/* ===================================================================
   goomimi.com — blobitecture, translucent frost, crystalline details
   =================================================================== */

:root {
    --arctic-mist:  #E8F0F8;
    --frost-lilac:  #D4DDEF;
    --frozen-rose:  #EADDE5;
    --ice-mint:     #D6ECE8;
    --warm-light:   #F0EDE8;
    --crystal-teal: #5AA9B8;
    --charcoal:     #2E3842;
    --slate:        #6B7D8D;

    --lilac-rgba:   212, 221, 239;
    --rose-rgba:    234, 221, 229;
    --mint-rgba:    214, 236, 232;

    --spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease:   cubic-bezier(0.65, 0, 0.35, 1);

    --font-display: 'Nunito', 'IBM Plex Sans KR', system-ui, sans-serif;
    --font-body:    'Outfit', 'IBM Plex Sans KR', system-ui, sans-serif;
    --font-kr:      'IBM Plex Sans KR', 'Outfit', system-ui, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    font-family: var(--font-body);
    color: var(--charcoal);
    background:
        radial-gradient(ellipse 80% 60% at 20% 10%, rgba(var(--lilac-rgba), 0.35), transparent 60%),
        radial-gradient(ellipse 60% 50% at 90% 30%, rgba(var(--rose-rgba), 0.3), transparent 60%),
        radial-gradient(ellipse 70% 50% at 50% 90%, rgba(var(--mint-rgba), 0.3), transparent 60%),
        linear-gradient(to bottom, var(--arctic-mist) 0%, var(--arctic-mist) 45%, #E9EDF2 75%, var(--warm-light) 100%);
    background-attachment: fixed;
    overflow-x: hidden;
    line-height: 1.72;
    font-size: clamp(1rem, 1.2vw, 1.15rem);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== Particle crystalline field ==================================== */
.particle-field {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--crystal-teal);
    opacity: 0;
    box-shadow:
        -22vw  12vh 0 0.5px rgba(90, 169, 184, 0.22),
         14vw  34vh 0 0.3px rgba(90, 169, 184, 0.18),
        -38vw  52vh 0 0.5px rgba(90, 169, 184, 0.28),
         28vw  72vh 0 0.3px rgba(90, 169, 184, 0.16),
        -6vw   82vh 0 0.5px rgba(90, 169, 184, 0.22),
         42vw  18vh 0 0.4px rgba(90, 169, 184, 0.2),
        -18vw 124vh 0 0.5px rgba(90, 169, 184, 0.2),
         32vw 144vh 0 0.3px rgba(90, 169, 184, 0.16),
        -42vw 164vh 0 0.5px rgba(90, 169, 184, 0.24),
         18vw 184vh 0 0.3px rgba(90, 169, 184, 0.18),
        -10vw 212vh 0 0.5px rgba(90, 169, 184, 0.22),
         38vw 236vh 0 0.4px rgba(90, 169, 184, 0.2);
    animation: particle-drift 40s linear infinite;
    top: 100vh;
    left: 50%;
}
.particle:nth-child(1) { left: 10%; animation-delay:  -4s; }
.particle:nth-child(2) { left: 30%; animation-delay: -12s; }
.particle:nth-child(3) { left: 50%; animation-delay: -20s; }
.particle:nth-child(4) { left: 70%; animation-delay: -28s; }
.particle:nth-child(5) { left: 85%; animation-delay: -34s; }
.particle:nth-child(6) { left: 20%; animation-delay: -38s; }

@keyframes particle-drift {
    0%   { transform: translateY(0) translateX(0); opacity: 0; }
    10%  { opacity: 0.9; }
    90%  { opacity: 0.6; }
    100% { transform: translateY(-260vh) translateX(20px); opacity: 0; }
}

body.scrolled .particle {
    animation: particle-drift-diag 40s linear infinite;
}

@keyframes particle-drift-diag {
    0%   { transform: translateY(0) translateX(0); opacity: 0; }
    10%  { opacity: 0.9; }
    90%  { opacity: 0.5; }
    100% { transform: translateY(-260vh) translateX(80px); opacity: 0; }
}

