/**
 * @file plugins/themes/lumina/styles/academic/pinnacle-about.css
 *
 * Copyright (c) 2026 Lumina Project contributors
 * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
 *
 * @brief Pinnacle experience presentation for the OJS About the Journal page.
 *
 * Design direction — "premium academic journal editorial page":
 *   - Editorial journal identity hero (book/cover hero): eyebrow -> journal
 *     title -> publisher -> description on the left, framed journal cover
 *     (OJS homepageImage SSOT) on the right. The image is treated as a
 *     physical journal/book cover (controlled portrait size, hairline border,
 *     layered token shadow, small radius, spine depth, slight perspective and
 *     a restrained hover lift) — never full-column, never landscape-stretched.
 *   - ONE VISUAL SEPARATOR = ONE PURPOSE: the hero bottom border is the single
 *     separator between hero and metadata; metadata items carry no border-top.
 *   - Dynamic metadata strip (publisher + print ISSN + online ISSN) as an
 *     editorial 3-column stack (uppercase micro-label / icon tile / strong
 *     value) with whitespace separation and a faint vertical hairline between
 *     columns; items that are unavailable are simply not rendered.
 *   - Editorial chapters: native OJS about HTML is presented as numbered
 *     sections (CSS counter, language-agnostic, order-derived). Each chapter
 *     keeps ONE editorial hairline after the heading (no stacked border-top).
 *   - Locale-key notice callout rendered when present.
 *   - Motion is CSS-only, token-driven, entrance-restrained and fully disabled
 *     under `prefers-reduced-motion`.
 *
 * Scope & ownership:
 *   - Every rule is scoped under `body.lm-layout-pinnacle .page_about`, so the
 *     certified Zenith presentation (zenith-about.css), the shared identity
 *     card markup and every other experience remain untouched.
 *   - Pinnacle markup is gated on `experience->id == 'pinnacle'` in about.tpl
 *     via `$luminaAboutIsPinnacle` (same pattern as contact/information).
 *
 * Palette / token conformance:
 *   - THIS FILE IS NOT A PALETTE SOURCE. It defines no color ramp and no
 *     custom `--lm-*` color variables. Every color resolves from canonical
 *     Lumina tokens (PaletteEngine: `--lm-accent-*`, `--lm-primary`,
 *     `--lm-surface-*`, `--lm-border`, `--lm-text-*`, `--lm-state-hover-tint`)
 *     or static foundation tokens (`--lm-shadow-*`, `--lm-radius-*`,
 *     `--lm-motion-*`, `--lm-elevation-*`, `--space-*`, `--lm-font-*`,
 *     `--lm-weight-*`). Zero hex/rgb/hsl literals appear below.
 *   - A journal runs a single active palette; switching palette (Academic
 *     Blue / Research Cyan / Nature Green / Neutral Minimal / ...) restyles
 *     this page automatically.
 */

/* =========================================================
   1. JOURNAL IDENTITY HERO (BOOK / COVER HERO)
   ========================================================= */
body.lm-layout-pinnacle .page_about .lm-pinnacle-about-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-2xl, 4rem);
    padding: var(--space-xl, 2.5rem) 0 var(--space-2xl, 4rem);
    margin: 0;
    border-bottom: 1px solid var(--lm-border);
}

@media (min-width: 1024px) {
    body.lm-layout-pinnacle .page_about .lm-pinnacle-about-hero {
        grid-template-columns: minmax(0, 72ch) 250px;
        align-items: center;
        gap: var(--space-xl, 2.5rem);
    }
}

/* ── Left: editorial identity content ── */
body.lm-layout-pinnacle .page_about .lm-pinnacle-about-hero__content {
    min-width: 0;
    max-width: 72ch;
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--lm-accent-700);
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-hero__eyebrow::before {
    content: "";
    width: 1.25rem;
    height: 2px;
    background: var(--lm-accent-600);
    border-radius: var(--lm-radius-full);
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-hero__title {
    margin: 0.75rem 0 0.35rem;
    font-family: var(--lm-font-heading-sans, var(--lm-font-sans, inherit));
    font-size: clamp(1.6rem, 3.2vw, 2.2rem);
    font-weight: var(--lm-weight-extrabold, 800);
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--lm-text-primary);
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-hero__publisher {
    margin: 0 0 1.1rem;
    font-size: 0.95rem;
    font-weight: var(--lm-weight-semibold, 600);
    color: var(--lm-text-secondary);
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-hero__description {
    margin: 0;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--lm-text-secondary);
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-hero__description p {
    margin: 0 0 var(--space-md, 1rem);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--lm-text-secondary);
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-hero__description p:last-child {
    margin-bottom: 0;
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-hero__accent-line {
    margin-top: 1.25rem;
    width: 2.75rem;
    height: 3px;
    background: var(--lm-accent-600);
    border-radius: var(--lm-radius-full);
}

