/* Componentes DATAXIA. Solo variables --dx-* (definidas en tokens.css). */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0; background: var(--dx-paper); color: var(--dx-ink);
  font: 400 var(--dx-fs-body)/1.6 var(--dx-font-body); -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: var(--dx-teal-ink); }
h1, h2, h3 { font-family: var(--dx-font-display); font-weight: 800; letter-spacing: -.025em; line-height: 1.02; margin: 0 0 .5em; text-wrap: balance; }
h2 { font-size: var(--dx-fs-h2); }
h3 { font-size: var(--dx-fs-h3); letter-spacing: -.015em; line-height: 1.1; }
p { text-wrap: pretty; }
:focus-visible { outline: 2px solid var(--dx-teal); outline-offset: 3px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.container { width: 100%; max-width: var(--dx-max-width); margin: 0 auto; padding: 0 var(--dx-gutter); }
.narrow { max-width: 820px; }
.ac { color: var(--dx-teal); }
.muted { color: var(--dx-ink-dim); }

/* Eyebrow mono con punto */
.eye {
  display: flex; align-items: center; gap: .7rem; margin: 0 0 1.25rem;
  font: 500 var(--dx-fs-eyebrow) var(--dx-font-mono); letter-spacing: .22em; text-transform: uppercase; color: var(--dx-teal-ink);
}
.eye::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; flex: none; }

/* Secciones oscuras */
.dark { background: var(--dx-navy-deep); color: var(--dx-on-dark); position: relative; overflow: hidden; }
.dark .eye, .dark .ac, .dark a { color: var(--dx-teal-2); }
.dark .muted { color: var(--dx-on-dark-dim); }
.grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(to right, var(--dx-line-dark) 1px, transparent 1px),
                    linear-gradient(to bottom, var(--dx-line-dark) 1px, transparent 1px);
  background-size: 80px 80px;
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
          mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}
.glow {
  position: absolute; right: -15%; top: 50%; transform: translateY(-50%); pointer-events: none;
  width: min(900px, 110vw); aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, color-mix(in srgb, var(--dx-teal-2) 28%, transparent),
              color-mix(in srgb, var(--dx-teal) 6%, transparent) 45%, transparent 70%);
}
.rings { position: absolute; right: -20%; top: 50%; transform: translateY(-50%); width: min(1100px, 130vw); aspect-ratio: 1; pointer-events: none; }
.rings::before, .rings::after { content: ""; position: absolute; inset: 0; border: 1px solid var(--dx-line-dark); border-radius: 50%; }
.rings::after { inset: 11%; border-color: color-mix(in srgb, var(--dx-teal-2) 18%, transparent); }

/* Logo oficial (assets/logo-dataxia-white.svg): monocromo, toma el color del texto */
.logo { display: inline-flex; align-items: center; text-decoration: none; color: var(--dx-navy); }
.on-dark .logo, .dark .logo { color: var(--dx-on-dark); }
.logo-svg { display: block; height: 48px; width: 165px; }
.pbi-mark { width: 64px; height: 64px; color: var(--dx-teal-2); }

/* Botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .9rem 1.5rem; border-radius: 999px; border: 1px solid transparent;
  font: 700 1rem var(--dx-font-display); text-decoration: none; cursor: pointer; transition: transform .15s, background .15s, border-color .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--dx-navy); color: var(--dx-on-dark); }
.btn-primary:hover { background: var(--dx-navy-2); }
.dark .btn-primary, .on-dark .btn-primary { background: var(--dx-teal-2); color: var(--dx-navy-deep); }
.dark .btn-primary:hover, .on-dark .btn-primary:hover { background: var(--dx-teal); }
.btn-ghost { background: transparent; color: inherit; border-color: var(--dx-line-strong); }
.dark .btn-ghost { border-color: rgba(255,255,255,.25); color: var(--dx-on-dark); }
.btn-ghost:hover { border-color: var(--dx-teal-2); }
.btn-sm { padding: .55rem 1.1rem; font-size: .9rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: wait; transform: none; }

