/* ============================================================
   artBit Solution — Animation System
   GSAP + Lenis Smooth Scroll + CSS Animation definitions
============================================================ */

/* ── Lenis Smooth Scroll Recommended CSS ── */
html.lenis, html.lenis body {
  height: auto;
}

.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}

.lenis.lenis-smooth [data-lenis-prevent] {
  overscroll-behavior: contain;
}

.lenis.lenis-stopped {
  overflow: hidden;
}

.lenis.lenis-scrolling iframe {
  pointer-events: none;
}

/* ── Reveal Animation Base States ── */
.reveal-el {
  opacity: 0;
  transform: translateY(40px);
  filter: blur(4px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform, filter;
}

.reveal-el.revealed {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* ── Word Reveal Wrapper ── */
.word-reveal-wrapper { overflow: hidden; display: inline-block; }
.word-inner {
  display: inline-block;
  transform: translateY(100%);
  opacity: 0;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.word-inner.revealed {
  transform: translateY(0);
  opacity: 1;
}

/* ── Hero Words ── */
.hero-word {
  display: block;
  overflow: hidden;
  line-height: 1.05;
}
.hero-word-inner {
  display: block;
  transform: translateY(100%) rotateX(12deg);
  opacity: 0;
  transform-origin: top center;
  transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}
.hero-word-inner.revealed {
  transform: translateY(0) rotateX(0deg);
  opacity: 1;
}

/* ── Service Card Reveal ── */
.service-card {
  opacity: 0;
  transform: translateY(32px);
  filter: blur(3px);
}
.service-card.revealed {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              background 0.3s, border-color 0.3s, box-shadow 0.3s;
}

/* ── Portfolio Card Reveal ── */
.portfolio-card {
  opacity: 0;
  transform: translateY(28px);
}
.portfolio-card.revealed {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Stat Card Reveal ── */
.stat-card, .diff-card {
  opacity: 0;
  transform: translateY(24px);
}
.stat-card.revealed, .diff-card.revealed {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              background 0.3s;
}

/* ── Testimonial Card Reveal ── */
.testimonial-card {
  opacity: 1;
}
.testimonial-featured {
  opacity: 0;
  transform: translateY(28px);
}
.testimonial-featured.revealed {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── FAQ Item Reveal ── */
.faq-item {
  opacity: 0;
  transform: translateX(-20px);
}
.faq-item.revealed {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.3s;
}

/* ── Contact Band Reveal ── */
.contact-band-inner {
  opacity: 0;
  transform: translateY(32px);
}
.contact-band-inner.revealed {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Process Step Reveal ── */
.process-step {
  opacity: 0;
  transform: translateX(-24px);
}
.process-step.revealed {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Portfolio Full Card Reveal ── */
.portfolio-full-card {
  opacity: 0;
  transform: translateY(28px);
}
.portfolio-full-card.revealed {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Service Full Item Reveal ── */
.service-full-item {
  opacity: 0;
  transform: translateY(20px);
}
.service-full-item.revealed {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              background 0.3s;
}

/* ── Magnetic Button ── */
.magnetic-btn {
  transition: transform 0.3s cubic-bezier(0.23, 1, 0.32, 1),
              box-shadow 0.25s cubic-bezier(0.34, 1.56, 0.64, 1),
              background 0.25s,
              border-color 0.25s;
}

/* ── Nav Slide In ── */
@keyframes navSlideIn {
  from { transform: translateY(-100%); opacity: 0; }
  to   { transform: translateY(0);     opacity: 1; }
}
.nav { animation: navSlideIn 0.6s cubic-bezier(0, 0, 0.2, 1) 0.2s both; }

/* ── Counter Animation ── */
.stat-val, .hero-stat-val {
  transition: color 1.8s ease;
}

/* ── Testimonial Slider Transitions ── */
.testimonial-track {
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Mobile Menu Items ── */
.mobile-nav-link {
  transition: color 0.25s, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s;
}
.mobile-menu:not(.open) .mobile-nav-link {
  opacity: 0;
  transform: translateY(20px);
}
.mobile-menu.open .mobile-nav-link {
  opacity: 1;
  transform: translateY(0);
}
.mobile-menu.open li:nth-child(1) .mobile-nav-link { transition-delay: 0.1s; }
.mobile-menu.open li:nth-child(2) .mobile-nav-link { transition-delay: 0.15s; }
.mobile-menu.open li:nth-child(3) .mobile-nav-link { transition-delay: 0.2s; }
.mobile-menu.open li:nth-child(4) .mobile-nav-link { transition-delay: 0.25s; }
.mobile-menu.open li:nth-child(5) .mobile-nav-link { transition-delay: 0.3s; }

/* ── Page Transition Overlay ── */
.page-transition-overlay {
  position: fixed;
  inset: 0;
  background: #0E0E10;
  z-index: 10000;
  pointer-events: none;
  transform: translateY(100%);
  transition: transform 0.5s cubic-bezier(0.4, 0, 1, 1);
}
.page-transition-overlay.entering {
  transform: translateY(0);
}
.page-transition-overlay.leaving {
  transform: translateY(-100%);
  transition: transform 0.5s cubic-bezier(0, 0, 0.2, 1);
}

/* ── Tech Logos ── */
.tech-logo-pill {
  opacity: 0;
  transform: translateY(16px);
}
.tech-logo-pill.revealed {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.25s,
              color 0.25s,
              box-shadow 0.25s;
}

/* ── Scroll Trigger Animation Delays (used via JS) ── */
[data-delay="1"] { transition-delay: 0.07s !important; }
[data-delay="2"] { transition-delay: 0.14s !important; }
[data-delay="3"] { transition-delay: 0.21s !important; }
[data-delay="4"] { transition-delay: 0.28s !important; }
[data-delay="5"] { transition-delay: 0.35s !important; }
[data-delay="6"] { transition-delay: 0.42s !important; }
[data-delay="7"] { transition-delay: 0.49s !important; }
[data-delay="8"] { transition-delay: 0.56s !important; }

/* ── New Homepage Elements ── */
.smart-dev-card,
.artbit-port-card,
.artbit-services-item {
  opacity: 0;
  transform: translateY(28px);
}

.smart-dev-card.revealed,
.artbit-port-card.revealed,
.artbit-services-item.revealed {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Stagger delay for grid items */
.smart-dev-card:nth-child(2).revealed { transition-delay: 0.08s; }
.smart-dev-card:nth-child(3).revealed { transition-delay: 0.16s; }
.smart-dev-card:nth-child(4).revealed { transition-delay: 0.24s; }

.artbit-port-card:nth-child(2).revealed { transition-delay: 0.08s; }
.artbit-port-card:nth-child(3).revealed { transition-delay: 0.16s; }
.artbit-port-card:nth-child(4).revealed { transition-delay: 0.24s; }

.artbit-services-item:nth-child(2).revealed { transition-delay: 0.08s; }
.artbit-services-item:nth-child(3).revealed { transition-delay: 0.16s; }
.artbit-services-item:nth-child(4).revealed { transition-delay: 0.24s; }