/* ===== Crystalline SVG accents ======================================= */
.crystal {
    position: fixed;
    width: 44px;
    height: 44px;
    opacity: 0.4;
    z-index: 2;
    pointer-events: none;
    animation: crystal-rotate 60s linear infinite;
}
.crystal--one   { top:  12vh; left:   6vw; width: 56px; height: 56px; animation-duration: 68s; }
.crystal--two   { top:  22vh; right:  8vw; width: 42px; height: 42px; animation-duration: 74s; animation-direction: reverse; }
.crystal--three { top:  64vh; left:  12vw; width: 38px; height: 38px; animation-duration: 62s; }
.crystal--four  { top:  58vh; right: 10vw; width: 50px; height: 50px; animation-duration: 82s; animation-direction: reverse; }
.crystal--five  { top:  86vh; left:  42vw; width: 36px; height: 36px; animation-duration: 70s; }

@keyframes crystal-rotate {
    to { transform: rotate(360deg); }
}

/* ===== Shared blob primitives ======================================== */
.blob {
    position: absolute;
    border-radius: 42% 58% 51% 49% / 54% 46% 57% 43%;
    filter: blur(0.3px);
    pointer-events: none;
    mix-blend-mode: normal;
}

/* ===== Hero: The Frost Globe ========================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 5vw 4rem;
    overflow: hidden;
    z-index: 3;
}

.blob--hero {
    width: clamp(380px, 54vw, 820px);
    aspect-ratio: 1 / 0.92;
    backdrop-filter: blur(22px) saturate(1.35);
    -webkit-backdrop-filter: blur(22px) saturate(1.35);
    opacity: 0;
    animation: blob-appear 1.4s var(--ease) forwards, blob-morph 26s ease-in-out infinite;
    box-shadow:
        inset 0 0 80px rgba(255, 255, 255, 0.4),
        0 30px 80px rgba(180, 210, 230, 0.35);
}
.blob--one {
    top: 8%;
    left: -8%;
    background:
        radial-gradient(circle at 30% 30%, rgba(255,255,255,0.5), transparent 55%),
        radial-gradient(circle at 70% 70%, rgba(var(--lilac-rgba), 0.8), rgba(var(--lilac-rgba), 0.45)),
        conic-gradient(from 120deg, rgba(var(--rose-rgba), 0.35), rgba(var(--mint-rgba), 0.35), rgba(var(--lilac-rgba), 0.35));
    animation-delay: 0s, -2s;
    border: 1px solid rgba(255, 255, 255, 0.35);
}
.blob--two {
    top: 22%;
    right: -10%;
    background:
        radial-gradient(circle at 40% 40%, rgba(255,255,255,0.55), transparent 60%),
        radial-gradient(circle at 60% 60%, rgba(var(--rose-rgba), 0.75), rgba(var(--rose-rgba), 0.4)),
        conic-gradient(from 260deg, rgba(var(--lilac-rgba), 0.3), rgba(var(--mint-rgba), 0.3), rgba(var(--rose-rgba), 0.3));
    animation-delay: 0.8s, -10s;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 58% 42% 47% 53% / 44% 56% 43% 57%;
}
.blob--three {
    bottom: -8%;
    left: 18%;
    background:
        radial-gradient(circle at 35% 35%, rgba(255,255,255,0.55), transparent 60%),
        radial-gradient(circle at 65% 65%, rgba(var(--mint-rgba), 0.8), rgba(var(--mint-rgba), 0.42)),
        conic-gradient(from 40deg, rgba(var(--lilac-rgba), 0.32), rgba(var(--rose-rgba), 0.32), rgba(var(--mint-rgba), 0.32));
    animation-delay: 1.6s, -18s;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 51% 49% 56% 44% / 47% 53% 44% 56%;
}

@keyframes blob-appear {
    from { opacity: 0; transform: scale(0.82); }
    to   { opacity: 0.9; transform: scale(1); }
}

@keyframes blob-morph {
    0%   { border-radius: 42% 58% 51% 49% / 54% 46% 57% 43%; }
    25%  { border-radius: 55% 45% 48% 52% / 46% 54% 50% 50%; }
    50%  { border-radius: 48% 52% 58% 42% / 55% 45% 42% 58%; }
    75%  { border-radius: 58% 42% 45% 55% / 48% 52% 58% 42%; }
    100% { border-radius: 42% 58% 51% 49% / 54% 46% 57% 43%; }
}

