:root {
  --ink: #070707;
  --charcoal: #101010;
  --panel: #151515;
  --panel-2: #1a1a1a;
  --paper: #f3f2ed;
  --muted: #a8a7a1;
  --soft: #6f6f69;
  --line: rgba(255,255,255,.14);
  --lime: #d8f233;
  --lime-soft: rgba(216,242,51,.1);
  --danger: #ff8371;
  --body: "Inter", "Noto Sans KR", sans-serif;
  --display: "Bebas Neue", "Noto Sans KR", sans-serif;
  --ease: cubic-bezier(.2,.78,.2,1);
}
* { box-sizing: border-box; }
html { background: var(--ink); color: var(--paper); font-family: var(--body); }
body { min-width: 320px; margin: 0; background: radial-gradient(circle at 60% -10%, rgba(216,242,51,.1), transparent 28rem), linear-gradient(120deg, #070707 0%, #11110f 55%, #080808 100%); }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
.skip-link { position: fixed; z-index: 30; left: 1rem; top: -4rem; padding: .7rem 1rem; background: var(--lime); color: #111; font-weight: 800; border-radius: .6rem; }
.skip-link:focus { top: 1rem; }
.transform-shell { width: min(1180px, calc(100% - 2.4rem)); margin: auto; padding: 1.5rem 0 5rem; }
.transform-header { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: .65rem; }
.brand strong { display: block; font-size: 1.28rem; letter-spacing: .08em; line-height: 1; }
.brand em { display: block; margin-top: .25rem; font-style: normal; color: var(--lime); font-size: .55rem; letter-spacing: .15em; font-weight: 800; }
.brand-mark { position: relative; width: 28px; height: 25px; display: block; overflow: hidden; }
.brand-mark::before, .brand-mark::after, .brand-mark i, .brand-mark b { content: ""; position: absolute; display: block; height: 4px; background: var(--paper); transform-origin: center; }
.brand-mark::before { width: 23px; left: 0; top: 14px; transform: rotate(-62deg); }
.brand-mark::after { width: 23px; right: 0; top: 14px; transform: rotate(62deg); }
.brand-mark i { width: 12px; left: 8px; top: 16px; transform: rotate(0); background: var(--ink); }
.brand-mark b { width: 9px; right: 1px; top: 10px; transform: rotate(62deg); background: var(--lime); }
.transform-header nav { display: flex; flex-wrap: wrap; justify-content: end; gap: .7rem; }
.transform-header nav a { color: var(--muted); font-size: .72rem; font-weight: 800; letter-spacing: .05em; padding: .55rem .65rem; border: 1px solid transparent; border-radius: 999px; }
.transform-header nav a:hover, .transform-header nav a:focus-visible { color: var(--paper); border-color: var(--line); outline: none; }
.hero { padding: clamp(3rem, 7vw, 6.5rem) 0 2.5rem; max-width: 770px; }
.eyebrow { margin: 0 0 .6rem; color: var(--muted); font-size: .67rem; letter-spacing: .16em; font-weight: 900; text-transform: uppercase; }
.eyebrow.lime { color: var(--lime); }
.hero h1, .section-heading h2 { margin: 0; letter-spacing: -.055em; }
.hero h1 { font-size: clamp(4.2rem, 11vw, 8.7rem); font-family: var(--display); font-weight: 400; line-height: .82; text-transform: uppercase; }
.hero h1 span { color: var(--lime); }
.hero > p:not(.eyebrow) { max-width: 610px; margin: 1.9rem 0 0; color: var(--muted); line-height: 1.75; font-size: .98rem; }
.hero-notes { display: flex; gap: .6rem; flex-wrap: wrap; margin-top: 1.35rem; }
.hero-notes span { padding: .45rem .6rem; border: 1px solid var(--line); border-radius: 999px; color: var(--soft); font-size: .67rem; }
.stepper { display: grid; grid-template-columns: repeat(4,1fr); gap: .5rem; list-style: none; margin: 0 0 2rem; padding: 0; }
.stepper li { display: flex; align-items: center; gap: .5rem; min-width: 0; padding: .8rem; border: 1px solid var(--line); border-radius: .8rem; color: var(--soft); background: rgba(255,255,255,.018); }
.stepper b { display: grid; place-items: center; flex: 0 0 25px; width: 25px; height: 25px; border: 1px solid currentColor; border-radius: 50%; font-size: .66rem; }
.stepper span { overflow: hidden; font-size: .73rem; text-overflow: ellipsis; white-space: nowrap; font-weight: 800; }
.stepper .is-active { border-color: var(--lime); background: var(--lime-soft); color: var(--lime); }
.stepper .is-complete { color: var(--paper); }
