/* ============================================================
   가능성.com — light-academia × avant-garde
   palette : #C67B3C raw sienna · #2C1E0F deep soil · #F2E8D8 warm sand
             #9B6B4A clay · #7A8B6E sage · #FAF5ED chalk · #A04030 oxide
   typography: Noto Serif KR · Lora · Noto Sans KR · Inconsolata
   ============================================================ */

:root {
    --raw-sienna: #C67B3C;
    --deep-soil:  #2C1E0F;
    --warm-sand:  #F2E8D8;
    --clay:       #9B6B4A;
    --sage:       #7A8B6E;
    --chalk:      #FAF5ED;
    --oxide:      #A04030;

    --shadow-soft: 0 4px 8px rgba(44, 30, 15, 0.10);
    --shadow-lift: 0 8px 16px rgba(44, 30, 15, 0.14);

    --serif-kr: "Noto Serif KR", "Lora", serif;
    --serif-la: "Lora", "Noto Serif KR", serif;
    --sans-kr:  "Noto Sans KR", "Inter", sans-serif;
    --mono:     "Inconsolata", "space", monospace;
}

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

html { scroll-behavior: smooth; }

body {
    background: var(--warm-sand);
    color: var(--deep-soil);
    font-family: var(--sans-kr);
    font-weight: 400;
    line-height: 1.8;
    overflow-x: hidden;
    word-break: keep-all;
    position: relative;
    min-height: 100vh;
    background-image:
        radial-gradient(1200px 800px at 10% -10%, rgba(198,123,60,0.06), transparent 60%),
        radial-gradient(900px 600px at 110% 30%, rgba(122,139,110,0.06), transparent 65%),
        radial-gradient(800px 500px at 50% 110%, rgba(160,64,48,0.04), transparent 70%);
}

/* ---- canvas grid ---- */
.canvas {
    width: 100%;
    max-width: 1480px;
    margin: 0 auto;
    padding: 0 clamp(1.25rem, 3vw, 3rem);
}

.section {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: clamp(0.75rem, 1.2vw, 1.25rem);
    position: relative;
    padding: clamp(5rem, 10vw, 9rem) 0;
    isolation: isolate;
}

.section + .section {
    border-top: 1px solid rgba(155, 107, 74, 0.22);
}

/* ============================================================
   META · LABELS · COORDINATES
   ============================================================ */
.meta {
    font-family: var(--mono);
    font-weight: 400;
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    color: var(--clay);
    text-transform: lowercase;
}
.meta--coord  { grid-column: 2 / span 5; margin-top: 1rem; color: var(--deep-soil); }
.meta--label  { display: inline-block; color: var(--oxide); letter-spacing: 0.12em; text-transform: uppercase; }
.meta--cap    { display: block; margin-top: 0.6rem; color: var(--clay); font-style: italic; }
.meta--rule   { color: var(--clay); border-top: 1px solid var(--clay); padding-top: 0.5rem; }
.meta--colophon { grid-column: 4 / span 6; margin-top: 6rem; text-align: right; color: var(--clay); }

/* ============================================================
   SECTION 1 — THE QUESTION
   ============================================================ */
.section--question {
    min-height: 100vh;
    padding-top: clamp(3rem, 6vw, 5rem);
}

.hero-title {
    grid-column: 1 / span 9;
    margin-top: 3rem;
    margin-left: -0.6vw;
    position: relative;
    z-index: 3;
    display: block;
    font-family: var(--serif-kr);
    line-height: 0.92;
    font-weight: 700;
}
.hero-title__korean {
    display: block;
    font-family: var(--serif-kr);
    font-size: clamp(6rem, 15vw, 12rem);
    color: var(--deep-soil);
    letter-spacing: -0.02em;
    font-weight: 700;
}
.hero-title__korean .glyph {
    display: inline-block;
    transition: transform 600ms cubic-bezier(.2,.8,.2,1), color 600ms ease;
    will-change: transform;
}
.hero-title__korean .glyph:nth-child(1) { transform: translateY(0) rotate(-2deg); }
.hero-title__korean .glyph:nth-child(2) { transform: translateY(-0.06em) rotate(1deg); color: var(--raw-sienna); }
.hero-title__korean .glyph:nth-child(3) { transform: translateY(0.04em) rotate(-1deg); }
.hero-title__korean .glyph:hover { color: var(--oxide); transform: translateY(-0.08em) rotate(3deg); }

