/* ============================================================
   PANAMA CAPITAL HOLDING — DESIGN SYSTEM v3 · "PLANO DE CAMPO"
   Dirección: Engineering drawing language · Space Mono + Space Grotesk
   Paleta: Blanco técnico · #1A4FA0 azul · #CE1F2A rojo (uso restringido)
   ============================================================ */

/* --- 1. VARIABLES --- */
:root {
  /* Colores principales */
  --clr-primary:       #1A4FA0;
  --clr-primary-dark:  #123B7A;
  --clr-primary-light: #EBF1FB;
  --clr-accent:        #CE1F2A;
  --clr-accent-dark:   #A8161F;
  --clr-accent-light:  #FDEAEC;

  /* Superficies — blanco dominante */
  --clr-white:         #FFFFFF;
  --clr-off-white:     #F8FAFC;
  --clr-surface:       #F2F6FB;   /* secciones alternadas */
  --clr-surface-blue:  #E8EFF9;   /* tarjetas con tono azul */

  /* Oscuro — solo hero y footer */
  --clr-deep:          #0B1F3A;
  --clr-deep-2:        #0F2847;

  /* Texto */
  --clr-text:          #0D1A2E;
  --clr-text-body:     #2A3A4E;
  --clr-text-muted:    #5A7090;
  --clr-text-light:    #8BA3BE;

  /* Bordes */
  --clr-border:        #D4DFEE;
  --clr-border-dark:   rgba(255,255,255,0.12);
  --clr-border-light:  rgba(255,255,255,0.12);

  /* Tipografía — sistema "Plano de Campo" */
  --font-display: 'Space Mono', monospace;       /* hero, split, mono labels */
  --font-heading: 'Space Grotesk', sans-serif;   /* h2/h3, nav, botones, fichas */
  --font-body:    'DM Sans', system-ui, sans-serif;
  --font-mono:    'Space Mono', monospace;

  /* Grid técnica */
  --clr-grid-line: rgba(26,79,160,0.05);

  /* Tamaños tipográficos — escala más generosa */
  --fs-xs:    clamp(0.7rem,   1vw,    0.75rem);
  --fs-sm:    clamp(0.875rem, 1.3vw,  0.95rem);
  --fs-base:  clamp(1rem,     1.5vw,  1.075rem);
  --fs-md:    clamp(1.15rem,  2vw,    1.35rem);
  --fs-lg:    clamp(1.6rem,   3vw,    2.25rem);
  --fs-xl:    clamp(2.2rem,   4.5vw,  3.5rem);
  --fs-2xl:   clamp(3rem,     6vw,    5rem);
  --fs-3xl:   clamp(3.5rem,   7vw,    6rem);
  --fs-hero:  clamp(3.2rem,   8vw,    7rem);

  /* Espacios */
  --sp-2xs: 0.25rem;
  --sp-xs:  0.5rem;
  --sp-sm:  1rem;
  --sp-md:  1.5rem;
  --sp-lg:  2.5rem;
  --sp-xl:  4rem;
  --sp-2xl: 4.5rem;
  --sp-3xl: 6rem;

  /* Layout */
  --container:        1400px;
  --container-narrow: 900px;
  --gutter:           clamp(1.5rem, 5vw, 3.5rem);

  /* Animaciones */
  --ease-fast:   0.2s cubic-bezier(0.4,0,0.2,1);
  --ease-med:    0.4s cubic-bezier(0.4,0,0.2,1);
  --ease-slow:   0.7s cubic-bezier(0.4,0,0.2,1);
  --ease-spring: 0.5s cubic-bezier(0.34,1.56,0.64,1);

  /* Sombras */
  --shadow-sm:  0 1px 4px rgba(13,26,46,0.08), 0 2px 12px rgba(13,26,46,0.06);
  --shadow-md:  0 4px 16px rgba(13,26,46,0.12), 0 8px 32px rgba(13,26,46,0.08);
  --shadow-lg:  0 16px 48px rgba(13,26,46,0.18);
  --shadow-xl:  0 24px 64px rgba(13,26,46,0.22);

  --header-h: 80px;
}

/* --- 2. RESET --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--clr-text-body);
  background: var(--clr-white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea, select { font: inherit; }

/* --- 3. TIPOGRAFÍA --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--clr-text);
}

