/* ============================================================
   footprint.moe — Botanical Monograph Stylesheet
   Colors: #0F1F26, #2D5A3D, #C17F24, #6B2737, #7B4F8C, #1B3A4B, #D4C5A9, #F7F3EC
   Fonts: Playfair Display, Playfair Display SC, Lora, Inter
   ============================================================ */

/* --- Custom Properties --- */
:root {
    --ink-dark:       #0F1F26;
    --viridian:       #2D5A3D;
    --amber-gold:     #C17F24;
    --crimson-lake:   #6B2737;
    --prussian-purple:#7B4F8C;
    --prussian-blue:  #1B3A4B;
    --parchment:      #D4C5A9;
    --ivory:          #F7F3EC;

    --font-display:   'Playfair Display', serif;
    --font-sc:        'Playfair Display SC', serif;
    --font-body:      'Lora', serif;
    --font-ui:        'Inter', sans-serif;

    --spread-transition: 0.6s ease-out;
    --micro-transition: 0.6s ease-out;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--ivory);
    color: var(--ink-dark);
    font-family: var(--font-body);
    overflow-x: hidden;
}

/* --- Noise Texture Overlay --- */
#noise-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 999;
    opacity: 0.045;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
    background-repeat: repeat;
    mix-blend-mode: multiply;
}

/* --- Navigation --- */
#site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.25rem 3rem;
    background: rgba(247, 243, 236, 0.88);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(212, 197, 169, 0.5);
    transition: background var(--spread-transition);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
}

.nav-folio {
    font-family: var(--font-sc);
    font-size: 0.875rem;
    letter-spacing: 0.15em;
    color: var(--ink-dark);
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--prussian-blue);
    text-decoration: none;
    text-transform: uppercase;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--amber-gold);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--amber-gold);
}

.nav-link:hover::after {
    width: 100%;
}

/* --- Spreads --- */
.spread {
    position: relative;
    display: grid;
    grid-template-columns: 40% 60%;
    min-height: 100vh;
    overflow: hidden;
}

.spread-spine {
    position: absolute;
    top: 5%;
    bottom: 5%;
    width: 1px;
    background: linear-gradient(
        to bottom,
        transparent,
        var(--parchment) 20%,
        var(--parchment) 80%,
        transparent
    );
    pointer-events: none;
}

/* Hero spread: spine at 40% */
.spread-hero .spread-spine,
.spread-marginalia .spread-spine {
    left: 40%;
}

/* Reversed spreads: spine at 40% from left, but column order is 60/40 */
.spread-specimens,
.spread-archive {
    grid-template-columns: 60% 40%;
}

.spread-specimens .spread-spine,
.spread-archive .spread-spine {
    left: 60%;
}

/* --- Left / Right Columns --- */
.spread-left,
.spread-right {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 7rem 3.5rem 4rem;
}

.spread-hero .spread-left {
    padding-top: 8rem;
    background: var(--ivory);
}

.spread-hero .spread-right {
    background: linear-gradient(135deg, var(--prussian-blue) 0%, var(--ink-dark) 100%);
}

.spread-specimens .spread-left {
    background: linear-gradient(135deg, var(--viridian) 0%, var(--prussian-blue) 100%);
}

.spread-specimens .spread-right {
    background: var(--ivory);
}

.spread-marginalia .spread-left {
    background: var(--ivory);
}

.spread-marginalia .spread-right {
    background: linear-gradient(135deg, var(--crimson-lake) 0%, var(--prussian-purple) 100%);
}

.spread-archive .spread-left {
    background: linear-gradient(135deg, var(--prussian-purple) 0%, var(--prussian-blue) 100%);
}

.spread-archive .spread-right {
    background: var(--ivory);
}

/* --- Typography --- */
.marginal-label {
    font-family: var(--font-sc);
    font-size: 0.625rem;
    letter-spacing: 0.2em;
    color: var(--parchment);
    text-transform: uppercase;
    margin-bottom: 2rem;
    opacity: 0.65;
}

/* On ivory backgrounds, adjust label color */
.spread-hero .marginal-label,
.spread-specimens .spread-right .marginal-label,
.spread-marginalia .spread-left .marginal-label,
.spread-archive .spread-right .marginal-label {
    color: var(--amber-gold);
    opacity: 0.85;
}

