/* =============================================================
   a6c.xyz — Light Academia / Private Observatory
   Marble textures, celestial typography, masonry gallery
   Design compliance tokens: IntersectionObserver Interstitial Breathers:** Breathers* sections (Google
   ============================================================= */

:root {
    --vellum:          #f5f0e6;
    --vellum-soft:     #ede5d6;
    --parchment:       #e8ddd0;
    --umber:           #2c2417;
    --walnut:          #3d3328;
    --bronze:          #7a6b56;
    --gold:            #b8943e;
    --gold-warm:       #d4b65c;
    --amber:           #9a7a2e;
    --marble-vein:     #c5bfb3;
    --night:           #1e1a14;
    --polaris:         #fffdf7;

    --serif-display:   "Cormorant Garamond", "Lora", Georgia, serif;
    --serif-body:      "Lora", "Cormorant Garamond", Georgia, serif;
    --serif-smallcaps: "Cormorant SC", "Cormorant Garamond", Georgia, serif;
    --mono:            "DM Mono", "SFMono-Regular", "Menlo", monospace;

    --margin-x:        clamp(4vw, 8vw, 10vw);
    --margin-tablet:   5vw;

    --ease-academic:   cubic-bezier(0.25, 0.46, 0.45, 0.94);

    --shadow-paper:    0 4px 24px rgba(107, 88, 62, 0.08);
    --shadow-paper-hover: 0 8px 36px rgba(107, 88, 62, 0.14);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--serif-body);
    font-weight: 400;
    font-size: clamp(1rem, 1.1vw, 1.15rem);
    line-height: 1.72;
    color: var(--walnut);
    background: var(--vellum);
    overflow-x: hidden;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Global page-wide marble wash */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse at 10% 15%, rgba(197, 191, 179, 0.13) 0%, transparent 55%),
        radial-gradient(ellipse at 85% 60%, rgba(184, 148, 62, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 40% 90%, rgba(197, 191, 179, 0.1) 0%, transparent 45%);
    pointer-events: none;
    z-index: 0;
}

/* =========================
   TYPOGRAPHY BASE
   ========================= */
h1, h2, h3, h4, h5 {
    font-family: var(--serif-display);
    font-weight: 500;
    line-height: 1.12;
    color: var(--umber);
    letter-spacing: 0.03em;
}

p { max-width: 38em; }

a {
    color: var(--gold);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: color 0.4s var(--ease-academic), border-color 0.4s var(--ease-academic);
}

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

em { font-style: italic; color: var(--umber); }

.mono {
    font-family: var(--mono);
    font-weight: 400;
    font-size: 0.92em;
    color: var(--bronze);
    letter-spacing: 0.01em;
}

/* =========================
   MARBLE SURFACE — procedural
   ========================= */
.marble-surface {
    position: relative;
    background:
        radial-gradient(ellipse at 18% 48%, rgba(197, 191, 179, 0.22) 0%, transparent 52%),
        radial-gradient(ellipse at 82% 22%, rgba(197, 191, 179, 0.18) 0%, transparent 42%),
        radial-gradient(ellipse at 55% 82%, rgba(184, 148, 62, 0.05) 0%, transparent 46%),
        radial-gradient(ellipse at 70% 55%, rgba(232, 221, 208, 0.4) 0%, transparent 60%),
        linear-gradient(135deg, var(--vellum) 0%, var(--vellum-soft) 50%, var(--vellum) 100%);
}

.marble-surface::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(115deg, transparent 48%, rgba(197, 191, 179, 0.14) 49%, transparent 50.5%),
        linear-gradient(95deg,  transparent 68%, rgba(197, 191, 179, 0.1)  69%, transparent 70.3%),
        linear-gradient(160deg, transparent 30%, rgba(184, 148, 62, 0.05)  31%, transparent 32%);
    opacity: 0.9;
    mix-blend-mode: multiply;
    border-radius: inherit;
}

/* =========================
   GOLD RULE — shimmer
   ========================= */
hr.gold-rule {
    border: none;
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--gold) 30%,
        var(--gold-warm) 50%,
        var(--gold) 70%,
        transparent 100%);
    background-size: 200% 100%;
    animation: shimmer 4s ease-in-out infinite;
    margin: 1.8rem 0;
    opacity: 0.85;
}

