/* =========================================================================
   AgileReact — Exova / FluidsControl S.A.
   Landing page styles
   ========================================================================= */

/* ---------- Design tokens (sistema compartido Exova: AgileReact + SaniFlow) ---------- */
:root {
  /* Tipografía — Exo (marca/hero) + Barlow Condensed (todo lo demás) */
  --font-display: 'Exo', 'Segoe UI', system-ui, Arial, sans-serif;
  --font-body: 'Barlow Condensed', 'Segoe UI', system-ui, Arial, sans-serif;

  /* Oscuro neutro (identidad marketing: placas de LinkedIn) */
  --c-dark: #10151C;      /* color de TEXTO y títulos */
  --c-blue-deep: #0B1130; /* azul bien oscuro de las franjas formato Siemens (print 20-07-2026) */

  /* Acentos de marca (celeste del logo + cyan de placas + teal del catálogo) */
  --c-blue: #2AA6F8;      /* celeste primario: botones, wordmarks, destacados */
  --c-blue-bright: #009AFF;
  --c-cyan: #35B6EA;      /* stop medio de los degradés de acento */
  --c-teal: #65DDD1;      /* celeste verdoso de la literatura de producto (degradés) */
  --c-green: #30E49E;     /* verde de la "X" de marca (print del usuario, 20-07-2026) */
  --c-green-soft: #BDF6E0;/* verde claro: fondo de franjas (visible, no lavado) */
  /* Azul accesible para texto/links sobre blanco, --c-bg-soft y --c-green-soft:
     --c-blue no alcanza AA (2.7:1); este da 5.5 / 5.0 / 4.6 */
  --c-blue-text: #0067B0;

  /* Grises acero + neutros */
  --c-steel-700: #343E48;
  --c-steel-500: #545D64;
  --c-steel-300: #BEC2C5;
  --c-bg-soft: #F5F5F5;
  --c-white: #FFFFFF;
  --c-error: #B3261E;

  /* Derivados (hairlines) */
  --c-line: #e3e6ea;

  /* Espaciado / radios / sombras */
  --sp-1: .5rem; --sp-2: 1rem; --sp-3: 1.5rem; --sp-4: 2rem; --sp-6: 3rem; --sp-8: 4rem;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-card: 0 6px 24px rgba(6, 16, 32, 0.08);
  --shadow-sm: 0 1px 2px rgba(6, 16, 32, 0.06), 0 4px 16px rgba(6, 16, 32, 0.05);
  --shadow-md: 0 14px 36px rgba(6, 16, 32, 0.14);
  --maxw: 1200px;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
  /* Escala tipográfica base: sube ~11% todos los tamaños en rem (textos chicos,
     labels, cuerpo), sin inflar los headings grandes (clamp por vw). */
  font-size: 111%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.02rem;
  line-height: 1.66;
  color: var(--c-steel-700);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

:focus-visible { outline: 3px solid var(--c-blue-text); outline-offset: 2px; border-radius: 2px; }
/* Superficies celestes (footer, salida del configurador): foco oscuro */
.site-footer :focus-visible,
.config-output :focus-visible { outline-color: var(--c-dark); }

.skip-link {
  position: absolute; left: 16px; top: -100px; z-index: 200;
  background: var(--c-blue); color: var(--c-dark);
  padding: 10px 16px; border-radius: var(--radius); font-weight: 700;
  transition: top 0.15s var(--ease);
}
.skip-link:focus { top: 8px; }

p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 24px;
}

.section { padding: clamp(64px, 9vw, 120px) 0; }

.section-head { margin-bottom: clamp(36px, 5vw, 56px); }
.section-head.center { text-align: center; max-width: 760px; margin-inline: auto; }

.eyebrow {
  font-family: var(--font-body);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.82rem;
  color: var(--c-blue-text);
  margin: 0 0 14px;
}

.section-title {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: clamp(1.75rem, 3.6vw, 2.6rem);
  line-height: 1.12;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0;
  color: var(--c-dark);
}

