/* ==========================================================================
   miris.studio  --  bauhaus gallery portfolio
   palette: #ffffff, #1a1a1a, #e53935, #1565c0, #fdd835, #f5f5f5, #757575
   fonts:   DM Sans (display + body), DM Mono (captions)
   ========================================================================== */

:root {
    --c-white:   #ffffff;
    --c-paper:   #f5f5f5;
    --c-black:   #1a1a1a;
    --c-mute:    #757575;
    --c-red:     #e53935;
    --c-blue:    #1565c0;
    --c-yellow:  #fdd835;
    --c-overlay: rgba(26, 26, 26, 0.85);

    --frame-margin: 2rem;
    --gutter: 8px;
}

* {
    box-sizing: border-box;
}

html {
    background: var(--c-white);
}

body {
    margin: 0;
    background: var(--c-white);
    color: var(--c-black);
    font-family: "DM Sans", "Helvetica Neue", Arial, sans-serif;
    font-weight: 400;
    font-size: 0.95rem;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 200ms ease;
}

a:hover {
    border-bottom-color: var(--c-black);
}

/* ----- gallery frame --------------------------------------------------- */

.gallery-frame {
    border: 1px solid var(--c-black);
    margin: var(--frame-margin);
    min-height: calc(100vh - 4rem);
    background: var(--c-white);
    position: relative;
    overflow: hidden;
}

/* ----- nav ------------------------------------------------------------- */

.site-nav {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1.5rem;
    padding: 1.25rem 2rem;
    border-bottom: 1px solid var(--c-black);
    background: var(--c-white);
}

.nav-mark {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.nav-mark .nav-label {
    font-size: 0.95rem;
}

.mark-glyph {
    display: inline-block;
    width: 12px;
    height: 12px;
}

.mark-circle   { background: var(--c-red);    border-radius: 50%; }
.mark-square   { background: var(--c-blue); }
.mark-triangle {
    width: 0;
    height: 0;
    background: transparent;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 12px solid var(--c-yellow);
}

.nav-links {
    display: flex;
    gap: 1.75rem;
    justify-content: center;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.nav-meta {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.6rem;
    font-family: "DM Mono", "SFMono-Regular", Menlo, monospace;
    font-size: 0.75rem;
    color: var(--c-mute);
    letter-spacing: 0.04em;
}

.nav-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--c-black);
    display: inline-block;
}

/* ----- hero ------------------------------------------------------------ */

.hero {
    padding: clamp(3rem, 8vh, 6rem) clamp(1.5rem, 6vw, 5rem);
    text-align: center;
    background: var(--c-white);
    border-bottom: 1px solid var(--c-black);
    position: relative;
}

.hero-eyebrow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    font-family: "DM Mono", monospace;
    font-size: 0.78rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--c-mute);
    margin-bottom: 2.5rem;
}

.eyebrow-line {
    width: 60px;
    height: 1px;
    background: var(--c-black);
    display: inline-block;
}

.hero-title {
    margin: 0 0 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    font-weight: 700;
    line-height: 0.95;
    font-size: clamp(2rem, 4vw, 3.5rem);
    letter-spacing: -0.01em;
}

.title-line {
    font-size: clamp(3rem, 9vw, 6.5rem);
    line-height: 0.9;
    text-transform: none;
}

.title-line--alt {
    color: var(--c-black);
}

.title-trio {
    display: flex;
    gap: 12px;
    justify-content: center;
    align-items: center;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
}

.trio-shape {
    display: inline-block;
    width: 40px;
    height: 40px;
}

.trio-circle   { background: var(--c-red);  border-radius: 50%; }
.trio-square   { background: var(--c-blue); }
.trio-triangle {
    width: 0;
    height: 0;
    background: transparent;
    border-left: 20px solid transparent;
    border-right: 20px solid transparent;
    border-bottom: 40px solid var(--c-yellow);
}

.hero-lede {
    max-width: 56ch;
    margin: 0 auto 2.5rem;
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--c-black);
}

.hero-meta {
    margin: 2.5rem auto 0;
    max-width: 720px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    border-top: 1px solid var(--c-black);
    padding-top: 1.5rem;
    text-align: left;
}

.meta-item dt {
    font-family: "DM Mono", monospace;
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--c-mute);
    margin-bottom: 0.25rem;
}

.meta-item dd {
    margin: 0;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--c-black);
}

