/* ================= Tokens ================= */
:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --surface-2: #f3f1ea;
  --border: #e6e2d7;
  --text: #17161a;
  --muted: #5f5b69;
  --primary: #17161a;
  --on-primary: #ffffff;

  --claude: #e0643a;
  --gpt: #0f9d77;
  --gemini: #2f6bff;
  --bedrock: #e38a00;
  --compat: #8b5cf6;
  --pink: #ff3d8b;
  --orange: #ff7a1a;
  --yellow: #ffc233;
  --lime: #6cc23a;
  --cyan: #00b8d4;
  --violet: #7c5cff;
  --kakao: #fee500;

  --rainbow: linear-gradient(90deg, #ff3d8b, #ff7a1a, #ffc233, #6cc23a, #00b8d4, #2f6bff, #8b5cf6, #ff3d8b);
  --glass: color-mix(in srgb, var(--surface) 72%, transparent);
  --shadow: 0 1px 2px rgba(23, 22, 26, .05), 0 12px 32px rgba(23, 22, 26, .08);
  --blob-opacity: .55;
  --radius: 18px;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Apple SD Gothic Neo", "Malgun Gothic", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d0c12; --surface: #16151d; --surface-2: #1f1d28; --border: #2d2a38;
    --text: #f2f0f7; --muted: #a8a3b8; --primary: #f2f0f7; --on-primary: #0d0c12;
    --claude: #ff8a5c; --gpt: #34d399; --gemini: #6b9bff; --bedrock: #ffb23f; --compat: #b39dff;
    --pink: #ff5c9e; --orange: #ff9447; --yellow: #ffd257; --lime: #8fe35a; --cyan: #33d6ee; --violet: #9d85ff;
    --shadow: 0 1px 2px rgba(0, 0, 0, .5), 0 16px 40px rgba(0, 0, 0, .35);
    --blob-opacity: .38;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0d0c12; --surface: #16151d; --surface-2: #1f1d28; --border: #2d2a38;
  --text: #f2f0f7; --muted: #a8a3b8; --primary: #f2f0f7; --on-primary: #0d0c12;
  --claude: #ff8a5c; --gpt: #34d399; --gemini: #6b9bff; --bedrock: #ffb23f; --compat: #b39dff;
  --pink: #ff5c9e; --orange: #ff9447; --yellow: #ffd257; --lime: #8fe35a; --cyan: #33d6ee; --violet: #9d85ff;
  --shadow: 0 1px 2px rgba(0, 0, 0, .5), 0 16px 40px rgba(0, 0, 0, .35);
  --blob-opacity: .38;
  color-scheme: dark;
}

/* ================= Base ================= */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--sans); overflow-x: hidden; }
a { color: inherit; }
code, kbd { font-family: var(--mono); font-size: .86em; background: var(--surface-2); padding: 1px 6px; border-radius: 6px; }
kbd { border: 1px solid var(--border); border-bottom-width: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--primary); color: var(--on-primary); padding: 8px 12px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--gemini); outline-offset: 3px; }
.wrap { width: min(1200px, 100% - 40px); margin: 0 auto; position: relative; }
.wrap.narrow { width: min(800px, 100% - 40px); }
@media (max-width: 600px) { .wrap, .wrap.narrow { width: calc(100% - 32px); } }
#confetti { position: fixed; inset: 0; width: 100vw; height: 100vh; pointer-events: none; z-index: 60; }

.rainbow-text {
  background: var(--rainbow); background-size: 300% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: slide 8s linear infinite;
}
@keyframes slide { to { background-position: 300% 0; } }
.t-claude { color: var(--claude); } .t-gpt { color: var(--gpt); } .t-gemini { color: var(--gemini); } .t-bedrock { color: var(--bedrock); } .t-compat { color: var(--compat); }

/* ================= Buttons ================= */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 10px 22px; border-radius: 14px; border: 0;
  font: 700 15.5px/1 var(--sans); text-decoration: none; white-space: nowrap; cursor: pointer; color: var(--text);
  transition: transform .15s ease, box-shadow .2s ease, filter .2s ease;
}
.btn-sm { min-height: 40px; padding: 8px 16px; font-size: 14px; border-radius: 12px; }
.btn-rainbow { color: #fff; background: var(--rainbow); background-size: 300% 100%; animation: slide 6s linear infinite; box-shadow: 0 6px 20px color-mix(in srgb, var(--pink) 35%, transparent); }
.btn-rainbow:hover { filter: saturate(1.25) brightness(1.05); box-shadow: 0 10px 28px color-mix(in srgb, var(--violet) 45%, transparent); }
.btn-glass { background: var(--glass); border: 1px solid var(--border); backdrop-filter: blur(10px); }
.btn-glass:hover { background: var(--surface); }
.btn:disabled { opacity: .6; cursor: progress; }
.icon-btn { width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--border); background: var(--glass); color: var(--text); font-size: 18px; cursor: pointer; }
.icon-btn:hover { background: var(--surface); }

