/* ═══ netzdi.com — sistema de diseño ═══
   Disciplina heredada del video: mucho blanco, navy como tinta,
   magenta con avaricia (botones primarios y el badge, nada más). */

:root {
  --navy: #0a1630;
  --navy-suave: #4a5a78;
  --gris-texto: #55627a;
  --gris-ui: #e6e9ef;
  --hueso: #f4f2ee;
  --blanco: #ffffff;
  --magenta: #e8336d;
  --magenta-oscuro: #c9235a;
  --radio: 10px;
  --sombra: 0 24px 60px rgba(10, 22, 48, 0.10);
  --fuente: "Inter", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--fuente);
  color: var(--navy);
  background: var(--blanco);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 780px; }
.center { text-align: center; }

h1, h2, h3, h4 { line-height: 1.15; letter-spacing: -0.02em; }
h2 { font-size: clamp(30px, 4.2vw, 46px); font-weight: 800; }
h3 { font-size: clamp(22px, 2.6vw, 30px); font-weight: 700; }

.kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--magenta);
  margin-bottom: 14px;
}

/* ── Botones ── */
.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-lg { padding: 16px 34px; font-size: 17px; }
.btn-primary {
  background: var(--magenta);
  color: #fff;
}
.btn-primary:hover {
  background: var(--magenta-oscuro);
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(232, 51, 109, 0.32);
}
.btn-outline {
  border-color: var(--navy);
  color: var(--navy);
  background: transparent;
}
.btn-outline:hover { background: var(--navy); color: #fff; }
.btn-ghost { color: var(--navy); background: transparent; }
.btn-ghost:hover { background: var(--gris-ui); }

/* ── Franja clientes ── */
.strip-clientes {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.85);
  text-align: center;
  font-size: 13.5px;
  padding: 8px 16px;
}
.strip-clientes a { color: #fff; font-weight: 600; }

/* ── Navegación ──
   Vidrio esmerilado estilo Basis: el video del hero pasa por debajo de la
   barra y se ve difuminado a través de ella. Al hacer scroll se solidifica. */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.55);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  backdrop-filter: blur(18px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease;
}
.nav.scrolled {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: var(--gris-ui);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 36px;
  height: 72px;
}
.nav-logo img { height: 40px; display: block; }
.nav-links { display: flex; gap: 28px; flex: 1; }
.nav-links a {
  color: var(--navy-suave);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
}
.nav-links a:hover { color: var(--navy); }
.nav-cta { display: flex; gap: 10px; align-items: center; }

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  /* estilo Basis: el video protagoniza y el texto vive en la franja
     inferior, donde el encuadre está tranquilo */
  align-items: flex-end;
  overflow: hidden;
  background: var(--hueso);
  /* el video corre por debajo de la barra de vidrio */
  margin-top: -72px;
  padding-top: 72px;
  padding-bottom: 60px;
}
.hero-video-wrap { position: absolute; inset: 0; }
.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-veil {
  position: absolute;
  inset: 0;
  /* El video se ve pleno; solo un fundido suave hacia abajo para que la
     franja de texto siempre tenga piso legible */
  background: linear-gradient(180deg,
    rgba(244, 242, 238, 0) 48%,
    rgba(244, 242, 238, 0.55) 80%,
    rgba(244, 242, 238, 0.92) 100%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}
.hero h1 {
  font-size: clamp(30px, 3.4vw, 50px);
  font-weight: 700;
  max-width: 640px;
}
.hero-sub {
  margin-top: 14px;
  font-size: clamp(15px, 1.5vw, 18px);
  color: var(--gris-texto);
  max-width: 520px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; flex-shrink: 0; }
.hero-actions.center { justify-content: center; }

/* ── Rutas ── */
.rutas { padding: 84px 0; background: var(--blanco); }
.rutas-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.ruta {
  display: block;
  padding: 40px 42px;
  border: 1px solid var(--gris-ui);
  border-radius: var(--radio);
  text-decoration: none;
  color: var(--navy);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.ruta:hover { transform: translateY(-4px); box-shadow: var(--sombra); }
.ruta-k {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--magenta);
}
.ruta h3 { margin: 12px 0 10px; }
.ruta p { color: var(--gris-texto); }
.ruta-go { display: inline-block; margin-top: 18px; font-weight: 600; }

/* ── Problema ── */
.problema { padding: 96px 0; background: var(--hueso); }
.problema h2 { margin-bottom: 22px; }
.problema p { font-size: 19px; color: var(--gris-texto); }

/* ── Momento mágico ── */
.magia { padding: 110px 0; }
.magia-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.magia-head p { margin-top: 16px; color: var(--gris-texto); font-size: 18px; }