.hero-title__latin {
    display: block;
    margin-top: 1rem;
    margin-left: clamp(2rem, 8vw, 8rem);
    font-family: var(--serif-la);
    font-style: italic;
    font-weight: 400;
    font-size: clamp(1.3rem, 2vw, 1.7rem);
    color: var(--clay);
    letter-spacing: 0.04em;
}

.section--question > .meta--label { grid-column: 5 / span 6; margin-top: 1.25rem; }
.section--question > .meta--rule  { grid-column: 8 / span 4; margin-top: 5rem; }
.section--question > p.meta--label { font-family: var(--mono); }
.section--question > .meta:nth-of-type(2) {
    grid-column: 5 / span 6;
    margin-top: 1.25rem;
    color: var(--deep-soil);
    text-transform: none;
    letter-spacing: 0.04em;
    font-style: italic;
}

.illustration--seed {
    grid-column: 9 / span 4;
    grid-row: 2;
    align-self: start;
    margin-top: -8rem;
    margin-left: -2rem;
    z-index: 2;
}
.illustration--seed svg { width: 100%; height: auto; max-width: 320px; }

.question__lede {
    grid-column: 3 / span 7;
    margin-top: 5rem;
    font-family: var(--serif-la);
    font-size: clamp(1.05rem, 1.6vw, 1.35rem);
    line-height: 1.65;
    color: var(--deep-soil);
    max-width: 56ch;
}
.question__lede em {
    font-family: var(--serif-la);
    font-style: italic;
    color: var(--oxide);
}

/* ============================================================
   SECTION 2 — THE EVIDENCE
   ============================================================ */
.section-title {
    grid-column: 2 / span 8;
    display: flex;
    align-items: baseline;
    gap: 1.25rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}
.section-title__korean {
    font-family: var(--serif-kr);
    font-weight: 600;
    font-size: clamp(2rem, 4vw, 3.5rem);
    color: var(--deep-soil);
    letter-spacing: -0.01em;
}
.section-title__latin {
    font-family: var(--serif-la);
    font-weight: 700;
    font-size: clamp(1.25rem, 2vw, 1.6rem);
    font-style: italic;
    color: var(--raw-sienna);
    letter-spacing: -0.005em;
}

.section--evidence > .meta--rule { grid-column: 4 / span 4; margin-top: 1.25rem; }

.evidence-row {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: clamp(0.75rem, 1.2vw, 1.25rem);
    margin-top: 5rem;
    position: relative;
}
.evidence-row--a { margin-top: 5rem; }
.evidence-row--b { margin-top: 8rem; }
.evidence-row--c { margin-top: 5rem; }

.evidence-margin {
    grid-column: 2 / span 3;
    background: var(--chalk);
    border-left: 2px solid var(--clay);
    padding: 1.25rem 1.4rem;
    transform: rotate(-0.4deg);
    box-shadow: var(--shadow-soft);
}
.evidence-margin--right {
    grid-column: 9 / span 3;
    background: transparent;
    border-left: none;
    box-shadow: none;
    transform: rotate(1deg);
    padding: 0;
}
.margin-note {
    margin-top: 0.5rem;
    font-family: var(--serif-la);
    font-style: italic;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--clay);
}

.evidence-body {
    grid-column: 5 / span 7;
    background: var(--chalk);
    padding: clamp(1.5rem, 2.4vw, 2.4rem);
    box-shadow: var(--shadow-soft);
    border-top: 2px solid var(--raw-sienna);
}
.evidence-body--wide {
    grid-column: 1 / span 8;
    background: transparent;
    box-shadow: none;
    border-top: none;
    border-left: 2px solid var(--clay);
    padding-left: 1.4rem;
}
.evidence-body p + p { margin-top: 1rem; }
.evidence-body .lead {
    font-family: var(--serif-la);
    font-size: clamp(1.1rem, 1.5vw, 1.3rem);
    line-height: 1.55;
    color: var(--deep-soil);
}
.evidence-body p {
    font-size: clamp(1rem, 1.3vw, 1.15rem);
    line-height: 1.8;
    color: var(--deep-soil);
}

