@import url("site-chrome.css?v=20260930-gnb");
/* Standalone homepage concepts; deliberately isolated from the live homepage stylesheet. */
:root { color-scheme: dark; --bg: #070e13; --surface: #0e1b22; --ink: #eef8f7; --muted: #99aeb5; --accent: #67f8cb; --line: #25373e; --gutter: clamp(22px, 5vw, 88px); }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--bg); font-family: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
button[hidden] { display: none; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; }
p, h1, h2, h3 { margin: 0; }
.skip { position: fixed; top: -80px; left: 20px; padding: 16px; z-index: 100; background: var(--accent); color: var(--bg); }
.skip:focus { top: 12px; }
.preview-bar { min-height: 44px; padding: 7px var(--gutter); display: flex; align-items: center; justify-content: space-between; gap: 16px; background: #142028; border-bottom: 1px solid var(--line); color: #a2b2b8; font-size: 12px; letter-spacing: 1px; }
.preview-bar b { margin-left: 14px; color: #effaf8; font-weight: 500; }
.preview-bar > div { display: flex; align-items: center; gap: 6px; }
.preview-bar a, .motion-toggle { padding: 6px 12px; border: 1px solid transparent; background: transparent; color: #d0dddf; border-radius: 4px; font-size: 12px; white-space: nowrap; }
.preview-bar a[aria-current] { color: var(--accent); border-color: var(--accent); }
.motion-toggle { margin-left: 8px; border-color: #41525b; }
.eyebrow { display: flex; align-items: center; gap: 10px; color: var(--accent); font-size: 12px; letter-spacing: 1.8px; font-weight: 600; line-height: 1.8; }
.status-dot { width: 6px; height: 6px; background: var(--accent); border-radius: 50%; box-shadow: 0 0 14px var(--accent); flex-shrink: 0; }
.core-hero { position: relative; isolation: isolate; display: grid; grid-template-columns: .92fr 1.08fr; min-height: 730px; align-items: center; padding: 50px var(--gutter) 72px; overflow: hidden; background: radial-gradient(ellipse at 78% 50%, #113e3d77, transparent 55%); }
.particle-field { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: -1; opacity: .65; }
.core-copy { position: relative; z-index: 2; }
.core-copy h1 { font-size: clamp(40px, 4.15vw, 72px); line-height: 1.2; letter-spacing: -.055em; font-weight: 750; margin: 30px 0 26px; }
.core-copy h1 > span { color: var(--accent); font-size: 1.13em; letter-spacing: -.04em; }
.lead { font-size: 17px; line-height: 1.9; color: var(--muted); word-break: keep-all; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; justify-content: space-between; align-items: center; gap: 28px; min-height: 52px; padding: 15px 22px; font-size: 14px; font-weight: 650; border: 1px solid var(--line); transition: transform .2s, background .2s; }
.button:hover { transform: translateY(-3px); }
.button.primary { background: var(--accent); color: #091611; border-color: var(--accent); }
.button.secondary { background: #0b171b66; color: #d6e5e5; }
.copy-foot { display: flex; flex-wrap: wrap; gap: 16px; font-size: 12px; color: #8ca4ac; margin-top: 38px; }
.copy-foot span + span { border-left: 1px solid var(--line); padding-left: 16px; }
.core-map { position: relative; width: 100%; aspect-ratio: 1.12; max-width: 770px; justify-self: center; }
.map-grid { position: absolute; inset: 3%; background-image: linear-gradient(#83ecc609 1px, transparent 1px), linear-gradient(90deg, #83ecc609 1px, transparent 1px); background-size: 34px 34px; mask-image: radial-gradient(closest-side, #000 35%, transparent 92%); -webkit-mask-image: radial-gradient(closest-side, #000 35%, transparent 92%); }
.orbit { position: absolute; left: 50%; top: 50%; border: 1px solid #6ce7ce22; border-radius: 50%; transform: translate(-50%, -50%); }
