/* ============================================================
   ABOUT PAGE — Premium Design System Layout
   ============================================================ */

.about-page {
    --about-section-heading-size: var(--type-section);
    overflow: visible;
}

.about-page :is(section, [id]) {
    scroll-margin-top: 110px;
}

/* ───────────────────────── HERO ───────────────────────── */
.about-hero {
    position: relative;
    padding: clamp(72px, 7vw, 118px) 0 clamp(84px, 9vw, 140px);
    overflow: hidden;
}

.about-hero__grid {
    display: block;
}

.about-hero__copy {
    max-width: 960px;
}

.about-hero h1 {
    max-width: 980px;
    margin: 10px 0 22px;
    padding-block: .14em;
    overflow: visible;
    font-family: var(--display);
    font-size: var(--type-hero);
    font-weight: var(--weight-emphasis);
    letter-spacing: var(--tracking-hero);
    line-height: var(--leading-hero);
    text-wrap: balance;
}

.about-hero h1 span {
    color: var(--accent-text);
}

.about-hero__lead {
    max-width: var(--measure-copy);
    margin: 0 0 36px;
    color: var(--soft-sage);
    font-size: var(--type-body-large);
    line-height: var(--leading-lead);
}

/* ───────────────────────── WHAT WE BELIEVE ───────────────────────── */
.about-statement {
    border-top: 1px solid var(--line);
    padding: clamp(80px, 10vw, 140px) 0;
}

.about-statement .section-header {
    margin-bottom: 0;
}

/* ───────────────────────── VISION & MISSION ───────────────────────── */
.about-direction {
    position: relative;
    padding: clamp(80px, 10vw, 140px) 0;
    border-top: 1px solid var(--line);
    overflow: hidden;
}

.about-direction__title {
    margin: 10px 0 0;
    font-family: var(--display);
    font-size: var(--about-section-heading-size);
    font-weight: var(--weight-heading);
    letter-spacing: var(--tracking-heading);
    line-height: var(--leading-heading);
    text-wrap: balance;
}

.about-direction__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(32px, 5vw, 64px);
    margin-top: clamp(48px, 6vw, 72px);
}

.about-direction__item {
    display: flex;
    flex-direction: column;
}

.about-direction__rule {
    position: relative;
    height: 1px;
    margin-bottom: 24px;
    background: var(--line);
    overflow: hidden;
}

.about-direction__rule span {
    position: absolute;
    inset: 0 auto 0 0;
    width: 18%;
    background: var(--accent-text);
    transform-origin: left;
    transition: width 400ms var(--ease-premium);
}

.about-direction__item:hover .about-direction__rule span {
    width: 45%;
}

.about-direction__label {
    margin: 0 0 var(--space-4);
    color: var(--accent-text);
    font-family: var(--ui);
    font-size: var(--type-label);
    font-weight: var(--weight-emphasis);
    letter-spacing: var(--tracking-eyebrow);
    text-transform: uppercase;
}

.about-direction__copy {
    margin: 0;
    font-family: var(--display);
    font-size: clamp(1.25rem, 1.8vw, 1.65rem);
    font-weight: var(--weight-heading);
    letter-spacing: var(--tracking-panel);
    line-height: var(--leading-panel);
    color: var(--human-parchment);
    text-wrap: pretty;
}

/* ───────────────────────── PRINCIPLES (Why businesses choose Zenxian) ───────────────────────── */
.about-principles {
    padding: clamp(80px, 10vw, 140px) 0;
    border-top: 1px solid var(--line);
    background: transparent;
}

.about-section-head {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: clamp(40px, 5vw, 64px);
}

.about-section-head h2 {
    margin: 0;
    font-family: var(--display);
    font-size: var(--about-section-heading-size);
    font-weight: var(--weight-heading);
    letter-spacing: var(--tracking-heading);
    line-height: var(--leading-heading);
}

.about-principles__list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    padding: 0;
    margin: 0;
    list-style: none;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: color-mix(in srgb, var(--sentient-mint) 2%, var(--deep-space));
}

.about-principles__list li {
    display: flex;
    flex-direction: column;
    min-height: 180px;
    padding: clamp(28px, 3.5vw, 44px) clamp(24px, 3vw, 36px);
    border-right: 1px solid var(--line);
    border-radius: 0;
    background: transparent;
    transition: background-color 180ms var(--ease-premium);
}