/* Cabecera */
.site-header { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--dx-navy-deep) 92%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--dx-line-dark); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.menu { display: flex; align-items: center; gap: 1.75rem; }
.menu a:not(.btn) { color: var(--dx-on-dark-dim); text-decoration: none; font-weight: 500; font-size: .95rem; }
.menu a:not(.btn):hover { color: var(--dx-on-dark); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; margin: 5px 0; background: var(--dx-on-dark); }
@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .menu { position: absolute; top: 72px; left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 1rem;
    padding: 1.25rem var(--dx-gutter) 1.5rem; background: var(--dx-navy-deep); border-bottom: 1px solid var(--dx-line-dark); }
  .menu.open { display: flex; }
}

/* Hero */
.hero { padding: clamp(96px, 14vw, 180px) 0 clamp(72px, 10vw, 120px); }
.hero .container { position: relative; }
.hero h1 { font-size: var(--dx-fs-hero); font-weight: 900; line-height: .9; letter-spacing: -.04em; margin: 0; }
.hero .lead { margin: 2rem 0 0; font-size: clamp(1.1rem, 2vw, 1.5rem); font-weight: 300; line-height: 1.4; color: var(--dx-on-dark-dim); max-width: 46ch; }
.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2.5rem; }
.facts { list-style: none; padding: 0; margin: clamp(56px, 8vw, 96px) 0 0; display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--dx-line-dark); }
.facts li { padding: 1.5rem 1.5rem 0 0; }
.facts li + li { padding-left: 1.5rem; border-left: 1px solid var(--dx-line-dark); }
.facts strong { display: block; font: 800 clamp(1.8rem, 3.5vw, 2.6rem)/1 var(--dx-font-display); letter-spacing: -.02em; }
.facts strong span { font-size: .45em; color: var(--dx-teal-2); margin-left: .3em; letter-spacing: .05em; }
.facts em { display: block; margin-top: .5rem; font: 500 .72rem var(--dx-font-mono); font-style: normal; letter-spacing: .15em; text-transform: uppercase; color: var(--dx-on-dark-dim); }
@media (max-width: 640px) { .facts { grid-template-columns: 1fr; } .facts li + li { padding-left: 0; border-left: 0; border-top: 1px solid var(--dx-line-dark); } .facts li { padding-bottom: 1.25rem; } }

/* Manifiesto */
.manifesto { padding: var(--dx-section-y) 0; }
.manifesto p { position: relative; font: 700 clamp(1.8rem, 4.6vw, 3.6rem)/1.08 var(--dx-font-display); letter-spacing: -.025em; margin: 0; max-width: 22ch; }
.manifesto .attr { display: block; margin-top: 2rem; font: 500 .8rem var(--dx-font-mono); letter-spacing: .2em; color: var(--dx-on-dark-dim); position: relative; }

/* Secciones claras */
.section { padding: var(--dx-section-y) 0; }
.section-alt { background: var(--dx-white); border-block: 1px solid var(--dx-line); }
.section-head { max-width: 760px; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head p { font-size: 1.15rem; font-weight: 300; }

/* Capacidades (rejilla con líneas, estilo deck) */
.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--dx-line); }
.cap { padding: 2rem 2rem 2.25rem 0; border-bottom: 1px solid var(--dx-line); }
.cap:not(:nth-child(3n)) { border-right: 1px solid var(--dx-line); }
.cap:not(:nth-child(3n+1)) { padding-left: 2rem; }
.num { font: 500 .75rem var(--dx-font-mono); letter-spacing: .15em; color: var(--dx-teal-ink); }
.cap h3 { margin: 1rem 0 .75rem; color: var(--dx-navy); }
.cap p { margin: 0; color: var(--dx-ink-dim); }
.chip-tag { margin-top: 1rem; font: 500 .7rem var(--dx-font-mono); letter-spacing: .15em; text-transform: uppercase; color: var(--dx-teal-ink); }
@media (max-width: 900px) {
  .cap-grid { grid-template-columns: 1fr 1fr; }
  .cap:nth-child(n) { border-right: 0; padding-left: 0; }
  .cap:nth-child(odd) { border-right: 1px solid var(--dx-line); }
  .cap:nth-child(even) { padding-left: 1.5rem; }
}
@media (max-width: 600px) { .cap-grid { grid-template-columns: 1fr; } .cap:nth-child(n) { border-right: 0; padding-left: 0; } }

