/* ============================================================
   DPP Labels — Animations (Avery Europe Brand)
   Scroll reveals, interactive feedback, QR scan effect
   ============================================================ */

/* --- Scroll Reveal Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 800ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-delay-100 { transition-delay: 100ms; }
.reveal-delay-200 { transition-delay: 200ms; }
.reveal-delay-300 { transition-delay: 300ms; }
.reveal-delay-400 { transition-delay: 400ms; }
.reveal-delay-500 { transition-delay: 500ms; }

/* Stagger children automatically if parent has class */
.reveal-stagger > * {
    opacity: 0;
    transform: translateY(30px);
    transition: all 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-stagger.is-visible > * {
    opacity: 1;
    transform: translateY(0);
}

.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 100ms; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 200ms; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 300ms; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 400ms; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 500ms; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 600ms; }

/* --- Keyframes --- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scan {
    0% { top: 0; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

/* Float uses Square rotation (8.5deg) */
@keyframes float {
    0% { transform: translateY(0) rotate(var(--square-angle)); }
    50% { transform: translateY(-12px) rotate(calc(var(--square-angle) + 1deg)); }
    100% { transform: translateY(0) rotate(var(--square-angle)); }
}

@keyframes pulse-glow {
    0% { box-shadow: 0 0 0 0 rgba(252, 199, 0, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(252, 199, 0, 0); }
    100% { box-shadow: 0 0 0 0 rgba(252, 199, 0, 0); }
}

/* --- Utility Animation Classes --- */
.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-pulse {
    animation: pulse-glow 2s infinite;
}

/* Stagger float delays for hero squares */
.hero-label--1 { animation-delay: 0s; }
.hero-label--2 { animation-delay: 1.5s; }
.hero-label--3 { animation-delay: 3s; }

/* Disable animations if reduced motion is preferred */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .reveal, .reveal-stagger > * {
        opacity: 1;
        transform: none;
    }
}