.orbit-one { width: 56%; aspect-ratio: 1; border-top-color: #6cfacb88; border-bottom-color: #6cfacb88; animation: orbit-spin 24s linear infinite; }
.orbit-two { width: 79%; aspect-ratio: 1; border-style: dashed; animation: orbit-spin 65s linear infinite reverse; }
.orbit-three { width: 38%; aspect-ratio: 1; border-color: #6cfacb77; box-shadow: 0 0 70px #4efcbd13, inset 0 0 40px #4efcbd13; animation: core-breathe 4s ease-in-out infinite; }
.orbit-one::before, .orbit-two::before { content: ''; position: absolute; width: 7px; height: 7px; background: #a6ffe5; box-shadow: 0 0 18px #66ffc9; border-radius: 50%; top: 14%; left: 14%; }
.core-center { position: absolute; left: 50%; top: 50%; width: 37%; aspect-ratio: 1; transform: translate(-50%, -50%); display: flex; flex-direction: column; justify-content: center; align-items: center; border-radius: 50%; background: radial-gradient(circle, #1f5549aa, #0b242777 65%, transparent); }
.core-center strong { font-size: clamp(36px, 4vw, 66px); letter-spacing: -.06em; text-shadow: 0 0 32px #8cfed666; line-height: 1.35; }
.core-center strong span { font-size: 12px; vertical-align: top; margin-left: 3px; }
.core-caption, .core-sub { font-size: 12px; color: #a5c4c0; letter-spacing: .5px; transform: scale(.86); white-space: nowrap; }
.core-sub { color: var(--accent); }
.rays { position: absolute; inset: 0; }
.rays > i { position: absolute; top: 50%; left: 50%; width: 36%; height: 1px; background: linear-gradient(90deg, #73ffd477, #73ffd422); transform-origin: left center; transform: rotate(-145deg); }
.rays > i:nth-child(2) { transform: rotate(-90deg); width: 34%; }
.rays > i:nth-child(3) { transform: rotate(-35deg); }
.rays > i:nth-child(4) { transform: rotate(145deg); }
.rays > i:nth-child(5) { transform: rotate(90deg); width: 34%; }
.rays > i:nth-child(6) { transform: rotate(35deg); }
.rays > i::after { content: ''; position: absolute; left: 0; top: -1px; width: 28px; height: 3px; background: linear-gradient(90deg, transparent, #adffe5); box-shadow: 4px 0 12px #72ffc9; animation: ray-travel 3.6s linear infinite; }
.rays > i:nth-child(2n)::after { animation-delay: -1.2s; }
.rays > i:nth-child(3n)::after { animation-delay: -2.4s; }
.tool-node { position: absolute; display: flex; align-items: center; gap: 12px; width: 32%; min-height: 70px; padding: 14px; border: 1px solid #4b807a77; background: linear-gradient(120deg, #15312f, #0b191f); box-shadow: 0 12px 35px #0004; border-radius: 9px; transform: translate(-50%, -50%); transition: border-color .25s, box-shadow .25s; z-index: 2; animation: node-energize 6s ease-in-out infinite; }
.tool-node:hover { border-color: var(--accent); box-shadow: 0 0 28px #67f8cb33; }
.studio-node-body { min-width: 0; }
.studio-node-links { display: flex; align-items: center; gap: 12px; margin-top: 7px; }
.studio-node-links a { display: inline-flex; align-items: center; min-height: 26px; font-size: 12px; white-space: nowrap; color: #c1cdcf; border-bottom: 1px solid #4b807a77; }
.studio-node-links a:last-child { color: var(--accent); }
.studio-node-links a:hover { color: #fff; border-bottom-color: var(--accent); }
.node-icon { font-size: 27px; color: var(--accent); min-width: 30px; text-align: center; }
.tool-node small { display: block; color: #86a5a9; font-size: 12px; letter-spacing: .2px; margin-bottom: 5px; }
.tool-node b { font-size: 16px; font-weight: 600; white-space: nowrap; }
.node-arrow { margin-left: auto; font-size: 13px; color: #7eb8aa; }
.node-web { left: 17%; top: 28%; }
.node-eclipse { left: 50%; top: 12%; animation-delay: -1s; }
.node-ai { left: 83%; top: 28%; animation-delay: -2s; }
.node-react { left: 17%; top: 73%; animation-delay: -3s; }
.node-code { left: 50%; top: 89%; animation-delay: -4s; }
.node-view { left: 83%; top: 73%; animation-delay: -5s; }