/* Demo Power BI */
.pbi-frame { position: relative; aspect-ratio: 16 / 9.4; width: 100%; border-radius: var(--dx-radius); overflow: hidden;
  border: 1px solid var(--dx-line-dark); background: var(--dx-navy); box-shadow: 0 30px 80px rgba(0,0,0,.35); }
.pbi-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.pbi-placeholder { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 1.25rem; padding: 1.5rem; text-align: center; color: var(--dx-on-dark-dim); }
.pbi-note { margin-top: 1.25rem; font: 500 .72rem var(--dx-font-mono); letter-spacing: .15em; text-transform: uppercase; color: var(--dx-on-dark-dim); text-align: center; }
@media (max-width: 600px) { .pbi-frame { aspect-ratio: 3 / 4; } }

/* Metodología */
.phases { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--dx-line); }
.phase { padding: 2.25rem 1.75rem 0 0; }
.phase + .phase { padding-left: 1.75rem; border-left: 1px solid var(--dx-line); }
.phase h3 { margin: .9rem 0 .5rem; font-size: 1.9rem; color: var(--dx-navy); }
.dur { font: 500 .72rem var(--dx-font-mono); letter-spacing: .15em; text-transform: uppercase; color: var(--dx-ink-dim); margin-bottom: 1.25rem; }
.dash-list { list-style: none; margin: 0; padding: 0; color: var(--dx-ink-dim); }
.dash-list li { position: relative; padding-left: 1.1rem; margin-bottom: .5rem; }
.dash-list li::before { content: ""; position: absolute; left: 0; top: .8em; width: 8px; height: 1px; background: var(--dx-teal); }
@media (max-width: 900px) {
  .phases { grid-template-columns: 1fr 1fr; row-gap: 2rem; }
  .phase:nth-child(odd) { padding-left: 0; border-left: 0; }
}
@media (max-width: 560px) { .phases { grid-template-columns: 1fr; } .phase:nth-child(n) { padding-left: 0; border-left: 0; } }

/* Modelos de engagement */
.pkg-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.pkg { background: var(--dx-white); border: 1px solid var(--dx-line); border-radius: var(--dx-radius); padding: 2.25rem 2rem; display: flex; flex-direction: column; gap: 1rem; }
.section-alt .pkg { background: var(--dx-paper); }
.pkg.featured { background: var(--dx-navy); border-color: var(--dx-navy); color: var(--dx-on-dark); }
.pkg .num { margin: 0; }
.pkg.featured .num { color: var(--dx-teal-2); }
.pkg h3 { font-size: 2.2rem; line-height: 1; margin: 0; color: var(--dx-navy); }
.pkg.featured h3 { color: var(--dx-on-dark); }
.pkg .dur { margin: 0; }
.pkg.featured .dur { color: var(--dx-on-dark-dim); }
.pkg > p { margin: 0; color: var(--dx-ink-dim); }
.pkg.featured > p { color: var(--dx-on-dark-body); }
.check-list { list-style: none; margin: .25rem 0 0; padding: 1.25rem 0 0; border-top: 1px solid var(--dx-line); }
.pkg.featured .check-list { border-top-color: var(--dx-line-dark); }
.check-list li { position: relative; padding: .45rem 0 .45rem 1.5rem; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--dx-teal-ink); font-weight: 700; }
.pkg.featured .check-list li::before { color: var(--dx-teal-2); }
.pkg .btn { margin-top: auto; }
.pkg.featured .btn-primary { background: var(--dx-teal-2); color: var(--dx-navy-deep); }
.pkg.featured .btn-primary:hover { background: var(--dx-teal); }
@media (max-width: 900px) { .pkg-grid { grid-template-columns: 1fr; } }