.magia-demo { max-width: 860px; margin: 0 auto; }
.cufe-bar {
  display: flex;
  gap: 12px;
  background: var(--blanco);
  border: 1px solid var(--gris-ui);
  border-radius: var(--radio);
  padding: 12px;
  box-shadow: var(--sombra);
}
.cufe-bar input {
  flex: 1;
  border: none;
  outline: none;
  font-family: var(--mono);
  font-size: 14.5px;
  color: var(--navy);
  padding: 0 10px;
  background: transparent;
  text-overflow: ellipsis;
}
.cufe-status {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
  margin-top: 26px;
  color: var(--gris-texto);
  font-size: 15.5px;
}
.spinner {
  width: 18px; height: 18px;
  border: 2.5px solid var(--gris-ui);
  border-top-color: var(--magenta);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.cufe-result { margin-top: 30px; text-align: center; }
.doc {
  text-align: left;
  background: var(--blanco);
  border: 1px solid var(--gris-ui);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 34px 40px;
}
.doc-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 1px solid var(--gris-ui);
  padding-bottom: 18px;
}
.doc-kicker {
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gris-texto);
}
.doc-num { font-size: 30px; font-weight: 800; margin-top: 4px; }
.doc-badge {
  background: var(--magenta);
  color: #fff;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 1.2px;
  padding: 9px 18px;
  border-radius: 999px;
  opacity: 0;
  transform: scale(0.7);
  transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.34, 1.8, 0.5, 1);
}
.doc-badge.on { opacity: 1; transform: scale(1); }
.doc-meta { display: flex; gap: 48px; margin: 18px 0 6px; flex-wrap: wrap; }
.doc-meta span {
  display: block;
  font-size: 11.5px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gris-texto);
}
.doc-meta strong { font-size: 15.5px; font-weight: 600; }
.doc-table { width: 100%; border-collapse: collapse; margin-top: 18px; font-size: 15px; }
.doc-table th {
  text-align: left;
  font-size: 11.5px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gris-texto);
  border-bottom: 2px solid var(--gris-ui);
  padding-bottom: 8px;
  font-weight: 600;
}
.doc-table th:not(:first-child), .doc-table td:not(:first-child) { text-align: right; }
.doc-table td { padding: 11px 0; border-bottom: 1px solid var(--gris-ui); }
.doc-row { opacity: 0; transform: translateY(10px); transition: opacity 0.45s ease, transform 0.45s ease; }
.doc-row.on { opacity: 1; transform: none; }
.doc-tot { max-width: 300px; margin-left: auto; margin-top: 16px; font-size: 15px; color: var(--gris-texto); }
.doc-trow { display: flex; justify-content: space-between; padding: 5px 0; opacity: 0; transition: opacity 0.4s ease; }
.doc-trow.on { opacity: 1; }
.doc-grand {
  border-top: 2px solid var(--navy);
  margin-top: 6px;
  padding-top: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--navy);
}
.magia-nota { margin: 26px 0 20px; font-size: 17px; color: var(--gris-texto); }
.magia-bandeja { max-width: 980px; margin: 72px auto 0; }
.magia-bandeja .magia-nota { margin: 18px 0 0; font-size: 15.5px; }
.magia-video { max-width: 980px; margin: 72px auto 0; }
.magia-video .magia-nota { margin: 18px 0 0; font-size: 15.5px; }
.mod-shot.has-img video { width: 100%; height: auto; display: block; }

/* ── Módulos ── */
.modulos { padding: 100px 0; background: var(--hueso); }
.mod-head { text-align: center; margin-bottom: 56px; }
.mod-item {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 48px;
  align-items: center;
  padding: 36px 0;
}
.mod-item:nth-child(odd) .mod-txt { order: 2; }
.mod-txt h3 { margin-bottom: 12px; }
.mod-txt p { color: var(--gris-texto); font-size: 17px; }
.mod-shot {
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra);
  background: var(--blanco);
  aspect-ratio: 16 / 10;
}
.mod-shot img { width: 100%; height: 100%; object-fit: cover; display: block; }
/* captura real: la imagen manda su propia proporción, sin recortes */
.mod-shot.has-img { aspect-ratio: auto; border: 1px solid var(--gris-ui); }
.mod-shot.has-img img { height: auto; object-fit: unset; }

/* ciclo de dos capturas: crossfade en CSS puro (el "gif" sin GIF) */
.shot-cycle {
  position: relative;
  aspect-ratio: 16 / 10;
  background: #fff;
  border: 1px solid var(--gris-ui);
}
.shot-cycle img {
  position: absolute;
  inset: 0;
  margin: auto;
  max-width: 94%;
  max-height: 92%;
  width: auto;
  height: auto;
  object-fit: contain;
  animation: cycleA 14s ease-in-out infinite;
}
.shot-cycle img + img { animation-name: cycleB; opacity: 0; }
@keyframes cycleA {
  0%, 42% { opacity: 1; }
  50%, 92% { opacity: 0; }
  100% { opacity: 1; }
}
@keyframes cycleB {
  0%, 42% { opacity: 0; }
  50%, 92% { opacity: 1; }
  100% { opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .shot-cycle img { animation: none; }
  .shot-cycle img + img { opacity: 0; }
}
.mod-shot.placeholder {
  display: grid;
  place-items: center;
  border: 2px dashed var(--gris-ui);
  box-shadow: none;
  color: var(--gris-texto);
  text-align: center;
  font-size: 14px;
  letter-spacing: 0.4px;
}
.mod-shot.placeholder em { font-style: normal; color: var(--navy-suave); font-size: 13px; }
.mod-shot.wide { aspect-ratio: 21 / 9; margin: 40px 0; }

