/* ========================================
   JOY TRUCK — Premium Landing Page
   Design System & Styles
   ======================================== */

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  /* Colors */
  --color-bg-primary: #0a0a0a;
  --color-bg-secondary: #111111;
  --color-bg-tertiary: #1a1a1a;
  --color-bg-card: rgba(255, 255, 255, 0.04);
  --color-bg-card-hover: rgba(255, 255, 255, 0.08);
  --color-accent: #e8611a;
  --color-accent-light: #ff7a33;
  --color-accent-dark: #c44e0f;
  --color-accent-glow: rgba(232, 97, 26, 0.35);
  --color-text-primary: #f5f5f5;
  --color-text-secondary: #a0a0a0;
  --color-text-muted: #666666;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-accent: rgba(232, 97, 26, 0.3);
  --color-glass: rgba(10, 10, 10, 0.7);
  --color-glass-border: rgba(255, 255, 255, 0.1);
  --color-white: #ffffff;
  --color-black: #000000;

  /* Typography */
  --font-primary: 'Outfit', sans-serif;
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  --font-weight-black: 900;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 8rem;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 999px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);

  /* Shadows */
  --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px var(--color-accent-glow);
  --shadow-glow-sm: 0 0 20px var(--color-accent-glow);

  /* Layout */
  --container-max: 1200px;
  --container-wide: 1400px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container--wide {
  max-width: var(--container-wide);
}

.section-padding {
  padding: var(--space-4xl) 0;
}

.accent-text {
  color: var(--color-accent);
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Scroll Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ========================================
   1. NAVBAR
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.navbar.scrolled {
  background: var(--color-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-glass-border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 1.6rem;
  font-weight: var(--font-weight-black);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.navbar__logo .joy {
  color: var(--color-white);
}

.navbar__logo .truck {
  color: var(--color-accent);
  font-style: italic;
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.navbar__links a {
  font-size: 0.85rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  position: relative;
  padding-bottom: 4px;
}

.navbar__links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.navbar__links a:hover {
  color: var(--color-white);
}

.navbar__links a:hover::after {
  width: 100%;
}

.navbar__cta {
  background: var(--color-accent);
  color: var(--color-white) !important;
  padding: 10px 24px !important;
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-semibold) !important;
  letter-spacing: 0.5px !important;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast) !important;
}

.navbar__cta::after {
  display: none !important;
}

.navbar__cta:hover {
  background: var(--color-accent-light) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-sm);
}

/* Mobile Menu Toggle */
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
}

.navbar__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: var(--transition-fast);
}

/* ========================================
   2. HERO SECTION
   ======================================== */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.5) 0%,
    rgba(0, 0, 0, 0.3) 40%,
    rgba(0, 0, 0, 0.6) 80%,
    rgba(10, 10, 10, 1) 100%
  );
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 0 var(--space-lg);
}

.hero__badge {
  display: inline-block;
  background: rgba(232, 97, 26, 0.15);
  border: 1px solid var(--color-border-accent);
  color: var(--color-accent-light);
  padding: 8px 20px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
  animation: fadeInDown 0.8s ease-out;
}

.hero__title {
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: var(--font-weight-black);
  line-height: 0.95;
  text-transform: uppercase;
  letter-spacing: -2px;
  margin-bottom: var(--space-md);
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero__title .line-joy {
  display: inline-block;
  color: var(--color-white);
}

.hero__title .line-truck {
  display: inline-block;
  color: var(--color-accent);
  font-style: italic;
  margin-left: 0.15em;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-light);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  line-height: 1.7;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero__buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 36px;
  border-radius: var(--radius-full);
  font-family: var(--font-primary);
  font-size: 0.9rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.5px;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 4px 20px rgba(232, 97, 26, 0.3);
}

.btn--primary:hover {
  background: var(--color-accent-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-3px);
}

/* Hero scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
}

/* ========================================
   3. CONCEPTO SECTION
   ======================================== */
.concepto {
  position: relative;
  background: var(--color-bg-secondary);
  overflow: hidden;
}

.concepto__bg {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  background-image: url('./image/Plantilla nuevas JOY-03.jpg');
  background-size: cover;
  background-position: center;
}

.concepto__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 850px;
  margin: 0 auto;
}

.concepto__label {
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}

.concepto__text {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: var(--font-weight-light);
  line-height: 1.5;
  color: var(--color-text-primary);
}

.concepto__text strong {
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
}

.concepto__divider {
  width: 60px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
  margin-top: var(--space-xl);
}

/* ========================================
   4. SOLUCIÓN SECTION
   ======================================== */
.solucion {
  background: var(--color-bg-primary);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-header__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section-header__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: -1px;
  line-height: 1.1;
}

