/* ==========================================================================
   Nexora Tools — hoja de estilos principal
   Índice:
   1. Fuentes y variables (tema oscuro por defecto / tema claro)
   2. Base y accesibilidad
   3. Cabecera y navegación
   4. Botones, campos y formularios
   5. Página de inicio (hero, buscador, categorías, tarjetas, FAQ)
   6. Páginas de herramientas
   7. Contenido (artículos, páginas legales)
   8. Espacios publicitarios
   9. Pie de página
   10. Utilidades y animaciones
   ========================================================================== */

/* 1. Fuentes y variables ---------------------------------------------------- */
@font-face { font-family: "Inter"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/Inter-Regular.woff") format("woff"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 600; font-display: swap; src: url("../fonts/Inter-SemiBold.woff") format("woff"); }
@font-face { font-family: "Inter Display"; font-style: normal; font-weight: 700; font-display: swap; src: url("../fonts/InterDisplay-Bold.woff") format("woff"); }

:root {
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Inter Display", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "SF Mono", Consolas, "Liberation Mono", monospace;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --container: 1180px;
  --header-h: 68px;
  --ease: cubic-bezier(.2, .7, .2, 1);

  /* Tema oscuro (por defecto) */
  --bg: #0a0a12;
  --bg-soft: #0e0e18;
  --surface: #13131f;
  --surface-2: #1a1a29;
  --surface-3: #222235;
  --border: #29293f;
  --border-strong: #3a3a55;
  --text: #ececf4;
  --text-soft: #c4c4d6;
  --muted: #9a9ab2;
  --accent: #8b5cf6;
  --accent-strong: #7c3aed;
  --accent-text: #b9a2ff;
  --accent-2: #3b82f6;
  --accent-3: #22d3ee;
  --on-accent: #ffffff;
  --success: #34d399;
  --success-bg: rgba(52, 211, 153, .10);
  --warning: #fbbf24;
  --warning-bg: rgba(251, 191, 36, .10);
  --danger: #f87171;
  --danger-bg: rgba(248, 113, 113, .10);
  --info-bg: rgba(59, 130, 246, .10);
  --shadow: 0 1px 0 rgba(255,255,255,.04) inset, 0 12px 32px -12px rgba(0,0,0,.6);
  --shadow-lg: 0 30px 80px -30px rgba(0,0,0,.8);
  --glow: 0 0 0 1px rgba(139, 92, 246, .35), 0 10px 40px -10px rgba(139, 92, 246, .45);
  --grid-dot: rgba(255, 255, 255, .055);
  --checker-a: #1d1d2c;
  --checker-b: #262638;

  --cat-imagenes: #a78bfa;
  --cat-texto: #60a5fa;
  --cat-productividad: #2dd4bf;
  --cat-creadores: #f472b6;

  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #f6f6fb;
  --bg-soft: #efeff7;
  --surface: #ffffff;
  --surface-2: #f4f4fa;
  --surface-3: #e9e9f3;
  --border: #e1e1ec;
  --border-strong: #cbcbdc;
  --text: #13131f;
  --text-soft: #34344a;
  --muted: #5a5a72;
  --accent: #7c3aed;
  --accent-strong: #6d28d9;
  --accent-text: #6d28d9;
  --accent-2: #2563eb;
  --accent-3: #0891b2;
  --success: #047857;
  --success-bg: rgba(4, 120, 87, .08);
  --warning: #92400e;
  --warning-bg: rgba(217, 119, 6, .10);
  --danger: #b91c1c;
  --danger-bg: rgba(220, 38, 38, .08);
  --info-bg: rgba(37, 99, 235, .07);
  --shadow: 0 1px 2px rgba(20,20,40,.04), 0 10px 30px -14px rgba(20,20,60,.18);
  --shadow-lg: 0 30px 70px -30px rgba(20,20,60,.25);
  --glow: 0 0 0 1px rgba(124, 58, 237, .35), 0 10px 34px -12px rgba(124, 58, 237, .35);
  --grid-dot: rgba(20, 20, 60, .07);
  --checker-a: #ececf4;
  --checker-b: #ffffff;

