.block-timeline {
    padding: 5rem 1.5rem;
    background: linear-gradient(160deg, #FFF7ED 0%, #FAFAFA 50%, #F0FDF4 100%);
    position: relative;
    overflow: hidden;
}

.block-timeline__bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.block-timeline__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    animation: float 14s ease-in-out infinite;
}

.block-timeline__orb--1 {
    width: 300px;
    height: 300px;
    background: rgba(251, 191, 36, 0.08);
    top: -60px;
    right: -40px;
    animation-delay: -1s;
}

.block-timeline__orb--2 {
    width: 250px;
    height: 250px;
    background: rgba(255, 107, 53, 0.06);
    bottom: -80px;
    left: -60px;
    animation-delay: -4s;
}

.block-timeline__inner {
    position: relative;
    z-index: 1;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}

.block-timeline__title {
    text-align: center;
    font-family: var(--font-display, 'Bricolage Grotesque', system-ui, sans-serif);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 800;
    margin-bottom: 3rem;
    color: var(--color-midnight, #1E1B4B);
    letter-spacing: -0.02em;
}

/* Timeline layout */
.block-timeline__list {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.block-timeline__item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 2rem;
    position: relative;
}

.block-timeline__item:last-child {
    margin-bottom: 0;
}

/* Line segment: from center of this marker to center of the next one */
.block-timeline__item:not(:last-child)::before {
    content: '';
    position: absolute;
    left: 19px; /* center of 40px marker */
    top: 50%;
    height: calc(100% + 2rem); /* item height + margin-bottom gap, so it reaches to center of next */
    width: 3px;
    background: var(--color-primary, #FF6B35);
    z-index: 0;
}

/* Gradient the line color across items */
.block-timeline__item:first-child::before {
    background: var(--color-primary, #FF6B35);
}

.block-timeline__item:nth-child(2)::before {
    background: color-mix(in srgb, var(--color-primary, #FF6B35) 70%, var(--color-secondary, #0D9488));
}

.block-timeline__item:nth-child(3)::before {
    background: color-mix(in srgb, var(--color-primary, #FF6B35) 40%, var(--color-secondary, #0D9488));
}

.block-timeline__item:nth-child(4)::before {
    background: var(--color-secondary, #0D9488);
}

/* Marker */
.block-timeline__marker {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: #fff;
    border: 3px solid var(--color-primary, #FF6B35);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
    flex-shrink: 0;
    z-index: 1;
}

.block-timeline__icon {
    font-size: 1rem;
    line-height: 1;
}

/* Content card */
.block-timeline__content {
    flex: 1;
    background: #fff;
    padding: 1.25rem 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--color-border, #E5E7EB);
    transition: box-shadow 0.2s, transform 0.2s;
    position: relative;
    z-index: 1;
}

.block-timeline__content:hover {
    box-shadow: 0 4px 16px rgba(30, 27, 75, 0.08);
    transform: translateX(4px);
}

.block-timeline__date {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-primary, #FF6B35);
    margin-bottom: 0.125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.block-timeline__name {
    font-family: var(--font-display, 'Bricolage Grotesque', system-ui, sans-serif);
    font-size: 1.0625rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--color-midnight, #1E1B4B);
}

.block-timeline__desc {
    font-size: 0.875rem;
    color: var(--color-text-light, #6B7280);
    line-height: 1.5;
}

/* Active milestone */
.block-timeline__item--active .block-timeline__marker {
    border-color: var(--color-accent, #FBBF24);
    box-shadow: 0 0 0 4px rgba(251, 191, 36, 0.2);
    animation: pulse-ring 2s ease-in-out infinite;
}

.block-timeline__item--active .block-timeline__content {
    border-color: var(--color-primary, #FF6B35);
    box-shadow: 0 4px 16px rgba(255, 107, 53, 0.1);
}

.block-timeline__item--active .block-timeline__date {
    color: var(--color-accent-dark, #D97706);
}

@keyframes pulse-ring {
    0%, 100% { box-shadow: 0 0 0 4px rgba(251, 191, 36, 0.2); }
    50% { box-shadow: 0 0 0 8px rgba(251, 191, 36, 0.1); }
}

.block-timeline__empty {
    text-align: center;
    color: var(--color-text-light, #6B7280);
    font-style: italic;
}

@media (max-width: 640px) {
    .block-timeline__item {
        gap: 1rem;
    }

    .block-timeline__marker {
        width: 36px;
        height: 36px;
        min-width: 36px;
    }

    .block-timeline__item:not(:last-child)::before {
        left: 17px;
    }

    .block-timeline__content {
        padding: 1rem 1.25rem;
    }
}