/* ----- divider band ---------------------------------------------------- */

.divider {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    border-bottom: 1px solid var(--c-black);
    background: var(--c-white);
}

.divider--full {
    padding: 0 2rem;
}

.div-line {
    height: 1px;
    width: 60px;
    background: var(--c-black);
}

.div-line--long {
    flex: 1;
    max-width: 240px;
}

.div-shape {
    display: inline-block;
    width: 16px;
    height: 16px;
}

.div-shape--circle   { background: var(--c-red); border-radius: 50%; }
.div-shape--square   { background: var(--c-blue); }
.div-shape--triangle {
    width: 0;
    height: 0;
    background: transparent;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 16px solid var(--c-yellow);
}

/* ----- hall (section) -------------------------------------------------- */

.hall {
    padding: clamp(2.5rem, 6vh, 5rem) clamp(1.5rem, 4vw, 3rem);
    background: var(--c-white);
    border-bottom: 1px solid var(--c-black);
}

.hall-header {
    max-width: 760px;
    margin: 0 auto 2.5rem;
    text-align: left;
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    column-gap: 1.5rem;
    row-gap: 0.5rem;
    align-items: baseline;
}

.hall-tag {
    grid-column: 1;
    grid-row: 1 / span 2;
    align-self: start;
    font-family: "DM Mono", monospace;
    font-size: 0.78rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--c-mute);
    padding-top: 0.4rem;
    border-top: 2px solid var(--c-black);
    min-width: 80px;
}

.hall-title {
    grid-column: 2;
    grid-row: 1;
    margin: 0;
    font-size: clamp(1.75rem, 3.6vw, 2.6rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.005em;
}

.hall-note {
    grid-column: 2;
    grid-row: 2;
    margin: 0;
    color: var(--c-mute);
    font-size: 0.95rem;
    max-width: 60ch;
}

/* ----- masonry --------------------------------------------------------- */

.masonry {
    column-count: 4;
    column-gap: var(--gutter);
}

@media (max-width: 1100px) {
    .masonry { column-count: 3; }
}

@media (max-width: 760px) {
    .masonry { column-count: 2; }
}

@media (max-width: 480px) {
    .masonry { column-count: 1; }
}

/* ----- card ------------------------------------------------------------ */

.card {
    break-inside: avoid;
    margin-bottom: var(--gutter);
    position: relative;
    overflow: hidden;
    background: var(--c-paper);
    border: 1px solid var(--c-black);
    cursor: pointer;
    display: block;
}

.card-art {
    position: relative;
    width: 100%;
    overflow: hidden;
    transition: transform 400ms ease;
}

.card[data-ratio="16-9"] .card-art { aspect-ratio: 16 / 9; }
.card[data-ratio="1-1"]  .card-art { aspect-ratio: 1 / 1; }
.card[data-ratio="3-4"]  .card-art { aspect-ratio: 3 / 4; }

.card[data-tone="white"]  .card-art { background: var(--c-white); }
.card[data-tone="grey"]   .card-art { background: var(--c-paper); }
.card[data-tone="black"]  .card-art { background: var(--c-black); }
.card[data-tone="red"]    .card-art { background: var(--c-red); }
.card[data-tone="blue"]   .card-art { background: var(--c-blue); }
.card[data-tone="yellow"] .card-art { background: var(--c-yellow); }

.card[data-tone="black"]  .card-caption { color: var(--c-mute); }
.card[data-tone="white"]  { border-color: var(--c-black); }

.art-shape, .art-bar, .art-line {
    position: absolute;
    pointer-events: none;
}

/* circles */
.art-circle-lg {
    width: 60%;
    height: auto;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    background: var(--c-yellow);
    top: 20%;
    left: 20%;
}
.art-circle-md {
    width: 45%;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    background: var(--c-yellow);
    top: 27%;
    left: 27%;
}
.art-circle-sm {
    width: 24%;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    background: var(--c-blue);
    top: 38%;
    left: 38%;
}

.art-circle-yellow { background: var(--c-yellow); }
.art-circle-red    { background: var(--c-red); }
.art-circle-blue   { background: var(--c-blue); }
.art-circle-white  { background: var(--c-white); }

