/* ============================================================
   Componentes del sitio A2 Big Data
   ============================================================ */

/* ---------- Site Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--bg) 85%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 68px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--fg);
}
.brand__mark {
  width: 28px; height: 28px;
  flex-shrink: 0;
}
.brand__name { font-weight: 700; }
.brand__name em { font-style: normal; color: var(--accent); font-weight: 700;}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav a {
  font-size: var(--fs-sm);
  padding: 8px 14px;
  color: var(--fg-muted);
  transition: color var(--t) var(--ease);
  position: relative;
}
.nav a:hover { color: var(--fg); }
.nav a.is-active { color: var(--fg); }

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.theme-toggle {
  width: 38px; height: 38px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--fg);
  cursor: pointer;
  display: inline-flex;
  align-items: center; justify-content: center;
  transition: background var(--t) var(--ease), border-color var(--t) var(--ease);
}
.theme-toggle:hover { background: var(--bg-elev); border-color: var(--border-strong); }
.theme-toggle svg { width: 16px; height: 16px; }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-sun { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: none; }
}

.menu-toggle {
  display: none;
  width: 38px; height: 38px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--fg);
  cursor: pointer;
  align-items: center; justify-content: center;
}

@media (max-width: 900px) {
  .nav { display: none; }
  .menu-toggle { display: inline-flex; }
  .nav.is-open {
    display: flex;
    position: fixed;
    inset: 68px 0 0 0;
    background: var(--bg);
    flex-direction: column;
    align-items: stretch;
    padding: 24px var(--gutter);
    gap: 4px;
    border-top: 1px solid var(--border);
  }
  .nav.is-open a {
    font-size: var(--fs-lg);
    padding: 14px 0;
    border-bottom: 1px solid var(--rule-soft);
  }
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  padding-top: clamp(48px, 7vw, 96px);
  padding-bottom: clamp(64px, 9vw, 128px);
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.hero__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: clamp(40px, 6vw, 72px);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fg-faint);
}
.hero__meta-group { display: inline-flex; gap: 18px; flex-wrap: wrap;}
.hero__title {
  font-size: var(--fs-3xl);
  line-height: 0.98;
  letter-spacing: -0.038em;
  font-weight: 500;
  text-wrap: balance;
}
.hero__title .word-accent {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}
.hero__sub {
  margin-top: 28px;
  font-size: var(--fs-md);
  color: var(--fg-muted);
  max-width: 48ch;
  line-height: 1.45;
}
.hero__cta {
  margin-top: 36px;
  display: flex; gap: 12px; flex-wrap: wrap;
}
.hero__figure {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 560px;
  margin-left: auto;
}
.hero__figure svg { width: 100%; height: 100%; }
.hero__caption {
  position: absolute;
  bottom: -32px;
  left: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-faint);
}

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__figure { max-width: 420px; margin: 0 auto;}
}

/* ---------- Capacidades ---------- */
.caps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}
.cap {
  padding: clamp(28px, 3vw, 40px);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: relative;
  transition: background var(--t) var(--ease);
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: 340px;
}
.cap:hover { background: var(--bg-elev); }
.cap__num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--fg-faint);
  letter-spacing: 0.08em;
}
.cap__glyph {
  width: 76px; height: 76px;
  color: var(--fg);
}
.cap__glyph svg { width: 100%; height: 100%; }
.cap h3 {
  font-size: var(--fs-lg);
  letter-spacing: -0.02em;
  font-weight: 500;
}
.cap p { font-size: var(--fs-sm); line-height: 1.55; flex-grow: 1;}
.cap__tags {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: auto;
}
.cap__tags span {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 9px;
  border: 1px solid var(--border);
  color: var(--fg-muted);
  border-radius: 999px;
}
.cap__link {
  position: absolute;
  inset: 0;
  text-indent: -9999px;
  overflow: hidden;
}

@media (max-width: 980px) { .caps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .caps { grid-template-columns: 1fr; } }

