 140ms ease, transform 140ms ease;
}
.idx-card:hover { border-color: var(--accent); transform: translateY(-1px); }
.idx-card strong { color: var(--ink); font-size: 1.05rem; }
.idx-card span { color: var(--muted); font-size: 0.88rem; line-height: 1.4; }

/* ===== FAQ (details) ===== */
.faq details.qa {
  border: 1px solid var(--line);
  background: var(--bg-elev);
  margin: 0.5rem 0;
  padding: 0.25rem 0.9rem;
}
.faq details.qa summary {
  cursor: pointer;
  font-weight: 600;
  padding: 0.6rem 0;
  list-style: none;
}
.faq details.qa summary::-webkit-details-marker { display: none; }
.faq details.qa summary::before { content: "＋ "; color: var(--accent); }
.faq details.qa[open] summary::before { content: "－ "; }
.faq details.qa > div { color: var(--muted); line-height: 1.55; padding-bottom: 0.6rem; }
.faq details.qa a { color: var(--accent); }

/* ===== Glosario ===== */
.glossary { margin: 1.5rem 0; }
.gterm {
  border-top: 1px solid var(--line);
  padding: 1rem 0;
}
.gterm h2 { font-family: var(--display); font-size: 1.15rem; margin: 0 0 0.35rem; }
.gterm p { color: var(--muted); margin: 0; line-height: 1.55; }

/* ===== Inyección EXIF ===== */
.inject {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--muted);
  font-size: 0.9rem;
  margin-right: 0.5rem;
}

/* pitch como enlaces */
.pitch a.pill { text-decoration: none; }
.pitch a.pill:hover { background: rgba(59, 130, 246, 0.28); }

/* ===== Footer del sitio ===== */
.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 3rem;
  padding: 2rem clamp(1rem, 4vw, 2.5rem);
  color: var(--muted);
}
.site-footer .fgrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.25rem;
  max-width: 980px;
  margin: 0 auto;
}
.fcol { display: flex; flex-direction: column; gap: 0.3rem; }
.fcol h4 { color: var(--ink); font-size: 0.9rem; margin: 0 0 0.35rem; }
.fcol a { color: var(--muted); text-decoration: none; font-size: 0.85rem; }
.fcol a:hover { color: var(--ink); }
.fnote {
  max-width: 980px;
  margin: 1.75rem auto 0;
  padding-top: 1.15rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
}
.ffacts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.45rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.ffacts li {
  padding: 0.28rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.3;
}
.flegal {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem 1.1rem;
}
.flegal a {
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
}
.flegal a:hover { color: #cfe0ff; }

.cookie-banner {
  position: fixed;
  z-index: 40;
  left: 0.75rem;
  right: 0.75rem;
  bottom: 0.75rem;
  max-width: 36rem;
  margin: 0 auto;
  padding: 1rem 1.1rem 1.05rem;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}
.cookie-banner h2 { margin: 0; font-size: 1rem; }
.cookie-banner p { margin: 0.4rem 0 0.85rem; color: var(--muted); font-size: 0.9rem; line-height: 1.45; }
.cookie-banner a { color: var(--accent); white-space: nowrap; }
body:has(.cookie-banner) { padding-bottom: 12rem; }
.cookie-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.cookie-actions .cta,
.cookie-actions .btn-ghost { padding: 0.55rem 0.9rem; font-size: 0.9rem; }
.legal-choice { margin-top: 1.25rem; }

@media (max-width: 760px) {
  .site-nav {
    flex-wrap: nowrap;
    column-gap: 0.65rem;
  }
  .site-nav .brand { order: 1; }
  .lang-switch {
    order: 2;
    z-index: 2;
    margin-left: 0;
    padding-left: 0;
    border-left: 0;
  }
  .nav-toggle { display: inline-flex; order: 3; }
  .site-menu {
    position: absolute;
    z-index: 1;
    top: 100%;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: 0.35rem clamp(1rem, 4vw, 2.5rem) 0.55rem;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.38);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.22s ease, visibility 0s linear 0.22s;
  }
  .site-nav.is-open .site-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: opacity 0.22s ease, visibility 0s linear 0s;
  }
  .site-menu a {
    padding: 0.8rem 0.1rem;
    font-size: 1rem;
    border-bottom: 1px solid var(--line);
  }
  .site-menu a:last-child { border-bottom: 0; }
}

@media (max-width: 640px) {
  .steps { grid-template-columns: 1fr; gap: 0.9rem; }
  .cta, .btn-ghost { width: 100%; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  .nav-toggle-bars,
  .nav-toggle-bars::before,
  .nav-toggle-bars::after,
  .site-menu { transition: none; }
}