/* ==========================================================================
   Zeta Intelligence - Sistema de diseño
   Fondo blanco + rojo corporativo Grupo Zeta como acento.
   Paleta oficial extraída de zetaonline.com (Elementor post-6.css).
   ========================================================================== */

:root {
  --zi-red: #D60812;
  --zi-red-dark: #B10D15;
  --zi-red-soft: #FDF1F2;
  --ink: #313133;
  --ink-2: #45454A;
  --gray: #5E5E62;
  --gray-light: #86868B;
  --line: #e6e6e6;
  --bg: #FFFFFF;
  --bg-soft: #f8f8f8;
  --font-display: "Poppins", "Segoe UI", sans-serif;
  --font-body: "Roboto", "Segoe UI", sans-serif;
  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(20, 22, 26, 0.05);
  --shadow-md: 0 10px 30px -12px rgba(20, 22, 26, 0.18);
  --shadow-lg: 0 24px 60px -20px rgba(20, 22, 26, 0.25);
  --container: 1220px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.68;
  font-size: 1.06rem;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Tipografía ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
}

h1 { font-size: clamp(2.3rem, 5.5vw, 4rem); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.2vw, 1.5rem); }

.lead {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--gray);
  line-height: 1.7;
}

.accent { color: var(--zi-red); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--zi-red);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--zi-red);
  display: inline-block;
}

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.site-header.scrolled {
  border-bottom-color: var(--line);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 2px;
  font-family: var(--font-display);
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.logo-img {
  height: 38px;
  width: auto;
  max-width: none;
  flex-shrink: 0;
  display: block;
  object-fit: contain;
}
.logo .z-mark {
  color: var(--zi-red);
  font-size: 1.5rem;
  line-height: 1;
}
.logo small {
  display: block;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gray-light);
}
.logo-stack { display: flex; flex-direction: column; line-height: 1.1; }

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav > ul { display: flex; align-items: center; gap: 4px; }
.main-nav a.nav-link {
  display: block;
  padding: 10px 11px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink-2);
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}
.main-nav a.nav-link:hover,
.main-nav a.nav-link.active { color: var(--zi-red); background: var(--zi-red-soft); }

/* Dropdown Servicios */
.nav-item { position: relative; }
.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 320px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.22s, transform 0.22s, visibility 0.22s;
}
.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 11px 14px;
  border-radius: 10px;
  font-size: 0.9rem;
  color: var(--ink-2);
  transition: background 0.15s, color 0.15s;
}
.dropdown a:hover { background: var(--zi-red-soft); color: var(--zi-red); }
.dropdown a .num {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--zi-red);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.93rem;
  padding: 13px 26px;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, color 0.2s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--zi-red);
  color: #fff;
  box-shadow: 0 8px 20px -8px rgba(214, 8, 18, 0.5);
}
.btn-primary:hover {
  background: var(--zi-red-dark);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px -10px rgba(214, 8, 18, 0.55);
}
.btn-ghost {
  border-color: var(--line);
  color: var(--ink);
  background: #fff;
}
.btn-ghost:hover { border-color: var(--zi-red); color: var(--zi-red); }
.btn .arrow { transition: transform 0.2s; }
.btn:hover .arrow { transform: translateX(4px); }

.header-cta { margin-left: 10px; font-size: 0.85rem; padding: 11px 20px; }

/* Hamburguesa */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 44px; height: 44px;
  position: relative;
  z-index: 110;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--ink);
  margin: 5px auto;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding: 170px 0 90px;
  overflow: hidden;
}
.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse 55% 60% at 82% 25%, rgba(214, 8, 18, 0.035), transparent 65%),
    linear-gradient(90deg, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0.45) 45%, rgba(255,255,255,0) 78%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 2; }
.hero-content { max-width: 780px; }
.hero h1 { margin: 0 0 24px; }
.hero .lead { max-width: 640px; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 56px; }

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  align-items: center;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.hero-badges .badge-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--gray);
}
.hero-badges .badge-item .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--zi-red);
  flex-shrink: 0;
}

/* ---------- Secciones ---------- */

.section { padding: 96px 0; }
.section.soft { background: var(--bg-soft); }
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }
.section-head h2 { margin-bottom: 16px; }

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s cubic-bezier(0.2, 0.6, 0.2, 1), transform 0.7s cubic-bezier(0.2, 0.6, 0.2, 1);
}
.reveal.visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.1s; }
.reveal[data-delay="2"] { transition-delay: 0.2s; }
.reveal[data-delay="3"] { transition-delay: 0.3s; }
.reveal[data-delay="4"] { transition-delay: 0.4s; }

/* ---------- Cards ---------- */

.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--zi-red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.card:hover::before { transform: scaleX(1); }
.card h3 { font-size: 1.08rem; margin: 0 0 12px; }
.card p { font-size: 0.93rem; color: var(--gray); }
.card .card-icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--zi-red-soft);
  color: var(--zi-red);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.card .card-icon svg { width: 24px; height: 24px; }

