/* About page: compact editorial layout with forest-green navigation cues. */
.atco-story {
    --story-ink: #20332e;
    --story-copy: #465852;
    --story-muted: #667871;
    --story-green: #17684f;
    --story-green-dark: #104b3b;
    --story-mint: #e8f1eb;
    --story-paper: #f8f7f1;
    --story-rule: #d7e0d9;
    --story-sticky-offset: 16rem;
    overflow-wrap: anywhere;
    color: var(--story-ink);
    background: var(--story-paper);
}
.atco-story *,
.atco-story *::before,
.atco-story *::after { box-sizing: border-box; }
.atco-story .story-shell {
    width: min(calc(100% - 40px), 1080px);
    margin-inline: auto;
}
.atco-story h1,
.atco-story h2,
.atco-story h3,
.atco-story p { margin-top: 0; }
.atco-story h1,
.atco-story h2,
.atco-story h3 {
    color: var(--story-ink);
    font-family: "Poppins", Georgia, serif;
}
.atco-story .story-intro {
    padding: clamp(32px, 5vw, 52px) 0 clamp(28px, 4vw, 40px);
    background:
        radial-gradient(ellipse at 90% 0%, rgba(194, 218, 199, .48), transparent 38%),
        var(--story-paper);
    border-bottom: 1px solid var(--story-rule);
}
.atco-story .story-intro .story-shell { max-width: 860px; }
.atco-story .story-eyebrow {
    margin-bottom: 12px;
    color: var(--story-green);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .13em;
    line-height: 1.5;
    text-transform: uppercase;
}
.atco-story .story-intro h1 {
    margin-bottom: 14px;
    font-size: clamp(2rem, 5vw, 3.1rem);
    font-weight: 650;
    letter-spacing: -.045em;
    line-height: 1.08;
}
.atco-story .story-intro p:last-child {
    max-width: 640px;
    margin-bottom: 0;
    color: var(--story-copy);
    font-size: clamp(16px, 2vw, 18px);
    line-height: 1.7;
}
.atco-story .story-section-nav {
    border-bottom: 1px solid var(--story-rule);
    background: var(--story-paper);
}
.atco-story .story-section-nav .story-shell {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 8px;
    padding-block: 9px;
}
.atco-story .story-section-nav a {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    padding: 8px 13px;
    border: 1px solid transparent;
    border-radius: 3px;
    color: var(--story-copy);
    font-size: 14px;
    font-weight: 650;
    line-height: 1.25;
    text-decoration: none;
}
.atco-story .story-section-nav a:hover,
.atco-story .story-section-nav a[aria-current="location"] {
    border-color: var(--story-rule);
    background: var(--story-mint);
    color: var(--story-green-dark);
}
.atco-story a:focus-visible,
.atco-story .story-framework-scroll:focus-visible {
    outline: 3px solid #5a9879;
    outline-offset: 3px;
}
.atco-story .story-section {
    padding: clamp(28px, 4vw, 44px) 0;
    scroll-margin-top: calc(var(--story-sticky-offset, 7rem) + 1rem);
}
.atco-story .story-section-heading {
    max-width: 800px;
    margin-bottom: 20px;
}
.atco-story .story-section-heading .story-eyebrow { margin-bottom: 9px; }
.atco-story .story-section-heading h2,
.atco-story .story-community-copy h2 {
    margin-bottom: 0;
    font-size: clamp(1.55rem, 3.4vw, 2.3rem);
    font-weight: 650;
    letter-spacing: -.035em;
    line-height: 1.22;
}
.atco-story .story-values {
    padding-block: clamp(22px, 3vw, 32px);
    background: #f4f4ed;
}
.atco-story .story-values .story-section-heading {
    margin-bottom: 14px;
}
.atco-story .story-values .story-section-heading .story-eyebrow {
    margin-bottom: 6px;
}
.atco-story .story-values .story-section-heading h2 {
    font-size: clamp(1.35rem, 2.8vw, 1.8rem);
    letter-spacing: -.025em;
}
.atco-story .story-mission {
    display: block;
    align-items: start;
    max-width: 800px;
    padding: 12px 0;
    border-top: 1px solid var(--story-rule);
    border-bottom: 1px solid var(--story-rule);
}
.atco-story .story-mission h3,
.atco-story .story-values-list h3,
.atco-story .story-team-note h3,
.atco-story .story-timeline h3,
.atco-story .story-process-steps h3 {
    margin-bottom: 5px;
    font-size: 16px;
    font-weight: 650;
    line-height: 1.4;
}
.atco-story .story-mission p,