.section-lead {
  margin-top: 18px;
  font-size: 1.12rem;
  color: var(--c-steel-500);
  max-width: 640px;
}
.center .section-lead { margin-inline: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.02em;
  padding: 13px 26px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease),
              color 0.2s var(--ease), transform 0.15s var(--ease), box-shadow 0.2s var(--ease);
  white-space: nowrap;
}
.btn-sm { padding: 10px 20px; font-size: 0.95rem; }
.btn-block { width: 100%; }

.btn-primary {
  background: var(--c-blue);
  color: var(--c-dark);
}
.btn-primary:hover { background: var(--c-blue-bright); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  border-color: var(--c-dark);
  color: var(--c-dark);
  background: transparent;
}
/* Hover en celeste de marca (nunca relleno negro) */
.btn-secondary:hover { border-color: var(--c-blue); background: var(--c-blue); color: var(--c-dark); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  /* Vidrio translúcido: el header se ve "transparente" sobre el hero claro
     y mantiene la legibilidad al scrollear sobre cualquier sección */
  background: rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid rgba(16, 21, 28, 0.08);
  transition: box-shadow 0.25s var(--ease);
}
.site-header.is-scrolled { box-shadow: 0 2px 16px rgba(6, 16, 32, 0.1); }

.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  height: var(--header-h);
}

.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand-logo { width: 132px; height: auto; } /* mismo ancho que SaniFlow */

.main-nav {
  display: flex;
  /* Cada botón centrado en altura dentro de la barra (los labels largos
     de EN parten en dos líneas y sin esto quedaban arriba) */
  align-items: center;
  gap: 28px;
  margin-left: 18px;
  margin-right: auto;
}
.main-nav a {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.1rem;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--c-dark);
  padding: 6px 0;
  position: relative;
  transition: color 0.18s var(--ease);
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: var(--c-blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.22s var(--ease);
}
.main-nav a:hover { color: var(--c-dark); }
.main-nav a:hover::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 18px; }

.lang-toggle {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-weight: 600;
  border: 1px solid var(--c-steel-300);
  border-radius: var(--radius);
  overflow: hidden;
}
.lang-btn {
  background: transparent;
  border: none;
  color: var(--c-dark);
  font-size: 0.92rem;
  padding: 6px 10px;
  letter-spacing: 0.05em;
  transition: background-color 0.18s var(--ease), color 0.18s var(--ease);
}
.lang-btn.is-active { background: var(--c-blue); color: var(--c-dark); }
.lang-btn:not(.is-active):hover { background: rgba(16, 21, 28, 0.06); }
.lang-sep { display: none; }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  background: none;
  border: 1px solid var(--c-steel-300);
  border-radius: var(--radius);
}
.nav-toggle span {
  display: block;
  width: 20px; height: 2px;
  margin-inline: auto;
  background: var(--c-dark);
  transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero (video background claro, estilo videos de marketing) ---------- */
.hero {
  position: relative;
  background: var(--c-white);
  color: var(--c-dark);
  overflow: hidden;
  min-height: min(88vh, 760px);
  display: flex;
  align-items: center;
  padding: clamp(96px, 14vh, 160px) 0 clamp(72px, 12vh, 128px);
}
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  /* El archivo ya viene SIN barras negras: se recortaron con ffmpeg desde el
     original (crop 724px de escena + reescalado Lanczos 2x con nitidez, mejor
     que el zoom del navegador — nada de transform: scale acá). El encuadre
     vertical se elige con object-position. */
  object-position: 50% 44%;
  /* Los videos de Gemini traen gris de estudio: se sube el punto blanco y la
     saturación con moderación (brillo alto + velo = efecto "filtro blanco",
     descartado por el usuario 19-07-2026). */
  filter: brightness(1.12) saturate(1.45);
}
/* Scrim claro SOLO donde hay texto (columna izquierda y base): el velo se
   apaga del todo antes de llegar al equipo, así el video se ve limpio y sin
   "filtro blanco" encima. El refuerzo izquierdo sostiene el AA del texto. */
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.88) 0%, rgba(255, 255, 255, 0.55) 45%, rgba(255, 255, 255, 0) 72%),
    linear-gradient(0deg, rgba(255, 255, 255, 0.55) 0%, transparent 26%);
}