/* Preguntas del CEO */
.question-list { display: grid; gap: 14px; max-width: 860px; }
.question-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
  overflow: hidden;
}
.question-item:hover {
  border-color: rgba(214, 8, 18, 0.35);
  box-shadow: var(--shadow-md);
  transform: translateX(6px);
}
.question-item.active {
  border-color: var(--zi-red);
}
.accordion-header {
  width: 100%;
  background: transparent;
  border: none;
  font-family: inherit;
  font-size: inherit;
  text-align: left;
  cursor: pointer;
  display: flex;
  gap: 18px;
  align-items: center;
  padding: 22px 26px;
  color: var(--ink-2);
  outline: none;
}
.accordion-header:focus-visible {
  background: var(--bg-soft);
}
.accordion-header .q-mark {
  color: var(--zi-red);
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.accordion-header .q-mark svg {
  width: 100%;
  height: 100%;
}
.accordion-header .q-text {
  color: var(--ink-2);
  font-weight: 600;
  font-size: 1.02rem;
  line-height: 1.4;
  flex-grow: 1;
}
.accordion-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray);
  transition: transform 0.3s cubic-bezier(0.2, 0.6, 0.2, 1), color 0.3s ease;
  flex-shrink: 0;
}
.accordion-icon svg {
  width: 18px;
  height: 18px;
  stroke-width: 2.5px;
}
.question-item.active .accordion-icon {
  transform: rotate(180deg);
  color: var(--zi-red);
}
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.2, 0.6, 0.2, 1);
}
.accordion-body {
  padding: 0 26px 24px 62px;
}
.accordion-body p {
  color: var(--gray);
  font-weight: 400;
  line-height: 1.6;
  font-size: 0.95rem;
  margin: 0;
}

/* ---------- Verticales (home) ---------- */

.vertical-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.vertical-row {
  display: grid;
  grid-template-columns: 90px 1.1fr 1.6fr auto;
  gap: 28px;
  align-items: center;
  padding: 34px 10px;
  border-bottom: 1px solid var(--line);
  transition: background 0.25s, padding 0.25s;
  position: relative;
}
.vertical-row:hover { background: var(--zi-red-soft); padding-left: 22px; }
.vertical-row .v-num {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--line);
  transition: color 0.25s;
}
.vertical-row:hover .v-num { color: var(--zi-red); }
.vertical-row h3 { font-size: 1.12rem; margin: 0; }
.vertical-row .v-question {
  font-size: 0.94rem;
  color: var(--gray);
  font-style: italic;
}
.vertical-row .v-arrow {
  width: 42px; height: 42px;
  border: 1.5px solid var(--line);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray);
  transition: all 0.25s;
  flex-shrink: 0;
}
.vertical-row:hover .v-arrow {
  border-color: var(--zi-red);
  background: var(--zi-red);
  color: #fff;
  transform: translateX(4px);
}

/* ---------- Sectores ---------- */

.sector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
}
.sector-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
  padding: 26px 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink-2);
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.sector-chip:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(214,8,18,0.3); }
.sector-chip svg { width: 28px; height: 28px; color: var(--zi-red); }

/* ---------- Zeta band / stats ---------- */

.zeta-band {
  background: var(--ink);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.zeta-band::before {
  content: "Z";
  position: absolute;
  right: -60px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: 34rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.03);
  line-height: 1;
  pointer-events: none;
}
.zeta-band h2, .zeta-band h3 { color: #fff; }
.zeta-band .lead { color: rgba(255, 255, 255, 0.72); }
.zeta-band .eyebrow { color: #FF5C71; }
.zeta-band .eyebrow::before { background: #FF5C71; }

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 52px;
}
.stat .stat-value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.9rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
}
.stat .stat-value .accent { color: #FF5C71; }
.stat .stat-label {
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 6px;
}

/* ---------- CTA final ---------- */

.cta-final {
  text-align: center;
  padding: 110px 0;
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 50% at 50% 0%, rgba(214, 8, 18, 0.07), transparent 70%);
  pointer-events: none;
}
.cta-final h2 { max-width: 640px; margin: 0 auto 18px; }
.cta-final .lead { max-width: 560px; margin: 0 auto 36px; }
.cta-note { margin-top: 22px; font-size: 0.88rem; color: var(--gray-light); }

/* ---------- Page hero (interiores) ---------- */

.page-hero {
  padding: 165px 0 70px;
  background:
    radial-gradient(ellipse 60% 80% at 85% 10%, rgba(214, 8, 18, 0.06), transparent 60%),
    linear-gradient(var(--bg-soft), var(--bg));
  border-bottom: 1px solid var(--line);
}
.page-hero h1 { max-width: 800px; margin-bottom: 20px; }
.page-hero .lead { max-width: 700px; }
.breadcrumb {
  font-size: 0.82rem;
  color: var(--gray-light);
  margin-bottom: 26px;
}
.breadcrumb a:hover { color: var(--zi-red); }
.breadcrumb .sep { margin: 0 8px; }

/* Pregunta ejecutiva destacada */
.exec-question {
  border-left: 4px solid var(--zi-red);
  background: var(--zi-red-soft);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 30px 36px;
  margin: 40px 0;
}
.exec-question .eq-label {
  font-family: var(--font-display);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--zi-red);
  margin-bottom: 8px;
}
.exec-question p {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.4vw, 1.55rem);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
}

