/* ==========================================================================
   Process Timeline — Serif Editorial (Alternating)
   ========================================================================== */

.process__timeline {
    position: relative;
    max-width: 860px;
    margin: 0 auto;
}

.process__line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background-color: var(--border);
    transform: translateX(-50%);
}

.process__line-fill {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    background: linear-gradient(to bottom, var(--accent), var(--accent-secondary));
    transition: height 1.2s var(--ease-out);
}

.process__step {
    position: relative;
    width: 44%;
    padding-bottom: var(--space-12);
}

.process__step:nth-child(odd) {
    margin-right: auto;
    text-align: right;
    padding-right: var(--space-10);
}

.process__step:nth-child(even) {
    margin-left: auto;
    text-align: left;
    padding-left: var(--space-10);
}

.process__step:last-child {
    padding-bottom: 0;
}

/* Large serif display numbers */
.process__step-number {
    position: absolute;
    top: -4px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: var(--text-body-lg);
    font-weight: 400;
    color: var(--muted-foreground);
    background-color: var(--background);
    border: 1px solid var(--border);
    border-radius: 50%;
    z-index: 1;
    transition: all var(--duration) var(--ease-out);
}

.process__step:nth-child(odd) .process__step-number {
    right: calc(-1 * var(--space-10) - 20px);
}

.process__step:nth-child(even) .process__step-number {
    left: calc(-1 * var(--space-10) - 20px);
}

.process__step.is-visible .process__step-number {
    background-color: var(--accent);
    border-color: var(--accent);
    color: var(--accent-foreground);
}

.process__step-title {
    font-family: var(--font-display);
    font-size: var(--text-title);
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: var(--space-2);
    line-height: 1.3;
}

.process__step-desc {
    font-size: var(--text-body);
    color: var(--muted-foreground);
    line-height: 1.75;
}

.process__step.reveal:nth-child(1) {
    transition-delay: calc(0ms * var(--anim-duration));
}

.process__step.reveal:nth-child(2) {
    transition-delay: calc(120ms * var(--anim-duration));
}

.process__step.reveal:nth-child(3) {
    transition-delay: calc(240ms * var(--anim-duration));
}

.process__step.reveal:nth-child(4) {
    transition-delay: calc(360ms * var(--anim-duration));
}

.process__step.reveal:nth-child(5) {
    transition-delay: calc(480ms * var(--anim-duration));
}

.process__step.reveal:nth-child(6) {
    transition-delay: calc(600ms * var(--anim-duration));
}

@media (max-width: 768px) {
    .process__line {
        left: 20px;
        transform: none;
    }

    .process__step {
        width: 100%;
        text-align: left !important;
        padding-left: 64px !important;
        padding-right: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }

    .process__step-number {
        left: 0 !important;
        right: auto !important;
    }
}