/* ==========================================================================
   BUEN-CEMENTO S.A. · Rediseño Editorial Awwwards (SimCodec)
   Brutalismo industrial refinado · WCAG AAA · Sin dependencias externas
   ========================================================================== */

@font-face {
  font-family: 'Inter';
  src: url('fonts/inter-400-normal.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('fonts/inter-500-normal.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('fonts/inter-600-normal.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter Tight';
  src: url('fonts/inter-tight-700-normal.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter Tight';
  src: url('fonts/inter-tight-800-normal.woff2') format('woff2');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Paleta cromática oficial */
  --bg-carbon: #0B0E14;
  --bg-carbon-elevated: #121722;
  --bg-surface: #171E2C;
  --bg-surface-soft: #20293C;
  --bg-surface-light: #F4F5F7;
  
  --cemento-gris: #E6E8EB;
  --cemento-mute: #8E96A4;
  --cemento-dark: #323A4A;
  
  --blanco: #FFFFFF;
  --tinta-fuerte: #07090D;
  
  --rojo-industrial: #E01E26;
  --rojo-hover: #C5161D;
  --azul-estructural: #004BB4;
  --azul-hover: #003A8C;
  
  --borde-suave: rgba(255, 255, 255, 0.12);
  --borde-medio: rgba(255, 255, 255, 0.22);
  --borde-fuerte: rgba(255, 255, 255, 0.4);
  
  --f-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --f-display: 'Inter Tight', 'Inter', system-ui, sans-serif;
  --f-mono: ui-monospace, 'SFMono-Regular', Menlo, Monaco, Consolas, monospace;
  
  --gutter: clamp(18px, 4vw, 56px);
  --max-w: 1440px;
  --header-h: 120px;
  --radio-sm: 2px;
}

/* Reset y caja */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  background-color: var(--bg-carbon);
  color: var(--cemento-gris);
}

body {
  font-family: var(--f-body);
  font-size: 1rem;
  line-height: 1.6;
  background-color: var(--bg-carbon);
  color: var(--cemento-gris);
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

:focus-visible {
  outline: 2px solid var(--rojo-industrial);
  outline-offset: 3px;
}

/* Skip link de accesibilidad */
.skip-link {
  position: absolute;
  top: -80px;
  left: 20px;
  z-index: 1000;
  background: var(--rojo-industrial);
  color: var(--blanco);
  font-weight: 700;
  padding: 12px 20px;
  border-radius: var(--radio-sm);
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 16px;
}

/* Trama industrial de fondo (Noise / Grilla) */
.grid-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.035;
  background-size: 48px 48px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.4) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.4) 1px, transparent 1px);
}

/* ==========================================================================
   HEADER Y DEMO BAR (OBLIGATORIOS SIMCODEC)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: rgba(11, 14, 20, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--borde-suave);
  transition: transform 0.3s ease;
}

.demo-bar {
  background: #06080C;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.78rem;
  color: var(--cemento-mute);
}

.demo-bar-text {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px 16px;
  padding: 7px var(--gutter);
  text-align: center;
  line-height: 1.4;
}

.demo-corto {
  display: none;
}

.demo-bar-link {
  color: var(--blanco);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  text-decoration: underline;
  text-underline-offset: 3px;
  white-space: nowrap;
  transition: color 0.2s ease;
}
.demo-bar-link:hover {
  color: var(--rojo-industrial);
}

.demo-bar-link svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.demo-bar-modelos {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-left: 10px;
  border-left: 1px solid rgba(255, 255, 255, 0.15);
}

.demo-bar-modelos__label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--cemento-mute);
}

.demo-bar-modelos__enlace {
  color: var(--cemento-gris);
  font-weight: 500;
  padding: 2px 7px;
  border-radius: 2px;
  font-size: 0.75rem;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.demo-bar-modelos__enlace:hover {
  border-color: var(--borde-medio);
  color: var(--blanco);
}

.demo-bar-modelos__enlace.actual {
  background: rgba(224, 30, 38, 0.15);
  border-color: var(--rojo-industrial);
  color: #FF5A60;
  font-weight: 700;
}

/* Barra de navegación principal */
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 12px var(--gutter);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 0 0 auto;
}

.brand-logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.brand-badge {
  font-size: 0.68rem;
  font-family: var(--f-mono);
  background: var(--bg-surface);
  border: 1px solid var(--borde-suave);
  color: var(--cemento-mute);
  padding: 3px 8px;
  border-radius: var(--radio-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.5vw, 36px);
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--cemento-gris);
  padding: 6px 0;
  position: relative;
  transition: color 0.2s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--rojo-industrial);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link:hover {
  color: var(--blanco);
}
.nav-link:hover::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 0 0 auto;
}

/* Botones con estilo brutalista / industrial */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--f-display);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 12px 24px;
  border-radius: var(--radio-sm);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  position: relative;
  cursor: pointer;
}

.btn-rojo {
  background: var(--rojo-industrial);
  color: var(--blanco);
  border: 1px solid var(--rojo-industrial);
}
.btn-rojo:hover {
  background: var(--rojo-hover);
  border-color: var(--rojo-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(224, 30, 38, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--blanco);
  border: 1px solid var(--borde-medio);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--blanco);
  transform: translateY(-2px);
}

.btn-sm {
  font-size: 0.78rem;
  padding: 8px 16px;
}

.btn svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.2s ease;
}
.btn:hover svg {
  transform: translateX(3px);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  background: var(--bg-surface);
  border: 1px solid var(--borde-suave);
  border-radius: var(--radio-sm);
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--blanco);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* Menú móvil desplegable */
.menu-movil {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(11, 14, 20, 0.98);
  backdrop-filter: blur(20px);
  z-index: 190;
  padding: 32px var(--gutter);
  flex-direction: column;
  justify-content: space-between;
  border-top: 1px solid var(--borde-suave);
}

.menu-movil.abierto {
  display: flex;
}

.menu-movil-lista {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.menu-movil-lista a {
  font-family: var(--f-display);
  font-size: 1.5rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--cemento-gris);
}

.menu-movil-lista a:hover {
  color: var(--rojo-industrial);
}

/* ==========================================================================
   HERO MONUMENTAL
   ========================================================================== */
.hero {
  position: relative;
  z-index: 2;
  padding-top: calc(var(--header-h) + 32px);
  padding-bottom: 72px;
  border-bottom: 1px solid var(--borde-suave);
  overflow: hidden;
}

.hero-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.eyebrow-box {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.eyebrow-tag {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rojo-industrial);
  font-weight: 700;
  background: rgba(224, 30, 38, 0.1);
  padding: 4px 10px;
  border: 1px solid rgba(224, 30, 38, 0.3);
  border-radius: var(--radio-sm);
}

.eyebrow-salvacero {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--cemento-mute);
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--f-display);
  font-size: clamp(2.4rem, 5.2vw, 4.6rem);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--blanco);
}

.hero-title .acento-rojo {
  color: var(--rojo-industrial);
  display: inline-block;
}

.hero-desc {
  font-size: clamp(1rem, 1.25vw, 1.2rem);
  line-height: 1.55;
  color: #BDC5D1;
  max-width: 600px;
}

.hero-badges-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 6px;
  margin-bottom: 8px;
}

.hero-badge-card {
  background: var(--bg-carbon-elevated);
  border: 1px solid var(--borde-suave);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-radius: var(--radio-sm);
}

.badge-card-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--borde-suave);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--rojo-industrial);
}

.badge-card-icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.badge-card-info {
  display: flex;
  flex-direction: column;
}

.badge-card-val {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--blanco);
  line-height: 1.2;
}

.badge-card-lbl {
  font-size: 0.72rem;
  color: var(--cemento-mute);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-top: 8px;
}

/* Fotografía principal Hero con arquitectura brutalista */
.hero-media-wrap {
  position: relative;
  border: 1px solid var(--borde-medio);
  background: var(--bg-surface);
  border-radius: var(--radio-sm);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
}

.hero-media-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 14, 20, 0) 60%, rgba(11, 14, 20, 0.85) 100%);
  z-index: 2;
  pointer-events: none;
}

.hero-img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3.4;
  object-fit: cover;
  filter: contrast(1.05) brightness(0.95);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.hero-media-wrap:hover .hero-img {
  transform: scale(1.03);
}

.hero-media-meta {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  z-index: 3;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  background: rgba(11, 14, 20, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--borde-suave);
  padding: 12px 16px;
}

.meta-title {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--blanco);
  text-transform: uppercase;
}

.meta-sub {
  font-size: 0.75rem;
  color: var(--cemento-mute);
  font-family: var(--f-mono);
}

.meta-stamp {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  background: var(--rojo-industrial);
  color: var(--blanco);
  padding: 3px 8px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   MARQUESINA INDUSTRIAL
   ========================================================================== */
.marquee-bar {
  background: var(--bg-carbon-elevated);
  border-bottom: 1px solid var(--borde-suave);
  overflow: hidden;
  user-select: none;
  padding: 14px 0;
  position: relative;
  z-index: 2;
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: scrollMarquee 32s linear infinite;
}

.marquee-bar:hover .marquee-track {
  animation-play-state: paused;
}

.marquee-list {
  display: flex;
  align-items: center;
  gap: 36px;
  padding-right: 36px;
  white-space: nowrap;
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--cemento-gris);
}

.marquee-sep {
  color: var(--rojo-industrial);
  font-size: 1.1rem;
}

@keyframes scrollMarquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ==========================================================================
   SECCIÓN MANIFIESTO ESTRUCTURAL
   ========================================================================== */
.manifiesto {
  position: relative;
  z-index: 2;
  padding: 100px 0;
  border-bottom: 1px solid var(--borde-suave);
  background: var(--bg-carbon);
}

.manifiesto-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 0.35fr 0.65fr;
  gap: clamp(32px, 5vw, 64px);
}

.section-label {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.label-num {
  font-family: var(--f-mono);
  font-size: 0.85rem;
  color: var(--rojo-industrial);
  font-weight: 700;
  letter-spacing: 0.1em;
}

.label-title {
  font-family: var(--f-display);
  font-size: 1.15rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--blanco);
}

.label-line {
  width: 48px;
  height: 2px;
  background: var(--rojo-industrial);
}

.manifiesto-text-wrap {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.manifiesto-lead {
  font-family: var(--f-display);
  font-size: clamp(1.8rem, 3.2vw, 2.7rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--blanco);
}

.manifiesto-lead span {
  color: var(--cemento-mute);
  font-weight: 400;
}

.manifiesto-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  color: #A6AFBD;
  font-size: 1.05rem;
  line-height: 1.7;
}

.manifiesto-cols p strong {
  color: var(--blanco);
}

/* ==========================================================================
   CATÁLOGO TÉCNICO DE CEMENTO Y OBRA GRIS
   ========================================================================== */
.catalogo {
  position: relative;
  z-index: 2;
  padding: 110px 0;
  border-bottom: 1px solid var(--borde-suave);
  background: var(--bg-carbon-elevated);
}

.catalogo-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

.section-head-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.section-head-title {
  font-family: var(--f-display);
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--blanco);
  line-height: 1.08;
}

.catalogo-filtro {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--bg-surface);
  border: 1px solid var(--borde-suave);
  color: var(--cemento-mute);
  font-family: var(--f-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 8px 16px;
  border-radius: var(--radio-sm);
  transition: all 0.2s ease;
}

.filter-btn:hover {
  color: var(--blanco);
  border-color: var(--borde-medio);
}

.filter-btn.activo {
  background: var(--rojo-industrial);
  border-color: var(--rojo-industrial);
  color: var(--blanco);
  font-weight: 700;
}

/* Grid de fichas técnicas */
.catalogo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.ficha-card {
  background: var(--bg-surface);
  border: 1px solid var(--borde-suave);
  border-radius: var(--radio-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 28px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
}

.ficha-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--borde-medio);
  transition: background 0.25s ease;
}

.ficha-card:hover {
  transform: translateY(-4px);
  border-color: var(--borde-fuerte);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
}

.ficha-card:hover::before {
  background: var(--rojo-industrial);
}

.ficha-card.destacada {
  border-color: rgba(224, 30, 38, 0.45);
  background: #141A26;
}
.ficha-card.destacada::before {
  background: var(--rojo-industrial);
}

.ficha-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.ficha-norma {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  color: var(--rojo-industrial);
  background: rgba(224, 30, 38, 0.1);
  padding: 3px 8px;
  border-radius: 2px;
  letter-spacing: 0.06em;
  font-weight: 700;
}

.ficha-cat {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  color: var(--cemento-mute);
  text-transform: uppercase;
}

.ficha-nombre {
  font-family: var(--f-display);
  font-size: 1.45rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--blanco);
  line-height: 1.15;
  margin-bottom: 12px;
}

.ficha-desc {
  font-size: 0.92rem;
  color: #9EA8B6;
  line-height: 1.55;
  margin-bottom: 24px;
}

.ficha-specs {
  border-top: 1px solid var(--borde-suave);
  padding-top: 16px;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
}

.spec-lbl {
  color: var(--cemento-mute);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.spec-val {
  font-family: var(--f-mono);
  color: var(--blanco);
  font-weight: 600;
}

.ficha-cta-wrap {
  margin-top: auto;
}

.ficha-cta {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--bg-carbon);
  border: 1px solid var(--borde-suave);
  color: var(--blanco);
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: var(--radio-sm);
  transition: all 0.2s ease;
}

.ficha-cta:hover {
  background: var(--rojo-industrial);
  border-color: var(--rojo-industrial);
}

.ficha-cta svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
}

/* ==========================================================================
   DELIVERY: «TU DELIVERY, MAESTRO»
   ========================================================================== */
.delivery-section {
  position: relative;
  z-index: 2;
  padding: 110px 0;
  border-bottom: 1px solid var(--borde-suave);
  background: var(--bg-carbon);
}

.delivery-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(36px, 6vw, 72px);
  align-items: center;
}

.delivery-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.delivery-title {
  font-family: var(--f-display);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.05;
  color: var(--blanco);
  letter-spacing: -0.02em;
}

.delivery-title .acento-rojo {
  color: var(--rojo-industrial);
}

.delivery-desc {
  font-size: 1.08rem;
  color: #A9B3C2;
  line-height: 1.6;
}

.delivery-steps {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 8px;
}

.delivery-step {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 16px;
  background: var(--bg-carbon-elevated);
  border: 1px solid var(--borde-suave);
  border-radius: var(--radio-sm);
}

.step-num {
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: 1rem;
  color: var(--rojo-industrial);
  background: rgba(224, 30, 38, 0.12);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radio-sm);
  flex-shrink: 0;
}

.step-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.step-head {
  font-family: var(--f-display);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--blanco);
}

.step-text {
  font-size: 0.88rem;
  color: var(--cemento-mute);
  line-height: 1.45;
}

.delivery-media-wrap {
  position: relative;
  background: radial-gradient(circle at center, #1E2738 0%, #0D121B 100%);
  border: 1px solid var(--borde-medio);
  padding: 40px;
  border-radius: var(--radio-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.delivery-img {
  width: 100%;
  max-width: 480px;
  height: auto;
  filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.7));
  transition: transform 0.4s ease;
}

.delivery-media-wrap:hover .delivery-img {
  transform: scale(1.04) translateY(-6px);
}

.delivery-media-badge {
  margin-top: 24px;
  background: var(--bg-surface);
  border: 1px solid var(--borde-suave);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  border-radius: var(--radio-sm);
  width: 100%;
  justify-content: space-around;
}

.d-badge-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.d-badge-val {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--blanco);
}

.d-badge-lbl {
  font-size: 0.7rem;
  color: var(--cemento-mute);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   SECCIÓN CRÉDITO EMPRESARIAL / SALVACRÉDITO
   ========================================================================== */
.credito-section {
  position: relative;
  z-index: 2;
  padding: 110px 0;
  border-bottom: 1px solid var(--borde-suave);
  background: var(--bg-carbon-elevated);
}