/* Listas con check */
.check-list { display: grid; gap: 16px; }
.check-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  color: var(--ink-2);
}
.check-list li::before {
  content: "";
  flex-shrink: 0;
  width: 22px; height: 22px;
  margin-top: 3px;
  border-radius: 50%;
  background: var(--zi-red-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23D60812' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/12px no-repeat;
}

/* Modalidades */
.modal-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.modalidad {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  background: #fff;
}
.modalidad.active-mod { border-color: var(--zi-red); box-shadow: var(--shadow-md); }
.modalidad h4 { font-size: 1rem; margin-bottom: 8px; display: flex; align-items: center; gap: 10px; }
.modalidad p { font-size: 0.9rem; color: var(--gray); }
.modalidad .mod-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--zi-red);
  background: var(--zi-red-soft);
  border-radius: 999px;
  padding: 3px 10px;
  margin-bottom: 12px;
}

/* Conexión de verticales */
.system-link {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-soft);
  border: 1px dashed rgba(214, 8, 18, 0.4);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-top: 8px;
}
.system-link svg { width: 30px; height: 30px; color: var(--zi-red); flex-shrink: 0; }
.system-link p { font-size: 0.94rem; color: var(--ink-2); }
.system-link a { color: var(--zi-red); font-weight: 600; }
.system-link a:hover { text-decoration: underline; }

/* Prose de contenidos */
.prose { max-width: 760px; }
.prose p { margin-bottom: 20px; color: var(--ink-2); }
.prose blockquote {
  border-left: 3px solid var(--zi-red);
  padding: 6px 0 6px 24px;
  margin: 30px 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.55;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

/* Timeline / pasos */
.flow-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; margin-top: 40px; }
.flow-step { position: relative; padding: 0 18px 0 0; }
.flow-step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 19px;
  left: 40px;
  right: 6px;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 12px);
}
.flow-step .fs-dot {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--zi-red);
  color: var(--zi-red);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}
.flow-step h4 { font-size: 0.94rem; margin-bottom: 6px; }
.flow-step p { font-size: 0.82rem; color: var(--gray); }
.flow-step a h4 { transition: color 0.2s; }
.flow-step a:hover h4 { color: var(--zi-red); }

/* ---------- Equipo ---------- */

.profile-card {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 28px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px;
  background: #fff;
}
.profile-avatar {
  width: 120px; height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--zi-red), var(--zi-red-dark));
  color: #fff;
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
img.profile-avatar {
  display: block;
  object-fit: cover;
  background: #f8f8f8;
  border: 1px solid var(--line);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.profile-card .role {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--zi-red);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.profile-card p { color: var(--gray); font-size: 0.95rem; }

/* ---------- Formulario ---------- */

.contact-form { display: grid; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--ink-2);
}
.field input,
.field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 14px 16px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--zi-red);
  box-shadow: 0 0 0 4px rgba(214, 8, 18, 0.1);
}
.field textarea { resize: vertical; min-height: 130px; }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.7);
  padding: 70px 0 36px;
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 44px;
  margin-bottom: 54px;
}
.site-footer .logo { color: #fff; margin-bottom: 18px; }
.site-footer .logo .logo-img {
  height: 32px;
  filter: brightness(0) invert(1);
}
.site-footer h4 {
  color: #fff;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.site-footer ul li { margin-bottom: 10px; }
.site-footer a:hover { color: #FF5C71; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.45);
}

/* ---------- Responsive ---------- */

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .flow-steps { grid-template-columns: repeat(2, 1fr); gap: 26px; }
  .flow-step:not(:last-child)::after { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* La navegación pasa a menú móvil antes que el resto del layout:
   son siete destinos y el botón de conversación confidencial. */
@media (max-width: 1080px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed;
    inset: 0;
    background: #fff;
    flex-direction: column;
    justify-content: center;
    align-items: stretch;
    padding: 90px 28px 40px;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.2, 0.7, 0.2, 1);
    z-index: 105;
    overflow-y: auto;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav > ul { flex-direction: column; align-items: stretch; gap: 2px; width: 100%; }
  .main-nav a.nav-link { font-size: 1.15rem; padding: 14px 10px; }
  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-left: 2px solid var(--line);
    border-radius: 0;
    margin: 0 0 8px 12px;
    min-width: 0;
    display: none;
  }
  .nav-item.open-sub .dropdown { display: block; }
  .header-cta { margin: 18px 0 0; justify-content: center; }
}

@media (max-width: 860px) {
  .section { padding: 68px 0; }
  .grid-3, .grid-2, .two-col, .modal-grid, .form-row { grid-template-columns: 1fr; }
  .two-col { gap: 40px; }

  .vertical-row {
    grid-template-columns: 48px 1fr auto;
    gap: 14px;
    padding: 24px 6px;
  }
  .vertical-row .v-question { grid-column: 2 / 3; grid-row: 2; }
  .vertical-row .v-num { font-size: 1.3rem; }
  .vertical-row .v-arrow { grid-row: 1 / 3; align-self: center; }

