/* memorial.wiki — A Collaborative Archive of Remembrance
   Design Language: minimalist reverence, swiss typographic precision.
   Palette: Stone White, Inscription Black, Epitaph Gray, Date Gray,
   Divider Line, Memorial Green, Archive Warm.
   Typography: Playfair Display (display), Libre Baskerville (body),
   IBM Plex Mono (numerals).
*/

/* -------------------------------------------------------------------------- */
/* Tokens                                                                     */
/* -------------------------------------------------------------------------- */
:root {
    --stone-white:        #f8f7f4;
    --archive-warm:       #e8e4dc;
    --divider-line:       #c8c4bc;
    --date-gray:          #8b8b8b;
    --epitaph-gray:       #4a4a4a;
    --inscription-black:  #1a1a1a;
    --memorial-green:     #2a4a3a;

    --font-display: "Playfair Display", "Libre Baskerville", Georgia, serif;
    --font-body:    "Libre Baskerville", Georgia, "Times New Roman", serif;
    --font-mono:    "IBM Plex Mono", "Menlo", "Consolas", monospace;

    --column-max:   680px;
    --column-pad:   1.5rem;
    --margin-num:   60px;

    --baseline:     8px;
    --section-gap:  clamp(3rem, 6vh, 5rem);

    --opacity-fade: 500ms;
}

/* -------------------------------------------------------------------------- */
/* Reset                                                                      */
/* -------------------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--stone-white);
    color: var(--inscription-black);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.85;
    font-weight: 400;
    opacity: 0;
    transition: opacity var(--opacity-fade) ease-out;
}

body.is-ready {
    opacity: 1;
}

p {
    margin: 0 0 1rem;
}

a {
    color: var(--memorial-green);
    text-decoration: none;
    border-bottom: 1px solid var(--divider-line);
    transition: border-color 200ms ease, color 200ms ease;
}

a:hover {
    border-bottom-color: var(--memorial-green);
}

hr {
    border: 0;
    height: 1px;
    background-color: var(--divider-line);
    margin: 0;
}

/* -------------------------------------------------------------------------- */
/* Site header (scrolling shadow)                                             */
/* -------------------------------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background-color: var(--stone-white);
    border-bottom: 1px solid transparent;
    transition: box-shadow 400ms ease, border-color 400ms ease;
}

.site-header.is-scrolled {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    border-bottom-color: var(--divider-line);
}

.header-inner {
    max-width: var(--column-max);
    margin: 0 auto;
    padding: 1.25rem var(--column-pad);
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
}

.domain-mark {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.04em;
    color: var(--inscription-black);
}

.header-meta {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--date-gray);
    text-transform: lowercase;
    letter-spacing: 0.05em;
}

/* -------------------------------------------------------------------------- */
/* Container                                                                  */
/* -------------------------------------------------------------------------- */
.container {
    max-width: var(--column-max);
    margin: 0 auto;
    padding: 0 var(--column-pad);
}

/* -------------------------------------------------------------------------- */
/* Hero                                                                       */
/* -------------------------------------------------------------------------- */
.hero {
    padding-top: clamp(4rem, 10vh, 7rem);
    padding-bottom: var(--section-gap);
}

.eyebrow {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--date-gray);
    margin: 0 0 1.25rem;
}

.eyebrow .dot {
    color: var(--memorial-green);
}

.hero-rule {
    width: 64px;
    margin: 0 0 2rem;
    background-color: var(--inscription-black);
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1.75rem, 3.6vw, 2.75rem);
    line-height: 1.25;
    letter-spacing: 0.005em;
    color: var(--inscription-black);
    margin: 0 0 1.75rem;
}

.hero-mission {
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.85;
    color: var(--epitaph-gray);
    max-width: 56ch;
    margin: 0 0 2.25rem;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
    margin: 0;
}

.kbd {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    color: var(--date-gray);
    text-transform: lowercase;
    padding: 0.2rem 0.55rem;
    border: 1px solid var(--divider-line);
    background-color: var(--stone-white);
    border-radius: 1px;
}

/* -------------------------------------------------------------------------- */
/* Sections                                                                   */
/* -------------------------------------------------------------------------- */
.section {
    padding-top: var(--section-gap);
    padding-bottom: var(--section-gap);
    border-top: 1px solid var(--divider-line);
}

.section-head {
    margin-bottom: 2.5rem;
}

.section-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1.4rem, 2.2vw, 1.75rem);
    line-height: 1.3;
    color: var(--inscription-black);
    margin: 0 0 0.5rem;
    letter-spacing: 0.005em;
}

.section-sub {
    font-family: var(--font-body);
    font-style: italic;
    font-size: 0.95rem;
    line-height: 1.75;
    color: var(--epitaph-gray);
    margin: 0;
    max-width: 52ch;
}

/* -------------------------------------------------------------------------- */
/* Entries (margin numbering system)                                          */
/* -------------------------------------------------------------------------- */
.entries {
    position: relative;
    counter-reset: entry-counter;
}