.running-head {
    font-family: var(--font-sc);
    font-size: 0.625rem;
    letter-spacing: 0.25em;
    color: var(--parchment);
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    opacity: 0.5;
}

.display-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 5.5vw, 5.5rem);
    font-weight: 700;
    font-style: normal;
    line-height: 1.05;
    color: var(--ink-dark);
    margin-bottom: 2rem;
    letter-spacing: -0.01em;
}

.display-title em {
    font-style: italic;
    color: var(--amber-gold);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 4vw, 3.75rem);
    font-weight: 700;
    font-style: normal;
    line-height: 1.1;
    color: var(--ink-dark);
    margin-bottom: 1.75rem;
    letter-spacing: -0.01em;
}

/* Section titles on dark backgrounds */
.spread-specimens .section-title,
.spread-marginalia .spread-right .section-title,
.spread-archive .section-title {
    display: none; /* title is on opposite side */
}

/* Override for right-side titles on light backgrounds */
.spread-specimens .spread-right .section-title,
.spread-archive .spread-right .section-title {
    display: block;
    color: var(--ink-dark);
}

.section-title em {
    font-style: italic;
    color: var(--amber-gold);
}

.spread-body-text {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    line-height: 1.85;
    color: var(--ink-dark);
    max-width: 38ch;
}

.spread-body-text p {
    margin-bottom: 1.25em;
}

/* Dark background body text */
.spread-specimens .spread-left .spread-body-text {
    color: var(--ivory);
    opacity: 0.88;
}

.folio-number {
    font-family: var(--font-sc);
    font-size: 0.625rem;
    letter-spacing: 0.25em;
    color: var(--parchment);
    opacity: 0.4;
    position: absolute;
    bottom: 2rem;
    right: 3.5rem;
}

/* Ivory backgrounds — folio in dark ink */
.spread-hero .folio-number,
.spread-specimens .spread-right .folio-number,
.spread-marginalia .spread-left .folio-number,
.spread-archive .spread-right .folio-number {
    color: var(--ink-dark);
}

/* --- Botanical Illustrations (CSS Art) --- */
.botanical-illustration {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: crosshair;
}

.botanical-caption {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.species-name {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-style: italic;
    font-weight: 500;
    color: var(--ivory);
    letter-spacing: 0.03em;
    opacity: 0.9;
}

.species-common {
    font-family: var(--font-sc);
    font-size: 0.5625rem;
    letter-spacing: 0.2em;
    color: var(--parchment);
    opacity: 0.6;
    text-transform: uppercase;
}

/* Captions on dark image backgrounds */
#hero-botanical .species-name,
#specimen-botanical .species-name,
#foxglove-botanical .species-name {
    color: var(--parchment);
}

/* Captions on light/poppy background */
#poppy-botanical .species-name {
    color: var(--ivory);
}

/* --- Hero Botanical: Viola odorata --- */
#hero-botanical {
    padding: 4rem 2rem 6rem;
}

.botanical-stem {
    position: absolute;
    left: 50%;
    top: 15%;
    bottom: 20%;
    width: 2px;
    background: linear-gradient(to bottom, var(--viridian), rgba(45, 90, 61, 0.3));
    transform: translateX(-50%) rotate(3deg);
    transform-origin: bottom center;
}

.botanical-leaves {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.leaf {
    position: absolute;
    border-radius: 50% 5% 50% 5%;
    background: linear-gradient(135deg, var(--viridian), #1a3d28);
    transition: transform var(--micro-transition);
}

.leaf-1 {
    width: 70px;
    height: 40px;
    top: 35%;
    left: 38%;
    transform: rotate(-40deg);
    opacity: 0.9;
}

.leaf-2 {
    width: 55px;
    height: 32px;
    top: 42%;
    left: 52%;
    transform: rotate(30deg);
    opacity: 0.8;
}

.leaf-3 {
    width: 60px;
    height: 35px;
    top: 52%;
    left: 36%;
    transform: rotate(-55deg);
    opacity: 0.85;
}

.leaf-4 {
    width: 45px;
    height: 28px;
    top: 58%;
    left: 54%;
    transform: rotate(45deg);
    opacity: 0.75;
}

.botanical-blooms {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.bloom {
    position: absolute;
    border-radius: 50%;
    transition: transform var(--micro-transition);
}