.about-principles__list li:last-child {
    border-right: 0;
}

.about-principles__list li:hover {
    background: color-mix(in srgb, var(--sentient-mint) 6%, var(--deep-space));
}

.about-principles__num {
    display: block;
    color: var(--accent-text);
    font-size: var(--type-small);
    font-weight: var(--weight-emphasis);
    font-variant-numeric: tabular-nums;
    margin-bottom: var(--space-3);
}

.about-principles__list h3 {
    margin: 0 0 var(--space-3);
    font-family: var(--display);
    font-size: clamp(1.2rem, 1.8vw, 1.55rem);
    font-weight: 600;
    letter-spacing: var(--tracking-card);
    line-height: 1.25;
    color: var(--human-parchment);
}

.about-principles__list p {
    margin: 0;
    color: var(--soft-sage);
    font-size: var(--type-body);
    line-height: 1.55;
    flex-grow: 1;
}

.about-principles__detail {
    margin-top: var(--space-4) !important;
    color: var(--accent-text) !important;
    font-size: var(--type-small) !important;
    font-weight: var(--weight-emphasis);
}

/* ───────────────────────── JOURNEY ───────────────────────── */
.about-journey {
    padding: clamp(80px, 10vw, 140px) 0;
    border-top: 1px solid var(--line);
}

.about-journey__grid {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(40px, 6vw, 90px);
    align-items: start;
}

.about-journey__header {
    position: sticky;
    top: 130px;
}

.about-journey h2 {
    margin: 10px 0 var(--space-5);
    font-family: var(--display);
    font-size: var(--about-section-heading-size);
    line-height: var(--leading-heading);
    letter-spacing: var(--tracking-heading);
    font-weight: var(--weight-heading);
}

.about-journey__metric {
    display: grid;
    margin: 0;
    padding: 0;
    background: transparent;
    border: none;
    color: var(--soft-sage);
}

.about-journey__metric strong {
    font-family: var(--display);
    font-size: clamp(4.5rem, 8vw, 8rem);
    font-weight: var(--weight-heading);
    line-height: 1;
    letter-spacing: -.06em;
    color: var(--accent-text);
    margin-bottom: var(--space-2);
}

.about-journey__story {
    position: relative;
    border-left: 1px solid var(--line-strong);
    padding-left: clamp(24px, 4vw, 48px);
    display: flex;
    flex-direction: column;
    gap: clamp(44px, 6vw, 72px);
}

.about-journey__story article {
    position: relative;
}

.about-journey__story article::before {
    content: '';
    position: absolute;
    left: calc(-1 * clamp(24px, 4vw, 48px) - 5px);
    top: 8px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--accent-text);
    box-shadow: 0 0 10px var(--accent-text);
}

.about-journey h3 {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 16px;
    align-items: baseline;
    margin: 0 0 var(--space-2);
    color: var(--accent-text);
    font-family: var(--display);
    font-size: var(--type-card);
    font-weight: var(--weight-heading);
}

.about-journey h3 span {
    color: var(--human-parchment);
    font-size: var(--type-body);
    font-weight: var(--weight-emphasis);
}

.about-journey__story p {
    max-width: var(--measure-copy);
    margin: 0;
    color: var(--soft-sage);
    font-size: var(--type-body-large);
    line-height: var(--leading-lead);
}

/* ───────────────────────── OUR WORK ───────────────────────── */
.about-work {
    padding: clamp(80px, 10vw, 140px) 0;
    border-top: 1px solid var(--line);
}

.about-work__categories {
    margin: 0 0 var(--space-6);
}

.about-work__row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    gap: var(--space-4);
    padding: clamp(20px, 3vw, 32px) 0;
    border-top: 1px solid var(--line);
    align-items: baseline;
    transition: background-color 180ms var(--ease-premium);
}

.about-work__row dt {
    font-family: var(--display);
    font-size: var(--type-panel);
    font-weight: var(--weight-heading);
    line-height: var(--leading-panel);
    letter-spacing: var(--tracking-panel);
    color: var(--human-parchment);
}

.about-work__row dd {
    margin: 0;
    color: var(--soft-sage);
    font-size: var(--type-body);
    line-height: 1.6;
}

