/* ==========================================================================
   ipjosim.com — 입조심 — Guard Your Mouth
   Light-academia, mysterious-moody, parallax-sections, bebas-bold, analogous
   ========================================================================== */

:root {
    --c-amber: #c9a96e;
    --c-brown: #8b7355;
    --c-parchment: #e8dcc8;
    --c-charcoal: #1c1814;
    --c-ember: #d4843a;
    --c-umber: #0f0c09;
    --c-stone: #6b6560;

    --font-display: 'Bebas Neue', 'Inter', sans-serif;
    --font-body: 'Libre Baskerville', 'Georgia', serif;
    --font-kr: 'Noto Serif KR', 'Libre Baskerville', serif;

    --scroll: 0;
    --scroll-section: 0;
    --feather-progress: 0;

    --col-gap: clamp(1rem, 2vw, 2.5rem);
    --side-pad: clamp(1.5rem, 5vw, 5rem);
}

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

html {
    scroll-behavior: smooth;
    scroll-snap-type: y proximity;
    background: var(--c-charcoal);
}

body {
    font-family: var(--font-body);
    color: var(--c-parchment);
    background: var(--c-charcoal);
    overflow-x: hidden;
    line-height: 1.85;
    font-size: clamp(1rem, 1.4vw, 1.2rem);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--c-ember);
    color: var(--c-umber);
}

/* ---------- Shared Section Shell ---------- */
.section {
    position: relative;
    width: 100%;
    min-height: 100vh;
    overflow: hidden;
    scroll-snap-align: start;
    padding: 0 var(--side-pad);
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    column-gap: var(--col-gap);
    align-items: center;
}

.plane {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.plane--bg { z-index: 1; }
.plane--mid { z-index: 2; }
.plane--fg {
    z-index: 3;
    position: relative;
    inset: auto;
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    column-gap: var(--col-gap);
    width: 100%;
    padding: clamp(4rem, 10vh, 8rem) 0;
    pointer-events: auto;
}

/* ---------- Global Vignette ---------- */
.vignette {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 50;
    background: radial-gradient(
        ellipse at center,
        transparent 35%,
        rgba(15, 12, 9, calc(0.35 + var(--scroll) * 0.35)) 85%,
        var(--c-umber) 100%
    );
    transition: background 0.2s linear;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.section--hero {
    min-height: 100vh;
    align-items: stretch;
}

.section--hero .plane--bg .radial-glow {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 55% at 50% 45%, rgba(201, 169, 110, 0.18) 0%, rgba(201, 169, 110, 0.08) 30%, transparent 65%),
        radial-gradient(ellipse 90% 90% at 50% 50%, var(--c-charcoal) 30%, var(--c-umber) 100%);
}

.lip-pattern {
    position: absolute;
    inset: 0;
    overflow: hidden;
    opacity: 0;
    animation: fade-in-lips 1.2s ease-out 0.4s forwards;
}

.lip-motif {
    position: absolute;
    width: clamp(120px, 14vw, 220px);
    height: auto;
    opacity: 0.07;
}

.lip-motif--1 { top: 8%;  left: 6%;  transform: rotate(-12deg); }
.lip-motif--2 { top: 14%; left: 42%; transform: rotate(18deg); opacity: 0.06; }
.lip-motif--3 { top: 6%;  left: 74%; transform: rotate(-6deg); opacity: 0.05; }
.lip-motif--4 { top: 32%; left: 18%; transform: rotate(24deg); opacity: 0.08; }
.lip-motif--5 { top: 30%; left: 62%; transform: rotate(-18deg); opacity: 0.05; }
.lip-motif--6 { top: 46%; left: 4%;  transform: rotate(8deg); opacity: 0.06; }
.lip-motif--7 { top: 48%; left: 82%; transform: rotate(-22deg); opacity: 0.07; }
.lip-motif--8 { top: 62%; left: 34%; transform: rotate(14deg); opacity: 0.05; }
.lip-motif--9 { top: 60%; left: 68%; transform: rotate(-4deg); opacity: 0.07; }
.lip-motif--10 { top: 78%; left: 12%; transform: rotate(20deg); opacity: 0.06; }
.lip-motif--11 { top: 82%; left: 48%; transform: rotate(-14deg); opacity: 0.05; }
.lip-motif--12 { top: 80%; left: 78%; transform: rotate(6deg); opacity: 0.07; }

