/* =========================================================================
   Somos Analítica — sistema visual
   Consultora de IA, Cloud y Datos · Lima, Perú
   Vanilla CSS. Base oscura (navy), tema claro con el mismo cuidado.
   Gradiente de marca reservado EXCLUSIVAMENTE al CTA primario.
   ========================================================================= */

/* ---------- Reset mínimo ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { line-height: 1.6; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img, svg { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; color: inherit; }
a { color: inherit; }
:where(ul, ol) { list-style: none; padding: 0; }
h1, h2, h3, h4 { line-height: 1.1; text-wrap: balance; font-weight: 600; letter-spacing: -0.02em; }
p { text-wrap: pretty; }

/* =========================================================================
   TOKENS
   ========================================================================= */
:root {
  color-scheme: dark;

  /* Escala tipográfica */
  --font-sans: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Marca — gradiente SOLO para CTA primario. Termina en #9575f7 (AA sobre texto). */
  --brand-cyan:   #22D3EE;
  --brand-blue:   #3B82F6;
  --brand-violet: #9575f7;
  --brand-grad: linear-gradient(102deg, var(--brand-cyan) 0%, var(--brand-blue) 52%, var(--brand-violet) 100%);

  /* Datos (validados vs. daltonismo — no usar juntos como 2 series) */
  --data-teal:   #0891B2;
  --data-violet: #8B5CF6;

  /* Layout */
  --maxw: 1200px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;

  --step: clamp(64px, 9vw, 128px);   /* separación vertical entre secciones */

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- TEMA OSCURO (base) ---------- */
:root, [data-theme="dark"] {
  color-scheme: dark;
  --bg:        #070a14;
  --bg-1:      #0b1122;   /* superficie elevada */
  --bg-2:      #111a30;   /* superficie +1 */
  --bg-inset:  #060810;
  --border:    #1c2740;
  --border-strong: #2a3958;

  --text:      #eef1f8;   /* 15.9:1 sobre --bg */
  --text-2:    #aab6d0;   /* 7.6:1  — texto secundario */
  --text-3:    #7d8aa8;   /* 4.6:1  — metadatos, sólo tamaños grandes/no crítico */

  --link:      #7ab4ff;
  --link-hover:#a9cfff;
  --confidence:#3B82F6;   /* azul estructural */

  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 30px rgba(0,0,0,.35);
  --ring: 0 0 0 2px var(--bg), 0 0 0 4px var(--brand-blue);
}

/* ---------- TEMA CLARO ---------- */
[data-theme="light"] {
  color-scheme: light;
  --bg:        #ffffff;
  --bg-1:      #f6f8fc;
  --bg-2:      #eef2f9;
  --bg-inset:  #f0f3f9;
  --border:    #dde3ee;
  --border-strong: #c6cfe0;

  --text:      #0b1020;   /* 17.5:1 sobre blanco */
  --text-2:    #45526b;   /* 8.0:1 */
  --text-3:    #5c6a85;   /* 5.6:1 */

  --link:      #1d4ed8;   /* 6.0:1 sobre blanco */
  --link-hover:#1e40af;
  --confidence:#1d4ed8;

  --shadow: 0 1px 2px rgba(16,24,40,.06), 0 12px 32px rgba(16,24,40,.08);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    color-scheme: light;
    --bg:#ffffff; --bg-1:#f6f8fc; --bg-2:#eef2f9; --bg-inset:#f0f3f9;
    --border:#dde3ee; --border-strong:#c6cfe0;
    --text:#0b1020; --text-2:#45526b; --text-3:#5c6a85;
    --link:#1d4ed8; --link-hover:#1e40af; --confidence:#1d4ed8;
    --shadow: 0 1px 2px rgba(16,24,40,.06), 0 12px 32px rgba(16,24,40,.08);
  }
}

/* =========================================================================
   BASE
   ========================================================================= */
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  font-size: 17px;
  overflow-x: hidden;
}

a { color: var(--link); text-decoration: none; transition: color .15s var(--ease); }
a:hover { color: var(--link-hover); }

:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--brand-blue);
  border-radius: 4px;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--confidence);
  font-weight: 500;
}

.section-head { max-width: 62ch; margin-bottom: clamp(40px, 5vw, 64px); }
.section-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); margin-top: 14px; }
.section-head p { color: var(--text-2); font-size: 1.12rem; margin-top: 18px; max-width: 54ch; }

/* Marca TODO visible en el código y en pantalla */
.todo {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .06em;
  padding: 3px 8px;
  border-radius: 5px;
  border: 1px dashed var(--border-strong);
  color: var(--text-3);
  background: color-mix(in oklab, var(--bg-2) 60%, transparent);
}

/* =========================================================================
   BOTONES
   ========================================================================= */
.btn {
  --pad-y: 13px; --pad-x: 22px;
  display: inline-flex; align-items: center; gap: 10px;
  min-height: 46px;
  padding: var(--pad-y) var(--pad-x);
  border-radius: var(--radius-sm);
  font-weight: 600; font-size: .98rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

/* CTA primario: ÚNICO lugar con el gradiente de marca */
.btn-primary {
  position: relative;
  color: #0a0f1c;
  background: var(--brand-grad);
  font-weight: 650;
  box-shadow: 0 1px 0 rgba(255,255,255,.25) inset, 0 8px 24px -8px rgba(59,130,246,.6);
}
.btn-primary:hover { color: #0a0f1c; transform: translateY(-1px); box-shadow: 0 1px 0 rgba(255,255,255,.3) inset, 0 12px 30px -8px rgba(59,130,246,.75); }

.btn-ghost {
  background: transparent; color: var(--text);
  border-color: var(--border-strong);
}
.btn-ghost:hover { color: var(--text); background: color-mix(in oklab, var(--text) 6%, transparent); border-color: var(--text-3); }

.btn-lg { min-height: 54px; --pad-x: 28px; font-size: 1.05rem; }

.btn svg { width: 18px; height: 18px; flex: none; }

/* =========================================================================
   NAV
   ========================================================================= */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);      /* permitido en nav */
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.site-header.is-scrolled { border-bottom-color: var(--border); }

.nav { display: flex; align-items: center; gap: 28px; height: 72px; }

.brand { display: flex; align-items: center; gap: 11px; font-weight: 650; letter-spacing: -0.01em; color: var(--text); font-size: 1.05rem; }
.brand:hover { color: var(--text); }
.brand .logo { width: 30px; height: 30px; flex: none; }

.nav-links { display: flex; align-items: center; gap: 4px; margin-left: 12px; }
.nav-links a {
  color: var(--text-2); font-size: .95rem; font-weight: 500;
  padding: 8px 12px; border-radius: 7px;
  transition: color .15s var(--ease), background .15s var(--ease);
}
.nav-links a:hover { color: var(--text); background: color-mix(in oklab, var(--text) 6%, transparent); }

.nav-right { display: flex; align-items: center; gap: 10px; margin-left: auto; }

.icon-btn {
  width: 42px; height: 42px; display: inline-grid; place-items: center;
  border-radius: 8px; border: 1px solid var(--border); background: transparent;
  color: var(--text-2); cursor: pointer;
  transition: color .15s var(--ease), border-color .15s var(--ease), background .15s var(--ease);
}
.icon-btn:hover { color: var(--text); border-color: var(--border-strong); }
.icon-btn svg { width: 19px; height: 19px; }

/* Selector de idioma */
.lang { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.lang a { padding: 8px 12px; font-family: var(--font-mono); font-size: .8rem; font-weight: 600; color: var(--text-3); letter-spacing: .04em; }
.lang a[aria-current="true"] { color: var(--text); background: var(--bg-2); }
.lang a:hover { color: var(--text); }

