/* ==========================================================================
   BMODIFICACION.CSS - DISEÑO ULTRA PREMIUM APPLE STYLE
   Algodón Todo Evento - Modificación Industrial
   ========================================================================== */

/* --------------------------------------------------------------------------
   VARIABLES
   -------------------------------------------------------------------------- */
:root {
  
  
  --mod-accent: #5856D6;
  --mod-success: #30D158;
  --mod-warning: #FF9F0A;
  --mod-danger: #FF3B30;
  
  --mod-white: #FFFFFF;
  --mod-gray-50: #F9F9FB;
  --mod-gray-100: #F5F5F7;
  --mod-gray-200: #E8E8ED;
  --mod-gray-600: #636366;
  --mod-gray-900: #1C1C1E;
  
  --mod-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --mod-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --mod-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
  
  --mod-transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------------------
   RESET & BASE
   -------------------------------------------------------------------------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.modification-main {
  max-width: 1600px;
  margin: 0 auto;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--mod-gray-900);
  background: var(--mod-gray-50);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   HERO SECTION
   -------------------------------------------------------------------------- */
.modification-hero {
  text-align: center;
  padding: clamp(2.5rem, 8vw, 5rem) clamp(1rem, 3vw, 2rem);
  background: linear-gradient(180deg, #F5F5F7 0%, #FFFFFF 100%);
  position: relative;
  overflow: hidden;
}

.modification-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -25%;
  width: 150%;
  height: 150%;
  background: radial-gradient(circle, rgba(88, 86, 214, 0.08) 0%, transparent 70%);
  animation: float 25s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(25px, 25px) rotate(3deg); }
}

.hero-icon {
  position: relative;
  z-index: 1;
  width: clamp(4rem, 12vw, 6rem);
  height: clamp(4rem, 12vw, 6rem);
  margin: 0 auto clamp(1rem, 3vw, 1.5rem);
  background: linear-gradient(135deg, #5856D6, #7D7AFF);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--mod-shadow-lg);
}

.hero-icon i {
  font-size: clamp(2rem, 6vw, 3rem);
  color: var(--mod-white);
}

.modification-hero h1 {
  position: relative;
  z-index: 1;
  font-family: 'Poppins', sans-serif;
  font-size: clamp(2rem, 7vw, 3.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin: 0 0 clamp(0.75rem, 2vw, 1rem) 0;
}

.gradient-text {
  background: linear-gradient(135deg, #5856D6, #7D7AFF);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  position: relative;
  z-index: 1;
  font-size: clamp(0.9375rem, 2.5vw, 1.125rem);
  color: var(--mod-gray-600);
  max-width: 750px;
  margin: 0 auto;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   MODIFICATION CONTAINER
   -------------------------------------------------------------------------- */
.modification-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: clamp(1.5rem, 5vw, 3rem) clamp(0.75rem, 3vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: clamp(2rem, 5vw, 3rem);
}

/* --------------------------------------------------------------------------
   SECTIONS
   -------------------------------------------------------------------------- */
.modification-section {
  background: var(--mod-white);
  border-radius: clamp(1rem, 3vw, 1.5rem);
  overflow: hidden;
  box-shadow: var(--mod-shadow-md);
  transition: all var(--mod-transition);
  border: 1px solid var(--mod-gray-200);
}

.modification-section:hover {
  box-shadow: var(--mod-shadow-lg);
  transform: translateY(-2px);
}

.section-header {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1rem);
  padding: clamp(1rem, 3vw, 1.5rem);
  background: linear-gradient(135deg, #F5F5F7, #FFFFFF);
  border-bottom: 1px solid var(--mod-gray-200);
}

.section-icon {
  width: clamp(2.5rem, 7vw, 3.5rem);
  height: clamp(2.5rem, 7vw, 3.5rem);
  border-radius: clamp(0.5rem, 2vw, 0.75rem);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mod-white);
  font-size: clamp(1.125rem, 3.5vw, 1.5rem);
  flex-shrink: 0;
}

.section-icon.overview-icon { background: linear-gradient(135deg, #5856D6, #7D7AFF); }
.section-icon.benefits-icon { background: linear-gradient(135deg, #30D158, #34C759); }
.section-icon.steps-icon { background: #6B1B00; }
.section-icon.stories-icon { background: linear-gradient(135deg, #FF9F0A, #FF9500); }

.section-header h2 {
  font-size: clamp(1.125rem, 3.5vw, 1.5rem);
  font-weight: 700;
  color: var(--mod-gray-900);
  margin: 0;
}

.section-content {
  padding: clamp(1rem, 3vw, 2rem);
}

.lead-text {
  font-size: clamp(0.875rem, 2.25vw, 1rem);
  color: var(--mod-gray-600);
  line-height: 1.6;
  margin-bottom: clamp(1rem, 3vw, 1.5rem);
}