  --cat-imagenes: #7c3aed;
  --cat-texto: #2563eb;
  --cat-productividad: #0f766e;
  --cat-creadores: #be185d;

  color-scheme: light;
}

/* 2. Base y accesibilidad --------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1 0 auto; }
img, svg, canvas { max-width: 100%; }
img { height: auto; }
a { color: var(--accent-text); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--text); }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 .6em; color: var(--text); }
h1 { font-size: clamp(2rem, 4.6vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.45rem, 2.6vw, 2rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 600; font-family: var(--font-body); letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
code, kbd { font-family: var(--font-mono); font-size: .9em; background: var(--surface-2); border: 1px solid var(--border); border-radius: 6px; padding: .1em .4em; }
hr { border: 0; border-top: 1px solid var(--border); margin: 2rem 0; }
::selection { background: rgba(139, 92, 246, .35); }

:focus-visible { outline: 2px solid var(--accent-3); outline-offset: 3px; border-radius: 6px; }
.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--accent); color: var(--on-accent); padding: .6rem 1rem; border-radius: var(--radius-sm);
  font-weight: 600; text-decoration: none; transition: top .2s;
}
.skip-link:focus { top: 12px; color: var(--on-accent); }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.container-narrow { max-width: 860px; }

/* 3. Cabecera y navegación -------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-h);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}
.header-inner { display: flex; align-items: center; gap: 18px; height: 100%; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-family: var(--font-display); font-weight: 700; font-size: 1.16rem; letter-spacing: -0.02em; flex-shrink: 0; }
.brand:hover { color: var(--text); }
.brand svg { width: 32px; height: 32px; }
.brand-tools { color: var(--muted); font-weight: 700; }
.main-nav { margin-left: 8px; }
.main-nav ul { list-style: none; display: flex; gap: 2px; margin: 0; padding: 0; }
.main-nav a {
  display: block; padding: .5rem .8rem; border-radius: 10px; color: var(--text-soft);
  text-decoration: none; font-size: .94rem; font-weight: 600; transition: background .2s, color .2s;
}
.main-nav a:hover, .main-nav a[aria-current="page"] { background: var(--surface-2); color: var(--text); }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }

.icon-btn {
  display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 12px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text-soft); cursor: pointer;
  transition: border-color .2s, color .2s, transform .2s;
}
.icon-btn:hover { border-color: var(--border-strong); color: var(--text); }
.icon-btn svg { width: 20px; height: 20px; }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: none; }
.menu-toggle { display: none; }

/* Buscador de cabecera */
.header-search { position: relative; width: 250px; }
.header-search input {
  width: 100%; height: 40px; padding: 0 12px 0 36px; border-radius: 12px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text); font: inherit; font-size: .92rem;
}
.header-search input::placeholder { color: var(--muted); }
.header-search > svg { position: absolute; left: 11px; top: 11px; width: 18px; height: 18px; color: var(--muted); pointer-events: none; }

@media (max-width: 1040px) {
  .header-search { width: 190px; }
  .main-nav a { padding: .5rem .6rem; }
}
@media (max-width: 900px) {
  .menu-toggle { display: inline-grid; }
  .main-nav {
    position: fixed; inset: var(--header-h) 0 auto 0; margin: 0; padding: 12px 20px 20px;
    background: var(--bg); border-bottom: 1px solid var(--border); box-shadow: var(--shadow-lg);
    display: none;
  }
  .main-nav.is-open { display: block; animation: fade-down .25s var(--ease); }
  .main-nav ul { flex-direction: column; gap: 4px; }
  .main-nav a { padding: .8rem 1rem; font-size: 1rem; }
  .header-search { display: none; }
  .main-nav .mobile-search { display: block; margin-bottom: 12px; }
}
.mobile-search { display: none; position: relative; }

/* Resultados de búsqueda (lista desplegable) */
.search-results {
  position: absolute; left: 0; right: 0; top: calc(100% + 8px); z-index: 60;
  background: var(--surface); border: 1px solid var(--border-strong); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); padding: 6px; margin: 0; list-style: none; max-height: 380px; overflow-y: auto;
}
.search-results[hidden] { display: none; }
.search-results li a, .search-results .search-empty {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 10px;
  text-decoration: none; color: var(--text);
}
.search-results li a:hover, .search-results li[aria-selected="true"] a { background: var(--surface-2); }
.search-results .sr-title { font-weight: 600; font-size: .95rem; display: block; }
.search-results .sr-cat { font-size: .8rem; color: var(--muted); display: block; }
.search-results .search-empty { color: var(--muted); font-size: .92rem; display: block; }
.search-results .tool-icon { width: 34px; height: 34px; border-radius: 10px; }
.search-results .tool-icon svg { width: 18px; height: 18px; }

