/* =====================================================
   SocialBoost — Premium Motion Layer (additive)
   Preloader · Magnetic buttons ·
   3D tilt cards · Button ripple · Entrance polish
   Loads AFTER style.css — does not modify it.
===================================================== */

/* ---------- Preloader ---------- */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--dark, #0B1120);
  transition: opacity 700ms cubic-bezier(.22,1,.36,1), visibility 700ms;
}
#preloader.done { opacity: 0; visibility: hidden; pointer-events: none; }
body:not(.pf-loaded) { overflow: hidden; }

.pf-loader { display: flex; flex-direction: column; align-items: center; gap: 22px; }
.pf-loader-logo {
  width: min(240px, 70vw);
  height: auto;
}
.pf-loader-bar { width: 160px; height: 3px; border-radius: 3px; background: rgba(255,255,255,.14); overflow: hidden; }
.pf-loader-bar span {
  display: block; height: 100%; width: 40%; border-radius: 3px;
  background: var(--gradient, linear-gradient(135deg,#2563EB,#7C3AED));
  animation: pfBar 1.15s ease-in-out infinite;
}
@keyframes pfBar {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

/* ---------- Magnetic buttons ---------- */
.btn {
  transition: transform 260ms cubic-bezier(.22,1,.36,1), box-shadow var(--transition),
              background var(--transition), color var(--transition), border-color var(--transition);
}

/* ---------- Button ripple ---------- */
.pf-ripple {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  width: 10px; height: 10px;
  margin-left: -5px; margin-top: -5px;
  background: rgba(255,255,255,.55);
  animation: pfRipple 650ms ease-out forwards;
}
.btn-ghost .pf-ripple,
.btn-outline .pf-ripple,
.btn-outline-white .pf-ripple { background: rgba(124,58,237,.28); }
@keyframes pfRipple {
  to { transform: scale(24); opacity: 0; }
}

/* ---------- 3D tilt cards ---------- */
.service-card, .portfolio-card, .price-card, .about-stat {
  transition: transform 220ms cubic-bezier(.22,1,.36,1), box-shadow var(--transition), border-color var(--transition);
  will-change: transform;
}

/* ---------- Hero text slides in from the left after loader ---------- */
.hero-copy.reveal {
  opacity: 1;
  transform: none;
  filter: none;
}
.hero-copy > * {
  opacity: 0;
  transform: translateX(-110px);
  filter: blur(6px);
  transition:
    opacity 900ms cubic-bezier(.22,1,.36,1),
    transform 900ms cubic-bezier(.22,1,.36,1),
    filter 900ms cubic-bezier(.22,1,.36,1);
}
body.pf-loaded .hero-copy.reveal.is-visible > * {
  opacity: 1;
  transform: translateX(0);
  filter: blur(0);
}
body.pf-loaded .hero-copy.reveal.is-visible > .badge { transition-delay: 80ms; }
body.pf-loaded .hero-copy.reveal.is-visible > .hero-title { transition-delay: 200ms; }
body.pf-loaded .hero-copy.reveal.is-visible > .hero-desc { transition-delay: 340ms; }
body.pf-loaded .hero-copy.reveal.is-visible > .hero-actions { transition-delay: 480ms; }
body.pf-loaded .hero-copy.reveal.is-visible > .hero-perks { transition-delay: 600ms; }
body.pf-loaded .hero-copy.reveal.is-visible > .hero-trust { transition-delay: 720ms; }
body.pf-loaded .hero-copy.reveal.is-visible > .hero-stats { transition-delay: 840ms; }

@media (max-width: 640px) {
  .hero-copy > * { transform: translateX(-48px); filter: blur(4px); }
}

/* ---------- Eyebrow underline draw-in ---------- */
.eyebrow { position: relative; display: inline-block; }
.eyebrow::after {
  content: '';
  position: absolute;
  left: 0; bottom: -6px;
  height: 2px; width: 100%;
  background: var(--gradient, linear-gradient(135deg,#2563EB,#7C3AED));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 900ms cubic-bezier(.22,1,.36,1);
  transition-delay: 150ms;
}
.reveal.is-visible .eyebrow::after { transform: scaleX(1); }

/* ---------- Featured pricing card — pulsing glow ---------- */
.price-featured { animation: pfGlowPulse 3.4s ease-in-out infinite; }
@keyframes pfGlowPulse {
  0%, 100% { box-shadow: var(--shadow-md); }
  50%      { box-shadow: var(--shadow-md), 0 0 46px rgba(124,58,237,.38); }
}

/* ---------- Nav logo subtle lift ---------- */
.logo img { transition: transform 400ms cubic-bezier(.22,1,.36,1); }
.logo:hover img { transform: scale(1.04); }

/* ---------- Back-to-top polish ---------- */
.back-to-top {
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition), visibility var(--transition);
}
.back-to-top:hover { transform: translateY(-4px) scale(1.07); }

/* ---------- Stat number pop on reveal ---------- */
.stat-num { display: inline-block; }

/* ---------- Respect reduced motion & small screens ---------- */
@media (prefers-reduced-motion: reduce) {
  #preloader { transition: none; }
  .pf-loader-bar span { animation: none; }
  .hero-copy > * { opacity: 1; transform: none; filter: none; transition: none; }
  .price-featured { animation: none; }
  .eyebrow::after { transition: none; transform: scaleX(1); }
}