.map-caption { position: absolute; bottom: -32px; left: 0; right: 0; text-align: center; color: #779f9b; font-size: 12px; letter-spacing: 2px; }
.map-caption span { display: inline-block; width: 24px; height: 1px; background: var(--accent); vertical-align: middle; margin-right: 12px; }
.stack-strip { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 30px var(--gutter); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #0c171d; }
.stack-strip p { font-size: 12px; letter-spacing: 1.2px; color: #b9cdcd; }
.stack-strip p > span { display: block; font-size: 13px; color: #809a9e; letter-spacing: 0; margin-top: 7px; }
.stack-strip > div { display: flex; flex-wrap: wrap; gap: clamp(18px, 3vw, 48px); color: #b5c3c6; font-size: 20px; font-weight: 600; }
.next-section { padding: 94px var(--gutter) 85px; }
.next-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin: 22px 0 45px; }
.next-heading h2 { font-size: clamp(32px, 3.3vw, 48px); letter-spacing: -.045em; line-height: 1.3; }
.next-heading > p { font-size: 15px; color: var(--muted); line-height: 1.9; }
.feature-row { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.feature-row a { padding: 28px 25px 16px 0; position: relative; }
.feature-row a + a { padding-left: 28px; border-left: 1px solid var(--line); }
.feature-row a > span { font-size: 12px; color: var(--accent); letter-spacing: 1.1px; }
.feature-row h3 { font-size: 21px; margin: 28px 0 12px; letter-spacing: -.6px; }
.feature-row p { color: var(--muted); font-size: 14px; line-height: 1.7; }
.feature-row a > b { display: block; margin-top: 25px; font-size: 25px; font-weight: 400; }
footer { display: flex; justify-content: space-between; gap: 24px; padding: 27px var(--gutter); border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; letter-spacing: 1px; }

/* B: a typographic launch scene, with a horizontal assembly flow. */
.concept-b { --bg: #10100f; --surface: #21211f; --ink: #f5f2e9; --muted: #aaa99f; --accent: #ffa16a; --line: #383730; }
.concept-b .preview-bar { background: #22201c; }
.concept-b .button.primary { color: #241208; }
.concept-b .button.secondary { background: #191816; }
.stream-hero { position: relative; isolation: isolate; overflow: hidden; padding: 52px var(--gutter) 0; background: radial-gradient(ellipse at 52% 71%, #a4491c33, transparent 53%); }
.stream-copy { text-align: center; position: relative; z-index: 2; }
.stream-copy .eyebrow, .stream-copy .actions { justify-content: center; }
.stream-copy h1 { font-size: clamp(48px, 6.5vw, 100px); font-weight: 760; letter-spacing: -.06em; line-height: 1.2; margin: 23px 0 2px; }
.stream-copy h1 span { color: var(--accent); }
.stream-subtitle { font-size: clamp(36px, 5.5vw, 82px); color: #aaa69a; font-weight: 300; line-height: 1.15; letter-spacing: -.055em; }
.stream-subtitle strong { color: var(--ink); font-weight: 750; }
.stream-copy .lead { margin-top: 22px; font-size: 16px; }
.stream-copy .actions { margin-top: 24px; }
.build-scene { position: relative; height: 360px; max-width: 1260px; margin: 28px auto 0; display: grid; grid-template-columns: 24% 23% 43%; gap: 5%; align-items: center; }
.floor-grid { position: absolute; width: 125%; height: 370px; left: -12.5%; bottom: -130px; z-index: -1; transform: perspective(460px) rotateX(61deg); background-image: linear-gradient(#bd815826 1px, transparent 1px), linear-gradient(90deg, #bd815826 1px, transparent 1px); background-size: 42px 42px; mask-image: radial-gradient(ellipse, black 20%, transparent 70%); }
.tool-bank { position: relative; z-index: 2; padding: 0 22px 0 0; }
.scene-label { color: #a9a396; font-size: 12px; letter-spacing: 1.2px; margin-bottom: 16px; }