.bloom::before,
.bloom::after {
    content: '';
    position: absolute;
    border-radius: 50% 0 50% 0;
    background: inherit;
}

.bloom-1 {
    width: 52px;
    height: 52px;
    top: 18%;
    left: 42%;
    background: radial-gradient(circle at 40% 40%, #9b5aa0, var(--prussian-purple));
    box-shadow: 0 0 20px rgba(123, 79, 140, 0.3);
}

.bloom-1::before {
    width: 48px;
    height: 20px;
    top: -15px;
    left: 2px;
    background: var(--prussian-purple);
    transform: rotate(-20deg);
    opacity: 0.8;
}

.bloom-1::after {
    width: 48px;
    height: 20px;
    bottom: -15px;
    left: 2px;
    background: #6b3572;
    transform: rotate(20deg);
    opacity: 0.7;
}

.bloom-2 {
    width: 44px;
    height: 44px;
    top: 26%;
    left: 58%;
    background: radial-gradient(circle at 40% 40%, #8b4a90, var(--prussian-purple));
    opacity: 0.85;
}

.bloom-2::before {
    width: 40px;
    height: 18px;
    top: -12px;
    left: 2px;
    background: var(--prussian-purple);
    transform: rotate(15deg);
}

.bloom-2::after {
    width: 40px;
    height: 18px;
    bottom: -12px;
    left: 2px;
    background: #5a2b60;
    transform: rotate(-15deg);
}

.bloom-3 {
    width: 36px;
    height: 36px;
    top: 23%;
    left: 35%;
    background: radial-gradient(circle at 40% 40%, var(--prussian-purple), #4a1f50);
    opacity: 0.7;
}

/* Hover micro-interaction: illustrations tremble */
.botanical-illustration:hover .leaf,
.botanical-illustration:hover .bloom {
    animation: micro-tremble 0.6s ease-out;
}

.leaf-1:hover,
.bloom-1:hover { transform: rotate(-42deg) !important; }
.leaf-2:hover  { transform: rotate(32deg)  !important; }
.leaf-3:hover  { transform: rotate(-57deg) !important; }
.leaf-4:hover  { transform: rotate(47deg)  !important; }

@keyframes micro-tremble {
    0%   { transform: rotate(var(--base-rot, 0deg)); }
    25%  { transform: rotate(calc(var(--base-rot, 0deg) + 2deg)); }
    50%  { transform: rotate(calc(var(--base-rot, 0deg) - 2deg)); }
    75%  { transform: rotate(calc(var(--base-rot, 0deg) + 1deg)); }
    100% { transform: rotate(var(--base-rot, 0deg)); }
}

/* --- Corner Ornaments --- */
.spread-ornament-corner {
    position: absolute;
    width: 80px;
    height: 80px;
    opacity: 0.25;
}

.spread-ornament-corner::before,
.spread-ornament-corner::after {
    content: '';
    position: absolute;
    border-color: var(--parchment);
    border-style: solid;
}

.top-right {
    top: 5rem;
    right: 2rem;
}

.top-right::before {
    top: 0;
    right: 0;
    width: 40px;
    height: 40px;
    border-width: 1px 1px 0 0;
}

.top-right::after {
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    border-width: 1px 1px 0 0;
}

.bottom-left {
    bottom: 5rem;
    left: 2rem;
}

.bottom-left::before {
    bottom: 0;
    left: 0;
    width: 40px;
    height: 40px;
    border-width: 0 0 1px 1px;
}

.bottom-left::after {
    bottom: 8px;
    left: 8px;
    width: 24px;
    height: 24px;
    border-width: 0 0 1px 1px;
}

/* --- Specimen Index --- */
.specimen-index {
    margin-top: 2.5rem;
    border-top: 1px solid rgba(212, 197, 169, 0.5);
    padding-top: 1.5rem;
}

.index-entry {
    display: grid;
    grid-template-columns: 2rem 1fr auto;
    align-items: baseline;
    gap: 0.75rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid rgba(212, 197, 169, 0.25);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.index-entry::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 0;
    height: 1px;
    background: var(--amber-gold);
    transition: width 0.4s ease;
}