@keyframes fade-in-lips {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.hero-content {
    grid-column: 1 / -1;
    place-self: center;
    text-align: center;
    position: relative;
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(4rem, 10vw, 9rem);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--c-amber);
    margin: 0;
    line-height: 1;
    text-shadow: 0 0 40px rgba(201, 169, 110, 0.3), 0 0 8px rgba(15, 12, 9, 0.6);
    animation: breathe 4s ease-in-out infinite;
    font-family: var(--font-kr), var(--font-display);
}

.hero-char {
    display: inline-block;
    opacity: 0;
    transform: translateY(20px);
    animation: char-in 0.9s cubic-bezier(0.2, 0.6, 0.2, 1) forwards;
    animation-delay: calc(0.8s + (var(--char-index) * 0.12s));
    padding: 0 0.03em;
}

@keyframes char-in {
    0% { opacity: 0; transform: translateY(26px); filter: blur(6px); }
    60% { opacity: 1; filter: blur(0); }
    100% { opacity: 1; transform: translateY(0); filter: blur(0); }
}

@keyframes breathe {
    0%, 100% { opacity: 0.85; }
    50%      { opacity: 1; }
}

.hero-subtitle {
    margin-top: clamp(1.5rem, 3vh, 2.5rem);
    font-family: var(--font-body);
    font-style: italic;
    font-size: clamp(1.1rem, 1.8vw, 1.5rem);
    color: var(--c-brown);
    letter-spacing: 0.08em;
    opacity: 0;
    animation: fade-up 1.4s ease-out 1.8s forwards;
}

.hero-rule {
    width: 1px;
    height: clamp(40px, 8vh, 80px);
    background: var(--c-brown);
    opacity: 0.45;
    margin: clamp(1.5rem, 3vh, 2.5rem) auto clamp(1rem, 2vh, 1.5rem);
    transform: scaleY(0);
    transform-origin: top;
    animation: draw-rule 1.6s cubic-bezier(0.4, 0, 0.2, 1) 2.4s forwards;
}

@keyframes draw-rule {
    from { transform: scaleY(0); }
    to   { transform: scaleY(1); }
}

.hero-caption {
    font-family: var(--font-body);
    font-style: italic;
    font-size: clamp(0.8rem, 1vw, 0.95rem);
    color: var(--c-stone);
    letter-spacing: 0.18em;
    text-transform: lowercase;
    opacity: 0;
    animation: fade-up 1.4s ease-out 2.6s forwards;
}

@keyframes fade-up {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}

.scroll-cue {
    position: absolute;
    bottom: clamp(2rem, 5vh, 4rem);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    opacity: 0;
    animation: fade-up 1.4s ease-out 3.4s forwards;
}

.scroll-cue__label {
    font-family: var(--font-display);
    font-size: 0.85rem;
    letter-spacing: 0.45em;
    color: var(--c-brown);
    text-transform: uppercase;
}

.scroll-cue__line {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, var(--c-brown), transparent);
    position: relative;
    overflow: hidden;
}

.scroll-cue__line::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent, var(--c-ember));
    animation: scroll-cue-pulse 2.4s ease-in-out infinite;
}

@keyframes scroll-cue-pulse {
    0%   { transform: translateY(-100%); opacity: 0; }
    40%  { opacity: 1; }
    100% { transform: translateY(100%); opacity: 0; }
}

/* ==========================================================================
   SECTION 2 — THE WEIGHT OF WORDS
   ========================================================================== */
.section--weight .plane--bg .tonal-wash--2 {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 60% at 25% 40%, rgba(139, 115, 85, 0.14) 0%, transparent 70%),
        radial-gradient(ellipse 80% 80% at 90% 70%, rgba(15, 12, 9, 0.6) 0%, transparent 60%),
        var(--c-charcoal);
}

.ink-rule {
    position: absolute;
    top: 10vh;
    bottom: 10vh;
    width: 1px;
    background: var(--c-brown);
    opacity: 0.3;
    z-index: 2;
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 1.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.ink-rule--left {
    left: clamp(2rem, 7vw, 7rem);
}

.ink-rule--center {
    left: 50%;
}

.section.in-view .ink-rule {
    transform: scaleY(1);
}

.weight-layout {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    column-gap: var(--col-gap);
    align-items: center;
}

.weight-text {
    grid-column: 2 / 6;
    max-width: 640px;
}

.section-label {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.85rem;
    letter-spacing: 0.45em;
    color: var(--c-ember);
    text-transform: uppercase;
    margin-bottom: 1rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid rgba(212, 132, 58, 0.4);
}

.section-title {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(2rem, 4vw, 3.5rem);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--c-amber);
    line-height: 1.05;
    margin-bottom: 1.5rem;
}