.tool-bank > a, .tool-pair a { display: flex; align-items: center; padding: 16px 18px; background: linear-gradient(115deg, #2e2b25, #191917); border: 1px solid #51483c; margin-bottom: 9px; font-size: 17px; font-weight: 550; box-shadow: 0 8px 30px #0004; }
.tool-bank > a span { color: var(--accent); margin-right: 15px; font-size: 23px; }
.tool-bank a:hover { border-color: var(--accent); }
.tool-pair { display: flex; gap: 9px; }
.tool-pair a { flex: 1; justify-content: center; padding: 15px 8px; font-size: 14px; }
.stream-track { position: absolute; top: 51%; height: 45px; z-index: 0; border-top: 1px solid #d67f4566; border-bottom: 1px solid #d67f4522; }
.track-in { left: 19%; width: 20%; }
.track-out { left: 44%; width: 23%; }
.stream-track i { position: absolute; width: 62px; height: 2px; background: linear-gradient(90deg, transparent, #ffbe77); box-shadow: 0 0 12px #ffa16a; animation: stream-flow 2.7s linear infinite; }
.stream-track i:nth-child(2) { top: 20px; animation-delay: -.9s; }
.stream-track i:nth-child(3) { top: 42px; animation-delay: -1.8s; }
.build-core { width: 100%; max-width: 210px; aspect-ratio: 1; position: relative; z-index: 2; justify-self: center; display: flex; flex-direction: column; align-items: center; justify-content: center; background: linear-gradient(140deg, #4b3020, #181613 70%); border: 1px solid #f1aa69; box-shadow: 0 0 65px #ed8b4233, inset 0 0 34px #ef9d3422; transform: rotate(-6deg); border-radius: 30px; }
.build-core > span { font-size: 12px; letter-spacing: 1.1px; color: #d2aa83; }
.build-core strong { font-size: clamp(35px, 4vw, 62px); line-height: 1.3; letter-spacing: -.055em; }
.core-halo { position: absolute; inset: -20px; border: 1px solid #faaf5a33; border-radius: 42px; animation: launch-halo 4s ease-in-out infinite; }
.core-meter { display: flex; gap: 4px; position: absolute; bottom: 20px; height: 12px; align-items: end; }
.core-meter i { width: 4px; height: 100%; background: var(--accent); animation: meter 1.4s ease-in-out infinite alternate; transform-origin: bottom; }
.core-meter i:nth-child(2n) { animation-delay: -.7s; }
.core-meter i:nth-child(3n) { animation-delay: -.4s; }
.screen-stack { position: relative; z-index: 2; padding-right: 30px; padding-bottom: 25px; }
.desktop-screen { border: 1px solid #8b8472; background: #e8e6db; color: #2e332f; border-radius: 9px; overflow: hidden; box-shadow: 0 30px 70px #0008; transform: perspective(900px) rotateY(-9deg) rotateX(3deg); }
.window-bar { display: flex; align-items: center; justify-content: space-between; padding: 12px 14px; background: #33362e; color: #bbbcb1; font-size: 12px; }
.window-bar > b { font-size: 12px; font-weight: 500; letter-spacing: 1px; }
.window-bar > span:first-child { color: #969581; }
.app-shell { display: flex; min-height: 215px; }
.app-nav { width: 43px; flex-shrink: 0; display: flex; flex-direction: column; align-items: center; gap: 16px; background: #d4d8ca; padding: 14px 0; }
.app-nav b { font-size: 22px; }
.app-nav i { width: 14px; height: 3px; background: #a3ab98; }
.app-body { padding: 16px 14px; flex: 1; min-width: 0; }
.app-title { font-size: 14px; font-weight: 700; display: flex; justify-content: space-between; }
.app-title > span { color: #777e6a; font-size: 12px; font-weight: 400; }
.metrics { display: flex; gap: 7px; margin-top: 13px; }
.metrics > div { background: #f6f5ef; padding: 9px; flex: 1; }
.metrics small { display: block; font-size: 12px; color: #616952; }
.metrics b { display: block; font-size: 24px; margin-top: 6px; }
.metrics b span { float: right; font-size: 14px; color: #739348; }
.metrics b small { display: inline; margin-left: 2px; }
.chart-bars { display: flex; align-items: end; gap: 7px; height: 56px; border-bottom: 1px solid #bdc4b1; margin-top: 14px; }
