:root {
    --background-primary: #f5efe6;
    --background-depth: #ebe3d6;
    --foreground-primary: #3a2e24;
    --foreground-secondary: #5c4a3a;
    --accent-warm: #8b6f47;
    --accent-gold: #c4a882;
    --leather-shadow: #2a1f16;
    --highlight-glow: #d4a56a;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: #f5efe6;
    color: #5c4a3a;
    overflow-x: hidden;
    font-family: 'Lora', Georgia, 'Times New Roman', serif;
    font-size: clamp(1rem, 1.15vw, 1.2rem);
    line-height: 1.85;
}

body::before,
body::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
}

body::before {
    z-index: 0;
    background: #f5efe6;
    filter: url(#leather-grain);
    opacity: 1;
}

body::after {
    z-index: 1;
    background:
        radial-gradient(circle at 16% 18%, rgba(212, 165, 106, 0.22), transparent 24%),
        radial-gradient(circle at 84% 78%, rgba(196, 168, 130, 0.18), transparent 28%),
        radial-gradient(circle at center, transparent 42%, rgba(42, 31, 22, 0.14) 100%);
    mix-blend-mode: multiply;
}

.texture-source {
    position: absolute;
    width: 0;
    height: 0;
}

.top-rule {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    z-index: 60;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    border-bottom: 1px solid #c4a882;
    background: rgba(245, 239, 230, 0.86);
    box-shadow: 0 1px 18px rgba(42, 31, 22, 0.05);
}

.nav-wordmark {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: clamp(1.18rem, 2.4vw, 1.75rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #3a2e24;
    text-decoration: none;
}

.hamburger {
    width: 34px;
    height: 24px;
    border: 0;
    background: transparent;
    display: grid;
    gap: 6px;
    cursor: pointer;
    padding: 0;
}

.hamburger span {
    height: 2px;
    width: 34px;
    border-radius: 999px;
    background: #5c4a3a;
    transform-origin: center;
    transition: transform 300ms ease, opacity 240ms ease;
}

.hamburger.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.menu-overlay {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(42, 31, 22, 0.97);
    opacity: 0;
    visibility: hidden;
    transition: opacity 360ms ease, visibility 0ms linear 360ms;
}

.menu-overlay.active {
    opacity: 1;
    visibility: visible;
    transition-delay: 0ms;
}

.menu-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.55rem;
}

.menu-panel a {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: clamp(1.9rem, 4vw, 2.4rem);
    font-style: italic;
    line-height: 1.1;
    color: #c4a882;
    text-decoration: none;
    opacity: 0;
    transform: translateX(-20px);
    transition: transform 600ms ease, opacity 600ms ease, color 240ms ease;
}

.menu-overlay.active .menu-panel a { opacity: 1; transform: translateX(0); }
.menu-overlay.active .menu-panel a:nth-child(1) { transition-delay: 120ms; }
.menu-overlay.active .menu-panel a:nth-child(2) { transition-delay: 240ms; }
.menu-overlay.active .menu-panel a:nth-child(3) { transition-delay: 360ms; }
.menu-overlay.active .menu-panel a:nth-child(4) { transition-delay: 480ms; }
.menu-panel a:hover { color: #d4a56a; }

main {
    position: relative;
    z-index: 2;
}

.story-panel {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 84px clamp(1.25rem, 4vw, 4rem) 2rem;
    background:
        linear-gradient(135deg, rgba(245, 239, 230, 0.96), rgba(235, 227, 214, 0.72)),
        #f5efe6;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.story-panel.in-view {
    opacity: 1;
    transform: translateY(0);
}

.story-panel + .story-panel {
    border-top: 1px solid rgba(196, 168, 130, 0.48);
}

.panel-grain {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at center, transparent 34%, rgba(42, 31, 22, 0.13) 100%),
        linear-gradient(120deg, rgba(196, 168, 130, 0.12), transparent 34%, rgba(139, 111, 71, 0.08));
    filter: url(#leather-grain);
    pointer-events: none;
    z-index: 0;
}