  .profile-card { grid-template-columns: 1fr; }
  .profile-avatar { width: 90px; height: 90px; font-size: 1.8rem; }
  .stats-row { gap: 20px; }
  .hero { padding: 130px 0 60px; }
  .page-hero { padding: 130px 0 52px; }
  .zeta-band::before { font-size: 18rem; right: -40px; }
}

@media (max-width: 520px) {
  .stats-row { grid-template-columns: 1fr 1fr; }
  .flow-steps { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* ==========================================================================
   Extensión: diagramas y composiciones de página
   ========================================================================== */

/* ---------- Hero con panel de doctrina ---------- */

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.hero-visual { position: relative; }

.doctrine-panel {
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius);
  padding: 38px 34px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.doctrine-panel .eyebrow { color: #FF5C71; }
.doctrine-panel .eyebrow::before { background: #FF5C71; }
.doctrine-panel ol { list-style: none; display: grid; gap: 16px; }
.doctrine-panel li {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.35;
  padding-left: 20px;
  border-left: 2px solid rgba(255, 255, 255, 0.18);
}
.doctrine-panel li:first-child { border-left-color: var(--zi-red); }
.doctrine-panel li span { display: block; font-family: var(--font-body); font-size: 0.82rem; font-weight: 400; color: rgba(255,255,255,0.6); margin-top: 4px; }
.doctrine-panel .panel-foot {
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,0.14);
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
}

/* ---------- Las dos puertas ---------- */

.door-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.door-card {
  display: block;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 38px 34px;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  position: relative;
}
.door-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--zi-red);
  border-radius: var(--radius) var(--radius) 0 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}
.door-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(214,8,18,0.3); }
.door-card:hover::before { transform: scaleX(1); }
.door-card .door-label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--zi-red);
  margin-bottom: 14px;
  display: block;
}
.door-card h3 { font-size: 1.35rem; margin-bottom: 14px; }
.door-card > p { color: var(--gray); font-size: 0.95rem; margin-bottom: 22px; }
.door-card ul { display: grid; gap: 12px; margin-bottom: 26px; }
.door-card ul li {
  font-size: 0.94rem;
  color: var(--ink-2);
  padding-left: 20px;
  position: relative;
  font-style: italic;
}
.door-card ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 10px;
  width: 8px; height: 1.5px;
  background: var(--zi-red);
}
.door-card .door-cta {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.93rem;
  color: var(--zi-red);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.door-card:hover .door-cta .arrow { transform: translateX(4px); }
.door-card .door-cta .arrow { transition: transform 0.2s; }

/* Franja superior de puerta en páginas de vertical */
.door-strip {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
  font-size: 0.88rem;
  color: var(--gray);
  margin-top: 76px;
}
.door-strip .container { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; }
.door-strip strong { font-family: var(--font-display); color: var(--ink); font-weight: 600; }
.door-strip a { color: var(--zi-red); font-weight: 600; }
.door-strip a:hover { text-decoration: underline; }
.door-strip + .page-hero { padding-top: 56px; }

/* ---------- El espejo (preguntas sin respuesta) ---------- */

.mirror-list { display: grid; gap: 14px; max-width: 880px; }
.mirror-item {
  background: #fff;
  border: 1px solid var(--line);
  border-left: 3px solid var(--zi-red);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 24px 28px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.45;
  transition: transform 0.25s, box-shadow 0.25s;
}
.mirror-item:hover { transform: translateX(6px); box-shadow: var(--shadow-md); }
.mirror-close {
  margin-top: 32px;
  max-width: 880px;
  font-size: 1.02rem;
  color: var(--ink-2);
}

/* ---------- Productos (bloques con ancla) ---------- */

.product-list { display: grid; gap: 20px; }
.product-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 32px;
  scroll-margin-top: 100px;
  transition: box-shadow 0.25s, border-color 0.25s;
}
.product-item:hover { box-shadow: var(--shadow-md); border-color: rgba(214,8,18,0.28); }
.product-item.featured { border-color: var(--zi-red); box-shadow: 0 10px 30px -14px rgba(214,8,18,0.35); }
.product-head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin-bottom: 6px; }
.product-code {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #fff;
  background: var(--zi-red);
  border-radius: 999px;
  padding: 3px 11px;
}
.product-item h3 { font-size: 1.28rem; }
.product-tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--zi-red);
  background: var(--zi-red-soft);
  border-radius: 999px;
  padding: 3px 10px;
}
.product-q {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 500;
  font-style: italic;
  color: var(--zi-red);
  margin: 10px 0 18px;
}
.product-item p { color: var(--ink-2); font-size: 0.96rem; margin-bottom: 14px; }
.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 0.86rem;
  color: var(--gray);
}
.product-meta b { font-family: var(--font-display); color: var(--ink); font-weight: 600; }

/* ---------- Cifras como elemento gráfico ---------- */

.figure-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.figure-block {
  border-top: 3px solid var(--zi-red);
  padding-top: 22px;
}
.figure-block .fig-num {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 4.6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--ink);
}
.figure-block .fig-text { margin-top: 12px; font-size: 0.95rem; color: var(--ink-2); }
.figure-block .fig-source { margin-top: 10px; font-size: 0.78rem; color: var(--gray-light); }
.figure-block.muted { border-top-color: var(--line); }
.figure-block.muted .fig-num { color: var(--gray-light); }