/* --------------------------------------------------------------------------
   FEATURES GRID - 2 COLUMNAS
   -------------------------------------------------------------------------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(0.75rem, 2.5vw, 1rem);
}

.feature-item {
  padding: clamp(0.75rem, 2.5vw, 1rem);
  background: var(--mod-gray-50);
  border-radius: clamp(0.75rem, 2vw, 1rem);
  text-align: center;
  transition: all var(--mod-transition);
  border: 1px solid var(--mod-gray-200);
}

.feature-item:hover {
  background: var(--mod-white);
  box-shadow: var(--mod-shadow-sm);
  transform: translateY(-2px);
  border-color: var(--mod-accent);
}

.feature-item i {
  font-size: clamp(1.5rem, 5vw, 2rem);
  color: var(--mod-accent);
  margin-bottom: clamp(0.5rem, 1.5vw, 0.75rem);
}

.feature-item h3 {
  font-size: clamp(0.8125rem, 2.25vw, 0.9375rem);
  font-weight: 700;
  color: var(--mod-gray-900);
  margin: 0 0 clamp(0.25rem, 1vw, 0.375rem) 0;
}

.feature-item p {
  font-size: clamp(0.75rem, 2vw, 0.875rem);
  color: var(--mod-gray-600);
  margin: 0;
}

/* --------------------------------------------------------------------------
   BENEFITS GRID - 2 COLUMNAS
   -------------------------------------------------------------------------- */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(0.75rem, 2.5vw, 1rem);
}

.benefit-card {
  padding: clamp(0.75rem, 2.5vw, 1rem);
  background: var(--mod-gray-50);
  border-radius: clamp(0.75rem, 2vw, 1rem);
  transition: all var(--mod-transition);
  border: 1px solid var(--mod-gray-200);
}

.benefit-card:hover {
  background: var(--mod-white);
  box-shadow: var(--mod-shadow-sm);
  transform: translateY(-2px);
}

.benefit-icon {
  width: clamp(2.5rem, 7vw, 3rem);
  height: clamp(2.5rem, 7vw, 3rem);
  margin: 0 auto clamp(0.5rem, 1.5vw, 0.75rem);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mod-white);
  font-size: clamp(1rem, 3vw, 1.25rem);
}

.benefit-icon.production { background: linear-gradient(135deg, #30D158, #34C759); }
.benefit-icon.materials { background: #6B1B00; }
.benefit-icon.events { background: linear-gradient(135deg, #FF9F0A, #FF9500); }
.benefit-icon.competitive { background: linear-gradient(135deg, #FF3B30, #FF2D55); }

.benefit-card h3 {
  font-size: clamp(0.8125rem, 2.25vw, 0.9375rem);
  font-weight: 700;
  color: var(--mod-gray-900);
  margin: 0 0 clamp(0.375rem, 1vw, 0.5rem) 0;
  text-align: center;
}

.benefit-card p {
  font-size: clamp(0.75rem, 2vw, 0.875rem);
  color: var(--mod-gray-600);
  line-height: 1.5;
  margin: 0;
  text-align: center;
}

/* --------------------------------------------------------------------------
   STEPS GRID - 2 COLUMNAS
   -------------------------------------------------------------------------- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(0.75rem, 2.5vw, 1rem);
}

.step-card {
  padding: clamp(0.75rem, 2.5vw, 1rem);
  background: var(--mod-gray-50);
  border-radius: clamp(0.75rem, 2vw, 1rem);
  transition: all var(--mod-transition);
  border: 1px solid var(--mod-gray-200);
  display: flex;
  gap: clamp(0.5rem, 1.5vw, 0.75rem);
}

.step-card:hover {
  background: var(--mod-white);
  box-shadow: var(--mod-shadow-sm);
  transform: translateY(-2px);
  border-color: var(--mod-primary);
}

.step-number {
  width: clamp(2.5rem, 7vw, 3rem);
  height: clamp(2.5rem, 7vw, 3rem);
  background: #6B1B00;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mod-white);
  font-size: clamp(0.875rem, 2.5vw, 1rem);
  font-weight: 800;
  flex-shrink: 0;
  box-shadow: var(--mod-shadow-sm);
}

.step-content {
  flex: 1;
  min-width: 0;
}

.step-content h3 {
  font-size: clamp(0.8125rem, 2.25vw, 0.9375rem);
  font-weight: 700;
  color: var(--mod-gray-900);
  margin: 0 0 clamp(0.25rem, 1vw, 0.375rem) 0;
}

.step-content p {
  font-size: clamp(0.75rem, 2vw, 0.875rem);
  color: var(--mod-gray-600);
  line-height: 1.4;
  margin: 0;
}

/* --------------------------------------------------------------------------
   STORIES GRID - 2 COLUMNAS
   -------------------------------------------------------------------------- */
.stories-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(0.75rem, 2.5vw, 1rem);
}

.story-card {
  padding: clamp(1rem, 3vw, 1.5rem);
  background: var(--mod-gray-50);
  border-radius: clamp(0.75rem, 2vw, 1rem);
  border: 2px solid var(--mod-gray-200);
  transition: all var(--mod-transition);
  position: relative;
}

