/* ============================================================
   Grupo Industronic × Expansión — RICH Article 2026
   Sección: Tecnología | Branded Content
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --ind-blue: rgb(8, 70, 205);
  /* Azul marca Industronic */
  --ind-blue-dk: rgb(5, 48, 140);
  /* Azul oscuro */
  --ind-blue-lt: rgb(30, 100, 230);
  /* Azul claro hover */
  --ind-cyan: #00C2E0;
  --ind-dark: #050D1A;
  --ind-dark2: #081428;
  --ind-mid: #0C1E3A;
  --ind-border: rgba(0, 194, 224, 0.18);
  --ind-border2: rgba(8, 70, 205, 0.25);
  --text-light: #D8E8F5;
  --text-muted: rgba(200, 220, 240, 0.55);
  --exp-red: #b0241c;
  --white: #ffffff;
  --off-white: #f6f8fb;
  --dark-text: #111827;
  --mid-text: #374151;
  --transition: all 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --font-head: 'Barlow Condensed', 'Impact', sans-serif;
  --font-body: 'Space Grotesk', 'Inter', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--dark-text);
  background-color: var(--white);
  overflow-x: hidden;
}

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

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

/* ═══════════════════════════════════════════════════════════
   HEADER — Expansión (rojo, centrado, como head_exp)
═══════════════════════════════════════════════════════════ */
.cabecera {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--exp-red);
  border-bottom: 4px solid #000;
  padding: 0.6rem 0;
  text-align: center;
  transition: background-color 0.4s ease, padding 0.4s ease;
}

.cabecera:hover {
  background-color: #8c1610;
}

.cabecera-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  padding: 0 1.5rem;
  flex-wrap: wrap;
}

.logo-exp {
  height: 24px;
  display: inline-block;
  filter: brightness(0) invert(1);
}

.presentado-sep {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}

.presentado-link {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
  transition: color 0.25s ease;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  padding-bottom: 1px;
}

.presentado-link:hover {
  color: #ffe08a;
  border-color: #ffe08a;
}

/* ═══════════════════════════════════════════════════════════
   HERO — Imagen full-bleed, tipografía oscura con overlay
═══════════════════════════════════════════════════════════ */
.hero-header {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 60px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  z-index: 0;
  filter: brightness(0.35) saturate(1.2);
  transform: scale(1.05);
  transition: transform 8s ease;
}

.hero-header:hover .hero-bg {
  transform: scale(1);
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(0, 194, 224, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 194, 224, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(170deg,
      rgba(5, 13, 26, 0.2) 0%,
      rgba(8, 70, 205, 0.3) 35%,
      rgba(5, 13, 26, 0.92) 100%);
  z-index: 2;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  z-index: 1;
  pointer-events: none;
}

.hero-orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(8, 70, 205, 0.4) 0%, transparent 70%);
  top: -100px;
  right: -100px;
  animation: orbFloat 8s ease-in-out infinite;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 194, 224, 0.2) 0%, transparent 70%);
  bottom: 0;
  left: 10%;
  animation: orbFloat 10s ease-in-out infinite reverse;
}

@keyframes orbFloat {

  0%,
  100% {
    transform: translate(0, 0);
  }

  50% {
    transform: translate(20px, -20px);
  }
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 0 1.5rem;
  max-width: 960px;
  margin: 0 auto;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--ind-cyan);
  margin-bottom: 1.5rem;
  padding: 0.45rem 1.2rem;
  border: 1px solid var(--ind-border);
  border-radius: 50px;
  backdrop-filter: blur(8px);
}

.hero-eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--ind-cyan);
  border-radius: 50%;
  animation: blink 1.8s ease-in-out infinite;
}

@keyframes blink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.2;
  }
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.8rem, 7vw, 6rem);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 0.97;
  letter-spacing: -0.01em;
  color: #fff;
  margin-bottom: 1.5rem;
}

.hero-title em {
  font-style: normal;
  color: var(--ind-cyan);
  display: block;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 300;
  color: rgba(216, 232, 245, 0.85);
  max-width: 640px;
  margin: 0 auto 2.5rem;
  line-height: 1.75;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50px;
  padding: 0.55rem 1.5rem;
  backdrop-filter: blur(8px);
}