/* Label tag — anotación técnica de sección */
.label-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--clr-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}
.label-tag::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--clr-primary);
  flex-shrink: 0;
}

/* Section title */
.section-title {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 700;
  text-transform: uppercase;
  line-height: 0.95;
  color: var(--clr-text);
  letter-spacing: -0.025em;
}
.section-title.on-dark { color: var(--clr-white); }

/* Section lead */
.section-lead {
  font-size: var(--fs-base);
  color: var(--clr-text-muted);
  max-width: 640px;
  line-height: 1.8;
}
.section-lead.on-dark { color: rgba(255,255,255,0.6); }

/* --- 4. LAYOUT --- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* --- 5. HEADER ---
   Transparente sobre hero · Blanco con sombra al hacer scroll
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition:
    background var(--ease-med),
    box-shadow var(--ease-med),
    border-color var(--ease-med);
}

/* Sobre hero — fondo transparente */
.site-header.transparent {
  background: transparent;
}
.site-header.transparent .nav-link { color: rgba(255,255,255,0.85); }
.site-header.transparent .nav-link:hover { color: white; }
.site-header.transparent .site-logo img { filter: brightness(0) invert(1); }

/* Al hacer scroll — fondo blanco con sombra */
.site-header.scrolled {
  background: var(--clr-white);
  box-shadow: 0 1px 0 var(--clr-border), 0 4px 24px rgba(13,26,46,0.08);
}
.site-header.scrolled .nav-link { color: var(--clr-text); }
.site-header.scrolled .nav-link:hover { color: var(--clr-primary); }
.site-header.scrolled .site-logo img { filter: none; }

/* Páginas sin hero — header siempre scrolled */
.site-header.no-hero {
  background: var(--clr-white);
  box-shadow: 0 1px 0 var(--clr-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: var(--sp-md);
}

.site-logo { display: flex; align-items: center; flex-shrink: 0; }
.site-logo img {
  height: 40px;
  width: auto;
  transition: opacity var(--ease-fast), filter var(--ease-fast);
}
.site-logo:hover img { opacity: 0.82; }

/* Navegación */
.site-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-item { position: relative; }
.nav-link {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-text);
  padding: 10px 12px;
  transition: color var(--ease-fast);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  position: relative;
}
.nav-link.active { color: var(--clr-primary); }
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 12px; right: 12px;
  height: 1px;
  background: var(--clr-primary);
}
.nav-link.has-dropdown::after {
  content: '';
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  transition: transform var(--ease-fast);
  margin-top: 1px;
  opacity: 0.6;
}
.nav-item:hover .nav-link.has-dropdown::after,
.nav-item:focus-within .nav-link.has-dropdown::after { transform: rotate(180deg); }

/* Dropdown menú */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-top: 2px solid var(--clr-accent);
  min-width: 260px;
  padding: 6px 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--ease-fast), transform var(--ease-fast);
  box-shadow: var(--shadow-lg);
}
.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: all;
}
.dropdown-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px var(--sp-md);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--clr-text-body);
  transition: color var(--ease-fast), background var(--ease-fast), padding-left var(--ease-fast);
}
.dropdown-link:hover {
  color: var(--clr-primary);
  background: var(--clr-surface);
  padding-left: calc(var(--sp-md) + 8px);
}
.dropdown-link .dd-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--clr-accent);
  flex-shrink: 0;
  transition: transform var(--ease-fast);
}
.dropdown-link:hover .dd-dot { transform: scale(1.5); }
.dropdown-sep {
  height: 1px;
  background: var(--clr-border);
  margin: 4px var(--sp-md);
}

/* CTA del header */
.nav-cta {
  font-family: var(--font-heading);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-white);
  background: var(--clr-primary);
  padding: 11px var(--sp-md);
  border: 2px solid var(--clr-primary);
  transition: all var(--ease-fast);
  white-space: nowrap;
  margin-left: 8px;
}
.nav-cta:hover {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
}

