/* ===================================================================
   hil.st — Hebridean Hearth
   wabi-sabi hermitage, weather-log register
   =================================================================== */

:root {
    --bone-cream:   #E8E1D2;
    --oat-linen:    #D9CCB1;
    --peat-ink:     #3B342B;
    --birch-bark:   #6F5C45;
    --fog-grey:     #8F8170;
    --kiln-orange:  #A24D2A;
    --moss-shadow:  #4F5A4A;
    --smoke-black:  #1F1A14;

    --col-width:    58ch;
    --col-offset:   41vw;

    --font-display: "Cormorant Garamond", "Lora", Georgia, serif;
    --font-body:    "Lora", Georgia, "Times New Roman", serif;
    --font-mono:    "JetBrains Mono", "Courier New", monospace;
    --font-hand:    "Caveat", "Lora", cursive;
}

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

html, body {
    background-color: var(--bone-cream);
    color: var(--peat-ink);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.78;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body {
    position: relative;
    min-height: 100vh;
    overflow-x: hidden;
}

/* -------------------------------------------------------------------
   Texture system (triple overlay)
   ------------------------------------------------------------------- */

.page-grain {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1000;
    mix-blend-mode: multiply;
    opacity: 0.55;
}
.page-grain svg {
    width: 100%;
    height: 100%;
    display: block;
}

.page-fibers {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 998;
    background-image: repeating-linear-gradient(
        180deg,
        rgba(59, 52, 43, 0.03) 0px,
        rgba(59, 52, 43, 0.03) 1px,
        transparent 1px,
        transparent 4px
    );
    opacity: 0.65;
}

.page-fold {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 32vw;
    width: 30vw;
    pointer-events: none;
    z-index: 997;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(59, 52, 43, 0.06) 45%,
        rgba(59, 52, 43, 0.04) 55%,
        transparent 100%
    );
    opacity: 0.4;
}

/* -------------------------------------------------------------------
   Ledger column — asymmetric, off-center to the left
   ------------------------------------------------------------------- */

.ledger {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 6vh 0 4vh;
}

.chapter {
    position: relative;
    width: 100%;
    padding: 7vh 0 6vh;
}

.chapter:nth-child(odd) {
    background:
        linear-gradient(
            90deg,
            transparent 0,
            rgba(217, 204, 177, 0.18) 8vw,
            rgba(217, 204, 177, 0.18) 92vw,
            transparent 100%
        );
}

.chapter-body {
    position: relative;
    width: var(--col-width);
    max-width: 92vw;
    margin: 0 auto 0 var(--col-offset);
    padding: 0 1.4rem;
}

@media (max-width: 980px) {
    .chapter-body {
        margin-left: 6vw;
        margin-right: 4vw;
    }
}

@media (max-width: 640px) {
    .chapter-body {
        margin-left: 4vw;
        margin-right: 4vw;
        max-width: 92vw;
    }
}

/* -------------------------------------------------------------------
   Marginalia rail — right side
   ------------------------------------------------------------------- */

.margin-rail {
    position: absolute;
    top: 0;
    left: calc(var(--col-offset) + var(--col-width) + 2.4rem);
    right: 4vw;
    height: 100%;
    pointer-events: none;
}

@media (max-width: 1200px) {
    .margin-rail {
        left: auto;
        right: 4vw;
        width: 28vw;
    }
}

@media (max-width: 980px) {
    .margin-rail {
        position: relative;
        left: auto;
        right: auto;
        width: auto;
        margin: 0 4vw 1rem;
        height: auto;
        display: flex;
        gap: 1.6rem;
        flex-wrap: wrap;
    }
}

.margin-note {
    position: relative;
    margin-bottom: 4.5rem;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--birch-bark);
    letter-spacing: 0.04em;
    line-height: 1.6;
    max-width: 18rem;
}

.margin-note--top {
    margin-top: 1.2rem;
}

.margin-date {
    display: block;
    margin-bottom: 0.35rem;
}

.weather-glyph {
    display: block;
    margin-top: 0.2rem;
    opacity: 0.85;
}

.margin-note--roman {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: 1.15rem;
    color: var(--fog-grey);
    letter-spacing: 0.06em;
    margin-top: 9rem;
}

