/* ============================================
   musical.quest - Swiss Celestial Score
   ============================================ */
:root {
    --roasted-umber: #2C1810;
    --warm-vellum: #FAF3EB;
    --antiqued-gold: #8B6914;
    --desert-terracotta: #D4A574;
    --burnt-sienna: #6B3A2A;
    --sage-undertone: #7A8B6E;
    --parchment-cream: #E8DBC4;
    --bronze-shadow: #3D2B1F;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; font-synthesis: none; }
body {
    background: var(--roasted-umber);
    color: var(--warm-vellum);
    font-family: 'Source Sans 3', sans-serif;
    font-weight: 400;
    font-size: clamp(1rem, 1.2vw, 1.125rem);
    line-height: 1.72;
    letter-spacing: 0.01em;
    overflow-x: hidden;
}

/* --- Navigation Staff Dots --- */
.staff-nav {
    position: fixed;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 16px;
    opacity: 0.5;
    transition: opacity 400ms ease;
}
.staff-nav:hover { opacity: 1; }
.staff-nav__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--desert-terracotta);
    opacity: 0.4;
    transition: opacity 300ms ease, transform 300ms ease;
    display: block;
}
.staff-nav__dot.active {
    opacity: 1;
    animation: dotActive 2s ease-in-out infinite;
}
@keyframes dotActive {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.3); opacity: 1; }
}

/* --- Movement Base --- */
.movement {
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}
.movement--dark {
    background: linear-gradient(180deg, var(--roasted-umber) 0%, var(--bronze-shadow) 100%);
}
.movement--light {
    background: var(--warm-vellum);
}
.movement--transition {
    background: var(--roasted-umber);
}
.movement--tall { min-height: 120vh; }
.movement--extra-tall { min-height: 130vh; }

/* --- Bokeh Layer --- */
.bokeh-layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}
.bokeh {
    position: absolute;
    left: var(--bx);
    top: var(--by);
    width: var(--bs);
    height: var(--bs);
    border-radius: 50%;
    background: var(--bc);
    filter: blur(40px);
    will-change: transform;
    animation: bokehDrift var(--bd, 90s) linear infinite;
}
@keyframes bokehDrift {
    0% { transform: translate(0, 0); }
    25% { transform: translate(30px, -20px); }
    50% { transform: translate(-15px, 25px); }
    75% { transform: translate(20px, 10px); }
    100% { transform: translate(0, 0); }
}

/* --- Star Field --- */
.star-field {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}
.star-dot {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--desert-terracotta);
    border-radius: 50%;
    opacity: 0.3;
    animation: starPulse var(--dur, 4s) ease-in-out infinite;
    animation-delay: var(--delay, 0s);
}
@keyframes starPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

/* --- Overture --- */
.overture-content {
    position: absolute;
    top: 61.8%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 1;
}
.overture-title {
    font-family: 'Libre Baskerville', serif;
    font-weight: 700;
    font-size: clamp(8rem, 18vw, 22rem);
    letter-spacing: -0.02em;
    line-height: 1;
    color: var(--warm-vellum);
}
.overture-domain {
    font-family: 'Source Sans 3', sans-serif;
    font-weight: 400;
    font-size: 1rem;
    letter-spacing: 0.45em;
    text-transform: uppercase;
    color: var(--desert-terracotta);
    margin-top: 1rem;
    font-variant: small-caps;
}

/* --- Fermata Marker --- */
.fermata-mark {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

/* --- First Theme Flow --- */
.theme-flow {
    max-width: 1440px;
    margin: 0 auto;
    padding: clamp(6rem, 12vh, 10rem) clamp(2rem, 4vw, 48px);
    position: relative;
    z-index: 1;
}
.theme-block {
    max-width: 580px;
    margin-bottom: clamp(4rem, 8vh, 8rem);
    margin-left: calc(var(--col-offset, 0) * 8%);
}
.star-mark {
    margin-bottom: 0.75rem;
    opacity: 0.7;
}
.drop-cap {
    font-family: 'Libre Baskerville', serif;
    font-weight: 700;
    float: left;
    font-size: 4.5em;
    line-height: 0.8;
    margin-right: 0.08em;
    color: var(--antiqued-gold);
}
.body-text {
    font-family: 'Source Sans 3', sans-serif;
    font-weight: 300;
    font-size: clamp(1rem, 1.2vw, 1.125rem);
    line-height: 1.72;
    color: var(--warm-vellum);
}
.pull-quote {
    font-family: 'Cormorant', serif;
    font-weight: 300;
    font-style: italic;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    line-height: 1.3;
    color: var(--desert-terracotta);
    padding: 0;
    margin: 0;
    text-indent: -0.4em;
}
.pull-quote p { margin: 0; }

/* --- Development Section --- */
.staff-system {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}
.staff-line {
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--antiqued-gold);
    opacity: 0.15;
}
.development-grid {
    position: relative;
    z-index: 1;
    width: 100%;
    min-height: 130vh;
}
.dev-card {
    position: absolute;
    top: var(--card-top);
    left: var(--card-left);
    width: clamp(260px, 30vw, 380px);
    background: rgba(44, 24, 16, 0.85);
    border: 1px solid rgba(212, 165, 116, 0.15);
    padding: clamp(1rem, 2vw, 1.5rem);
}
.counter {
    font-family: 'Source Sans 3', sans-serif;
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--antiqued-gold);
    display: block;
    margin-bottom: 0.5rem;
}
.card-heading {
    font-family: 'Libre Baskerville', serif;
    font-weight: 700;
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    color: var(--warm-vellum);
    margin-bottom: 0.5rem;
}
.card-body {
    font-family: 'Source Sans 3', sans-serif;
    font-weight: 300;
    font-size: clamp(0.9rem, 1vw, 1rem);
    line-height: 1.65;
    color: var(--parchment-cream);
}

/* --- Slow Movement --- */
.slow-layout {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    min-height: 100vh;
    max-width: 1440px;
    margin: 0 auto;
    padding: clamp(4rem, 8vw, 8rem) clamp(2rem, 4vw, 48px);
    gap: 2rem;
}
.slow-text--upper {
    grid-column: 1;
    grid-row: 1;
    align-self: start;
}
.slow-text--lower {
    grid-column: 3;
    grid-row: 2;
    align-self: end;
}
.slow-constellation {
    grid-column: 2;
    grid-row: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.constellation-svg {
    width: clamp(200px, 30vw, 400px);
    height: auto;
}
.star-node {
    animation: starPulse 5s ease-in-out infinite;
}
.constellation-label {
    font-family: 'Libre Baskerville', serif;
    font-style: italic;
    font-weight: 400;
    font-size: 1rem;
    color: var(--desert-terracotta);
    margin-top: 1rem;
    letter-spacing: 0.1em;
}

/* --- Scherzo --- */
.scherzo-wave {
    position: relative;
    min-height: 120vh;
    width: 100%;
    z-index: 1;
}
.capsule {
    position: absolute;
    left: var(--wave-x);
    top: var(--wave-y);
}
.capsule--text {
    width: clamp(220px, 24vw, 280px);
    background: var(--warm-vellum);
    color: var(--roasted-umber);
    padding: clamp(1rem, 2vw, 1.5rem);
}
.capsule--icon {
    width: 80px;
    height: 80px;
    background: var(--roasted-umber);
    border: 1px solid rgba(212, 165, 116, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}
.capsule-text {
    font-family: 'Libre Baskerville', serif;
    font-weight: 400;
    font-size: clamp(0.85rem, 1vw, 0.95rem);
    line-height: 1.55;
    color: var(--roasted-umber);
    margin: 0;
}

/* --- Finale --- */
.movement--light {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}
.finale-constellation {
    margin-bottom: 2rem;
}
.finale-svg {
    width: clamp(150px, 20vw, 200px);
    height: auto;
}
.finale-star {
    transform: translate(var(--sx, 0), var(--sy, 0));
    opacity: 0;
    transition: transform 3s ease-out, opacity 2s ease-out;
}
.finale-line {
    opacity: 0;
    transition: opacity 3s ease-out 2s;
}
.movement--light.assembled .finale-star {
    transform: translate(0, 0);
    opacity: 1;
}
.movement--light.assembled .finale-line {
    opacity: 0.4;
}
.finale-content {
    text-align: center;
}
.finale-text {
    font-family: 'Cormorant', serif;
    font-weight: 300;
    font-style: italic;
    font-size: clamp(3rem, 8vw, 6rem);
    color: var(--roasted-umber);
    letter-spacing: 0.1em;
}

/* --- Reveal System --- */
[data-reveal] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
[data-reveal].visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 768px) {
    .slow-layout {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
    }
    .slow-text--upper,
    .slow-text--lower,
    .slow-constellation {
        grid-column: 1;
        grid-row: auto;
    }
    .dev-card {
        position: relative;
        top: auto;
        left: auto;
        width: 100%;
        margin-bottom: 1.5rem;
    }
    .development-grid {
        min-height: auto;
        padding: clamp(2rem, 4vw, 4rem);
    }
    .capsule {
        position: relative;
        left: auto;
        top: auto;
        margin-bottom: 1rem;
    }
    .capsule--icon {
        display: none;
    }
    .scherzo-wave {
        min-height: auto;
        padding: clamp(2rem, 4vw, 4rem);
    }
    .staff-nav {
        flex-direction: row;
        top: auto;
        bottom: 16px;
        right: 50%;
        transform: translateX(50%);
    }
    .overture-title {
        font-size: clamp(4rem, 14vw, 8rem);
    }
    .theme-block {
        margin-left: 0;
        padding: 0 clamp(1rem, 4vw, 2rem);
    }
}