.hero-inner {
  position: relative;
  z-index: 2;
}
.hero-copy {
  max-width: 620px;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.2rem, 8vw, 6rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 6px 0 0;
  /* Celeste de marca: el wordmark del producto, como en los videos de marketing */
  color: var(--c-blue);
}
.hero-subtitle {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  line-height: 1.25;
  margin: 18px 0 0;
  color: var(--c-dark);
  max-width: 24ch;
}
/* Característica rotativa: aparece y desaparece de a una, estilo videos de
   marketing — GRANDE, como en el video del reactor */
.hero-feature {
  margin: 22px 0 0;
  min-height: 2.5em; /* reserva 2 líneas: los CTAs no saltan al rotar */
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--c-dark);
  max-width: 24ch;
  opacity: 1;
  transition: opacity 0.35s var(--ease);
}
.hero-feature.is-out { opacity: 0; }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

/* ---------- Intro ---------- */
.intro-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.intro-head { position: sticky; top: calc(var(--header-h) + 30px); }
.intro-body p { font-size: 1.1rem; color: var(--c-steel-500); }
.intro-body strong { color: var(--c-dark); font-weight: 700; }

.intro-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 36px;
  padding-top: 32px;
  border-top: 1px solid var(--c-line);
}
.stat { display: flex; flex-direction: column; }
.stat-num {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
  color: var(--c-dark);
  line-height: 1;
}
.stat-label {
  font-family: var(--font-body);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-steel-500);
  margin-top: 8px;
}

/* ---------- Trust band ---------- */
/* Franja formato Siemens (print del usuario, 20-07-2026): fondo azul bien
   oscuro, textos blancos/grises claros y el celeste de marca como acento */
.trust-band {
  background: var(--c-blue-deep);
  color: var(--c-white);
  padding: clamp(36px, 5vw, 52px) 0;
}
.trust-list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1.02rem;
  color: var(--c-white);
  line-height: 1.3;
}
.trust-icon {
  flex-shrink: 0;
  width: 34px; height: 34px;
  fill: none;
  stroke: var(--c-white);
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.trust-icon .ic-accent { stroke: var(--c-blue); }

.applications {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}
.applications-label {
  font-family: var(--font-body);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.72);
}
.applications-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0; padding: 0;
}
.applications-list li {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--c-dark);
  background: var(--c-white);
  border: 1px solid rgba(16, 21, 28, 0.1);
  border-radius: 999px;
  padding: 6px 16px;
}

/* ---------- Features ---------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--c-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 34px 30px;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.feature-card--muted { background: var(--c-bg-soft); }

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  border-radius: 14px;
  background: rgba(42, 166, 248, 0.1);
  margin-bottom: 22px;
}
.feature-icon svg {
  width: 30px; height: 30px;
  fill: none;
  stroke: var(--c-dark);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.feature-icon .ic-accent { stroke: var(--c-blue); }

.feature-title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.3rem;
  line-height: 1.2;
  color: var(--c-dark);
  margin: 0 0 12px;
}
.feature-card p { color: var(--c-steel-500); font-size: 1.02rem; }

/* ---------- Advantage (franja clara) ---------- */
.advantage {
  background: var(--c-blue-deep);
  color: var(--c-white);
}
/* Formato Siemens sobre azul oscuro: kicker en BLANCO, TÍTULO en azul
   eléctrico (definido en SaniFlow, 20-07-2026), secundarios en gris claro,
   acentos en el celeste de marca */
.advantage .eyebrow,
.quote .eyebrow { color: var(--c-white); }
.advantage .section-title,
.quote .section-title { color: var(--c-blue-bright); }
.advantage .section-lead,
.quote .section-lead { color: rgba(255, 255, 255, 0.75); }
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.adv-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  transition: background-color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.adv-card:hover {
  background: rgba(42, 166, 248, 0.08);
  border-color: rgba(42, 166, 248, 0.45);
  transform: translateY(-4px);
}
.adv-num {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--c-blue);
  display: block;
  margin-bottom: 14px;
}
.adv-title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.3rem;
  line-height: 1.2;
  color: var(--c-white);
  margin: 0 0 10px;
}
.adv-card p { color: rgba(255, 255, 255, 0.72); font-size: 1rem; }
.adv-card strong { color: var(--c-blue); font-weight: 700; }