/* Stack */
.stack { position: relative; display: grid; grid-template-columns: 200px 1fr; }
.stack dt, .stack dd { margin: 0; padding: 1.4rem 0; border-top: 1px solid var(--dx-line-dark); }
.stack dt { font: 500 .8rem var(--dx-font-mono); letter-spacing: .2em; text-transform: uppercase; color: var(--dx-teal-2); display: flex; align-items: center; }
.stack dd { display: flex; flex-wrap: wrap; gap: .6rem; }
.pill { font: 400 .85rem var(--dx-font-mono); padding: .45rem 1rem; border: 1px solid rgba(255,255,255,.18); border-radius: 999px; }
.pill.featured { border-color: var(--dx-teal-2); color: var(--dx-teal-2); }
@media (max-width: 640px) { .stack { grid-template-columns: 1fr; } .stack dd { border-top: 0; padding-top: 0; } }

/* Contacto / formulario */
.contact-grid { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.contact-big { font: 900 clamp(2.6rem, 6vw, 5rem)/.95 var(--dx-font-display); letter-spacing: -.035em; margin: 0 0 1.5rem; }
.contact-points { list-style: none; padding: 0; margin: 2rem 0 0; border-top: 1px solid var(--dx-line-dark); }
.contact-points li { padding: 1rem 0; border-bottom: 1px solid var(--dx-line-dark); display: grid; grid-template-columns: 2.5rem 1fr; color: var(--dx-on-dark-body); }
.contact-points li span { font: 500 .75rem var(--dx-font-mono); color: var(--dx-teal-2); letter-spacing: .15em; padding-top: .2rem; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

.form { background: var(--dx-white); color: var(--dx-ink); border-radius: var(--dx-radius); padding: clamp(1.5rem, 3vw, 2.25rem); box-shadow: 0 30px 80px rgba(0,0,0,.35); }
.form h3 { color: var(--dx-navy); margin-bottom: 1.25rem; }
.field { display: flex; flex-direction: column; gap: .35rem; margin-bottom: 1rem; flex: 1; min-width: 0; }
.field-row { display: flex; gap: 1rem; }
@media (max-width: 520px) { .field-row { flex-direction: column; gap: 0; } }
.field label { font: 500 .7rem var(--dx-font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--dx-ink-dim); }
.field input, .field select, .field textarea {
  width: 100%; padding: .75rem .9rem; border-radius: var(--dx-radius-sm); border: 1px solid var(--dx-line-strong);
  background: var(--dx-paper); color: var(--dx-ink); font: inherit;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--dx-teal); box-shadow: 0 0 0 3px color-mix(in srgb, var(--dx-teal) 20%, transparent); }
.field .is-invalid, .consent .is-invalid { border-color: var(--dx-danger); outline: 1px solid var(--dx-danger); }
.consent { display: flex; gap: .6rem; align-items: flex-start; font-size: var(--dx-fs-small); color: var(--dx-ink-dim); margin: .5rem 0 1.25rem; }
.consent input { margin-top: .2rem; accent-color: var(--dx-teal); }
.consent a { color: var(--dx-teal-ink); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form .btn-primary { background: var(--dx-navy); color: var(--dx-on-dark); }
.form .btn-primary:hover { background: var(--dx-navy-2); }
.form-status { min-height: 1.5em; margin: .75rem 0 0; font-size: var(--dx-fs-small); }
.form-status.ok { color: var(--dx-teal-ink); font-weight: 600; }
.form-status.error { color: var(--dx-danger); }

/* FAQ */
details { border-bottom: 1px solid var(--dx-line); padding: 1.25rem 0; }
details:first-of-type { border-top: 1px solid var(--dx-line); }
summary { cursor: pointer; font: 700 1.2rem var(--dx-font-display); color: var(--dx-navy); list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--dx-teal-ink); font-family: var(--dx-font-mono); }
details[open] summary::after { content: "−"; }
details p { color: var(--dx-ink-dim); margin: .75rem 0 0; }