.credito-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.credito-banner-card {
  position: relative;
  border: 1px solid var(--borde-medio);
  border-radius: var(--radio-sm);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--bg-surface);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

.credito-banner-img-wrap {
  position: relative;
  height: 100%;
  min-height: 420px;
}

.credito-banner-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.credito-banner-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, transparent 60%, var(--bg-surface) 100%);
  pointer-events: none;
}

.credito-content {
  padding: clamp(32px, 5vw, 64px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
}

.credito-tag {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--azul-estructural);
  background: rgba(0, 75, 180, 0.14);
  border: 1px solid rgba(0, 75, 180, 0.35);
  padding: 4px 10px;
  align-self: flex-start;
  font-weight: 700;
  border-radius: var(--radio-sm);
}

.credito-title {
  font-family: var(--f-display);
  font-size: clamp(2rem, 3.2vw, 2.8rem);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--blanco);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.credito-desc {
  font-size: 0.98rem;
  color: #ABB4C2;
  line-height: 1.6;
}

.credito-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 8px 0;
}

.credito-feat-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--cemento-gris);
}

.credito-feat-item svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: var(--rojo-industrial);
  stroke-width: 2.2;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ==========================================================================
   MÉTRICAS INDUSTRIALES
   ========================================================================== */
.metricas-section {
  position: relative;
  z-index: 2;
  padding: 80px 0;
  border-bottom: 1px solid var(--borde-suave);
  background: var(--bg-carbon);
}

.metricas-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.metricas-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.metrica-card {
  background: var(--bg-carbon-elevated);
  border: 1px solid var(--borde-suave);
  border-left: 3px solid var(--rojo-industrial);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-radius: var(--radio-sm);
}

.metrica-num {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  color: var(--blanco);
  line-height: 1;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.metrica-unit {
  font-size: 1.5rem;
  color: var(--rojo-industrial);
}

.metrica-title {
  font-family: var(--f-display);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--blanco);
}

.metrica-desc {
  font-size: 0.82rem;
  color: var(--cemento-mute);
  line-height: 1.4;
}

/* ==========================================================================
   COTIZADOR TÉCNICO INTERACTIVO / WHATSAPP
   ========================================================================== */
.cotizador-section {
  position: relative;
  z-index: 2;
  padding: 110px 0;
  border-bottom: 1px solid var(--borde-suave);
  background: var(--bg-carbon-elevated);
}

.cotizador-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(36px, 6vw, 72px);
  align-items: center;
}

.cotizador-intro {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.cotizador-title {
  font-family: var(--f-display);
  font-size: clamp(2.2rem, 3.8vw, 3.2rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--blanco);
  line-height: 1.08;
}

.cotizador-desc {
  font-size: 1.05rem;
  color: #A6AFBD;
  line-height: 1.6;
}

.cotizador-directo {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--bg-surface);
  border: 1px solid var(--borde-suave);
  padding: 20px;
  border-radius: var(--radio-sm);
  margin-top: 10px;
}

.directo-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
}

.directo-row svg {
  width: 20px;
  height: 20px;
  stroke: var(--rojo-industrial);
  stroke-width: 2;
  flex-shrink: 0;
}

.cotizador-box {
  background: var(--bg-surface);
  border: 1px solid var(--borde-medio);
  padding: clamp(28px, 4vw, 44px);
  border-radius: var(--radio-sm);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.cotizador-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--borde-suave);
  padding-bottom: 16px;
}

.cotizador-head-title {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 1.25rem;
  text-transform: uppercase;
  color: var(--blanco);
}

.cotizador-tag {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  color: var(--rojo-industrial);
  background: rgba(224, 30, 38, 0.1);
  padding: 3px 8px;
  border-radius: 2px;
  font-weight: 700;
}

.calc-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.calc-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.calc-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--cemento-mute);
  font-weight: 600;
}