.nav-toggle { display: none; }

/* Menú móvil — oculto por defecto en todos los anchos */
.site-nav-mobile { display: none; }

@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-cta-desktop { display: none; }
  .nav-toggle { display: inline-grid; }

  /* El selector de idioma sale del header y vive en el menú móvil.
     Con él dentro, a ~360px (ancho de muchísimos Android) el header desborda
     y empuja el botón del menú FUERA de la pantalla: el menú se vuelve
     inalcanzable. Ya está en el menú, así que aquí sobra. */
  .nav-right .lang { display: none; }

  /* Sin esto la marca parte en dos líneas y estira el header a 54px. */
  .brand { white-space: nowrap; }

  /* 44×44 es el mínimo táctil (Apple HIG / WCAG). En escritorio 42 va bien
     porque hay ratón; con el dedo, no. */
  .icon-btn { width: 44px; height: 44px; }

  .site-nav-mobile {
    border-top: 1px solid var(--border);
    padding: 16px var(--gutter) 28px;
    background: var(--bg);
  }
  .site-nav-mobile.open { display: block; }
  .site-nav-mobile a { display: block; padding: 12px 4px; color: var(--text); font-weight: 500; border-bottom: 1px solid var(--border); }
  .site-nav-mobile .btn { width: 100%; justify-content: center; margin-top: 18px; }

  /* El idioma, ya dentro del menú. Sin esto quedaría inalcanzable en móvil. */
  .sheet-lang { display: flex; gap: 8px; margin-top: 20px; }
  .sheet-lang a {
    flex: 1; display: inline-flex; align-items: center; justify-content: center;
    min-height: 46px; padding: 10px 16px;         /* objetivo táctil */
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    color: var(--text-2); font-weight: 500;
  }
  .sheet-lang a[aria-current="true"] { border-color: var(--confidence); color: var(--confidence); background: var(--bg-1); }
}

/* Teléfonos estrechos (320–380px): apretar lo justo para que nada desborde. */
@media (max-width: 380px) {
  .nav { gap: 12px; }
  .nav-right { gap: 6px; }
  .brand { font-size: .98rem; gap: 8px; }
  .brand .logo { width: 26px; height: 26px; }
}

/* =========================================================================
   HERO
   ========================================================================= */
.hero { position: relative; padding-top: clamp(56px, 8vw, 104px); padding-bottom: var(--step); overflow: hidden; }

/* Rejilla técnica sutil de fondo (no gradiente-blob) */
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, color-mix(in oklab, var(--text) 4%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in oklab, var(--text) 4%, transparent) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(120% 90% at 78% 8%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(120% 90% at 78% 8%, #000 0%, transparent 72%);
}

.hero .container { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }

.hero-copy { max-width: 40ch; }
.hero h1 {
  font-size: clamp(2.4rem, 5.2vw, 4rem);
  line-height: 1.03;
  margin-top: 22px;
}
.hero h1 .accent { color: var(--confidence); }
.hero-sub { color: var(--text-2); font-size: clamp(1.08rem, 1.6vw, 1.28rem); margin-top: 24px; max-width: 46ch; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-note { display: flex; align-items: center; gap: 8px; margin-top: 22px; color: var(--text-3); font-size: .9rem; font-family: var(--font-mono); }
.hero-note .dot { width: 8px; height: 8px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 0 4px color-mix(in oklab, #22c55e 22%, transparent); flex: none; }