.coordinate-grid {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(196,168,130,0.15) 1px, transparent 1px),
        linear-gradient(90deg, rgba(196,168,130,0.15) 1px, transparent 1px),
        linear-gradient(rgba(196,168,130,0.3) 1px, transparent 1px),
        linear-gradient(90deg, rgba(196,168,130,0.3) 1px, transparent 1px);
    background-size: 48px 48px, 48px 48px, 192px 192px, 192px 192px;
    mask-image: radial-gradient(circle at center, black 0%, black 34%, transparent 76%);
    opacity: 0;
}

.coordinate-grid::before,
.coordinate-grid::after {
    content: "";
    position: absolute;
    inset: 0;
    transform-origin: left top;
    background: inherit;
    opacity: 0;
}

.story-panel.in-view .coordinate-grid {
    animation: grid-arrive 900ms ease forwards;
}

.story-panel.in-view .coordinate-grid::before {
    clip-path: inset(0 100% 0 0);
    animation: draw-horizontal 1150ms ease forwards 120ms;
}

.story-panel.in-view .coordinate-grid::after {
    clip-path: inset(0 0 100% 0);
    animation: draw-vertical 1150ms ease forwards 560ms;
}

@keyframes grid-arrive { to { opacity: 1; } }
@keyframes draw-horizontal { 0% { opacity: 0.6; clip-path: inset(0 100% 0 0); } 100% { opacity: 0; clip-path: inset(0 0 0 0); } }
@keyframes draw-vertical { 0% { opacity: 0.6; clip-path: inset(0 0 100% 0); } 100% { opacity: 0; clip-path: inset(0 0 0 0); } }

.axis-cross {
    position: absolute;
    z-index: 3;
    background: rgba(139, 111, 71, 0.58);
    box-shadow: 0 0 20px rgba(196, 168, 130, 0.22);
    transform-origin: center;
}

.axis-horizontal { left: 0; right: 0; top: 50%; height: 1px; }
.axis-vertical { top: 0; bottom: 0; left: 50%; width: 1px; }

.origin-mark {
    position: relative;
    z-index: 4;
    text-align: center;
}

.mono-note {
    font-family: 'IBM Plex Mono', 'Courier New', monospace;
    font-size: 0.85rem;
    letter-spacing: 0.06em;
    color: #8b6f47;
    margin-bottom: 0.5rem;
    opacity: 0.72;
    animation: note-pulse 5s ease-in-out infinite;
}

h1 {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: clamp(4rem, 10vw, 9rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 0.9;
    color: #3a2e24;
    text-shadow: 0 1px 0 rgba(245, 239, 230, 0.8), 0 18px 42px rgba(42, 31, 22, 0.11);
}

@keyframes note-pulse { 50% { opacity: 1; } }

.compass-rose {
    position: absolute;
    right: clamp(1.5rem, 4vw, 3rem);
    bottom: clamp(1.5rem, 4vw, 3rem);
    z-index: 4;
    width: 48px;
    height: 48px;
    opacity: 0.4;
    animation: compass-turn 120s linear infinite;
}

@keyframes compass-turn { to { transform: rotate(360deg); } }

.field-wrap {
    position: relative;
    z-index: 4;
    width: min(1040px, 92vw);
    display: grid;
    grid-template-columns: 38% 62%;
    align-items: center;
    min-height: calc(100vh - 120px);
}

.field-label {
    justify-self: center;
    font-family: 'Lora', Georgia, serif;
    font-weight: 700;
    color: #5c4a3a;
    letter-spacing: 0.12em;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
}

.field-copy p {
    max-width: 42ch;
    font-size: clamp(1rem, 1.15vw, 1.2rem);
    line-height: 1.85;
    color: #5c4a3a;
}

em {
    font-family: 'Playfair Display', Georgia, serif;
    font-style: italic;
    color: #8b6f47;
}