/* Barras de barreras (dato SAP) */
.bar-list { display: grid; gap: 14px; max-width: 820px; }
.bar-row { display: grid; grid-template-columns: 1fr 58px; gap: 18px; align-items: center; }
.bar-row .bar-label { font-size: 0.92rem; color: var(--ink-2); }
.bar-row .bar-track { grid-column: 1 / 2; height: 12px; background: var(--bg-soft); border-radius: 999px; overflow: hidden; }
.bar-row .bar-fill { height: 100%; background: var(--gray-light); border-radius: 999px; width: 0; transition: width 1s cubic-bezier(0.2,0.6,0.2,1); }
.reveal.visible .bar-fill { width: var(--w); }
.bar-row .bar-value {
  grid-column: 2 / 3;
  grid-row: 1 / 3;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink);
  text-align: right;
}
.bar-row.high .bar-fill { background: var(--zi-red); }
.bar-row.high .bar-value, .bar-row.low .bar-value { color: var(--zi-red); }
.bar-row.low .bar-fill { background: var(--ink); }
.bar-note { margin-top: 26px; font-size: 0.82rem; color: var(--gray-light); max-width: 820px; }

/* ---------- Tabla de criterio ---------- */

.data-table { width: 100%; border-collapse: collapse; font-size: 0.93rem; }
.data-table th, .data-table td { text-align: left; padding: 16px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
.data-table thead th {
  font-family: var(--font-display);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--zi-red);
  border-bottom: 2px solid var(--line);
}
.data-table tbody tr:hover { background: var(--bg-soft); }
.data-table td:first-child { font-family: var(--font-display); font-weight: 600; color: var(--ink); }
.data-table td { color: var(--ink-2); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.table-wrap .data-table { min-width: 700px; }

/* ---------- Bloque de nota / regla de la casa ---------- */

.note-block {
  border-left: 4px solid var(--zi-red);
  background: var(--zi-red-soft);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 28px 32px;
  margin: 36px 0;
}
.note-block h3 { font-size: 1.05rem; margin-bottom: 10px; }
.note-block p { color: var(--ink-2); font-size: 0.96rem; }
.note-block p + p { margin-top: 12px; }
.note-block.plain { background: var(--bg-soft); border-left-color: var(--ink); }

/* ---------- Criterio (editorial) ---------- */

.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.article-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.article-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(214,8,18,0.3); }
.article-card .art-kicker {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--zi-red);
  margin-bottom: 14px;
}
.article-card h3 { font-size: 1.12rem; margin-bottom: 12px; line-height: 1.3; }
.article-card p { font-size: 0.92rem; color: var(--gray); flex-grow: 1; }
.article-card .art-foot { margin-top: 20px; font-size: 0.82rem; color: var(--gray-light); display: flex; justify-content: space-between; gap: 12px; }
.article-card.pending { border-style: dashed; }
.article-card.pending:hover { transform: none; box-shadow: none; }

.download-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 28px;
  align-items: center;
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius);
  padding: 38px 36px;
}
.download-card h3 { color: #fff; font-size: 1.3rem; margin-bottom: 10px; }
.download-card p { color: rgba(255,255,255,0.7); font-size: 0.95rem; max-width: 560px; }
.download-card .dl-mark {
  width: 58px; height: 58px;
  border-radius: 14px;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  color: #FF5C71;
}
.download-card .dl-mark svg { width: 28px; height: 28px; }

/* ---------- Rutas de contacto ---------- */

.route-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: start; }
.route-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 32px;
  scroll-margin-top: 110px;
}
.route-card.priority { border-color: var(--zi-red); }
.route-card h2 { font-size: 1.5rem; margin-bottom: 10px; }
.route-card > p { color: var(--gray); font-size: 0.95rem; margin-bottom: 24px; }
.promise-box {
  background: var(--bg-soft);
  border-radius: 10px;
  padding: 18px 20px;
  font-size: 0.88rem;
  color: var(--ink-2);
  margin-bottom: 24px;
}
.promise-box strong { font-family: var(--font-display); }

/* ---------- Equipo en formato uniforme ---------- */

.people-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.person-row {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 24px;
  padding: 30px 4px;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.person-row img.person-photo {
  width: 76px; height: 76px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--bg-soft);
}
.person-row h3 { font-size: 1.12rem; margin-bottom: 4px; }
.person-row .role {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--zi-red);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 12px;
}
.person-row .why { color: var(--ink-2); font-size: 0.98rem; margin-bottom: 12px; }
.person-row .creds { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.person-row .creds span {
  font-size: 0.78rem;
  color: var(--gray);
  background: var(--bg-soft);
  border-radius: 999px;
  padding: 4px 12px;
}
.person-row details { margin-top: 6px; }
.person-row details summary {
  cursor: pointer;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--zi-red);
  font-family: var(--font-display);
  list-style: none;
}
.person-row details summary::-webkit-details-marker { display: none; }
.person-row details summary::before { content: "+ "; }
.person-row details[open] summary::before { content: "− "; }
.person-row details p { font-size: 0.92rem; color: var(--gray); margin-top: 12px; }
.person-row .li-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.85rem; font-weight: 500; color: var(--gray);
  margin-top: 12px;
}
.person-row .li-link:hover { color: var(--zi-red); }
.person-row .li-link svg { width: 16px; height: 16px; }
.person-row.lead-person { background: var(--bg-soft); border-radius: var(--radius); padding: 34px 30px; border-bottom: none; margin-bottom: 12px; }
.person-row.lead-person img.person-photo { width: 108px; height: 108px; }
.person-row.lead-person { grid-template-columns: 108px 1fr; }

