/* ============================================================
   Shinpaisho.com — Ethereal Monochrome with Candlelight Accent
   Palette: #F2EDE6 (pale marble) / #EDE8E1 / #D8D2C9 / #9A9490 / #6B6157 / #2A2A2A / #1A1714 (near-black)
   Accent: #D4A96A (candle gold) / #9B6E3A (burnt amber)
   ============================================================ */

/* --- Reset & Base ------------------------------------------ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: #F2EDE6;
    color: #1A1714;
    font-family: 'EB Garamond', serif;
    font-size: clamp(1rem, 1.2vw, 1.2rem);
    line-height: 1.8;
    overflow-x: hidden;
}

/* --- CSS Custom Properties --------------------------------- */
:root {
    /* Typography scale */
    --display: clamp(4rem, 8vw, 9rem);
    --h1: clamp(2.5rem, 4vw, 4.5rem);
    --h2: clamp(1.5rem, 2.5vw, 2.5rem);
    --body: clamp(1rem, 1.2vw, 1.2rem);
    --caption: 0.8rem;
    --tracking-loose: 0.15em;
    --tracking-tight: -0.03em;
    --tracking-medium: 0.08em;

    /* Palette */
    --marble-pale: #F2EDE6;
    --marble-ash: #EDE8E1;
    --marble-stone: #D8D2C9;
    --marble-grey: #9A9490;
    --marble-warm: #6B6157;
    --charcoal: #2A2A2A;
    --near-black: #1A1714;
    --candle-gold: #D4A96A;
    --candle-amber: #9B6E3A;
    --parchment: #EDE8E1;
    --vein-cool: #E8E4DF;

    /* Grid */
    --max-width: 1400px;
    --col-gap: 24px;
    --section-pad: 0 40px;
}

/* --- Typography Classes ------------------------------------ */
.display {
    font-family: 'Cormorant Garamond', serif;
    font-size: var(--display);
    font-weight: 300;
    font-style: italic;
    letter-spacing: var(--tracking-tight);
    line-height: 0.95;
}

.headline {
    font-family: 'Cormorant Garamond', serif;
    font-size: var(--h2);
    font-weight: 600;
    letter-spacing: 0;
    line-height: 1.2;
}

.body {
    font-family: 'EB Garamond', serif;
    font-size: var(--body);
    line-height: 1.8;
}

.label {
    font-family: 'Libre Baskerville', serif;
    font-size: var(--caption);
    letter-spacing: var(--tracking-loose);
    font-variant: small-caps;
    text-transform: uppercase;
}

/* --- Grid System ------------------------------------------- */
.section-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    column-gap: var(--col-gap);
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--section-pad);
    position: relative;
    z-index: 2;
}

.block-main {
    grid-column: 1 / 7;
    padding: 100px 0 80px;
}

.block-pullquote {
    grid-column: 2 / 6;
    margin-top: -80px;
    padding: 0 0 60px;
    align-self: start;
    grid-row: 2;
}

.block-breathing {
    grid-column: 1 / -1;
    height: 160px;
    display: flex;
    align-items: center;
    grid-row: 3;
}

.block-offset {
    grid-column: 7 / 13;
    padding: 80px 0 80px;
    grid-row: 4;
}

/* --- Marble Background Layers ------------------------------ */
.section-opening,
.section-text,
.section-band,
.section-dark,
.section-closing {
    position: relative;
    overflow: hidden;
}

.marble-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    will-change: transform;
}

/* --- Section 1: Opening — Pale Carrara -------------------- */
.section-opening {
    background-color: var(--marble-pale);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.opening-inner {
    position: relative;
    z-index: 2;
    padding: 120px 40px 100px;
    max-width: var(--max-width);
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.opening-date {
    color: var(--marble-warm);
    margin-bottom: 60px;
    display: block;
}

.flame-container {
    margin-bottom: 24px;
}

.flame-svg {
    display: block;
    transition: filter 0.4s ease;
}

.flame-svg:hover {
    filter: drop-shadow(0 0 12px rgba(212, 169, 106, 0.53));
}

.opening-title {
    color: var(--near-black);
    display: block;
    max-width: 80%;
}

.opening-kanji {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(1.2rem, 2vw, 1.8rem);
    font-weight: 300;
    font-style: italic;
    color: var(--candle-gold);
    letter-spacing: 0.2em;
    margin-top: 16px;
}

.opening-sub {
    color: var(--marble-warm);
    margin-top: 32px;
}

/* --- Smoke animation (opening section only) --------------- */
@keyframes smokeRise {
    0% {
        stroke-dashoffset: 400;
        opacity: 0;
    }
    20% {
        opacity: 0.25;
    }
    80% {
        opacity: 0.15;
    }
    100% {
        stroke-dashoffset: 0;
        opacity: 0;
    }
}

.smoke-path {
    stroke: #D8D2C9;
    stroke-width: 1.5;
    fill: none;
    stroke-dasharray: 400;
    animation: smokeRise 8s ease-in-out infinite;
}

/* --- Section 2: Text Block — Pale Ash --------------------- */
.section-text {
    background-color: var(--marble-ash);
    min-height: 70vh;
}

.block-label {
    color: var(--marble-warm);
    display: block;
    margin-bottom: 28px;
}

