:root {
    --motion-ease: cubic-bezier(0.21, 0.72, 0.22, 1);
}

.reveal,
.reveal-up,
.reveal-left,
.reveal-right,
.reveal-scale,
.stagger-item {
    opacity: 0;
    transition:
        opacity 760ms var(--motion-ease),
        transform 760ms var(--motion-ease),
        border-color 360ms ease,
        box-shadow 360ms ease;
    transition-delay: var(--reveal-delay, 0ms);
    will-change: opacity, transform;
}

.reveal-up,
.stagger-item {
    transform: translateY(24px);
}

.reveal-left {
    transform: translateX(-22px);
}

.reveal-right {
    transform: translateX(22px);
}

.reveal-scale {
    transform: scale(0.96);
}

.is-visible {
    opacity: 1;
    transform: translate(0, 0) scale(1);
}

.line-reveal,
.architectural-divider {
    position: relative;
}

.line-reveal::after,
.architectural-divider::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.65rem;
    width: 100%;
    height: 1px;
    transform: scaleX(0);
    transform-origin: left;
    background: linear-gradient(90deg, var(--accent), transparent);
    transition: transform 900ms var(--motion-ease);
}

.line-reveal.is-visible::after,
.architectural-divider.is-visible::after {
    transform: scaleX(1);
}

.stagger-group .stagger-item:nth-child(1) { --reveal-delay: 70ms; }
.stagger-group .stagger-item:nth-child(2) { --reveal-delay: 140ms; }
.stagger-group .stagger-item:nth-child(3) { --reveal-delay: 210ms; }
.stagger-group .stagger-item:nth-child(4) { --reveal-delay: 280ms; }
.stagger-group .stagger-item:nth-child(5) { --reveal-delay: 350ms; }
.stagger-group .stagger-item:nth-child(6) { --reveal-delay: 420ms; }
.stagger-group .stagger-item:nth-child(7) { --reveal-delay: 490ms; }
.stagger-group .stagger-item:nth-child(8) { --reveal-delay: 560ms; }

.blueprint-card {
    position: relative;
}

.blueprint-card::before,
.blueprint-card::after {
    content: "";
    position: absolute;
    width: 18px;
    height: 18px;
    border-color: rgba(17, 143, 158, 0.42);
    border-style: solid;
    pointer-events: none;
    opacity: 0;
    transition: opacity 420ms ease, transform 420ms ease;
}

.blueprint-card::before {
    top: 12px;
    left: 12px;
    border-width: 1px 0 0 1px;
    transform: translate(-3px, -3px);
}

.blueprint-card::after {
    right: 12px;
    bottom: 12px;
    border-width: 0 1px 1px 0;
    transform: translate(3px, 3px);
}

.blueprint-card:hover::before,
.blueprint-card:hover::after,
.blueprint-card.is-visible::before,
.blueprint-card.is-visible::after {
    opacity: 1;
    transform: translate(0, 0);
}

.site-body.motion-reduced-default .reveal,
.site-body.motion-reduced-default .reveal-up,
.site-body.motion-reduced-default .reveal-left,
.site-body.motion-reduced-default .reveal-right,
.site-body.motion-reduced-default .reveal-scale,
.site-body.motion-reduced-default .stagger-item,
.site-body.motion-reduced-default .line-reveal::after,
.site-body.motion-reduced-default .architectural-divider::after {
    opacity: 1;
    transform: none;
    transition: none;
}

@media (prefers-reduced-motion: reduce) {
    .reveal,
    .reveal-up,
    .reveal-left,
    .reveal-right,
    .reveal-scale,
    .stagger-item,
    .line-reveal::after,
    .architectural-divider::after {
        opacity: 1;
        transform: none;
        transition: none;
    }
}