/* 4. Botones, campos y formularios ----------------------------------------- */
.btn {
  --btn-bg: var(--surface-2); --btn-fg: var(--text); --btn-border: var(--border);
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 18px; border-radius: 12px; border: 1px solid var(--btn-border);
  background: var(--btn-bg); color: var(--btn-fg); font: inherit; font-weight: 600; font-size: .95rem;
  cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: transform .15s var(--ease), background .2s, border-color .2s, box-shadow .2s, opacity .2s;
}
.btn:hover { border-color: var(--border-strong); color: var(--btn-fg); }
.btn:active { transform: translateY(1px); }
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.btn-primary {
  --btn-bg: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  --btn-fg: var(--on-accent); --btn-border: transparent;
  background: var(--btn-bg); box-shadow: 0 8px 24px -10px rgba(124, 58, 237, .7);
}
.btn-primary:hover { box-shadow: 0 10px 30px -8px rgba(124, 58, 237, .85); }
.btn-ghost { --btn-bg: transparent; }
.btn-success { --btn-bg: var(--success-bg); --btn-fg: var(--success); --btn-border: color-mix(in srgb, var(--success) 35%, transparent); }
.btn-sm { min-height: 36px; padding: 0 12px; font-size: .88rem; border-radius: 10px; }
.btn[disabled], .btn[aria-disabled="true"] { opacity: .45; cursor: not-allowed; pointer-events: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field > label, .field-label { font-weight: 600; font-size: .9rem; color: var(--text-soft); }
.field-hint { font-size: .82rem; color: var(--muted); }
.input, .select, .textarea {
  width: 100%; min-height: 44px; padding: 10px 12px; border-radius: 12px;
  border: 1px solid var(--border); background: var(--bg-soft); color: var(--text);
  font: inherit; font-size: .97rem; transition: border-color .2s, box-shadow .2s;
}
.textarea { min-height: 180px; resize: vertical; line-height: 1.55; }
.textarea.mono, .input.mono { font-family: var(--font-mono); font-size: .88rem; }
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(139, 92, 246, .22); }
.input[aria-invalid="true"], .textarea[aria-invalid="true"] { border-color: var(--danger); }
.select { appearance: none; padding-right: 36px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%239a9ab2' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' viewBox='0 0 24 24'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; }
.input-group { display: flex; align-items: stretch; }
.input-group .input { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.input-group .addon { display: grid; place-items: center; padding: 0 12px; border: 1px solid var(--border); border-left: 0; border-radius: 0 12px 12px 0; background: var(--surface-2); color: var(--muted); font-weight: 600; }
.check { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; font-size: .95rem; color: var(--text-soft); }
.check input { width: 18px; height: 18px; accent-color: var(--accent); }
input[type="range"] { width: 100%; accent-color: var(--accent); }
input[type="color"] { width: 100%; height: 44px; padding: 4px; border-radius: 12px; border: 1px solid var(--border); background: var(--bg-soft); cursor: pointer; }
.form-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.form-grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.checks { display: flex; flex-wrap: wrap; gap: 10px 22px; }
.segmented { display: inline-flex; flex-wrap: wrap; gap: 4px; padding: 4px; border-radius: 14px; background: var(--bg-soft); border: 1px solid var(--border); }
.segmented button {
  border: 0; background: transparent; color: var(--text-soft); font: inherit; font-weight: 600; font-size: .9rem;
  padding: 8px 14px; border-radius: 10px; cursor: pointer; transition: background .2s, color .2s;
}
.segmented button[aria-pressed="true"], .segmented button[aria-selected="true"] { background: var(--surface-3); color: var(--text); box-shadow: var(--shadow); }

