/* ── History Logo Page ── */

/* Hero */
.history-hero {
    background: linear-gradient(140deg, #f0f4ff 0%, #eaf0ff 60%, #f6f0ff 100%);
    min-height: 360px;
}

#history-hero-canvas {
    top: 0; left: 0;
}

/* ── Timeline item scroll reveal ── */
.timeline-item {
    opacity: 0;
    will-change: opacity, transform;
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.timeline-item.from-left  { transform: translateX(-52px); }
.timeline-item.from-right { transform: translateX(52px); }

.timeline-item.anim-visible {
    opacity: 1;
    transform: none;
}

/* Era badge entrance */
.timeline-card .badge {
    display: inline-block;
    transform: scale(0.75);
    opacity: 0;
    transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1) 0.32s,
                opacity 0.38s ease 0.32s;
}

.timeline-item.anim-visible .timeline-card .badge {
    transform: scale(1);
    opacity: 1;
}

/* ── Timeline dot effects ── */
.timeline-dot {
    position: absolute;
    transition: box-shadow 0.4s ease;
}

/* Ripple ring */
.timeline-dot::after {
    content: '';
    position: absolute;
    inset: -10px;
    border-radius: 50%;
    border: 1.5px solid currentColor;
    opacity: 0;
}

.timeline-dot.dot-active::after {
    animation: dot-ripple 2.8s ease-out infinite;
}

@keyframes dot-ripple {
    0%   { transform: scale(0.75); opacity: 0.55; }
    100% { transform: scale(1.9);  opacity: 0; }
}

.timeline-dot.dot-active {
    animation: dot-breathe 3.5s ease-in-out infinite;
}

@keyframes dot-breathe {
    0%,100% { box-shadow: 0 0 0 0 rgba(13,110,253,0); }
    50%     { box-shadow: 0 0 0 7px rgba(13,110,253,0.13); }
}

/* ── Timeline progress line ── */
#timeline-line-wrap {
    position: absolute;
    top: 0; bottom: 0; left: 50%;
    width: 2px;
    transform: translateX(-50%);
    background: #e2e8f0;
    z-index: 1;
}

#timeline-line-fill {
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 0%;
    background: linear-gradient(180deg, #0d6efd 0%, #6610f2 100%);
    transition: height 0.12s linear;
    border-radius: 1px;
    box-shadow: 0 0 8px rgba(13,110,253,0.35);
}

#timeline-line-glow {
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px; height: 10px;
    border-radius: 50%;
    background: #0d6efd;
    box-shadow: 0 0 14px 5px rgba(13,110,253,0.55);
    z-index: 3;
    transition: top 0.12s linear;
    pointer-events: none;
}

/* ── Logo image + lightbox trigger ── */
.timeline-img-wrap {
    position: relative;
    overflow: hidden;
    border-radius: 0.75rem;
    cursor: zoom-in;
}

.timeline-img-wrap::after {
    content: '\f00e';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    background: rgba(13,110,253,0.0);
    opacity: 0;
    transition: background 0.25s ease, opacity 0.25s ease;
    pointer-events: none;
    border-radius: 0.75rem;
}

.timeline-img-wrap:hover::after {
    background: rgba(13,110,253,0.28);
    opacity: 1;
}

/* Scan line sweeps over image on reveal */
.img-scan-overlay {
    position: absolute;
    left: 0; right: 0;
    height: 2px;
    top: -3px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(13,110,253,0.85) 25%,
        rgba(255,255,255,0.95) 50%,
        rgba(13,110,253,0.85) 75%,
        transparent 100%);
    pointer-events: none;
    opacity: 0;
    box-shadow: 0 0 10px rgba(13,110,253,0.55);
}

.timeline-item.anim-visible .img-scan-overlay {
    animation: scan-sweep 1.15s ease-in 0.18s forwards;
}

@keyframes scan-sweep {
    0%   { top: -3px;             opacity: 1; }
    95%  { top: calc(100% + 3px); opacity: 0.7; }
    100% { top: calc(100% + 3px); opacity: 0; }
}

/* ── Card hover ── */
.timeline-card {
    transition: transform 0.26s ease, box-shadow 0.26s ease;
}

.timeline-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 36px rgba(13,110,253,0.11) !important;
}

/* ── Lightbox ── */
.lb-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(6, 10, 24, 0.88);
    opacity: 0;
    transition: opacity 0.25s ease;
    cursor: zoom-out;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.lb-overlay.lb-open {
    opacity: 1;
}

.lb-inner {
    position: relative;
    max-width: min(90vw, 1000px);
    max-height: 90vh;
    cursor: default;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.lb-img {
    max-width: 100%;
    max-height: 78vh;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 32px 80px rgba(0,0,0,0.55);
    transform: scale(0.92);
    transition: transform 0.28s cubic-bezier(0.22,1,0.36,1);
}

.lb-overlay.lb-open .lb-img {
    transform: scale(1);
}

.lb-caption {
    color: rgba(255,255,255,0.78);
    font-size: 0.88rem;
    letter-spacing: 0.03em;
    text-align: center;
}

.lb-caption strong {
    color: #fff;
}

.lb-close {
    position: absolute;
    top: -44px; right: 0;
    background: none;
    border: none;
    color: rgba(255,255,255,0.6);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 4px 8px;
    line-height: 1;
    transition: color 0.15s;
}

.lb-close:hover { color: #fff; }

/* ── Mobile ── */
@media (max-width: 768px) {
    .timeline-item.from-left,
    .timeline-item.from-right {
        transform: translateY(32px);
    }
    .timeline-item.anim-visible { transform: none; }
    #timeline-line-wrap,
    #timeline-line-glow { display: none; }
}