/* =========================================================
   munj.uk (v2) — neubrutalism, single-column, earth-tones
   Palette:
     #F5F0E8 parchment    (primary background)
     #1A1810 earth dark   (borders, text, shadow)
     #B8947A clay warm    (accent, flowing curves)
     #8A9878 sage muted   (secondary accent)
     #E8E4DC marble white (interlude bg)
     #C8A860 foxed amber  (tertiary accent)
     #5A4838 leather brown(footer / dark)
     #3A3228 dark earth   (footer text / deep border)
   Fonts: EB Garamond (serif), Inter (UI), Noto Serif KR (Korean)
   ========================================================= */

:root {
    --c-parchment:   #F5F0E8;
    --c-earth-dark:  #1A1810;
    --c-clay:        #B8947A;
    --c-sage:        #8A9878;
    --c-marble:      #E8E4DC;
    --c-foxed:       #C8A860;
    --c-leather:     #5A4838;
    --c-dark-earth:  #3A3228;

    --unit: 24px;
    --col-max: 720px;
    --border-w: 3px;
    --shadow-off: 4px;
    --shadow-off-hover: 8px;

    --font-serif: "EB Garamond", Georgia, "Times New Roman", serif;
    --font-ui:    "Inter", system-ui, -apple-system, sans-serif;
    --font-kr:    "Noto Serif KR", "EB Garamond", serif;
}

/* ---------- Reset / base ---------- */

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

html,
body {
    background: var(--c-parchment);
    color: var(--c-earth-dark);
    font-family: var(--font-serif);
    font-size: 17px;
    line-height: 1.85;
    overflow-x: hidden;
}

body {
    min-height: 100vh;
    /* Subtle paper warmth — radial wash, no gradient slope */
    background-image:
        radial-gradient(circle at 20% 10%, rgba(200, 168, 96, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 80% 90%, rgba(184, 148, 122, 0.06) 0%, transparent 45%);
}

img,
svg {
    display: block;
    max-width: 100%;
}

.svg-defs {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
}

em,
i {
    font-style: italic;
}

/* ---------- Viewport frame (animated 3px border) ---------- */

.viewport-frame {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 50;
}

.frame-svg {
    width: 100%;
    height: 100%;
}

.frame-rect {
    stroke: var(--c-earth-dark);
    stroke-width: 3;
    fill: none;
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    transition: stroke-dashoffset 1000ms cubic-bezier(0.6, 0.04, 0.4, 1);
}

.viewport-frame.drawn .frame-rect {
    stroke-dashoffset: 0;
}

/* ---------- Shared meta-tag (Inter UI label) ---------- */

.meta-tag {
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--c-earth-dark);
    display: inline-block;
}

.meta-right {
    text-align: right;
}

/* ===========================================================
   SECTION 1 — First Statement (hero, 100vh)
   =========================================================== */

.first-statement {
    min-height: 100vh;
    padding: calc(var(--unit) * 2) calc(var(--unit) * 1.5);
    display: grid;
    grid-template-rows: auto 1fr auto;
    gap: var(--unit);
    position: relative;
}

.hero-meta,
.hero-foot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: var(--col-max);
    margin: 0 auto;
    opacity: 0;
    transition: opacity 600ms ease;
}

.hero-meta.visible,
.hero-foot.visible {
    opacity: 1;
}

.hero-stack {
    align-self: center;
    width: 100%;
    max-width: var(--col-max);
    margin: 0 auto;
    text-align: left;
}

.hero-domain {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: clamp(48px, 9vw, 110px);
    line-height: 1;
    letter-spacing: 0;
    color: var(--c-earth-dark);
    margin-bottom: calc(var(--unit) * 0.75);
    display: block;
}

.hero-domain .char {
    display: inline-block;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 400ms ease, transform 400ms ease;
}

.hero-domain .char.dot {
    color: var(--c-clay);
}

.hero-domain.typed .char {
    opacity: 1;
    transform: translateY(0);
}

.hero-korean {
    display: flex;
    align-items: baseline;
    gap: calc(var(--unit) * 0.75);
    margin-bottom: var(--unit);
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 700ms ease, transform 700ms ease;
}

.hero-korean.visible {
    opacity: 1;
    transform: translateY(0);
}

.korean-glyph {
    font-family: var(--font-kr);
    font-weight: 500;
    font-size: clamp(36px, 5vw, 64px);
    color: var(--c-earth-dark);
    line-height: 1;
}

.korean-roman {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: clamp(18px, 1.3vw, 22px);
    color: var(--c-leather);
}

.hero-gloss {
    font-family: var(--font-serif);
    font-size: clamp(17px, 1.2vw, 20px);
    line-height: 1.7;
    max-width: 560px;
    color: var(--c-dark-earth);
    margin-bottom: calc(var(--unit) * 1.5);
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 700ms ease 200ms, transform 700ms ease 200ms;
}

.hero-gloss.visible {
    opacity: 1;
    transform: translateY(0);
}

.hero-divider {
    width: 100%;
    height: 60px;
    opacity: 0;
    transition: opacity 600ms ease 400ms;
}