/* 5. Página de inicio ------------------------------------------------------- */
.hero { position: relative; padding: 84px 0 64px; overflow: hidden; isolation: isolate; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -2;
  background-image: radial-gradient(var(--grid-dot) 1px, transparent 1px);
  background-size: 22px 22px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 75%);
}
.aurora { position: absolute; z-index: -1; inset: -20% -10% auto -10%; height: 560px; pointer-events: none; filter: blur(60px); opacity: .55; }
.aurora span { position: absolute; border-radius: 50%; animation: drift 18s ease-in-out infinite alternate; }
.aurora span:nth-child(1) { width: 520px; height: 320px; left: 12%; top: 10%; background: radial-gradient(closest-side, rgba(139, 92, 246, .75), transparent); }
.aurora span:nth-child(2) { width: 460px; height: 300px; right: 10%; top: 0; background: radial-gradient(closest-side, rgba(59, 130, 246, .6), transparent); animation-delay: -6s; }
.aurora span:nth-child(3) { width: 380px; height: 240px; left: 42%; top: 38%; background: radial-gradient(closest-side, rgba(34, 211, 238, .35), transparent); animation-delay: -12s; }
:root[data-theme="light"] .aurora { opacity: .35; }
.hero-inner { text-align: center; max-width: 860px; margin: 0 auto; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px 6px 8px; border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 80%, transparent); border: 1px solid var(--border);
  font-size: .85rem; color: var(--text-soft); margin-bottom: 22px;
}
.eyebrow .dot { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; }
.eyebrow .dot svg { width: 13px; height: 13px; }
.gradient-text {
  background: linear-gradient(100deg, var(--text) 10%, #c4b5fd 45%, #93c5fd 75%, #67e8f9 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
:root[data-theme="light"] .gradient-text { background: linear-gradient(100deg, #13131f 10%, #6d28d9 50%, #1d4ed8 90%); -webkit-background-clip: text; background-clip: text; }
.hero-lead { font-size: clamp(1.03rem, 1.6vw, 1.2rem); color: var(--text-soft); max-width: 680px; margin: 0 auto 32px; }

.hero-search { position: relative; max-width: 640px; margin: 0 auto; text-align: left; }
.hero-search .search-box {
  display: flex; align-items: center; gap: 10px; padding: 8px 8px 8px 18px; border-radius: 18px;
  background: var(--surface); border: 1px solid var(--border-strong); box-shadow: var(--shadow-lg);
  transition: box-shadow .25s, border-color .25s;
}
.hero-search .search-box:focus-within { border-color: var(--accent); box-shadow: var(--glow); }
.hero-search .search-box > svg { width: 22px; height: 22px; color: var(--muted); flex-shrink: 0; }
.hero-search input { flex: 1; min-width: 0; height: 46px; border: 0; background: transparent; color: var(--text); font: inherit; font-size: 1.05rem; }
.hero-search input:focus { outline: none; }
.hero-search input::placeholder { color: var(--muted); }
.search-kbd { font-family: var(--font-mono); font-size: .78rem; color: var(--muted); border: 1px solid var(--border); border-radius: 6px; padding: 2px 7px; }
.hero-meta { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 22px; margin-top: 26px; color: var(--muted); font-size: .9rem; }
.hero-meta span { display: inline-flex; align-items: center; gap: 7px; }
.hero-meta svg { width: 16px; height: 16px; color: var(--success); }
@media (max-width: 560px) { .search-kbd { display: none; } .hero { padding: 56px 0 44px; } }

.section { padding: 56px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 26px; flex-wrap: wrap; }
.section-head h2 { margin: 0; }
.section-head p { margin: 6px 0 0; color: var(--muted); }
.section-kicker { font-family: var(--font-mono); font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; color: var(--accent-text); margin-bottom: 8px; display: block; }

/* Categorías */
.category-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.category-card {
  --cat: var(--accent);
  position: relative; display: flex; flex-direction: column; gap: 6px; padding: 20px; border-radius: var(--radius-lg);
  background: var(--surface); border: 1px solid var(--border); text-decoration: none; color: var(--text);
  overflow: hidden; transition: transform .25s var(--ease), border-color .25s;
}
.category-card::after { content: ""; position: absolute; right: -40px; top: -40px; width: 140px; height: 140px; border-radius: 50%; background: radial-gradient(closest-side, color-mix(in srgb, var(--cat) 30%, transparent), transparent); transition: transform .4s var(--ease); }
.category-card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--cat) 55%, var(--border)); color: var(--text); }
.category-card:hover::after { transform: scale(1.3); }
.category-card strong { font-size: 1.08rem; }
.category-card span { color: var(--muted); font-size: .9rem; }
.category-card .count { font-family: var(--font-mono); font-size: .78rem; color: var(--cat); margin-top: 6px; }
.category-card .tool-icon { margin-bottom: 8px; }

/* Iconos de herramienta con color de categoría */
.tool-icon {
  --cat: var(--accent);
  width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; flex-shrink: 0;
  color: var(--cat); background: color-mix(in srgb, var(--cat) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--cat) 28%, transparent);
}
.tool-icon svg { width: 22px; height: 22px; }
[data-cat="imagenes"] { --cat: var(--cat-imagenes); }
[data-cat="texto"] { --cat: var(--cat-texto); }
[data-cat="productividad"] { --cat: var(--cat-productividad); }
[data-cat="creadores"] { --cat: var(--cat-creadores); }

