/**
 * XYNTERA , Cinematic Interactive Scroll Experience
 * Motion philosophy: Apple keynote pacing, not SaaS landing page.
 * No bounce. No pop. Deliberate and controlled.
 */

:root {
  /* Cinematic Motion System */
  --ease-cinematic: cubic-bezier(0.42, 0, 0.58, 1);
  --ease-out-cinematic: cubic-bezier(0.33, 1, 0.68, 1);
  --duration-slow: 700ms;
  --duration-medium: 500ms;
  --duration-fast: 300ms;
  --duration-reveal: 600ms;
}

/* Respect user preference for reduced motion */
@media (prefers-reduced-motion: reduce) {
  :root {
    --duration-slow: 0ms;
    --duration-medium: 0ms;
    --duration-fast: 0ms;
    --duration-reveal: 0ms;
  }
  .cinematic-reveal,
  .cinematic-parallax,
  .cinematic-zoom { animation: none !important; transform: none !important; }
}

/* ===== 1. HERO , Immersive Entry Sequence ===== */
.hero-cinematic .hero-bg-image {
  transition: transform var(--duration-slow) var(--ease-cinematic);
  transform-origin: center center;
  will-change: transform;
}
.hero-cinematic.hero-scrolled .hero-bg-image {
  transform: scale(1.08);
}

.hero-cinematic .hero-gold-overlay {
  transition: opacity var(--duration-medium) var(--ease-cinematic);
}
.hero-cinematic.hero-scrolled .hero-gold-overlay {
  opacity: 0.92;
}

.hero-cinematic .hero-headline {
  transition: opacity var(--duration-medium) var(--ease-cinematic);
}
.hero-cinematic.hero-scrolled .hero-headline {
  opacity: 0.85;
}

/* Staggered CTA entry */
.hero-cta-stagger > * {
  opacity: 0;
  transform: translateY(16px);
  animation: cinematicFadeUp var(--duration-reveal) var(--ease-out-cinematic) forwards;
}
.hero-cta-stagger > *:nth-child(1) { animation-delay: 0.4s; }
.hero-cta-stagger > *:nth-child(2) { animation-delay: 0.52s; }
.hero-cta-stagger > *:nth-child(3) { animation-delay: 0.64s; }

@keyframes cinematicFadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* ===== 2. "WE ARCHITECT SYSTEMS" Compact Transition Strip ===== */
.cinematic-transition-strip {
  position: relative;
}
.cinematic-transition-strip-line {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 2px;
  background: var(--color-gold);
  opacity: 0;
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  transition: opacity var(--duration-medium) var(--ease-cinematic),
              transform var(--duration-medium) var(--ease-cinematic);
}
.cinematic-transition-strip.visible .cinematic-transition-strip-line {
  opacity: 1;
  transform: translateX(-50%) scaleX(1);
}
.cinematic-transition-headline {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--duration-slow) var(--ease-cinematic),
              transform var(--duration-slow) var(--ease-cinematic);
}
.cinematic-transition-strip.visible .cinematic-transition-headline {
  opacity: 1;
  transform: translateY(0);
}
.cinematic-transition-tagline {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--duration-medium) var(--ease-cinematic),
              transform var(--duration-medium) var(--ease-cinematic);
}
.cinematic-transition-strip.visible .cinematic-transition-tagline {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.2s;
}

/* ===== Scroll-triggered Section Reveal ===== */
.cinematic-reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity var(--duration-reveal) var(--ease-out-cinematic),
              transform var(--duration-reveal) var(--ease-out-cinematic);
}
.cinematic-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.cinematic-reveal-delay {
  transition-delay: 0.15s;
}
.cinematic-img-zoom {
  transition: transform var(--duration-slow) var(--ease-cinematic);
}
.cinematic-section:hover .cinematic-img-zoom {
  transform: scale(1.03);
}

/* ===== 3. SERVICES , Panel Progressive Reveal ===== */
.cinematic-services-panel {
  position: sticky;
  top: 8rem;
}
.cinematic-service-card {
  opacity: 0.6;
  transform: translateY(0);
  transition: opacity var(--duration-medium) var(--ease-cinematic),
              transform var(--duration-medium) var(--ease-cinematic),
              box-shadow var(--duration-medium) var(--ease-cinematic);
}
.cinematic-service-card.cinematic-active {
  opacity: 1;
  box-shadow: 0 20px 48px -16px rgba(0, 0, 0, 0.15);
}
.cinematic-service-card.cinematic-past {
  opacity: 0.6;
}
.cinematic-service-card {
  position: relative;
}
.cinematic-service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-medium) var(--ease-cinematic);
}
.cinematic-service-card.cinematic-active::before {
  transform: scaleX(1);
}