.gallery-grid {
    position: relative;
    z-index: 4;
    width: min(900px, 92vw);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(1rem, 2.6vw, 2rem);
}

.gallery-cell {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    cursor: pointer;
    display: grid;
    place-items: center;
    border: 1px solid #c4a882;
    background:
        radial-gradient(circle at 28% 18%, rgba(255, 255, 255, 0.25), transparent 18%),
        linear-gradient(145deg, rgba(245, 239, 230, 0.4), rgba(235, 227, 214, 0.92)),
        #ebe3d6;
    box-shadow: inset 0 1px 12px rgba(196, 168, 130, 0.2), 0 0 0 rgba(42, 31, 22, 0);
    transition: transform 300ms cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 300ms ease;
}

.gallery-cell::before {
    content: "";
    position: absolute;
    inset: 0;
    filter: url(#leather-grain);
    opacity: 0.7;
}

.gallery-cell:hover {
    transform: translateY(-2px) scale(1.012);
    box-shadow: inset 0 1px 12px rgba(196, 168, 130, 0.26), 0 14px 28px rgba(42, 31, 22, 0.11);
}

.ripple-circle {
    position: absolute;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #d4a56a;
    opacity: 0.4;
    transform: translate(-50%, -50%) scale(0);
    pointer-events: none;
    z-index: 5;
    animation: ripple-expand 600ms ease-out forwards;
}

@keyframes ripple-expand {
    0% { transform: translate(-50%, -50%) scale(0); opacity: 0.4; }
    100% { transform: translate(-50%, -50%) scale(4); opacity: 0; }
}

.gallery-cell svg {
    position: relative;
    z-index: 2;
    width: 78%;
    height: 78%;
}

.axis,
.ink,
.dash,
.glow,
.link path,
.contour {
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.axis { stroke: #3a2e24; stroke-width: 0.75; opacity: 0.74; }
.ink { stroke: #5c4a3a; stroke-width: 1.5; }
.dash { stroke: #c4a882; stroke-width: 1.5; stroke-dasharray: 3 4; opacity: 0.85; }
.glow { stroke: #d4a56a; stroke-width: 1.5; fill: rgba(212, 165, 106, 0.08); }
.link path { stroke: #d4a56a; stroke-width: 1.5; }
.contour { stroke-width: 1.5; }
.c1 { stroke: #3a2e24; }
.c2 { stroke: #5c4a3a; opacity: 0.82; }
.c3 { stroke: #8b6f47; opacity: 0.68; }
.c4 { stroke: #c4a882; opacity: 0.55; }

.datum-wrap {
    position: relative;
    z-index: 4;
    text-align: center;
}

.datum {
    font-family: 'IBM Plex Mono', 'Courier New', monospace;
    font-size: clamp(1.2rem, 3vw, 2rem);
    letter-spacing: 0.06em;
    color: #8b6f47;
    margin-bottom: 1.1rem;
}

.datum-wrap p:last-child {
    max-width: 56ch;
    color: #5c4a3a;
}

.datum-wrap a {
    color: #8b6f47;
    text-decoration-color: #c4a882;
    text-underline-offset: 0.2em;
    transition: color 240ms ease;
}

.datum-wrap a:hover { color: #d4a56a; }

@media (max-width: 760px) {
    .top-rule { height: 58px; padding: 0 1.1rem; }
    .story-panel { padding-top: 72px; }
    .field-wrap { grid-template-columns: 1fr; gap: 2rem; align-content: center; }
    .field-label { writing-mode: horizontal-tb; transform: none; justify-self: start; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 460px) {
    .gallery-grid { gap: 0.8rem; }
    .hamburger, .hamburger span { width: 30px; }
    h1 { font-size: clamp(3.2rem, 18vw, 5rem); }
}

/*
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