/* mujun.works — Neomorphism on vintage paper */

:root {
    --bg: #ede7db;
    --bg-light: #f7f2e8;
    --text-dark: #3d3529;
    --text-mid: #5a4f42;
    --green: #7a917a;
    --slate: #6e7b8a;
    --brown: #7a6e62;
    --terracotta: #b87a5a;
    --tan: #b8a88a;
    --shadow-light: #f7f2e8;
    --shadow-dark: #c9c0b2;
    --font-main: 'Commissioner', sans-serif;
    --font-mono: 'DM Mono', monospace;
}

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

html {
    scroll-behavior: smooth;
    scroll-snap-type: y proximity;
}

body {
    background: var(--bg);
    color: var(--text-dark);
    font-family: var(--font-main);
    font-weight: 400;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navigation */
.nav-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 3rem;
    pointer-events: none;
}

.nav-logo {
    font-family: var(--font-main);
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--text-dark);
    letter-spacing: -0.03em;
    pointer-events: auto;
}

.nav-dot {
    color: var(--terracotta);
}

.nav-spread-indicator {
    display: flex;
    gap: 0.5rem;
    pointer-events: auto;
}

.spread-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--tan);
    transition: all 0.4s ease;
    cursor: pointer;
    box-shadow: 2px 2px 4px var(--shadow-dark), -2px -2px 4px var(--shadow-light);
}

.spread-dot.active {
    background: var(--terracotta);
    transform: scale(1.4);
}

/* Spreads */
.spread {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 6rem;
    scroll-snap-align: start;
    position: relative;
}

.spread-grid {
    display: grid;
    gap: 4rem;
    width: 100%;
    max-width: 1400px;
    align-items: center;
}

.grid-60-40 {
    grid-template-columns: 1.5fr 1fr;
}

.grid-40-60 {
    grid-template-columns: 1fr 1.5fr;
}

/* Typography */
.spread-title {
    font-family: var(--font-main);
    font-weight: 800;
    font-size: clamp(2.4rem, 5vw, 4.2rem);
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.title-accent {
    color: var(--terracotta);
}

.spread-body {
    font-family: var(--font-main);
    font-weight: 300;
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    line-height: 1.7;
    color: var(--text-mid);
    max-width: 520px;
}

.mono-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--slate);
    display: block;
    margin-bottom: 0.75rem;
}

/* Neomorphic Cards */
.neo-card {
    background: var(--bg);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 8px 8px 16px var(--shadow-dark), -8px -8px 16px var(--shadow-light);
    margin-top: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.neo-card:hover {
    transform: translateY(-2px);
    box-shadow: 10px 10px 20px var(--shadow-dark), -10px -10px 20px var(--shadow-light);
}

.card-inset {
    box-shadow: inset 4px 4px 8px var(--shadow-dark), inset -4px -4px 8px var(--shadow-light);
}

.card-inset:hover {
    transform: none;
    box-shadow: inset 4px 4px 8px var(--shadow-dark), inset -4px -4px 8px var(--shadow-light);
}

.card-text {
    font-family: var(--font-main);
    font-weight: 400;
    font-size: 0.95rem;
    color: var(--text-mid);
    line-height: 1.5;
}

.card-large {
    padding: 2.5rem;
}

/* Works list */
.works-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.work-item {
    padding: 1.5rem 2rem;
}

.work-title {
    font-family: var(--font-main);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

/* Method steps */
.method-steps {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.method-step {
    font-family: var(--font-main);
    font-weight: 400;
    font-size: 0.95rem;
    color: var(--text-mid);
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--tan);
}

.step-num {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--terracotta);
    margin-right: 1rem;
}

/* Gradient Meshes */
.gradient-mesh {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 24px;
    position: relative;
    max-width: 400px;
}

.mesh-1 {
    background:
        radial-gradient(ellipse at 30% 20%, rgba(184, 122, 90, 0.6) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 60%, rgba(122, 145, 122, 0.5) 0%, transparent 45%),
        radial-gradient(ellipse at 50% 80%, rgba(110, 123, 138, 0.4) 0%, transparent 50%),
        radial-gradient(ellipse at 20% 70%, rgba(184, 168, 138, 0.5) 0%, transparent 40%);
    background-color: var(--bg-light);
    box-shadow: 8px 8px 16px var(--shadow-dark), -8px -8px 16px var(--shadow-light);
}