.hero-badge a {
  color: var(--ind-cyan);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Solo la línea animada — sin texto "Scroll" */
.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.scroll-line {
  width: 1px;
  height: 52px;
  background: linear-gradient(to bottom, var(--ind-cyan), transparent);
  animation: scrollPulse 2.2s ease-in-out infinite;
}

@keyframes scrollPulse {

  0%,
  100% {
    opacity: 0.3;
    transform: scaleY(1);
  }

  50% {
    opacity: 1;
    transform: scaleY(1.15);
  }
}

/* ═══════════════════════════════════════════════════════════
   LOGO DIVIDER — Separador azul marca
═══════════════════════════════════════════════════════════ */
.logo-divider {
  background: var(--ind-blue);
  padding: 2rem 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-divider-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.divider-line {
  width: 80px;
  height: 1px;
  background: rgba(255, 255, 255, 0.3);
}

.logo-divider-img {
  height: 48px;
  width: auto;
  display: block;
  /* Sin fondo blanco: el SVG es blanco sobre el azul del divider */
}


/* ═══════════════════════════════════════════════════════════
   SECTION LABEL
═══════════════════════════════════════════════════════════ */
.section-eyebrow {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--ind-blue);
  margin-bottom: 0.75rem;
  display: block;
}

.section-eyebrow.light {
  color: var(--ind-cyan);
}

/* ═══════════════════════════════════════════════════════════
   INTRO — Fondo BLANCO, tipografía oscura
═══════════════════════════════════════════════════════════ */
.s-intro {
  background: var(--white);
  padding: 5rem 0;
  border-bottom: 1px solid #e5e9f0;
}

.s-intro .section-eyebrow {
  color: var(--ind-blue);
}

.s-intro h2 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 900;
  text-transform: uppercase;
  color: var(--dark-text);
  margin-bottom: 1.75rem;
  line-height: 1.05;
}

.s-intro p {
  font-size: 1.05rem;
  font-weight: 300;
  line-height: 1.9;
  color: var(--mid-text);
  margin-bottom: 1.2rem;
}

.s-intro p:first-of-type {
  font-size: 1.18rem;
  font-weight: 400;
  color: var(--dark-text);
}

/* Fallas list — blanco con borde azul */
.fallas-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 2rem 0;
}

.falla-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: rgba(8, 70, 205, 0.05);
  border: 1px solid rgba(8, 70, 205, 0.18);
  border-radius: 8px;
  transition: var(--transition);
}

.falla-item:hover {
  background: rgba(8, 70, 205, 0.1);
  border-color: var(--ind-blue);
  transform: translateY(-2px);
}

.falla-dot {
  width: 8px;
  height: 8px;
  background: var(--ind-blue);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 0.42rem;
}

.falla-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--dark-text);
  line-height: 1.4;
}

/* ═══════════════════════════════════════════════════════════
   GALLERY STRIP — 3 imágenes full-width
═══════════════════════════════════════════════════════════ */
.s-gallery {
  padding: 0;
  overflow: hidden;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  height: 62vh;
  min-height: 400px;
  gap: 4px;
}

.gallery-item {
  overflow: hidden;
  position: relative;
  cursor: pointer;
}

.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: block;
}

.gallery-item:hover .gallery-img {
  transform: scale(1.06);
}

.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8, 70, 205, 0.4) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.gallery-item:hover::after {
  opacity: 1;
}

/* ═══════════════════════════════════════════════════════════
   SECTION SPLIT — Texto + Imagen
═══════════════════════════════════════════════════════════ */
.s-split {
  padding: 5rem 0;
}

/* Variantes de color */
.s-split.white {
  background: var(--white);
}

.s-split.offwhite {
  background: var(--off-white);
}

.s-split.blue {
  background: var(--ind-blue);
}

.s-split.dark {
  background: var(--ind-dark2);
}

/* En fondo azul: textos blancos */
.s-split.blue .section-eyebrow {
  color: rgba(255, 255, 255, 0.7);
}

.s-split.blue .split-text h2 {
  color: #fff;
}

.s-split.blue .split-text h2 em {
  color: #a8d0ff;
}

.s-split.blue .split-text p {
  color: rgba(255, 255, 255, 0.85);
}

.s-split.blue .highlight-box {
  background: rgba(255, 255, 255, 0.1);
  border-left-color: #fff;
}

