/* lib/styles/pages/adr_hub_page.css */

.adr-hub-page {
    display: flex;
    flex-direction: column;
    background-color: var(--color-paper-white);
}

.adr-hub-page__section {
    padding: var(--space-3xl) 0;
    position: relative;
    overflow-x: clip;
}

.adr-hub-page__section-header {
    max-width: 840px;
    margin: 0 auto;
    text-align: center;
}

.adr-hub-page__section-title {
    margin: 0 0 var(--space-md) 0;
}

.adr-hub-page__section-subtitle {
    margin: 0 auto;
    max-width: 760px;
    color: var(--color-neutral-navy);
    font-size: var(--fs-h4);
    line-height: var(--lh-heading-3);
}

.adr-hub-page__philosophy {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.75) 0%, rgba(247, 247, 245, 1) 100%);
}

.adr-hub-page__philosophy .adr-hub-page__section-title {
    position: relative;
    display: inline-block;
    padding-bottom: var(--space-md);
    margin-bottom: var(--space-lg);
    color: var(--color-justice-blue);
}

.adr-hub-page__philosophy .adr-hub-page__section-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 64px;
    height: 3px;
    background-color: var(--color-support-gold);
    border-radius: var(--radius-full);
}

.adr-hub-page__philosophy .adr-hub-page__section-subtitle {
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--color-neutral-navy);
    max-width: 760px;
    margin: 0 auto;
    opacity: 0.92;
}

.adr-hub-page__modes {
    background:
        radial-gradient(circle at top center, rgba(29, 118, 112, 0.04) 0%, rgba(29, 118, 112, 0) 32%),
        var(--color-paper-white);
    padding: var(--space-3xl) 0;
}

.adr-hub-page__accordion-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    max-width: 960px;
    margin: 0 auto;
}

.adr-hub-page__mode-card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 1) 0%, rgba(252, 252, 251, 1) 100%);
    border: 1px solid rgba(16, 32, 48, 0.08);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(16, 32, 48, 0.05);
    overflow: hidden;
    transition:
        box-shadow var(--transition-normal),
        border-color var(--transition-normal);
}

.adr-hub-page__mode-card:hover {
    border-color: rgba(29, 118, 112, 0.16);
    box-shadow: 0 16px 40px rgba(16, 32, 48, 0.08);
}

.adr-hub-page__mode-card--expanded {
    border-color: rgba(241, 178, 70, 0.55);
    box-shadow: 0 18px 44px rgba(16, 32, 48, 0.10);
}

.adr-hub-page__accordion-trigger {
    display: flex;
    width: 100%;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2xl);
    gap: var(--space-lg);
    transition: background-color var(--transition-fast);
}

.adr-hub-page__accordion-trigger:hover {
    background-color: rgba(29, 118, 112, 0.02);
}

.adr-hub-page__accordion-trigger:focus-visible {
    outline: var(--focus-outline);
    outline-offset: -2px;
}

.adr-hub-page__accordion-trigger-text {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

.adr-hub-page__eyebrow {
    display: inline-block;
    margin-bottom: var(--space-sm);
    font-family: var(--font-body);
    font-size: var(--fs-small);
    font-weight: var(--fw-bold);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-guidance-teal);
}

.adr-hub-page__mode-title {
    margin: 0;
    color: var(--color-justice-blue);
    font-size: clamp(1.375rem, 2vw, 1.625rem);
    line-height: 1.2;
    transition: color var(--transition-fast);
}

.adr-hub-page__mode-card--expanded .adr-hub-page__mode-title {
    color: var(--color-guidance-teal);
}

.adr-hub-page__mode-preview {
    margin: var(--space-sm) 0 0 0;
    max-width: 690px;
    color: rgba(16, 32, 48, 0.72);
    font-size: 1rem;
    line-height: 1.65;
    opacity: 1;
    max-height: 200px;
    overflow: hidden;
    transition:
        opacity 150ms ease,
        max-height 150ms ease,
        margin 150ms ease;
}

.adr-hub-page__mode-preview--hidden {
    opacity: 0;
    max-height: 0;
    margin-top: 0;
}

.adr-hub-page__chevron-wrapper {
    transition:
        transform var(--transition-normal),
        background-color var(--transition-normal),
        box-shadow var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-left: var(--space-md);
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background-color: rgba(29, 118, 112, 0.06);
    box-shadow: inset 0 0 0 1px rgba(29, 118, 112, 0.08);
}

.adr-hub-page__mode-card--expanded .adr-hub-page__chevron-wrapper {
    transform: rotate(180deg);
    background-color: rgba(29, 118, 112, 0.10);
    box-shadow: inset 0 0 0 1px rgba(29, 118, 112, 0.14);
}

/* Critical scroll/paint fix: keep content mounted at all times */
.adr-hub-page__accordion-content-wrapper {
    display: block;
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transition:
        max-height 260ms ease,
        opacity 180ms ease,
        visibility 0ms linear 260ms;
    will-change: max-height, opacity;
}

.adr-hub-page__accordion-content-wrapper--open {
    max-height: 1200px;
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transition:
        max-height 320ms ease,
        opacity 220ms ease,
        visibility 0ms linear 0ms;
}