.hero__content {
    position: relative;
    z-index: 5;
    text-align: center;
    max-width: min(90vw, 1100px);
}

/* Wordmark (GOOMIMI) with card-flip letters */
.wordmark {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(3rem, 10vw, 7.5rem);
    letter-spacing: 0.04em;
    color: var(--charcoal);
    display: flex;
    justify-content: center;
    gap: clamp(0.05em, 0.4vw, 0.12em);
    perspective: 1000px;
    margin-bottom: clamp(1rem, 3vw, 2rem);
}

.letter {
    position: relative;
    display: inline-block;
    transform-style: preserve-3d;
    transform: rotateY(-180deg);
    opacity: 0;
    animation: letter-flip 1.1s var(--spring) forwards;
    will-change: transform, opacity;
    line-height: 1;
}
.letter:nth-child(1) { animation-delay: 0.20s; }
.letter:nth-child(2) { animation-delay: 0.35s; }
.letter:nth-child(3) { animation-delay: 0.50s; }
.letter:nth-child(4) { animation-delay: 0.65s; }
.letter:nth-child(5) { animation-delay: 0.80s; }
.letter:nth-child(6) { animation-delay: 0.95s; }
.letter:nth-child(7) { animation-delay: 1.10s; }

@keyframes letter-flip {
    0%   { opacity: 0; transform: rotateY(-180deg) translateY(20px); }
    60%  { opacity: 1; }
    100% { opacity: 1; transform: rotateY(0deg) translateY(0); }
}

.letter__face {
    display: inline-block;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}
.letter__face--front {
    position: relative;
}
.letter__face--back {
    position: absolute;
    inset: 0;
    transform: rotateY(180deg);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 46% 54% 52% 48% / 50% 50% 48% 52%;
    background: rgba(var(--lilac-rgba), 0.55);
    backdrop-filter: blur(12px) saturate(1.3);
    -webkit-backdrop-filter: blur(12px) saturate(1.3);
    border: 1px solid rgba(255, 255, 255, 0.5);
}
.letter__face--back svg {
    width: 55%;
    height: 55%;
}

.hero__tagline {
    font-family: var(--font-body);
    font-size: clamp(1rem, 1.4vw, 1.35rem);
    color: var(--slate);
    opacity: 0;
    transform: translateY(15px);
    animation: tagline-in 1s var(--ease) forwards 2.4s;
    display: inline-flex;
    gap: 0.6em;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    padding: 0.75rem 1.75rem;
    border-radius: 48% 52% 46% 54% / 55% 45% 52% 48%;
    background: rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(14px) saturate(1.3);
    -webkit-backdrop-filter: blur(14px) saturate(1.3);
    border: 1px solid rgba(255, 255, 255, 0.4);
}
.tagline__kr {
    font-family: var(--font-kr);
    font-weight: 500;
    color: var(--charcoal);
}
.tagline__dash {
    color: var(--crystal-teal);
    font-weight: 600;
}

@keyframes tagline-in {
    to { opacity: 1; transform: translateY(0); }
}

.hero__scroll-hint {
    position: absolute;
    bottom: -3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-body);
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--slate);
    opacity: 0;
    animation: tagline-in 1s var(--ease) forwards 3s, scroll-bounce 3s ease-in-out infinite 4s;
}
.hero__scroll-hint svg {
    width: 18px;
    height: 24px;
}
@keyframes scroll-bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50%      { transform: translateX(-50%) translateY(8px); }
}

/* ===== Cluster section ============================================== */
.cluster {
    position: relative;
    padding: clamp(8rem, 15vw, 14rem) 5vw 6rem;
    z-index: 3;
}

.cluster__heading {
    max-width: 720px;
    margin: 0 auto clamp(3rem, 8vw, 6rem);
    text-align: center;
    padding: 2.5rem 2.5rem;
    border-radius: 48% 52% 46% 54% / 55% 45% 52% 48%;
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(18px) saturate(1.3);
    -webkit-backdrop-filter: blur(18px) saturate(1.3);
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 20px 60px rgba(180, 210, 230, 0.25);
}