/* ================= Nav ================= */
.nav { position: sticky; top: 0; z-index: 30; background: color-mix(in srgb, var(--bg) 78%, transparent); backdrop-filter: saturate(1.6) blur(14px); border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent); }
.nav-inner { display: flex; align-items: center; gap: 18px; min-height: 66px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 850; font-size: 20px; letter-spacing: -.02em; text-decoration: none; }
.logo { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 10px; color: #fff; font-weight: 800; background: var(--rainbow); background-size: 300% 100%; animation: slide 6s linear infinite; }
.logo.sm { width: 20px; height: 20px; border-radius: 6px; font-size: 11px; vertical-align: -4px; margin-right: 4px; }
.nav-links { display: flex; gap: 20px; margin-left: auto; font-size: 14.5px; font-weight: 600; }
.nav-links a { text-decoration: none; color: var(--muted); position: relative; }
.nav-links a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 2px; border-radius: 2px; background: var(--rainbow); transform: scaleX(0); transition: transform .25s ease; }
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { transform: scaleX(1); }
@media (max-width: 900px) { .nav-links { display: none; } #theme-toggle { margin-left: auto; } }

/* ================= Blobs & spotlight ================= */
.blobs { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.blobs span { position: absolute; width: 44vmax; height: 44vmax; border-radius: 50%; filter: blur(70px); opacity: var(--blob-opacity); animation: float 18s ease-in-out infinite alternate; }
.blobs span:nth-child(1) { background: var(--pink); top: -18vmax; left: -12vmax; }
.blobs span:nth-child(2) { background: var(--gemini); top: -14vmax; right: -16vmax; animation-duration: 22s; }
.blobs span:nth-child(3) { background: var(--yellow); bottom: -24vmax; left: 20%; animation-duration: 26s; }
.blobs span:nth-child(4) { background: var(--gpt); bottom: -20vmax; right: -8vmax; animation-duration: 20s; }
.blobs span:nth-child(5) { background: var(--violet); top: 30%; left: 40%; width: 26vmax; height: 26vmax; animation-duration: 24s; }
.blobs.dim span { opacity: calc(var(--blob-opacity) * .5); }
@keyframes float { 0% { transform: translate(0, 0) scale(1); } 50% { transform: translate(6vmax, 4vmax) scale(1.12); } 100% { transform: translate(-4vmax, 6vmax) scale(.92); } }
.spot { position: absolute; inset: 0; pointer-events: none; background: radial-gradient(420px circle at var(--mx, 70%) var(--my, 30%), color-mix(in srgb, var(--surface) 55%, transparent), transparent 70%); mix-blend-mode: soft-light; }

/* ================= Hero ================= */
.hero { position: relative; overflow: hidden; padding: 64px 0 72px; isolation: isolate; }
.hero-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 44px; align-items: center; }
@media (max-width: 1100px) { .hero-grid { grid-template-columns: 1fr; } }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 16px; padding: 6px 14px; border-radius: 999px; background: var(--glass); border: 1px solid var(--border); font-size: 13px; font-weight: 700; letter-spacing: .04em; color: var(--muted); backdrop-filter: blur(8px); }
.eyebrow.on-dark { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.12); color: #cfcadb; }
.pulse-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--gpt); box-shadow: 0 0 0 0 color-mix(in srgb, var(--gpt) 60%, transparent); animation: ping 1.8s infinite; }
@keyframes ping { 70% { box-shadow: 0 0 0 10px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }
.hero h1 { margin: 0 0 20px; font-size: clamp(48px, 7.4vw, 92px); line-height: .95; letter-spacing: -.045em; font-weight: 900; }
.lede { font-size: clamp(17px, 1.8vw, 19.5px); color: var(--muted); margin: 0 0 28px; max-width: 560px; }
.lede b { font-weight: 800; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.cta-row.center { justify-content: center; }
.hero-facts { list-style: none; padding: 0; margin: 30px 0 14px; display: grid; grid-template-columns: repeat(4, auto); justify-content: start; gap: 8px 26px; }
.hero-facts li { display: flex; flex-direction: column; }
.hero-facts b { font-size: 34px; font-weight: 900; letter-spacing: -.03em; line-height: 1.1; background: var(--rainbow); background-size: 400% 100%; -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-facts li:nth-child(2) b { background-position: 30% 0; } .hero-facts li:nth-child(3) b { background-position: 60% 0; } .hero-facts li:nth-child(4) b { background-position: 90% 0; }
.hero-facts span { font-size: 13px; color: var(--muted); font-weight: 600; }
@media (max-width: 520px) { .hero-facts { grid-template-columns: repeat(2, auto); } }
.hint-key { margin: 0; font-size: 13.5px; color: var(--muted); }
@media (hover: none) { .hint-key { display: none; } }

