/* ═══════════════════════════════════════════════════════════
   SITE-WIDE ANIMATIONS
   Scroll-reveal, hover lifts, stagger, pulse accents
   ═══════════════════════════════════════════════════════════ */

/* ── Keyframes ─────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.94); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes slideLeft {
  from { opacity: 0; transform: translateX(-24px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes slideRight {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(1.5); }
}
@keyframes countUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Scroll-reveal base ────────────────────────────────── */
/* Elements start invisible; JS adds .is-visible */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ── Hero entrance (immediate, no scroll needed) ───────── */
.hero-badge   { animation: fadeIn  0.5s ease both; animation-delay: 0.1s; }
.hero-h1      { animation: fadeUp  0.65s ease both; animation-delay: 0.25s; }
.hero-sub     { animation: fadeUp  0.65s ease both; animation-delay: 0.4s; }
.hero-ctas    { animation: fadeUp  0.65s ease both; animation-delay: 0.55s; }
.hero-proof   { animation: fadeIn  0.65s ease both; animation-delay: 0.75s; }

/* ── Card hover lift ───────────────────────────────────── */
.card-lift {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.card-lift:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.12);
}

/* ── Stat counter entrance ─────────────────────────────── */
.stat-item {
  animation: countUp 0.6s ease both;
}

/* ── Red accent pulse (dot / badge) ────────────────────── */
.pulse-dot {
  animation: pulseDot 2s ease-in-out infinite;
}

/* ── Button scale on hover ─────────────────────────────── */
a, button {
  transition: opacity 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}
/* Don't apply scale to nav / logo */
.nav-logo, .nav-link, .nav-cta, .mob-nav-link, .mob-sub-link, #nav-hamburger, #nav-close {
  transition: color 0.15s ease, background 0.15s ease, opacity 0.15s ease !important;
}
.nav-logo:hover { transform: none !important; }

/* ── Image zoom on hover (blog/case study cards) ───────── */
.img-zoom {
  overflow: hidden;
}
.img-zoom img,
.img-zoom .img-bg {
  transition: transform 0.45s ease;
}
.img-zoom:hover img,
.img-zoom:hover .img-bg {
  transform: scale(1.04);
}

/* ── Section divider line animate ─────────────────────── */
.divider-line {
  display: block;
  width: 2.5rem;
  height: 3px;
  background: var(--red);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.45s ease;
}
.is-visible .divider-line,
.reveal.is-visible .divider-line {
  transform: scaleX(1);
}

/* ── Nav sticky shadow on scroll ──────────────────────── */
#site-header {
  transition: box-shadow 0.3s ease, background 0.3s ease;
}
#site-header.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}