/*
 * Home-page-only styles.
 * The fl-home- prefix prevents these rules from changing Research or Publications.
 */

.fl-home-container {
    width: min(calc(100% - 40px), var(--content-width, 1180px));
    margin-inline: auto;
}

.fl-home-hero {
    background:
        radial-gradient(circle at 82% 15%, rgba(139, 30, 63, 0.10), transparent 30%),
        #ffffff;
}

.fl-home-hero__inner {
    min-height: clamp(500px, 62vh, 620px);
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.78fr);
    gap: clamp(64px, 8vw, 132px);
    align-items: center;
    padding-block: clamp(62px, 7.5vw, 108px);
}

.fl-home-hero__copy {
    min-width: 0;
}

.fl-home-hero__names {
    display: flex;
    flex-direction: column;
    gap: clamp(14px, 1.4vw, 24px);
}

.fl-home-hero__name {
    margin: 0;
    font-size: clamp(4rem, 5vw, 4.75rem);
    font-weight: 760;
    line-height: 0.92;
    letter-spacing: -0.055em;
    color: var(--color-text, #202124);
}

.fl-home-hero__name--zh {
    color: var(--color-primary, #961d45);
    letter-spacing: -0.025em;
}

.fl-home-hero__role {
    margin: clamp(30px, 3vw, 44px) 0 0;
    max-width: 760px;
    font-size: clamp(1.15rem, 1.55vw, 1.45rem);
    font-weight: 500;
    line-height: 1.55;
    color: var(--color-muted, #5f6670);
}

.fl-home-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 38px;
}

.fl-home-button {
    min-height: 58px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 28px;
    border: 1px solid var(--color-border, #dedfe2);
    border-radius: 999px;
    font-size: 1.05rem;
    font-weight: 700;
    text-decoration: none;
    transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.fl-home-button:hover {
    transform: translateY(-2px);
}

.fl-home-button:focus-visible,
.fl-home-research-card__link:focus-visible {
    outline: 3px solid rgba(150, 29, 69, 0.28);
    outline-offset: 4px;
}

.fl-home-button--primary {
    border-color: var(--color-primary, #961d45);
    background: var(--color-primary, #961d45);
    color: #ffffff;
}

.fl-home-button--secondary {
    background: #ffffff;
    color: var(--color-text, #202124);
}

.fl-home-tag-panel {
    width: 100%;
    max-width: 500px;
    justify-self: end;
    padding: clamp(34px, 4vw, 52px);
    border: 1px solid var(--color-border, #dedfe2);
    border-radius: 28px;
    background: var(--color-surface, #f6f7f8);
}

.fl-home-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.fl-home-tag {
    display: inline-flex;
    align-items: center;
    min-height: 52px;
    padding: 10px 20px;
    border: 1px solid var(--color-border, #dedfe2);
    border-radius: 999px;
    background: #ffffff;
    color: var(--color-primary-dark, #6d1835);
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.25;
}

.fl-home-about {
    padding-block: clamp(58px, 6.5vw, 96px);
    background: var(--color-surface, #f6f7f8);
}

.fl-home-about__grid {
    display: grid;
    grid-template-columns: minmax(300px, 430px) minmax(0, 1fr);
    gap: clamp(70px, 8vw, 138px);
    align-items: center;
}

.fl-home-profile {
    min-width: 0;
}

.fl-home-profile__image-frame {
    width: 100%;
    overflow: hidden;
    border-radius: 24px;
    background: #eceff1;
}

.fl-home-profile__image {
    display: block;
    width: 100%;
    height: auto;
    max-height: 720px;
    object-fit: contain;
    object-position: center;
}

.fl-home-profile__placeholder {
    min-height: 520px;
    display: grid;
    place-items: center;
    color: var(--color-muted, #5f6670);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.fl-home-profile__identity {
    margin-top: 28px;
}

.fl-home-profile__name,
.fl-home-profile__name-zh {
    margin: 0;
    font-size: clamp(1.9rem, 2.4vw, 2.35rem);
    font-weight: 740;
    line-height: 1.08;
}

.fl-home-profile__name {
    color: var(--color-text, #202124);
}

.fl-home-profile__name-zh {
    margin-top: 12px;
    color: var(--color-primary, #961d45);
}

