/* ============================================
   ATLAS METALS - Animations & Scroll Effects
   ============================================ */

/* --- Fade In Up --- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in--visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delays for grid children */
.fade-in[data-delay="1"] { transition-delay: 0.1s; }
.fade-in[data-delay="2"] { transition-delay: 0.2s; }
.fade-in[data-delay="3"] { transition-delay: 0.3s; }
.fade-in[data-delay="4"] { transition-delay: 0.4s; }
.fade-in[data-delay="5"] { transition-delay: 0.5s; }
.fade-in[data-delay="6"] { transition-delay: 0.6s; }

/* --- Fade In Left --- */
.fade-in-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left--visible {
    opacity: 1;
    transform: translateX(0);
}

/* --- Fade In Right --- */
.fade-in-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right--visible {
    opacity: 1;
    transform: translateX(0);
}

/* --- Scale In --- */
.scale-in {
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scale-in--visible {
    opacity: 1;
    transform: scale(1);
}

/* --- Gold Line Grow --- */
.gold-line-anim {
    width: 0;
    transition: width 0.8s ease;
}

.gold-line-anim--visible {
    width: 60px;
}

/* --- Hero Entrance --- */
.hero__title {
    animation: heroFadeIn 1.2s ease forwards;
    animation-delay: 0.3s;
    opacity: 0;
}

.hero__subtitle {
    animation: heroFadeIn 1.2s ease forwards;
    animation-delay: 0.6s;
    opacity: 0;
}

.hero .btn {
    animation: heroFadeIn 1.2s ease forwards;
    animation-delay: 0.9s;
    opacity: 0;
}

@keyframes heroFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Parallax (controlled via JS) --- */
.parallax {
    will-change: transform;
}

/* --- Portfolio Item Stagger --- */
.portfolio-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.portfolio-item--visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Service Card Hover Glow --- */
.service-card::after {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0;
    background: radial-gradient(circle at 50% 0%, rgba(200, 164, 90, 0.02) 0%, transparent 60%);
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.service-card:hover::after {
    opacity: 1;
}

/* --- Text Reveal (for headings) --- */
.text-reveal {
    overflow: hidden;
}

.text-reveal span {
    display: inline-block;
    transform: translateY(100%);
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.text-reveal--visible span {
    transform: translateY(0);
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .fade-in,
    .fade-in-left,
    .fade-in-right,
    .scale-in,
    .portfolio-item {
        opacity: 1;
        transform: none;
    }

    .hero__title,
    .hero__subtitle,
    .hero .btn {
        opacity: 1;
    }
}