/* Pie */
.site-footer { background: var(--dx-navy-deep); color: var(--dx-on-dark-dim); padding: 4rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 2rem; }
.footer-grid h4 { margin: 0 0 1rem; font: 500 .72rem var(--dx-font-mono); letter-spacing: .2em; text-transform: uppercase; color: var(--dx-teal-2); }
.footer-grid p { margin: .4rem 0; }
.site-footer a:not(.logo) { color: var(--dx-on-dark-dim); text-decoration: none; }
.site-footer a:not(.logo):hover { color: var(--dx-on-dark); }
.copy { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--dx-line-dark); display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem;
  font: 500 .72rem var(--dx-font-mono); letter-spacing: .15em; text-transform: uppercase; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; } }

/* Acceso clientes (clientes.html) */
.portal-body { background: var(--dx-navy-deep); }
.portal { min-height: calc(100vh - 72px); padding: clamp(56px, 9vw, 112px) 0 3rem; }
.portal-grid { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }
@media (max-width: 900px) { .portal-grid { grid-template-columns: 1fr; } }
.portal-title { font: 900 clamp(2.4rem, 5.5vw, 4.4rem)/.95 var(--dx-font-display); letter-spacing: -.035em; margin: 0 0 1.25rem; }
.portal-lead { font-size: 1.15rem; font-weight: 300; max-width: 44ch; }
.portal-back { color: var(--dx-on-dark); border-color: rgba(255,255,255,.25); }
.portal-card { width: 100%; max-width: 460px; justify-self: end; }
@media (max-width: 900px) { .portal-card { justify-self: stretch; max-width: none; } }
.portal-card-title { font-size: 1.8rem; color: var(--dx-navy); margin-bottom: 1.25rem; }
.btn-ms { background: var(--dx-white); color: #2F2F2F; border: 1px solid #8C8C8C; border-radius: var(--dx-radius-sm);
  font: 600 1rem "Segoe UI", var(--dx-font-body); }
.btn-ms:hover { background: #F3F3F3; transform: none; }
.portal-safe { display: flex; gap: .5rem; align-items: flex-start; margin: 1.25rem 0 0; font-size: .8rem; line-height: 1.5; color: var(--dx-ink-dim); }
.portal-safe svg { flex: none; margin-top: .2rem; color: var(--dx-teal-ink); }
.portal-who { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; margin: 0;
  font: 800 1.5rem var(--dx-font-display); color: var(--dx-navy); }
.portal-email { margin: .25rem 0 1.25rem; font: 400 .85rem var(--dx-font-mono); color: var(--dx-ink-dim); word-break: break-all; }
.link-btn { background: none; border: 0; padding: 0; cursor: pointer; font: 500 .8rem var(--dx-font-body); color: var(--dx-teal-ink); text-decoration: underline; white-space: nowrap; }
.portal-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .75rem; }
.portal-link { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1.1rem;
  border: 1px solid var(--dx-line-strong); border-radius: var(--dx-radius-sm); background: var(--dx-paper);
  color: var(--dx-ink); text-decoration: none; transition: border-color .15s, transform .15s; }
.portal-link:hover { border-color: var(--dx-teal); transform: translateY(-1px); }
.portal-link-text { display: flex; flex-direction: column; gap: .15rem; }
.portal-link-text strong { font: 800 1.15rem var(--dx-font-display); color: var(--dx-navy); }
.portal-link-detail { font-size: .85rem; color: var(--dx-ink-dim); }
.portal-arrow { font-size: 1.3rem; color: var(--dx-teal-ink); }
.portal-foot { position: relative; margin-top: 3rem; }

/* Página legal */
.legal { padding: 3rem 0 var(--dx-section-y); }
.legal h1 { font-size: var(--dx-fs-h2); }
.legal h2 { font-size: 1.4rem; margin-top: 2rem; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }