/* gabs.day — scandinavian functional shop
   A scroll-driven dawn-to-dusk meditation.
   Colors: #f0f3f7 #3d4a5c #b8c5d0 #d4956a #2a3f3a #f7f2eb #e4e9f0
   Fonts:  Cormorant Garamond, DM Sans, IBM Plex Mono
*/

:root {
    --dawn-white:  #f0f3f7;
    --fjord-blue:  #3d4a5c;
    --birch-gray:  #b8c5d0;
    --amber-dusk:  #d4956a;
    --pine-deep:   #2a3f3a;
    --cream-warm:  #f7f2eb;
    --mist-pale:   #e4e9f0;

    /* live, scroll-driven tokens — updated by JS */
    --bg-color: var(--dawn-white);
    --text-color: var(--fjord-blue);
    --accent-color: var(--birch-gray);
    --bg-warmth: 0;          /* 0 cool → 1 warm */

    --font-display: 'Cormorant Garamond', 'Lora', Georgia, serif;
    --font-body:    'DM Sans', 'Inter', system-ui, sans-serif;
    --font-mono:    'IBM Plex Mono', 'Space Mono', ui-monospace, monospace;

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

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

html, body {
    width: 100%;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-body);
    font-weight: 400;
    font-size: clamp(0.95rem, 1.2vw, 1.15rem);
    line-height: 1.75;
    letter-spacing: 0.01em;
    transition:
        background-color 800ms var(--reveal-ease),
        color 800ms var(--reveal-ease);
    min-height: 100vh;
    position: relative;
}

::selection {
    background: var(--amber-dusk);
    color: var(--cream-warm);
}

/* ---------- gradient wash (fixed atmospheric tint) ---------- */
.gradient-wash {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    background: linear-gradient(
        to bottom,
        rgba(240, 243, 247, 1) 0%,
        rgba(240, 243, 247, 0.6) 30%,
        rgba(247, 242, 235, 0.6) 70%,
        rgba(247, 242, 235, 1) 100%
    );
    mix-blend-mode: normal;
    opacity: 0.55;
    transition: opacity 800ms var(--reveal-ease);
}

/* ---------- hanja watermark ---------- */
.hanja-watermark {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(0deg);
    transform-origin: center center;
    font-family: var(--font-display);
    font-weight: 300;
    font-size: 40vw;
    line-height: 1;
    color: var(--pine-deep);
    opacity: 0.04;
    pointer-events: none;
    z-index: 2;
    user-select: none;
    will-change: transform, opacity, color;
    transition:
        opacity 1.6s var(--reveal-ease),
        color 1.6s var(--reveal-ease);
}

.hanja-watermark.is-finale {
    opacity: 0.85;
    color: var(--amber-dusk);
}

/* ---------- wordmark ---------- */
.wordmark {
    position: fixed;
    top: clamp(1.4rem, 2.4vw, 2.2rem);
    left: clamp(1.4rem, 3vw, 2.6rem);
    z-index: 30;
    display: flex;
    align-items: baseline;
    gap: 0.6rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-color);
    opacity: 1;
    transition: opacity 1.2s var(--reveal-ease);
}

.wordmark-glyph {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 300;
    letter-spacing: 0;
    line-height: 1;
    color: var(--pine-deep);
}

.wordmark.is-dim {
    opacity: 0.2;
}

/* ---------- time dots navigation ---------- */
.time-dots {
    position: fixed;
    top: 0;
    left: 92%;
    height: 100vh;
    width: 1px;
    z-index: 30;
    pointer-events: none;
}

.time-line {
    position: absolute;
    top: 12vh;
    bottom: 12vh;
    left: 50%;
    width: 1px;
    background: var(--birch-gray);
    opacity: 0.4;
    transform: translateX(-50%);
}

.time-dot {
    position: absolute;
    left: 50%;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--dawn-white);
    border: 1px solid var(--birch-gray);
    transform: translate(-50%, -50%);
    transition:
        background 600ms var(--reveal-ease),
        border-color 600ms var(--reveal-ease),
        transform 600ms var(--reveal-ease);
    pointer-events: auto;
    cursor: pointer;
    text-decoration: none;
    opacity: 0.7;
}

.time-dot[data-index="0"] { top: 12vh; }
.time-dot[data-index="1"] { top: 31vh; }
.time-dot[data-index="2"] { top: 50vh; }
.time-dot[data-index="3"] { top: 69vh; }
.time-dot[data-index="4"] { top: 88vh; }

.time-dot.is-passed {
    background: var(--amber-dusk);
    border-color: var(--amber-dusk);
}

.time-dot.is-active {
    background: var(--amber-dusk);
    border-color: var(--amber-dusk);
    transform: translate(-50%, -50%) scale(1.5);
    opacity: 1;
}

.dot-label {
    position: absolute;
    right: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    white-space: nowrap;
    color: var(--text-color);
    opacity: 0;
    transition: opacity 400ms var(--reveal-ease);
}

.time-dot:hover .dot-label,
.time-dot.is-active .dot-label {
    opacity: 0.7;
}

/* ---------- scroll container ---------- */
.scroll-container {
    position: relative;
    z-index: 10;
    width: 100%;
    scroll-snap-type: y proximity;
}

/* ---------- module ---------- */
.module {
    position: relative;
    min-height: 100vh;
    width: 100%;
    padding: clamp(4rem, 10vh, 9rem) clamp(1.5rem, 8vw, 8rem);
    display: flex;
    align-items: center;
    scroll-snap-align: start;
    scroll-snap-stop: normal;
    overflow: hidden;
}

.module:not(:first-child) {
    margin-top: 30vh;
}

.module-dawn      { min-height: 100vh; }
.module-morning   { min-height: 90vh; }
.module-midday    { min-height: 100vh; }
.module-afternoon { min-height: 80vh; }
.module-dusk      { min-height: 100vh; background: transparent; }

.module-inner {
    position: relative;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    z-index: 4;
}

.module-tag {
    position: absolute;
    bottom: clamp(1.4rem, 3vh, 2.6rem);
    right: clamp(2rem, 11vw, 9rem);
    color: var(--text-color);
    opacity: 0.35;
    z-index: 5;
}

.mono {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

/* ---------- horizon line ---------- */
.horizon-line {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--birch-gray);
    opacity: 0.3;
    z-index: 3;
    transform-origin: center;
    will-change: transform;
}

/* ---------- reveal animation hooks ---------- */
[data-reveal] {
    opacity: 0;
    transform: translateY(20px);
    transition:
        opacity 0.8s var(--reveal-ease),
        transform 0.8s var(--reveal-ease);
}

[data-reveal].is-revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- breath animation ---------- */
@keyframes breath {
    0%, 100% { transform: scale(1); }
    50%      { transform: scale(1.005); }
}

.breath {
    animation: breath 6s ease-in-out infinite;
    transform-origin: center center;
}

/* =============================================================
   MODULE 1 — DAWN
   ============================================================= */
.module-dawn .module-inner {
    display: flex;
    justify-content: center;
}

.dawn-stack {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: clamp(1.6rem, 4vh, 3.4rem);
    margin-top: -8vh; /* offset above horizon */
}

.hero-hanja {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: clamp(4rem, 12vw, 10rem);
    letter-spacing: 0.04em;
    line-height: 0.9;
    color: var(--pine-deep);
}

.hero-meta {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    font-family: var(--font-display);
    font-weight: 300;
    font-size: clamp(1.2rem, 2.4vw, 2rem);
    letter-spacing: 0.06em;
    color: var(--text-color);
}

.hero-roman {
    font-style: italic;
}

.hero-divider {
    display: inline-block;
    width: 2.4rem;
    height: 1px;
    background: var(--birch-gray);
}

.hero-date {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.hero-caption {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 300;
    font-size: clamp(1rem, 1.4vw, 1.3rem);
    letter-spacing: 0.04em;
    color: var(--text-color);
    opacity: 0.8;
}

/* =============================================================
   MODULE 2 — MORNING
   ============================================================= */
.module-morning .module-inner {
    padding: 4vh 0;
}

.morning-grid {
    position: relative;
    width: 100%;
    min-height: 60vh;
}

.prose-block {
    position: relative;
    max-width: 30ch;
    z-index: 2;
}

.prose-block--left {
    margin-left: 20%;
    margin-top: 4vh;
}

.prose-block--right {
    margin-left: 55%;
    margin-top: 15vh;
    text-align: left;
}

.block-label {
    display: block;
    color: var(--text-color);
    opacity: 0.55;
    margin-bottom: 1rem;
}

.block-heading {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: clamp(1.6rem, 3.4vw, 2.6rem);
    line-height: 1.2;
    letter-spacing: 0.02em;
    color: var(--text-color);
    margin-bottom: 1.2rem;
}

.block-body {
    font-family: var(--font-body);
    color: var(--text-color);
    opacity: 0.78;
    max-width: 28ch;
}

.connector-line {
    position: absolute;
    top: calc(4vh + 1.6rem);
    left: calc(20% + 30ch * 0.5);
    width: 35%;
    height: 1px;
    background: var(--birch-gray);
    opacity: 0.5;
    transform-origin: left;
    z-index: 1;
}

/* =============================================================
   MODULE 3 — MIDDAY
   ============================================================= */
.module-midday .module-inner {
    display: flex;
    justify-content: center;
}

.bento {
    display: grid;
    grid-template-columns: 1.618fr 1fr;
    grid-template-rows: 1fr 1fr;
    grid-template-areas:
        "wide   tall"
        "square tall"
        "square narrow";
    gap: clamp(0.8rem, 1.4vw, 1.6rem);
    width: min(60vw, 880px);
    height: 60vh;
    min-height: 480px;
}

.bento-cell {
    position: relative;
    background: rgba(228, 233, 240, 0.55);
    border: 1px solid var(--mist-pale);
    padding: clamp(1.2rem, 2vw, 2rem);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: background 800ms var(--reveal-ease),
                border-color 800ms var(--reveal-ease);
}

.bento-cell--wide   { grid-area: wide;   aspect-ratio: 1.618 / 1; }
.bento-cell--tall   { grid-area: tall; }
.bento-cell--square { grid-area: square; }
.bento-cell--narrow { grid-area: narrow; }

.cell-label {
    color: var(--text-color);
    opacity: 0.55;
}

.cell-figure {
    display: flex;
    align-items: baseline;
    gap: 0.6rem;
    font-family: var(--font-display);
    font-weight: 300;
    color: var(--pine-deep);
    line-height: 1;
}

.cell-num {
    font-size: clamp(2.6rem, 5.4vw, 4.6rem);
    letter-spacing: 0.02em;
    font-variant-numeric: tabular-nums;
}

.cell-unit {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-color);
    opacity: 0.6;
}

.cell-detail {
    font-family: var(--font-body);
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--text-color);
    opacity: 0.78;
    max-width: 32ch;
}

/* =============================================================
   MODULE 4 — AFTERNOON
   ============================================================= */
.module-afternoon .module-inner {
    display: flex;
    justify-content: center;
}

.reading-column {
    max-width: 42ch;
    margin-top: -15vh; /* offset 15% above center */
    position: relative;
}

.reading-label {
    display: block;
    color: var(--text-color);
    opacity: 0.55;
    margin-bottom: 1.2rem;
}

.reading-heading {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.18;
    letter-spacing: 0.02em;
    color: var(--text-color);
    margin-bottom: 1.6rem;
}

.reading-column p {
    font-family: var(--font-body);
    margin-bottom: 1.4rem;
    color: var(--text-color);
    opacity: 0.85;
}

.reading-column em {
    font-family: var(--font-display);
    font-style: italic;
    color: var(--pine-deep);
    letter-spacing: 0.02em;
}

.pullquote {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 300;
    font-size: clamp(1.3rem, 2vw, 1.7rem);
    line-height: 1.4;
    letter-spacing: 0.02em;
    color: var(--pine-deep);
    margin: 2.2rem 0 2.2rem -2.4rem;
    padding-left: 1.4rem;
    border-left: 1px solid var(--amber-dusk);
    max-width: 36ch;
    opacity: 0;
    transform: translateX(-20px);
    transition:
        opacity 1s var(--reveal-ease),
        transform 1s var(--reveal-ease);
}