.fl-home-profile__role {
    margin: 20px 0 0;
    font-size: 1rem;
    line-height: 1.65;
    color: var(--color-muted, #5f6670);
}

.fl-home-section-title {
    margin: 0;
    font-size: clamp(2.5rem, 3.8vw, 3.25rem);
    font-weight: 760;
    line-height: 0.98;
    letter-spacing: -0.05em;
    color: var(--color-text, #202124);
}

.fl-home-about__text {
    max-width: 880px;
    margin: 0;
    font-size: clamp(1.12rem, 1.55vw, 1.42rem);
    line-height: 1.9;
    color: var(--color-muted, #5f6670);
}

.fl-home-about__text:first-of-type {
    margin-top: 30px;
}

.fl-home-about__text + .fl-home-about__text {
    margin-top: 22px;
}

.fl-home-research {
    padding-block: clamp(60px, 7vw, 104px);
    background: #ffffff;
}

.fl-home-research__header {
    margin-bottom: clamp(32px, 3.8vw, 52px);
}

.fl-home-research__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
}

.fl-home-research-card {
    min-height: 340px;
    display: flex;
    flex-direction: column;
    padding: clamp(30px, 3vw, 46px);
    border: 1px solid var(--color-border, #dedfe2);
    border-radius: 26px;
    background: #ffffff;
}

.fl-home-research-card__number {
    margin: 0;
    color: var(--color-primary, #961d45);
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.fl-home-research-card__title {
    margin: 62px 0 0;
    font-size: clamp(1.55rem, 2vw, 2rem);
    line-height: 1.22;
    color: var(--color-text, #202124);
}

.fl-home-research-card__description {
    margin: 24px 0 0;
    font-size: 1.08rem;
    line-height: 1.72;
    color: var(--color-muted, #5f6670);
}

.fl-home-research-card__link {
    margin-top: auto;
    padding-top: 38px;
    color: var(--color-primary, #961d45);
    font-size: 1.08rem;
    font-weight: 760;
    text-decoration: none;
}

@media (max-width: 1040px) {
    .fl-home-hero__inner {
        grid-template-columns: minmax(0, 1fr) minmax(320px, 0.75fr);
        gap: 52px;
    }

    .fl-home-about__grid {
        gap: 64px;
    }

    .fl-home-research__grid {
        grid-template-columns: 1fr;
    }

    .fl-home-research-card {
        min-height: auto;
    }

    .fl-home-research-card__title {
        margin-top: 42px;
    }
}

@media (max-width: 820px) {
    .fl-home-container {
        width: min(calc(100% - 40px), var(--content-width, 1180px));
    }

    .fl-home-hero__inner {
        min-height: auto;
        grid-template-columns: 1fr;
        gap: 46px;
        padding-block: 56px;
    }

    .fl-home-hero__name {
        font-size: clamp(3.15rem, 15vw, 4.8rem);
    }

    .fl-home-tag-panel {
        max-width: none;
        justify-self: stretch;
    }

    .fl-home-about__grid {
        grid-template-columns: 1fr;
        gap: 54px;
    }

    .fl-home-profile {
        max-width: 430px;
    }

    .fl-home-section-title {
        font-size: clamp(2.5rem, 10vw, 3.25rem);
    }
}

@media (max-width: 520px) {
    .fl-home-container {
        width: min(calc(100% - 28px), var(--content-width, 1180px));
    }

    .fl-home-hero__inner {
        padding-block: 44px 52px;
    }

    .fl-home-hero__names {
        gap: 12px;
    }

    .fl-home-hero__name {
        font-size: clamp(2.85rem, 16vw, 4rem);
    }

    .fl-home-hero__role {
        margin-top: 26px;
        font-size: 1.05rem;
    }

    .fl-home-actions {
        margin-top: 30px;
    }

    .fl-home-button {
        width: 100%;
    }

    .fl-home-tag-panel {
        padding: 24px;
        border-radius: 22px;
    }

    .fl-home-tag {
        min-height: 46px;
        font-size: 0.93rem;
    }

    .fl-home-about,
    .fl-home-research {
        padding-block: 52px;
    }

    .fl-home-profile__placeholder {
        min-height: 400px;
    }

    .fl-home-about__text {
        font-size: 1.08rem;
        line-height: 1.78;
    }

    .fl-home-research-card {
        padding: 28px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .fl-home-button {
        transition: none;
    }
}