/* ── Contadores ── */
.contadores { padding: 110px 0; background: var(--navy); color: #fff; }
.contadores .kicker { color: var(--magenta); }
.cont-head { text-align: center; max-width: 640px; margin: 0 auto 52px; }
.cont-head p { margin-top: 16px; color: rgba(255, 255, 255, 0.72); font-size: 18px; }
.cont-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.cont-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radio);
  padding: 30px 32px;
}
.cont-card h4 { font-size: 19px; margin-bottom: 8px; }
.cont-card p { color: rgba(255, 255, 255, 0.72); font-size: 15.5px; }
.contadores .mod-shot.placeholder {
  border-color: rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.04);
}
.contadores .mod-shot.placeholder em { color: rgba(255, 255, 255, 0.8); }
.contadores .center { margin-top: 16px; }

/* ── Precios ── */
.precios { padding: 110px 0; }
.prec-head { text-align: center; margin-bottom: 52px; }
.prec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.prec-card {
  position: relative;
  border: 1px solid var(--gris-ui);
  border-radius: var(--radio);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
}
.prec-card.destacado {
  border-color: var(--magenta);
  box-shadow: var(--sombra);
}
.prec-tag {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--magenta);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 5px 16px;
  border-radius: 999px;
  white-space: nowrap;
}
.prec-card h4 { font-size: 21px; }
.prec-desc { color: var(--gris-texto); font-size: 14.5px; margin: 8px 0 18px; }
.prec-precio { font-size: 15px; color: var(--gris-texto); margin-bottom: 20px; }
.prec-precio strong { font-size: 32px; color: var(--navy); font-weight: 800; margin: 0 4px; }
.prec-card ul { list-style: none; }
.prec-card li {
  padding: 8px 0 8px 26px;
  font-size: 15px;
  color: var(--navy-suave);
  position: relative;
}
.prec-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--magenta);
  font-weight: 700;
}
.prec-serv { margin-top: 56px; }
.prec-serv h3 { text-align: center; font-size: 24px; margin-bottom: 28px; }
.serv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.serv-item {
  border: 1px solid var(--gris-ui);
  border-radius: var(--radio);
  padding: 26px 24px;
  background: var(--hueso);
}
.serv-precio {
  display: inline-block;
  font-size: 18px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 10px;
}
.serv-precio em { font-style: normal; font-weight: 500; font-size: 13px; color: var(--gris-texto); }
.serv-precio.gratis { color: var(--magenta); }
.serv-item h5 { font-size: 16px; margin-bottom: 8px; }
.serv-item p { font-size: 14px; color: var(--gris-texto); line-height: 1.55; }
.prec-nota { text-align: center; margin-top: 36px; color: var(--gris-texto); }

/* ── Cierre ── */
.cierre { padding: 120px 0; background: var(--hueso); }
.cierre h2 { margin-bottom: 34px; }

/* ── Footer ── */
.footer { background: var(--navy); color: rgba(255, 255, 255, 0.65); padding: 48px 0; }
.footer-inner { text-align: center; font-size: 14px; }
.footer-logo { height: 34px; margin-bottom: 18px; filter: brightness(0) invert(1); opacity: 0.85; }
.footer-links a { color: rgba(255, 255, 255, 0.85); text-decoration: none; }
.footer-links a:hover { text-decoration: underline; }

/* ── Lightbox: clic en una captura para verla grande ── */
.mod-shot img { cursor: zoom-in; }
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4vh 4vw;
  background: rgba(10, 22, 48, 0.86);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  cursor: zoom-out;
}
.lightbox.open { opacity: 1; pointer-events: auto; }
.lightbox img {
  max-width: 100%;
  max-height: 100%;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.5);
  transform: scale(0.96);
  transition: transform 0.25s ease;
}
.lightbox.open img { transform: scale(1); }
.lightbox-close {
  position: absolute;
  top: 18px;
  right: 26px;
  font-size: 34px;
  line-height: 1;
  color: rgba(255, 255, 255, 0.85);
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}
.lightbox-close:hover { color: #fff; }

/* ── Reveal on scroll ── */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.on { opacity: 1; transform: none; }

/* ── Móvil ── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .rutas-grid, .cont-grid, .prec-grid, .serv-grid { grid-template-columns: 1fr; }
  .mod-item { grid-template-columns: 1fr; gap: 22px; }
  .mod-item:nth-child(odd) .mod-txt { order: 0; }
  .hero { min-height: 72vh; }
  .hero-inner { flex-direction: column; align-items: flex-start; gap: 24px; }
  /* en móvil no se carga el video: manda el póster */
  .hero-video { display: none; }
  .hero-video-wrap {
    background: url("../assets/video/netzdi-hero-poster.jpg") center / cover no-repeat;
  }
  .hero-veil {
    background: linear-gradient(180deg,
      rgba(244, 242, 238, 0.92) 0%,
      rgba(244, 242, 238, 0.75) 100%);
  }
  .doc { padding: 22px; }
  .doc-meta { gap: 22px; }
}