.index-entry:hover::after {
    width: 100%;
}

.index-num {
    font-family: var(--font-sc);
    font-size: 0.625rem;
    color: var(--amber-gold);
    letter-spacing: 0.1em;
}

.index-name {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-style: italic;
    color: var(--ink-dark);
}

.index-date {
    font-family: var(--font-ui);
    font-size: 0.625rem;
    color: var(--parchment);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* --- Specimen Plate (Clematis) --- */
.specimen-plate {
    position: relative;
    width: 320px;
    height: 420px;
}

.plate-border {
    position: absolute;
    inset: 0;
    border: 1px solid rgba(212, 197, 169, 0.2);
}

.plate-border::before {
    content: '';
    position: absolute;
    inset: 8px;
    border: 1px solid rgba(212, 197, 169, 0.1);
}

.specimen-main {
    position: relative;
    width: 100%;
    height: 100%;
}

.clematis-vine {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.vine-tendril {
    position: absolute;
    border-radius: 50%;
    border: 2px solid rgba(45, 90, 61, 0.7);
    background: transparent;
}

.t-1 {
    width: 120px;
    height: 80px;
    top: 20%;
    left: 30%;
    transform: rotate(20deg);
    border-bottom-color: transparent;
    border-right-color: transparent;
}

.t-2 {
    width: 90px;
    height: 60px;
    top: 40%;
    left: 45%;
    transform: rotate(-30deg);
    border-top-color: transparent;
    border-left-color: transparent;
}

.t-3 {
    width: 70px;
    height: 50px;
    top: 55%;
    left: 25%;
    transform: rotate(45deg);
    border-bottom-color: transparent;
}

.clematis-flower {
    position: absolute;
    border-radius: 50%;
    transition: transform var(--micro-transition);
}

.cf-1 {
    width: 80px;
    height: 80px;
    top: 22%;
    left: 35%;
    background: radial-gradient(circle at 40% 35%, #d4f0e8, var(--viridian));
    box-shadow: 0 0 30px rgba(45, 90, 61, 0.4);
}

.cf-1::before {
    content: '';
    position: absolute;
    width: 25px;
    height: 25px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: radial-gradient(circle, var(--amber-gold), #8a5a18);
    box-shadow: 0 0 10px rgba(193, 127, 36, 0.5);
}

.cf-2 {
    width: 60px;
    height: 60px;
    top: 52%;
    left: 50%;
    background: radial-gradient(circle at 40% 35%, #b8e0d0, #1e4a30);
    opacity: 0.8;
}

.cf-2::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: var(--amber-gold);
    opacity: 0.8;
}

.clematis-bud {
    position: absolute;
    width: 20px;
    height: 32px;
    top: 15%;
    left: 55%;
    background: linear-gradient(to bottom, var(--viridian), #1a3d28);
    border-radius: 50% 50% 30% 30%;
    transform: rotate(15deg);
}

/* --- Marginal Notes --- */
.marginalia-block {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.marginal-note {
    display: grid;
    grid-template-columns: 1.5rem 1fr;
    gap: 0.75rem;
    align-items: start;
    padding: 1rem 1.25rem;
    border-left: 2px solid var(--parchment);
    background: rgba(212, 197, 169, 0.08);
    position: relative;
    transition: border-color 0.3s ease, background 0.3s ease;
    cursor: default;
}

.marginal-note:hover {
    border-color: var(--amber-gold);
    background: rgba(193, 127, 36, 0.06);
}

.note-mark {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--amber-gold);
    line-height: 1.4;
    font-style: italic;
}

.note-text {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    line-height: 1.75;
    color: var(--ink-dark);
    font-style: italic;
    opacity: 0.85;
}

/* --- Poppy (Papaver rhoeas) --- */
#poppy-botanical {
    padding: 3rem 2rem 6rem;
}

.poppy-stem {
    position: absolute;
    width: 2px;
    background: linear-gradient(to top, var(--viridian), rgba(45, 90, 61, 0.4));
    transform-origin: bottom center;
}

.ps-1 {
    bottom: 22%;
    left: 45%;
    height: 42%;
    transform: translateX(-50%) rotate(-5deg);
}

.ps-2 {
    bottom: 22%;
    left: 58%;
    height: 35%;
    transform: translateX(-50%) rotate(8deg);
}