@keyframes shimmer {
    0%   { background-position: 100% 0; }
    100% { background-position: -100% 0; }
}

/* =========================
   STAR GLYPH PULSE
   ========================= */
.star-glyph,
.section-label::first-letter,
.colophon-divider,
.colophon-bullet,
.title-sep,
.card-foot,
.breather-label {
    color: var(--gold);
}

.star-glyph {
    display: inline-block;
    animation: starPulse 2s ease-in-out infinite alternate;
    font-size: 1.1em;
    line-height: 1;
}

@keyframes starPulse {
    0%   { opacity: 0.55; transform: scale(1); }
    100% { opacity: 1;    transform: scale(1.07); }
}

/* =========================
   TOP NAVIGATION
   ========================= */
.topnav {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 48px;
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 0 var(--margin-x);
    z-index: 100;
    background: rgba(245, 240, 230, 0.72);
    backdrop-filter: blur(14px) saturate(1.1);
    -webkit-backdrop-filter: blur(14px) saturate(1.1);
    border-bottom: 1px solid rgba(197, 191, 179, 0.35);
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 1.2s var(--ease-academic), transform 1.2s var(--ease-academic);
}

.topnav.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.nav-home {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    color: var(--gold);
    border-radius: 50%;
    border: 1px solid rgba(184, 148, 62, 0.35);
    transition: all 0.4s var(--ease-academic);
    font-size: 0.95rem;
    border-bottom-color: rgba(184, 148, 62, 0.35);
}

.nav-home:hover {
    background: rgba(184, 148, 62, 0.1);
    border-color: var(--amber);
    transform: rotate(72deg);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1.8rem;
    margin: 0;
}

.nav-links a {
    font-family: var(--serif-smallcaps);
    font-weight: 500;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    color: var(--bronze);
    text-transform: uppercase;
    border-bottom: none;
    position: relative;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: -6px;
    height: 1px;
    background: var(--gold);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.5s var(--ease-academic);
}

.nav-links a:hover,
.nav-links a.is-current {
    color: var(--gold);
}

.nav-links a:hover::after,
.nav-links a.is-current::after {
    transform: scaleX(1);
}

.nav-meta {
    margin-left: auto;
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--bronze);
    letter-spacing: 0.05em;
    opacity: 0.85;
}

@media (max-width: 900px) {
    .nav-links { gap: 1rem; }
    .nav-links a { font-size: 0.72rem; letter-spacing: 0.1em; }
    .nav-meta { display: none; }
}

@media (max-width: 640px) {
    .topnav { gap: 1rem; padding: 0 4vw; }
    .nav-links { gap: 0.8rem; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
    .nav-links::-webkit-scrollbar { display: none; }
    .nav-links a { font-size: 0.68rem; white-space: nowrap; }
}

/* =========================
   SCROLL CONTAINER
   ========================= */
.scroll-container {
    position: relative;
    z-index: 1;
    scroll-snap-type: y proximity;
}

section {
    position: relative;
}

/* =========================
   VESTIBULE (Opening)
   ========================= */
.vestibule {
    min-height: 100vh;
    padding: 0 var(--margin-x);
    display: flex;
    align-items: center;
    justify-content: center;
    scroll-snap-align: start;
    overflow: hidden;
    border-bottom: 1px solid rgba(197, 191, 179, 0.3);
}

.vestibule .constellation-bg {
    position: absolute;
    inset: -10%;
    z-index: 0;
    opacity: 0.18;
    pointer-events: none;
}

.vestibule-inner {
    position: relative;
    z-index: 2;
    max-width: 960px;
    width: 100%;
    text-align: center;
    padding: 4rem 0;
    opacity: 0;
    transform: translateY(14px);
    animation: vestibuleRise 1.4s var(--ease-academic) 0.2s forwards;
}

@keyframes vestibuleRise {
    to { opacity: 1; transform: translateY(0); }
}

.vestibule-overline {
    font-family: var(--serif-smallcaps);
    font-size: 0.82rem;
    letter-spacing: 0.22em;
    color: var(--bronze);
    text-transform: uppercase;
    margin: 0 auto 2.2rem;
}