/* Hamburger */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  flex-shrink: 0;
}
.menu-toggle span {
  width: 24px; height: 2px;
  background: var(--clr-text);
  transition: transform var(--ease-fast), opacity var(--ease-fast);
  transform-origin: center;
  display: block;
}
.site-header.transparent .menu-toggle span { background: white; }
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  position: fixed;
  top: var(--header-h); left: 0; right: 0; bottom: 0;
  background: var(--clr-white);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--ease-slow);
  z-index: 999;
  padding: var(--sp-lg) var(--gutter) var(--sp-xl);
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--clr-border);
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav-group { border-bottom: 1px solid var(--clr-border); }
.mobile-nav-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--sp-md) 0;
}
.mobile-nav-label {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--clr-text);
}
.mobile-nav-label.accent { color: var(--clr-accent); }
.mobile-toggle-icon {
  width: 28px; height: 28px;
  border: 1px solid var(--clr-border);
  display: flex; align-items: center; justify-content: center;
  color: var(--clr-text-muted);
  font-size: 1rem;
  flex-shrink: 0;
}
.mobile-nav-group.open .mobile-toggle-icon { color: var(--clr-accent); background: var(--clr-accent-light); border-color: var(--clr-accent); }
.mobile-subnav {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--ease-med);
  padding-left: var(--sp-md);
}
.mobile-nav-group.open .mobile-subnav { max-height: 500px; }
.mobile-sub-link {
  display: block;
  padding: 10px 0;
  font-size: 0.95rem;
  color: var(--clr-text-muted);
  transition: color var(--ease-fast);
}
.mobile-sub-link:hover { color: var(--clr-primary); }
.mobile-nav-cta { margin-top: auto; padding-top: var(--sp-xl); }
.mobile-nav-cta .btn { width: 100%; justify-content: center; }

/* --- 6. BOTONES --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px var(--sp-lg);
  transition: all var(--ease-fast);
  white-space: nowrap;
  cursor: pointer;
  border: none;
  border-radius: 0;
}

.btn-primary {
  background: var(--clr-accent);
  color: var(--clr-white);
  border: 2px solid var(--clr-accent);
}
.btn-primary:hover {
  background: var(--clr-accent-dark);
  border-color: var(--clr-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(206,31,42,0.35);
}

.btn-secondary {
  background: var(--clr-primary);
  color: var(--clr-white);
  border: 2px solid var(--clr-primary);
}
.btn-secondary:hover {
  background: var(--clr-primary-dark);
  border-color: var(--clr-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26,79,160,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--clr-white);
  border: 2px solid rgba(255,255,255,0.5);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--clr-white);
}

.btn-outline-primary {
  background: transparent;
  color: var(--clr-primary);
  border: 2px solid var(--clr-primary);
}
.btn-outline-primary:hover {
  background: var(--clr-primary);
  color: var(--clr-white);
}

.btn-outline-dark {
  background: transparent;
  color: var(--clr-text);
  border: 2px solid var(--clr-border);
}
.btn-outline-dark:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
}

/* --- 7. HERO (homepage) — blanco, texto azul, media derecha --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: stretch;
  overflow: hidden;
  background: var(--clr-white);
  padding-top: var(--header-h);
  border-bottom: 1px solid var(--clr-border);
}
.hero-bg { display: none; }
.hero-bg-pattern,
.hero-bg-gradient,
.hero-bg-accent { display: none; }
.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  display: flex;
  flex: 1;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  height: 100%;
  min-height: calc(100vh - var(--header-h));
  width: 100%;
}
.hero-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--sp-2xl) var(--gutter);
  max-width: 100%;
}

/* Hero media — slot para video o imagen */
.hero-media {
  position: relative;
  overflow: hidden;
  background: var(--clr-surface);
  min-height: 400px;
  align-self: stretch;
}
.hero-media .hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}
.hero-media-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-media-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  gap: 8px;
  border: 1px dashed rgba(26,79,160,0.25);
  margin: var(--sp-lg);
  padding: var(--sp-md);
}
.hero-media-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-primary);
  background: rgba(26,79,160,0.06);
  padding: 3px 8px;
}
.hero-media-desc {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.04em;
  color: var(--clr-text-muted);
  max-width: 320px;
  line-height: 1.5;
}

.hero-eyebrow {
  margin-bottom: var(--sp-md);
  opacity: 0;
  animation: fadeUp 0.8s ease-out 0.3s forwards;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 4rem);
  font-weight: 700;
  color: var(--clr-primary);
  line-height: 0.92;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-bottom: var(--sp-md);
  opacity: 0;
  animation: fadeUp 0.85s ease-out 0.5s forwards;
}
.hero-title .t-accent { color: var(--clr-accent); }
.hero-title .t-accent { color: var(--clr-accent); }