.pullquote.is-emerged {
    opacity: 1;
    transform: translateX(0);
}

/* =============================================================
   MODULE 5 — DUSK
   ============================================================= */
.module-dusk {
    background: linear-gradient(
        to bottom,
        rgba(247, 242, 235, 0) 0%,
        rgba(247, 242, 235, 0.95) 40%,
        rgba(247, 242, 235, 1) 100%
    );
}

.module-dusk .module-inner {
    display: flex;
    justify-content: center;
}

.dusk-stack {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: clamp(2rem, 5vh, 4rem);
    margin-top: -6vh;
}

.dusk-hanja {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: clamp(5rem, 14vw, 12rem);
    line-height: 0.9;
    letter-spacing: 0.04em;
    color: var(--amber-dusk);
}

.dusk-line {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 300;
    font-size: clamp(1.1rem, 1.8vw, 1.5rem);
    line-height: 1.6;
    letter-spacing: 0.04em;
    color: var(--pine-deep);
    max-width: 34ch;
}

.dusk-foot {
    display: flex;
    gap: 2.4rem;
    flex-wrap: wrap;
    justify-content: center;
    color: var(--text-color);
    opacity: 0.5;
}

/* =============================================================
   COLOR-WARMTH SCROLL TRANSITION (driven by JS via classes)
   ============================================================= */
body.is-warm {
    --bg-color:    var(--cream-warm);
    --text-color:  var(--pine-deep);
    --accent-color: var(--amber-dusk);
}

body.is-warm .gradient-wash { opacity: 0.85; }

body.is-warm .bento-cell {
    background: rgba(247, 242, 235, 0.6);
    border-color: rgba(212, 149, 106, 0.3);
}

/* =============================================================
   RESPONSIVE — collapse to single column under 768px
   ============================================================= */
@media (max-width: 768px) {

    .hanja-watermark { font-size: 60vw; }

    .wordmark {
        top: 1rem;
        left: 1rem;
    }

    /* Time dots → bottom horizontal indicator */
    .time-dots {
        top: auto;
        bottom: 1.2rem;
        left: 50%;
        transform: translateX(-50%);
        height: auto;
        width: auto;
        display: flex;
        align-items: center;
        gap: 1.6rem;
        padding: 0.6rem 1rem;
    }

    .time-line { display: none; }

    .time-dot {
        position: relative;
        top: auto !important;
        left: auto;
        transform: none;
    }
    .time-dot.is-active { transform: scale(1.4); }
    .dot-label { display: none; }

    .module {
        padding: 6rem 5vw 6rem;
    }

    .module:not(:first-child) {
        margin-top: 18vh;
    }

    .module-tag {
        right: 5vw;
        bottom: 4rem;
        font-size: 0.62rem;
    }

    /* Morning: stack */
    .prose-block--left,
    .prose-block--right {
        margin-left: 0;
        margin-top: 4vh;
        max-width: 100%;
    }
    .prose-block--right { margin-top: 6vh; }
    .connector-line { display: none; }

    /* Midday: single column bento */
    .bento {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        grid-template-areas:
            "wide"
            "tall"
            "square"
            "narrow";
        width: 100%;
        height: auto;
        min-height: 0;
    }
    .bento-cell--wide { aspect-ratio: auto; }
    .bento-cell { padding: 1.4rem; min-height: 18vh; }

    /* Afternoon */
    .reading-column {
        margin-top: -6vh;
        max-width: 100%;
        padding: 0 4vw;
    }
    .pullquote {
        margin-left: 0;
        padding-left: 1rem;
    }

    .hero-meta {
        flex-direction: column;
        gap: 0.8rem;
    }
    .hero-divider { width: 3rem; }
}

@media (prefers-reduced-motion: reduce) {
    .breath { animation: none; }
    [data-reveal] {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .pullquote {
        opacity: 1;
        transform: none;
    }
    body, .hanja-watermark, .gradient-wash {
        transition: none;
    }
}