.entry {
    position: relative;
    padding-bottom: 1.75rem;
    margin-bottom: 1.75rem;
    border-bottom: 1px solid var(--divider-line);
}

.entry:last-child {
    border-bottom: 0;
    margin-bottom: 0;
}

.entry::before {
    content: attr(data-ref);
    position: absolute;
    left: calc(-1 * var(--margin-num));
    top: 0.55rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--date-gray);
    letter-spacing: 0.05em;
}

.entry-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1.5rem;
    margin: 0 0 0.75rem;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.15rem;
    line-height: 1.4;
    color: var(--inscription-black);
}

.entry-name {
    font-weight: 600;
    letter-spacing: 0.03em;
    color: var(--inscription-black);
}

.entry-dates {
    font-family: var(--font-mono);
    font-weight: 400;
    font-size: 0.78rem;
    color: var(--date-gray);
    letter-spacing: 0.05em;
    white-space: nowrap;
    flex-shrink: 0;
}

.entry-desc {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.85;
    color: var(--epitaph-gray);
    margin: 0 0 0.85rem;
}

.entry-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1.1rem;
    margin: 0;
    align-items: baseline;
}

.meta-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--date-gray);
    text-transform: lowercase;
    letter-spacing: 0.04em;
}

.meta-tag::before {
    content: "·";
    margin-right: 0.5rem;
    color: var(--divider-line);
}

.meta-tag:first-child::before {
    content: "";
    margin-right: 0;
}

.meta-cite {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--date-gray);
    letter-spacing: 0.04em;
    margin-left: auto;
}

/* On narrow viewports, fold the margin number into the entry */
@media (max-width: 860px) {
    .entry::before {
        position: static;
        display: block;
        margin-bottom: 0.4rem;
    }
}

/* -------------------------------------------------------------------------- */
/* Principles                                                                 */
/* -------------------------------------------------------------------------- */
.principles {
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: principle-counter;
}

.principle {
    display: grid;
    grid-template-columns: 3rem 1fr;
    gap: 1.25rem;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--divider-line);
}

.principle:last-child {
    border-bottom: 0;
}

.principle-num {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--date-gray);
    letter-spacing: 0.05em;
    padding-top: 0.45rem;
    text-transform: lowercase;
}

.principle-text {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.85;
    color: var(--epitaph-gray);
    margin: 0;
}

/* -------------------------------------------------------------------------- */
/* Contribute                                                                 */
/* -------------------------------------------------------------------------- */
.contribute-block {
    background-color: var(--archive-warm);
    padding: 2rem 1.75rem;
    border-left: 1px solid var(--divider-line);
}

.contribute-para {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.85;
    color: var(--epitaph-gray);
    margin: 0 0 1rem;
}

.contribute-para:last-child {
    margin-bottom: 0;
}

.quiet-link {
    color: var(--memorial-green);
    border-bottom-color: var(--divider-line);
    font-family: var(--font-mono);
    font-size: 0.92em;
    letter-spacing: 0.02em;
}

/* -------------------------------------------------------------------------- */
/* Colophon                                                                   */
/* -------------------------------------------------------------------------- */
.colophon {
    margin: 0;
    padding: 0;
}

.colophon-row {
    display: grid;
    grid-template-columns: 11rem 1fr;
    gap: 1.25rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--divider-line);
    align-items: baseline;
}

.colophon-row:last-child {
    border-bottom: 0;
}

.colophon-term {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--date-gray);
    letter-spacing: 0.06em;
    text-transform: lowercase;
    margin: 0;
}

.colophon-def {
    font-family: var(--font-body);
    font-size: 0.95rem;
    line-height: 1.75;
    color: var(--epitaph-gray);
    margin: 0;
}

.swatch {
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-right: 0.35rem;
    border: 1px solid var(--divider-line);
    vertical-align: middle;
}

@media (max-width: 600px) {
    .colophon-row {
        grid-template-columns: 1fr;
        gap: 0.35rem;
    }

    .principle {
        grid-template-columns: 2rem 1fr;
        gap: 0.85rem;
    }
}

/* -------------------------------------------------------------------------- */
/* Footer                                                                     */
/* -------------------------------------------------------------------------- */
.site-foot {
    border-top: 1px solid var(--divider-line);
    margin-top: var(--section-gap);
    padding: 2.25rem 0 3.5rem;
    background-color: var(--stone-white);
}

.foot-inner {
    max-width: var(--column-max);
    margin: 0 auto;
    padding: 0 var(--column-pad);
}

.foot-line {
    margin: 0 0 0.5rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--epitaph-gray);
}

.foot-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 1.25rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--date-gray);
    text-transform: lowercase;
    letter-spacing: 0.04em;
}

/* -------------------------------------------------------------------------- */
/* Selection                                                                  */
/* -------------------------------------------------------------------------- */
::selection {
    background: var(--archive-warm);
    color: var(--inscription-black);
}