/* Tarjeta del gráfico de pronóstico */
.forecast-card {
  background: linear-gradient(180deg, var(--bg-1), color-mix(in oklab, var(--bg-1) 88%, var(--bg)));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 22px 18px;
  box-shadow: var(--shadow);
}
.forecast-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 8px; }
.forecast-title { font-size: .92rem; font-weight: 600; color: var(--text); }
.forecast-title span { display: block; font-family: var(--font-mono); font-size: .72rem; color: var(--text-3); font-weight: 400; margin-top: 3px; letter-spacing: .02em; }
.forecast-legend { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 12px; }
.forecast-legend li { display: flex; align-items: center; gap: 7px; font-size: .76rem; color: var(--text-2); font-family: var(--font-mono); }
.forecast-legend .swatch { width: 16px; height: 3px; border-radius: 2px; flex: none; }
.forecast-legend .swatch.hist { background: var(--confidence); }
.forecast-legend .swatch.proj { background: repeating-linear-gradient(90deg, var(--data-violet) 0 5px, transparent 5px 9px); }
.forecast-legend .swatch.band { background: color-mix(in oklab, var(--data-violet) 30%, transparent); height: 9px; border-radius: 3px; }
.forecast-svg { width: 100%; height: auto; margin-top: 6px; }
.forecast-foot { font-family: var(--font-mono); font-size: .68rem; color: var(--text-3); margin-top: 10px; letter-spacing: .02em; }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-copy { max-width: 100%; }
  .forecast-card { order: 2; }
}

/* =========================================================================
   CLIENTES / SECTORES
   ========================================================================= */
.clients { padding-block: clamp(48px, 6vw, 72px); border-block: 1px solid var(--border); background: var(--bg-1); }
.clients-lead { font-family: var(--font-mono); font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; color: var(--text-3); text-align: center; margin-bottom: 30px; }
.clients-row { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: clamp(28px, 5vw, 64px); }
.client-logo {
  font-weight: 650; font-size: 1.15rem; letter-spacing: -0.01em;
  color: var(--text-2); opacity: .82;
  filter: saturate(0);
  transition: opacity .2s var(--ease), color .2s var(--ease);
}
.client-logo:hover { opacity: 1; color: var(--text); }
.clients-note { text-align: center; margin-top: 26px; }

/* =========================================================================
   SERVICIOS
   ========================================================================= */
.services { padding-block: var(--step); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service {
  position: relative;
  padding: 26px 24px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-1);
  transition: border-color .2s var(--ease), transform .2s var(--ease), background .2s var(--ease);
}
.service:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.service-idx { font-family: var(--font-mono); font-size: .74rem; color: var(--text-3); letter-spacing: .06em; }
.service-icon { width: 34px; height: 34px; margin: 14px 0 16px; color: var(--confidence); }
.service h3 { font-size: 1.18rem; margin-bottom: 10px; }
.service p { color: var(--text-2); font-size: .98rem; }
.service-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.service-tags span { font-family: var(--font-mono); font-size: .7rem; color: var(--text-3); border: 1px solid var(--border); border-radius: 5px; padding: 3px 8px; }
.service-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; font-size: .9rem; font-weight: 600; color: var(--link); }
.service-link svg { width: 15px; height: 15px; transition: transform .2s var(--ease); }
.service:hover .service-link svg { transform: translateX(3px); }

@media (max-width: 900px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .services-grid { grid-template-columns: 1fr; } }

/* =========================================================================
   PROCESO
   ========================================================================= */
.process { padding-block: var(--step); background: var(--bg-1); border-block: 1px solid var(--border); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step { position: relative; padding-top: 26px; border-top: 2px solid var(--border); }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  position: absolute; top: -1px; left: 0; transform: translateY(-100%);
  font-family: var(--font-mono); font-size: .78rem; color: var(--confidence);
  padding-bottom: 10px; font-weight: 600; letter-spacing: .04em;
}
.step h3 { font-size: 1.1rem; margin-bottom: 8px; }
.step p { color: var(--text-2); font-size: .95rem; }
@media (max-width: 820px) { .steps { grid-template-columns: repeat(2, 1fr); gap: 32px 24px; } }
@media (max-width: 480px) { .steps { grid-template-columns: 1fr; } }