.step-panel { padding: clamp(1.1rem, 3vw, 2.3rem); border: 1px solid var(--line); border-radius: 1.45rem; background: linear-gradient(145deg, rgba(255,255,255,.035), rgba(255,255,255,.012)); box-shadow: 0 1.5rem 6rem rgba(0,0,0,.2); }
.section-heading { max-width: 740px; margin-bottom: 2rem; }
.section-heading h2 { font-size: clamp(2rem, 4vw, 3.7rem); line-height: 1.02; }
.section-heading > p:not(.eyebrow) { margin: .9rem 0 0; color: var(--muted); font-size: .9rem; line-height: 1.7; }
.section-heading strong { color: var(--lime); }
.category-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: .65rem; margin-bottom: 1.1rem; }
.category-card { min-height: 135px; padding: 1rem; text-align: left; color: var(--paper); border: 1px solid var(--line); border-radius: 1rem; background: rgba(0,0,0,.18); transition: border-color .2s, background .2s, transform .2s; }
.category-card:hover, .category-card:focus-visible { transform: translateY(-2px); border-color: rgba(216,242,51,.65); outline: none; }
.category-card.is-selected { border-color: var(--lime); background: linear-gradient(135deg, rgba(216,242,51,.16), rgba(216,242,51,.025)); }
.category-card span { display: block; color: var(--lime); font-size: .68rem; font-weight: 900; letter-spacing: .11em; }
.category-card b { display: block; margin-top: 1.5rem; font-size: .88rem; }
.category-card small { display: block; margin-top: .35rem; color: var(--muted); font-size: .67rem; line-height: 1.45; }
.upload-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 1rem; }
.drop-zone { position: relative; min-height: 280px; display: flex; flex-direction: column; justify-content: center; align-items: center; overflow: hidden; border: 1px dashed rgba(216,242,51,.6); border-radius: 1.1rem; background: radial-gradient(circle at 50% 105%, rgba(216,242,51,.13), transparent 40%), rgba(0,0,0,.25); transition: border-color .2s, background .2s; text-align: center; }
.drop-zone:hover, .drop-zone.is-dragging { border-color: var(--lime); background-color: rgba(216,242,51,.08); }
.upload-symbol { display: grid; place-items: center; width: 52px; height: 52px; margin-bottom: .8rem; border-radius: 50%; background: var(--lime); color: #171717; font-size: 2rem; font-weight: 400; }
.drop-zone strong { font-size: 1rem; }
.drop-zone > small { margin-top: .35rem; color: var(--muted); font-size: .7rem; }
.drop-preview { position: absolute; inset: 0; display: block; background: #111; }
.drop-preview img { width: 100%; height: 100%; object-fit: cover; }
.drop-preview em { position: absolute; right: .65rem; bottom: .65rem; padding: .3rem .45rem; border: 1px solid rgba(255,255,255,.3); border-radius: .35rem; background: rgba(0,0,0,.65); color: var(--paper); font-size: .6rem; font-style: normal; font-weight: 800; letter-spacing: .08em; }
.quality-card { padding: 1.2rem; border: 1px solid var(--line); border-radius: 1.1rem; background: rgba(0,0,0,.22); }
.quality-head { display: grid; gap: .2rem; }
.quality-head .eyebrow { margin: 0; }
.quality-head b { overflow: hidden; font-size: .82rem; text-overflow: ellipsis; white-space: nowrap; }
.quality-list { display: grid; gap: .75rem; list-style: none; padding: 1.1rem 0; margin: 1rem 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.quality-list li { display: grid; grid-template-columns: 9px 1fr; gap: .6rem; align-items: start; color: var(--muted); font-size: .75rem; line-height: 1.45; }
.quality-list i { width: 8px; height: 8px; margin-top: .2rem; border-radius: 50%; background: var(--soft); }
.quality-list li.is-pass i { background: var(--lime); box-shadow: 0 0 0 3px rgba(216,242,51,.12); }
.quality-list li.is-warn i { background: var(--danger); }
.quality-card > p { margin: 0; color: var(--soft); font-size: .69rem; line-height: 1.6; }
.consent-check { display: flex; align-items: flex-start; gap: .7rem; margin: 1.25rem 0 .45rem; cursor: pointer; }
.consent-check input { position: absolute; opacity: 0; }
.consent-check span { flex: 0 0 20px; display: grid; place-items: center; width: 20px; height: 20px; border: 1px solid var(--line); border-radius: .35rem; background: #111; transition: background .2s, border-color .2s; }