.vestibule-title {
    font-family: var(--serif-display);
    font-weight: 500;
    font-size: clamp(3.4rem, 11vw, 9.5rem);
    line-height: 1;
    color: var(--umber);
    letter-spacing: 0.06em;
    display: inline-flex;
    align-items: baseline;
    gap: 0.18em;
}

.vestibule-title .title-sep {
    font-size: 0.38em;
    color: var(--gold);
    transform: translateY(-0.9em);
    display: inline-block;
    animation: starPulse 2.4s ease-in-out infinite alternate;
}

.vestibule-title .title-sep:nth-child(4) {
    animation-delay: 0.8s;
}

.vestibule .gold-rule {
    max-width: 180px;
    margin: 1.6rem auto;
}

.vestibule-sentence {
    font-family: var(--serif-display);
    font-style: italic;
    font-weight: 500;
    font-size: clamp(1.15rem, 1.6vw, 1.45rem);
    line-height: 1.55;
    color: var(--walnut);
    max-width: 38em;
    margin: 0 auto 3rem;
}

.vestibule-coord {
    display: inline-flex;
    gap: 1.6rem;
    flex-wrap: wrap;
    justify-content: center;
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--bronze);
    letter-spacing: 0.06em;
}

.vestibule-coord > span:first-child {
    color: var(--gold);
    font-family: var(--serif-display);
    font-size: 1rem;
}

.scroll-hint {
    position: absolute;
    bottom: 2.6rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    font-family: var(--serif-smallcaps);
    font-size: 0.72rem;
    letter-spacing: 0.22em;
    color: var(--bronze);
    text-transform: uppercase;
    opacity: 0;
    animation: fadeIn 1s var(--ease-academic) 2.2s forwards;
}

.scroll-hint-line {
    display: block;
    width: 1px;
    height: 42px;
    background: linear-gradient(180deg, var(--gold) 0%, transparent 100%);
    animation: hintDrift 2.6s ease-in-out infinite;
}

@keyframes hintDrift {
    0%, 100% { transform: scaleY(1); transform-origin: top; opacity: 0.7; }
    50%      { transform: scaleY(1.3); opacity: 1; }
}

@keyframes fadeIn { to { opacity: 1; } }

/* =========================
   CONSTELLATION BG
   ========================= */
.constellation-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.constellation-bg svg {
    width: 100%;
    height: 100%;
    min-width: 700px;
    min-height: 700px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.constellation-group {
    transform-origin: 200px 200px;
    animation: orbitSlow 300s linear infinite;
}

.constellation-group line {
    stroke: var(--gold);
    stroke-width: 0.5;
    opacity: 0.45;
}

.constellation-group circle {
    fill: var(--gold);
    opacity: 0.85;
}

@keyframes orbitSlow {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

.constellation-breather {
    opacity: 0.55;
}

/* =========================
   SECTION HEADS
   ========================= */
.section-head {
    max-width: 52rem;
    margin: 0 auto 4rem;
    text-align: left;
    padding: 0 0.5rem;
}

.section-label {
    font-family: var(--serif-smallcaps);
    font-size: 0.85rem;
    letter-spacing: 0.22em;
    color: var(--bronze);
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--serif-display);
    font-weight: 500;
    font-size: clamp(2.2rem, 5.5vw, 4.6rem);
    line-height: 1.08;
    color: var(--umber);
    margin-bottom: 1.4rem;
    letter-spacing: 0.02em;
}

.section-lead {
    font-family: var(--serif-display);
    font-style: italic;
    font-weight: 500;
    font-size: clamp(1.05rem, 1.4vw, 1.3rem);
    line-height: 1.6;
    color: var(--walnut);
    max-width: 36em;
}

/* =========================
   GALLERY & MASONRY
   ========================= */
.gallery,
.catalogue,
.correspondence {
    padding: clamp(5rem, 10vw, 8rem) var(--margin-x);
    position: relative;
    z-index: 1;
}

.masonry {
    columns: 3;
    column-gap: 1.8rem;
    max-width: 1400px;
    margin: 0 auto;
}