/* ── Right: journal cover presentation ── */
body.lm-layout-pinnacle .page_about .lm-pinnacle-about-hero__visual {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    min-height: 0;
    perspective: 1000px;
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-cover {
    position: relative;
    margin: 0;
    width: 13rem;
    aspect-ratio: 5 / 7;
    border-radius: var(--lm-radius-sm, 4px);
    background: var(--lm-surface-card);
    box-shadow: var(--lm-shadow-md), var(--lm-shadow-sm);
    overflow: hidden;
    transform: translateY(0) rotateY(0);
    transition: transform var(--lm-motion-normal), box-shadow var(--lm-motion-normal);
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-cover:hover {
    transform: var(--lm-elevation-lg) rotateY(-1deg);
    box-shadow: var(--lm-shadow-lg), var(--lm-shadow-md);
}

/* Spine depth — left edge hairline accent, no image alteration */
body.lm-layout-pinnacle .page_about .lm-pinnacle-about-cover::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 0.35rem;
    background: var(--lm-accent-100);
    z-index: 2;
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-cover__image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Fallback tile when no homepage image is configured */
body.lm-layout-pinnacle .page_about .lm-pinnacle-about-cover--fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--lm-accent-600);
    font-size: 2.5rem;
    background: var(--lm-accent-50);
    border: 1px solid var(--lm-accent-100);
}

/* =========================================================
   2. DYNAMIC METADATA STRIP (editorial stack, no cards)
   ========================================================= */
body.lm-layout-pinnacle .page_about .lm-pinnacle-about-meta {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-lg, 1.5rem);
    margin-top: var(--space-xl, 2.5rem);
}

@media (min-width: 768px) {
    body.lm-layout-pinnacle .page_about .lm-pinnacle-about-meta {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: var(--space-lg, 1.5rem);
    }

    body.lm-layout-pinnacle .page_about .lm-pinnacle-about-meta__item + .lm-pinnacle-about-meta__item {
        border-left: 1px solid var(--lm-border);
        padding-left: var(--space-lg, 1.5rem);
    }
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-meta__item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
    min-width: 0;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-meta__label {
    order: 1;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--lm-text-secondary);
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-meta__icon {
    order: 2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: var(--lm-radius-md, 6px);
    background: var(--lm-accent-50);
    border: 1px solid var(--lm-accent-100);
    color: var(--lm-accent-700);
    font-size: 0.9rem;
    transition: transform var(--lm-motion-fast), background-color var(--lm-motion-fast);
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-meta__item:hover .lm-pinnacle-about-meta__icon {
    transform: var(--lm-interaction-lift-sm);
    background-color: var(--lm-accent-100);
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-meta__value {
    order: 3;
    font-size: 1rem;
    font-weight: var(--lm-weight-semibold, 600);
    color: var(--lm-text-primary);
    overflow-wrap: anywhere;
    transition: color var(--lm-motion-fast);
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-meta__item:hover .lm-pinnacle-about-meta__value {
    color: var(--lm-accent-700);
}

/* =========================================================
   3. EDITORIAL CHAPTERS (numbered, native OJS about HTML)
   ========================================================= */
body.lm-layout-pinnacle .page_about .lm-pinnacle-about-content {
    margin-top: var(--space-2xl, 4rem);
    counter-reset: lm-about-chapter;
    max-width: 72ch;
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-content h2 {
    display: flex;
    align-items: baseline;
    gap: 0.9rem;
    margin: var(--space-2xl, 4rem) 0 var(--space-md, 1rem);
    font-family: var(--lm-font-heading-sans, var(--lm-font-sans, inherit));
    font-size: clamp(1.15rem, 1.9vw, 1.4rem);
    font-weight: var(--lm-weight-semibold, 600);
    letter-spacing: -0.015em;
    line-height: 1.25;
    color: var(--lm-text-primary);
    counter-increment: lm-about-chapter;
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-content h2:first-child {
    margin-top: 0;
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-content h2::before {
    content: counter(lm-about-chapter, decimal-leading-zero);
    font-family: var(--lm-font-sans, inherit);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--lm-accent-600);
    flex-shrink: 0;
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-content h2::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--lm-border);
    align-self: center;
}

/* ── Sub-headings ── */
body.lm-layout-pinnacle .page_about .lm-pinnacle-about-content h3 {
    margin: var(--space-lg, 1.5rem) 0 var(--space-sm, 0.5rem);
    font-family: var(--lm-font-heading-sans, var(--lm-font-sans, inherit));
    font-size: 1.15rem;
    font-weight: var(--lm-weight-bold, 700);
    line-height: 1.3;
    color: var(--lm-text-primary);
}

/* ── Prose ── */
body.lm-layout-pinnacle .page_about .lm-pinnacle-about-content p {
    margin: 0 0 var(--space-md, 1rem);
    font-size: var(--lm-font-size-base, 1rem);
    line-height: 1.75;
    color: var(--lm-text-secondary);
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-content p:last-child {
    margin-bottom: 0;
}

