/* Floating section nav. Partial: layouts/partials/floating_nav.html. Script: static/js/floating-nav.js.
   Right-edge vertical rail with a traveling green fill that tracks scroll progress through
   #experience, #projects-timeline, and #projects. Hidden on narrow viewports. */

.fnav {
    position: fixed;
    top: 50%;
    right: 24px;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 40;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.fnav.is-ready {
    opacity: 1;
    pointer-events: auto;
}

.fnav-labels {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: flex-end;
}

.fnav-labels button {
    all: unset;
    cursor: pointer;
    font-family: inherit;
    font-size: 11px;
    font-weight: 500;
    color: #aaa;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    text-align: right;
    transition: color 0.2s ease;
}

.fnav-labels button:hover,
.fnav-labels button:focus-visible {
    color: #555;
}

.fnav-labels button.is-active {
    color: #0dc469;
    font-weight: 600;
}

.fnav-labels button:focus-visible {
    outline: 2px solid #0dc469;
    outline-offset: 4px;
    border-radius: 2px;
}

.fnav-rail {
    position: relative;
    width: 2px;
    background: #e5e5e5;
    border-radius: 2px;
    align-self: stretch;
}

.fnav-fill {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 0;
    background: #0dc469;
    border-radius: 2px;
    transition: height 0.18s ease-out;
}

.fnav-ticks {
    position: absolute;
    inset: 0;
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    pointer-events: none;
}

.fnav-ticks li {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #fff;
    border: 1.5px solid #ccc;
    margin-left: -3px;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.fnav-ticks li.is-passed {
    background: #0dc469;
    border-color: #0dc469;
}

/* Hide on narrow viewports where the rail would overlap content. */
@media (max-width: 1100px) {
    .fnav { display: none; }
}