.eyebrow {
    display: inline-block;
    font-family: var(--font-kr);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--crystal-teal);
    margin-bottom: 1.2rem;
    padding: 0.35rem 1rem;
    border-radius: 50% 50% 45% 55% / 55% 45% 55% 45%;
    background: rgba(90, 169, 184, 0.08);
    border: 1px solid rgba(90, 169, 184, 0.25);
}

.section-title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(2rem, 5vw, 3.6rem);
    line-height: 1.05;
    letter-spacing: 0.01em;
    color: var(--charcoal);
    margin-bottom: 1.25rem;
}
.section-title em {
    font-style: normal;
    color: var(--crystal-teal);
    font-family: var(--font-display);
    position: relative;
    display: inline-block;
}
.section-title em::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: 0.08em;
    height: 0.18em;
    background: rgba(90, 169, 184, 0.18);
    border-radius: 50%;
    z-index: -1;
}

.section-lede {
    font-size: clamp(1rem, 1.3vw, 1.15rem);
    color: var(--slate);
    max-width: 40ch;
    margin: 0 auto;
}

/* Loose cluster grid */
.cluster__grid {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: auto;
    gap: 1rem;
    padding: 2rem 0;
}

.blob-card {
    grid-column: span 5;
    aspect-ratio: 1 / 0.9;
    min-height: 280px;
    position: relative;
    perspective: 1200px;
    cursor: pointer;
    opacity: 0;
    transform: translateY(40px) scale(0.94);
    transition:
        transform 0.5s var(--spring),
        opacity 0.8s var(--ease);
    will-change: transform, opacity;
}
.blob-card.is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}
.blob-card:nth-child(1) { grid-column: 1 / span 5;  margin-top: 0;   }
.blob-card:nth-child(2) { grid-column: 8 / span 5;  margin-top: 4rem; }
.blob-card:nth-child(3) { grid-column: 4 / span 5;  margin-top: -3rem; }
.blob-card:nth-child(4) { grid-column: 1 / span 5;  margin-top: -1rem; }
.blob-card:nth-child(5) { grid-column: 8 / span 5;  margin-top: -4rem; }

.blob-card__inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.7s var(--spring);
    border-radius: var(--radius);
}

.blob-card:hover .blob-card__inner,
.blob-card.is-flipped .blob-card__inner {
    transform: rotateY(180deg);
}

.blob-card:hover {
    transform: translateY(0) scale(1.08);
    z-index: 10;
}

.blob-card__face {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border-radius: var(--radius);
    padding: clamp(1.75rem, 3vw, 2.5rem);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
    background:
        radial-gradient(circle at 30% 25%, rgba(255,255,255,0.55), transparent 55%),
        linear-gradient(135deg, var(--hue-1), var(--hue-2));
    backdrop-filter: blur(20px) saturate(1.35);
    -webkit-backdrop-filter: blur(20px) saturate(1.35);
    border: 1px solid rgba(255, 255, 255, 0.45);
    box-shadow:
        inset 0 0 60px rgba(255, 255, 255, 0.35),
        0 25px 60px rgba(180, 210, 230, 0.35);
    transition: border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.blob-card:hover .blob-card__face {
    border-color: rgba(255, 255, 255, 0.75);
    box-shadow:
        inset 0 0 80px rgba(255, 255, 255, 0.5),
        0 35px 80px rgba(90, 169, 184, 0.3);
}

.blob-card__face--back {
    transform: rotateY(180deg);
    background:
        radial-gradient(circle at 70% 75%, rgba(255,255,255,0.55), transparent 55%),
        linear-gradient(225deg, var(--hue-2), var(--hue-1));
}

.blob-card__tag {
    font-family: var(--font-kr);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--crystal-teal);
}

.blob-card__title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(1.4rem, 2.4vw, 2rem);
    line-height: 1.1;
    color: var(--charcoal);
    margin-top: 0.5rem;
}

.blob-card__hint {
    font-size: 0.95rem;
    color: var(--slate);
    margin-top: auto;
    line-height: 1.55;
}

.blob-card__desc {
    font-size: 0.95rem;
    color: var(--charcoal);
    line-height: 1.65;
    margin: 0.75rem 0 auto;
}