/* ===== 4. PROCESS , Timeline Walkthrough ===== */
.cinematic-process {
  scroll-snap-type: y proximity;
}
.cinematic-process-step {
  scroll-snap-align: start;
  opacity: 0.7;
  transition: opacity var(--duration-medium) var(--ease-cinematic),
              border-color var(--duration-medium) var(--ease-cinematic),
              box-shadow var(--duration-medium) var(--ease-cinematic);
}
.cinematic-process-step.cinematic-active {
  opacity: 1;
}
.cinematic-process-step.cinematic-active {
  border-color: rgba(237, 193, 94, 0.3);
  box-shadow: 0 8px 32px -8px rgba(237, 193, 94, 0.15);
}

/* ===== 5. PORTFOLIO , Full Viewport Case Studies ===== */
html.portfolio-cinematic {
  scroll-snap-type: y proximity;
}
.cinematic-portfolio-case {
  scroll-snap-align: start;
  min-height: 100vh;
}
.cinematic-portfolio-visual {
  transition: transform var(--duration-slow) var(--ease-cinematic);
  will-change: transform;
}
.cinematic-portfolio-case:hover .cinematic-portfolio-visual {
  transform: scale(1.03);
}
.cinematic-portfolio-divider {
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-slow) var(--ease-cinematic);
}
.cinematic-portfolio-case.cinematic-visible .cinematic-portfolio-divider {
  transform: scaleX(1);
}

/* ===== 6. INDUSTRIES , Subtle Motion Grid ===== */
.cinematic-industry-card {
  position: relative;
  transition: background var(--duration-fast) var(--ease-cinematic),
              transform var(--duration-fast) var(--ease-cinematic);
}
.cinematic-industry-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--duration-medium) var(--ease-cinematic);
}
.cinematic-industry-card:hover {
  background: rgba(237, 193, 94, 0.08);
}
.cinematic-industry-card:hover::after {
  transform: scaleX(1);
}
.cinematic-industry-card {
  cursor: default;
}

/* ===== 7. INSIGHTS , Staggered Card Reveal ===== */
.cinematic-insight-card {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-reveal) var(--ease-out-cinematic),
              transform var(--duration-reveal) var(--ease-out-cinematic),
              box-shadow var(--duration-medium) var(--ease-cinematic);
}
.cinematic-insight-card.visible {
  opacity: 1;
  transform: translateY(0);
}
.cinematic-insight-card:hover {
  box-shadow: 0 16px 40px -12px rgba(0, 0, 0, 0.12);
}
.cinematic-insight-card .cinematic-insight-img {
  transition: transform var(--duration-slow) var(--ease-cinematic);
  overflow: hidden;
}
.cinematic-insight-card:hover .cinematic-insight-img img {
  transform: scale(1.05);
}

/* ===== 8. FINAL CTA , Cinematic Closing ===== */
.cinematic-cta {
  position: relative;
  overflow: hidden;
}
.cinematic-cta-btn {
  animation: cinematicCtaPulse 6s var(--ease-cinematic) infinite;
}
@keyframes cinematicCtaPulse {
  0%, 90%, 100% { transform: scale(1); }
  95% { transform: scale(1.02); }
}

/* ===== About Page , Hero & Section Cinematic ===== */
.about-hero-cinematic .about-hero-mesh {
  transition: opacity var(--duration-slow) var(--ease-cinematic);
}
.about-hero-cinematic.about-hero-scrolled .about-hero-mesh {
  opacity: 0.6;
}

/* ===== Parallax Depth Layers ===== */
.cinematic-parallax-slow {
  transition: transform 0.1s linear;
  will-change: transform;
}
.cinematic-parallax-mid {
  transition: transform 0.1s linear;
  will-change: transform;
}

/* ===== Ambient Motion (subtle) ===== */
.cinematic-grain {
  animation: cinematicGrain 8s steps(10) infinite;
  opacity: 0.02;
  pointer-events: none;
}
@keyframes cinematicGrain {
  0%, 100% { transform: translate(0, 0); }
  25% { transform: translate(-2px, -1px); }
  50% { transform: translate(1px, 2px); }
  75% { transform: translate(-1px, 1px); }
}