.atco-story .story-values-list p,
.atco-story .story-team-note p,
.atco-story .story-timeline p,
.atco-story .story-process-steps p {
    margin-bottom: 0;
    color: var(--story-copy);
    font-size: 15px;
    line-height: 1.65;
}
.atco-story .story-mission p { max-width: 700px; font-size: 15px; }
.atco-story .story-values-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 26px;
    margin: 18px 0 0;
    padding: 0;
    list-style: none;
}
.atco-story .story-values-list li {
    display: grid;
    grid-template-columns: 10px minmax(0, 1fr);
    gap: 13px;
    align-items: start;
}
.atco-story .story-value-mark {
    width: 8px;
    height: 8px;
    margin-top: 7px;
    border-radius: 50%;
    background: var(--story-green);
}
.atco-story .story-history { background: var(--story-mint); }
.atco-story .story-timeline {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 54px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.atco-story .story-timeline::before {
    position: absolute;
    top: 6px;
    bottom: 8px;
    left: 108px;
    width: 1px;
    background: #b8cbbd;
    content: "";
}
.atco-story .story-timeline li {
    position: relative;
    display: grid;
    grid-template-columns: 86px minmax(0, 1fr);
    gap: 24px;
    min-height: 80px;
    padding: 0 0 16px;
}
.atco-story .story-year {
    padding-top: 2px;
    color: var(--story-green-dark);
    font: 700 13px/1.5 "Poppins", Georgia, serif;
}
.atco-story .story-timeline li > div { position: relative; }
.atco-story .story-timeline li > div::before {
    position: absolute;
    top: 6px;
    left: -32px;
    width: 9px;
    height: 9px;
    border: 2px solid var(--story-mint);
    border-radius: 50%;
    background: var(--story-green);
    box-shadow: 0 0 0 1px var(--story-green);
    content: "";
}
.atco-story .story-team-note {
    display: grid;
    grid-template-columns: 3px minmax(0, 1fr);
    gap: 18px;
    max-width: 700px;
    margin: 12px 0 0 110px;
    padding-top: 24px;
}
.atco-story .story-team-rule { background: var(--story-green); }
.atco-story .story-process { background: #fdfcf7; }
.atco-story .story-process-heading { margin-bottom: 26px; }
.atco-story .story-process-heading > p:last-child {
    max-width: 620px;
    margin: 12px 0 0;
    color: var(--story-copy);
    font-size: 16px;
    line-height: 1.65;
}
.atco-story .story-framework {
    margin: 0;
    padding: clamp(12px, 3vw, 28px);
    border: 1px solid var(--story-rule);
    border-radius: 8px;
    background: #fff;
}
.atco-story .story-framework-scroll { overflow-x: auto; }
.atco-story .story-framework img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 580px;
    object-fit: contain;
    object-position: center;
}
.atco-story .story-framework figcaption {
    margin-top: 10px;
    color: var(--story-muted);
    font-size: 13px;
    line-height: 1.5;
    text-align: center;
}
.atco-story .story-diagram-hint { display: none; }
.atco-story .story-process-steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
    margin: 28px 0 0;
    padding: 0;
    list-style: none;
}
.atco-story .story-process-steps li {
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 11px;
    align-items: start;
}
.atco-story .story-process-steps li > div { grid-column: 2; }
.atco-story .story-process-steps .process-select {
    display: grid;
    width: 44px !important;
    min-width: 44px;
    max-width: 44px;
    height: 44px;
    min-height: 44px;
    margin: 0;
    padding: 0;
    place-items: center;
    border: 1px solid transparent;
    border-radius: 50%;
    background: transparent;
    box-shadow: none;
    color: var(--story-ink);
    cursor: pointer;
    font: inherit;
    line-height: 1;
    appearance: none;
}
.atco-story .story-process-steps .process-select[hidden] { display: none !important; }
.atco-story .story-process-steps .process-select:hover,
.atco-story .story-process-steps .process-select[aria-pressed="true"] {
    border-color: var(--story-green);
    background: var(--story-mint);
}