.hero-subtitle {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  max-width: 460px;
  line-height: 1.8;
  margin-bottom: var(--sp-lg);
  opacity: 0;
  animation: fadeUp 0.85s ease-out 0.7s forwards;
}

/* Chips y acciones del hero eliminados — espacio libre para media */
.hero-regions { display: none; }
.hero-region-chip,
.chip-region, .chip-name, .chip-activo { display: none; }

.hero-actions {
  display: flex;
  gap: var(--sp-sm);
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.85s ease-out 0.9s forwards;
}

/* Hero visual (pump SVG) — oculto en dir 2 */
.hero-visual { display: none; }
.pump-svg { display: none; }
#walking-beam, #pump-crank { animation: none; }
.indicator-dot { animation: none; }

/* Scroll hint — ajustado a fondo blanco */
.hero-scroll-hint {
  position: absolute;
  bottom: var(--sp-lg); left: var(--gutter);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  opacity: 0;
  animation: fadeIn 1s ease 1.5s forwards;
}
.scroll-label {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
}
.scroll-line {
  width: 1px; height: 32px;
  background: linear-gradient(to bottom, var(--clr-primary), transparent);
  animation: scrollBounce 2s ease-in-out 2s infinite;
}

/* --- 8. PAGE HERO (páginas internas) — Plano de Campo */
.page-hero {
  min-height: 52vh;
  background: var(--clr-white);
  display: flex;
  align-items: flex-end;
  padding-top: var(--header-h);
  position: relative;
  overflow: hidden;
  border-bottom: 2px solid var(--clr-primary);
}
.page-hero-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--clr-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--clr-grid-line) 1px, transparent 1px);
  background-size: 32px 32px;
  z-index: 1;
}
/* Overlay y bg-css — conservados para compatibilidad, sin efecto visual en dir 2 */
.page-hero-overlay { position: absolute; inset: 0; z-index: 2; background: none; }
.page-hero-overlay.sur,
.page-hero-overlay.norte,
.page-hero-overlay.default { background: none; }
.page-hero-bg-css { display: none; }
.page-hero-content {
  position: relative;
  z-index: 3;
  padding: var(--sp-2xl) 0;
}

/* Hero typography — page-hero es ahora blanco/técnico */
.page-hero-title {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--clr-text);
  line-height: 0.92;
  letter-spacing: -0.03em;
  margin-bottom: var(--sp-lg);
}
.page-hero-subtitle {
  font-size: var(--fs-base);
  color: var(--clr-text-muted);
  max-width: 580px;
  line-height: 1.8;
  margin-bottom: var(--sp-xl);
}
.page-hero-scope {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--clr-text-muted);
  font-style: normal;
  letter-spacing: 0.03em;
  margin-bottom: var(--sp-lg);
  padding-left: var(--sp-md);
  border-left: 2px solid var(--clr-primary);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  margin-bottom: var(--sp-xl);
  flex-wrap: wrap;
}
.breadcrumb a { transition: color var(--ease-fast); }
.breadcrumb a:hover { color: var(--clr-primary); }
.breadcrumb .bc-sep { color: var(--clr-border); }
.breadcrumb .bc-current { color: var(--clr-primary); }

/* --- 9. SECCIONES --- */
.section     { padding: var(--sp-3xl) 0; }
.section-sm  { padding: var(--sp-xl) 0; }
.section-white  { background: var(--clr-white); }
.section-light  { background: var(--clr-off-white); }
.section-surface {
  background: var(--clr-surface);
}
.section-grid {
  background: var(--clr-white);
  background-image:
    linear-gradient(var(--clr-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--clr-grid-line) 1px, transparent 1px);
  background-size: 24px 24px;
}
.section-blue   { background: var(--clr-primary-light); }
.section-dark   { background: var(--clr-deep); }

.section-header { margin-bottom: var(--sp-2xl); }
.section-header--center { text-align: center; }
.section-header--center .label-tag { justify-content: center; }
.section-header--center .section-lead { margin: 0 auto; }