.consent-check input:checked + span { border-color: var(--lime); background: var(--lime); }
.consent-check input:checked + span::after { content: "✓"; color: #111; font-size: .87rem; font-weight: 900; }
.consent-check b { color: var(--paper); font-size: .78rem; line-height: 1.45; }
.consent-copy { margin: 0; padding-left: 1.7rem; color: var(--soft); font-size: .68rem; line-height: 1.55; }
.actions { display: flex; justify-content: flex-end; align-items: center; gap: .8rem; margin-top: 1.6rem; }
.actions.split { justify-content: space-between; }
.actions.triple .button.primary { min-width: 184px; }
.form-hint { margin-right: auto; color: var(--soft); font-size: .7rem; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: .8rem; min-height: 48px; padding: .7rem 1rem; border: 1px solid var(--line); border-radius: .7rem; color: var(--paper); background: #151515; font-weight: 900; font-size: .77rem; letter-spacing: .02em; transition: transform .2s var(--ease), box-shadow .2s, background .2s; }
.button:hover:not(:disabled), .button:focus-visible:not(:disabled) { outline: none; transform: translateY(-2px); }
.button.primary { border-color: var(--lime); color: #131313; background: var(--lime); box-shadow: 0 .7rem 1.6rem rgba(216,242,51,.13); }
.button.primary b { font-size: 1rem; }
.button.ghost { background: transparent; }
.button:disabled { opacity: .45; cursor: not-allowed; }
.direction-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: .7rem; }
.direction-option { min-height: 125px; padding: 1rem; border: 1px solid var(--line); border-radius: 1rem; background: rgba(0,0,0,.2); color: var(--paper); text-align: left; }
.direction-option:hover, .direction-option:focus-visible { border-color: rgba(216,242,51,.75); outline: none; }
.direction-option.is-selected { border-color: var(--lime); background: var(--lime-soft); }
.direction-option span { display: block; color: var(--lime); font-size: .64rem; letter-spacing: .12em; font-weight: 900; }
.direction-option b { display: block; margin-top: 1rem; font-size: .91rem; }
.direction-option small { display: block; margin-top: .4rem; color: var(--muted); line-height: 1.45; font-size: .68rem; }
.strength-field { display: grid; grid-template-columns: repeat(3,1fr); gap: .7rem; margin: 1rem 0; padding: 1rem; border: 1px solid var(--line); border-radius: 1rem; }
.strength-field legend { padding: 0 .4rem; color: var(--muted); font-size: .67rem; font-weight: 800; letter-spacing: .09em; }
.strength-field label { cursor: pointer; }
.strength-field input { position: absolute; opacity: 0; }
.strength-field span { display: block; min-height: 69px; padding: .8rem; border: 1px solid transparent; border-radius: .65rem; background: rgba(255,255,255,.035); }
.strength-field input:checked + span { border-color: var(--lime); background: var(--lime-soft); }
.strength-field b, .strength-field small { display: block; }
.strength-field b { font-size: .78rem; }
.strength-field small { margin-top: .3rem; color: var(--muted); font-size: .65rem; line-height: 1.35; }
.wish-field { display: block; }
.wish-field > span { display: block; margin-bottom: .5rem; font-size: .77rem; font-weight: 800; }
.wish-field em { margin-left: .25rem; color: var(--lime); font-size: .62rem; font-style: normal; }
.wish-field textarea { display: block; width: 100%; resize: vertical; padding: 1rem; border: 1px solid var(--line); border-radius: .9rem; background: rgba(0,0,0,.27); color: var(--paper); line-height: 1.6; outline: none; }
.wish-field textarea:focus { border-color: var(--lime); box-shadow: 0 0 0 3px rgba(216,242,51,.08); }
.wish-field small { display: block; margin-top: .55rem; color: var(--soft); font-size: .68rem; line-height: 1.5; }
.quality-warning, .disclosure-card { display: grid; grid-template-columns: 120px 1fr; gap: 1rem; margin-top: 1.2rem; padding: 1rem; border-left: 2px solid var(--lime); background: rgba(216,242,51,.05); }
.quality-warning b, .disclosure-card b { color: var(--lime); font-size: .72rem; }