.section-header__subtitle {
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-light);
  margin-top: var(--space-sm);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.solucion__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.solucion__card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.solucion__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.solucion__card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-accent);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.solucion__card:hover::before {
  opacity: 1;
}

.solucion__card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(232, 97, 26, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
}

.solucion__card-title {
  font-size: 1.2rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.solucion__card-text {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ========================================
   5. BASE MODULAR SECTION
   ======================================== */
.modular {
  background: var(--color-bg-secondary);
  overflow: hidden;
}

.modular__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.modular__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.modular__feature {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.modular__feature-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(232, 97, 26, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 1.1rem;
  margin-top: 2px;
}

.modular__feature-title {
  font-size: 1.05rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 4px;
}

.modular__feature-text {
  color: var(--color-text-secondary);
  font-size: 0.88rem;
  line-height: 1.6;
}

.modular__image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.modular__image img {
  width: 100%;
  border-radius: var(--radius-lg);
  transition: transform var(--transition-slow);
}

.modular__image:hover img {
  transform: scale(1.03);
}

.modular__image::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  pointer-events: none;
}

/* ========================================
   6. VISTAS EXTERIORES SECTION
   ======================================== */
.vistas {
  background: var(--color-bg-primary);
}

.vistas__slider-container {
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  background: var(--color-bg-tertiary);
}

.vistas__slider {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.vistas__slides {
  display: flex;
  width: 100%;
  height: 100%;
  position: relative;
}

.vistas__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease-in-out, visibility 0.5s ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
}

.vistas__slide.active {
  opacity: 1;
  visibility: visible;
}

.vistas__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.vistas__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 5;
  transition: all var(--transition-fast);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  outline: none;
}

.vistas__arrow:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: 0 0 15px rgba(232, 97, 26, 0.4);
  transform: translateY(-50%) scale(1.05);
}

.vistas__arrow--prev {
  left: var(--space-md);
}

.vistas__arrow--next {
  right: var(--space-md);
}

.vistas__progress {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: rgba(255, 255, 255, 0.1);
  z-index: 10;
}

.vistas__progress-bar {
  height: 100%;
  background: var(--color-white);
  width: 0%;
}

.vistas__progress-bar.animating {
  animation: progressAnimation 3s linear forwards;
}

@keyframes progressAnimation {
  from { width: 0%; }
  to { width: 100%; }
}

/* ========================================
   7. INTERIOR SECTION
   ======================================== */
.interior {
  position: relative;
  background: var(--color-bg-secondary);
  overflow: hidden;
}

.interior__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.interior__image-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  position: relative;
}

.interior__image-wrap img {
  width: 100%;
  display: block;
  transition: transform var(--transition-slow);
}

.interior__image-wrap:hover img {
  transform: scale(1.03);
}

.interior__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.interior__stat {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  transition: all var(--transition-base);
}

.interior__stat:hover {
  border-color: var(--color-border-accent);
  background: var(--color-bg-card-hover);
}

.interior__stat-number {
  font-size: 2rem;
  font-weight: var(--font-weight-black);
  color: var(--color-accent);
  line-height: 1;
}

.interior__stat-text {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.interior__stat-text strong {
  display: block;
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
  margin-bottom: 2px;
}

/* ========================================
   8. PLANO TÉCNICO SECTION
   ======================================== */
.plano {
  background: var(--color-bg-primary);
}

.plano__grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: var(--space-3xl);
  align-items: stretch; /* Stretch columns to same height */
}

.plano__specs {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.plano__spec {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-base);
}

.plano__spec:hover {
  border-color: var(--color-border-accent);
  background: var(--color-bg-card-hover);
  transform: translateX(8px);
}

.plano__spec-value {
  font-size: 1.6rem;
  font-weight: var(--font-weight-black);
  color: var(--color-accent);
  margin-bottom: 4px;
}

.plano__spec-label {
  font-size: 0.95rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: 4px;
}

.plano__spec-desc {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.plano__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  background: #ffffff; /* Match image background seamlessly */
  border: 1px solid var(--color-border);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.plano__image img {
  width: 100%;
  height: 100%;
  object-fit: contain; /* Do not crop the technical drawing measurements */
  display: block;
  transition: transform var(--transition-slow);
}

.plano__image:hover img {
  transform: scale(1.03);
}

/* ========================================
   9. CASOS DE ÉXITO SECTION
   ======================================== */
.casos {
  background: var(--color-bg-secondary);
  overflow: hidden;
}

.casos__intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}

.casos__intro-text {
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

.casos__gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: auto auto;
  gap: var(--space-lg);
}