.blob-card__crystal {
    position: absolute;
    top: 1.2rem;
    right: 1.2rem;
    width: 28px;
    height: 28px;
    opacity: 0.6;
    animation: crystal-rotate 40s linear infinite;
}

.blob-card__cta {
    align-self: flex-start;
    margin-top: 1rem;
    padding: 0.65rem 1.4rem;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--crystal-teal);
    background: rgba(255, 255, 255, 0.55);
    border: 1px solid rgba(90, 169, 184, 0.4);
    border-radius: 52% 48% 45% 55% / 55% 45% 55% 45%;
    cursor: pointer;
    transition: transform 0.4s var(--spring), background 0.3s var(--ease), color 0.3s var(--ease);
}
.blob-card__cta:hover {
    transform: scale(1.06);
    background: rgba(90, 169, 184, 0.9);
    color: white;
}

/* ===== Manifesto ===================================================== */
.manifesto {
    position: relative;
    padding: clamp(6rem, 10vw, 10rem) 5vw;
    z-index: 3;
}

.manifesto__blob {
    position: absolute;
    inset: 2rem 5vw;
    border-radius: 48% 52% 42% 58% / 55% 45% 52% 48%;
    background:
        radial-gradient(circle at 25% 30%, rgba(255,255,255,0.45), transparent 60%),
        linear-gradient(135deg, rgba(var(--lilac-rgba), 0.5), rgba(var(--rose-rgba), 0.45));
    backdrop-filter: blur(22px) saturate(1.35);
    -webkit-backdrop-filter: blur(22px) saturate(1.35);
    border: 1px solid rgba(255, 255, 255, 0.45);
    box-shadow:
        inset 0 0 120px rgba(255, 255, 255, 0.35),
        0 40px 100px rgba(180, 210, 230, 0.25);
    animation: blob-morph 28s ease-in-out infinite;
}

.manifesto__body {
    position: relative;
    max-width: 1100px;
    margin: 0 auto;
    padding: clamp(3rem, 6vw, 5rem) clamp(1.5rem, 4vw, 3rem);
    text-align: center;
}

.section-title--alt {
    max-width: 20ch;
    margin-left: auto;
    margin-right: auto;
}

.manifesto__grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 1.5rem;
    align-items: center;
    margin-top: 3rem;
    text-align: left;
}

.manifesto__item {
    padding: 2rem 1.5rem;
    border-radius: 46% 54% 50% 50% / 52% 48% 55% 45%;
    background: rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(14px) saturate(1.3);
    -webkit-backdrop-filter: blur(14px) saturate(1.3);
    border: 1px solid rgba(255, 255, 255, 0.45);
    transition: transform 0.5s var(--spring);
}
.manifesto__item:hover {
    transform: translateY(-6px) scale(1.02);
}

.manifesto__icon {
    width: 36px;
    height: 36px;
    opacity: 0.8;
    margin-bottom: 1rem;
    animation: crystal-rotate 50s linear infinite;
}

.manifesto__item h3 {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.35rem;
    color: var(--charcoal);
    margin-bottom: 0.5rem;
    letter-spacing: 0.02em;
}

.manifesto__item p {
    font-size: 0.96rem;
    color: var(--slate);
    line-height: 1.65;
}

.manifesto__divider {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 0 0.5rem;
}
.manifesto__divider span {
    width: 10px;
    height: 10px;
    background: transparent;
    border: 1px solid rgba(90, 169, 184, 0.5);
    transform: rotate(45deg);
}

/* ===== Glossary ====================================================== */
.glossary {
    position: relative;
    padding: clamp(5rem, 9vw, 9rem) 5vw;
    z-index: 3;
}

.glossary__blob {
    position: absolute;
    inset: 2rem 8vw;
    border-radius: 55% 45% 58% 42% / 42% 58% 44% 56%;
    background:
        radial-gradient(circle at 70% 30%, rgba(255,255,255,0.4), transparent 60%),
        linear-gradient(135deg, rgba(var(--mint-rgba), 0.55), rgba(var(--lilac-rgba), 0.45));
    backdrop-filter: blur(22px) saturate(1.35);
    -webkit-backdrop-filter: blur(22px) saturate(1.35);
    border: 1px solid rgba(255, 255, 255, 0.45);
    box-shadow:
        inset 0 0 120px rgba(255, 255, 255, 0.3),
        0 40px 100px rgba(180, 210, 230, 0.25);
    animation: blob-morph 32s ease-in-out infinite;
    animation-delay: -10s;
}