/* ── Lists ── */
body.lm-layout-pinnacle .page_about .lm-pinnacle-about-content ul {
    list-style: none;
    margin: 0 0 var(--space-md, 1rem);
    padding: 0;
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-content ul li {
    position: relative;
    padding-left: 1.4rem;
    margin-bottom: var(--space-sm, 0.5rem);
    font-size: var(--lm-font-size-base, 1rem);
    line-height: 1.75;
    color: var(--lm-text-secondary);
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-content ul li::before {
    content: "";
    position: absolute;
    left: 0.15rem;
    top: 0.65em;
    width: 6px;
    height: 6px;
    border-radius: var(--lm-radius-full);
    background-color: var(--lm-accent-600);
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-content ol {
    margin: 0 0 var(--space-md, 1rem);
    padding-left: 1.4rem;
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-content ol li {
    margin-bottom: var(--space-sm, 0.5rem);
    font-size: var(--lm-font-size-base, 1rem);
    line-height: 1.75;
    color: var(--lm-text-secondary);
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-content ol li::marker {
    color: var(--lm-accent-600);
    font-weight: var(--lm-weight-bold, 700);
}

/* ── Links inside about content ── */
body.lm-layout-pinnacle .page_about .lm-pinnacle-about-content a {
    color: var(--lm-accent-600);
    font-weight: var(--lm-weight-semibold, 600);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color var(--lm-motion-normal);
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-content a:hover {
    color: var(--lm-accent-700);
}

/* =========================================================
   4. IMPORTANT NOTICE CALLOUT (locale-key copy)
   ========================================================= */
body.lm-layout-pinnacle .page_about .lm-pinnacle-about-notice {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md, 1rem);
    margin-top: var(--space-2xl, 4rem);
    padding: var(--space-md, 1rem) var(--space-lg, 1.5rem);
    background-color: var(--lm-accent-50);
    border: 1px solid var(--lm-accent-100);
    border-radius: var(--lm-radius-lg, 8px);
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-notice__icon {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: var(--lm-radius-full);
    background-color: var(--lm-accent-100);
    color: var(--lm-accent-700);
    font-size: 1.05rem;
}

body.lm-layout-pinnacle .page_about .lm-pinnacle-about-notice__text {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--lm-text-secondary);
}

/* =========================================================
   RESPONSIVE LAYOUT
   ========================================================= */
@media (max-width: 767px) {
    body.lm-layout-pinnacle .page_about .lm-pinnacle-about-hero {
        gap: var(--space-lg, 1.5rem);
        padding: var(--space-xl, 2.5rem) 0 var(--space-xl, 2.5rem);
    }

    body.lm-layout-pinnacle .page_about .lm-pinnacle-about-hero__visual {
        justify-content: flex-start;
        perspective: none;
    }

    body.lm-layout-pinnacle .page_about .lm-pinnacle-about-cover {
        width: 9.5rem;
    }

    body.lm-layout-pinnacle .page_about .lm-pinnacle-about-meta__item {
        gap: 0.35rem;
    }

    body.lm-layout-pinnacle .page_about .lm-pinnacle-about-content h2 {
        gap: 0.65rem;
        font-size: 1.15rem;
    }

    body.lm-layout-pinnacle .page_about .lm-pinnacle-about-notice {
        flex-direction: column;
        align-items: flex-start;
        padding: var(--space-lg, 1.5rem);
    }
}

/* =========================================================
   MOTION — ENTRANCE (CSS only, restrained)
   ========================================================= */
@keyframes lm-pinnacle-about-rise {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: no-preference) {
    body.lm-layout-pinnacle .page_about .lm-pinnacle-about-hero__content {
        animation: lm-pinnacle-about-rise 600ms var(--lm-ease-decelerate) backwards;
    }

    body.lm-layout-pinnacle .page_about .lm-pinnacle-about-hero__visual {
        animation: lm-pinnacle-about-rise 600ms var(--lm-ease-decelerate) 140ms backwards;
    }

    body.lm-layout-pinnacle .page_about .lm-pinnacle-about-meta {
        animation: lm-pinnacle-about-rise 600ms var(--lm-ease-decelerate) 240ms backwards;
    }
}

/* =========================================================
   MOTION — RESPECT REDUCED MOTION
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
    body.lm-layout-pinnacle .page_about .lm-pinnacle-about-hero__content,
    body.lm-layout-pinnacle .page_about .lm-pinnacle-about-hero__visual,
    body.lm-layout-pinnacle .page_about .lm-pinnacle-about-meta {
        animation: none;
    }

    body.lm-layout-pinnacle .page_about .lm-pinnacle-about-cover,
    body.lm-layout-pinnacle .page_about .lm-pinnacle-about-meta__icon,
    body.lm-layout-pinnacle .page_about .lm-pinnacle-about-meta__value,
    body.lm-layout-pinnacle .page_about .lm-pinnacle-about-content a {
        transition: none;
    }

    body.lm-layout-pinnacle .page_about .lm-pinnacle-about-cover,
    body.lm-layout-pinnacle .page_about .lm-pinnacle-about-meta__icon {
        transform: none;
    }
}