.chart-bars i { flex: 1; height: 45%; background: #829665; transform-origin: bottom; animation: chart-grow 7s ease-in-out infinite; }
.chart-bars i:nth-child(3n) { height: 80%; animation-delay: -.3s; background: #a4b782; }
.chart-bars i:nth-child(3n+1) { height: 58%; animation-delay: -.6s; }
.chart-bars i:nth-child(4n) { height: 95%; animation-delay: -.9s; }
.app-table { display: flex; gap: 8px; margin-top: 13px; }
.app-table i { width: 30%; height: 4px; background: #c5cbba; }
.phone-screen { position: absolute; bottom: 15px; right: -12px; width: 102px; height: 192px; border: 4px solid #4a4b41; border-radius: 19px; background: #edece3; color: #32392b; padding: 12px 9px; box-shadow: -15px 15px 35px #0005; transform: rotate(6deg); animation: phone-float 6s ease-in-out infinite; }
.phone-notch { width: 32px; height: 5px; margin: -8px auto 12px; border-radius: 4px; background: #4a4b41; }
.phone-screen > span { font-size: 12px; font-weight: 700; }
.phone-screen > b { display: block; font-size: 15px; margin: 9px 0; line-height: 1.3; }
.phone-chart { width: 42px; height: 42px; border-radius: 50%; border: 8px solid #c9d1b6; border-right-color: #748b52; border-top-color: #748b52; margin: 5px auto; }
.phone-line { height: 3px; background: #c4c9b8; margin-top: 6px; }
.phone-line.short { width: 65%; }
.phone-bottom { font-size: 12px; transform: scale(.65); transform-origin: left; width: 150%; margin-top: 7px; color: #546440; white-space: nowrap; }
.phone-bottom span { margin-left: 5px; }
.screen-caption { position: absolute; bottom: -5px; left: 0; font-size: 12px; color: #c0b9a8; letter-spacing: 1px; }
.scene-footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 21px 0 25px; border-top: 1px solid #ffffff17; position: relative; color: #b4ab9b; font-size: 12px; letter-spacing: .6px; }
.scene-footer > div { display: flex; gap: 28px; color: var(--accent); }
.scene-footer i { display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); margin-right: 7px; }
.concept-b .stack-strip { background: #1b1c18; }
.concept-b .stack-strip p, .concept-b .stack-strip > div { color: #c2c3b6; }
.concept-b .stack-strip p > span { color: #939788; }
.concept-b .next-section { background: #edece4; color: #262e24; --line: #cbcdc1; --accent: #687b42; --muted: #66705d; }

@keyframes orbit-spin { to { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes core-breathe { 50% { box-shadow: 0 0 90px #4efcbd30, inset 0 0 48px #4efcbd26; } }
@keyframes ray-travel { 0% { left: 10%; opacity: 0; } 15% { opacity: 1; } 90% { opacity: 1; } 100% { left: 90%; opacity: 0; } }
@keyframes node-energize { 0%, 32%, 100% { border-color: #4b807a77; } 16% { border-color: #85ffdd; box-shadow: 0 0 25px #67f8cb25; } }
@keyframes stream-flow { 0% { left: 0; opacity: 0; } 20% { opacity: 1; } 80% { opacity: 1; } 100% { left: 80%; opacity: 0; } }
@keyframes launch-halo { 50% { transform: scale(1.09); opacity: .35; } }
@keyframes meter { to { transform: scaleY(.3); } }
@keyframes chart-grow { 0%, 15% { transform: scaleY(.2); } 40%, 90% { transform: scaleY(1); } 100% { transform: scaleY(.2); } }
@keyframes phone-float { 50% { transform: translateY(-9px) rotate(6deg); } }
.motion-paused *, .motion-paused *::before, .motion-paused *::after { animation-play-state: paused !important; }

@media (min-width: 1650px) {
  .core-hero { min-height: 800px; }
  .stream-hero { padding-top: 65px; }
}
@media (max-width: 1200px) {
  .core-hero { grid-template-columns: 1fr 1fr; min-height: 660px; }
  .tool-node { padding: 12px 9px; gap: 7px; }
  .tool-node small, .node-arrow { display: none; }
  .tool-node b { font-size: 14px; }
  .node-icon { font-size: 23px; min-width: 23px; }
  .core-caption { display: none; }
  .core-sub { font-size: 12px; transform: scale(.7); }
  .build-core { border-radius: 23px; }