.margin-note--mosscup {
    margin-top: 14rem;
    transform-origin: 30px 50px;
    will-change: transform;
}

@media (max-width: 980px) {
    .margin-note--roman,
    .margin-note--mosscup {
        margin-top: 0;
    }
}

/* -------------------------------------------------------------------
   Wordmark and Threshold
   ------------------------------------------------------------------- */

.cup-emblem {
    margin-bottom: 1.6rem;
    opacity: 0.94;
}
.cup-emblem--large {
    margin-bottom: 2rem;
}
.cup-emblem--iv {
    transform: translateX(-4px);
}

.wordmark {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: clamp(2.6rem, 6vw, 5.4rem);
    line-height: 1;
    letter-spacing: -0.012em;
    color: var(--peat-ink);
    margin-bottom: 0.8rem;
    font-variation-settings: "opsz" 24;
}

.wordmark span {
    display: inline-block;
}

.wordmark .wordmark-h {
    transform: translateY(0.04em);
}
.wordmark .wordmark-i {
    transform: translateY(-0.02em) translateX(-0.02em);
    margin-left: -0.04em;
}
.wordmark .wordmark-l {
    transform: translateY(0.02em) translateX(-0.04em);
    margin-left: -0.06em;
    margin-right: 0.02em;
}
.wordmark .wordmark-dot {
    transform: translateY(0.06em) translateX(-0.05em);
    color: var(--kiln-orange);
    opacity: 0.88;
}
.wordmark .wordmark-st {
    font-style: italic;
    font-weight: 500;
    transform: translateY(-0.02em);
    color: var(--peat-ink);
}

.latin-tag {
    font-family: var(--font-display);
    font-weight: 300;
    font-style: italic;
    font-size: 1.5rem;
    color: var(--birch-bark);
    margin-bottom: 1.4rem;
    letter-spacing: 0.02em;
}

.date-stamp {
    font-family: var(--font-mono);
    font-size: 0.86rem;
    color: var(--birch-bark);
    letter-spacing: 0.05em;
    margin-bottom: 2rem;
    text-transform: lowercase;
}

.threshold-text {
    font-family: var(--font-body);
    font-size: 1.12rem;
    line-height: 1.78;
    color: var(--peat-ink);
    max-width: 52ch;
    letter-spacing: 0.008em;
}

@media (max-width: 640px) {
    .threshold-text { font-size: 1.04rem; }
}

/* -------------------------------------------------------------------
   Chapter headings & body
   ------------------------------------------------------------------- */

.chapter-heading {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: clamp(2.0rem, 4vw, 3.4rem);
    line-height: 1.08;
    letter-spacing: -0.01em;
    color: var(--peat-ink);
    margin-bottom: 0.6rem;
    font-variation-settings: "opsz" 18;
}

.body-text {
    font-family: var(--font-body);
    font-size: 1.12rem;
    line-height: 1.82;
    color: var(--peat-ink);
    margin-bottom: 1.4rem;
    text-align: left;
    letter-spacing: 0.008em;
}

.body-text em {
    font-style: italic;
    color: var(--peat-ink);
}

@media (max-width: 640px) {
    .body-text { font-size: 1.04rem; }
}

/* -------------------------------------------------------------------
   Ridge photograph (duotone, paper-aged)
   ------------------------------------------------------------------- */

.ridge-photo {
    margin: 1.8rem 0 2rem;
    position: relative;
}

.ridge-photo-inner {
    position: relative;
    width: 100%;
    overflow: hidden;
    border: 1px solid rgba(143, 129, 112, 0.35);
}

.ridge-photo-inner::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(
            0deg,
            rgba(31, 26, 20, 0.06) 0,
            rgba(31, 26, 20, 0.06) 1px,
            transparent 1px,
            transparent 6px
        );
    opacity: 0.55;
    pointer-events: none;
}

.ridge-photo-inner::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(232, 225, 210, 0.18), transparent 25%, transparent 80%, rgba(31, 26, 20, 0.18));
    pointer-events: none;
}

.ridge-caption {
    margin-top: 0.6rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--birch-bark);
    letter-spacing: 0.04em;
    line-height: 1.6;
    max-width: 50ch;
}

/* -------------------------------------------------------------------
   Section dividers (hand-drawn ink stroke)
   ------------------------------------------------------------------- */