/* ================= Glass cards ================= */
.glass { background: var(--glass); border: 1px solid color-mix(in srgb, var(--border) 80%, transparent); border-radius: 24px; box-shadow: var(--shadow); backdrop-filter: blur(18px) saturate(1.3); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }

/* ================= Orchestra ================= */
.orchestra { padding: 16px; display: flex; flex-direction: column; gap: 12px; min-width: 0; position: relative; }
.orchestra::before { content: ""; position: absolute; inset: -1px; border-radius: 25px; padding: 1.5px; background: var(--rainbow); background-size: 300% 100%; animation: slide 8s linear infinite; -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; opacity: .8; }
.orc-top { display: flex; gap: 8px; }
.orc-top input { flex: 1; min-width: 0; min-height: 40px; padding: 8px 14px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font: 600 15px var(--sans); outline: none; }
.orc-top input:focus { border-color: var(--gemini); box-shadow: 0 0 0 3px color-mix(in srgb, var(--gemini) 20%, transparent); }
.orc-pills, .orc-providers { display: flex; flex-wrap: wrap; gap: 6px; }
.pill {
  --pc: var(--text);
  border: 1.5px solid color-mix(in srgb, var(--pc) 45%, var(--border)); background: var(--surface); color: var(--text);
  padding: 5px 12px; border-radius: 999px; font: 700 13px var(--sans); cursor: pointer; transition: transform .12s, background .15s, color .15s;
}
.pill:hover { transform: translateY(-1px); border-color: var(--pc); }
.pill[aria-checked="true"] { background: var(--pc); border-color: var(--pc); color: #fff; box-shadow: 0 4px 14px color-mix(in srgb, var(--pc) 40%, transparent); }
.pill.rainbow[aria-checked="true"] { background: var(--rainbow); background-size: 300% 100%; animation: slide 6s linear infinite; border-color: transparent; }
.pill .auto-tag { font-size: 10.5px; margin-left: 5px; padding: 1px 6px; border-radius: 999px; background: rgba(255,255,255,.25); }
.prov-chip { --pc: var(--text); display: inline-flex; align-items: center; gap: 6px; border: 1.5px solid var(--pc); background: color-mix(in srgb, var(--pc) 12%, var(--surface)); color: var(--text); padding: 4px 11px; border-radius: 10px; font: 700 12.5px var(--sans); cursor: pointer; transition: opacity .15s, transform .12s; }
.prov-chip::before { content: "✓"; display: inline-grid; place-items: center; width: 15px; height: 15px; border-radius: 5px; background: var(--pc); color: #fff; font-size: 10px; }
.prov-chip[aria-pressed="false"] { opacity: .45; background: var(--surface); border-style: dashed; }
.prov-chip[aria-pressed="false"]::before { content: ""; background: transparent; border: 1.5px solid var(--pc); }
.prov-chip:hover { transform: translateY(-1px); }
.orc-stage { position: relative; background: color-mix(in srgb, var(--surface) 80%, transparent); border: 1px solid var(--border); border-radius: 16px; overflow-x: auto; overflow-y: hidden; scrollbar-width: thin; }
.orc-stage::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(color-mix(in srgb, var(--muted) 30%, transparent) 1px, transparent 1px); background-size: 18px 18px; opacity: .35; pointer-events: none; }
#orc-svg { display: block; width: 100%; height: auto; position: relative; }
.edge { fill: none; stroke-width: 2; opacity: .28; transition: opacity .3s; }
.edge.hot { opacity: 1; stroke-dasharray: 6 6; animation: dash .6s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -24; } }
.onode { cursor: pointer; outline: none; }
.onode:focus-visible rect { stroke-width: 3.5; filter: drop-shadow(0 0 8px var(--nc)); }
.onode rect { fill: var(--surface); stroke-width: 2; transition: filter .3s, fill .3s; }
.onode text { font-family: var(--sans); fill: var(--text); text-anchor: middle; pointer-events: none; }
.onode .n1 { font-size: 13.5px; font-weight: 800; }
.onode .n2 { font-size: 10.5px; font-weight: 600; fill: var(--muted); }
.onode .ring { fill: none; stroke-width: 2.5; opacity: 0; }
.onode[data-state="work"] .ring { opacity: 1; stroke-dasharray: 8 6; animation: dash .8s linear infinite; }
.onode[data-state="work"] rect { filter: drop-shadow(0 0 10px var(--nc)); }
.onode[data-state="done"] rect { fill: color-mix(in srgb, var(--nc) 16%, var(--surface)); }
.onode .check { opacity: 0; font-size: 12px; font-weight: 900; fill: #fff; }
.onode .badge { fill: var(--nc); opacity: 0; transition: opacity .2s; }
.onode[data-state="done"] .badge, .onode[data-state="done"] .check { opacity: 1; }
.onode.final[data-state="done"] rect { filter: drop-shadow(0 0 16px var(--pink)); }
.onode:hover rect, .onode:focus rect { filter: drop-shadow(0 0 8px var(--nc)); }
.onode .standin { font-size: 9.5px; font-weight: 700; fill: var(--bedrock); }
.particle { pointer-events: none; }
.orc-pop { position: absolute; z-index: 5; width: min(300px, calc(100% - 16px)); background: var(--surface); border: 1.5px solid var(--nc, var(--border)); border-radius: 14px; box-shadow: var(--shadow); padding: 12px 14px; font-size: 13px; }
.orc-pop h4 { margin: 0 0 4px; font-size: 14px; }
.orc-pop .meta { color: var(--muted); font-size: 12px; margin-bottom: 8px; }
.orc-pop pre { margin: 0; white-space: pre-wrap; font: 12px/1.45 var(--mono); background: var(--surface-2); padding: 8px; border-radius: 8px; max-height: 150px; overflow: auto; }
.orc-pop .x { position: absolute; top: 6px; right: 8px; border: 0; background: none; color: var(--muted); font-size: 16px; cursor: pointer; }
.orc-bottom { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: stretch; }
@media (max-width: 560px) { .orc-bottom { grid-template-columns: 1fr; } }
.orc-stats { display: flex; gap: 8px; }
.orc-stats div { display: flex; flex-direction: column; justify-content: center; min-width: 78px; padding: 8px 12px; border-radius: 12px; background: var(--surface); border: 1px solid var(--border); }
.orc-stats b { font-size: 20px; font-weight: 900; font-variant-numeric: tabular-nums; }
.orc-stats span { font-size: 11px; color: var(--muted); font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.orc-log { list-style: none; margin: 0; padding: 8px 12px; border-radius: 12px; background: var(--surface); border: 1px solid var(--border); height: 88px; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-end; gap: 2px; font-size: 12.5px; }
.orc-log li { display: flex; gap: 7px; align-items: center; animation: logIn .3s ease; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.orc-log li::before { content: ""; flex: none; width: 7px; height: 7px; border-radius: 50%; background: var(--lc, var(--muted)); }
.orc-log li:empty { display: none; }
@keyframes logIn { from { opacity: 0; transform: translateY(8px); } }
.orc-final { padding: 14px 16px; border-radius: 16px; color: #fff; background: var(--rainbow); background-size: 300% 100%; animation: slide 8s linear infinite, pop .4s ease; }
.orc-final h4 { margin: 0 0 4px; font-size: 16px; }
.orc-final p { margin: 0 0 10px; font-size: 14px; line-height: 1.5; }
.orc-final .row { display: flex; flex-wrap: wrap; gap: 8px; }
.orc-final a, .orc-final button { font: 700 13px var(--sans); color: #17161a; background: #fff; border: 0; border-radius: 10px; padding: 7px 12px; text-decoration: none; cursor: pointer; }
@keyframes pop { from { transform: scale(.96); opacity: 0; } }
.orc-note { margin: 0; font-size: 12px; color: var(--muted); text-align: center; }

