/* Modern Components - Glass Button, Pixel Grid, Scroll Animations */

/* ============================================
   APPLE TAHOE LIQUID GLASS BUTTON
   ============================================ */
.glass-button {
  position: relative;
  padding: 1rem 2rem;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: var(--text-primary);
  font-weight: 600;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.glass-button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0) 50%,
    rgba(255, 255, 255, 0.05) 100%
  );
  opacity: 0;
  transition: opacity 0.4s;
}

.glass-button::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.3) 0%,
    transparent 60%
  );
  transform: scale(0);
  transition: transform 0.6s ease-out;
}

.glass-button:hover {
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px) scale(1.02);
}

.glass-button:hover::before {
  opacity: 1;
}

.glass-button:hover::after {
  transform: scale(1);
}

[data-theme="light"] .glass-button {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .glass-button:hover {
  border-color: rgba(0, 0, 0, 0.2);
}

/* ============================================
   PIXEL LOGO GRID
   ============================================ */
.pixel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 1rem;
}

.pixel-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem 1rem;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.pixel-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.3s;
}

.pixel-item:hover {
  border-color: var(--text-secondary);
  transform: translateY(-4px) scale(1.05);
  box-shadow: 
    0 4px 12px rgba(0, 0, 0, 0.3),
    0 0 0 1px var(--text-secondary);
}

.pixel-item:hover::before {
  opacity: 0.1;
}

.pixel-item span {
  position: relative;
  z-index: 1;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.pixel-item:hover span {
  color: var(--text-primary);
}

/* Pixel Grid - Skills/Founder tools */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
  gap: 0.75rem;
}

.skill-pixel {
  aspect-ratio: 1;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all 0.2s ease;
  cursor: default;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.skill-pixel:hover {
  border-color: var(--text-secondary);
  color: var(--text-primary);
  transform: scale(1.1);
  box-shadow: 0 0 0 2px var(--text-secondary);
}

/* ============================================
   STORY SCROLL ANIMATIONS
   ============================================ */
.scroll-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-animate.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger animation delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* Fade in from sides */
.fade-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.6s ease;
}

.fade-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-right {
  opacity: 0;
  transform: translateX(30px);
  transition: all 0.6s ease;
}

.fade-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Scale in */
.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: all 0.5s ease;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* ============================================
   DYNAMIC ISLAND TOC
   ============================================ */
.toc-container {
  position: fixed;
  top: 100px;
  right: 20px;
  max-width: 240px;
  z-index: 50;
  opacity: 0;
  transform: translateX(20px);
  transition: all 0.3s ease;
}

.toc-container.visible {
  opacity: 1;
  transform: translateX(0);
}

.toc-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  backdrop-filter: blur(12px);
}

.toc-title {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.toc-list {
  list-style: none;
}

.toc-item {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.toc-item:last-child {
  border-bottom: none;
}

.toc-link {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-decoration: none;
  display: block;
  transition: color 0.2s;
}

.toc-link:hover,
.toc-link.active {
  color: var(--text-primary);
}

.toc-link.active::before {
  content: '>';
  margin-right: 0.5rem;
  color: var(--accent);
}

@media (max-width: 1024px) {
  .toc-container {
    display: none;
  }
}

/* ============================================
   RESPONSIVE HELPERS
   ============================================ */
@media (max-width: 768px) {
  .pixel-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .skills-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .container {
    padding: 0 1rem;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .hero .cta-button {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
  }
  
  .servicios-grid {
    grid-template-columns: 1fr;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .props-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  
  .founder-card {
    padding: 1rem;
  }
  
  .nav-links {
    display: none;
  }
  
  footer .footer-links {
    flex-direction: column;
    gap: 1rem;
  }
  
  .footer-links a {
    font-size: 0.9rem;
  }
}

/* iPhone SE and small devices */
@media (max-width: 374px) {
  :root {
    font-size: 14px;
  }
  
  .hero h1 {
    font-size: 1.75rem;
  }
  
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }
  
  .file-tree-sidebar {
    width: 100%;
  }
}

/* Large mobile */
@media (min-width: 375px) and (max-width: 413px) {
  .hero h1 {
    font-size: 2rem;
  }
}

/* iPhone Pro / Plus */
@media (min-width: 414px) {
  .container {
    padding: 0 1.5rem;
  }
}

/* Touch-friendly iPad */
@media (min-width: 768px) and (max-width: 1023px) {
  .container {
    padding: 0 1.5rem;
  }
  
  .servicios-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================
   TESTIMONIALS CAROUSEL
   ============================================ */
.testimonials-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: var(--text-muted);
}

.testimonial-quote {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-quote::before {
  content: '"';
  font-size: 3rem;
  line-height: 0;
  color: var(--text-muted);
  opacity: 0.3;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--accent), #a855f7);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: white;
}

.testimonial-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.testimonial-role {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* ============================================
   STORY SCROLL ADVANCED
   ============================================ */
.story-section {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.story-section.visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* Parallax effect */
.parallax-bg {
  transform: translateZ(0);
  transition: transform 0.1s ease-out;
}