/* ─────────────────────────────────────────────────────────────
   Animations — keyframes, animation classes, scroll reveal
   ───────────────────────────────────────────────────────────── */

/* ─── Keyframes ──────────────────────────────────────────────── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-50px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(50px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to   { opacity: 1; transform: scale(1); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-10px); }
}

@keyframes gradient {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.7; }
}

@keyframes shine {
    to { background-position: 200% center; }
}

/* ─── Animation classes ──────────────────────────────────────── */
.animate-fade-in-up   { animation: fadeInUp    0.8s ease-out   forwards; }
.animate-fade-in      { animation: fadeIn      1s   ease-out   forwards; }
.animate-slide-in-left  { animation: slideInLeft  0.8s ease-out forwards; }
.animate-slide-in-right { animation: slideInRight 0.8s ease-out forwards; }
.animate-scale-in     { animation: scaleIn     0.6s ease-out   forwards; }
.animate-float        { animation: float       3s   ease-in-out infinite; }
.animate-gradient     { background-size: 200% 200%; animation: gradient 5s ease infinite; }
.animate-pulse-slow   { animation: pulse       3s   cubic-bezier(0.4, 0, 0.6, 1) infinite; }

/* RTL overrides */
[dir="rtl"] .animate-slide-in-left  { animation: slideInRight 0.8s ease-out forwards; }
[dir="rtl"] .animate-slide-in-right { animation: slideInLeft  0.8s ease-out forwards; }

/* ─── Animation delay helpers ────────────────────────────────── */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }
.delay-700 { animation-delay: 0.7s; }

/* ─── Shine button effect ────────────────────────────────────── */
.shine {
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    background-size: 200% 100%;
    background-position: -200% center;
}
.shine:hover { animation: shine 1.5s ease; }

/* ─────────────────────────────────────────────────────────────
   Scroll Reveal System
   Elements are auto-tagged by scroll-reveal.js at runtime.
   ───────────────────────────────────────────────────────────── */
.sr {
    opacity: 0;
    will-change: opacity, transform;
    animation: none !important;
}

.sr-up    { transform: translateY(52px); }
.sr-left  { transform: translateX(-52px); }
.sr-right { transform: translateX(52px); }
.sr-zoom  { transform: scale(0.88) translateY(24px); }

.sr.in-view {
    opacity: 1;
    transform: none;
    transition:
        opacity   1.4s cubic-bezier(0.16, 1, 0.3, 1),
        transform 1.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Stagger delays for grid children */
.sr-d1.in-view { transition-delay: 0.15s; }
.sr-d2.in-view { transition-delay: 0.30s; }
.sr-d3.in-view { transition-delay: 0.45s; }
.sr-d4.in-view { transition-delay: 0.60s; }
.sr-d5.in-view { transition-delay: 0.75s; }
.sr-d6.in-view { transition-delay: 0.90s; }