/* Filtros por categoría */
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text-soft); font: inherit; font-size: .9rem; font-weight: 600; cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
}
.chip:hover { border-color: var(--border-strong); color: var(--text); }
.chip[aria-pressed="true"] { background: var(--text); color: var(--bg); border-color: var(--text); }
.chip .chip-count { font-family: var(--font-mono); font-size: .76rem; opacity: .7; }

/* Tarjetas de herramientas */
.tool-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.tool-card {
  --cat: var(--accent);
  position: relative; display: flex; gap: 14px; align-items: flex-start; padding: 18px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border); text-decoration: none; color: var(--text);
  transition: transform .25s var(--ease), border-color .25s, box-shadow .25s;
}
.tool-card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--cat) 50%, var(--border)); box-shadow: var(--shadow); color: var(--text); }
.tool-card h3 { font-size: 1rem; margin: 0 0 4px; }
.tool-card p { margin: 0; font-size: .89rem; color: var(--muted); line-height: 1.5; }
.tool-card .badge { display: table; margin-bottom: 6px; }
.badge { display: inline-block; font-family: var(--font-mono); font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; padding: 3px 8px; border-radius: 999px; background: color-mix(in srgb, var(--accent-3) 14%, transparent); color: var(--accent-3); border: 1px solid color-mix(in srgb, var(--accent-3) 30%, transparent); }
.tool-grid-empty { padding: 30px; text-align: center; color: var(--muted); border: 1px dashed var(--border); border-radius: var(--radius); }

/* Ventajas */
.feature-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.feature { padding: 24px; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--border); }
.feature .feature-icon { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 14px; color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.feature .feature-icon svg { width: 20px; height: 20px; }
.feature h3 { margin-bottom: 6px; }
.feature p { color: var(--muted); margin: 0; font-size: .95rem; }

/* Preguntas frecuentes */
.faq { display: grid; gap: 10px; }
.faq details { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); transition: border-color .2s; }
.faq details[open] { border-color: var(--border-strong); }
.faq summary {
  list-style: none; cursor: pointer; padding: 18px 52px 18px 20px; font-weight: 600; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 20px; top: 50%; width: 10px; height: 10px; margin-top: -7px;
  border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: rotate(45deg); transition: transform .25s var(--ease);
}
.faq details[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.faq .faq-body { padding: 0 20px 18px; color: var(--text-soft); }
.faq .faq-body p:last-child { margin-bottom: 0; }

/* 6. Páginas de herramientas ----------------------------------------------- */
.breadcrumb { padding-top: 26px; font-size: .88rem; color: var(--muted); }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0; }
.breadcrumb li + li::before { content: "/"; margin-right: 6px; opacity: .5; }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--text); text-decoration: underline; }
.tool-hero { padding: 22px 0 26px; display: flex; gap: 18px; align-items: flex-start; }
.tool-hero .tool-icon { width: 58px; height: 58px; border-radius: 18px; }
.tool-hero .tool-icon svg { width: 28px; height: 28px; }
.tool-hero h1 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); margin-bottom: .3em; }
.tool-hero p { color: var(--text-soft); margin: 0; max-width: 720px; font-size: 1.05rem; }
.tool-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.tool-tags span { display: inline-flex; align-items: center; gap: 6px; font-size: .82rem; color: var(--muted); padding: 4px 10px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); }
.tool-tags svg { width: 14px; height: 14px; color: var(--success); }
@media (max-width: 560px) { .tool-hero { flex-direction: column; gap: 12px; } }

.tool-panel {
  position: relative; padding: 26px; border-radius: var(--radius-lg); background: var(--surface);
  border: 1px solid var(--border); box-shadow: var(--shadow);
}
.tool-panel + .tool-panel { margin-top: 16px; }
@media (max-width: 560px) { .tool-panel { padding: 18px; border-radius: var(--radius); } }
.panel-title { font-size: 1rem; font-weight: 600; margin: 0 0 14px; display: flex; align-items: center; gap: 8px; }
.stack { display: grid; gap: 18px; }
.split { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); align-items: start; }

