/* ==========================================================
   Scroll Animations — "Assembling" Reveal Effect
   ========================================================== */

.animate-on-scroll {
    opacity: 0;
    transform: translateY(12px);
    transition:
        opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: opacity, transform;
}

.animate-on-scroll.fade-up {
    transform: translateY(12px);
}

.animate-on-scroll.fade-left {
    transform: translate(-12px, 6px);
}

.animate-on-scroll.fade-right {
    transform: translate(12px, 6px);
}

.animate-on-scroll.fade-in {
    transform: translateY(0);
}

/* Visible state — slides into place */
.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0) translateX(0);
}

/* Stagger delays for grouped elements — the "assembly" feel */
.animate-on-scroll[data-delay="1"] { transition-delay: 0.1s; }
.animate-on-scroll[data-delay="2"] { transition-delay: 0.2s; }
.animate-on-scroll[data-delay="3"] { transition-delay: 0.3s; }
.animate-on-scroll[data-delay="4"] { transition-delay: 0.4s; }
.animate-on-scroll[data-delay="5"] { transition-delay: 0.5s; }
.animate-on-scroll[data-delay="6"] { transition-delay: 0.6s; }

/* ---- Partner card reveal ---- */
.partner-card.animate-on-scroll {
    transition:
        opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 0.3s ease,
        box-shadow 0.3s ease,
        border-color 0.3s ease;
}

.partner-card:nth-child(3n+1) { transition-delay: 0.03s; }
.partner-card:nth-child(3n+2) { transition-delay: 0.08s; }
.partner-card:nth-child(3n+3) { transition-delay: 0.13s; }

/* ---- Service card reveal ----
   Each card fades in individually with stagger */
.service-card {
    opacity: 0;
    transform: translateY(12px);
    transition:
        opacity 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        box-shadow 0.3s ease;
    will-change: opacity, transform;
}

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

/* Stagger each card */
.service-card:nth-child(1) { transition-delay: 0.03s; }
.service-card:nth-child(2) { transition-delay: 0.08s; }
.service-card:nth-child(3) { transition-delay: 0.13s; }
.service-card:nth-child(4) { transition-delay: 0.18s; }
.service-card:nth-child(5) { transition-delay: 0.23s; }
.service-card:nth-child(6) { transition-delay: 0.28s; }

/* ---- Blog card reveal ---- */
.blog-card {
    opacity: 0;
    transform: translateY(12px);
    transition:
        opacity 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        box-shadow 0.3s ease;
    will-change: opacity, transform;
}

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

.blog-card:nth-child(1) { transition-delay: 0.03s; }
.blog-card:nth-child(2) { transition-delay: 0.10s; }
.blog-card:nth-child(3) { transition-delay: 0.17s; }