.story-card:hover {
  background: var(--mod-white);
  box-shadow: var(--mod-shadow-md);
  transform: translateY(-2px);
  border-color: var(--mod-warning);
}

.story-quote {
  width: clamp(2rem, 6vw, 2.5rem);
  height: clamp(2rem, 6vw, 2.5rem);
  background: linear-gradient(135deg, #FF9F0A, #FF9500);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: clamp(0.75rem, 2vw, 1rem);
}

.story-quote i {
  font-size: clamp(0.75rem, 2vw, 1rem);
  color: var(--mod-white);
}

.story-text {
  font-size: clamp(0.8125rem, 2.25vw, 0.9375rem);
  color: var(--mod-gray-900);
  line-height: 1.6;
  font-style: italic;
  margin-bottom: clamp(0.75rem, 2vw, 1rem);
}

.story-author {
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 1.5vw, 0.75rem);
  margin-bottom: clamp(0.75rem, 2vw, 1rem);
  padding-bottom: clamp(0.75rem, 2vw, 1rem);
  border-bottom: 1px solid var(--mod-gray-200);
}

.author-avatar {
  width: clamp(2.5rem, 7vw, 3rem);
  height: clamp(2.5rem, 7vw, 3rem);
  background: #6B1B00;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mod-white);
  font-size: clamp(1rem, 3vw, 1.25rem);
  flex-shrink: 0;
}

.author-info h4 {
  font-size: clamp(0.8125rem, 2.25vw, 0.9375rem);
  font-weight: 700;
  color: var(--mod-gray-900);
  margin: 0 0 clamp(0.125rem, 0.5vw, 0.25rem) 0;
}

.author-info span {
  font-size: clamp(0.6875rem, 1.8vw, 0.75rem);
  color: var(--mod-gray-600);
}

.story-stats {
  display: flex;
  gap: clamp(0.75rem, 2vw, 1rem);
}

.stat {
  flex: 1;
  text-align: center;
  padding: clamp(0.5rem, 1.5vw, 0.75rem);
  background: var(--mod-white);
  border-radius: clamp(0.5rem, 1.5vw, 0.75rem);
  border: 1px solid var(--mod-gray-200);
}

.stat strong {
  display: block;
  font-size: clamp(0.875rem, 2.5vw, 1.125rem);
  font-weight: 800;
  color: var(--mod-primary);
  margin-bottom: clamp(0.125rem, 0.5vw, 0.25rem);
}

.stat span {
  font-size: clamp(0.6875rem, 1.8vw, 0.75rem);
  color: var(--mod-gray-600);
}

/* --------------------------------------------------------------------------
   CTA SECTION
   -------------------------------------------------------------------------- */
.modification-cta {
  text-align: center;
  padding: clamp(2rem, 6vw, 3rem) clamp(1rem, 3vw, 2rem);
  background: linear-gradient(135deg, #5856D6, #7D7AFF);
  color: var(--mod-white);
  border-radius: clamp(1rem, 3vw, 1.5rem);
  margin: clamp(2rem, 5vw, 3rem) clamp(0.75rem, 3vw, 2rem) clamp(1.5rem, 4vw, 2.5rem);
  box-shadow: var(--mod-shadow-lg);
}

.modification-cta i {
  font-size: clamp(2rem, 7vw, 3rem);
  margin-bottom: clamp(0.75rem, 2vw, 1rem);
  opacity: 0.95;
}

.modification-cta h2 {
  font-size: clamp(1.25rem, 5vw, 2rem);
  font-weight: 800;
  margin: 0 0 clamp(0.5rem, 1.5vw, 0.75rem) 0;
}

.modification-cta p {
  font-size: clamp(0.875rem, 2.25vw, 1rem);
  margin: 0 0 clamp(1rem, 2.5vw, 1.5rem) 0;
  opacity: 0.95;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: clamp(0.375rem, 1.5vw, 0.5rem);
  padding: clamp(0.75rem, 2.5vw, 1rem) clamp(1.25rem, 4vw, 2rem);
  background: var(--mod-white);
  color: var(--mod-accent);
  border-radius: clamp(1.5rem, 4vw, 2rem);
  font-size: clamp(0.875rem, 2.25vw, 1rem);
  font-weight: 700;
  text-decoration: none;
  transition: all var(--mod-transition);
  box-shadow: var(--mod-shadow-lg);
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.15);
}

/* --------------------------------------------------------------------------
   RESPONSIVE - TABLET Y DESKTOP
   -------------------------------------------------------------------------- */
@media (min-width: 768px) {
  .features-grid,
  .benefits-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .stories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --------------------------------------------------------------------------
   ACCESSIBILITY
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

:focus-visible {
  outline: 2px solid var(--mod-primary);
  outline-offset: 3px;
  border-radius: 4px;
}