/* ---------- Manufacturing / group ---------- */
.manufacturing { background: var(--c-bg-soft); }

.mfg-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.mfg-card {
  background: var(--c-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 34px 30px;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.mfg-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.mfg-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px; height: 54px;
  border-radius: 14px;
  background: rgba(6, 16, 32, 0.06);
  margin-bottom: 20px;
}
.mfg-icon svg {
  width: 28px; height: 28px;
  fill: none;
  stroke: var(--c-dark);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.mfg-icon .ic-accent { stroke: var(--c-blue); }
.mfg-kicker {
  display: block;
  font-family: var(--font-body);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.8rem;
  color: var(--c-blue-text);
  margin-bottom: 8px;
}
.mfg-name {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.3rem;
  line-height: 1.2;
  color: var(--c-dark);
  margin: 0 0 12px;
}
.mfg-card p { color: var(--c-steel-500); font-size: 1.02rem; }

.mfg-highlight {
  margin-top: 32px;
  /* Momento azul de marca: degradé celeste → cyan → teal con texto oscuro (pasa AA) */
  background: linear-gradient(120deg, var(--c-blue) 0%, var(--c-cyan) 45%, var(--c-teal) 100%);
  color: var(--c-dark);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 44px);
}
.mfg-highlight p { font-size: 1.14rem; line-height: 1.6; color: rgba(16, 21, 28, 0.85); }
.mfg-highlight strong { color: var(--c-dark); font-weight: 800; }

/* ---------- Range + configurator ---------- */
.range { background: var(--c-white); }

.configurator {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 32px;
  background: var(--c-bg-soft);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3vw, 40px);
  margin-bottom: clamp(48px, 6vw, 72px);
}

.config-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px 24px;
}
.config-field { display: flex; flex-direction: column; }
.config-field label {
  font-family: var(--font-body);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.82rem;
  color: var(--c-steel-500);
  margin-bottom: 8px;
}
.config-fixed {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--c-dark);
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 11px 14px;
}

select, input, textarea {
  font-family: var(--font-body);
  font-size: 1.02rem;
  color: var(--c-steel-700);
  background: var(--c-white);
  border: 1px solid var(--c-steel-300);
  border-radius: var(--radius);
  padding: 11px 14px;
  width: 100%;
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23545D64' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}
select:focus, input:focus, textarea:focus {
  outline: none;
  border-color: var(--c-blue);
  box-shadow: 0 0 0 3px rgba(42, 166, 248, 0.18);
}
select:disabled { opacity: 0.55; cursor: not-allowed; }
textarea { resize: vertical; }

.config-output {
  /* Panel celeste de marca con texto oscuro (pasa AA) */
  background: linear-gradient(120deg, var(--c-blue) 0%, var(--c-cyan) 45%, var(--c-teal) 100%);
  border-radius: var(--radius-lg);
  padding: 32px 30px;
  color: var(--c-dark);
  display: flex;
  flex-direction: column;
}
.config-output-label {
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  color: rgba(16, 21, 28, 0.72);
  margin: 0 0 12px;
}
.config-code {
  font-family: ui-monospace, 'Cascadia Mono', Consolas, monospace;
  font-weight: 700;
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  letter-spacing: 0.01em;
  margin: 0;
  color: var(--c-dark);
}
.config-note {
  font-size: 0.95rem;
  color: rgba(16, 21, 28, 0.8);
  margin: 14px 0 0;
  line-height: 1.4;
}
/* CTA sobre el panel celeste: botón blanco con texto oscuro */
.config-output .btn-primary { background: var(--c-white); color: var(--c-dark); }
.config-output .btn-primary:hover { background: var(--c-green-soft); }
.config-cta { margin-top: auto; align-self: flex-start; }
.config-output .config-cta { margin-top: 24px; }

/* Models */
.models-title {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--c-dark);
  text-align: center;
  margin: 0 0 32px;
}
.model-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.model-card {
  position: relative;
  align-self: start; /* al expandir una tarjeta no estira a sus hermanas */
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  background: var(--c-white);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.model-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