.about-work__cta {
    margin-top: var(--space-4);
}

/* ───────────────────────── TRANGLE PRODUCT FEATURE ───────────────────────── */
.about-focus {
    padding: clamp(90px, 12vw, 180px) 0;
    border-top: 1px solid var(--line);
}

.about-focus__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.13fr) minmax(300px, .75fr);
    gap: clamp(42px, 8vw, 150px);
    align-items: center;
}

.about-focus__image {
    margin: 0;
    overflow: hidden;
    border-radius: 42px;
    background: var(--living-surface);
}

.about-focus__image img {
    display: block;
    width: 100%;
    aspect-ratio: 1.3;
    object-fit: cover;
    transition: transform 700ms ease;
}

.about-focus__image:hover img {
    transform: scale(1.035);
}

.about-trangle .about-focus__image img {
    aspect-ratio: auto;
    height: auto;
    object-fit: contain;
}

.about-focus h2 {
    margin: 10px 0 20px;
    padding-block: .08em;
    font-family: var(--display);
    font-size: var(--about-section-heading-size);
    font-weight: var(--weight-heading);
    letter-spacing: var(--tracking-heading);
    line-height: var(--leading-heading);
}

.about-focus__copy > p {
    max-width: var(--measure-copy);
    margin: 0;
    color: var(--soft-sage);
    font-size: var(--type-body-large);
    line-height: var(--leading-lead);
}

.about-focus ul {
    display: grid;
    gap: 12px;
    padding: 28px 0 0;
    margin: 28px 0;
    border-top: 1px solid var(--line);
    color: var(--human-parchment);
    list-style: none;
}

.about-focus li::before {
    content: '↗';
    margin-right: 12px;
    color: var(--accent-text);
}

.about-text-link {
    display: inline-flex;
    gap: 10px;
    align-items: center;
    color: var(--accent-text);
    font-weight: var(--weight-emphasis);
    text-decoration: none;
}

.about-text-link:hover {
    text-decoration: underline;
    text-underline-offset: 5px;
}

/* ───────────────────────── CLOSING CONTACT ───────────────────────── */
.about-contact {
    padding: clamp(80px, 10vw, 150px) 0 clamp(90px, 12vw, 170px);
    border-top: 1px solid var(--line);
}

.about-contact__grid {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
    gap: clamp(32px, 5vw, 80px);
}

.about-contact__lead {
    min-width: 0;
}

.about-contact__lead .section-kicker {
    margin-bottom: 12px;
}

.about-contact__title {
    margin: 0;
    padding-block: .08em;
    font-family: var(--display);
    font-size: var(--about-section-heading-size);
    font-weight: var(--weight-heading);
    letter-spacing: var(--tracking-heading);
    line-height: var(--leading-heading);
    color: var(--human-parchment);
    text-wrap: balance;
}

.about-contact__aside {
    min-width: 0;
}

.about-contact__intro {
    margin: 0;
    font-size: clamp(1.25rem, 2.85vw, 2.5rem);
    font-weight: 400;
    line-height: 1.25;
    letter-spacing: -0.025em;
    color: var(--human-parchment);
    max-width: 22ch;
    text-wrap: pretty;
}

.about-contact__action {
    margin-top: clamp(28px, 4vw, 44px);
}

@media (max-width: 820px) {
    .about-contact__grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .about-focus__image img {
        transition: none;
    }
}

/* ───────────────────────── RESPONSIVE BREAKPOINTS ───────────────────────── */
@media (max-width: 1000px) {
    .about-focus__grid,
    .about-journey__grid {
        grid-template-columns: 1fr;
    }

    .about-focus__copy {
        max-width: 620px;
    }

    .about-journey__header {
        position: static;
    }
}

@media (max-width: 760px) {
    .about-direction__grid,
    .about-principles__list,
    .about-work__row {
        grid-template-columns: 1fr;
    }

    .about-principles__list li {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .about-principles__list li:last-child {
        border-bottom: 0;
    }

    .about-work__row {
        gap: 8px;
    }

    .about-hero {
        padding-top: 60px;
    }
}

@media (max-width: 520px) {
    .about-contact {
        padding-right: 0;
        padding-left: 0;
    }
    .about-contact__inner {
        border-radius: 0;
    }
}