/* --- 10. SPLIT SCREEN REGIONES --- */
.split-regions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 88vh;
  position: relative;
  transition: grid-template-columns 0.65s cubic-bezier(0.4,0,0.2,1);
}
.split-panel {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: var(--sp-2xl) var(--sp-xl);
  cursor: pointer;
  min-height: 70vh;
}
.split-panel-bg {
  position: absolute;
  inset: 0;
  transition: transform 0.9s cubic-bezier(0.4,0,0.2,1);
}
.split-panel-bg.sur {
  background: var(--clr-white);
}
.split-panel-bg.norte {
  background: var(--clr-off-white);
}
.split-panel:hover .split-panel-bg { transform: scale(1.02); }
.split-panel-overlay { position: absolute; inset: 0; z-index: 1; background: none !important; }
.split-content { position: relative; z-index: 2; width: 100%; }
.split-region-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: var(--sp-sm);
  display: flex;
  align-items: center;
  gap: 10px;
}
.split-region-label::before {
  content: '';
  width: 18px; height: 1px;
  background: var(--clr-primary);
  display: block;
  flex-shrink: 0;
}
.split-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 4rem);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--clr-text);
  line-height: 0.9;
  letter-spacing: -0.02em;
  margin-bottom: var(--sp-md);
}
.split-services {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: var(--sp-lg);
}
.split-svc {
  font-family: var(--font-heading);
  font-size: clamp(0.85rem, 1.5vw, 1.05rem);
  font-weight: 600;
  text-transform: uppercase;
  color: var(--clr-text-body);
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: color var(--ease-fast);
}
.split-svc::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--clr-accent);
  flex-shrink: 0;
  transition: transform var(--ease-fast);
}
.split-panel:hover .split-svc { color: var(--clr-text); }
.split-panel:hover .split-svc::before { transform: scale(1.4); }
.split-activo {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--clr-text-muted);
  font-style: normal;
  letter-spacing: 0.05em;
  margin-bottom: var(--sp-lg);
  margin-top: var(--sp-sm);
}
.split-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-text);
  padding: 11px var(--sp-md);
  border: 1px solid var(--clr-border);
  transition: all var(--ease-fast);
  background: transparent;
}
.split-cta .arrow { transition: transform var(--ease-fast); }
.split-cta:hover, .split-panel:hover .split-cta {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: white;
}
.split-panel:hover .split-cta .arrow { transform: translateX(5px); }

/* Divider — línea azul que sigue el borde de la columna */
.split-divider { display: none; } /* replaced by ::after on --sur */

.split-panel--sur::after {
  content: '';
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, transparent 0%, var(--clr-primary) 15%, var(--clr-primary) 85%, transparent 100%);
  z-index: 15;
  pointer-events: none;
  transform: scaleY(0);
  transform-origin: top;
  animation: dividerDraw 0.9s cubic-bezier(0.16,1,0.3,1) 0.6s forwards;
}

@media (min-width:1025px) {
  .split-regions:has(.split-panel--sur:hover)   { grid-template-columns: 62fr 38fr; }
  .split-regions:has(.split-panel--norte:hover) { grid-template-columns: 38fr 62fr; }
}

/* --- 11. CARDS SAP --- */
.sap-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 1px;
  background: var(--clr-border);
}
.sap-card {
  background: var(--clr-white);
  padding: var(--sp-xl) var(--sp-lg);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: background var(--ease-med), box-shadow var(--ease-med);
  border-top: 3px solid transparent;
}
.sap-card:hover {
  background: var(--clr-off-white);
  border-top-color: var(--clr-primary);
  box-shadow: var(--shadow-md);
  z-index: 1;
}
.sap-num {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--clr-text-muted);
  opacity: 0.5;
  margin-bottom: var(--sp-md);
  letter-spacing: 0.12em;
}
.sap-img-wrap {
  width: 64px;
  height: 64px;
  margin-bottom: var(--sp-md);
  background: transparent;
  flex-shrink: 0;
}
.sap-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
}
.sap-icon {
  display: none;
  width: 44px; height: 44px;
  margin-bottom: var(--sp-md);
  color: var(--clr-primary);
}
.sap-title {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--clr-text);
  margin-bottom: var(--sp-sm);
  line-height: 1.0;
  letter-spacing: -0.01em;
}
.sap-desc {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  line-height: 1.75;
  flex: 1;
  margin-bottom: var(--sp-lg);
}
.sap-link {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  transition: color var(--ease-fast), gap var(--ease-fast);
}
.sap-link:hover { color: var(--clr-accent); gap: 14px; }