  .build-core > span { font-size: 12px; letter-spacing: 0; }
  .core-meter { bottom: 14px; }
  .app-title > span { display: none; }
  .metrics { gap: 4px; }
  .metrics > div { padding: 6px; }
  .metrics small { font-size: 12px; }
  .stack-strip { gap: 25px; }
  .stack-strip > div { gap: 22px; font-size: 18px; }
}
@media (max-width: 960px) {
  .core-hero { grid-template-columns: 1fr; padding-top: 58px; gap: 32px; }
  .core-copy { text-align: center; }
  .core-copy .eyebrow, .core-copy .actions, .copy-foot { justify-content: center; }
  .core-copy h1 { font-size: clamp(40px, 6.4vw, 66px); }
  .core-map { max-width: 650px; }
  .tool-node { min-height: 68px; padding: 14px; gap: 10px; }
  .tool-node small { display: block; }
  .tool-node b { font-size: 17px; }
  .core-center strong { font-size: 62px; }
  .core-caption { display: block; }
  .core-sub { transform: scale(.86); }
  .stack-strip { flex-direction: column; align-items: flex-start; }
  .build-scene { grid-template-columns: 23% 22% 45%; height: 310px; }
  .tool-bank { padding-right: 0; }
  .tool-bank > a { font-size: 14px; padding: 13px 9px; }
  .tool-bank > a span { font-size: 17px; margin-right: 7px; }
  .tool-pair { gap: 5px; }
  .tool-pair a { font-size: 12px; padding: 13px 4px; }
  .scene-label { letter-spacing: 0; }
  .build-core strong { font-size: 35px; }
  .build-core > span { transform: scale(.8); }
  .core-meter { bottom: 12px; height: 8px; }
  .app-nav { width: 27px; }
  .app-body { padding: 12px 8px; }
  .app-title { font-size: 12px; }
  .metrics > div:last-child { display: none; }
  .phone-screen { right: -8px; width: 86px; height: 181px; }
  .phone-screen > b { font-size: 13px; }
  .next-heading { align-items: start; flex-direction: column; }
}
@media (max-width: 640px) {
  .preview-bar { align-items: flex-start; gap: 8px; padding: 10px 16px; letter-spacing: 0; }
  .preview-bar > span { font-size: 12px; line-height: 1.5; }
  .preview-bar b { display: block; margin: 0; font-size: 12px; }
  .preview-bar > div { flex-wrap: wrap; justify-content: flex-end; max-width: 185px; gap: 2px; }
  .preview-bar a, .motion-toggle { padding: 5px 8px; margin: 0; }
  .core-hero { padding-top: 42px; gap: 30px; }
  .eyebrow { font-size: 12px; letter-spacing: .5px; }
  .core-copy h1 { font-size: clamp(32px, 8vw, 50px); margin-top: 22px; }
  .lead { font-size: 14px; }
  .desktop-break { display: none; }
  .actions { gap: 8px; margin-top: 26px; }
  .button { padding: 14px; gap: 16px; font-size: 12px; min-height: 47px; }
  .copy-foot { gap: 10px; margin-top: 24px; font-size: 12px; }
  .copy-foot span + span { padding-left: 10px; }
  .core-map { aspect-ratio: .8; }
  .tool-node { width: 32%; min-height: 57px; flex-direction: column; gap: 5px; padding: 9px 3px; text-align: center; }
  .tool-node small { display: none; }
  .tool-node b { font-size: 12px; }
  /* 스튜디오 카드가 링크 두 줄로 길어져 가운데 원·Eclipse 를 덮던 것 — 한 줄(모자라면 줄바꿈)로 */
  .studio-node-body { width: 100%; }
  .studio-node-links { flex-wrap: wrap; justify-content: center; gap: 0 7px; margin-top: 3px; }
  .studio-node-links a { min-height: 22px; font-size: 11px; }
  .node-web, .node-ai { top: 25%; }
  .node-react, .node-view { top: 75%; }
  .node-icon { font-size: 20px; line-height: 1; }
  .core-center strong { font-size: clamp(30px, 9vw, 50px); }
  .core-caption, .core-sub { display: none; }
  .node-eclipse { top: 10%; }
  .node-code { top: 90%; }
  .map-caption { letter-spacing: .5px; bottom: -28px; }
  .stack-strip { padding-top: 25px; padding-bottom: 25px; gap: 20px; }
  .stack-strip > div { gap: 15px; font-size: 15px; }
  .next-section { padding-top: 58px; padding-bottom: 50px; }
  .next-heading { margin-bottom: 32px; gap: 20px; }
  .next-heading h2 { font-size: 31px; }
  .next-heading > p { font-size: 14px; }
  .feature-row { grid-template-columns: 1fr; }
  .feature-row a, .feature-row a + a { padding: 25px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .feature-row h3 { margin-top: 16px; }
  .feature-row a > b { position: absolute; right: 0; top: 10px; }
  footer { flex-direction: column; gap: 12px; }
  .stream-hero { padding-top: 37px; }
  .stream-copy h1 { font-size: clamp(34px, 8.6vw, 54px); }
  .stream-subtitle { font-size: clamp(31px, 8vw, 48px); }
  .stream-copy .lead { font-size: 14px; margin-top: 18px; }
  .build-scene { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 28px 8%; height: auto; max-width: 460px; padding: 30px 0 15px; }
  .tool-bank { width: 52%; }
  .tool-bank > a { font-size: 15px; }
  .build-core { width: 36%; max-width: 150px; }
  .build-core > span { font-size: 12px; transform: scale(.7); white-space: nowrap; }
  .build-core strong { font-size: 32px; }
  .core-halo { inset: -9px; border-radius: 28px; }
  .core-meter { height: 6px; bottom: 8px; }
  .track-in { left: 45%; width: 26%; top: 22%; }
  .track-out { display: none; }
  .screen-stack { width: 100%; padding-right: 32px; margin-top: 8px; }
  .desktop-screen { transform: perspective(900px) rotateY(-5deg); }
  .app-shell { min-height: 208px; }
  .app-nav { width: 33px; }
  .app-body { padding: 14px 10px; }
  .metrics > div:last-child { display: block; }
  .metrics b { font-size: 21px; }
  .phone-screen { width: 95px; height: 186px; right: 0; }
  .phone-screen > b { font-size: 14px; }
  .screen-caption { bottom: -1px; }
  .floor-grid { bottom: 0; }
  .scene-footer { flex-wrap: wrap; margin-top: 28px; gap: 16px; }
  .scene-footer > span:last-child { display: none; }
  .scene-footer > div { gap: 20px; }
}
/* Motion revision: a shared JS clock drives the large movements, not just decoration. */
.motion-replay { padding: 6px 12px; border: 1px solid var(--accent); color: var(--accent); background: transparent; font-size: 12px; border-radius: 4px; white-space: nowrap; }
.motion-ready .particle-field { z-index: 1; opacity: 1; mix-blend-mode: screen; }
.motion-ready .core-center { z-index: 2; transform: translate(-50%, -50%) scale(calc(1 - var(--charge, 0) * .16 + var(--kick, 0) * .25)); box-shadow: 0 0 calc(25px + var(--charge, 0) * 65px) #5effcb77, inset 0 0 35px #5effcb33; }
.motion-ready .core-center strong { text-shadow: 0 0 calc(12px + var(--charge, 0) * 24px) #bdffeb; }
.motion-ready .orbit-one { animation: fast-orbit 6.4s cubic-bezier(.5, .02, .85, 1) infinite; border-width: 2px; }
.motion-ready .orbit-two { animation: fast-orbit 6.4s cubic-bezier(.5, .02, .85, 1) infinite reverse; }
.motion-ready .orbit-three { border-width: 2px; }
.motion-ready .rays > i::after { width: 55px; height: 4px; animation-duration: 1.3s; animation-timing-function: cubic-bezier(.7, 0, 1, .7); }
.motion-ready .tool-node { animation: none; transform: translate(-50%, -50%) translate(calc(var(--charge, 0) * var(--pull-x, 0px) - var(--kick, 0) * var(--pull-x, 0px) * 1.5), calc(var(--charge, 0) * var(--pull-y, 0px) - var(--kick, 0) * var(--pull-y, 0px) * 1.5)) scale(calc(1 - var(--charge, 0) * .07 + var(--kick, 0) * .09)); }
.node-web { --pull-x: 30px; --pull-y: 22px; }
.node-eclipse { --pull-x: 0px; --pull-y: 35px; }
.node-ai { --pull-x: -30px; --pull-y: 22px; }
.node-react { --pull-x: 30px; --pull-y: -22px; }
.node-code { --pull-x: 0px; --pull-y: -35px; }
.node-view { --pull-x: -30px; --pull-y: -22px; }
.motion-ready [data-phase="launch"] .tool-node { border-color: #9fffe1; box-shadow: 0 0 28px #5cffc65e, inset 0 0 18px #5cffc621; }
.motion-ready .core-map .map-grid { animation: grid-drift 6.4s linear infinite; }