.illustration--leaf svg { width: 100%; height: auto; max-width: 220px; display: block; margin-left: auto; }

.hl {
    background: linear-gradient(180deg, transparent 60%, rgba(122,139,110,0.45) 60%);
    padding: 0 0.1em;
}
.hl--orange {
    background: linear-gradient(180deg, transparent 60%, rgba(198,123,60,0.5) 60%);
    color: var(--deep-soil);
}
.num {
    font-family: var(--mono);
    color: var(--raw-sienna);
    font-style: italic;
    margin-right: 0.15em;
}

/* ============================================================
   SECTION 3 — THE FIELD
   ============================================================ */
.section--field {
    background:
        repeating-linear-gradient(
            -2deg,
            transparent 0 38px,
            rgba(155, 107, 74, 0.05) 38px 39px
        ),
        var(--warm-sand);
}

.section-title--field {
    grid-column: 1 / span 9;
    margin-left: 4vw;
}
.section--field > .meta--rule { grid-column: 9 / span 3; margin-top: 1.25rem; }

.field-cluster {
    grid-column: 1 / -1;
    margin-top: 4rem;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: clamp(1rem, 1.6vw, 1.75rem);
    align-items: start;
    position: relative;
}

.illustration { display: block; }
.illustration--flower  { grid-column: 1 / span 4;  margin-top: 0;     transform: rotate(-3deg); }
.illustration--orbit   { grid-column: 8 / span 4;  margin-top: 7rem;  transform: rotate(4deg); }
.illustration--lattice { grid-column: 2 / span 4;  margin-top: 8rem;  transform: rotate(-2deg); }
.illustration--tendril { grid-column: 9 / span 3;  margin-top: -2rem; transform: rotate(6deg); }

.illustration--flower svg,
.illustration--orbit svg,
.illustration--lattice svg,
.illustration--tendril svg { width: 100%; height: auto; }

.field-text {
    grid-column: 5 / span 6;
    font-family: var(--serif-la);
    font-size: clamp(1.05rem, 1.5vw, 1.3rem);
    line-height: 1.6;
    color: var(--deep-soil);
    background: var(--chalk);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow-soft);
    border-bottom: 2px solid var(--raw-sienna);
}
.field-text em { font-style: italic; color: var(--oxide); }
.field-text--a { grid-column: 5 / span 6;  margin-top: 4rem; transform: rotate(-1deg); }
.field-text--b { grid-column: 1 / span 6;  margin-top: 5rem; transform: rotate(1.5deg); }
.field-text--c { grid-column: 6 / span 6;  margin-top: 3rem; transform: rotate(-1.5deg); }
.field-text--d {
    grid-column: 2 / span 6;
    margin-top: 4rem;
    background: transparent;
    box-shadow: none;
    border-bottom: none;
    border-left: 2px solid var(--clay);
    padding-left: 1.25rem;
    transform: rotate(0.5deg);
    font-size: clamp(0.95rem, 1.25vw, 1.1rem);
    color: var(--clay);
}
.field-text--d .meta--label { display: block; margin-bottom: 0.4rem; }

/* ============================================================
   SECTION 4 — THE HORIZON
   ============================================================ */
.section--horizon {
    min-height: 80vh;
    padding-top: clamp(6rem, 12vw, 11rem);
    padding-bottom: clamp(6rem, 12vw, 11rem);
}
.section--horizon > .meta--rule { grid-column: 2 / span 4; margin-top: 0; }

.horizon-line {
    grid-column: 3 / span 8;
    margin-top: 6rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    line-height: 1.3;
}
.horizon-line__korean {
    font-family: var(--serif-kr);
    font-weight: 600;
    font-size: clamp(1.8rem, 3.2vw, 2.8rem);
    color: var(--deep-soil);
    letter-spacing: -0.005em;
}
.horizon-line__latin {
    font-family: var(--serif-la);
    font-weight: 400;
    font-size: clamp(1.1rem, 1.6vw, 1.4rem);
    color: var(--clay);
}
.horizon-line__latin em { font-style: italic; }