.s-split.blue .highlight-box p {
  color: #fff !important;
}

/* En fondo oscuro: textos claros */
.s-split.dark .section-eyebrow {
  color: var(--ind-cyan);
}

.s-split.dark .split-text h2 {
  color: #fff;
}

.s-split.dark .split-text h2 em {
  color: var(--ind-cyan);
}

.s-split.dark .split-text p {
  color: var(--text-light);
}

.split-text h2 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 1.05;
  color: var(--dark-text);
  margin-bottom: 1.5rem;
}

.split-text h2 em {
  font-style: normal;
  color: var(--ind-blue);
}

.split-text p {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.9;
  color: var(--mid-text);
  margin-bottom: 1rem;
}

/* Highlight box */
.highlight-box {
  background: rgba(8, 70, 205, 0.07);
  border-left: 3px solid var(--ind-blue);
  border-radius: 0 8px 8px 0;
  padding: 1.5rem 1.75rem;
  margin: 2.5rem 0;
  position: relative;
  overflow: hidden;
}

.highlight-box::after {
  content: '"';
  position: absolute;
  right: 1rem;
  top: -1rem;
  font-size: 6rem;
  font-family: Georgia, serif;
  color: var(--ind-blue);
  opacity: 0.08;
  line-height: 1;
}

.highlight-box p {
  font-size: 1.08rem !important;
  font-weight: 500 !important;
  font-style: italic;
  color: var(--dark-text) !important;
  margin: 0 !important;
  line-height: 1.7 !important;
}

/* Imagen frame */
.split-img {
  position: relative;
}

.img-frame {
  overflow: hidden;
  border-radius: 12px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(8, 70, 205, 0.12);
}

.img-frame img {
  width: 100%;
  display: block;
  transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.img-frame:hover img {
  transform: scale(1.04);
}

.img-frame::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 40px;
  height: 40px;
  border-top: 2px solid var(--ind-blue);
  border-left: 2px solid var(--ind-blue);
  border-radius: 12px 0 0 0;
  z-index: 2;
  pointer-events: none;
}

.img-badge {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  background: rgba(8, 70, 205, 0.9);
  border-radius: 6px;
  padding: 0.5rem 0.85rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #fff;
  z-index: 3;
  backdrop-filter: blur(8px);
}

/* ═══════════════════════════════════════════════════════════
   QUOTE PULL — Fondo azul marca
═══════════════════════════════════════════════════════════ */
.s-quote-pull {
  background: var(--ind-blue);
  padding: 5rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.s-quote-pull::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.s-quote-pull blockquote {
  max-width: 820px;
  margin: 0 auto;
  font-size: clamp(1.3rem, 3vw, 2rem);
  font-style: italic;
  font-weight: 300;
  line-height: 1.6;
  color: #fff;
  border: none;
  padding: 0;
  position: relative;
}

.s-quote-pull cite {
  display: block;
  margin-top: 1.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
  font-style: normal;
}

/* ═══════════════════════════════════════════════════════════
   ACCORDION — Fondo blanco
═══════════════════════════════════════════════════════════ */
.s-accordion {
  background: var(--off-white);
  padding: 5rem 0;
  border-top: 1px solid #e5e9f0;
  border-bottom: 1px solid #e5e9f0;
}

.accordion-header {
  text-align: center;
  margin-bottom: 3rem;
}

.accordion-header h2 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 900;
  text-transform: uppercase;
  color: var(--dark-text);
  margin-bottom: 0.75rem;
}

.accordion-header p {
  font-size: 1rem;
  color: var(--mid-text);
  font-weight: 300;
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.8;
}

.accordion-item {
  background: var(--white);
  border: 1px solid #dde3ef;
  border-radius: 12px;
  margin-bottom: 1rem;
  overflow: hidden;
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.accordion-item:hover {
  border-color: rgba(8, 70, 205, 0.3);
  box-shadow: 0 4px 16px rgba(8, 70, 205, 0.08);
}

.accordion-item.open {
  border-color: var(--ind-blue);
  box-shadow: 0 6px 24px rgba(8, 70, 205, 0.12);
}