/* ---------- Árbol de decisión ---------- */

.decision-flow { display: grid; gap: 12px; max-width: 760px; }
.decision-step {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 16px;
  align-items: start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 22px;
}
.decision-step .ds-num {
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 2px solid var(--zi-red);
  color: var(--zi-red);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.82rem;
  display: flex; align-items: center; justify-content: center;
}
.decision-step h4 { font-size: 0.98rem; margin-bottom: 4px; }
.decision-step p { font-size: 0.88rem; color: var(--gray); }
.decision-step.stop { border-color: rgba(214,8,18,0.4); background: var(--zi-red-soft); }

/* ---------- Figuras / diagramas ---------- */

.diagram-figure {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 38px 34px 28px;
  overflow-x: auto;
}
.diagram-figure figcaption {
  margin-top: 18px;
  font-size: 0.82rem;
  color: var(--gray-light);
  text-align: center;
}
.diagram-figure svg { width: 100%; height: auto; display: block; min-width: 560px; }
.diagram-figure.no-min svg { min-width: 0; }

/* Trazos que se dibujan al entrar en pantalla */
.reveal [data-draw] {
  stroke-dasharray: 900;
  stroke-dashoffset: 900;
  transition: stroke-dashoffset 1.8s ease 0.35s;
}
.reveal.visible [data-draw] { stroke-dashoffset: 0; }
.reveal [data-pop] {
  opacity: 0;
  transform: scale(0.85);
  transform-origin: center;
  transform-box: fill-box;
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.2, 0.65, 0.3, 1.3);
}
.reveal.visible [data-pop] { opacity: 1; transform: scale(1); }
.reveal [data-pop="1"] { transition-delay: 0.15s; }
.reveal [data-pop="2"] { transition-delay: 0.35s; }
.reveal [data-pop="3"] { transition-delay: 0.55s; }
.reveal [data-pop="4"] { transition-delay: 0.75s; }
.reveal [data-pop="5"] { transition-delay: 0.95s; }
.reveal [data-pop="6"] { transition-delay: 1.15s; }

/* ---------- Los 5 filtros ---------- */

.filter-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.filter-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 20px;
  position: relative;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.filter-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(214,8,18,0.35); }
.filter-card .f-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--zi-red-soft);
  -webkit-text-stroke: 1.5px var(--zi-red);
  line-height: 1;
  margin-bottom: 14px;
}
.filter-card h3 { font-size: 1rem; margin-bottom: 8px; }
.filter-card p { font-size: 0.84rem; color: var(--gray); }

/* ---------- Línea de tiempo ---------- */

.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 26px;
  position: relative;
  margin-top: 52px;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--zi-red), var(--line) 85%);
}
.t-item { position: relative; padding-top: 38px; }
.t-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid var(--zi-red);
}
.t-item .t-year {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--zi-red);
  margin-bottom: 6px;
}
.t-item h4 { font-size: 0.95rem; margin-bottom: 6px; }
.t-item p { font-size: 0.84rem; color: var(--gray); }

/* ---------- Diagrama organizacional / de decisión ---------- */

.org-diagram { display: flex; flex-direction: column; align-items: center; }
.org-node {
  border: 1.5px solid var(--line);
  background: #fff;
  border-radius: 12px;
  padding: 16px 28px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  min-width: 220px;
}
.org-node h4 { font-size: 0.95rem; }
.org-node p { font-size: 0.8rem; color: var(--gray); margin-top: 4px; }
.org-node.primary { border-color: var(--zi-red); box-shadow: 0 8px 24px -10px rgba(214, 8, 18, 0.35); }
.org-node .org-tag {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--zi-red);
  background: var(--zi-red-soft);
  border-radius: 999px;
  padding: 2px 10px;
  margin-bottom: 8px;
}
.org-connector { width: 2px; height: 36px; background: var(--line); }
.org-connector.red { background: linear-gradient(var(--zi-red), var(--line)); }
.org-row { display: flex; gap: 18px; flex-wrap: wrap; justify-content: center; }

.cta-final .container, .zeta-band .container { position: relative; z-index: 2; }

/* ---------- Responsive de los nuevos componentes ---------- */

@media (max-width: 1024px) {
  .filter-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(2, 1fr); gap: 34px 26px; }
  .timeline::before { display: none; }
  .article-grid { grid-template-columns: repeat(2, 1fr); }
  .figure-row { grid-template-columns: 1fr; gap: 34px; }
}