.horizon-contact {
    grid-column: 7 / span 5;
    margin-top: 5rem;
    display: inline-grid;
    grid-template-columns: auto 1fr auto;
    align-items: baseline;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    text-decoration: none;
    color: var(--deep-soil);
    background: var(--chalk);
    border-bottom: 2px solid var(--oxide);
    box-shadow: var(--shadow-soft);
    font-family: var(--serif-la);
    transform: rotate(-0.5deg);
    will-change: transform;
}
.horizon-contact__label {
    font-family: var(--mono);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--oxide);
}
.horizon-contact__addr {
    font-size: clamp(1.1rem, 1.6vw, 1.45rem);
    font-style: italic;
    color: var(--deep-soil);
}
.horizon-contact__arrow {
    font-size: 1.4rem;
    color: var(--oxide);
    transition: transform 300ms ease;
}
.horizon-contact:hover .horizon-contact__arrow { transform: translateX(8px); }

/* ============================================================
   FLOATING ELEMENTS
   ============================================================ */
.float-layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}
.float-layer--dense { z-index: 0; }

.float-dot,
.float-line,
.float-circle {
    position: absolute;
    box-shadow: 0 4px 8px rgba(44, 30, 15, 0.10);
    animation: float 5s ease-in-out infinite;
    will-change: transform;
}
.float-dot {
    width: 5px; height: 5px;
    border-radius: 50%;
    background: var(--clay);
}
.float-circle {
    width: 12px; height: 12px;
    border-radius: 50%;
    border: 2px solid var(--sage);
    background: transparent;
}
.float-line {
    width: 32px; height: 2px;
    background: var(--clay);
    border-radius: 2px;
}

.float-dot--a    { top: 12%;  left: 18%;  animation-delay: 0s; }
.float-dot--b    { top: 64%;  left: 78%;  animation-delay: 0.8s; background: var(--sage); }
.float-dot--c    { top: 38%;  left: 92%;  animation-delay: 1.4s; }
.float-dot--d    { top: 82%;  left: 22%;  animation-delay: 2.2s; }

.float-line--a   { top: 22%;  left: 70%;  transform: rotate(18deg); animation-delay: 0.4s; }
.float-line--b   { top: 78%;  left: 12%;  transform: rotate(-25deg); animation-delay: 1.2s; background: var(--sage); }
.float-line--c   { top: 50%;  left: 60%;  transform: rotate(72deg); animation-delay: 1.8s; }
.float-line--d   { top: 30%;  left: 8%;   transform: rotate(-8deg); animation-delay: 2.6s; }

.float-circle--a { top: 30%;  left: 86%;  animation-delay: 0.6s; }
.float-circle--b { top: 70%;  left: 38%;  animation-delay: 1.0s; border-color: var(--clay); }
.float-circle--c { top: 18%;  left: 46%;  animation-delay: 1.6s; }
.float-circle--d { top: 88%;  left: 64%;  animation-delay: 2.4s; border-color: var(--raw-sienna); }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-6px); }
}
.float-line--a, .float-line--c, .float-line--d {
    /* preserve rotation while floating via a wrapper-less approach */
}
@keyframes float-rot-a { 0%,100% { transform: translateY(0)  rotate(18deg); }  50% { transform: translateY(-6px) rotate(18deg); } }
@keyframes float-rot-b { 0%,100% { transform: translateY(0)  rotate(-25deg); } 50% { transform: translateY(-6px) rotate(-25deg); } }
@keyframes float-rot-c { 0%,100% { transform: translateY(0)  rotate(72deg); }  50% { transform: translateY(-6px) rotate(72deg); } }
@keyframes float-rot-d { 0%,100% { transform: translateY(0)  rotate(-8deg); }  50% { transform: translateY(-6px) rotate(-8deg); } }
.float-line--a { animation-name: float-rot-a; }
.float-line--b { animation-name: float-rot-b; }
.float-line--c { animation-name: float-rot-c; }
.float-line--d { animation-name: float-rot-d; }