/* Botón para desplegar especificaciones (táctil / accesible) */
.model-detail-toggle {
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  padding: 0;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.02em;
  color: var(--c-blue-text);
  transition: gap 0.2s var(--ease), color 0.2s var(--ease);
}
.model-detail-toggle svg {
  width: 18px; height: 18px;
  fill: none; stroke: currentColor; stroke-width: 2;
  stroke-linecap: round; stroke-linejoin: round;
  transition: transform 0.2s var(--ease);
}
.model-detail-toggle:hover { color: var(--c-dark); gap: 12px; }
.model-card.is-open .model-detail-toggle svg { transform: rotate(90deg); }

/* Panel de especificaciones: acordeón que se despliega hacia abajo
   (mismo comportamiento en desktop y mobile), empujando el contenido. */
.model-specs {
  position: relative;
  background: var(--c-green-soft);
  color: var(--c-steel-700);
  padding: 0 28px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.36s var(--ease), padding 0.36s var(--ease);
}
.model-card.is-open .model-specs {
  max-height: 720px;
  padding-top: 26px;
  padding-bottom: 26px;
}

.model-specs .ms-title {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--c-blue-text);
  margin: 0 0 4px;
}
.model-specs .ms-sub {
  font-family: var(--font-body);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-steel-500);
  margin: 0 0 16px;
}
.model-specs .ms-list { list-style: none; margin: 0; padding: 0; }
.model-specs .ms-list li {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 5px 0;
  border-bottom: 1px solid rgba(16, 21, 28, 0.1);
  font-size: 0.92rem;
  line-height: 1.3;
}
.model-specs .ms-list li:last-child { border-bottom: none; }
.model-specs .ms-list span { color: var(--c-steel-500); flex-shrink: 0; }
.model-specs .ms-list strong { color: var(--c-dark); font-weight: 600; text-align: right; }
.model-specs .ms-close {
  position: absolute;
  top: 14px; right: 14px;
  width: 34px; height: 34px;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(16, 21, 28, 0.08);
  border: none;
  border-radius: 50%;
  color: var(--c-dark);
  font-size: 1.2rem;
  line-height: 1;
}
.model-card.is-open .model-specs .ms-close { display: inline-flex; }
/* Galería de fotos por modelo: foto GRANDE (área cuadrada, casi sin margen)
   y varias vistas que se pasan hacia la derecha (scroll-snap + flechas) */
.model-media {
  position: relative;
  padding: 10px 10px 24px;
  aspect-ratio: 1 / 1;
}
.model-gallery {
  display: flex;
  height: 100%;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.model-gallery::-webkit-scrollbar { display: none; }
.model-gallery img {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  object-fit: contain;
  scroll-snap-align: center;
  filter: drop-shadow(0 14px 20px rgba(6, 16, 32, 0.16));
}
.gal-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 38px; height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-card);
  color: var(--c-dark);
  transition: background-color 0.18s var(--ease);
}
.gal-btn:hover { background: var(--c-blue); }
.gal-btn svg {
  width: 20px; height: 20px;
  fill: none; stroke: currentColor; stroke-width: 2.2;
  stroke-linecap: round; stroke-linejoin: round;
}
.gal-prev { left: 12px; }
.gal-next { right: 12px; }
.gal-dots {
  position: absolute;
  left: 0; right: 0; bottom: 8px;
  display: flex;
  justify-content: center;
  gap: 6px;
}
.gal-dots span {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c-steel-300);
  transition: background-color 0.18s var(--ease);
}
.gal-dots span.is-active { background: var(--c-blue); }
.model-info {
  padding: 8px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.model-code {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: 0.02em;
  color: var(--c-dark);
}
.model-cap {
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--c-steel-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---------- Quote ---------- */
.quote {
  background: var(--c-blue-deep);
  color: var(--c-white);
}
.quote-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(36px, 5vw, 72px);
  align-items: start;
}
.quote-intro { padding-top: 8px; }
.quote-points {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.quote-points li {
  position: relative;
  padding-left: 26px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.05rem;
}
.quote-points li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--c-blue);
  font-weight: 800;
}