/* =========================================================================
   DIFERENCIAL (banda)
   ========================================================================= */
.diff { padding-block: var(--step); }
.diff-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.diff blockquote { font-size: clamp(1.5rem, 2.8vw, 2.1rem); line-height: 1.25; font-weight: 500; letter-spacing: -0.02em; text-wrap: balance; }
.diff blockquote .hl { color: var(--confidence); }
.diff-list { margin-top: 8px; display: grid; gap: 20px; }
.diff-list li { display: grid; grid-template-columns: 26px 1fr; gap: 14px; }
.diff-list svg { width: 22px; height: 22px; color: var(--confidence); margin-top: 2px; }
.diff-list strong { display: block; margin-bottom: 3px; }
.diff-list p { color: var(--text-2); font-size: .96rem; }
@media (max-width: 820px) { .diff-grid { grid-template-columns: 1fr; gap: 40px; } }

/* =========================================================================
   PRUEBA / TESTIMONIOS (estructura para el cliente)
   ========================================================================= */
.proof { padding-block: var(--step); background: var(--bg-1); border-block: 1px solid var(--border); }
.proof-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.proof-card {
  border: 1px dashed var(--border-strong); border-radius: var(--radius);
  padding: 28px 26px; background: color-mix(in oklab, var(--bg-2) 40%, transparent);
}
.proof-card p { color: var(--text-2); }
.proof-card .who { display: flex; align-items: center; gap: 12px; margin-top: 20px; }
.proof-card .avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--bg-2); border: 1px solid var(--border); flex: none; }
.proof-card .who b { display: block; font-size: .9rem; }
.proof-card .who span { font-size: .82rem; color: var(--text-3); font-family: var(--font-mono); }
@media (max-width: 720px) { .proof-grid { grid-template-columns: 1fr; } }

/* =========================================================================
   FAQ
   ========================================================================= */
.faq { padding-block: var(--step); }
.faq-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.faq-list { border-top: 1px solid var(--border); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q {
  width: 100%; text-align: left; background: none; border: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  padding: 22px 0; font-size: 1.08rem; font-weight: 550; color: var(--text);
}
.faq-q .chev { width: 20px; height: 20px; flex: none; color: var(--text-3); transition: transform .25s var(--ease); }
.faq-item[open] .faq-q .chev, .faq-q[aria-expanded="true"] .chev { transform: rotate(45deg); color: var(--confidence); }
.faq-a { overflow: hidden; }
.faq-a-inner { padding: 0 0 24px; color: var(--text-2); max-width: 62ch; }
@media (max-width: 820px) { .faq-grid { grid-template-columns: 1fr; gap: 28px; } }

/* =========================================================================
   CTA FINAL
   ========================================================================= */
.cta-final { padding-block: var(--step); }
.cta-panel {
  position: relative; overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: clamp(44px, 6vw, 80px) var(--gutter);
  background: var(--bg-1);
  text-align: center;
}
.cta-panel::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(60% 120% at 50% -10%, color-mix(in oklab, var(--brand-blue) 22%, transparent), transparent 60%);
}
.cta-panel > * { position: relative; z-index: 1; }
.cta-panel h2 { font-size: clamp(2rem, 4vw, 3rem); max-width: 20ch; margin-inline: auto; }
.cta-panel p { color: var(--text-2); font-size: 1.15rem; margin: 20px auto 0; max-width: 48ch; }
.cta-panel .hero-actions { justify-content: center; margin-top: 36px; }

/* =========================================================================
   FOOTER
   ========================================================================= */
.site-footer { border-top: 1px solid var(--border); padding-block: clamp(48px, 6vw, 72px) 40px; background: var(--bg); }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 40px 24px; }
.footer-brand p { color: var(--text-2); font-size: .95rem; margin-top: 16px; max-width: 34ch; }
.footer-col h4 { font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; color: var(--text-3); font-family: var(--font-mono); font-weight: 500; margin-bottom: 16px; }
.footer-col ul { display: grid; gap: 11px; }
.footer-col a { color: var(--text-2); font-size: .95rem; }
.footer-col a:hover { color: var(--text); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; margin-top: 48px; padding-top: 26px; border-top: 1px solid var(--border); color: var(--text-3); font-size: .85rem; font-family: var(--font-mono); }
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }

/* =========================================================================
   REVELADO AL SCROLL (progressive — sin JS todo es visible)
   ========================================================================= */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

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

/* =========================================================================
   ==  AÑADIDOS AL SISTEMA  ================================================
   Todo lo de arriba es el sistema visual entregado por diseño.
   Debajo van los componentes que necesitan las otras 19 páginas
   (servicios, nosotros, contacto, privacidad) y que la home no usa.
   Mismos tokens, mismo lenguaje. No se toca nada de arriba.
   ========================================================================= */

/* ---------- Accesibilidad ---------- */
.skip-link {
  position: fixed; top: -100px; left: 16px; z-index: 999;
  background: var(--text); color: var(--bg);
  padding: 12px 18px; border-radius: var(--radius-sm); font-weight: 600;
  transition: top .25s var(--ease);
}
.skip-link:focus { top: 16px; color: var(--bg); }

/* El logo necesita 44px de alto táctil aunque el SVG mida 30px. */
.brand { min-height: 44px; }

/* ---------- Breadcrumbs ---------- */
.crumbs { padding-top: 28px; }
.crumbs ol { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: .82rem; font-family: var(--font-mono); color: var(--text-3); }
.crumbs li + li::before { content: "/"; margin-right: 8px; opacity: .45; }
.crumbs a { color: var(--text-3); }
.crumbs a:hover { color: var(--link); }
.crumbs [aria-current] { color: var(--text-2); }

/* ---------- Hero de páginas interiores ---------- */
.page-hero { position: relative; padding-top: clamp(40px, 5vw, 64px); padding-bottom: clamp(40px, 5vw, 72px); overflow: hidden; }
.page-hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, color-mix(in oklab, var(--text) 4%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in oklab, var(--text) 4%, transparent) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(110% 90% at 70% 0%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(110% 90% at 70% 0%, #000 0%, transparent 70%);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(2.1rem, 4.4vw, 3.2rem); margin-top: 18px; max-width: 20ch; }
.page-hero .lede { color: var(--text-2); font-size: clamp(1.05rem, 1.5vw, 1.22rem); margin-top: 20px; max-width: 54ch; }
.page-hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(32px, 5vw, 64px); align-items: start; }
@media (max-width: 900px) { .page-hero-grid { grid-template-columns: 1fr; gap: 36px; } }

/* ---------- Caja "qué incluye" (páginas de servicio) ---------- */
.includes {
  background: var(--bg-1); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 26px 24px;
}
.includes h2 { font-family: var(--font-mono); font-size: .76rem; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: var(--text-3); margin-bottom: 18px; }
.includes ul { display: grid; gap: 14px; }
.includes li { display: grid; grid-template-columns: 20px 1fr; gap: 12px; font-size: .95rem; color: var(--text-2); }
.includes svg { width: 17px; height: 17px; color: var(--confidence); margin-top: 4px; }

/* ---------- Señales (páginas de servicio) ---------- */
.signals { padding-block: var(--step); }
.signals-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.signal {
  padding: 24px; background: var(--bg-1);
  border: 1px solid var(--border); border-left: 2px solid var(--data-violet);
  border-radius: var(--radius);
}
.signal p { color: var(--text-2); font-size: .98rem; }
@media (max-width: 860px) { .signals-grid { grid-template-columns: 1fr; } }