/* ---------- Proceso ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.step {
  padding: 28px 24px 28px 0;
  border-top: 1px solid var(--fg);
  position: relative;
}
.step__num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--fg-faint);
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}
.step h4 {
  font-size: var(--fs-lg);
  margin-bottom: 12px;
  font-weight: 500;
}
.step p { font-size: var(--fs-sm); color: var(--fg-muted); }
@media (max-width: 900px) {
  .process { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .process { grid-template-columns: 1fr; }
}

/* ---------- Evidencia (stats) ---------- */
.evidence {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.stat {
  padding: clamp(28px, 3.5vw, 48px);
  background: var(--bg);
  display: flex; flex-direction: column; gap: 10px;
  min-height: 220px;
}
.stat__n {
  font-family: var(--font-sans);
  font-size: clamp(48px, 5vw, 84px);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--fg);
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.stat__n .unit {
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  font-weight: 400;
  color: var(--accent);
  letter-spacing: 0;
}
.stat__label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  margin-top: auto;
  max-width: 28ch;
}
.stat__cite {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-faint);
  letter-spacing: 0.1em;
}

@media (max-width: 980px) { .evidence { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .evidence { grid-template-columns: 1fr; } }

/* ---------- Sectores ---------- */
.sectors {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0;
}
.sector {
  display: contents;
}
.sector > * {
  padding: 24px 0;
  border-top: 1px solid var(--border);
  align-self: center;
}
.sector:last-child > * { border-bottom: 1px solid var(--border); }
.sector__id {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--fg-faint);
  letter-spacing: 0.1em;
  padding-right: 40px;
  white-space: nowrap;
}
.sector__name {
  font-size: var(--fs-lg);
  font-weight: 500;
  letter-spacing: -0.01em;
}
.sector__desc {
  padding-left: 40px;
  color: var(--fg-muted);
  font-size: var(--fs-sm);
  text-align: right;
  max-width: 500px;
  justify-self: end;
}
.sector:hover .sector__name { color: var(--accent); }

@media (max-width: 760px) {
  .sectors { grid-template-columns: 1fr; }
  .sector__id { padding-right: 0; padding-bottom: 4px; }
  .sector__name { padding-top: 0; border-top: 0 !important; padding-bottom: 8px; }
  .sector__desc { padding-left: 0; text-align: left; border-top: 0 !important; padding-top: 0; }
  .sector > * { padding: 16px 0; }
  .sector:first-child .sector__id { border-top: 1px solid var(--border); padding-top: 20px;}
}

/* ---------- FAQ ---------- */
.faq-list { border-top: 1px solid var(--border);}
.faq {
  border-bottom: 1px solid var(--border);
}
.faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  padding: 28px 0;
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  font-weight: 500;
  color: var(--fg);
  background: transparent;
  border: 0;
  cursor: pointer;
  text-align: left;
  letter-spacing: -0.01em;
}
.faq__q-num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--fg-faint);
  letter-spacing: 0.08em;
  margin-right: 18px;
}
.faq__icon {
  flex-shrink: 0;
  width: 16px; height: 16px;
  position: relative;
}
.faq__icon::before, .faq__icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  transition: transform var(--t) var(--ease);
}
.faq__icon::before { left: 0; right: 0; top: 50%; height: 1px; }
.faq__icon::after { top: 0; bottom: 0; left: 50%; width: 1px; }
.faq.is-open .faq__icon::after { transform: scaleY(0); }
.faq__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 400ms var(--ease);
}
.faq__a-inner {
  padding: 0 0 28px 54px;
  max-width: 72ch;
  color: var(--fg-muted);
  font-size: var(--fs-sm);
  line-height: 1.6;
}
.faq.is-open .faq__a { max-height: 400px; }
@media (max-width: 600px) { .faq__a-inner { padding-left: 0; }}

/* ---------- Contacto ---------- */
.contact {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(40px, 6vw, 80px);
}
.contact__cards {
  display: grid;
  gap: 12px;
  margin-top: 32px;
}
.contact-card {
  padding: 22px 24px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: border-color var(--t) var(--ease), background var(--t) var(--ease);
}
.contact-card:hover {
  border-color: var(--border-strong);
  background: var(--bg-elev);
}
.contact-card__name {
  font-size: var(--fs-md);
  font-weight: 500;
}
.contact-card__email {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--fg-muted);
}
.contact-meta {
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 24px;
  font-size: var(--fs-sm);
  color: var(--fg-muted);
}
.contact-meta dt {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-faint);
}