.motion-phase { position: absolute; left: 0; top: 0; z-index: 3; color: var(--accent); font-size: 12px; letter-spacing: 1.2px; padding: 7px 10px; border-left: 2px solid var(--accent); background: #071512bf; pointer-events: none; }
.build-scene > .motion-phase { top: -14px; left: auto; right: 0; background: #281b12bd; }
.motion-ready .build-core { transform: rotate(calc(-6deg + var(--charge, 0) * 19deg - var(--kick, 0) * 23deg)) scale(calc(1 - var(--charge, 0) * .16 + var(--kick, 0) * .28)); box-shadow: 0 0 calc(35px + var(--charge, 0) * 65px) #ff963e88, inset 0 0 40px #ffc16e33; }
.motion-ready .core-halo { animation: launch-halo 1.2s ease-in-out infinite; border-width: 2px; border-color: #ffb56099; }
.motion-ready .stream-track i { width: 100px; height: 4px; animation-duration: 1.1s; animation-timing-function: cubic-bezier(.75, 0, 1, .7); }
.motion-ready .floor-grid { animation: floor-rush 1.6s linear infinite; }
.motion-ready .desktop-screen { transform: perspective(900px) translateY(calc((1 - var(--assembly, 1)) * 22px)) rotateY(calc(-9deg - (1 - var(--assembly, 1)) * 12deg)) rotateX(3deg); border-color: #cfb082; transition: border-color .4s; }
.motion-ready [data-phase="launch"] .desktop-screen { border-color: #ffe0a7; box-shadow: 0 0 42px #ff9d4255, 0 30px 70px #0008; }
.motion-ready .app-body { overflow: hidden; }
.motion-ready .metrics > div { transform: translateY(calc((1 - var(--assembly, 1)) * 32px)); opacity: calc(.25 + var(--assembly, 1) * .75); }
.motion-ready .chart-bars { transform: scaleY(var(--assembly, 1)); transform-origin: bottom; }
.motion-ready .chart-bars i { animation: none; }
.motion-ready .app-table { transform: translateX(calc((1 - var(--assembly, 1)) * 55px)); opacity: var(--assembly, 1); }
.motion-ready .phone-screen { animation: none; transform: translateY(calc((1 - var(--assembly, 1)) * 48px - var(--kick, 0) * 18px)) rotate(calc(6deg + (1 - var(--assembly, 1)) * 9deg)); opacity: calc(.3 + var(--assembly, 1) * .7); }
.motion-ready .tool-bank > a:first-of-type { transform: translateX(calc(var(--charge, 0) * 17px - var(--kick, 0) * 14px)); }
.motion-ready .tool-bank > a:nth-of-type(2) { transform: translateX(calc(var(--charge, 0) * 27px - var(--kick, 0) * 22px)); }
.motion-ready .tool-pair { transform: translateX(calc(var(--charge, 0) * 12px - var(--kick, 0) * 18px)); }
.motion-ready .core-copy h1 > span, .motion-ready .stream-copy h1 > span { background: linear-gradient(110deg, var(--accent) 30%, #fff 48%, var(--accent) 65%); background-size: 260% 100%; background-clip: text; -webkit-background-clip: text; color: transparent; animation: title-light 6.4s ease-in-out infinite; }
@keyframes fast-orbit { 0% { transform: translate(-50%, -50%) rotate(0); } 34% { transform: translate(-50%, -50%) rotate(440deg); } 65% { transform: translate(-50%, -50%) rotate(650deg); } 100% { transform: translate(-50%, -50%) rotate(720deg); } }
@keyframes grid-drift { to { background-position: 34px 34px; } }
@keyframes floor-rush { to { background-position: 0 84px; } }
@keyframes title-light { 0%, 20% { background-position: 100% 0; } 52%, 100% { background-position: -100% 0; } }
@media (max-width: 640px) {
  .preview-bar > div { max-width: 205px; }
  .preview-bar > span { flex: 1; min-width: 90px; }
  .motion-replay { padding: 5px 8px; }
  .motion-phase { font-size: 12px; letter-spacing: 0; padding: 5px 7px; }
  .build-scene > .motion-phase { top: -2px; }
  .node-web, .node-react { --pull-x: 16px; }
  .node-ai, .node-view { --pull-x: -16px; }
  .node-eclipse { --pull-y: 21px; }
  .node-code { --pull-y: -21px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  body:not(.motion-override) *, body:not(.motion-override) *::before, body:not(.motion-override) *::after { animation: none !important; transition: none !important; }
}