/* ============================================================
   CASCADE PIXEL STUDIOS — Animations
   Scroll reveals, hero sequence, hover states, parallax
   ============================================================ */

/* === REVEAL ANIMATIONS === */

/* Base reveal state — elements start hidden */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-dramatic) var(--ease-dramatic),
              transform var(--duration-dramatic) var(--ease-dramatic);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays for data-delay attributes */
[data-delay="1"] { transition-delay: 100ms; }
[data-delay="2"] { transition-delay: 200ms; }
[data-delay="3"] { transition-delay: 300ms; }
[data-delay="4"] { transition-delay: 500ms; }
[data-delay="5"] { transition-delay: 650ms; }
[data-delay="6"] { transition-delay: 800ms; }

/* === HERO LOAD SEQUENCE === */

/* The hero starts hidden and orchestrates reveal */
.hero [data-reveal] {
  opacity: 0;
  transform: translateY(30px);
}

.hero [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hero overline has a slide-in from left */
.hero__overline[data-reveal] {
  transform: translateX(-20px);
}

.hero__overline[data-reveal].is-visible {
  transform: translateX(0);
}

/* Hero title lines cascade in with clip */
.hero__title-line {
  display: block;
  overflow: hidden;
}

/* === STAGGERED GRID REVEALS === */

/* Services cards stagger */
.services__card[data-reveal]:nth-child(1) { transition-delay: 0ms; }
.services__card[data-reveal]:nth-child(2) { transition-delay: 80ms; }
.services__card[data-reveal]:nth-child(3) { transition-delay: 160ms; }
.services__card[data-reveal]:nth-child(4) { transition-delay: 240ms; }
.services__card[data-reveal]:nth-child(5) { transition-delay: 320ms; }
.services__card[data-reveal]:nth-child(6) { transition-delay: 400ms; }

/* Work cards stagger */
.work__card[data-reveal]:nth-child(1) { transition-delay: 0ms; }
.work__card[data-reveal]:nth-child(2) { transition-delay: 60ms; }
.work__card[data-reveal]:nth-child(3) { transition-delay: 120ms; }
.work__card[data-reveal]:nth-child(4) { transition-delay: 180ms; }
.work__card[data-reveal]:nth-child(5) { transition-delay: 240ms; }
.work__card[data-reveal]:nth-child(6) { transition-delay: 300ms; }
.work__card[data-reveal]:nth-child(7) { transition-delay: 360ms; }
.work__card[data-reveal]:nth-child(8) { transition-delay: 420ms; }

/* Process steps stagger */
.process__step[data-reveal]:nth-child(1) { transition-delay: 0ms; }
.process__step[data-reveal]:nth-child(2) { transition-delay: 150ms; }
.process__step[data-reveal]:nth-child(3) { transition-delay: 300ms; }
.process__step[data-reveal]:nth-child(4) { transition-delay: 450ms; }

/* Testimonials stagger */
.testimonial[data-reveal]:nth-child(1) { transition-delay: 0ms; }
.testimonial[data-reveal]:nth-child(2) { transition-delay: 120ms; }
.testimonial[data-reveal]:nth-child(3) { transition-delay: 240ms; }
.testimonial[data-reveal]:nth-child(4) { transition-delay: 360ms; }

/* === MENU LINK STAGGER === */
.menu-overlay.is-open .menu-overlay__link:nth-child(1) { transition-delay: 100ms; }
.menu-overlay.is-open .menu-overlay__link:nth-child(2) { transition-delay: 160ms; }
.menu-overlay.is-open .menu-overlay__link:nth-child(3) { transition-delay: 220ms; }
.menu-overlay.is-open .menu-overlay__link:nth-child(4) { transition-delay: 280ms; }
.menu-overlay.is-open .menu-overlay__link:nth-child(5) { transition-delay: 340ms; }
.menu-overlay.is-open .menu-overlay__cta { transition-delay: 420ms; }

/* Menu close — fast, no stagger */
.menu-overlay:not(.is-open) .menu-overlay__link {
  transition-delay: 0ms;
}

/* === PARALLAX CLASSES === */
.parallax-slow {
  will-change: transform;
}

.parallax-medium {
  will-change: transform;
}

/* === WORK CARD HOVER EFFECTS === */
.work__card-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(196, 98, 58, 0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-out);
  pointer-events: none;
}

.work__card:hover .work__card-visual::after {
  opacity: 1;
}

/* === SERVICES CARD HOVER GLOW === */
.services__card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg,
    rgba(196, 98, 58, 0.15) 0%,
    transparent 50%,
    rgba(107, 143, 163, 0.1) 100%);
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-out);
  z-index: -1;
  pointer-events: none;
}

.services__card {
  position: relative;
}

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

/* Services icon animation on hover */
.services__icon svg {
  transition: transform var(--duration-slow) var(--ease-spring);
}

.services__card:hover .services__icon svg {
  transform: scale(1.1) translateY(-2px);
}

/* === BUTTON MAGNETIC EFFECT PLACEHOLDER === */
.btn--magnetic {
  transition: transform var(--duration-normal) var(--ease-spring),
              background-color var(--transition-normal),
              box-shadow var(--transition-normal);
}

/* === SCROLL INDICATOR === */
.hero__scroll-indicator {
  animation: scrollFade 3s ease-in-out 2s infinite;
}

@keyframes scrollFade {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* === NAV ENTRANCE === */
.site-header {
  animation: navSlideDown var(--duration-dramatic) var(--ease-dramatic) forwards;
}

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

/* === PROCESS TIMELINE FILL === */
.process__line-fill {
  transition: transform 1.5s var(--ease-dramatic);
}

/* === TESTIMONIAL QUOTE MARK === */
.testimonial::after {
  content: '\201C';
  position: absolute;
  top: var(--space-4);
  right: var(--space-6);
  font-family: var(--font-display);
  font-size: 4rem;
  line-height: 1;
  color: var(--accent-primary);
  opacity: 0.08;
  pointer-events: none;
}

.testimonial {
  position: relative;
  overflow: hidden;
}

/* === FILTER BUTTON ACTIVE ANIMATION === */
.work__filter {
  position: relative;
}

.work__filter.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--accent-primary);
}

/* === THEME TOGGLE TRANSITION === */
.theme-toggle__icon--sun,
.theme-toggle__icon--moon {
  transition: transform var(--duration-slow) var(--ease-spring),
              opacity var(--duration-normal) var(--ease-out);
}

[data-theme="light"] .theme-toggle:hover .theme-toggle__icon--sun {
  transform: rotate(30deg);
}

[data-theme="dark"] .theme-toggle:hover .theme-toggle__icon--moon {
  transform: rotate(-15deg);
}

/* === CONTACT FORM FOCUS LABEL LIFT === */
.form-group:focus-within .form-label {
  color: var(--accent-primary);
  transition: color var(--transition-normal);
}

/* === FOOTER SOCIAL HOVER === */
.footer__social-link svg {
  transition: transform var(--duration-normal) var(--ease-spring);
}

.footer__social-link:hover svg {
  transform: scale(1.15);
}

/* === REDUCED MOTION OVERRIDE === */
@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero__mesh {
    animation: none;
  }

  .hero__particle {
    animation: none;
    display: none;
  }

  .hero__scroll-indicator {
    animation: none;
  }

  .hero__scroll-line {
    animation: none;
  }

  .site-header {
    animation: none;
  }
}