.section-lede {
    font-family: var(--font-body);
    font-style: italic;
    font-size: clamp(1.05rem, 1.5vw, 1.35rem);
    color: var(--c-parchment);
    opacity: 0.85;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.weight-text p {
    color: var(--c-parchment);
    opacity: 0.82;
    margin-bottom: 1.25rem;
}

.weight-text p em {
    font-family: var(--font-kr);
    font-style: italic;
    color: var(--c-amber);
}

.weight-illustration {
    grid-column: 6 / 9;
    justify-self: center;
    align-self: center;
    position: relative;
}

.feather-stage {
    position: relative;
    width: clamp(160px, 22vw, 300px);
    height: clamp(320px, 44vw, 600px);
}

.feather-svg {
    width: 100%;
    height: 100%;
    display: block;
    filter: drop-shadow(0 20px 30px rgba(15, 12, 9, 0.5));
}

/* Feather morph (body): soft organic -> angular crystalline */
.feather-body {
    d: path("M100,30 Q60,80 70,140 Q40,180 65,220 Q35,260 70,300 Q50,340 100,370 Q150,340 130,300 Q165,260 135,220 Q160,180 130,140 Q140,80 100,30 Z");
    transition: fill 0.6s linear;
    clip-path: polygon(
        50% calc(7% + 0%),
        40% calc(20% - 0%), 35% 35%, 32.5% 45%, 32.5% 55%, 35% 65%, 40% 80%, 50% calc(93% - 0%),
        60% 80%, 65% 65%, 67.5% 55%, 67.5% 45%, 65% 35%, 60% 20%
    );
}

.feather-stage[data-progress] .feather-body {
    /* Progress-driven clip-path pseudo — handled by JS via style attr */
}

.feather-barbs path {
    transition: opacity 0.6s linear, stroke 0.6s linear;
}

.feather-stage[data-crystalline="1"] .feather-body {
    fill: #6b6560 !important;
    stroke: #6b6560 !important;
}

.feather-stage[data-crystalline="1"] .feather-barbs path {
    stroke: #6b6560;
    opacity: 0.25;
}

.feather-stage[data-crystalline="1"] .feather-spine {
    stroke: #6b6560;
}

.feather-shape {
    transform-origin: 50% 20%;
    transform: rotate(calc(var(--feather-progress, 0) * 35deg));
    transition: transform 0.1s linear;
}

.stone-label {
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: calc(var(--feather-progress, 0));
    transition: opacity 0.3s linear;
}

.stone-label__line {
    width: 1px;
    height: 30px;
    background: var(--c-stone);
}

.stone-label__text {
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 0.4em;
    color: var(--c-stone);
    text-transform: uppercase;
    white-space: nowrap;
}

/* ==========================================================================
   SECTION 3 — BEFORE YOU SPEAK
   ========================================================================== */
.section--proverbs {
    min-height: 110vh;
}

.section--proverbs .plane--bg .tonal-wash--3 {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 60% at 70% 30%, rgba(201, 169, 110, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 50% 70% at 20% 80%, rgba(15, 12, 9, 0.7) 0%, transparent 60%),
        var(--c-charcoal);
}

.proverbs-header {
    grid-column: 2 / 7;
    margin-bottom: clamp(3rem, 8vh, 5rem);
}

.proverbs-header .section-lede {
    max-width: 560px;
}

.proverb-cards {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    column-gap: var(--col-gap);
    row-gap: clamp(2rem, 5vh, 4rem);
    position: relative;
    padding: 2rem 0;
}

.proverb-card {
    position: relative;
    background: rgba(232, 220, 200, 0.92);
    color: var(--c-umber);
    padding: clamp(2rem, 3.2vw, 3.25rem) clamp(1.5rem, 2.5vw, 2.5rem);
    border-radius: 2px;
    box-shadow:
        0 1px 0 rgba(139, 115, 85, 0.3) inset,
        0 30px 60px rgba(15, 12, 9, 0.55),
        0 8px 20px rgba(15, 12, 9, 0.4);
    transition:
        transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
        box-shadow 0.5s ease,
        background 0.5s ease;
    overflow: hidden;
    isolation: isolate;
}

.proverb-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 10%, rgba(201, 169, 110, 0.18) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 90%, rgba(139, 115, 85, 0.18) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
    mix-blend-mode: multiply;
}

.proverb-card::after {
    /* subtle parchment noise via repeating linear-gradient */
    content: '';
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(
            43deg,
            rgba(139, 115, 85, 0.04) 0px,
            rgba(139, 115, 85, 0.04) 1px,
            transparent 1px,
            transparent 3px
        );
    pointer-events: none;
    z-index: -1;
}