.glossary__body {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: clamp(3rem, 6vw, 5rem) clamp(1.5rem, 4vw, 3rem);
    text-align: center;
}

.glossary__list {
    margin-top: 3rem;
    text-align: left;
    display: grid;
    gap: 1.25rem;
}

.glossary__row {
    display: grid;
    grid-template-columns: minmax(180px, 260px) 1fr;
    gap: clamp(1rem, 3vw, 2.5rem);
    align-items: baseline;
    padding: 1.25rem 1.75rem;
    border-radius: 40% 60% 45% 55% / 55% 45% 55% 45%;
    background: rgba(255, 255, 255, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(12px) saturate(1.3);
    -webkit-backdrop-filter: blur(12px) saturate(1.3);
    transition: transform 0.5s var(--spring);
}
.glossary__row:hover {
    transform: translateX(6px) scale(1.01);
}
.glossary__row:nth-child(even):hover {
    transform: translateX(-6px) scale(1.01);
}

.glossary__row dt {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}
.glossary__row dt .kr {
    font-family: var(--font-kr);
    font-weight: 500;
    font-size: 1.5rem;
    color: var(--charcoal);
    letter-spacing: 0.02em;
}
.glossary__row dt .en {
    font-family: var(--font-body);
    font-size: 0.82rem;
    color: var(--crystal-teal);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-weight: 600;
}

.glossary__row dd {
    font-size: 1rem;
    color: var(--slate);
    line-height: 1.6;
}

/* ===== Letter signup ================================================ */
.letter-sign {
    position: relative;
    padding: clamp(6rem, 10vw, 10rem) 5vw;
    z-index: 3;
}

.letter-sign__blob {
    position: absolute;
    inset: 2rem 6vw;
    border-radius: 58% 42% 47% 53% / 44% 56% 43% 57%;
    background:
        radial-gradient(circle at 30% 70%, rgba(255,255,255,0.45), transparent 60%),
        linear-gradient(135deg, rgba(var(--rose-rgba), 0.5), rgba(var(--mint-rgba), 0.45));
    backdrop-filter: blur(22px) saturate(1.35);
    -webkit-backdrop-filter: blur(22px) saturate(1.35);
    border: 1px solid rgba(255, 255, 255, 0.45);
    box-shadow:
        inset 0 0 120px rgba(255, 255, 255, 0.35),
        0 40px 100px rgba(180, 210, 230, 0.25);
    animation: blob-morph 30s ease-in-out infinite;
    animation-delay: -6s;
}

.letter-sign__body {
    position: relative;
    max-width: 720px;
    margin: 0 auto;
    padding: clamp(3rem, 6vw, 5rem) clamp(1.5rem, 4vw, 3rem);
    text-align: center;
}

.letter-sign__note {
    color: var(--slate);
    max-width: 48ch;
    margin: 0.5rem auto 2.5rem;
}

.letter-sign__form {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    justify-content: center;
    align-items: center;
}

.letter-sign__label {
    flex: 1 1 280px;
    max-width: 420px;
    position: relative;
    border-radius: 48% 52% 45% 55% / 55% 45% 52% 48%;
    background: rgba(255, 255, 255, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.55);
    padding: 0.4rem 1.4rem;
    text-align: left;
    backdrop-filter: blur(12px) saturate(1.3);
    -webkit-backdrop-filter: blur(12px) saturate(1.3);
    transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.letter-sign__label:focus-within {
    border-color: rgba(90, 169, 184, 0.6);
    background: rgba(255, 255, 255, 0.65);
}
.letter-sign__label span {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--crystal-teal);
    font-weight: 600;
    margin-top: 0.3rem;
}
.letter-sign__label input {
    width: 100%;
    background: transparent;
    border: 0;
    outline: 0;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--charcoal);
    padding: 0.35rem 0 0.55rem;
}
.letter-sign__label input::placeholder {
    color: rgba(107, 125, 141, 0.65);
}