/* ============================================================
   LIFTABLE — primary interaction
   ============================================================ */
.liftable {
    transition: transform 300ms ease, box-shadow 300ms ease, filter 300ms ease;
    will-change: transform;
}
.liftable:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(44, 30, 15, 0.16);
    filter: saturate(1.05);
}

/* preserve rotation overrides for tilted blocks on hover */
.evidence-margin:hover     { transform: translateY(-4px) rotate(-0.4deg); }
.evidence-margin--right:hover { transform: translateY(-4px) rotate(1deg); }
.illustration--flower:hover  { transform: translateY(-4px) rotate(-3deg); }
.illustration--orbit:hover   { transform: translateY(-4px) rotate(4deg); }
.illustration--lattice:hover { transform: translateY(-4px) rotate(-2deg); }
.illustration--tendril:hover { transform: translateY(-4px) rotate(6deg); }
.field-text--a:hover { transform: translateY(-4px) rotate(-1deg); }
.field-text--b:hover { transform: translateY(-4px) rotate(1.5deg); }
.field-text--c:hover { transform: translateY(-4px) rotate(-1.5deg); }
.field-text--d:hover { transform: translateY(-4px) rotate(0.5deg); }
.horizon-contact:hover { transform: translateY(-4px) rotate(-0.5deg); }

/* ============================================================
   CURSOR SPARK · GRAIN · REVEAL
   ============================================================ */
.cursor-spark {
    position: fixed;
    top: 0; left: 0;
    width: 14px; height: 14px;
    border-radius: 50%;
    border: 1.5px solid var(--raw-sienna);
    pointer-events: none;
    z-index: 99;
    transform: translate(-50%, -50%);
    transition: width 250ms ease, height 250ms ease, border-color 250ms ease, opacity 250ms ease;
    opacity: 0;
    mix-blend-mode: multiply;
}
.cursor-spark.is-on  { opacity: 1; }
.cursor-spark.is-hot { width: 38px; height: 38px; border-color: var(--oxide); }

.page-grain {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0.35;
    background-image:
        radial-gradient(rgba(44,30,15,0.08) 1px, transparent 1px),
        radial-gradient(rgba(122,139,110,0.06) 1px, transparent 1px);
    background-size: 3px 3px, 7px 7px;
    background-position: 0 0, 1px 2px;
    mix-blend-mode: multiply;
}

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 800ms ease, transform 800ms cubic-bezier(.2,.8,.2,1);
}
.reveal.is-in { opacity: 1; transform: translateY(0); }

/* ============================================================
   RESPONSIVE — collapse asymmetry gracefully on small screens
   ============================================================ */
@media (max-width: 820px) {
    .section { gap: 0.5rem; }
    .hero-title         { grid-column: 1 / -1; }
    .illustration--seed { grid-column: 6 / span 7; margin-top: -3rem; margin-left: 0; }
    .question__lede     { grid-column: 1 / -1; margin-top: 3rem; }

    .section-title      { grid-column: 1 / -1; }
    .evidence-margin,
    .evidence-margin--right,
    .evidence-body,
    .evidence-body--wide { grid-column: 1 / -1; }

    .section-title--field { grid-column: 1 / -1; margin-left: 0; }
    .field-cluster        { grid-template-columns: 1fr; }
    .illustration--flower,
    .illustration--orbit,
    .illustration--lattice,
    .illustration--tendril { grid-column: 1 / -1; margin-top: 2rem; max-width: 70%; }
    .field-text--a,
    .field-text--b,
    .field-text--c,
    .field-text--d        { grid-column: 1 / -1; margin-top: 2rem; }

    .horizon-line         { grid-column: 1 / -1; margin-top: 3rem; }
    .horizon-contact      { grid-column: 1 / -1; margin-top: 3rem; }
    .meta--colophon       { grid-column: 1 / -1; text-align: left; margin-top: 4rem; }
    .meta--coord          { grid-column: 1 / -1; }
}