.proverb-card--1 {
    grid-column: 1 / 5;
    transform: translate3d(0, 40px, 0) rotate(-1.2deg);
    opacity: 0;
    z-index: 3;
    margin-top: 0;
}

.proverb-card--2 {
    grid-column: 4 / 8;
    transform: translate3d(0, 40px, 0) rotate(1.6deg);
    opacity: 0;
    z-index: 2;
    margin-top: clamp(1.5rem, 4vh, 3.5rem);
}

.proverb-card--3 {
    grid-column: 2 / 7;
    transform: translate3d(0, 40px, 0) rotate(-0.8deg);
    opacity: 0;
    z-index: 1;
    margin-top: clamp(1rem, 3vh, 2.5rem);
}

.proverb-card.is-in {
    opacity: 1;
    transform: translate3d(0, 0, 0) rotate(var(--rest-rot, 0deg));
}

.proverb-card--1.is-in { --rest-rot: -1.2deg; transition-delay: 0s; }
.proverb-card--2.is-in { --rest-rot: 1.6deg; transition-delay: 0.2s; }
.proverb-card--3.is-in { --rest-rot: -0.8deg; transition-delay: 0.4s; }

.proverb-card:hover {
    transform: translate3d(0, -6px, 0) scale(1.02) rotate(var(--rest-rot, 0deg));
    background: rgba(220, 205, 180, 0.92);
    box-shadow:
        0 1px 0 rgba(139, 115, 85, 0.4) inset,
        0 45px 80px rgba(15, 12, 9, 0.75),
        0 12px 28px rgba(15, 12, 9, 0.5);
}

.wax-seal {
    position: absolute;
    top: 1.2rem;
    right: 1.2rem;
    width: clamp(56px, 6.5vw, 80px);
    height: clamp(56px, 6.5vw, 80px);
    z-index: 2;
}

.wax-seal svg {
    width: 100%;
    height: 100%;
    display: block;
    animation: seal-rotate 60s linear infinite;
    filter: drop-shadow(0 2px 3px rgba(15, 12, 9, 0.3));
}

@keyframes seal-rotate {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

.card-number {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 1.1rem;
    letter-spacing: 0.4em;
    color: var(--c-brown);
    margin-bottom: 1rem;
    padding-right: 0.4em;
    border-right: 1px solid rgba(139, 115, 85, 0.4);
    padding-bottom: 0.2rem;
}

.card-korean {
    font-family: var(--font-kr);
    font-size: clamp(1.25rem, 2vw, 1.8rem);
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--c-umber);
    line-height: 1.55;
    margin-bottom: 1.2rem;
}

.card-english {
    font-family: var(--font-body);
    font-style: italic;
    font-size: clamp(0.95rem, 1.15vw, 1.1rem);
    color: var(--c-brown);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.card-gloss {
    font-family: var(--font-body);
    font-size: clamp(0.85rem, 1vw, 0.95rem);
    color: rgba(15, 12, 9, 0.75);
    line-height: 1.7;
    padding-top: 1rem;
    border-top: 1px solid rgba(139, 115, 85, 0.3);
}

/* ==========================================================================
   SECTION 4 — THE SILENCE BETWEEN
   ========================================================================== */
.section--silence {
    background: var(--c-charcoal);
    overflow: hidden;
}

.section--silence .plane--bg .tonal-wash--4 {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 80% at 50% 50%, rgba(15, 12, 9, 0.3) 0%, var(--c-charcoal) 50%, var(--c-umber) 100%);
}

.whisper-lips {
    position: absolute;
    width: clamp(180px, 18vw, 280px);
    height: auto;
    top: 14%;
    right: 8%;
    opacity: 0;
    transition: opacity 1.2s ease;
    animation: whisper-drift 10s ease-in-out infinite alternate;
}

.section--silence.in-view .whisper-lips {
    opacity: 1;
}

@keyframes whisper-drift {
    from { transform: translate(0, 0) rotate(-4deg); }
    to   { transform: translate(-12px, -8px) rotate(4deg); }
}

.ripple-container {
    grid-column: 1 / -1;
    position: relative;
    width: 100%;
    height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ripple-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80px;
    height: 80px;
    border: 1px solid var(--c-ember);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
    box-shadow: 0 0 24px rgba(212, 132, 58, 0.3);
}

.section--silence.in-view .ripple-ring {
    animation: ripple-expand 8s ease-out infinite;
    animation-delay: calc(var(--ring-index) * 1s);
}