.accordion-btn {
  width: 100%;
  background: none;
  border: none;
  padding: 1.5rem 1.75rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: left;
}

.accordion-btn-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.accordion-num {
  font-family: var(--font-head);
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1;
  color: var(--ind-blue);
  opacity: 0.25;
  min-width: 2.5rem;
  transition: opacity 0.3s ease;
}

.accordion-item.open .accordion-num {
  opacity: 1;
}

.accordion-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark-text);
  line-height: 1.3;
}

.accordion-icon {
  width: 32px;
  height: 32px;
  border: 1.5px solid #dde3ef;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--ind-blue);
  font-size: 1rem;
  transition: var(--transition);
}

.accordion-item.open .accordion-icon {
  background: var(--ind-blue);
  color: #fff;
  transform: rotate(45deg);
  border-color: var(--ind-blue);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
  padding: 0 1.75rem;
}

.accordion-item.open .accordion-body {
  max-height: 600px;
  padding: 0 1.75rem 1.75rem;
}

.accordion-divider {
  height: 1px;
  background: linear-gradient(to right, var(--ind-blue), transparent);
  margin-bottom: 1.25rem;
  opacity: 0.25;
}

.accordion-body p {
  font-size: 0.97rem;
  font-weight: 300;
  line-height: 1.85;
  color: var(--mid-text);
}

/* ═══════════════════════════════════════════════════════════
   HERO SECUNDARIO — Imagen fondo oscuro + texto
═══════════════════════════════════════════════════════════ */
.s-hero-2 {
  position: relative;
  height: 68vh;
  min-height: 460px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.s-hero-2 .hero2-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  z-index: 0;
  filter: brightness(0.28) saturate(1.3);
  transform: scale(1.04);
  transition: transform 8s ease;
}

.s-hero-2:hover .hero2-bg {
  transform: scale(1);
}

.s-hero-2 .hero2-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom,
      rgba(8, 70, 205, 0.2) 0%,
      rgba(5, 13, 26, 0.55) 50%,
      rgba(5, 13, 26, 0.95) 100%);
  z-index: 1;
}

.hero2-grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(8, 70, 205, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 70, 205, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.s-hero-2 .hero2-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 0 2rem;
}

.s-hero-2 h2 {
  font-family: var(--font-head);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 0.95;
  color: #fff;
  letter-spacing: -0.01em;
}

.s-hero-2 h2 em {
  font-style: normal;
  color: var(--ind-cyan);
  display: block;
}

/* ═══════════════════════════════════════════════════════════
   FEATURES GRID — Fondo azul marca, tarjetas blancas
═══════════════════════════════════════════════════════════ */
.s-features {
  background: var(--ind-blue);
  padding: 5rem 0;
}

.s-features .section-eyebrow {
  color: rgba(255, 255, 255, 0.7);
}

.features-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.features-header h2 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 900;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 1rem;
}

.features-header p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 300;
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.8;
}

.feature-card {
  background: var(--white);
  border: none;
  border-radius: 14px;
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  height: 100%;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(to right, var(--ind-blue), var(--ind-cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 52px;
  height: 52px;
  background: rgba(8, 70, 205, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark-text);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.feature-card p {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--mid-text);
  line-height: 1.75;
}

/* ═══════════════════════════════════════════════════════════
   PHOTO STRIP — 3 imágenes
═══════════════════════════════════════════════════════════ */
.s-photo-strip {
  background: var(--white);
  padding: 0;
}

.photo-strip-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  height: 52vh;
  min-height: 360px;
  gap: 4px;
}

.photo-strip-item {
  overflow: hidden;
  position: relative;
}

.photo-strip-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  filter: brightness(0.88) saturate(1.1);
}

.photo-strip-item:hover img {
  transform: scale(1.05);
  filter: brightness(1) saturate(1.2);
}

.photo-strip-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8, 70, 205, 0.3) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.photo-strip-item:hover::after {
  opacity: 1;
}