.quality-warning p, .disclosure-card p { margin: 0; color: var(--muted); font-size: .75rem; line-height: 1.6; }
.preview-loading { min-height: 270px; display: grid; place-items: center; align-content: center; gap: .75rem; border: 1px solid var(--line); border-radius: 1rem; background: rgba(0,0,0,.22); }
.preview-loading span { width: 33px; height: 33px; border: 2px solid rgba(216,242,51,.2); border-top-color: var(--lime); border-radius: 50%; animation: spin 1s linear infinite; }
.preview-loading b { font-size: .9rem; }
.preview-loading small { color: var(--soft); font-size: .7rem; }
@keyframes spin { to { transform: rotate(360deg); } }
.after-preview-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: .85rem; }
.after-card { position: relative; aspect-ratio: 4 / 5; overflow: hidden; border: 1px solid var(--line); border-radius: 1rem; background: #121212; color: var(--paper); text-align: left; }
.after-card:hover, .after-card:focus-visible { border-color: rgba(216,242,51,.7); outline: none; }
.after-card.is-selected { border: 2px solid var(--lime); box-shadow: 0 0 0 3px rgba(216,242,51,.1); }
.after-card img { width: 100%; height: 100%; object-fit: cover; transition: filter .25s; }
.after-card::after { content: "AVVM PREVIEW · WATERMARK · AVVM PREVIEW"; position: absolute; inset: 18% -40%; display: grid; align-items: center; transform: rotate(-34deg); color: rgba(255,255,255,.48); font-size: .62rem; font-weight: 900; letter-spacing: .12em; pointer-events: none; text-align: center; }
.after-card .card-meta { position: absolute; z-index: 1; right: .6rem; bottom: .6rem; left: .6rem; padding: .6rem; border: 1px solid rgba(255,255,255,.19); border-radius: .6rem; background: rgba(0,0,0,.64); backdrop-filter: blur(7px); }
.after-card .card-meta span { color: var(--lime); font-size: .6rem; font-weight: 900; letter-spacing: .1em; }
.after-card .card-meta b { display: block; margin-top: .25rem; font-size: .8rem; }
.after-card .card-meta small { display: block; margin-top: .2rem; color: #d0d0ca; font-size: .61rem; line-height: 1.35; }
.preview-tools { display: flex; justify-content: end; gap: .6rem; margin: .9rem 0; }
.preview-tools .button { min-height: 40px; font-size: .68rem; }
.comparison-card { display: grid; grid-template-columns: .75fr 1.25fr; gap: 1.1rem; align-items: start; padding: 1rem; border: 1px solid var(--line); border-radius: 1rem; background: rgba(0,0,0,.19); }
.comparison-card h3 { margin: 0; font-size: 1.2rem; }
.comparison-frame { position: relative; min-height: 330px; overflow: hidden; border-radius: .8rem; background: #1b1b1b; }
.comparison-frame > img, .after-clip img { width: 100%; height: 100%; object-fit: cover; }
.comparison-frame > img { position: absolute; inset: 0; }
.after-clip { position: absolute; inset: 0 50% 0 0; overflow: hidden; border-right: 2px solid var(--lime); }
.after-clip img { position: absolute; width: 100%; max-width: none; }
.watermark { position: absolute; inset: 14% -35%; transform: rotate(-31deg); display: flex; align-items: center; color: rgba(255,255,255,.44); white-space: nowrap; font-size: .64rem; font-weight: 900; letter-spacing: .13em; }
.compare-label { position: absolute; top: .6rem; z-index: 2; padding: .25rem .4rem; border-radius: .3rem; background: rgba(0,0,0,.62); font-size: .57rem; font-weight: 900; letter-spacing: .08em; }
.compare-label.before { left: .6rem; }.compare-label.after { right: .6rem; color: var(--lime); }
.comparison-frame input { position: absolute; z-index: 4; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; }
.comparison-note { grid-column: 1 / -1; margin: 0; color: var(--soft); font-size: .67rem; line-height: 1.55; }
.motion-layout { display: grid; grid-template-columns: 1fr .82fr; gap: 1rem; }
.motion-mockup, .handoff-card { overflow: hidden; border: 1px solid var(--line); border-radius: 1rem; background: rgba(0,0,0,.22); }
.motion-canvas { position: relative; width: min(100%, 365px); margin: 1.2rem auto; aspect-ratio: 9 / 16; overflow: hidden; background: #111; }