.poppy-flower {
    position: absolute;
    top: 12%;
    left: 35%;
    width: 100px;
    height: 100px;
    transition: transform var(--micro-transition);
}

.petal {
    position: absolute;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, #e85c5c, var(--crimson-lake));
    opacity: 0.92;
    transition: transform var(--micro-transition);
}

.p-1 { top: 0;  left: 25%; transform: rotate(0deg);   }
.p-2 { top: 25%; right: 0; transform: rotate(90deg);  }
.p-3 { bottom: 0; left: 25%; transform: rotate(180deg); }
.p-4 { top: 25%; left: 0;  transform: rotate(270deg); }

.poppy-center {
    position: absolute;
    width: 28px;
    height: 28px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: radial-gradient(circle at 40% 40%, #2a2a2a, #111);
    box-shadow: 0 0 0 4px rgba(30, 30, 30, 0.4);
}

.poppy-bud {
    position: absolute;
    top: 14%;
    left: 58%;
}

.bud-sepal {
    width: 16px;
    height: 26px;
    background: var(--viridian);
    border-radius: 50% 50% 30% 30%;
    opacity: 0.85;
}

.poppy-leaves {
    position: absolute;
    bottom: 22%;
    left: 30%;
}

.poppy-leaf {
    position: absolute;
    width: 60px;
    height: 25px;
    background: linear-gradient(120deg, var(--viridian), #1a3d28);
    border-radius: 50% 5% 50% 5%;
    opacity: 0.8;
}

.pl-1 { transform: rotate(-30deg); top: -10px; left: 0; }
.pl-2 { transform: rotate(20deg);  top: -5px;  left: 25px; opacity: 0.65; }

/* --- Foxglove (Digitalis purpurea) --- */
#foxglove-botanical {
    padding: 3rem 2rem 6rem;
}

.foxglove-spike {
    position: absolute;
    left: 48%;
    top: 8%;
    bottom: 25%;
    width: 3px;
    background: linear-gradient(to bottom, rgba(45, 90, 61, 0.5), var(--viridian));
    transform: translateX(-50%);
}

.foxglove-bell {
    position: absolute;
    left: 50%;
    width: 50px;
    height: 35px;
    border-radius: 50% 50% 30% 30%;
    background: linear-gradient(135deg, #c090d0, var(--prussian-purple));
    transform: translateX(4px);
    box-shadow: inset 0 0 15px rgba(0,0,0,0.2);
    transition: transform var(--micro-transition);
}

.foxglove-bell::before {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 10px;
    right: 10px;
    height: 8px;
    background: rgba(255,255,255,0.15);
    border-radius: 50%;
}

/* Spots inside bell */
.foxglove-bell::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    box-shadow: -8px 4px 0 rgba(255,255,255,0.2), 8px 4px 0 rgba(255,255,255,0.2);
}

.fb-1 { top:  3%; opacity: 0.5; width: 30px; height: 22px; }
.fb-2 { top: 14%; opacity: 0.7; width: 38px; height: 28px; }
.fb-3 { top: 26%; opacity: 0.85; }
.fb-4 { top: 40%; }
.fb-5 { top: 55%; width: 55px; height: 40px; }

.foxglove-basal-leaves {
    position: absolute;
    bottom: 10%;
    left: 20%;
    right: 10%;
}

.foxglove-leaf {
    position: absolute;
    border-radius: 40% 5% 40% 5%;
    background: linear-gradient(135deg, var(--viridian), #1a3d28);
    opacity: 0.85;
    transition: transform var(--micro-transition);
}

.fl-1 {
    width: 100px;
    height: 38px;
    bottom: 0;
    left: 10%;
    transform: rotate(-15deg);
}

.fl-2 {
    width: 85px;
    height: 32px;
    bottom: 10px;
    left: 35%;
    transform: rotate(8deg);
    opacity: 0.7;
}

.fl-3 {
    width: 70px;
    height: 28px;
    bottom: 5px;
    left: 0;
    transform: rotate(-35deg);
    opacity: 0.6;
}

/* --- Archive Entries --- */
.archive-entries {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.archive-entry {
    padding: 1.25rem 0;
    border-bottom: 1px solid rgba(212, 197, 169, 0.3);
    cursor: pointer;
    position: relative;
    transition: padding-left 0.3s ease;
}