/* ================= Marquee ================= */
.marquee { overflow: hidden; border-block: 1px solid var(--border); background: var(--surface); padding: 14px 0; -webkit-mask: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; width: max-content; animation: marquee 40s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-list { display: flex; gap: 10px; list-style: none; margin: 0; padding: 0 5px; }
.marquee-list li { display: inline-flex; align-items: center; gap: 8px; padding: 7px 16px; border-radius: 999px; font-weight: 800; font-size: 15px; white-space: nowrap; border: 1.5px solid color-mix(in srgb, var(--c) 50%, transparent); background: color-mix(in srgb, var(--c) 10%, var(--surface)); }
.marquee-list li::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--c); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ================= Sections ================= */
.section { position: relative; padding: 96px 0; overflow: hidden; }
@media (max-width: 600px) { .section { padding: 68px 0; } }
.tint-violet { background: linear-gradient(180deg, color-mix(in srgb, var(--violet) 9%, var(--bg)), var(--bg)); }
.tint-sun { background: linear-gradient(180deg, color-mix(in srgb, var(--yellow) 12%, var(--bg)), color-mix(in srgb, var(--pink) 6%, var(--bg))); }
.tint-mint { background: linear-gradient(180deg, color-mix(in srgb, var(--gpt) 9%, var(--bg)), var(--bg)); }
.h2 { margin: 0 0 14px; font-size: clamp(32px, 4.6vw, 54px); line-height: 1.04; letter-spacing: -.035em; font-weight: 900; }
.sub { margin: 0 0 36px; font-size: 18.5px; color: var(--muted); max-width: 680px; }
.label { display: block; font-size: 12.5px; font-weight: 800; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); margin-bottom: 8px; }