/* Zona para soltar archivos */
.dropzone {
  position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
  padding: 40px 20px; text-align: center; border-radius: var(--radius); cursor: pointer;
  border: 2px dashed var(--border-strong); background: var(--bg-soft); transition: border-color .2s, background .2s;
}
.dropzone:hover, .dropzone:focus-within, .dropzone.is-dragover { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 7%, var(--bg-soft)); }
.dropzone input[type="file"] { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.dropzone .dz-icon { width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center; color: var(--accent-text); background: color-mix(in srgb, var(--accent) 14%, transparent); }
.dropzone .dz-icon svg { width: 26px; height: 26px; }
.dropzone strong { font-size: 1.02rem; }
.dropzone small { color: var(--muted); }

/* Vista previa de imágenes */
.preview-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.preview-card { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--bg-soft); display: flex; flex-direction: column; }
.preview-card header { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 10px 14px; border-bottom: 1px solid var(--border); font-size: .88rem; }
.preview-card header strong { font-size: .88rem; }
.preview-media {
  display: grid; place-items: center; min-height: 220px; padding: 12px;
  background-color: var(--checker-a);
  background-image: linear-gradient(45deg, var(--checker-b) 25%, transparent 25%), linear-gradient(-45deg, var(--checker-b) 25%, transparent 25%), linear-gradient(45deg, transparent 75%, var(--checker-b) 75%), linear-gradient(-45deg, transparent 75%, var(--checker-b) 75%);
  background-size: 18px 18px; background-position: 0 0, 0 9px, 9px -9px, -9px 0;
}
.preview-media img, .preview-media canvas { max-height: 380px; width: auto; max-width: 100%; object-fit: contain; display: block; }
.preview-card footer { padding: 10px 14px; font-size: .85rem; color: var(--muted); border-top: 1px solid var(--border); }

/* Recortador */
.crop-stage { position: relative; display: inline-block; max-width: 100%; touch-action: none; user-select: none; -webkit-user-select: none; line-height: 0; }
.crop-stage img { display: block; max-width: 100%; max-height: 520px; width: auto; }
.crop-box {
  position: absolute; border: 2px solid #fff; box-shadow: 0 0 0 9999px rgba(0, 0, 0, .55); cursor: move;
  outline: 1px solid rgba(0,0,0,.4);
}
.crop-box::before, .crop-box::after { content: ""; position: absolute; inset: 0; pointer-events: none; }
.crop-box::before { border-left: 1px solid rgba(255,255,255,.35); border-right: 1px solid rgba(255,255,255,.35); left: 33.33%; right: 33.33%; }
.crop-box::after { border-top: 1px solid rgba(255,255,255,.35); border-bottom: 1px solid rgba(255,255,255,.35); top: 33.33%; bottom: 33.33%; }
.crop-handle { position: absolute; width: 16px; height: 16px; background: #fff; border: 2px solid var(--accent); border-radius: 4px; z-index: 2; }
.crop-handle[data-h="nw"] { left: -9px; top: -9px; cursor: nwse-resize; }
.crop-handle[data-h="ne"] { right: -9px; top: -9px; cursor: nesw-resize; }
.crop-handle[data-h="sw"] { left: -9px; bottom: -9px; cursor: nesw-resize; }
.crop-handle[data-h="se"] { right: -9px; bottom: -9px; cursor: nwse-resize; }
.crop-wrap { display: grid; place-items: center; padding: 14px; border-radius: var(--radius); background: var(--bg-soft); border: 1px solid var(--border); overflow: hidden; }

/* Estadísticas y resultados */
.stats { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
.stat { padding: 16px; border-radius: var(--radius); background: var(--bg-soft); border: 1px solid var(--border); }
.stat .stat-value { font-family: var(--font-display); font-weight: 700; font-size: 1.7rem; letter-spacing: -0.02em; line-height: 1.1; font-variant-numeric: tabular-nums; word-break: break-word; }
.stat .stat-label { font-size: .82rem; color: var(--muted); margin-top: 4px; }
.stat.is-accent { border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); background: color-mix(in srgb, var(--accent) 8%, var(--bg-soft)); }
.stat.is-success .stat-value { color: var(--success); }
.result-box {
  padding: 18px; border-radius: var(--radius); background: var(--bg-soft); border: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
}
.result-big { font-family: var(--font-display); font-size: clamp(1.6rem, 4vw, 2.3rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; word-break: break-word; }
.result-sub { color: var(--muted); font-size: .92rem; margin-top: 6px; }
.result-table { width: 100%; border-collapse: collapse; font-size: .95rem; font-variant-numeric: tabular-nums; }
.result-table th, .result-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.result-table th { color: var(--muted); font-weight: 600; font-size: .85rem; }
.result-table td:last-child { text-align: right; font-weight: 600; }
.result-table tr:last-child td { border-bottom: 0; }
.result-table tr.total td { font-size: 1.1rem; color: var(--text); }