.masonry-two {
    columns: 2;
    max-width: 1100px;
}

.masonry > .card {
    break-inside: avoid;
    margin-bottom: 1.8rem;
    display: inline-block;
    width: 100%;
}

@media (max-width: 1199px) {
    .masonry { columns: 2; }
}

@media (max-width: 768px) {
    .masonry, .masonry-two { columns: 1; }
}

/* =========================
   CARDS
   ========================= */
.card {
    position: relative;
    padding: 2.2rem 2rem 2rem;
    border: 1px solid rgba(197, 191, 179, 0.45);
    border-radius: 2px;
    box-shadow: var(--shadow-paper);
    transition: box-shadow 0.6s var(--ease-academic), transform 0.6s var(--ease-academic);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-paper-hover);
    transform: translateY(-2px);
}

/* orbital ring decoration on certain cards */
.card-tall::before,
.card-wide:nth-child(2n)::before {
    content: "";
    position: absolute;
    right: -60px;
    top: -60px;
    width: 180px;
    height: 180px;
    border: 1px solid rgba(197, 191, 179, 0.55);
    border-radius: 50%;
    pointer-events: none;
    animation: orbitRing 120s linear infinite;
    z-index: 1;
}

.card-tall::after,
.card-wide:nth-child(2n)::after {
    content: "";
    position: absolute;
    right: -30px;
    top: -30px;
    width: 120px;
    height: 120px;
    border: 1px solid rgba(184, 148, 62, 0.2);
    border-radius: 50%;
    pointer-events: none;
    animation: orbitRing 90s linear infinite reverse;
    z-index: 1;
}

@keyframes orbitRing {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

.card > * {
    position: relative;
    z-index: 2;
}

.card-label {
    font-family: var(--serif-smallcaps);
    font-size: 0.76rem;
    letter-spacing: 0.2em;
    color: var(--bronze);
    text-transform: uppercase;
    margin-bottom: 0.9rem;
    padding-bottom: 0.7rem;
    border-bottom: 1px solid rgba(197, 191, 179, 0.4);
}

.card-title {
    font-family: var(--serif-display);
    font-weight: 500;
    font-size: clamp(1.4rem, 2vw, 1.85rem);
    line-height: 1.2;
    color: var(--umber);
    margin-bottom: 1rem;
    letter-spacing: 0.01em;
}

.card-body {
    font-family: var(--serif-body);
    font-weight: 400;
    font-size: 1rem;
    line-height: 1.72;
    color: var(--walnut);
    margin-bottom: 1rem;
}

.card-body-sm {
    font-size: 0.88rem;
    color: var(--bronze);
    font-style: italic;
    line-height: 1.6;
}

.card-body em {
    color: var(--amber);
    font-style: italic;
}

.card-meta {
    margin-top: 1.4rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(197, 191, 179, 0.35);
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.35rem 1.1rem;
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--bronze);
    letter-spacing: 0.02em;
}

.card-meta dt {
    color: var(--gold);
    font-weight: 400;
}

.card-meta dd {
    color: var(--walnut);
}

.card-foot {
    text-align: center;
    color: var(--gold);
    font-size: 1.2rem;
    margin-top: 0.8rem;
    opacity: 0.7;
}

.card-quote {
    font-family: var(--serif-display);
    font-style: italic;
    font-weight: 500;
    font-size: 1.3rem;
    line-height: 1.45;
    color: var(--umber);
    padding: 0.5rem 0 0.5rem 1rem;
    border-left: 2px solid var(--gold);
    margin-bottom: 0.8rem;
}

.card-attrib {
    font-family: var(--serif-smallcaps);
    font-size: 0.78rem;
    letter-spacing: 0.15em;
    color: var(--bronze);
    text-transform: uppercase;
}

/* catalog entries (tabular) */
.catalog-entry {
    margin: 1rem 0 1.2rem;
    padding: 1rem 1.2rem;
    background: rgba(232, 221, 208, 0.35);
    border-left: 2px solid var(--gold);
    border-radius: 2px;
}

.catalog-row {
    display: flex;
    justify-content: space-between;
    font-family: var(--mono);
    font-size: 0.82rem;
    color: var(--walnut);
    padding: 0.3rem 0;
    border-bottom: 1px dashed rgba(197, 191, 179, 0.3);
    max-width: none;
}