.atco-story .story-process-steps .process-select:focus-visible {
    outline: 3px solid #5a9879;
    outline-offset: 3px;
}
.atco-story .story-process-steps p[hidden] { display: none !important; }
.atco-story .process-letter {
    display: grid;
    width: 32px;
    height: 32px;
    place-items: center;
    border-radius: 50%;
    background: var(--story-green);
    color: #fff;
    font: 700 15px/1 "Poppins", Georgia, serif;
}
.atco-story .story-process-steps li:nth-child(1) .process-letter { background: #226c9d; }
.atco-story .story-process-steps li:nth-child(2) .process-letter { background: #218894; }
.atco-story .story-process-steps li:nth-child(3) .process-letter { background: #17684f; }
.atco-story .story-process-steps li:nth-child(4) .process-letter { background: #568d37; }
.atco-story .story-process-steps .process-select[aria-pressed="true"] .process-letter {
    box-shadow: 0 0 0 2px var(--story-paper), 0 0 0 4px var(--story-green);
}
.atco-story .story-process-steps li.is-selected h3 { color: var(--story-green-dark); }
.atco-story .story-community {
    background: #e5eee7;
    border-top: 1px solid #d6e2d8;
}
.atco-story .story-community-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: center;
}
.atco-story .story-community-copy { max-width: 670px; }
.atco-story .story-community-copy .story-eyebrow { margin-bottom: 9px; }
.atco-story .story-community-copy > p:not(.story-eyebrow) {
    max-width: 610px;
    margin: 18px 0 0;
    color: var(--story-copy);
    font-size: 16px;
    line-height: 1.7;
}
.atco-story .story-framework-scroll:focus-visible { outline-offset: -3px; }
[data-theme="dark"] .atco-story {
    --story-ink: #e7eee9;
    --story-copy: #c3d0c8;
    --story-muted: #afc0b5;
    --story-green: #75ba91;
    --story-green-dark: #9bd1ac;
    --story-mint: #1b3026;
    --story-paper: #17231d;
    --story-rule: #334b3c;
}
[data-theme="dark"] .atco-story .story-values,
[data-theme="dark"] .atco-story .story-process { background: #1a2921; }
[data-theme="dark"] .atco-story .story-framework { background: #f7f7f3; }
[data-theme="dark"] .atco-story .story-framework figcaption { color: #465852; }
[data-theme="dark"] .atco-story .story-community { background: #20372b; border-color: #334b3c; }
[data-theme="dark"] .atco-story .story-section-nav a[aria-current="location"],
[data-theme="dark"] .atco-story .story-section-nav a:hover { color: #e7eee9; }
@media (min-width: 761px) and (max-width: 1024px) {
    .atco-story .story-process-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
    .atco-story .story-shell { width: min(calc(100% - 32px), 620px); }
    .atco-story .story-section-nav .story-shell { gap: 2px; }
    .atco-story .story-section-nav a { padding-inline: 9px; font-size: 13px; }
    .atco-story .story-values-list { grid-template-columns: 1fr; gap: 20px; }
    .atco-story .story-timeline { grid-template-columns: 1fr; gap: 0; }
    .atco-story .story-timeline::before { left: 92px; }
    .atco-story .story-timeline li { grid-template-columns: 70px minmax(0, 1fr); gap: 42px; min-height: 0; padding-bottom: 24px; }
    .atco-story .story-timeline li > div::before { left: -27px; }
    .atco-story .story-team-note { margin-left: 112px; }
    .atco-story .story-process-steps { grid-template-columns: 1fr 1fr; gap: 24px 18px; }
    .atco-story .story-framework-scroll img { min-width: 760px; max-width: none; }
    .atco-story .story-diagram-hint { display: inline; }
}
@media (max-width: 420px) {
    .atco-story .story-shell { width: calc(100% - 30px); }
    .atco-story .story-timeline::before { left: 80px; }
    .atco-story .story-timeline li { grid-template-columns: 62px minmax(0, 1fr); gap: 36px; }
    .atco-story .story-timeline li > div::before { left: -23px; }
    .atco-story .story-team-note { margin-left: 98px; }
    .atco-story .story-process-steps { grid-template-columns: 1fr; gap: 18px; }
}
@media (prefers-reduced-motion: reduce) {
    .atco-story *,
    .atco-story *::before,
    .atco-story *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}