/* Card destacada — Bombeo Mecánico */
.sap-card--featured {
  background: var(--clr-primary);
  border-top-color: var(--clr-accent);
}
.sap-card--featured:hover { background: var(--clr-primary-dark); box-shadow: var(--shadow-xl); }
.sap-card--featured .sap-title { color: white; }
.sap-card--featured .sap-desc { color: rgba(255,255,255,0.65); }
.sap-card--featured .sap-link { color: rgba(255,255,255,0.8); }
.sap-card--featured .sap-link:hover { color: white; }
.sap-card--featured .sap-num { color: rgba(255,255,255,0.35); opacity: 1; }
.sap-card--featured .sap-icon { color: white; }

/* --- 12. CRITERIOS DE SELECCIÓN --- */
.criteria-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-md);
}
.criteria-col { display: flex; flex-direction: column; gap: var(--sp-md); }
.criteria-item {
  padding: var(--sp-md);
  border: 1px solid var(--clr-border);
  border-left: 2px solid var(--clr-primary);
  background: var(--clr-white);
  position: relative;
  transition: box-shadow var(--ease-fast), transform var(--ease-fast);
}
.criteria-item:hover {
  box-shadow: var(--shadow-sm);
  transform: translateX(3px);
}
.ci-name {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--clr-text);
  margin-bottom: 4px;
  letter-spacing: 0.04em;
}
.ci-desc { font-size: 0.78rem; color: var(--clr-text-muted); line-height: 1.5; }
.criteria-center-col { display: none; }

/* --- 13. FLOW ITEMS (páginas de servicio) --- */
.flow-list { display: flex; flex-direction: column; }
.flow-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: var(--sp-xl);
  padding: var(--sp-xl) 0;
  border-bottom: 1px solid var(--clr-border);
  position: relative;
}
.flow-item:last-child { border-bottom: none; }
.flow-item::before {
  content: '';
  position: absolute;
  left: 31px; top: 80px; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--clr-border), transparent);
}
.flow-item:last-child::before { display: none; }
.flow-num {
  width: 64px; height: 64px;
  background: var(--clr-primary-light);
  border: 2px solid var(--clr-primary);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--clr-primary);
  flex-shrink: 0;
  position: sticky;
  top: calc(var(--header-h) + 20px);
  align-self: start;
}
.flow-title {
  font-size: var(--fs-lg);
  font-weight: 900;
  text-transform: uppercase;
  color: var(--clr-text);
  margin-bottom: var(--sp-sm);
  letter-spacing: -0.02em;
}
.flow-desc {
  font-size: var(--fs-sm);
  color: var(--clr-text-muted);
  line-height: 1.8;
  max-width: 680px;
}

/* --- 14. SCOPE BLOCK --- */
.scope-block {
  padding: var(--sp-md) var(--sp-lg);
  border-left: 3px solid var(--clr-accent);
  background: var(--clr-accent-light);
  margin: var(--sp-xl) 0;
}
.scope-block .scope-title {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--sp-xs);
}
.scope-block p {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--clr-accent-dark);
  font-style: italic;
  letter-spacing: 0.03em;
  line-height: 1.7;
}

/* Scope block en fondos oscuros */
.scope-block--dark {
  background: rgba(255,255,255,0.04);
  border-left-color: rgba(206,31,42,0.5);
}
.scope-block--dark .scope-title { color: var(--clr-accent); }
.scope-block--dark p { color: rgba(255,255,255,0.38); }

/* --- 15. CTA BAND --- */
.cta-band {
  background: var(--clr-primary);
  padding: var(--sp-2xl) 0;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--clr-accent);
}
.cta-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-xl);
  flex-wrap: wrap;
}
.cta-band-title {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 700;
  text-transform: uppercase;
  color: white;
  line-height: 1.0;
  letter-spacing: -0.025em;
}
.cta-band-sub {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.68);
  margin-top: 8px;
  max-width: 520px;
}
.cta-band .btn-outline { border-color: rgba(255,255,255,0.45); flex-shrink: 0; }
.cta-band .btn-outline:hover { border-color: white; background: rgba(255,255,255,0.1); }

