/* ═══════════════════════════════════════
   UI MARATHON - site-wide motion layer
═══════════════════════════════════════ */

:root {
  --ui-ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ui-ease-spring: cubic-bezier(0.22, 1, 0.36, 1);
  --ui-duration: 0.55s;
  --ui-duration-fast: 0.28s;
}

/* ── Scroll reveal stagger ── */
.reveal-stagger.in-view > *,
.reveal-stagger.in-view {
  animation: uiStaggerIn var(--ui-duration) var(--ui-ease-out) both;
}

.reveal-stagger.in-view > *:nth-child(1),
.reveal-stagger.in-view:nth-child(1) { animation-delay: 0.04s; }
.reveal-stagger.in-view > *:nth-child(2),
.reveal-stagger.in-view:nth-child(2) { animation-delay: 0.1s; }
.reveal-stagger.in-view > *:nth-child(3),
.reveal-stagger.in-view:nth-child(3) { animation-delay: 0.16s; }
.reveal-stagger.in-view > *:nth-child(4),
.reveal-stagger.in-view:nth-child(4) { animation-delay: 0.22s; }
.reveal-stagger.in-view > *:nth-child(5),
.reveal-stagger.in-view:nth-child(5) { animation-delay: 0.28s; }
.reveal-stagger.in-view > *:nth-child(6),
.reveal-stagger.in-view:nth-child(6) { animation-delay: 0.34s; }

@keyframes uiStaggerIn {
  from {
    opacity: 0;
    transform: translateY(22px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Bento cards as direct reveal-stagger items */
.bento-card.reveal-stagger {
  transition:
    transform var(--ui-duration-fast) var(--ui-ease-out),
    box-shadow var(--ui-duration-fast) var(--ui-ease-out),
    border-color var(--ui-duration-fast) ease;
}

.bento-card.reveal-stagger.in-view:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.08);
}

.step.reveal-stagger.in-view {
  animation: uiStepPop 0.6s var(--ui-ease-out) both;
}

@keyframes uiStepPop {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ── Header scroll shrink ── */
#siteHeader {
  transition:
    top var(--ui-duration-fast) var(--ui-ease-out),
    padding var(--ui-duration-fast) var(--ui-ease-out),
    box-shadow var(--ui-duration-fast) var(--ui-ease-out),
    background var(--ui-duration-fast) ease,
    backdrop-filter var(--ui-duration-fast) ease;
}

#siteHeader.header-scrolled {
  top: 10px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px) saturate(1.4);
}

#siteHeader .nav-links a {
  position: relative;
  transition: color var(--ui-duration-fast) ease, opacity var(--ui-duration-fast) ease;
}

#siteHeader .nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: var(--yellow, #ffd600);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ui-ease-out);
  border-radius: 2px;
}

#siteHeader .nav-links a:hover::after,
#siteHeader .nav-links a.nav-active::after {
  transform: scaleX(1);
}

#siteHeader .nav-links a.nav-active {
  color: var(--black);
  font-weight: 700;
}

/* ── Button micro-interactions ── */
.ui-btn-lift {
  transition:
    transform var(--ui-duration-fast) var(--ui-ease-spring),
    box-shadow var(--ui-duration-fast) ease,
    background var(--ui-duration-fast) ease,
    color var(--ui-duration-fast) ease;
}

.ui-btn-lift:hover {
  transform: translateY(-2px);
}

.ui-btn-lift:active {
  transform: translateY(0) scale(0.98);
  transition-duration: 0.08s;
}

.ui-btn-shine {
  position: relative;
  overflow: hidden;
}

.ui-btn-shine::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 40%,
    rgba(255, 255, 255, 0.35) 50%,
    transparent 60%
  );
  transform: translateX(-120%);
  transition: transform 0.6s ease;
  pointer-events: none;
}

.ui-btn-shine:hover::before {
  transform: translateX(120%);
}

/* ── Hero form float card ── */
.ui-float-card {
  animation: uiFloatCard 6s ease-in-out infinite;
  transition:
    box-shadow 0.4s var(--ui-ease-out),
    transform 0.4s var(--ui-ease-out);
}

.ui-float-card:hover {
  box-shadow:
    0 32px 64px rgba(0, 0, 0, 0.12),
    0 0 0 1px rgba(0, 74, 173, 0.15);
}