/* ---------- Prosa (nosotros, privacidad) ---------- */
.prose { max-width: 68ch; }
.prose h2 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); margin: 44px 0 16px; }
.prose h2:first-child { margin-top: 0; }
.prose p { color: var(--text-2); margin-bottom: 16px; }
.prose a { color: var(--link); text-decoration: underline; text-underline-offset: 3px; }
.prose-list { display: grid; gap: 16px; margin-bottom: 16px; }
.prose-list li { display: grid; grid-template-columns: 20px 1fr; gap: 12px; color: var(--text-2); }
.prose-list li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--confidence); margin-top: 10px; }
.prose-list strong { color: var(--text); }
.note {
  margin-top: 40px; padding: 22px 24px;
  border: 1px dashed var(--border-strong); border-radius: var(--radius);
  background: color-mix(in oklab, var(--bg-2) 40%, transparent);
}
.note p { font-size: .92rem; margin: 0; }
.note code { font-family: var(--font-mono); font-size: .86em; color: var(--link); }

/* ---------- Contacto ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr .9fr; gap: clamp(32px, 5vw, 64px); align-items: start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; gap: 40px; } }
.channels { display: grid; gap: 12px; margin-top: 32px; }
.channels a {
  display: flex; align-items: center; gap: 14px;
  padding: 18px 20px; min-height: 68px;
  background: var(--bg-1); border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text); transition: border-color .2s var(--ease), transform .2s var(--ease);
}
.channels a:hover { border-color: var(--border-strong); transform: translateY(-2px); color: var(--text); }
.channels svg { width: 21px; height: 21px; color: var(--confidence); flex: none; }
.channels b { display: block; font-size: .98rem; font-weight: 600; }
.channels span { display: block; }
.channels em { font-style: normal; font-size: .85rem; color: var(--text-3); font-family: var(--font-mono); }
.contact-meta { margin-top: 26px; font-family: var(--font-mono); font-size: .82rem; color: var(--text-3); }

/* ---------- Formulario ---------- */
.form { background: var(--bg-1); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 30px 28px; }
.form h2 { font-size: 1.25rem; }
.form-sub { color: var(--text-3); font-size: .86rem; margin: 8px 0 26px; }
.field { display: grid; gap: 7px; margin-bottom: 18px; }
/* Etiqueta siempre visible: el placeholder nunca hace de etiqueta. */
.field label { font-size: .82rem; font-weight: 500; color: var(--text-2); }
.field .opt { color: var(--text-3); font-weight: 400; }
.field input, .field textarea {
  width: 100%; padding: 12px 14px; min-height: 46px;
  background: var(--bg-inset); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text); font-size: .96rem;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field textarea { min-height: 110px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--text-3); opacity: .75; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--brand-blue); box-shadow: 0 0 0 3px color-mix(in oklab, var(--brand-blue) 22%, transparent); }
.field input:user-invalid, .field textarea:user-invalid { border-color: #f87171; }
/* Honeypot anti-spam: fuera de pantalla pero no display:none (los bots lo detectan). */
.hp { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.form .btn { width: 100%; justify-content: center; margin-top: 10px; }

/* ---------- Rejilla de 3 (otros servicios) ---------- */
.services-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .services-grid.cols-3 { grid-template-columns: 1fr; } }

/* ---------- Ajustes del tema claro ---------- */
/* La sombra del CTA primario está calibrada para fondo oscuro; en claro pesa. */
[data-theme="light"] .btn-primary { box-shadow: 0 1px 0 rgba(255,255,255,.4) inset, 0 6px 18px -6px rgba(59,130,246,.45); }
[data-theme="light"] .forecast-card { background: var(--bg); }
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) .btn-primary { box-shadow: 0 1px 0 rgba(255,255,255,.4) inset, 0 6px 18px -6px rgba(59,130,246,.45); }
  :root:not([data-theme]) .forecast-card { background: var(--bg); }
}

/* =========================================================================
   BLOG
   ========================================================================= */

/* ---------- Índice ---------- */
.post-list { display: grid; gap: 18px; max-width: 760px; }
.post-card {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--bg-1);
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}
.post-card:hover { border-color: var(--border-strong); transform: translateY(-2px); }
/* Toda la tarjeta es el enlace: objetivo grande y un solo destino. */
.post-card > a { display: block; padding: 26px 24px; color: var(--text); }
.post-card > a:hover { color: var(--text); }
.post-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: .76rem; color: var(--text-3);
}
.post-card h2 { font-size: 1.35rem; margin: 12px 0 10px; }
.post-card p { color: var(--text-2); font-size: .98rem; }
.post-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.post-tags span {
  font-family: var(--font-mono); font-size: .7rem; color: var(--text-3);
  border: 1px solid var(--border); border-radius: 5px; padding: 3px 8px;
}