.divider {
    width: 60vw;
    max-width: 700px;
    margin: 2vh auto 2vh var(--col-offset);
    opacity: 0.75;
    transform: translateY(0);
}

@media (max-width: 980px) {
    .divider {
        margin: 2vh 6vw;
        width: auto;
    }
}

.ink-stroke {
    stroke-dasharray: 800;
    stroke-dashoffset: 800;
    animation: draw-stroke 4s cubic-bezier(0.4, 0.0, 0.2, 1) forwards;
}

.divider[data-divider="1"] .ink-stroke { animation-delay: 0.3s; }
.divider[data-divider="2"] .ink-stroke { animation-delay: 0.5s; }
.divider[data-divider="3"] .ink-stroke { animation-delay: 0.7s; }
.divider[data-divider="4"] .ink-stroke { animation-delay: 0.9s; }
.divider[data-divider="5"] .ink-stroke { animation-delay: 1.1s; }

@keyframes draw-stroke {
    to { stroke-dashoffset: 0; }
}

/* -------------------------------------------------------------------
   The Cup chapter — kintsugi animation
   ------------------------------------------------------------------- */

.cup-emblem--large {
    margin: 0.4rem 0 2rem;
}

.kintsugi-large {
    animation: kintsugi-draw 3.2s cubic-bezier(0.32, 0, 0.4, 1) forwards;
    animation-delay: 1.6s;
}

@keyframes kintsugi-draw {
    to { stroke-dashoffset: 0; }
}

/* -------------------------------------------------------------------
   The Log — vertical list of micro-observations
   ------------------------------------------------------------------- */

.log-list {
    list-style: none;
    margin-top: 1.2rem;
    padding: 0;
    border-top: 1px solid rgba(143, 129, 112, 0.35);
}

.log-entry {
    display: grid;
    grid-template-columns: 5.4rem 1fr 2rem;
    gap: 1rem;
    align-items: baseline;
    padding: 0.95rem 0;
    border-bottom: 1px solid rgba(143, 129, 112, 0.28);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.7;
    color: var(--peat-ink);
    letter-spacing: 0.02em;
}

.log-entry .log-date {
    color: var(--birch-bark);
    font-weight: 500;
    letter-spacing: 0.06em;
}

.log-entry .log-body {
    color: var(--peat-ink);
}

.log-entry .log-glyph {
    text-align: right;
    opacity: 0.9;
}

.strikethrough {
    text-decoration: line-through;
    text-decoration-color: var(--birch-bark);
    color: var(--fog-grey);
    margin-right: 0.3rem;
}

.caveat-correction {
    font-family: var(--font-hand);
    font-size: 1.18rem;
    color: var(--peat-ink);
    letter-spacing: 0;
    line-height: 1;
    transform: translateY(-2px) rotate(-3deg);
    display: inline-block;
}

@media (max-width: 640px) {
    .log-entry {
        grid-template-columns: 4.2rem 1fr;
        gap: 0.6rem;
        font-size: 0.82rem;
    }
    .log-entry .log-glyph {
        grid-column: 1 / -1;
        text-align: left;
        margin-top: 0.2rem;
    }
}

/* -------------------------------------------------------------------
   The Silence — almost-empty section
   ------------------------------------------------------------------- */

.chapter--silence {
    padding: 22vh 0 22vh;
    text-align: center;
}

.chapter-body--centered {
    width: var(--col-width);
    max-width: 92vw;
    margin: 0 auto 0 var(--col-offset);
    text-align: center;
}

@media (max-width: 980px) {
    .chapter-body--centered {
        margin: 0 auto;
    }
}

.chapter-body--centered .cup-emblem {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
    opacity: 0.55;
}

.silence-phrase {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 300;
    font-size: clamp(1.8rem, 3.4vw, 2.6rem);
    color: var(--birch-bark);
    letter-spacing: 0.02em;
    line-height: 1.4;
}

/* -------------------------------------------------------------------
   The Hearth — footer-as-room
   ------------------------------------------------------------------- */

.hearth {
    position: relative;
    background-color: var(--smoke-black);
    color: var(--bone-cream);
    margin-top: 4vh;
    width: 100%;
    overflow: hidden;
}

.hearth-arrival {
    position: relative;
    width: 100%;
    height: 4px;
    overflow: hidden;
}