@keyframes uiFloatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.ui-form-block {
  transition:
    opacity 0.4s var(--ui-ease-out),
    transform 0.4s var(--ui-ease-out);
}

.hero-form-card:focus-within .ui-form-block {
  opacity: 1;
}

.hero-field input,
.hero-field textarea {
  transition:
    border-color 0.25s ease,
    box-shadow 0.25s ease,
    background 0.25s ease;
}

.hero-field input:focus,
.hero-field textarea:focus {
  box-shadow: 0 0 0 3px rgba(0, 74, 173, 0.15);
}

.hero-form-alt-actions {
  margin-top: 12px;
  text-align: center;
}

.hero-form-wa-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
  padding: 8px 14px;
  border-radius: var(--radius-pill, 999px);
  border: 1px solid var(--gray-200);
  background: var(--gray-50, #fafafa);
  text-decoration: none;
}

.hero-form-wa-link:hover {
  color: #128C7E;
  border-color: rgba(37, 211, 102, 0.35);
  background: rgba(37, 211, 102, 0.06);
}

.btn-hero-submit {
  transition:
    transform var(--ui-duration-fast) var(--ui-ease-spring),
    box-shadow var(--ui-duration-fast) ease,
    background var(--ui-duration-fast) ease;
}

.btn-hero-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
}

.btn-hero-submit .btn-hero-submit-icon {
  transition: transform 0.3s var(--ui-ease-out);
}

.btn-hero-submit:hover .btn-hero-submit-icon {
  transform: translateX(4px);
}

/* ── Marquee entrance ── */
.ui-marquee-enter {
  opacity: 0;
  transform: translateY(16px);
  animation: uiMarqueeEnter 0.8s var(--ui-ease-out) 0.5s both;
}

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

/* ── Bottom CTA glow pulse ── */
.ui-cta-glow {
  position: relative;
}

.ui-cta-glow::before,
.ui-cta-glow.in-view::before {
  content: none;
  display: none;
}

@keyframes uiCtaPulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* ── FAQ items ── */
.faq-item.reveal-stagger {
  transition:
    border-color 0.25s ease,
    box-shadow 0.25s ease,
    background 0.25s ease;
}

.faq-item.reveal-stagger.in-view:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
}

.faq-item[open] .faq-summary-icon {
  transition: transform 0.35s var(--ui-ease-out);
}

.faq-item[open] {
  animation: faqOpen 0.35s var(--ui-ease-out);
}

@keyframes faqOpen {
  from { opacity: 0.85; }
  to { opacity: 1; }
}

/* ── Quick help pills ── */
.quick-help-pill,
.qh-pill,
.footer-quick-help a,
.hero-prompt-chip {
  transition:
    transform var(--ui-duration-fast) var(--ui-ease-spring),
    background var(--ui-duration-fast) ease,
    border-color var(--ui-duration-fast) ease,
    box-shadow var(--ui-duration-fast) ease;
}

.quick-help-pill:hover,
.qh-pill:hover,
.footer-quick-help a:hover,
.hero-prompt-chip:hover {
  transform: translateY(-2px) scale(1.02);
}

/* ── Hero parallax on background layer (preserves blob drift animations) ── */
.hero-section .hero-bg {
  transition: transform 0.18s ease-out;
  transform: translate(calc(var(--mx, 0) * 10px), calc(var(--my, 0) * 6px));
}

body.is-scrolling .hero-section .hero-bg {
  transition: none;
}

/* ── Section headings ── */
.section-head h2,
.faq-head h2,
.steps-head h2 {
  transition: letter-spacing 0.5s var(--ui-ease-out);
}

.section-head.in-view h2,
.faq-head.in-view h2,
.steps-head.in-view h2 {
  letter-spacing: -0.02em;
}

/* ── Footer links ── */
footer a {
  transition: color 0.2s ease, opacity 0.2s ease;
}

footer a:hover {
  color: var(--yellow, #ffd600);
}

/* ── Smooth page feel ── */
html {
  scroll-behavior: smooth;
}

body.is-scrolling .ui-float-card {
  animation-play-state: paused;
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal.in-view,
  .reveal-stagger.in-view,
  .reveal-stagger.in-view > * {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
    transition: none !important;
  }

  .ui-float-card,
  .ui-marquee-enter,
  .ui-cta-glow::before {
    animation: none !important;
  }

  .ui-btn-shine::before {
    display: none;
  }

  html {
    scroll-behavior: auto;
  }
}