/* Growth and Impact Timeline Section */

.timeline-section {
    position: relative;
    padding: var(--space-16) 0;
    overflow: hidden;
    width: 100%;
    box-sizing: border-box;
}

.timeline-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--space-8);
    box-sizing: border-box;
    position: relative;
    z-index: 1;
}

.timeline-section .heading-section {
    margin-bottom: var(--space-16);
}

/* Two-column layout */
.timeline-body {
    display: grid;
    grid-template-columns: 32% 1fr;
    gap: var(--gap-xl);
    align-items: start;
}

/* LEFT SIDEBAR */
.timeline-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.timeline-card {
    display: grid;
    grid-template-columns: 28px 1fr;
    gap: var(--space-3);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    transition: transform var(--transition-base) ease, border-color var(--transition-base) ease;
    cursor: default;
}

.timeline-card-icon {
    width: 28px;
    height: 28px;
    opacity: 0.75;
    flex-shrink: 0;
}

.timeline-card-icon svg {
    width: 100%;
    height: 100%;
    stroke: var(--color-primary);
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.timeline-card-content {
    display: flex;
    flex-direction: column;
}

.timeline-card-title {
    font-size: var(--fs-md);
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 var(--space-3);
    letter-spacing: -0.01em;
}

.timeline-card-text {
    font-size: var(--fs-base);
    color: var(--color-text-light);
    line-height: 1.6;
    margin: 0 0 var(--space-5);
}

.timeline-card-cta {
    display: inline-block;
    font-size: var(--fs-xs);
    font-weight: 700;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--color-primary);
    text-decoration: none;
    transition: opacity var(--transition-fast) ease;
}

.timeline-card-cta:hover {
    opacity: 0.75;
}

/* RIGHT TIMELINE COLUMN */
.timeline-column {
    position: relative;
    padding-left: var(--space-12);
}

.timeline-line {
    position: absolute;
    left: 11px;
    top: var(--space-2);
    bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, var(--color-border) 0%, transparent 100%);
}

/* Timeline entries */
.timeline-entries {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.timeline-entry {
    position: relative;
    transition: opacity var(--transition-slow) ease-out, transform var(--transition-slow) ease-out;
}

/* Only hide entries when JS is present — no-JS shows them immediately */
.js-timeline .timeline-entry {
    opacity: 0;
    transform: translateY(var(--space-6));
}

.js-timeline .timeline-entry.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Node on the line */
.timeline-node {
    position: absolute;
    left: calc(-1 * var(--space-12));
    top: var(--space-1);
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.timeline-node-outer {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1.5px solid var(--color-primary);
    opacity: 0.4;
    animation: node-pulse 3s ease-in-out infinite;
}

.timeline-node-inner {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-primary);
    box-shadow: 0 0 10px 3px rgba(var(--color-primary-rgb, 30, 100, 210), 0.3);
    position: relative;
    z-index: 1;
}

@keyframes node-pulse {
    0%, 100% { box-shadow: 0 0 0 0 transparent; opacity: 0.4; }
    50%       { box-shadow: 0 0 0 6px rgba(var(--color-primary-rgb, 30, 100, 210), 0.12); opacity: 0.7; }
}

/* Date badge */
.timeline-date {
    display: inline-block;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    padding: var(--space-1) var(--space-4);
    font-size: var(--fs-xs);
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-bottom: var(--space-3);
}

.timeline-event {
    font-size: var(--fs-base);
    font-weight: 400;
    color: var(--color-text);
    line-height: 1.6;
    max-width: 580px;
    margin: 0;
}

/* Last entry: only the description text fades — date badge and node stay crisp */
.timeline-entry--fading .timeline-event {
    -webkit-mask-image: linear-gradient(to bottom, black 0%, black 25%, transparent 100%);
    mask-image: linear-gradient(to bottom, black 0%, black 25%, transparent 100%);
}

/* CTA entry — node + link, dissolves into nothing below the text */
.timeline-entry--cta .timeline-node-outer {
    animation: none;
    opacity: 0.25;
}

.timeline-entry--cta .timeline-node-inner {
    box-shadow: none;
    background: var(--color-primary);
    opacity: 0.5;
}

.timeline-entry--cta {
    -webkit-mask-image: linear-gradient(to bottom, black 0%, black 70%, transparent 100%);
    mask-image: linear-gradient(to bottom, black 0%, black 70%, transparent 100%);
    padding-bottom: var(--space-8);
}

.timeline-cta-link {
    font-size: var(--fs-xs);
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-light);
    text-decoration: none;
    transition: color var(--transition-fast) ease;
    position: relative;
}

.timeline-cta-link::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-primary);
    transition: width var(--transition-base) ease;
}

.timeline-cta-link:hover {
    color: var(--color-primary);
}

.timeline-cta-link:hover::after {
    width: 100%;
}

/* Staggered reveal delays */
.timeline-entry:nth-child(1) { transition-delay: 0ms; }
.timeline-entry:nth-child(2) { transition-delay: 100ms; }
.timeline-entry:nth-child(3) { transition-delay: 200ms; }
.timeline-entry:nth-child(4) { transition-delay: 300ms; }
.timeline-entry:nth-child(5) { transition-delay: 400ms; }

/* Responsive */
@media (max-width: 900px) {
    .timeline-body {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

    .timeline-section {
        padding: var(--space-14) 0;
    }

    .timeline-section .heading-section {
        margin-bottom: var(--space-12);
    }
}

@media (max-width: 640px) {
    .timeline-inner {
        padding: 0 var(--space-4);
    }

    .timeline-section {
        padding: var(--space-12) 0;
    }

    .timeline-card {
        padding: var(--space-6);
    }

    .timeline-column {
        padding-left: var(--space-10);
    }

    .timeline-node {
        left: calc(-1 * var(--space-10));
    }

    .timeline-bottom-cta {
        padding-left: var(--space-10);
    }
}