.mesh-2 {
    background:
        radial-gradient(ellipse at 60% 30%, rgba(122, 110, 98, 0.5) 0%, transparent 45%),
        radial-gradient(ellipse at 25% 70%, rgba(184, 122, 90, 0.4) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(122, 145, 122, 0.5) 0%, transparent 40%),
        radial-gradient(ellipse at 40% 50%, rgba(110, 123, 138, 0.3) 0%, transparent 55%);
    background-color: var(--bg-light);
    box-shadow: 8px 8px 16px var(--shadow-dark), -8px -8px 16px var(--shadow-light);
}

.mesh-3 {
    background:
        radial-gradient(ellipse at 45% 25%, rgba(110, 123, 138, 0.6) 0%, transparent 45%),
        radial-gradient(ellipse at 75% 65%, rgba(184, 168, 138, 0.5) 0%, transparent 50%),
        radial-gradient(ellipse at 20% 80%, rgba(184, 122, 90, 0.4) 0%, transparent 40%),
        radial-gradient(ellipse at 60% 50%, rgba(122, 145, 122, 0.3) 0%, transparent 50%);
    background-color: var(--bg-light);
    box-shadow: 8px 8px 16px var(--shadow-dark), -8px -8px 16px var(--shadow-light);
}

.mesh-4 {
    background:
        radial-gradient(ellipse at 35% 40%, rgba(122, 145, 122, 0.5) 0%, transparent 45%),
        radial-gradient(ellipse at 70% 20%, rgba(184, 122, 90, 0.4) 0%, transparent 40%),
        radial-gradient(ellipse at 50% 75%, rgba(110, 123, 138, 0.5) 0%, transparent 50%),
        radial-gradient(ellipse at 15% 60%, rgba(122, 110, 98, 0.3) 0%, transparent 45%);
    background-color: var(--bg-light);
    border-radius: 24px;
    width: 100%;
    aspect-ratio: 2/1;
    margin-top: 2rem;
    box-shadow: 8px 8px 16px var(--shadow-dark), -8px -8px 16px var(--shadow-light);
}

.mesh-5 {
    background:
        radial-gradient(ellipse at 55% 35%, rgba(184, 122, 90, 0.5) 0%, transparent 50%),
        radial-gradient(ellipse at 25% 60%, rgba(122, 145, 122, 0.4) 0%, transparent 45%),
        radial-gradient(ellipse at 80% 70%, rgba(184, 168, 138, 0.5) 0%, transparent 40%),
        radial-gradient(ellipse at 40% 20%, rgba(110, 123, 138, 0.3) 0%, transparent 50%);
    background-color: var(--bg-light);
    box-shadow: 8px 8px 16px var(--shadow-dark), -8px -8px 16px var(--shadow-light);
}

.mesh-6 {
    background:
        radial-gradient(ellipse at 40% 45%, rgba(110, 123, 138, 0.5) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 25%, rgba(122, 145, 122, 0.4) 0%, transparent 45%),
        radial-gradient(ellipse at 30% 75%, rgba(184, 122, 90, 0.5) 0%, transparent 40%),
        radial-gradient(ellipse at 65% 70%, rgba(122, 110, 98, 0.3) 0%, transparent 50%);
    background-color: var(--bg-light);
    box-shadow: 8px 8px 16px var(--shadow-dark), -8px -8px 16px var(--shadow-light);
}

/* Breathers */
.breather {
    height: 30vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.breather-line {
    width: 1px;
    height: 60%;
    background: linear-gradient(to bottom, transparent, var(--tan), transparent);
}

/* Animations */
.spread-primary,
.spread-secondary {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.spread.visible .spread-primary {
    opacity: 1;
    transform: translateY(0);
}

.spread.visible .spread-secondary {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s;
}

/* Responsive */
@media (max-width: 900px) {
    .spread {
        padding: 4rem 2rem;
    }

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

    .grid-60-40,
    .grid-40-60 {
        grid-template-columns: 1fr;
    }

    .gradient-mesh {
        max-width: 300px;
    }

    .nav-bar {
        padding: 1rem 1.5rem;
    }
}