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .door-grid, .route-grid, .article-grid { grid-template-columns: 1fr; }
  .download-card { grid-template-columns: 1fr; gap: 20px; text-align: left; }
  .person-row, .person-row.lead-person { grid-template-columns: 1fr; gap: 16px; }
}

@media (max-width: 520px) {
  .filter-grid, .timeline { grid-template-columns: 1fr; }
  .diagram-figure { padding: 24px 18px 20px; }
  .product-item, .door-card, .route-card { padding: 26px 22px; }
  .mirror-item { padding: 20px 22px; font-size: 1rem; }
}

/* ==========================================================================
   Rediseño de portada: héroe oscuro, perspectivas divididas, líneas de
   servicio, proceso en etapas y cierre de alto contraste.
   ========================================================================== */

/* ---------- Héroe oscuro ---------- */

.hero-dark {
  background:
    radial-gradient(ellipse 55% 65% at 78% 20%, rgba(214, 8, 18, 0.16), transparent 65%),
    var(--ink);
  color: #fff;
}
.hero-dark::after { content: none; }
.hero-dark::before {
  content: "Z";
  position: absolute;
  right: -70px;
  bottom: -120px;
  font-family: var(--font-display);
  font-size: 38rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.025);
  line-height: 1;
  pointer-events: none;
  z-index: 0;
}
.hero-dark h1 {
  color: #fff;
  font-size: clamp(2.5rem, 5.8vw, 4.3rem);
}
.hero-dark .accent { color: #FF5C71; }
.hero-dark .lead { color: rgba(255, 255, 255, 0.74); }
.hero-dark .eyebrow { color: #FF5C71; }
.hero-dark .eyebrow::before { background: #FF5C71; }
.hero-dark .hero-badges { border-top-color: rgba(255, 255, 255, 0.14); }
.hero-dark .badge-item { color: rgba(255, 255, 255, 0.62); }
.hero-dark .doctrine-panel {
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.13);
  box-shadow: none;
}

/* ---------- Las dos perspectivas (pantalla dividida) ---------- */

.split-choice {
  display: flex;
  align-items: stretch;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  position: relative;
  background: #fff;
}
.split-pane {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  padding: 52px 46px;
  min-width: 0;
  transition: flex 0.5s cubic-bezier(0.25, 0.7, 0.25, 1), background 0.3s;
}
@media (hover: hover) and (min-width: 861px) {
  .split-pane:hover { flex: 1.4 1 0; }
}
.split-pane.pane-a { background: #fff; }
.split-pane.pane-b { background: var(--ink); color: #fff; }
.split-pane .pane-label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--zi-red);
  margin-bottom: 16px;
}
.split-pane.pane-b .pane-label { color: #FF5C71; }
.split-pane h3 { font-size: clamp(1.25rem, 2.2vw, 1.55rem); margin-bottom: 14px; }
.split-pane.pane-b h3 { color: #fff; }
.split-pane > p { color: var(--gray); font-size: 0.95rem; margin-bottom: 24px; }
.split-pane.pane-b > p { color: rgba(255, 255, 255, 0.66); }
.split-pane ul { display: grid; gap: 12px; margin-bottom: 28px; }
.split-pane ul li {
  font-size: 0.94rem;
  font-style: italic;
  color: var(--ink-2);
  padding-left: 20px;
  position: relative;
}
.split-pane.pane-b ul li { color: rgba(255, 255, 255, 0.82); }
.split-pane ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 11px;
  width: 9px; height: 1.5px;
  background: var(--zi-red);
}
.split-pane.pane-b ul li::before { background: #FF5C71; }
.split-pane .pane-cta {
  margin-top: auto;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.94rem;
  color: var(--zi-red);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.split-pane.pane-b .pane-cta { color: #FF5C71; }
.split-pane .pane-cta .arrow { transition: transform 0.2s; }
.split-pane:hover .pane-cta .arrow { transform: translateX(5px); }
.split-divider {
  flex: 0 0 0px;
  position: relative;
  z-index: 3;
  overflow: visible;
}
.split-divider .split-badge {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translate(-50%, -50%);
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--zi-red);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 6px #fff, var(--shadow-md);
}

/* ---------- El espejo: pregunta + cómo la abordamos ---------- */

.mirror-item .m-q { margin: 0; }
.mirror-item .m-approach {
  display: block;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 400;
  font-style: normal;
  color: var(--gray);
  line-height: 1.6;
}
.mirror-item .m-approach b {
  display: block;
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--zi-red);
  margin-bottom: 4px;
}

/* ---------- La promesa (cuatro pilares) ---------- */

.promise-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}
.promise-item {
  padding: 44px 40px;
  position: relative;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background 0.25s;
}
.promise-item:nth-child(2n) { border-right: none; }
.promise-item:nth-last-child(-n+2) { border-bottom: none; }
.promise-item:hover { background: var(--zi-red-soft); }
.promise-item .p-num {
  position: absolute;
  top: 30px;
  right: 34px;
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1;
  color: var(--zi-red-soft);
  -webkit-text-stroke: 1.5px rgba(214, 8, 18, 0.45);
  transition: color 0.25s;
}
.promise-item:hover .p-num { color: #fff; }
.promise-item .card-icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--zi-red-soft);
  color: var(--zi-red);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.promise-item .card-icon svg { width: 24px; height: 24px; }
.promise-item:hover .card-icon { background: #fff; }
.promise-item h3 { font-size: 1.12rem; margin-bottom: 10px; }
.promise-item p { font-size: 0.94rem; color: var(--gray); }