.block-heading {
    color: var(--near-black);
    margin-bottom: 36px;
    text-align: left;
}

.block-body {
    color: var(--charcoal);
    text-align: left;
}

.block-body p + p {
    margin-top: 20px;
}

.pullquote-text {
    color: var(--near-black);
    text-align: left;
    line-height: 0.9;
    opacity: 0.85;
}

.pullquote-attr {
    display: block;
    color: var(--marble-warm);
    margin-top: 20px;
}

.breathing-rule {
    width: 40%;
    height: 1px;
    background-color: var(--charcoal);
    opacity: 0.4;
    margin-left: 0;
}

.block-body-right {
    padding-top: 20px;
}

.accent-date {
    display: block;
    color: var(--candle-gold);
    margin-top: 32px;
}

/* --- Wax Drip Dividers ------------------------------------- */
.wax-divider {
    position: relative;
    z-index: 3;
    background-color: transparent;
    line-height: 0;
    pointer-events: none;
}

.wax-divider-flip {
    transform: scaleX(-1);
}

.wax-divider-dark {
    background-color: var(--near-black);
}

/* --- Section 3: Image Band — Mid-Grey Travertine ----------- */
.section-band {
    background-color: var(--marble-warm);
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 80px 40px;
}

.band-content {
    position: relative;
    z-index: 2;
    max-width: var(--max-width);
    width: 100%;
    margin: 0 auto;
    text-align: right;
}

.band-label {
    display: block;
    color: var(--marble-stone);
    margin-bottom: 20px;
}

.band-text {
    color: var(--parchment);
    font-size: clamp(1.8rem, 3.5vw, 3.5rem);
    font-weight: 400;
    line-height: 1.15;
    text-align: right;
}

/* --- Section 4: Two-Column Dark Calacatta ----------------- */
.section-dark {
    background-color: var(--near-black);
    min-height: 70vh;
}

.section-grid-dark {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    column-gap: var(--col-gap);
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--section-pad);
    position: relative;
    z-index: 2;
}

.dark-block-left {
    grid-column: 1 / 6;
    padding: 100px 0 80px;
}

.dark-block-right {
    grid-column: 7 / 13;
    padding: 100px 0 80px;
    position: relative;
}

.dark-label {
    color: var(--marble-stone);
    display: block;
    margin-bottom: 24px;
}

.dark-label-right {
    color: var(--marble-stone);
    display: block;
    margin-bottom: 24px;
}

.dark-heading {
    color: var(--parchment);
    margin-bottom: 32px;
}

.accent-gold {
    color: var(--candle-gold);
}

.dark-body {
    color: var(--marble-stone);
}

.dark-body p + p {
    margin-top: 20px;
}

.dark-body-right {
    font-family: 'EB Garamond', serif;
    font-size: var(--body);
    line-height: 1.8;
    color: var(--marble-stone);
}

.dark-body-right p + p {
    margin-top: 20px;
}

.dark-flame-accent {
    position: absolute;
    bottom: 80px;
    right: 0;
    opacity: 0.9;
    transition: filter 0.4s ease;
}

.dark-flame-accent:hover {
    filter: drop-shadow(0 0 16px rgba(212, 169, 106, 0.6));
}

/* --- Section 5: Closing — Near-Dark ----------------------- */
.section-closing {
    background-color: var(--near-black);
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.closing-inner {
    position: relative;
    z-index: 2;
    width: 100%;
    text-align: center;
    padding: 80px 40px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.closing-flame-container {
    margin-bottom: 32px;
    transition: filter 0.4s ease;
}

.closing-flame-container:hover {
    filter: drop-shadow(0 0 16px rgba(212, 169, 106, 0.6));
}

.closing-text {
    color: var(--parchment);
    display: block;
    text-align: center;
    margin-bottom: 28px;
}

.closing-label {
    color: var(--marble-warm);
    display: block;
    margin-bottom: 0;
}

.closing-rule {
    width: 100%;
    margin-top: 60px;
    line-height: 0;
}

/* --- Responsive ------------------------------------------- */
@media (max-width: 1024px) {
    :root {
        --display: clamp(3rem, 7vw, 6rem);
        --h2: clamp(1.4rem, 3vw, 2.2rem);
    }

    .block-main {
        grid-column: 1 / -1;
        padding: 60px 0 40px;
    }

    .block-pullquote {
        grid-column: 1 / 8;
        margin-top: 0;
        padding: 20px 0 40px;
        grid-row: auto;
    }

    .block-offset {
        grid-column: 1 / -1;
        padding: 40px 0 60px;
        grid-row: auto;
    }

    .dark-block-left,
    .dark-block-right {
        grid-column: 1 / -1;
        padding: 60px 0 40px;
    }

    .section-band {
        justify-content: flex-start;
        text-align: left;
    }

    .band-text,
    .band-content {
        text-align: left;
    }
}

@media (max-width: 640px) {
    :root {
        --display: clamp(2.8rem, 12vw, 5rem);
        --section-pad: 0 24px;
    }

    .opening-inner {
        padding: 80px 24px 60px;
    }

    .opening-title {
        max-width: 100%;
    }

    .section-band {
        padding: 60px 24px;
    }

    .closing-inner {
        padding: 60px 24px 0;
    }

    .block-breathing {
        height: 100px;
    }
}