@keyframes ripple-expand {
    0% {
        transform: translate(-50%, -50%) scale(0);
        opacity: 0.6;
        border-color: var(--c-ember);
    }
    10% {
        opacity: 0.6;
        border-color: var(--c-ember);
    }
    60% {
        border-color: var(--c-amber);
    }
    100% {
        transform: translate(-50%, -50%) scale(15);
        opacity: 0;
        border-color: var(--c-amber);
    }
}

.ripple-core {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--c-ember);
    transform: translate(-50%, -50%);
    box-shadow:
        0 0 20px var(--c-ember),
        0 0 40px rgba(212, 132, 58, 0.6),
        0 0 80px rgba(212, 132, 58, 0.3);
    animation: core-pulse 2.4s ease-in-out infinite;
}

@keyframes core-pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    50%      { transform: translate(-50%, -50%) scale(1.5); opacity: 0.7; }
}

.silence-text {
    position: absolute;
    bottom: clamp(4rem, 10vh, 8rem);
    left: 50%;
    transform: translate(-50%, 20px);
    opacity: 0;
    width: min(640px, 80vw);
    text-align: center;
    transition: opacity 1.2s ease, transform 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    transition-delay: 0.8s;
    z-index: 4;
}

.silence-text.is-in {
    opacity: 1;
    transform: translate(-50%, 0);
}

.silence-text .section-label {
    color: var(--c-amber);
    border-bottom-color: rgba(201, 169, 110, 0.4);
}

.silence-text .section-title {
    color: var(--c-amber);
}

.silence-quote {
    font-family: var(--font-body);
    font-style: italic;
    font-size: clamp(1.3rem, 2.2vw, 1.9rem);
    color: var(--c-parchment);
    line-height: 1.6;
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
}

.silence-note {
    font-family: var(--font-body);
    font-size: clamp(0.9rem, 1.1vw, 1.05rem);
    color: var(--c-stone);
    font-style: italic;
    line-height: 1.6;
    opacity: 0.85;
}

/* ==========================================================================
   FOOTER / COLOPHON
   ========================================================================== */
.section--colophon {
    min-height: 40vh;
    padding: clamp(3rem, 8vh, 6rem) var(--side-pad);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--c-umber);
    grid-template-columns: none;
}

.colophon-inner {
    text-align: center;
    max-width: 640px;
}

.colophon-domain {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 2.2vw, 2rem);
    letter-spacing: 0.35em;
    color: var(--c-amber);
    text-transform: lowercase;
    margin-bottom: 1.2rem;
}

.colophon-rule {
    width: 60px;
    height: 1px;
    background: var(--c-brown);
    margin: 0 auto 1.5rem;
    opacity: 0.5;
}

.colophon-copy {
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--c-stone);
    font-style: italic;
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
}

.colophon-links {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--c-brown);
    margin-bottom: 2rem;
}

.colophon-link {
    position: relative;
    color: var(--c-parchment);
    text-decoration: none;
    font-style: italic;
    padding-bottom: 2px;
    transition: color 0.4s ease;
}

.colophon-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    height: 1px;
    width: 100%;
    background: var(--c-ember);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.colophon-link:hover {
    color: var(--c-ember);
}

.colophon-link:hover::after {
    transform: scaleX(1);
}

.colophon-sep {
    margin: 0 1rem;
    color: var(--c-stone);
    opacity: 0.6;
}

.colophon-whisper {
    font-family: var(--font-kr);
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    color: var(--c-stone);
    opacity: 0.5;
    text-transform: lowercase;
}

/* ==========================================================================
   REVEAL UTILITY
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1.2s ease, transform 1.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.reveal.is-in {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 840px) {
    .weight-text {
        grid-column: 1 / 9;
    }

    .weight-illustration {
        grid-column: 2 / 8;
        margin-top: 2rem;
    }

    .feather-stage {
        width: 180px;
        height: 360px;
    }

    .proverb-card--1,
    .proverb-card--2,
    .proverb-card--3 {
        grid-column: 1 / 9;
        margin-top: 0;
    }

    .proverbs-header {
        grid-column: 1 / 9;
    }

    .ink-rule--left {
        left: 1rem;
    }

    .hero-title {
        font-size: clamp(3rem, 14vw, 5rem);
    }
}

@media (max-width: 520px) {
    .colophon-link + .colophon-sep,
    .colophon-sep + .colophon-link {
        display: inline;
    }

    .wax-seal {
        width: 54px;
        height: 54px;
        top: 0.8rem;
        right: 0.8rem;
    }
}

/* Reduce motion fallback (kept minimal — no a11y mandate per brief, but safe default) */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}