.letter-sign__submit {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1rem 1.75rem;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.92rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: white;
    background: var(--crystal-teal);
    border: 1px solid rgba(90, 169, 184, 0.6);
    border-radius: 55% 45% 48% 52% / 48% 52% 55% 45%;
    cursor: pointer;
    transition: transform 0.4s var(--spring), box-shadow 0.3s var(--ease);
    box-shadow: 0 12px 30px rgba(90, 169, 184, 0.3);
}
.letter-sign__submit:hover {
    transform: scale(1.06) rotate(-1deg);
    box-shadow: 0 18px 40px rgba(90, 169, 184, 0.45);
}
.letter-sign__submit svg {
    width: 18px;
    height: 18px;
}

.letter-sign__status {
    flex-basis: 100%;
    min-height: 1.4rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--crystal-teal);
    margin-top: 0.75rem;
    opacity: 0;
    transition: opacity 0.4s var(--ease);
}
.letter-sign__status.is-visible {
    opacity: 1;
}

/* ===== Footer ======================================================== */
.footer {
    position: relative;
    padding: clamp(6rem, 10vw, 10rem) 5vw clamp(4rem, 7vw, 6rem);
    z-index: 3;
}

.footer__blob {
    position: absolute;
    inset: 0 10vw;
    bottom: 0;
    top: 4rem;
    border-radius: 52% 48% 45% 55% / 38% 62% 42% 58%;
    background:
        radial-gradient(circle at 40% 30%, rgba(255,255,255,0.4), transparent 55%),
        linear-gradient(180deg, rgba(var(--lilac-rgba), 0.5), rgba(240, 237, 232, 0.7));
    backdrop-filter: blur(20px) saturate(1.3);
    -webkit-backdrop-filter: blur(20px) saturate(1.3);
    border: 1px solid rgba(255, 255, 255, 0.45);
    box-shadow: inset 0 0 100px rgba(255, 255, 255, 0.3);
    animation: blob-morph 36s ease-in-out infinite;
}

.footer__body {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: clamp(3rem, 5vw, 4rem) 1.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.footer__brand {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}
.footer__mark {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    color: var(--charcoal);
    letter-spacing: 0.04em;
}
.footer__kr {
    font-family: var(--font-kr);
    font-weight: 500;
    font-size: clamp(1.3rem, 2vw, 1.75rem);
    color: var(--crystal-teal);
}

.footer__poem {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 1.05rem;
    color: var(--slate);
    line-height: 1.8;
    font-style: italic;
}

.footer__meta {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    flex-wrap: wrap;
    justify-content: center;
    font-family: var(--font-body);
    font-size: 0.82rem;
    color: var(--slate);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}
.footer__dot {
    width: 6px;
    height: 6px;
    background: var(--crystal-teal);
    border-radius: 50%;
    opacity: 0.6;
}

/* ===== Overlay (expanded blob view) ================================== */
.overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 5vh 5vw;
    background: rgba(232, 240, 248, 0.4);
    backdrop-filter: blur(16px) saturate(1.2);
    -webkit-backdrop-filter: blur(16px) saturate(1.2);
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s var(--ease);
}
.overlay.is-open {
    opacity: 1;
    pointer-events: auto;
}
.overlay[hidden] {
    display: none;
}

.overlay__blob {
    position: relative;
    width: min(900px, 100%);
    max-height: 88vh;
    overflow-y: auto;
    padding: clamp(2rem, 5vw, 4rem);
    border-radius: 48% 52% 42% 58% / 55% 45% 52% 48%;
    background:
        radial-gradient(circle at 25% 25%, rgba(255,255,255,0.55), transparent 55%),
        linear-gradient(135deg, rgba(var(--lilac-rgba), 0.85), rgba(var(--rose-rgba), 0.75));
    backdrop-filter: blur(24px) saturate(1.4);
    -webkit-backdrop-filter: blur(24px) saturate(1.4);
    border: 1px solid rgba(255, 255, 255, 0.55);
    box-shadow:
        inset 0 0 120px rgba(255, 255, 255, 0.4),
        0 50px 120px rgba(90, 169, 184, 0.25);
    transform: scale(0.86) rotateX(8deg);
    transition: transform 0.6s var(--spring);
}
.overlay.is-open .overlay__blob {
    transform: scale(1) rotateX(0);
}