/* reveal */
.js [data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .2, 1); }
.js [data-reveal].in { opacity: 1; transform: none; }

/* steps */
.steps { list-style: none; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr; } }
.steps li { position: relative; overflow: hidden; background: var(--surface); border: 1px solid var(--border); border-radius: 22px; padding: 28px; box-shadow: var(--shadow); transition: transform .25s ease, box-shadow .25s; }
.steps li::after { content: ""; position: absolute; inset: auto -40px -60px auto; width: 180px; height: 180px; border-radius: 50%; background: var(--c); opacity: .14; filter: blur(10px); transition: transform .4s; }
.steps li:hover { transform: translateY(-6px); box-shadow: 0 18px 40px color-mix(in srgb, var(--c) 25%, transparent); }
.steps li:hover::after { transform: scale(1.5); }
.steps h3 { margin: 16px 0 8px; font-size: 22px; letter-spacing: -.02em; }
.steps p { margin: 0; color: var(--muted); }
.step-n { display: inline-grid; place-items: center; width: 46px; height: 46px; border-radius: 14px; background: var(--c); color: #fff; font-weight: 900; font-size: 20px; box-shadow: 0 8px 20px color-mix(in srgb, var(--c) 40%, transparent); }

/* router */
.router-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: start; }
@media (max-width: 900px) { .router-grid { grid-template-columns: 1fr; } }
#rt-input { width: 100%; resize: vertical; font: 600 16px/1.5 var(--sans); color: var(--text); background: var(--surface); border: 2px solid var(--border); border-radius: 14px; padding: 12px 14px; outline: none; transition: border-color .2s, box-shadow .2s; }
#rt-input:focus { border-color: var(--violet); box-shadow: 0 0 0 4px color-mix(in srgb, var(--violet) 18%, transparent); }
.examples { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 18px; }
.examples button { --c: var(--violet); font: 600 13.5px var(--sans); color: var(--text); cursor: pointer; border: 1.5px solid color-mix(in srgb, var(--c) 40%, var(--border)); background: color-mix(in srgb, var(--c) 8%, var(--surface)); border-radius: 999px; padding: 6px 13px; transition: transform .12s, background .15s; }
.examples button:hover { transform: translateY(-2px); background: color-mix(in srgb, var(--c) 18%, var(--surface)); }
.rt-result { min-height: 150px; }
.rt-card { --pc: var(--violet); border-radius: 18px; padding: 18px 20px; background: color-mix(in srgb, var(--pc) 12%, var(--surface)); border: 2px solid var(--pc); animation: pop .3s ease; }
.rt-card.rainbow { border-color: transparent; background: linear-gradient(var(--surface), var(--surface)) padding-box, var(--rainbow) border-box; }
.rt-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.rt-kind { font-size: 11.5px; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; color: var(--pc); }
.rt-name { font-size: 28px; font-weight: 900; letter-spacing: -.03em; }
.rt-tag { font-size: 12px; font-weight: 800; padding: 3px 10px; border-radius: 999px; background: var(--pc); color: #fff; }
.rt-card.rainbow .rt-tag { background: var(--rainbow); }
.rt-blurb { color: var(--muted); margin: 6px 0 10px; }
.rt-why, .rt-warn { margin: 0; padding-left: 18px; font-size: 14.5px; }
.rt-warn { color: var(--bedrock); margin-top: 6px; }
.rt-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.rt-actions button, .rt-actions a { font: 700 13.5px var(--sans); border-radius: 10px; padding: 8px 14px; cursor: pointer; text-decoration: none; border: 0; }
.rt-actions button { color: #fff; background: var(--pc); }
.rt-card.rainbow .rt-actions button { background: var(--rainbow); }
.rt-actions a { color: var(--text); background: var(--surface); border: 1px solid var(--border); }
.ladder { position: relative; padding: 16px; }
.ladder ol { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column-reverse; gap: 8px; position: relative; z-index: 1; }
.ladder li { --pc: var(--muted); display: flex; align-items: center; gap: 12px; height: 52px; padding: 0 14px; border-radius: 14px; border: 1.5px solid color-mix(in srgb, var(--pc) 35%, var(--border)); background: color-mix(in srgb, var(--pc) 6%, var(--surface)); transition: transform .3s, background .3s, color .3s; cursor: pointer; }
.ladder li b { font-size: 15.5px; }
.ladder li span { margin-left: auto; font-size: 12px; font-weight: 700; color: var(--muted); }
.ladder li i { width: 12px; height: 12px; border-radius: 4px; background: var(--pc); flex: none; }
.ladder li.on { background: var(--pc); color: #fff; transform: translateX(-8px); border-color: var(--pc); }
.ladder li.on span { color: rgba(255, 255, 255, .85); }
.ladder li.on.rainbow { background: var(--rainbow); background-size: 300% 100%; animation: slide 6s linear infinite; }
.ladder li.on i { background: #fff; }
.ladder-marker { position: absolute; left: 4px; width: 5px; height: 52px; border-radius: 4px; background: var(--rainbow); transition: top .45s cubic-bezier(.3, 1.4, .5, 1); top: 16px; }