.catalog-row:last-child { border-bottom: none; }

.catalog-row span:first-child {
    color: var(--bronze);
    font-family: var(--serif-smallcaps);
    letter-spacing: 0.15em;
    font-size: 0.76rem;
    text-transform: uppercase;
}

.catalog-row span:last-child {
    color: var(--umber);
    font-weight: 400;
}

/* Morph-in state for cards */
.card[data-morph] {
    opacity: 0.3;
    filter: blur(4px);
    transform: scale(0.97);
    transition:
        opacity 0.9s var(--ease-academic),
        filter 0.9s var(--ease-academic),
        transform 0.9s var(--ease-academic),
        box-shadow 0.6s var(--ease-academic);
}

.card[data-morph].is-morphed {
    opacity: 1;
    filter: blur(0);
    transform: scale(1);
}

.card[data-morph].is-morphed:hover {
    transform: translateY(-2px) scale(1);
}

/* =========================
   BREATHER PANELS
   ========================= */
.breather {
    background: var(--parchment);
    padding: clamp(6rem, 14vw, 10rem) var(--margin-x);
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    scroll-snap-align: start;
    border-top: 1px solid rgba(197, 191, 179, 0.4);
    border-bottom: 1px solid rgba(197, 191, 179, 0.4);
}

.breather-1 {
    background:
        radial-gradient(ellipse at 20% 40%, rgba(197, 191, 179, 0.3) 0%, transparent 55%),
        radial-gradient(ellipse at 78% 68%, rgba(184, 148, 62, 0.06) 0%, transparent 50%),
        linear-gradient(160deg, #ece1d2 0%, var(--parchment) 55%, #e0d4c2 100%);
}

.breather-2 {
    background:
        radial-gradient(ellipse at 70% 25%, rgba(197, 191, 179, 0.32) 0%, transparent 55%),
        radial-gradient(ellipse at 20% 80%, rgba(184, 148, 62, 0.07) 0%, transparent 55%),
        linear-gradient(200deg, var(--parchment) 0%, #e0d4c2 50%, #ece1d2 100%);
}

.breather-inner {
    position: relative;
    z-index: 2;
    max-width: 38em;
    text-align: center;
}

.breather-label {
    font-family: var(--serif-smallcaps);
    font-size: 0.85rem;
    letter-spacing: 0.32em;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 2rem;
    animation: starPulse 3s ease-in-out infinite alternate;
}

.breather-text {
    font-family: var(--serif-display);
    font-weight: 500;
    font-style: italic;
    font-size: clamp(1.5rem, 3.2vw, 2.6rem);
    line-height: 1.35;
    color: var(--umber);
    letter-spacing: 0.02em;
    margin: 0 auto 1.5rem;
    max-width: none;
}

.breather .gold-rule {
    max-width: 120px;
    margin: 1.2rem auto;
}

.breather-attrib {
    font-family: var(--serif-smallcaps);
    font-size: 0.78rem;
    letter-spacing: 0.2em;
    color: var(--bronze);
    text-transform: uppercase;
    margin: 0 auto;
}

/* =========================
   CORRESPONDENCE / LETTER
   ========================= */
.correspondence {
    padding-bottom: clamp(5rem, 10vw, 8rem);
}

.letter {
    max-width: 46rem;
    margin: 0 auto;
    padding: clamp(2.2rem, 5vw, 4rem) clamp(2rem, 5vw, 4.5rem);
    border: 1px solid rgba(197, 191, 179, 0.55);
    border-radius: 2px;
    box-shadow: var(--shadow-paper);
    position: relative;
}

.letter::before {
    content: "";
    position: absolute;
    inset: 8px;
    border: 1px solid rgba(197, 191, 179, 0.25);
    border-radius: 1px;
    pointer-events: none;
    z-index: 1;
}

.letter > * { position: relative; z-index: 2; }

.letter-date {
    font-family: var(--serif-smallcaps);
    font-size: 0.8rem;
    letter-spacing: 0.18em;
    color: var(--bronze);
    text-transform: uppercase;
    text-align: right;
    margin-bottom: 2.2rem;
    padding-bottom: 1.2rem;
    border-bottom: 1px solid rgba(197, 191, 179, 0.4);
}

