/* ============================================
   MODERN UI EFFECTS — matte gold + navy
   ============================================ */

/* ---- Scroll progress ---- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 1001;
  background: var(--grad-brand);
  transform: scaleX(0);
  transform-origin: left center;
  will-change: transform;
  pointer-events: none;
}

/* ---- Header on scroll ---- */
.site-header {
  transition: background 0.45s var(--ease), box-shadow 0.45s var(--ease), border-color 0.45s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(5, 10, 16, 0.94);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  border-bottom-color: rgba(var(--gold-rgb), 0.15);
}

/* ---- Nav underline + active ---- */
.main-nav a:not(.nav-cta) {
  position: relative;
}

.main-nav a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0.4rem;
  width: 0;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width 0.35s var(--ease);
}

.main-nav a:not(.nav-cta):hover::after,
.main-nav a:not(.nav-cta).is-active::after {
  width: calc(100% - 1.5rem);
}

.main-nav a.is-active {
  color: var(--white);
}

/* ---- Scroll reveal ---- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  filter: blur(6px);
  transition:
    opacity 0.75s var(--ease),
    transform 0.75s var(--ease),
    filter 0.75s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
}

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

/* ---- Hero entrance ---- */
@media (prefers-reduced-motion: no-preference) {
  @keyframes hero-fade-up {
    from {
      opacity: 0;
      transform: translateY(24px);
      filter: blur(4px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
      filter: blur(0);
    }
  }

  .hero-enter > * {
    animation: hero-fade-up 0.85s var(--ease) backwards;
  }
  .hero-enter > *:nth-child(1) { animation-delay: 0.05s; }
  .hero-enter > *:nth-child(2) { animation-delay: 0.12s; }
  .hero-enter > *:nth-child(3) { animation-delay: 0.2s; }
  .hero-enter > *:nth-child(4) { animation-delay: 0.28s; }
  .hero-enter > *:nth-child(5) { animation-delay: 0.36s; }

  .hero-visual {
    animation: hero-fade-up 1s var(--ease) 0.25s backwards, float-y 7s var(--ease) 1.25s infinite;
  }

  @keyframes dash-row-in {
    from {
      opacity: 0;
      transform: translateX(-12px);
    }
    to {
      opacity: 1;
      transform: translateX(0);
    }
  }

  .dash-pipeline .dash-row {
    animation: dash-row-in 0.6s var(--ease) backwards;
  }
}

/* ---- Hero cursor spotlight (matte) ---- */
.hero-spotlight {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.5s ease;
  background: radial-gradient(
    520px circle at var(--sx, 50%) var(--sy, 50%),
    rgba(var(--gold-rgb), 0.06) 0%,
    transparent 55%
  );
}

/* ---- Modern gradient border cards ---- */
.card-border {
  position: relative;
  isolation: isolate;
}

.card-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(var(--gold-rgb), 0.35),
    rgba(var(--gold-rgb), 0.05) 40%,
    rgba(255, 255, 255, 0.04) 60%,
    rgba(var(--gold-rgb), 0.2)
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.65;
  transition: opacity 0.4s var(--ease);
}

.card-border:hover::before {
  opacity: 1;
}

/* ---- Interactive cards ---- */
[data-tilt] {
  transition: transform 0.15s ease-out, box-shadow 0.35s var(--ease);
  transform-style: preserve-3d;
}

.svc-card[data-tilt]:hover,
.bento-cell[data-tilt]:hover {
  border-color: var(--border-gold);
}

/* ---- Button press ---- */
.btn {
  transition: transform 0.2s var(--ease), box-shadow 0.35s var(--ease), background 0.35s ease;
}

.btn:active {
  transform: scale(0.97) translateY(0);
}

/* ---- FAQ modern open ---- */
.faq summary {
  transition: color 0.3s ease, padding-left 0.35s var(--ease);
}

.faq[open] summary {
  padding-left: 1.65rem;
  color: var(--gold);
}

.faq[open] p {
  animation: faq-open 0.4s var(--ease);
}

@keyframes faq-open {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---- Process hover line ---- */
.process-item {
  position: relative;
}

.process-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 3px;
  height: 0;
  background: var(--gold);
  border-radius: 0 2px 2px 0;
  transform: translateY(-50%);
  transition: height 0.4s var(--ease);
}

.process-item:hover::before {
  height: 60%;
}

/* ---- Marquee pause on hover ---- */
.marquee-band:hover .marquee-inner {
  animation-play-state: paused;
}

/* ---- Stat strip pulse on visible ---- */
.stats-strip-item strong {
  display: inline-block;
  transition: transform 0.5s var(--ease-spring);
}

.stats-strip.is-visible .stats-strip-item strong {
  transform: scale(1.02);
}

/* ---- Link arrow nudge ---- */
.btn-primary,
.nav-cta {
  letter-spacing: 0.02em;
}

a.btn:hover,
.nav-cta:hover {
  letter-spacing: 0.04em;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    filter: none;
  }
  .hero-enter > *,
  .hero-visual,
  .dash-pipeline .dash-row {
    animation: none !important;
  }
  [data-tilt] {
    transform: none !important;
  }
}