.overlay__close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 44px;
    height: 44px;
    border-radius: 50% 50% 45% 55% / 55% 45% 55% 45%;
    background: rgba(255,255,255,0.5);
    border: 1px solid rgba(255,255,255,0.55);
    color: var(--crystal-teal);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.4s var(--spring), background 0.3s var(--ease);
    z-index: 3;
}
.overlay__close:hover {
    transform: scale(1.12) rotate(90deg);
    background: rgba(255,255,255,0.8);
}
.overlay__close svg {
    width: 22px;
    height: 22px;
}

.overlay__content {
    max-width: 640px;
    margin: 0 auto;
    padding: 1rem;
}
.overlay__tag {
    font-family: var(--font-kr);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--crystal-teal);
    display: inline-block;
    margin-bottom: 1rem;
}
.overlay__title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(2rem, 4.5vw, 3rem);
    line-height: 1.08;
    color: var(--charcoal);
    margin-bottom: 1rem;
    letter-spacing: 0.01em;
}
.overlay__subtitle {
    font-family: var(--font-kr);
    font-weight: 500;
    font-size: 1rem;
    color: var(--slate);
    margin-bottom: 2rem;
}
.overlay__para {
    font-size: 1.02rem;
    line-height: 1.75;
    color: var(--charcoal);
    margin-bottom: 1.25rem;
}
.overlay__divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    margin: 2rem auto;
    opacity: 0.7;
}
.overlay__divider span {
    width: 8px;
    height: 8px;
    border: 1px solid var(--crystal-teal);
    transform: rotate(45deg);
}
.overlay__divider span:nth-child(1) { opacity: 0.4; }
.overlay__divider span:nth-child(2) { opacity: 0.7; }
.overlay__divider span:nth-child(3) { opacity: 1;   }
.overlay__divider span:nth-child(4) { opacity: 0.7; }
.overlay__divider span:nth-child(5) { opacity: 0.4; }

.overlay__list {
    list-style: none;
    display: grid;
    gap: 0.8rem;
    margin: 1.5rem 0;
}
.overlay__list li {
    position: relative;
    padding: 0.9rem 1.2rem 0.9rem 2.4rem;
    border-radius: 40% 60% 48% 52% / 55% 45% 50% 50%;
    background: rgba(255,255,255,0.45);
    border: 1px solid rgba(255,255,255,0.55);
    font-size: 0.98rem;
    color: var(--charcoal);
    line-height: 1.6;
}
.overlay__list li::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 1rem;
    width: 8px;
    height: 8px;
    border: 1px solid var(--crystal-teal);
    transform: translateY(-50%) rotate(45deg);
}

/* ===== Responsive =================================================== */
@media (max-width: 900px) {
    .cluster__grid {
        grid-template-columns: 1fr;
        gap: 0;
        max-width: 520px;
    }
    .blob-card,
    .blob-card:nth-child(1),
    .blob-card:nth-child(2),
    .blob-card:nth-child(3),
    .blob-card:nth-child(4),
    .blob-card:nth-child(5) {
        grid-column: 1 / -1;
        margin-top: -2.5rem;
        aspect-ratio: auto;
        min-height: 260px;
    }
    .blob-card:first-child { margin-top: 0; }
    .blob-card:nth-child(even) { transform: translateX(6px); }
    .blob-card:nth-child(odd)  { transform: translateX(-6px); }
    .blob-card.is-visible {
        transform: translateY(0) scale(1);
    }

    .manifesto__grid {
        grid-template-columns: 1fr;
    }
    .manifesto__divider {
        flex-direction: row;
        padding: 0.5rem 0;
    }
    .manifesto__divider span {
        width: 8px;
        height: 8px;
    }

    .glossary__row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .blob--hero {
        width: 90vw;
    }
}

@media (max-width: 560px) {
    .hero {
        padding: 4rem 4vw 3rem;
    }
    .wordmark {
        letter-spacing: 0.02em;
    }
    .footer__body {
        gap: 1.5rem;
    }
    .overlay__close {
        top: 0.75rem;
        right: 0.75rem;
    }
}