/* Listas de resultados generados (creadores, etc.) */
.output-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.output-list li {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 12px 12px 16px; border-radius: 12px; background: var(--bg-soft); border: 1px solid var(--border);
  animation: rise .35s var(--ease) both;
}
.output-list li span { flex: 1; min-width: 0; word-break: break-word; }
.output-list li .btn { flex-shrink: 0; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud span { padding: 6px 12px; border-radius: 999px; background: var(--bg-soft); border: 1px solid var(--border); font-size: .9rem; }

/* Contraseña */
.password-output {
  display: flex; align-items: center; gap: 10px; padding: 12px 12px 12px 18px; border-radius: var(--radius);
  background: var(--bg-soft); border: 1px solid var(--border-strong);
}
.password-output output { flex: 1; min-width: 0; font-family: var(--font-mono); font-size: 1.15rem; word-break: break-all; line-height: 1.4; }
.strength { height: 8px; border-radius: 999px; background: var(--surface-3); overflow: hidden; }
.strength span { display: block; height: 100%; width: 0; border-radius: inherit; transition: width .35s var(--ease), background .35s; }

/* QR */
.qr-output { display: grid; place-items: center; padding: 20px; border-radius: var(--radius); background: var(--bg-soft); border: 1px solid var(--border); min-height: 280px; }
.qr-output canvas { image-rendering: pixelated; width: 260px; height: 260px; border-radius: 8px; }
.qr-placeholder { color: var(--muted); font-size: .92rem; text-align: center; }

/* Avisos y mensajes */
.notice { display: flex; gap: 12px; padding: 14px 16px; border-radius: 12px; font-size: .93rem; border: 1px solid transparent; line-height: 1.5; }
.notice svg { width: 20px; height: 20px; flex-shrink: 0; margin-top: 1px; }
.notice p { margin: 0; }
.notice p + p { margin-top: 4px; }
.notice-info { background: var(--info-bg); border-color: color-mix(in srgb, var(--accent-2) 30%, transparent); color: var(--text-soft); }
.notice-info svg { color: var(--accent-2); }
.notice-warning { background: var(--warning-bg); border-color: color-mix(in srgb, var(--warning) 35%, transparent); color: var(--text-soft); }
.notice-warning svg { color: var(--warning); }
.notice-error { background: var(--danger-bg); border-color: color-mix(in srgb, var(--danger) 40%, transparent); color: var(--text); }
.notice-error svg { color: var(--danger); }
.notice-success { background: var(--success-bg); border-color: color-mix(in srgb, var(--success) 35%, transparent); color: var(--text); }
.notice-success svg { color: var(--success); }
.form-error { color: var(--danger); font-size: .86rem; font-weight: 600; }
.messages:empty { display: none; }
.messages { display: grid; gap: 10px; }

.toast-region { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 90; display: grid; gap: 8px; pointer-events: none; width: max-content; max-width: calc(100vw - 32px); }
.toast { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-radius: 12px; background: var(--text); color: var(--bg); font-weight: 600; font-size: .92rem; box-shadow: var(--shadow-lg); animation: toast-in .3s var(--ease) both; }
.toast svg { width: 18px; height: 18px; }
.toast.is-leaving { animation: toast-out .25s var(--ease) both; }

/* Contenido explicativo debajo de cada herramienta */
.tool-layout { display: grid; gap: 40px; grid-template-columns: minmax(0, 1fr); padding-bottom: 40px; }
.tool-content { display: grid; gap: 34px; }
.related-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.related-grid .tool-card { padding: 14px; }
.related-grid .tool-icon { width: 40px; height: 40px; border-radius: 12px; }