/* pipeline cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 18px; perspective: 1200px; }
@media (max-width: 420px) { .cards { grid-template-columns: 1fr; } }
.pcard { --pc: var(--violet); --rx: 0deg; --ry: 0deg; --gx: 50%; --gy: 50%; position: relative; overflow: hidden; display: flex; flex-direction: column; gap: 12px; padding: 24px; border-radius: 22px; background: var(--surface); border: 1.5px solid color-mix(in srgb, var(--pc) 40%, var(--border)); box-shadow: var(--shadow); transform: rotateX(var(--rx)) rotateY(var(--ry)); transform-style: preserve-3d; transition: transform .2s ease, box-shadow .25s; }
.pcard::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 6px; background: var(--pc); }
.pcard.rainbow::before { background: var(--rainbow); background-size: 300% 100%; animation: slide 6s linear infinite; }
.pcard::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(260px circle at var(--gx) var(--gy), color-mix(in srgb, var(--pc) 22%, transparent), transparent 70%); opacity: 0; transition: opacity .25s; }
.pcard:hover { box-shadow: 0 22px 50px color-mix(in srgb, var(--pc) 28%, transparent); }
.pcard:hover::after { opacity: 1; }
.pcard header { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.pcard h3 { margin: 0; font-size: 22px; letter-spacing: -.02em; }
.pcard .calls { font-size: 12px; font-weight: 800; padding: 3px 10px; border-radius: 999px; background: color-mix(in srgb, var(--pc) 15%, var(--surface)); color: var(--pc); white-space: nowrap; }
.pcard p { margin: 0; color: var(--muted); font-size: 15px; }
.flowline { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.chip { --cc: var(--violet); font-size: 12.5px; font-weight: 800; padding: 4px 11px; border-radius: 999px; color: var(--cc); border: 1.5px solid var(--cc); background: color-mix(in srgb, var(--cc) 10%, transparent); }
.chip.all { color: #fff; border-color: transparent; background: var(--rainbow); }
.arr { color: var(--muted); font-weight: 800; }
.pcard .play { align-self: flex-start; margin-top: auto; font: 800 13.5px var(--sans); color: #fff; background: var(--pc); border: 0; border-radius: 12px; padding: 9px 16px; cursor: pointer; transition: transform .12s; }
.pcard.rainbow .play { background: var(--rainbow); background-size: 300% 100%; animation: slide 6s linear infinite; }
.pcard .play:hover { transform: scale(1.05); }

/* cost */
.cost-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 20px; align-items: start; }
@media (max-width: 900px) { .cost-grid { grid-template-columns: 1fr; } }
.range { display: block; margin-bottom: 18px; }
.range span { display: flex; justify-content: space-between; font-weight: 700; font-size: 14.5px; margin-bottom: 6px; }
.range output { font-weight: 900; color: var(--pink); font-variant-numeric: tabular-nums; }
input[type="range"] { width: 100%; accent-color: var(--pink); height: 28px; }
.seg { display: inline-flex; padding: 4px; border-radius: 14px; background: var(--surface-2); gap: 4px; }
.seg button { border: 0; background: none; color: var(--muted); font: 800 14px var(--sans); padding: 8px 14px; border-radius: 10px; cursor: pointer; }
.seg button[aria-checked="true"] { background: var(--surface); color: var(--text); box-shadow: var(--shadow); }
.fine { font-size: 12.5px; color: var(--muted); margin: 16px 0 0; }
.cost-bars { display: flex; flex-direction: column; gap: 12px; }
.bar { --pc: var(--violet); }
.bar-top { display: flex; justify-content: space-between; gap: 10px; font-size: 14px; margin-bottom: 5px; }
.bar-top b { font-size: 15px; }
.bar-top span { color: var(--muted); font-weight: 700; font-variant-numeric: tabular-nums; }
.bar-track { height: 14px; border-radius: 999px; background: var(--surface-2); overflow: hidden; }
.bar-fill { height: 100%; width: 0; border-radius: 999px; background: var(--pc); transition: width .6s cubic-bezier(.2, .8, .2, 1); }
.bar.rainbow .bar-fill { background: var(--rainbow); background-size: 300% 100%; animation: slide 6s linear infinite; }