.adr-hub-page__accordion-content {
    overflow: hidden;
}

.adr-hub-page__accordion-inner {
    padding: 0 var(--space-2xl) var(--space-2xl) var(--space-2xl);
    border-top: 1px solid rgba(16, 32, 48, 0.06);
    background:
        linear-gradient(180deg, rgba(247, 247, 245, 0.55) 0%, rgba(255, 255, 255, 0.85) 100%);
    transform: translateZ(0);
}

.adr-hub-page__mode-description {
    margin: 0;
    padding-top: var(--space-xl);
    max-width: 820px;
    color: var(--color-neutral-navy);
    font-size: 1.0625rem;
    line-height: 1.72;
    opacity: 0.92;
}

.adr-hub-page__mode-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-2xl);
    padding-top: var(--space-xl);
}

.adr-hub-page__mode-column,
.adr-hub-page__single-column-block {
    background-color: transparent;
    padding: 0;
    border: none;
}

.adr-hub-page__single-column-block {
    padding-top: var(--space-xl);
}

.adr-hub-page__column-title {
    margin: 0 0 var(--space-md) 0;
    color: var(--color-guidance-teal);
    font-size: var(--fs-h4);
}

.adr-hub-page__bullet-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: var(--space-lg);
}

.adr-hub-page__bullet-list li {
    position: relative;
    padding-left: 1.75rem;
    line-height: 1.65;
    color: var(--color-neutral-navy);
    font-weight: var(--fw-medium);
}

.adr-hub-page__bullet-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    top: 0.05rem;
    color: var(--color-support-gold);
    font-weight: var(--fw-bold);
    font-size: 1.25rem;
    line-height: 1;
}

.adr-hub-page__bullet-list--two-column {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--space-2xl);
}

.adr-hub-page__closing-note {
    margin: var(--space-xl) 0 0 0;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(16, 32, 48, 0.08);
    color: var(--color-neutral-navy);
    line-height: 1.7;
    font-style: italic;
    opacity: 0.88;
}

.adr-hub-page__cta-section {
    padding: var(--space-3xl) 0;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.02) 0%, rgba(255, 255, 255, 0) 100%),
        var(--color-justice-blue);
    position: relative;
    overflow-x: hidden;
}

.adr-hub-page__cta-panel {
    max-width: 860px;
    margin: 0 auto;
    padding: var(--space-2xl);
    text-align: center;
    background-color: transparent;
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: none;
}

.adr-hub-page__cta-panel:hover {
    transform: none;
    box-shadow: none;
}

.adr-hub-page__cta-eyebrow {
    display: inline-block;
    margin-bottom: var(--space-sm);
    font-family: var(--font-body);
    font-size: var(--fs-small);
    font-weight: var(--fw-bold);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-support-gold);
}

.adr-hub-page__cta-title {
    margin: 0 0 var(--space-md) 0;
    color: var(--color-white);
}

.adr-hub-page__cta-description {
    margin: 0 auto;
    max-width: 640px;
    color: rgba(255, 255, 255, 0.86);
    font-size: var(--fs-h4);
    line-height: var(--lh-heading-3);
}

.adr-hub-page__cta-action {
    margin-top: var(--space-xl);
    display: flex;
    justify-content: center;
}

.adr-hub-page__cta-section .primary-button {
    background-color: var(--color-white);
    color: var(--color-justice-blue);
}

.adr-hub-page__cta-section a.primary-button {
    color: var(--color-justice-blue) !important;
}

.adr-hub-page__cta-section a.primary-button:hover:not(:disabled),
.adr-hub-page__cta-section a.primary-button:focus-visible,
.adr-hub-page__cta-section a.primary-button:active {
    background-color: var(--color-paper-white);
    color: var(--color-justice-blue) !important;
}

.adr-hub-page__cta-section .primary-button:focus-visible {
    outline: 2px solid var(--color-support-gold);
    outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
    .adr-hub-page__mode-card,
    .adr-hub-page__chevron-wrapper,
    .adr-hub-page__accordion-content-wrapper,
    .adr-hub-page__mode-preview {
        transition: none;
    }
}

@media (max-width: 1024px) {
    .adr-hub-page__mode-columns {
        grid-template-columns: 1fr;
    }

    .adr-hub-page__bullet-list--two-column {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .adr-hub-page__section {
        padding: var(--space-2xl) 0;
    }

    .adr-hub-page__modes {
        padding: var(--space-2xl) 0;
    }

    .adr-hub-page__accordion-list {
        gap: var(--space-lg);
    }

    .adr-hub-page__accordion-trigger {
        padding: var(--space-xl);
        align-items: flex-start;
    }

    .adr-hub-page__mode-preview {
        font-size: 0.95rem;
        line-height: 1.6;
    }

    .adr-hub-page__chevron-wrapper {
        width: 44px;
        height: 44px;
        margin-left: var(--space-sm);
    }

    .adr-hub-page__accordion-content-wrapper--open {
        max-height: 1600px;
    }

    .adr-hub-page__accordion-inner {
        padding: 0 var(--space-xl) var(--space-xl) var(--space-xl);
    }

    .adr-hub-page__mode-description {
        padding-top: var(--space-lg);
        font-size: 1rem;
    }

    .adr-hub-page__mode-columns,
    .adr-hub-page__single-column-block {
        padding-top: var(--space-lg);
    }

    .adr-hub-page__cta-panel {
        padding: var(--space-xl);
    }

    .adr-hub-page__cta-description {
        font-size: var(--fs-body);
        line-height: var(--lh-body);
    }
}