.art-circle--right { left: 65%; }
.art-circle--lower { top: 65%; }

/* squares */
.art-square-md {
    width: 50%;
    aspect-ratio: 1 / 1;
    background: var(--c-blue);
    top: 25%;
    left: 25%;
}
.art-square-sm {
    width: 28%;
    aspect-ratio: 1 / 1;
    background: var(--c-red);
    top: 36%;
    left: 36%;
}
.art-square-red    { background: var(--c-red); }
.art-square-blue   { background: var(--c-blue); }
.art-square-yellow { background: var(--c-yellow); }
.art-square-black  { background: var(--c-black); }
.art-square--shifted { top: 14%; left: 58%; }

/* triangles via clip-path */
.art-triangle-md {
    width: 60%;
    aspect-ratio: 1 / 1;
    background: var(--c-red);
    clip-path: polygon(50% 0, 0 100%, 100% 100%);
    top: 20%;
    left: 20%;
}
.art-triangle-lg {
    width: 80%;
    aspect-ratio: 1 / 1;
    background: var(--c-blue);
    clip-path: polygon(50% 0, 0 100%, 100% 100%);
    top: 12%;
    left: 10%;
}
.art-triangle-blue   { background: var(--c-blue); }
.art-triangle-yellow { background: var(--c-yellow); }
.art-triangle-white  { background: var(--c-white); }

/* bars */
.art-bar--horizontal {
    width: 100%;
    height: 14%;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    background: var(--c-red);
}
.art-bar--vertical {
    width: 14%;
    height: 100%;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    background: var(--c-black);
}
.art-bar--lower    { top: 70%; }
.art-bar--right    { left: 65%; }
.art-bar--blue     { background: var(--c-blue); }
.art-bar--red      { background: var(--c-red); }
.art-bar--yellow   { background: var(--c-yellow); }
.art-bar--black    { background: var(--c-black); }
.art-bar--white    { background: var(--c-white); }

/* lines */
.art-line--diag {
    top: 0;
    left: 0;
    width: 141%;
    height: 1px;
    background: var(--c-black);
    transform-origin: top left;
    transform: rotate(45deg);
}
.art-line--horizon {
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--c-black);
}
.art-line--white { background: var(--c-white); }

/* overlay */
.card-overlay {
    position: absolute;
    inset: 0;
    background: var(--c-overlay);
    color: var(--c-white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-align: center;
    padding: 1.25rem;
    opacity: 0;
    transition: opacity 250ms ease;
    pointer-events: none;
}

.overlay-num {
    font-family: "DM Mono", monospace;
    font-size: 0.75rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--c-yellow);
}

.overlay-title {
    font-family: "DM Sans", sans-serif;
    font-weight: 700;
    font-size: clamp(1rem, 1.6vw, 1.4rem);
    letter-spacing: -0.005em;
    line-height: 1.2;
    max-width: 22ch;
}

.overlay-meta {
    font-family: "DM Mono", monospace;
    font-size: 0.7rem;
    color: var(--c-paper);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.card:hover .card-overlay,
.card.is-focus .card-overlay {
    opacity: 1;
}

.card:hover .card-art {
    transform: scale(1.02);
}

.card-caption {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 0.75rem;
    padding: 0.55rem 0.75rem;
    font-family: "DM Mono", monospace;
    font-size: 0.72rem;
    color: var(--c-mute);
    letter-spacing: 0.06em;
    border-top: 1px solid var(--c-black);
    background: var(--c-white);
}

.cap-num {
    color: var(--c-black);
    font-weight: 500;
}

.cap-name {
    color: var(--c-black);
}

.cap-dim {
    text-align: right;
}

/* ----- philosophy band ------------------------------------------------- */

.band {
    padding: clamp(3rem, 9vh, 6rem) clamp(1.5rem, 6vw, 5rem);
    text-align: center;
    background: var(--c-white);
    border-bottom: 1px solid var(--c-black);
    position: relative;
}

.band--alt {
    background: var(--c-paper);
}

.band-text {
    margin: 0 auto;
    max-width: 32ch;
    font-family: "DM Sans", sans-serif;
    font-weight: 500;
    font-size: clamp(1.2rem, 2.4vw, 1.9rem);
    line-height: 1.35;
    letter-spacing: -0.005em;
    color: var(--c-black);
}

.band-mark {
    display: inline-block;
    color: var(--c-red);
    margin: 0 0.4rem;
    letter-spacing: 0;
}

.band-attr {
    margin-top: 1.5rem;
    font-family: "DM Mono", monospace;
    font-size: 0.78rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--c-mute);
}