/* cloud (dark) */
.section.dark { background: #0d0c12; color: #f2f0f7; }
.section.dark .sub.on-dark, .on-dark { color: #b3aec4; }
.section.dark code { background: #1f1d28; color: #f2f0f7; }
.cloud-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; position: relative; }
@media (max-width: 960px) { .cloud-grid { grid-template-columns: 1fr; } }
.agent-list { list-style: none; padding: 0; margin: 0 0 20px; display: flex; flex-direction: column; gap: 12px; }
.agent-list li { display: flex; flex-direction: column; padding: 14px 16px 14px 20px; border-radius: 16px; background: rgba(255, 255, 255, .04); border: 1px solid rgba(255, 255, 255, .08); border-left: 5px solid var(--c); }
.agent-list b { font-size: 17px; }
.agent-list span { color: #b3aec4; font-size: 14.5px; }
.note { font-size: 14px; margin: 0; }
.issue { background: #16151d; border: 1px solid #2d2a38; border-radius: 22px; overflow: hidden; box-shadow: 0 30px 80px rgba(0, 0, 0, .45); }
.issue-head { display: flex; align-items: center; gap: 10px; padding: 14px 16px; border-bottom: 1px solid #2d2a38; flex-wrap: wrap; }
.issue-state { font-size: 12.5px; font-weight: 800; padding: 4px 10px; border-radius: 999px; background: #1f883d; color: #fff; }
.issue-state.closed { background: #8250df; }
.issue-num { color: #8a849c; margin-left: auto; }
.thread { list-style: none; margin: 0; padding: 14px; display: flex; flex-direction: column; gap: 10px; min-height: 300px; max-height: 420px; overflow-y: auto; }
.thread-empty { color: #8a849c; text-align: center; margin: auto; }
.comment { display: flex; gap: 10px; animation: logIn .35s ease; }
.avatar { flex: none; width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; font-weight: 900; color: #fff; background: var(--c); }
.cbody { flex: 1; min-width: 0; background: #1f1d28; border: 1px solid #2d2a38; border-left: 4px solid var(--c); border-radius: 12px; padding: 9px 12px; font-size: 13.5px; }
.cbody b { display: block; margin-bottom: 2px; }
.cbody small { color: #8a849c; }
.typing { display: inline-flex; gap: 4px; padding: 10px 12px; }
.typing i { width: 7px; height: 7px; border-radius: 50%; background: #8a849c; animation: blink 1s infinite; }
.typing i:nth-child(2) { animation-delay: .15s; } .typing i:nth-child(3) { animation-delay: .3s; }
@keyframes blink { 50% { opacity: .2; transform: translateY(-2px); } }
.issue-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 14px; border-top: 1px solid #2d2a38; flex-wrap: wrap; }
.labels { display: flex; gap: 6px; }
.gh-label { font-size: 12px; font-weight: 800; padding: 3px 10px; border-radius: 999px; }
.l-run { background: #5319e7; color: #fff; }
.l-done { background: #0e8a16; color: #fff; animation: pop .3s ease; }