.hero-divider.visible {
    opacity: 1;
}

/* Curve-svg shared style */
.curve-svg {
    width: 100%;
    height: 100%;
    overflow: visible;
}

.curve-svg path {
    stroke-dasharray: 4000;
    stroke-dashoffset: 4000;
    transition: stroke-dashoffset 1200ms ease;
}

.curve-svg.drawn path {
    stroke-dashoffset: 0;
}

/* ===========================================================
   SECTION 2 — Priority Stack (single column of cards)
   =========================================================== */

.priority-stack {
    max-width: var(--col-max);
    margin: 0 auto;
    padding: calc(var(--unit) * 3) calc(var(--unit) * 1.5) calc(var(--unit) * 4);
    display: flex;
    flex-direction: column;
    gap: calc(var(--unit) * 2);
}

/* ---------- Cards (neubrutalist) ---------- */

.card {
    --rot: 0deg;
    background: var(--c-parchment);
    border: var(--border-w) solid var(--c-earth-dark);
    box-shadow: var(--shadow-off) var(--shadow-off) 0 var(--c-earth-dark);
    padding: calc(var(--unit) * 0.85);
    position: relative;
    transform: rotate(var(--rot)) translate(0, 0);
    transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 250ms cubic-bezier(0.4, 0, 0.2, 1),
                opacity 400ms ease;
    will-change: transform, box-shadow;
}

/* Skeleton state */
.card.skeleton .card-title,
.card.skeleton .card-body p {
    color: transparent;
    background: linear-gradient(
        90deg,
        rgba(26, 24, 16, 0.10) 0%,
        rgba(26, 24, 16, 0.18) 50%,
        rgba(26, 24, 16, 0.10) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 1.4s linear infinite;
    border-radius: 2px;
}

.card.skeleton .card-title {
    height: 1.4em;
    margin-bottom: 0.6em;
}

.card.skeleton .card-body p {
    height: 0.9em;
    margin-bottom: 0.4em;
}

.card.skeleton .card-body p:nth-child(1) { width: 100%; }
.card.skeleton .card-body p:nth-child(2) { width: 90%; }

.card.skeleton .card-tag,
.card.skeleton .card-num {
    color: transparent;
    background: rgba(26, 24, 16, 0.15);
    border-radius: 2px;
}

.card.revealed .card-title,
.card.revealed .card-body p,
.card.revealed .card-tag,
.card.revealed .card-num {
    color: inherit;
    background: none;
    animation: none;
    border-radius: 0;
    height: auto;
    transition: color 400ms ease;
}

@keyframes shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Card hover — lift away from shadow */
@media (hover: hover) {
    .card:hover {
        transform: rotate(0deg) translate(-2px, -2px);
        box-shadow: var(--shadow-off-hover) var(--shadow-off-hover) 0 var(--c-earth-dark);
    }
}

/* Tilt variants via nth-child fallback */
.card:nth-child(1)  { --rot: -0.6deg; }
.card:nth-child(2)  { --rot:  0.4deg; }
.card:nth-child(3)  { --rot: -0.3deg; }
.card:nth-child(5)  { --rot:  0.7deg; }
.card:nth-child(6)  { --rot: -0.5deg; }
.card:nth-child(7)  { --rot:  0.5deg; }
.card:nth-child(9)  { --rot: -0.7deg; }
.card:nth-child(10) { --rot:  0.3deg; }

/* Card head row */
.card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--unit);
    padding-bottom: calc(var(--unit) * 0.4);
    margin-bottom: calc(var(--unit) * 0.5);
    border-bottom: 1.5px solid var(--c-earth-dark);
}

.card-num {
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.08em;
    color: var(--c-clay);
}

.card-tag {
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--c-earth-dark);
    background: var(--c-foxed);
    padding: 3px 8px;
    border: 1.5px solid var(--c-earth-dark);
    border-radius: 4px;
}

.card-title {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: clamp(24px, 2.2vw, 32px);
    line-height: 1.2;
    color: var(--c-earth-dark);
    margin-bottom: calc(var(--unit) * 0.6);
}

.card-body p {
    margin-bottom: calc(var(--unit) * 0.6);
}

.card-body p:last-child {
    margin-bottom: 0;
}

.card-body em {
    color: var(--c-leather);
}

/* ===========================================================
   Marble Interludes (full-bleed, between cards)
   =========================================================== */

.marble-interlude {
    position: relative;
    margin: calc(var(--unit) * 1.5) calc(var(--unit) * -1.5);
    padding: calc(var(--unit) * 3) calc(var(--unit) * 1.5);
    background: var(--c-marble);
    border-top: var(--border-w) solid var(--c-earth-dark);
    border-bottom: var(--border-w) solid var(--c-earth-dark);
    overflow: hidden;
}