.caso {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-card);
}

.caso--featured {
  grid-column: 1 / -1;
}

.caso img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}

.caso:hover img {
  transform: scale(1.05);
}

.caso__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.85) 0%,
    rgba(0, 0, 0, 0.2) 50%,
    transparent 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-lg);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.caso:hover .caso__overlay {
  opacity: 1;
}

.caso__brand {
  font-size: 0.7rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 6px;
}

.caso__title {
  font-size: 1.2rem;
  font-weight: var(--font-weight-bold);
}

.caso__desc {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-top: 4px;
}

/* Colgate Slider in Casos Section */
.caso--slider {
  position: relative;
  overflow: hidden;
}

.caso__slider {
  position: relative;
  width: 100%;
  height: 100%;
  aspect-ratio: 21 / 9;
  overflow: hidden;
}

@media (max-width: 768px) {
  .caso__slider {
    aspect-ratio: 16 / 9;
  }
}

.caso__slides {
  display: flex;
  width: 100%;
  height: 100%;
  position: relative;
}

.caso__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease-in-out, visibility 0.5s ease-in-out;
}

.caso__slide.active {
  opacity: 1;
  visibility: visible;
}

.caso__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.caso__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 15;
  transition: all var(--transition-fast);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  outline: none;
}

.caso:hover .caso__arrow {
  opacity: 1;
}

.caso__arrow:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: 0 0 12px rgba(232, 97, 26, 0.4);
  transform: translateY(-50%) scale(1.05);
}

.caso__arrow--prev {
  left: var(--space-md);
}

.caso__arrow--next {
  right: var(--space-md);
}

.caso__progress {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: rgba(255, 255, 255, 0.1);
  z-index: 10;
}

.caso__progress-bar {
  height: 100%;
  background: var(--color-white);
  width: 0%;
}

.caso__progress-bar.animating {
  animation: casoProgressAnimation 3s linear forwards;
}

@keyframes casoProgressAnimation {
  from { width: 0%; }
  to { width: 100%; }
}

/* ========================================
   10. CONTACTO SECTION
   ======================================== */
.contacto {
  position: relative;
  background: var(--color-bg-primary);
  overflow: hidden;
}

.contacto__pattern {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: url('./image/Plantilla nuevas JOY-06.jpg');
  background-size: cover;
  background-position: center;
}

.contacto__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  gap: var(--space-lg);
}

.contacto__info-title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  line-height: 1.1;
}

.contacto__info-subtitle {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  line-height: 1.6;
  max-width: 650px;
  margin: 0 auto;
}

.contacto__details {
  display: flex;
  flex-direction: row;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-top: var(--space-md);
  width: 100%;
}

.contacto__detail {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-xl);
  transition: all var(--transition-base);
  text-align: left;
}

.contacto__detail:hover {
  border-color: var(--color-border-accent);
  background: var(--color-bg-card-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.contacto__detail-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(232, 97, 26, 0.1);
  border: 1px solid var(--color-border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contacto__detail-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contacto__detail-value {
  font-size: 1rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.contacto__detail-value a {
  color: var(--color-accent-light);
  transition: color var(--transition-fast);
}

.contacto__detail-value a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

/* ========================================
   11. FOOTER
   ======================================== */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl) 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer__logo {
  font-size: 1.3rem;
  font-weight: var(--font-weight-black);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.footer__logo .joy {
  color: var(--color-white);
}

.footer__logo .group {
  color: var(--color-accent);
}

.footer__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.footer__links a {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-accent);
}

.footer__copy {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  text-align: center;
  width: 100%;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

/* ========================================
   KEYFRAME ANIMATIONS
   ======================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-12px);
  }
  60% {
    transform: translateX(-50%) translateY(-6px);
  }
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(232, 97, 26, 0.2);
  }
  50% {
    box-shadow: 0 0 40px rgba(232, 97, 26, 0.4);
  }
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1024px) {
  .solucion__grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  .modular__grid,
  .interior__grid,
  .plano__grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .plano__image {
    order: -1;
    height: auto;
    aspect-ratio: 1.6; /* Maintain stable proportion when stacked */
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .navbar__links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background: var(--color-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-glass-border);
    gap: var(--space-md);
  }

  .navbar__links.open {
    display: flex;
  }

  .navbar__toggle {
    display: flex;
  }

  .hero__buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    justify-content: center;
    max-width: 320px;
  }

  .section-padding {
    padding: var(--space-3xl) 0;
  }

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

  .caso--featured {
    grid-column: auto;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .footer__links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .contacto__details {
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
  }

  .contacto__detail {
    width: 100%;
    max-width: 340px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

  .hero__title {
    letter-spacing: -1px;
  }

  .solucion__card {
    padding: var(--space-lg);
  }
}