/* ---------- Las dos líneas de servicio ---------- */

.service-lines {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  margin-bottom: 64px;
}
.service-line {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 42px 38px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: box-shadow 0.25s, transform 0.25s;
}
.service-line:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.service-line.featured { border-color: var(--zi-red); box-shadow: 0 10px 30px -14px rgba(214, 8, 18, 0.3); }
.service-line .sl-tag {
  align-self: flex-start;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--zi-red);
  background: var(--zi-red-soft);
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 22px;
}
.service-line h3 { font-size: clamp(1.3rem, 2.2vw, 1.6rem); margin-bottom: 14px; }
.service-line > p { color: var(--gray); font-size: 0.97rem; margin-bottom: 26px; }
.service-line .sl-list { display: grid; gap: 13px; margin-bottom: 30px; }
.service-line .sl-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.93rem;
  color: var(--ink-2);
}
.service-line .sl-list li::before {
  content: "";
  flex-shrink: 0;
  width: 20px; height: 20px;
  margin-top: 2px;
  border-radius: 50%;
  background: var(--zi-red-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23D60812' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/11px no-repeat;
}
.service-line .sl-links {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.service-line .sl-links a {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--zi-red);
}
.service-line .sl-links a:hover { text-decoration: underline; }

/* ---------- El proceso en cinco etapas ---------- */

.stage-flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}
.stage-card {
  display: block;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 22px;
  position: relative;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.stage-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(214, 8, 18, 0.4);
}
.stage-card:not(:last-child)::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: -16px;
  transform: translateY(-50%);
  color: var(--zi-red);
  font-weight: 700;
  z-index: 2;
}
.stage-card .s-num {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 2px solid var(--zi-red);
  color: var(--zi-red);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  transition: background 0.25s, color 0.25s;
}
.stage-card:hover .s-num { background: var(--zi-red); color: #fff; }
.stage-card h3 { font-size: 1rem; margin-bottom: 8px; line-height: 1.3; }
.stage-card p { font-size: 0.84rem; color: var(--gray); font-style: italic; }
.stage-loop {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 26px;
  padding: 18px 24px;
  border: 1px dashed rgba(214, 8, 18, 0.4);
  border-radius: var(--radius);
  background: var(--bg-soft);
  font-size: 0.9rem;
  color: var(--ink-2);
}
.stage-loop svg { width: 22px; height: 22px; color: var(--zi-red); flex-shrink: 0; }

/* ---------- Cierre de alto contraste ---------- */

.cta-final.dark {
  background:
    radial-gradient(ellipse 55% 60% at 50% 0%, rgba(214, 8, 18, 0.22), transparent 70%),
    var(--ink);
}
.cta-final.dark::before { content: none; }
.cta-final.dark .eyebrow { color: #FF5C71; }
.cta-final.dark .eyebrow::before { background: #FF5C71; }
.cta-final.dark h2 {
  color: #fff;
  font-size: clamp(2rem, 4.6vw, 3.2rem);
  max-width: 760px;
}
.cta-final.dark .lead { color: rgba(255, 255, 255, 0.72); }
.cta-final.dark .btn-primary { box-shadow: 0 10px 30px -8px rgba(214, 8, 18, 0.7); }
.cta-assurances {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 34px;
  margin-top: 30px;
}
.cta-assurances span {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}
.cta-assurances span::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #FF5C71;
}

/* ---------- Grupos en el desplegable de Servicios ---------- */

.drop-group {
  display: block;
  font-family: var(--font-display);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--gray-light);
  padding: 10px 14px 4px;
}
.drop-group + .drop-group,
.dropdown a + .drop-group {
  margin-top: 8px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

/* ---------- Responsive de la portada rediseñada ---------- */

@media (max-width: 1024px) {
  .stage-flow { grid-template-columns: repeat(2, 1fr); }
  .stage-card:not(:last-child)::after { display: none; }
  .service-lines { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .split-choice { flex-direction: column; }
  .split-pane { padding: 38px 28px; }
  .split-divider .split-badge {
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .hero-dark::before { font-size: 20rem; right: -50px; bottom: -70px; }
  .promise-grid { grid-template-columns: 1fr; }
  .promise-item { border-right: none; }
  .promise-item:nth-last-child(2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 520px) {
  .stage-flow { grid-template-columns: 1fr; }
  .service-line { padding: 30px 24px; }
  .split-pane { padding: 32px 22px; }
}

/* Códigos temporales para seleccionar contenido de la página anterior. */
.section-ref-code {
  display: inline-block;
  margin-left: 0.65rem;
  padding: 0.2rem 0.45rem;
  border: 1px solid currentColor;
  border-radius: 0.3rem;
  color: var(--zi-red);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.03em;
  vertical-align: middle;
  white-space: nowrap;
}