/* ===================================================
   CLOZ DIGITAL — Animation System
   Premium, restrained, professional motion
   =================================================== */

/* --- Intro Overlay --- */
.intro-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.intro-overlay__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  opacity: 0;
  transform: translateY(8px);
}

.intro-overlay__logo svg {
  width: 34px;
  height: 34px;
}

.intro-overlay__text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.intro-overlay__text span {
  font-weight: 500;
  color: var(--accent);
  margin-left: 0.15em;
}

/* Intro animation states */
.intro-overlay.phase-logo .intro-overlay__logo {
  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);
}

.intro-overlay.phase-exit {
  opacity: 0;
  transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}


/* --- Body hidden during intro --- */
body.loading {
  overflow: hidden;
}

body.loading .header,
body.loading .hero,
body.loading .section,
body.loading .cta-section,
body.loading .footer,
body.loading .page-hero {
  opacity: 0;
}


/* --- Stagger Reveal System --- */
/* Base state for all animated elements */
[data-anim] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Stagger delays — applied via data-anim-delay or via JS */
[data-anim][data-delay="1"] { transition-delay: 0.08s; }
[data-anim][data-delay="2"] { transition-delay: 0.16s; }
[data-anim][data-delay="3"] { transition-delay: 0.24s; }
[data-anim][data-delay="4"] { transition-delay: 0.32s; }
[data-anim][data-delay="5"] { transition-delay: 0.40s; }
[data-anim][data-delay="6"] { transition-delay: 0.48s; }
[data-anim][data-delay="7"] { transition-delay: 0.56s; }
[data-anim][data-delay="8"] { transition-delay: 0.64s; }

/* Fade-only variant (no translate) */
[data-anim="fade"] {
  transform: none;
}

/* Slide-up larger for hero elements */
[data-anim="hero"] {
  transform: translateY(32px);
}

/* Scale-up for cards */
[data-anim="scale"] {
  transform: scale(0.97) translateY(16px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-anim="scale"].is-visible {
  transform: scale(1) translateY(0);
}


/* --- Header Animation --- */
.header {
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              background var(--t-base) var(--ease-out),
              border-color var(--t-base) var(--ease-out);
}

.header.anim-in {
  opacity: 1;
  transform: translateY(0);
}

/* Scrolled header enhanced transition */
.header.scrolled {
  background: rgba(11, 11, 13, 0.97);
  border-bottom-color: var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}


/* --- Enhanced Nav Link Hover --- */
.nav__link {
  position: relative;
}

.nav__link::before {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav__link:hover::before {
  width: 100%;
}

.nav__link.active::before {
  width: 100%;
}

/* Remove the old active::after since we use ::before now */
.nav__link.active::after {
  display: none;
}


/* --- Button Enhanced Interactions --- */
.btn {
  position: relative;
  overflow: hidden;
  transition: background 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              color 0.2s,
              border-color 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
  transition-duration: 0.08s;
}

.btn--primary:hover {
  box-shadow: 0 4px 20px rgba(94, 141, 181, 0.2);
}

.btn--ghost:hover {
  box-shadow: 0 2px 12px rgba(94, 141, 181, 0.08);
}


/* --- Project Card Enhanced Hover --- */
.project-card {
  transition: border-color 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover {
  border-color: var(--accent-muted);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.project-card__visual {
  overflow: hidden;
}

.project-card .visual-block {
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .visual-block {
  transform: scale(1.03);
}


/* --- Service Item Hover --- */
.service-item {
  transition: background 0.3s, border-color 0.3s;
}

.service-item:hover {
  background: var(--surface);
}


/* --- Process Step Enhanced Hover --- */
.process-step {
  transition: border-color 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              background 0.3s;
}

.process-step:hover {
  border-color: var(--accent-muted);
  transform: translateY(-2px);
  background: var(--surface);
}


/* --- Testimonial Card Hover --- */
.testimonial {
  transition: border-color 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.testimonial:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
}


/* --- Small Card Hover Enhancement --- */
.small-card {
  transition: border-color 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              background 0.3s;
}

.small-card:hover {
  border-color: var(--accent-muted);
  transform: translateY(-2px);
  background: var(--surface);
}


/* --- Info Card Hover Enhancement --- */
.info-card {
  transition: border-color 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              border-left-color 0.3s,
              transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              background 0.3s;
}

.info-card:hover {
  border-left-color: var(--accent-hover);
  border-color: var(--border-light);
  transform: translateY(-2px);
  background: var(--surface);
}


/* --- Form Focus Enhancements --- */
.form-input,
.form-textarea,
.form-select {
  transition: border-color 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              background 0.3s;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(94, 141, 181, 0.1);
  background: rgba(94, 141, 181, 0.03);
}

.form-group label {
  transition: color 0.2s;
}

.form-group.focused label {
  color: var(--accent);
}


/* --- Pricing Card Hover --- */
.pricing-card {
  transition: border-color 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.3s;
}

.pricing-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}


/* --- Included Card Hover --- */
.included-card {
  transition: border-top-color 0.3s, transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.included-card:hover {
  border-top-color: var(--accent);
  transform: translateY(-2px);
}


/* --- Decision Card Hover --- */
.decision-card {
  transition: border-top-color 0.3s, transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.decision-card:hover {
  border-top-color: var(--accent);
  transform: translateY(-2px);
}


/* --- Footer Link Hover Enhancement --- */
.footer__link {
  position: relative;
  transition: color 0.2s;
}

.footer__link::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.footer__link:hover::after {
  width: 100%;
}


/* --- Mobile Nav Overlay Enhancement --- */
.nav-overlay {
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0.4s;
}

.nav-overlay__link {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              color 0.2s;
}

.nav-overlay.active .nav-overlay__link {
  opacity: 1;
  transform: translateY(0);
}

.nav-overlay.active .nav-overlay__link:nth-child(1) { transition-delay: 0.05s; }
.nav-overlay.active .nav-overlay__link:nth-child(2) { transition-delay: 0.10s; }
.nav-overlay.active .nav-overlay__link:nth-child(3) { transition-delay: 0.15s; }
.nav-overlay.active .nav-overlay__link:nth-child(4) { transition-delay: 0.20s; }
.nav-overlay.active .nav-overlay__link:nth-child(5) { transition-delay: 0.25s; }

.nav-overlay__link:hover {
  color: var(--accent);
}


/* --- CTA Section Subtle Border Pulse --- */
.cta-section {
  transition: background 0.4s;
}


/* --- Label Badges --- */
.label {
  transition: background 0.3s, border-color 0.3s;
}


/* --- Smooth Scroll Indicator (optional subtle detail) --- */
@keyframes gentle-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(4px); }
}


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

  .intro-overlay {
    display: none !important;
  }

  [data-anim] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .header {
    opacity: 1 !important;
    transform: none !important;
  }

  .nav-overlay__link {
    opacity: 1;
    transform: none;
  }

  .project-card:hover,
  .process-step:hover,
  .testimonial:hover,
  .small-card:hover,
  .info-card:hover,
  .pricing-card:hover,
  .btn:hover {
    transform: none;
  }
}