/* CTA rojo */
.cta-band--accent { background: var(--clr-accent); }
.cta-band--accent::before { background: rgba(255,255,255,0.3); }

/* --- 16. BM SECTION (homepage) --- */
.bm-section { padding: 0; }
.bm-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 80vh;
}
.bm-photo {
  position: relative;
  overflow: hidden;
  background: var(--clr-surface);
  min-height: 400px;
}
.bm-photo-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.bm-right {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--sp-2xl) var(--sp-xl);
  background: var(--clr-off-white);
}
.bm-services {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--clr-border);
}
.bm-svc-item {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: var(--sp-md);
  align-items: baseline;
  padding: var(--sp-md) 0;
  border-bottom: 1px solid var(--clr-border);
  transition: background var(--ease-fast);
}
.bm-svc-item:hover { background: rgba(26,79,160,0.03); }
.bm-svc-num {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--clr-accent);
  padding-top: 3px;
}
.bm-svc-body { display: flex; flex-direction: column; gap: 3px; }
.bm-svc-name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.bm-svc-desc {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--clr-text-muted);
  line-height: 1.5;
}

/* --- 17. FOOTER --- */
.site-footer {
  background: var(--clr-deep);
  padding: var(--sp-2xl) 0 var(--sp-lg);
  border-top: 3px solid var(--clr-accent);
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-2xl);
  padding-bottom: var(--sp-2xl);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: var(--sp-lg);
}
.footer-logo img { height: auto; width: 160px; max-width: 180px; filter: brightness(0) invert(1); margin-bottom: var(--sp-md); display: block; }
.footer-desc {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.38);
  line-height: 1.7;
  max-width: 270px;
}
.footer-col-title {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: white;
  margin-bottom: var(--sp-md);
  padding-bottom: var(--sp-xs);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-link {
  font-size: 0.83rem;
  color: rgba(255,255,255,0.42);
  transition: color var(--ease-fast), padding-left var(--ease-fast);
}
.footer-link:hover { color: rgba(255,255,255,0.82); padding-left: 6px; }
.footer-contact-line { display: flex; flex-direction: column; gap: 3px; margin-bottom: var(--sp-md); }
.fcl-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--clr-accent);
}
.fcl-value { font-size: 0.82rem; color: rgba(255,255,255,0.5); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-md);
  flex-wrap: wrap;
}
.footer-copy { font-size: 0.72rem; color: rgba(255,255,255,0.22); }
.footer-legal { display: flex; gap: var(--sp-md); }
.footer-legal a { font-size: 0.72rem; color: rgba(255,255,255,0.22); transition: color var(--ease-fast); }
.footer-legal a:hover { color: rgba(255,255,255,0.55); }

/* --- 18. REVEAL ANIMATIONS --- */
[data-reveal] {
  opacity: 0;
  transition: opacity var(--ease-slow), transform var(--ease-slow);
}
[data-reveal="up"]    { transform: translateY(30px); }
[data-reveal="left"]  { transform: translateX(-30px); }
[data-reveal="right"] { transform: translateX(30px); }
[data-reveal="scale"] { transform: scale(0.96); }
[data-reveal].in-view { opacity: 1; transform: none; }

/* Clip-path reveal — plano de campo signature */
[data-reveal="clip"] {
  opacity: 0;
  transform: none;
  clip-path: inset(0 100% 0 0);
  transition: clip-path 0.65s var(--ease-slow), opacity 0.4s ease;
}
[data-reveal="clip"].in-view {
  opacity: 1;
  clip-path: inset(0 0% 0 0);
}
[data-delay="1"] { transition-delay: 0.1s; }
[data-delay="2"] { transition-delay: 0.2s; }
[data-delay="3"] { transition-delay: 0.3s; }
[data-delay="4"] { transition-delay: 0.4s; }
[data-delay="5"] { transition-delay: 0.5s; }
[data-delay="6"] { transition-delay: 0.6s; }