/* 7. Contenido (guías y páginas legales) ----------------------------------- */
.prose { color: var(--text-soft); font-size: 1.02rem; }
.prose h2 { margin-top: 1.6em; color: var(--text); }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 1.4em; color: var(--text); }
.prose ul, .prose ol { padding-left: 1.3em; margin: 0 0 1em; }
.prose li { margin-bottom: .45em; }
.prose li::marker { color: var(--accent-text); }
.prose strong { color: var(--text); }
.prose table { width: 100%; border-collapse: collapse; margin: 1em 0 1.4em; font-size: .95rem; }
.prose th, .prose td { border: 1px solid var(--border); padding: 10px 12px; text-align: left; vertical-align: top; }
.prose th { background: var(--surface-2); color: var(--text); }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.steps { counter-reset: step; list-style: none; padding: 0 !important; display: grid; gap: 12px; }
.steps li { counter-increment: step; position: relative; padding: 14px 16px 14px 58px; border-radius: 12px; background: var(--surface); border: 1px solid var(--border); margin: 0 !important; }
.steps li::before {
  content: counter(step); position: absolute; left: 14px; top: 13px; width: 30px; height: 30px; border-radius: 9px;
  display: grid; place-items: center; font-family: var(--font-mono); font-size: .85rem; font-weight: 600;
  color: var(--accent-text); background: color-mix(in srgb, var(--accent) 14%, transparent);
}
.example { padding: 16px 18px; border-radius: 12px; background: var(--surface); border-left: 3px solid var(--accent); margin: 0 0 1em; }
.example strong { display: block; margin-bottom: 4px; }
.page-hero { padding: 54px 0 24px; }
.page-hero p { color: var(--text-soft); font-size: 1.08rem; max-width: 720px; }
.page-meta { color: var(--muted); font-size: .88rem; font-family: var(--font-mono); }
.card { padding: 24px; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--border); }
.review-box { border: 1px dashed var(--warning); background: var(--warning-bg); border-radius: var(--radius); padding: 16px 18px; color: var(--text-soft); margin-bottom: 26px; }

/* 8. Espacios publicitarios -----------------------------------------------
   Los contenedores .ad-slot están ocultos mientras la publicidad esté
   desactivada en assets/js/config.js. Solo se muestran cuando ads.js
   inserta un bloque real de AdSense. Nunca se muestran anuncios ficticios. */
.ad-slot { display: none; }
.ad-slot.is-active {
  display: block; margin: 36px auto; max-width: 100%; text-align: center; clear: both;
  padding-top: 8px; border-top: 1px solid var(--border);
}
.ad-slot.is-active::before {
  content: "Publicidad"; display: block; font-size: .7rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 8px;
}
.ad-slot ins.adsbygoogle { display: block; min-height: 100px; }
/* Vista de depuración solo para desarrollo local (ADS.debugPlaceholders) */
.ad-slot.is-debug {
  display: grid; place-items: center; min-height: 110px; margin: 36px auto; border: 2px dashed var(--border-strong);
  border-radius: var(--radius); color: var(--muted); font-family: var(--font-mono); font-size: .8rem; text-align: center; padding: 12px;
}

/* 9. Pie de página ---------------------------------------------------------- */
.site-footer { margin-top: 40px; border-top: 1px solid var(--border); background: var(--bg-soft); padding: 52px 0 28px; font-size: .93rem; }
.footer-grid { display: grid; gap: 32px; grid-template-columns: 1.4fr repeat(4, 1fr); }
@media (max-width: 900px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } .footer-brand { grid-column: 1 / -1; } }
@media (max-width: 460px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand p { color: var(--muted); max-width: 320px; margin-top: 12px; }
.site-footer h2 { font-family: var(--font-body); font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin-bottom: 14px; font-weight: 600; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.site-footer a { color: var(--text-soft); text-decoration: none; }
.site-footer a:hover { color: var(--text); text-decoration: underline; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--border); color: var(--muted); font-size: .85rem; }

/* 10. Utilidades y animaciones --------------------------------------------- */
.muted { color: var(--muted); }
.small { font-size: .88rem; }
.mono { font-family: var(--font-mono); }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.text-center { text-align: center; }
[hidden] { display: none !important; }
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

@keyframes drift { from { transform: translate3d(0, 0, 0) scale(1); } to { transform: translate3d(40px, 30px, 0) scale(1.12); } }
@keyframes fade-down { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes toast-in { from { opacity: 0; transform: translateY(10px) scale(.97); } to { opacity: 1; transform: none; } }
@keyframes toast-out { to { opacity: 0; transform: translateY(6px); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .site-footer, .ad-slot, .btn, .related { display: none !important; }
  body { background: #fff; color: #000; }
}

/* Listas de resultados en pantallas angostas: el texto ocupa todo el ancho */
@media (max-width: 560px) {
  .output-list li { flex-wrap: wrap; }
  .output-list li > span:first-child { flex-basis: 100%; }
}