/* ---------- Artículo ---------- */
.post-head {
  position: relative; overflow: hidden;
  padding-top: clamp(36px, 4vw, 56px); padding-bottom: clamp(28px, 3vw, 40px);
}
.post-head::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, color-mix(in oklab, var(--text) 4%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in oklab, var(--text) 4%, transparent) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(100% 90% at 60% 0%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(100% 90% at 60% 0%, #000 0%, transparent 70%);
}
.post-head .container { position: relative; z-index: 1; max-width: 760px; }
.post-head h1 { font-size: clamp(2rem, 4vw, 2.9rem); margin-top: 16px; max-width: 22ch; }
.post-head .lede { color: var(--text-2); font-size: clamp(1.05rem, 1.5vw, 1.2rem); margin-top: 18px; max-width: 58ch; }
.post-byline {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  margin-top: 26px; padding-top: 20px; border-top: 1px solid var(--border);
  font-family: var(--font-mono); font-size: .8rem; color: var(--text-3);
}
.post-byline strong { color: var(--text-2); font-weight: 500; }
.post-onelang { margin-top: 18px; }

/* ---------- Cuerpo del artículo ----------
   65ch es el ancho de lectura cómodo. Más ancho cansa; más estrecho pica. */
.post-body { max-width: 68ch; margin-inline: auto; padding-block: clamp(28px, 4vw, 44px); }
.post-body > * + * { margin-top: 22px; }
.post-body p { color: var(--text-2); font-size: 1.06rem; line-height: 1.72; }
.post-body h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.8rem); color: var(--text);
  margin-top: 48px; scroll-margin-top: 90px;
}
.post-body h3 { font-size: 1.2rem; margin-top: 34px; scroll-margin-top: 90px; }
.post-body strong { color: var(--text); font-weight: 600; }
.post-body a { color: var(--link); text-decoration: underline; text-underline-offset: 3px; }
.post-body ul, .post-body ol { display: grid; gap: 12px; padding-left: 4px; }
.post-body li { color: var(--text-2); font-size: 1.04rem; line-height: 1.65; padding-left: 22px; position: relative; }
.post-body ul li::before {
  content: ""; position: absolute; left: 2px; top: 11px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--confidence);
}
.post-body ol { counter-reset: n; }
.post-body ol li { counter-increment: n; }
.post-body ol li::before {
  content: counter(n) "."; position: absolute; left: 0; top: 0;
  font-family: var(--font-mono); font-size: .85rem; color: var(--confidence); font-weight: 600;
}
.post-body blockquote {
  border-left: 2px solid var(--confidence); padding: 4px 0 4px 22px;
  margin-block: 32px;
}
.post-body blockquote p { font-size: 1.15rem; color: var(--text); font-weight: 500; }
.post-body code {
  font-family: var(--font-mono); font-size: .88em;
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 5px; padding: 2px 6px; color: var(--text);
}
.post-body pre {
  background: var(--bg-inset); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 20px;
  overflow-x: auto;   /* el código nunca desborda la página */
}
.post-body pre code { background: none; border: 0; padding: 0; font-size: .88rem; line-height: 1.6; }
.post-body hr { border: 0; border-top: 1px solid var(--border); margin-block: 40px; }

/* ---------- Servicios relacionados ---------- */
.post-related { padding-block: clamp(36px, 5vw, 56px); border-top: 1px solid var(--border); }
.post-related h2 {
  font-family: var(--font-mono); font-size: .76rem; font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase; color: var(--text-3);
  margin-bottom: 22px;
}