/* ═══════════════════════════════════════════════════════════
   FOOTER CTA — Fondo blanco, tipografía oscura
═══════════════════════════════════════════════════════════ */
.s-footer {
  background: var(--off-white);
  border-top: 1px solid #e5e9f0;
  padding: 5rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.s-footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 60% at 50% 100%, rgba(8, 70, 205, 0.07) 0%, transparent 70%);
  pointer-events: none;
}

.s-footer .section-eyebrow {
  color: var(--ind-blue);
}

.s-footer p {
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--mid-text);
  max-width: 640px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
  position: relative;
}

.s-footer p a {
  color: var(--ind-blue);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.btn-cta {
  display: inline-block;
  padding: 1rem 3rem;
  background: var(--ind-blue);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border-radius: 50px;
  border: 2px solid var(--ind-blue);
  transition: var(--transition);
  position: relative;
  box-shadow: 0 6px 24px rgba(8, 70, 205, 0.3);
}

.btn-cta:hover {
  background: transparent;
  color: var(--ind-blue);
  box-shadow: 0 0 30px rgba(8, 70, 205, 0.15);
  transform: scale(1.04);
}

.footer-credits {
  margin-top: 3rem;
  font-size: 0.72rem;
  color: #9ca3af;
  letter-spacing: 0.08em;
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — Bootstrap complementa, aquí refinamos
═══════════════════════════════════════════════════════════ */
@media (max-width: 991px) {
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    height: auto;
    grid-template-rows: 260px 260px;
  }

  .gallery-grid .gallery-item:last-child {
    grid-column: 1 / -1;
  }

  .fallas-grid {
    grid-template-columns: 1fr;
  }

  .photo-strip-grid {
    grid-template-columns: 1fr;
    height: auto;
    grid-template-rows: repeat(3, 260px);
  }

  .s-intro,
  .s-accordion,
  .s-features {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }
}

@media (max-width: 767px) {
  .cabecera-inner {
    gap: 0.6rem;
  }

  .logo-exp {
    height: 20px;
  }

  .hero-title {
    line-height: 1;
  }

  .accordion-btn {
    padding: 1.25rem;
  }

  .accordion-num {
    font-size: 1.8rem;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(3, 240px);
  }

  .gallery-grid .gallery-item:last-child {
    grid-column: auto;
  }

  .split-text h2 {
    margin-bottom: 1rem;
  }
}

@media (max-width: 480px) {
  .fallas-grid {
    grid-template-columns: 1fr;
  }

  .s-split {
    padding: 3rem 0;
  }

  .hero-subtitle {
    font-size: 0.95rem;
  }
}

/* ═══════════════════════════════════════════════════════════
   LIGHTBOX MODAL
═══════════════════════════════════════════════════════════ */
.lightbox-modal {
  display: none;
  position: fixed;
  z-index: 2000;
  inset: 0;
  background-color: rgba(5, 13, 26, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox-modal.show {
  display: flex;
  opacity: 1;
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  color: #fff;
  font-size: 2.5rem;
  font-weight: 300;
  cursor: pointer;
  z-index: 2100;
  transition: var(--transition);
}

.lightbox-close:hover {
  color: var(--ind-cyan);
  transform: scale(1.1);
}

.lightbox-content-wrapper {
  position: relative;
  max-width: 85%;
  max-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-content {
  max-width: 100%;
  max-height: 80vh;
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  transform: scale(0.95);
  transition: transform 0.3s ease;
}

.lightbox-modal.show .lightbox-content {
  transform: scale(1);
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(8, 70, 205, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 1.5rem;
  width: 48px;
  height: 48px;
  cursor: pointer;
  border-radius: 50%;
  transition: var(--transition);
  z-index: 2050;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-prev {
  left: -5rem;
}

.lightbox-next {
  right: -5rem;
}

.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--ind-blue);
  border-color: var(--ind-cyan);
  color: #fff;
  box-shadow: 0 0 15px rgba(0, 194, 224, 0.3);
}

.lightbox-caption {
  position: absolute;
  bottom: 2rem;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  font-weight: 400;
  text-align: center;
  width: 100%;
  letter-spacing: 0.05em;
}

@media (max-width: 991px) {
  .lightbox-prev {
    left: 1rem;
  }
  .lightbox-next {
    right: 1rem;
  }
  .lightbox-content-wrapper {
    max-width: 95%;
  }
}