/* kakao + trust */
.kakao-grid { display: grid; grid-template-columns: 360px 1fr; gap: 56px; align-items: center; }
@media (max-width: 900px) { .kakao-grid { grid-template-columns: 1fr; justify-items: center; } }
.kakao-text { background: #fee500; color: #3c1e1e; padding: 0 .18em; border-radius: .18em; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.phone { position: relative; width: min(340px, 100%); height: 560px; border-radius: 42px; padding: 16px 12px 14px; background: #111; box-shadow: 0 30px 70px rgba(0, 0, 0, .3), inset 0 0 0 2px #333; display: flex; flex-direction: column; }
.phone-notch { position: absolute; top: 10px; left: 50%; transform: translateX(-50%); width: 110px; height: 22px; border-radius: 12px; background: #000; z-index: 2; }
.phone-top { display: flex; align-items: center; gap: 10px; padding: 26px 14px 10px; background: #bacee0; border-radius: 30px 30px 0 0; color: #1a1a1a; font-size: 15px; }
.phone-top .badge { margin-left: auto; min-width: 22px; height: 22px; border-radius: 11px; background: #ff3b30; color: #fff; font-size: 12px; font-weight: 800; display: grid; place-items: center; animation: pop .3s ease; }
.chat { flex: 1; overflow-y: auto; background: #bacee0; padding: 10px 12px; display: flex; flex-direction: column; gap: 8px; }
.day { align-self: center; font-size: 11px; color: #fff; background: rgba(0, 0, 0, .18); padding: 2px 10px; border-radius: 999px; }
.bubble { max-width: 82%; padding: 8px 11px; border-radius: 14px; font-size: 13.5px; line-height: 1.45; color: #1a1a1a; animation: pop .3s ease; }
.bubble.me { align-self: flex-end; background: #fee500; border-top-right-radius: 4px; }
.bubble.card { align-self: flex-start; background: #fff; border-top-left-radius: 4px; padding: 0; overflow: hidden; }
.bubble.card .kc-body { padding: 10px 12px; }
.bubble.card .kc-body b { display: block; margin-bottom: 4px; }
.bubble.card .kc-btn { display: block; text-align: center; padding: 9px; border-top: 1px solid #eee; font-weight: 700; font-size: 13px; }
.bubble.typing-b { align-self: flex-start; background: #fff; }
.kakao-btn { margin-top: 10px; border: 0; border-radius: 16px; padding: 12px; background: #fee500; color: #3c1e1e; font: 900 15px var(--sans); cursor: pointer; transition: transform .12s; }
.kakao-btn:hover { transform: scale(1.02); }
.trust { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (max-width: 560px) { .trust { grid-template-columns: 1fr; } }
.tcard { padding: 16px 18px; border-radius: 18px; background: color-mix(in srgb, var(--c) 9%, var(--surface)); border: 1.5px solid color-mix(in srgb, var(--c) 35%, var(--border)); transition: transform .2s; }
.tcard:hover { transform: translateY(-4px) rotate(-.5deg); }
.tcard b { display: block; font-size: 16px; margin-bottom: 4px; }
.tcard span { color: var(--muted); font-size: 14.5px; }

/* accordions */
.acc { --c: var(--violet); background: var(--surface); border: 1.5px solid var(--border); border-left: 6px solid var(--c); border-radius: 16px; padding: 0 20px; margin-bottom: 12px; transition: box-shadow .2s; }
.acc[open] { box-shadow: 0 10px 30px color-mix(in srgb, var(--c) 18%, transparent); }
.acc summary { cursor: pointer; font-weight: 800; font-size: 17px; padding: 18px 0; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after { content: "+"; display: grid; place-items: center; flex: none; width: 28px; height: 28px; border-radius: 9px; background: var(--c); color: #fff; font-size: 18px; transition: transform .25s; }
.acc[open] summary::after { transform: rotate(45deg); }
.acc ol, .acc ul { padding-left: 22px; margin: 0 0 18px; }
.acc li { margin: 6px 0; }
.acc p { margin: 0 0 18px; color: var(--muted); }
.mini { border-collapse: collapse; margin: 10px 0; font-size: 14px; width: 100%; }
.mini td { border: 1px solid var(--border); padding: 7px 10px; vertical-align: top; }
@media (max-width: 520px) { .mini td:first-child { word-break: break-all; } }

/* final cta */
.final-cta { position: relative; overflow: hidden; isolation: isolate; padding: 120px 0; text-align: center; }
.final-cta h2 { margin: 0 0 12px; font-size: clamp(40px, 7vw, 84px); letter-spacing: -.045em; line-height: 1; font-weight: 900; }
.final-cta p { margin: 0 0 30px; color: var(--muted); font-size: 20px; }
.strike { position: relative; color: var(--muted); }
.strike::after { content: ""; position: absolute; left: -4%; right: -4%; top: 52%; height: .12em; border-radius: 1em; background: var(--pink); transform: rotate(-6deg); }
.foot { border-top: 1px solid var(--border); padding: 28px 0 40px; font-size: 14px; color: var(--muted); }
.foot-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.foot a { color: var(--muted); }

/* ================= Reduced motion ================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .blobs span { animation: none; }
  .marquee-track { animation: none; flex-wrap: wrap; width: auto; }
  .marquee-list[aria-hidden="true"] { display: none; }
  .marquee-list { flex-wrap: wrap; justify-content: center; }
}