.letter-salute {
    font-family: var(--serif-display);
    font-style: italic;
    font-size: 1.3rem;
    color: var(--umber);
    margin-bottom: 1.2rem;
}

.letter-para {
    font-family: var(--serif-body);
    font-size: 1.05rem;
    line-height: 1.78;
    color: var(--walnut);
    margin-bottom: 1.3rem;
    text-align: justify;
    hyphens: auto;
}

.letter-para em { color: var(--amber); }

.letter-close {
    margin-top: 2rem;
    font-style: italic;
    font-family: var(--serif-display);
    text-align: left;
}

.letter-sig {
    display: inline-block;
    font-family: var(--serif-display);
    font-style: italic;
    font-size: 1.15rem;
    color: var(--gold);
    margin-top: 0.5rem;
    letter-spacing: 0.02em;
}

.letter-postscript {
    font-size: 0.92rem;
    color: var(--bronze);
    font-style: italic;
    margin-top: 1rem;
}

/* =========================
   COLOPHON (Footer)
   ========================= */
.colophon {
    padding: clamp(4rem, 8vw, 6rem) var(--margin-x) clamp(3rem, 6vw, 4.5rem);
    text-align: center;
    border-top: 1px solid rgba(197, 191, 179, 0.4);
    position: relative;
    z-index: 1;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(197, 191, 179, 0.15) 0%, transparent 60%),
        var(--vellum);
}

.colophon-divider {
    font-size: 1.4rem;
    color: var(--gold);
    margin-bottom: 1.8rem;
    letter-spacing: 0.8em;
    padding-left: 0.8em;
}

.colophon-line {
    font-family: var(--serif-smallcaps);
    font-size: 0.82rem;
    letter-spacing: 0.16em;
    color: var(--bronze);
    text-transform: uppercase;
    margin: 0.4rem auto;
    max-width: none;
}

.colophon-font {
    color: var(--umber);
    font-weight: 500;
}

.colophon-links {
    margin: 2rem auto 1rem;
    display: inline-flex;
    gap: 0.8rem;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
    max-width: none;
}

.colophon-links a {
    font-family: var(--serif-smallcaps);
    font-size: 0.82rem;
    letter-spacing: 0.16em;
    color: var(--bronze);
    text-transform: uppercase;
    border-bottom: none;
    transition: color 0.4s var(--ease-academic);
}

.colophon-links a:hover { color: var(--gold); }

.colophon-bullet {
    color: var(--gold);
    font-size: 0.7rem;
    opacity: 0.7;
}

.colophon-stamp {
    font-family: var(--serif-display);
    font-style: italic;
    font-size: 0.88rem;
    color: var(--bronze);
    margin-top: 1.4rem;
    letter-spacing: 0.04em;
    max-width: none;
}

.colophon-stamp em { color: var(--gold); }

/* =========================
   SELECTION
   ========================= */
::selection {
    background: rgba(184, 148, 62, 0.28);
    color: var(--umber);
}

/* =========================
   REDUCED MOTION
   ========================= */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .card[data-morph] {
        opacity: 1;
        filter: blur(0);
        transform: scale(1);
    }
}

/* =========================
   RESPONSIVE TWEAKS
   ========================= */
@media (max-width: 768px) {
    :root { --margin-x: 4vw; }

    .vestibule-title {
        font-size: clamp(3rem, 16vw, 6rem);
        letter-spacing: 0.04em;
    }

    .vestibule-coord {
        gap: 0.8rem;
        font-size: 0.72rem;
    }

    .card {
        padding: 1.6rem 1.4rem 1.4rem;
    }

    .breather-text {
        font-size: clamp(1.3rem, 5vw, 1.9rem);
    }

    .letter {
        padding: 2rem 1.4rem;
    }

    .letter::before { inset: 6px; }
}

@media (max-width: 480px) {
    .colophon-divider { letter-spacing: 0.4em; padding-left: 0.4em; }
    .colophon-links { gap: 0.5rem; }
}