.hearth-arrival svg {
    display: block;
    width: 100%;
    height: 4px;
}

#kraft-line {
    transition: x2 2.4s cubic-bezier(0.4, 0, 0.4, 1);
}

.hearth-scene {
    position: relative;
    width: 100%;
    height: 32vh;
    min-height: 280px;
    overflow: hidden;
}

.hearth-svg {
    width: 100%;
    height: 100%;
    display: block;
}

.ember {
    transform-origin: center;
    animation: ember-pulse 5.55s cubic-bezier(0.4, 0, 0.4, 1) infinite;
}

@keyframes ember-pulse {
    0%, 100% { opacity: 0.4; }
    50%      { opacity: 0.7; }
}

.flame {
    transform-origin: 590px 270px;
    animation: flame-flicker 1.6s ease-in-out infinite;
}
.flame--alt {
    transform-origin: 615px 280px;
    animation-duration: 2.1s;
    animation-delay: -0.4s;
}

@keyframes flame-flicker {
    0%, 100% { transform: scaleY(1) translateY(0); opacity: 0.55; }
    50%      { transform: scaleY(0.92) translateY(2px); opacity: 0.7; }
}

/* hearth info — beam */

.hearth-info {
    position: relative;
    padding: 3rem 6vw 4rem;
    max-width: 1100px;
    margin: 0 auto;
    color: var(--bone-cream);
}

.beam {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.8rem 1.4rem;
    padding: 0.9rem 1.2rem;
    background: linear-gradient(180deg, rgba(31, 26, 20, 0.95), rgba(46, 36, 24, 0.92));
    border-top: 1px solid rgba(232, 225, 210, 0.08);
    border-bottom: 1px solid rgba(232, 225, 210, 0.05);
    margin-bottom: 1.6rem;
    font-family: var(--font-mono);
    font-size: 0.84rem;
    color: rgba(217, 204, 177, 0.9);
    letter-spacing: 0.04em;
}

.beam-tag {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1rem;
    color: var(--kiln-orange);
    margin-right: 0.4rem;
}

.beam-item {
    display: inline-flex;
    gap: 0.5rem;
    align-items: baseline;
}

.beam-label {
    color: var(--fog-grey);
    text-transform: lowercase;
    letter-spacing: 0.08em;
    font-size: 0.74rem;
}

.beam-value {
    color: rgba(232, 225, 210, 0.92);
}

.beam-sep {
    color: var(--birch-bark);
    opacity: 0.6;
}

.hearth-line {
    font-family: var(--font-body);
    font-size: 1.04rem;
    color: rgba(232, 225, 210, 0.86);
    line-height: 1.78;
    margin-bottom: 1.2rem;
    max-width: 60ch;
    letter-spacing: 0.01em;
}

.caveat-underline {
    font-family: var(--font-hand);
    font-size: 1.4rem;
    color: var(--kiln-orange);
    line-height: 1;
    display: inline-block;
    transform: translateY(-1px) rotate(-2deg);
    border-bottom: 1.5px solid var(--kiln-orange);
    padding-bottom: 1px;
}

.hearth-meta {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--fog-grey);
    letter-spacing: 0.08em;
    text-transform: lowercase;
}

.caveat-margin {
    font-family: var(--font-hand);
    font-size: 1.2rem;
    color: rgba(232, 225, 210, 0.88);
    letter-spacing: 0;
    transform: rotate(-2.5deg) translateY(-2px);
    display: inline-block;
}

/* -------------------------------------------------------------------
   Moss-cup nudge animation (handled in JS for sine easing)
   The CSS class is applied; JS rotates inline.
   ------------------------------------------------------------------- */

.moss-cup-svg {
    transform-origin: 30px 30px;
    will-change: transform;
}

/* -------------------------------------------------------------------
   First-paint state
   ------------------------------------------------------------------- */

.cup-emblem,
.wordmark,
.latin-tag,
.date-stamp,
.threshold-text,
.body-text,
.chapter-heading,
.log-list,
.silence-phrase,
.ridge-photo {
    opacity: 1;
}

/* -------------------------------------------------------------------
   Selection
   ------------------------------------------------------------------- */

::selection {
    background-color: rgba(162, 77, 42, 0.22);
    color: var(--peat-ink);
}