.quote-form {
  background: var(--c-white);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3vw, 40px);
  box-shadow: var(--shadow-md);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; display: flex; flex-direction: column; }
.form-group label {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-steel-500);
  margin-bottom: 8px;
}
.form-error {
  display: none;
  font-size: 0.88rem;
  color: var(--c-error);
  margin-top: 6px;
}
.form-group.has-error input,
.form-group.has-error select { border-color: var(--c-error); }
.form-group.has-error .form-error { display: block; }

.form-status {
  margin: 16px 0 0;
  font-size: 0.98rem;
  text-align: center;
  min-height: 1.4em;
}
.form-status.is-success { color: #1B7F4B; font-weight: 600; }
.form-status.is-error { color: var(--c-error); font-weight: 600; }

/* ---------- Footer (degradé celeste → cyan → teal, texto oscuro) ---------- */
.site-footer {
  background: linear-gradient(160deg, var(--c-blue) 0%, var(--c-cyan) 45%, var(--c-teal) 100%);
  color: rgba(16, 21, 28, 0.82);
  padding: clamp(48px, 6vw, 72px) 0 32px;
  font-size: 0.98rem;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(16, 21, 28, 0.18);
}
.footer-logo { height: 42px; width: auto; filter: brightness(0) invert(1); opacity: 0.95; }
.footer-tagline { margin-top: 16px; max-width: 34ch; }
.footer-col h4 {
  font-family: var(--font-body);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.9rem;
  color: var(--c-dark);
  margin: 0 0 16px;
}
.footer-col address { font-style: normal; line-height: 1.8; }
.footer-col a { color: var(--c-dark); font-weight: 700; transition: color 0.18s var(--ease); }
.footer-col a:hover { text-decoration: underline; }
.footer-link { display: inline-block; color: var(--c-dark); font-weight: 700; }
.footer-brands { margin-top: 16px; font-size: 0.9rem; color: rgba(16, 21, 28, 0.78); }

.footer-bottom {
  padding-top: 28px;
  font-size: 0.86rem;
  color: rgba(16, 21, 28, 0.78);
}
.footer-legal { margin-top: 12px; max-width: none; line-height: 1.6; font-size: 0.82rem; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

/* Movimiento reducido: sin video de fondo (queda el blanco) y la
   característica del hero fija, sin rotación (lo maneja el JS). */
@media (prefers-reduced-motion: reduce) {
  .hero-video { display: none; }
  .hero-feature { transition: none; }
}

/* =========================================================================
   Responsive
   ========================================================================= */
@media (max-width: 980px) {
  .intro-grid { grid-template-columns: 1fr; }
  .intro-head { position: static; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .advantage-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-list { grid-template-columns: repeat(2, 1fr); }
  .mfg-grid { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; }
  .configurator { grid-template-columns: 1fr; }
  .quote-grid { grid-template-columns: 1fr; }
}

/* Colapso del nav a burger: mismo umbral que SaniFlow (900px).
   El CTA de cotización queda SIEMPRE visible (objetivo único de la página). */
@media (max-width: 900px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }

  .site-header.nav-open .main-nav {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--c-white);
    border-top: 1px solid var(--c-line);
    box-shadow: 0 12px 24px rgba(6, 16, 32, 0.12);
    margin: 0;
    padding: 8px 24px 16px;
  }
  .site-header.nav-open .main-nav a { padding: 14px 0; border-bottom: 1px solid var(--c-line); }
  .site-header.nav-open .main-nav a::after { display: none; }

  .header-actions { margin-left: auto; }
}

@media (max-width: 760px) {
  .model-grid { grid-template-columns: 1fr; max-width: 420px; margin-inline: auto; }
  .config-form { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .feature-grid, .advantage-grid, .trust-list { grid-template-columns: 1fr; }
  .intro-stats { grid-template-columns: 1fr; gap: 22px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .hero-actions .btn, .quote-form .btn, .config-cta { width: 100%; }

  /* Header compacto: logo + idioma + CTA "Cotizar" + burger entran en 360px */
  .brand-logo { width: 96px; }
  .header-inner { gap: 10px; }
  .lang-btn { padding: 5px 7px; font-size: 0.85rem; }
  .cta-header { padding: 8px 12px; font-size: 0.88rem; }
  .nav-toggle { width: 38px; height: 38px; }
}