.archive-entry::before {
    content: '';
    position: absolute;
    left: -1.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 0;
    background: var(--amber-gold);
    transition: height 0.3s ease;
}

.archive-entry:hover {
    padding-left: 0.75rem;
}

.archive-entry:hover::before {
    height: 70%;
}

.entry-date {
    font-family: var(--font-sc);
    font-size: 0.5625rem;
    letter-spacing: 0.2em;
    color: var(--amber-gold);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
}

.entry-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-style: italic;
    color: var(--ink-dark);
    margin-bottom: 0.5rem;
}

.entry-excerpt {
    font-family: var(--font-body);
    font-size: 0.8rem;
    line-height: 1.7;
    color: var(--ink-dark);
    opacity: 0.65;
}

/* --- Colophon / Footer --- */
#colophon {
    background: var(--ink-dark);
    padding: 4rem 3rem;
}

.colophon-inner {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.colophon-ornament {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 200px;
}

.ornament-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--parchment), transparent);
    opacity: 0.3;
}

.ornament-fleuron {
    font-size: 1rem;
    color: var(--amber-gold);
    opacity: 0.7;
}

.colophon-text {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.colophon-title {
    font-family: var(--font-sc);
    font-size: 0.875rem;
    letter-spacing: 0.15em;
    color: var(--parchment);
    opacity: 0.9;
}

.colophon-sep {
    color: var(--parchment);
    opacity: 0.3;
}

.colophon-desc {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-style: italic;
    color: var(--parchment);
    opacity: 0.6;
}

.colophon-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
}

.colophon-meta span {
    font-family: var(--font-ui);
    font-size: 0.6875rem;
    letter-spacing: 0.08em;
    color: var(--parchment);
    opacity: 0.35;
    text-transform: uppercase;
}

.colophon-dot {
    opacity: 0.2 !important;
}

/* --- Scroll Reveal Animations --- */
.spread-left,
.spread-right {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.spread-left {
    transform: translateX(-24px);
}

.spread-right {
    transform: translateX(24px);
}

.spread-left.revealed,
.spread-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

/* Nav scroll state */
#site-nav.scrolled {
    background: rgba(247, 243, 236, 0.96);
    box-shadow: 0 1px 20px rgba(15, 31, 38, 0.06);
}

/* --- Cursor dot --- */
.cursor-dot {
    position: fixed;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--amber-gold);
    pointer-events: none;
    z-index: 1000;
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s, opacity 0.2s;
    opacity: 0;
    mix-blend-mode: multiply;
}

.cursor-ring {
    position: fixed;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid rgba(193, 127, 36, 0.5);
    pointer-events: none;
    z-index: 1000;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s, opacity 0.3s, border-color 0.3s;
    opacity: 0;
}

.cursor-dot.active,
.cursor-ring.active {
    opacity: 1;
}

.cursor-ring.near-botanical {
    width: 64px;
    height: 64px;
    border-color: rgba(193, 127, 36, 0.3);
}

/* --- Page turn line --- */
.page-turn-indicator {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
    z-index: 50;
}

.page-turn-indicator.visible {
    opacity: 1;
}

.page-turn-line {
    width: 1px;
    height: 32px;
    background: linear-gradient(to bottom, var(--parchment), transparent);
    animation: page-turn-pulse 2s ease-in-out infinite;
}

.page-turn-text {
    font-family: var(--font-sc);
    font-size: 0.5rem;
    letter-spacing: 0.25em;
    color: var(--parchment);
    text-transform: uppercase;
    opacity: 0.5;
}

@keyframes page-turn-pulse {
    0%, 100% { opacity: 0.3; transform: scaleY(1); }
    50%       { opacity: 0.8; transform: scaleY(1.1); }
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .spread {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .spread-specimens,
    .spread-archive {
        grid-template-columns: 1fr;
    }

    .spread-left,
    .spread-right {
        min-height: 60vh;
        padding: 5rem 2rem 3rem;
    }

    .spread-hero .spread-right {
        min-height: 70vw;
    }

    .spread-spine {
        display: none;
    }

    .nav-links {
        display: none;
    }

    .display-title {
        font-size: clamp(2.5rem, 8vw, 4rem);
    }

    .section-title {
        font-size: clamp(2rem, 6vw, 3rem);
    }
}