/* ----- index list ------------------------------------------------------ */

.index {
    padding: clamp(2.5rem, 6vh, 5rem) clamp(1.5rem, 4vw, 3rem);
    background: var(--c-white);
    border-bottom: 1px solid var(--c-black);
}

.index-header {
    max-width: 760px;
    margin: 0 auto 2rem;
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    column-gap: 1.5rem;
    row-gap: 0.5rem;
    align-items: baseline;
}

.index-header .hall-tag {
    grid-row: 1 / span 2;
}

.index-header .hall-title {
    grid-column: 2;
    grid-row: 1;
}

.index-header .hall-note {
    grid-column: 2;
    grid-row: 2;
}

.index-list {
    list-style: none;
    margin: 0 auto;
    padding: 0;
    max-width: 920px;
    border-top: 1px solid var(--c-black);
}

.index-list li {
    display: grid;
    grid-template-columns: 60px minmax(180px, 2fr) 1fr auto auto;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 0.25rem;
    border-bottom: 1px solid var(--c-black);
    font-size: 0.95rem;
    transition: background 180ms ease;
    cursor: pointer;
}

.index-list li:hover,
.index-list li.is-active {
    background: var(--c-paper);
}

.ix-num {
    font-family: "DM Mono", monospace;
    font-size: 0.78rem;
    color: var(--c-mute);
    letter-spacing: 0.1em;
}

.ix-name {
    font-weight: 500;
    color: var(--c-black);
}

.ix-line {
    height: 1px;
    background: var(--c-black);
    opacity: 0.25;
}

.ix-meta {
    font-family: "DM Mono", monospace;
    font-size: 0.78rem;
    color: var(--c-mute);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.ix-year {
    font-family: "DM Mono", monospace;
    font-size: 0.78rem;
    color: var(--c-black);
    letter-spacing: 0.08em;
}

@media (max-width: 720px) {
    .index-list li {
        grid-template-columns: 40px 1fr auto;
    }
    .ix-line, .ix-meta { display: none; }
}

/* ----- footer ---------------------------------------------------------- */

.site-foot {
    padding: clamp(2.5rem, 6vh, 4rem) clamp(1.5rem, 4vw, 3rem) 1.5rem;
    background: var(--c-white);
}

.foot-grid {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.foot-block p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--c-black);
    line-height: 1.7;
}

.foot-h {
    font-family: "DM Mono", monospace !important;
    font-size: 0.75rem !important;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--c-mute) !important;
    margin-bottom: 0.4rem !important;
    border-top: 1px solid var(--c-black);
    padding-top: 0.6rem;
    display: block;
}

.foot-block--mark .foot-id {
    font-size: 1.05rem;
    font-weight: 700;
    margin-top: 0.75rem !important;
}

.foot-block--mark .foot-cap {
    font-family: "DM Mono", monospace;
    color: var(--c-mute) !important;
    font-size: 0.78rem !important;
    letter-spacing: 0.08em;
}

.foot-trio {
    display: flex;
    gap: 8px;
    align-items: center;
}

.foot-trio .trio-shape {
    width: 14px;
    height: 14px;
}

.foot-trio .trio-triangle {
    border-left: 7px solid transparent;
    border-right: 7px solid transparent;
    border-bottom: 14px solid var(--c-yellow);
    width: 0;
    height: 0;
}

.foot-rule {
    height: 1px;
    background: var(--c-black);
    margin-bottom: 1rem;
}

.foot-base {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: "DM Mono", monospace;
    font-size: 0.74rem;
    color: var(--c-mute);
    letter-spacing: 0.08em;
}

.foot-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--c-black);
    display: inline-block;
}

@media (max-width: 860px) {
    .foot-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 540px) {
    .foot-grid {
        grid-template-columns: 1fr;
    }
}

/* ----- nav layout adjustments for small screens ----------------------- */

@media (max-width: 860px) {
    .site-nav {
        grid-template-columns: 1fr 1fr;
        gap: 1rem 1.5rem;
    }
    .nav-links {
        grid-column: 1 / span 2;
        grid-row: 2;
        justify-content: flex-start;
        flex-wrap: wrap;
    }
    .nav-meta {
        justify-content: flex-end;
    }
}

@media (max-width: 540px) {
    .hero-meta {
        grid-template-columns: 1fr 1fr;
    }
    :root { --frame-margin: 1rem; }
    .hall, .index, .band {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* ----- small dressing -------------------------------------------------- */

::selection {
    background: var(--c-yellow);
    color: var(--c-black);
}