/* --- 19. KEYFRAMES --- */
@keyframes fadeUp {
  from { opacity:0; transform:translateY(28px); }
  to   { opacity:1; transform:translateY(0); }
}
@keyframes fadeIn {
  from { opacity:0; }
  to   { opacity:1; }
}
@keyframes pumpRock {
  0%,100% { transform: rotate(-6.5deg); }
  50%      { transform: rotate(6.5deg); }
}
@keyframes crankSpin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes pulse {
  0%,100% { opacity:1; }
  50%      { opacity:0.3; }
}
@keyframes scrollBounce {
  0%,100% { transform:translateY(0); }
  50%      { transform:translateY(8px); }
}
@keyframes lineGrow {
  from { stroke-dashoffset:400; }
  to   { stroke-dashoffset:0; }
}
@keyframes dividerDraw {
  from { transform: scaleY(0); opacity: 0; }
  to   { transform: scaleY(1); opacity: 1; }
}

/* --- 20. UTILIDADES --- */
.text-center { text-align:center; }
.sr-only { position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0; }
.mt-sm  { margin-top:var(--sp-sm); }
.mt-md  { margin-top:var(--sp-md); }
.mt-lg  { margin-top:var(--sp-lg); }
.mt-xl  { margin-top:var(--sp-xl); }
.mb-md  { margin-bottom:var(--sp-md); }
.mb-lg  { margin-bottom:var(--sp-lg); }
.on-dark  { color:var(--clr-white); }

/* Decoración de línea técnica */
.deco-line {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  color: var(--clr-border);
  margin: var(--sp-lg) 0;
}
.deco-line::before, .deco-line::after {
  content:'';
  flex:1;
  height:1px;
  background:currentColor;
}
.deco-text {
  font-family:var(--font-mono);
  font-size:0.58rem;
  letter-spacing:0.2em;
  text-transform:uppercase;
  color: var(--clr-text-muted);
  white-space:nowrap;
}

/* --- 21. CONTACTO --- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.7fr;
  gap: var(--sp-2xl);
  align-items: start;
}

/* --- 22. RESPONSIVE --- */
@media (max-width:1280px) {
  .footer-top { grid-template-columns:1fr 1fr 1fr; }
  .footer-brand { grid-column:span 3; }
}
@media (max-width:1024px) {
  :root { --header-h:68px; }
  .site-nav, .nav-cta { display:none; }
  .menu-toggle { display:flex; }
  .hero-inner { grid-template-columns:1fr; }
  .hero-visual { display:none; }
  .hero-media { min-height: 52vw; order: -1; }
  .hero-text { max-width:100%; padding: var(--sp-xl) var(--gutter); }
  .split-regions { grid-template-columns:1fr !important; transition:none; }
  .split-panel { min-height:55vh; padding:var(--sp-xl) var(--gutter); }
  .split-divider { display:none; }
  .sap-grid { grid-template-columns:1fr 1fr; }
  .contact-layout { grid-template-columns:1fr; }
  .cta-band-inner { flex-direction:column; text-align:center; }
  .footer-top { grid-template-columns:1fr 1fr; gap:var(--sp-xl); }
  .footer-brand { grid-column:span 2; }
  .bm-layout { grid-template-columns:1fr; min-height:auto; }
  .bm-photo { min-height:55vw; }
  .bm-right { padding: var(--sp-xl) var(--gutter); }
  .criteria-wrapper { grid-template-columns:1fr; gap:var(--sp-sm); }
}
@media (max-width:768px) {
  .sap-grid { grid-template-columns:1fr; }
  .hero-regions { flex-direction:column; }
  .footer-top { grid-template-columns:1fr; }
  .footer-brand { grid-column:span 1; }
  .footer-bottom { flex-direction:column; align-items:flex-start; }
  .flow-item { grid-template-columns:1fr; gap:var(--sp-md); }
  .flow-num { position:static; width:48px; height:48px; font-size:1.25rem; }
}
@media (max-width:480px) {
  .hero-actions { flex-direction:column; }
  .hero-actions .btn { width:100%; justify-content:center; }
  .split-title { font-size:2.5rem; }
  .section { padding:var(--sp-2xl) 0; }
  .page-hero-title { font-size:2.2rem; }
  .cta-band-title { font-size:var(--fs-lg); }
}

/* --- 23. REDUCED MOTION --- */
@media (prefers-reduced-motion:reduce) {
  *, *::before, *::after {
    animation-duration:0.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.01ms !important;
  }
  [data-reveal] { opacity:1; transform:none; }
  #walking-beam, #pump-crank { animation:none; }
  html { scroll-behavior:auto; }
}