/* Form */
.form {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: clamp(24px, 3vw, 36px);
}
.form__row { display: grid; gap: 18px; }
.form__row + .form__row { margin-top: 18px; }
.form__row--2 { grid-template-columns: 1fr 1fr; }
@media (max-width: 560px) { .form__row--2 { grid-template-columns: 1fr; } }

.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-faint);
  margin-bottom: 8px;
}
.field input,
.field textarea {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--border-strong);
  padding: 10px 0;
  font: inherit;
  color: var(--fg);
  font-size: var(--fs-base);
  transition: border-color var(--t) var(--ease);
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.field textarea { resize: vertical; min-height: 120px; }
.field.is-error input,
.field.is-error textarea { border-color: var(--coral-deep); }
.field__error {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--coral-deep);
  margin-top: 6px;
  display: none;
}
.field.is-error .field__error { display: block; }
.form__submit { margin-top: 26px; display: flex; justify-content: flex-end; }
.form__status {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: none;
}
.form__status.is-visible { display: block; }

@media (max-width: 900px) {
  .contact { grid-template-columns: 1fr; }
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding-block: clamp(48px, 6vw, 80px) 32px;
  margin-top: clamp(72px, 8vw, 120px);
  font-size: var(--fs-sm);
  color: var(--fg-muted);
}
.site-footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr));
  gap: 32px;
  padding-bottom: 48px;
}
.site-footer h5 {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-faint);
  font-weight: 400;
  margin-bottom: 16px;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px;}
.site-footer a:hover { color: var(--fg); }
.site-footer__bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-faint);
}
.footer-brand p { margin-top: 16px; max-width: 48ch; font-size: var(--fs-sm); }
@media (max-width: 760px) {
  .site-footer__top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .site-footer__top { grid-template-columns: 1fr; gap: 28px; }
}

/* ---------- Page (subpáginas) ---------- */
.page-hero {
  padding-top: clamp(48px, 6vw, 96px);
  padding-bottom: clamp(40px, 5vw, 64px);
  border-bottom: 1px solid var(--border);
}
.page-hero .eyebrow { margin-bottom: 24px; }
.page-hero h1 { font-size: var(--fs-2xl); max-width: 22ch; }
.page-hero p { margin-top: 20px; font-size: var(--fs-md); max-width: 62ch;}

.breadcrumbs {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-faint);
  margin-bottom: 24px;
}
.breadcrumbs a:hover { color: var(--fg); }

/* ---------- Scroll draw (SVG líneas que aparecen) ---------- */
.draw-on-scroll path,
.draw-on-scroll line,
.draw-on-scroll polyline {
  stroke-dasharray: var(--len, 1000);
  stroke-dashoffset: var(--len, 1000);
  transition: stroke-dashoffset 1800ms var(--ease-out);
  transition-delay: var(--delay, 0ms);
}
.draw-on-scroll.is-visible path,
.draw-on-scroll.is-visible line,
.draw-on-scroll.is-visible polyline {
  stroke-dashoffset: 0;
}

/* Fade-in para dots/circles cuando se dibuja el mapa */
.draw-on-scroll .dot,
.draw-on-scroll .fade-el {
  opacity: 0;
  transition: opacity 800ms var(--ease-out);
  transition-delay: var(--delay, 0ms);
}
.draw-on-scroll.is-visible .dot,
.draw-on-scroll.is-visible .fade-el { opacity: 1; }

/* ---------- Nota al pie / annotation ---------- */
.footnote {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--fg-faint);
  line-height: 1.5;
  padding-top: 24px;
  border-top: 1px dashed var(--border);
  margin-top: clamp(40px, 5vw, 64px);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px 20px;
}
.footnote sup { color: var(--accent); font-weight: 700; }