.marble-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-color: var(--c-marble);
    background-image:
        radial-gradient(ellipse 60% 40% at 30% 30%, rgba(184, 148, 122, 0.18) 0%, transparent 60%),
        radial-gradient(ellipse 50% 30% at 70% 60%, rgba(90, 72, 56, 0.10) 0%, transparent 60%),
        radial-gradient(ellipse 40% 50% at 50% 80%, rgba(200, 168, 96, 0.10) 0%, transparent 70%),
        repeating-linear-gradient(
            104deg,
            transparent 0 14px,
            rgba(184, 148, 122, 0.045) 14px 16px,
            transparent 16px 32px
        ),
        repeating-linear-gradient(
            73deg,
            transparent 0 22px,
            rgba(90, 72, 56, 0.035) 22px 24px,
            transparent 24px 50px
        );
    opacity: 0.55;
    transition: opacity 700ms ease;
}

.marble-interlude.visible .marble-bg {
    opacity: 1;
}

.marble-quote {
    position: relative;
    z-index: 1;
    max-width: 560px;
    margin: 0 auto;
    text-align: center;
    font-family: var(--font-serif);
    font-style: italic;
    font-size: clamp(20px, 2vw, 28px);
    line-height: 1.5;
    color: var(--c-dark-earth);
}

.marble-quote p {
    margin-bottom: calc(var(--unit) * 0.8);
}

.marble-quote footer {
    font-family: var(--font-ui);
    font-style: normal;
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--c-leather);
}

.interlude-curve {
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 100%;
    height: 50px;
    z-index: 1;
}

/* ===========================================================
   SECTION 3 — Foundation footer (worn leather)
   =========================================================== */

.foundation {
    min-height: 100vh;
    background: var(--c-leather);
    color: var(--c-marble);
    position: relative;
    padding: calc(var(--unit) * 3) calc(var(--unit) * 1.5);
    display: grid;
    place-items: center;
    overflow: hidden;
}

.leather-grain {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse at 20% 30%, rgba(58, 50, 40, 0.6) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 70%, rgba(26, 24, 16, 0.5) 0%, transparent 65%),
        repeating-linear-gradient(
            38deg,
            rgba(26, 24, 16, 0.18) 0 1px,
            transparent 1px 4px
        ),
        repeating-linear-gradient(
            128deg,
            rgba(245, 240, 232, 0.04) 0 1px,
            transparent 1px 6px
        );
    opacity: 0.85;
    mix-blend-mode: multiply;
}

.foundation::before {
    /* Stitched-border dashed */
    content: "";
    position: absolute;
    inset: calc(var(--unit) * 0.75);
    border: 2px dashed rgba(245, 240, 232, 0.5);
    pointer-events: none;
}

.foundation::after {
    /* Inner stitched layer */
    content: "";
    position: absolute;
    inset: calc(var(--unit) * 1.2);
    border: 1px solid rgba(245, 240, 232, 0.18);
    pointer-events: none;
}

.foundation-inner {
    position: relative;
    z-index: 1;
    max-width: var(--col-max);
    width: 100%;
    margin: 0 auto;
    display: grid;
    gap: calc(var(--unit) * 1.5);
    text-align: center;
    padding: calc(var(--unit) * 1.5) var(--unit);
}

.foundation-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.foundation-row .meta-tag {
    color: var(--c-marble);
    opacity: 0.85;
}

.foundation-mark {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: calc(var(--unit) * 0.5);
    padding: calc(var(--unit) * 0.5) 0;
}

.mark-domain {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: clamp(40px, 6vw, 72px);
    color: var(--c-marble);
    letter-spacing: 0;
    line-height: 1;
}

.mark-korean {
    font-family: var(--font-kr);
    font-weight: 500;
    font-size: clamp(28px, 3vw, 42px);
    color: var(--c-foxed);
    line-height: 1.1;
}

.foundation-note {
    font-family: var(--font-serif);
    font-size: clamp(16px, 1.1vw, 18px);
    line-height: 1.85;
    color: rgba(245, 240, 232, 0.78);
    max-width: 520px;
    margin: 0 auto;
}

.foundation-note em {
    color: var(--c-foxed);
}

/* ===========================================================
   Responsive
   =========================================================== */

@media (max-width: 600px) {
    :root {
        --unit: 18px;
        --shadow-off: 3px;
        --shadow-off-hover: 6px;
    }

    .hero-meta,
    .hero-foot {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }

    .meta-right {
        text-align: left;
    }

    .hero-korean {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .marble-interlude {
        margin-left: calc(var(--unit) * -1);
        margin-right: calc(var(--unit) * -1);
    }

    .foundation-row {
        flex-direction: column;
        gap: 6px;
        align-items: flex-start;
    }
}

@media (prefers-reduced-motion: reduce) {
    .frame-rect,
    .hero-domain .char,
    .hero-korean,
    .hero-gloss,
    .hero-divider,
    .curve-svg path,
    .card,
    .marble-bg {
        transition: none !important;
        animation: none !important;
        stroke-dashoffset: 0 !important;
        opacity: 1 !important;
        transform: none !important;
    }
}