.motion-canvas img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.motion-canvas img:last-of-type { clip-path: inset(0 100% 0 0); filter: contrast(1.06) saturate(1.04); }
.motion-canvas.is-playing img:last-of-type { animation: revealAfter 2.4s var(--ease) both; }
.motion-sweep { position: absolute; z-index: 2; inset: 0 auto 0 -30%; width: 18%; background: linear-gradient(90deg, transparent, rgba(216,242,51,.67), transparent); mix-blend-mode: screen; opacity: 0; }
.motion-canvas.is-playing .motion-sweep { animation: sweep 2.4s var(--ease) both; }
.motion-watermark { position: absolute; z-index: 3; bottom: .6rem; right: .6rem; padding: .3rem .4rem; border: 1px solid rgba(255,255,255,.25); border-radius: .3rem; background: rgba(0,0,0,.55); color: var(--paper); font-size: .54rem; font-weight: 900; letter-spacing: .08em; }
@keyframes revealAfter { 0%, 12% { clip-path: inset(0 100% 0 0); } 72%, 100% { clip-path: inset(0 0 0 0); } }
@keyframes sweep { 0%, 10% { transform: translateX(0); opacity: 0; } 16% { opacity: 1; } 76%, 100% { transform: translateX(700%); opacity: 0; } }
.motion-controls { display: flex; justify-content: center; align-items: center; gap: .8rem; padding: 0 1rem 1rem; }
.motion-controls span { color: var(--soft); font-size: .65rem; }
.button.small { min-height: 38px; padding: .5rem .7rem; font-size: .67rem; }
.handoff-card { padding: 1.35rem; }
.handoff-card h3 { margin: .6rem 0 1.4rem; font-size: 1.45rem; line-height: 1.2; letter-spacing: -.04em; }
.handoff-card ol { display: grid; gap: .7rem; list-style: none; margin: 0 0 1.4rem; padding: 0; }
.handoff-card li { display: grid; grid-template-columns: 28px 1fr; gap: .55rem; align-items: center; color: var(--muted); font-size: .76rem; }
.handoff-card li b { display: grid; place-items: center; width: 27px; height: 27px; border: 1px solid var(--line); border-radius: 50%; color: var(--lime); font-size: .61rem; }
.button.locked { width: 100%; color: var(--muted); justify-content: space-between; }
.button.locked span { color: var(--danger); font-size: .58rem; letter-spacing: .08em; }
.handoff-card > p:last-child { margin: .8rem 0 0; color: var(--soft); font-size: .66rem; line-height: 1.55; }
.disclosure-card { margin-top: 1rem; }
.toast { position: fixed; z-index: 25; left: 50%; bottom: 1.2rem; width: max-content; max-width: calc(100% - 2rem); transform: translate(-50%, 130%); padding: .75rem .95rem; border: 1px solid rgba(216,242,51,.6); border-radius: .7rem; background: #151515; box-shadow: 0 .8rem 2rem rgba(0,0,0,.4); color: var(--paper); font-size: .73rem; transition: transform .25s var(--ease); }
.toast.is-visible { transform: translate(-50%, 0); }
@media (max-width: 760px) {
  .transform-shell { width: min(100% - 1.25rem, 620px); padding-top: .7rem; }
  .transform-header { min-height: 60px; }
  .transform-header nav a:first-child { display: none; }
  .hero { padding: 3.2rem .2rem 1.7rem; }
  .hero h1 { font-size: clamp(3.6rem, 18vw, 5.7rem); }
  .stepper { gap: .35rem; overflow: hidden; }
  .stepper li { justify-content: center; padding: .65rem .35rem; }
  .stepper span { display: none; }
  .step-panel { padding: 1rem; border-radius: 1rem; }
  .category-grid { grid-template-columns: repeat(2,1fr); }
  .category-card { min-height: 110px; }
  .category-card b { margin-top: .9rem; }
  .upload-layout, .motion-layout, .comparison-card { grid-template-columns: 1fr; }
  .drop-zone { min-height: 245px; }
  .direction-grid { grid-template-columns: repeat(2,1fr); }
  .strength-field { grid-template-columns: 1fr; }
  .strength-field span { min-height: auto; }
  .after-preview-grid { grid-template-columns: 1fr; }
  .after-card { aspect-ratio: 16 / 10; }
  .after-card img { object-position: center 38%; }
  .comparison-frame { min-height: 360px; }
  .quality-warning, .disclosure-card { grid-template-columns: 1fr; gap: .45rem; }
  .actions, .actions.split { align-items: stretch; flex-direction: column-reverse; }
  .actions .button { width: 100%; }
  .form-hint { margin: 0; text-align: center; }
  .preview-tools { justify-content: stretch; }
  .preview-tools .button { flex: 1; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; } }