.calc-input, .calc-select {
  width: 100%;
  background: var(--bg-carbon);
  border: 1px solid var(--borde-suave);
  color: var(--blanco);
  font-family: var(--f-body);
  font-size: 1rem;
  padding: 12px 16px;
  border-radius: var(--radio-sm);
  transition: border-color 0.2s ease;
}

.calc-input:focus, .calc-select:focus {
  border-color: var(--rojo-industrial);
  outline: none;
}

.calc-summary {
  background: var(--bg-carbon);
  border: 1px dashed var(--borde-medio);
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.summary-lbl {
  font-size: 0.85rem;
  color: var(--cemento-mute);
  text-transform: uppercase;
}

.summary-val {
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--blanco);
}

.btn-whatsapp-full {
  width: 100%;
  background: #25D366;
  color: #052611;
  font-weight: 800;
  border: 1px solid #25D366;
  gap: 12px;
  padding: 16px;
  font-size: 0.95rem;
}

.btn-whatsapp-full:hover {
  background: #1EBE5D;
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp-full svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
  stroke: none;
}

/* ==========================================================================
   FOOTER INSTITUCIONAL (OBLIGATORIO SIMCODEC)
   ========================================================================== */
.site-footer {
  position: relative;
  z-index: 2;
  background: #06080C;
  border-top: 1px solid var(--borde-suave);
  color: var(--cemento-mute);
}

.footer-top {
  padding: 80px 0 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.footer-logo {
  height: 48px;
  width: auto;
  align-self: flex-start;
}

.footer-desc {
  font-size: 0.88rem;
  line-height: 1.6;
  color: #8C94A2;
}

.footer-col-title {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--blanco);
  margin-bottom: 4px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.88rem;
  color: #9BA4B2;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--rojo-industrial);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: #A3ACB9;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  stroke: var(--rojo-industrial);
  stroke-width: 2;
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-social-links {
  display: flex;
  gap: 12px;
  margin-top: 6px;
}

.footer-social-btn {
  width: 38px;
  height: 38px;
  background: var(--bg-surface);
  border: 1px solid var(--borde-suave);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blanco);
  border-radius: var(--radio-sm);
  transition: all 0.2s ease;
}

.footer-social-btn:hover {
  background: var(--rojo-industrial);
  border-color: var(--rojo-industrial);
  transform: translateY(-2px);
}

.footer-social-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.footer-bottom {
  padding: 24px 0;
  background: #040508;
  font-size: 0.8rem;
  color: #727A88;
}

.footer-bottom-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
  text-align: center;
}

.footer-disclaimer {
  line-height: 1.5;
  max-width: 900px;
}

.footer-disclaimer a {
  color: var(--cemento-gris);
  text-decoration: underline;
}

.footer-modelos-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px 16px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  width: 100%;
}

.footer-modelos-bar a {
  color: var(--cemento-mute);
  transition: color 0.2s ease;
}

.footer-modelos-bar a:hover {
  color: var(--blanco);
}

.footer-modelos-bar a.actual {
  color: var(--rojo-industrial);
  font-weight: 700;
}

/* ==========================================================================
   RESPONSIVIDAD Y MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1100px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .catalogo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .metricas-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .delivery-container {
    grid-template-columns: 1fr;
  }
  .credito-banner-card {
    grid-template-columns: 1fr;
  }
  .credito-banner-img-wrap {
    min-height: 280px;
  }
  .cotizador-container {
    grid-template-columns: 1fr;
  }
  .footer-container {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 860px) {
  .nav {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .demo-largo {
    display: none;
  }
  .demo-corto {
    display: inline;
  }
  .catalogo-grid {
    grid-template-columns: 1fr;
  }
  .manifiesto-container {
    grid-template-columns: 1fr;
  }
  .manifiesto-cols {
    grid-template-columns: 1fr;
  }
  .footer-container {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

@media (max-width: 600px) {
  .hero-badges-grid {
    grid-template-columns: 1fr;
  }
  .metricas-grid {
    grid-template-columns: 1fr;
  }
  .credito-features {
    grid-template-columns: 1fr;
  }
  .demo-bar-modelos {
    border-left: none;
    padding-left: 0;
    width: 100%;
    justify-content: center;
  }
}