/* ============================================
   OPUS FILMS — Animations
   ============================================ */

.reveal-fade {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal-fade.revealed {
    opacity: 1;
    transform: translateY(0);
}

.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; }

/* Hero staggered animations */
.hero-elegant .hero-ornament { opacity: 0; transform: rotate(45deg) scale(0); animation: heroReveal 0.6s ease 0.5s forwards; }
.hero-elegant .hero-pre-title { opacity: 0; transform: translateY(20px); animation: heroFadeUp 0.8s ease 0.7s forwards; }
.hero-elegant .hero-title { opacity: 0; transform: translateY(30px); animation: heroFadeUp 0.8s ease 0.9s forwards; }
.hero-elegant .hero-divider { opacity: 0; transform: scaleX(0); animation: heroLineReveal 0.6s ease 1.1s forwards; }
.hero-elegant .hero-subtitle { opacity: 0; transform: translateY(20px); animation: heroFadeUp 0.8s ease 1.3s forwards; }
.hero-elegant .hero-btns { opacity: 0; transform: translateY(20px); animation: heroFadeUp 0.8s ease 1.5s forwards; }

@keyframes heroFadeUp {
    to { opacity: 1; transform: translateY(0); }
}
@keyframes heroReveal {
    to { opacity: 1; transform: rotate(45deg) scale(1); }
}
@keyframes heroLineReveal {
    to { opacity: 1; transform: scaleX(1); }
}

/* Counter animation */
.stat-number { display: inline-block; min-width: 50px; }

/* Card hover transitions */
.service-elegant, .blog-elegant-card, .team-elegant-card, .value-elegant, .testimonial-elegant {
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

/* Gold line expand on hover */
.service-elegant-line { transition: width var(--transition-normal); }

/* Button hover shimmer */
.btn-gold { position: relative; overflow: hidden; }
.btn-gold::after {
    content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}
.btn-gold:hover::after { left: 100%; }

/* Nav link underline */
.nav-link::after { transition: transform 0.4s ease; }

/* Parallax section */
.parallax-section {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

/* Loading shimmer */
.shimmer {
    background: linear-gradient(90deg, #f5f0eb 25%, #e8e0d5 50%, #f5f0eb 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}
@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Gold accent line on sections */
.gold-accent-line {
    position: relative; padding-left: 24px;
}
.gold-accent-line::before {
    content: ''; position: absolute; left: 0; top: 0;
    width: 2px; height: 100%; background: var(--color-gold);
    transform: scaleY(0); transform-origin: bottom;
    transition: transform 0.6s ease;
}
.gold-accent-line.revealed::before { transform: scaleY(1); }