:root {
  --bg: #0b0b0d;
  --bg-soft: #101014;
  --surface: #15151a;
  --surface-2: #1b1b21;
  --text: #f3f0f4;
  --muted: #aaa4ae;
  --faint: #736d78;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);
  --accent: #d895c8;
  --accent-2: #b9a6df;
  --accent-soft: rgba(216, 149, 200, 0.12);
  --accent-ink: #1a1118;
  --panel: rgba(18, 18, 22, 0.88);
  --shadow: 0 30px 90px rgba(0,0,0,.28);
  --max: 1180px;
  --radius: 28px;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

html[data-theme="light"] {
  --bg: #f7f5f3;
  --bg-soft: #efebe8;
  --surface: #ffffff;
  --surface-2: #f1edef;
  --text: #171518;
  --muted: #686168;
  --faint: #918890;
  --line: rgba(28, 21, 27, 0.10);
  --line-strong: rgba(28, 21, 27, 0.18);
  --accent: #b95c9e;
  --accent-2: #7962b5;
  --accent-soft: rgba(185, 92, 158, 0.10);
  --accent-ink: #fff;
  --panel: rgba(255,255,255,.86);
  --shadow: 0 30px 80px rgba(80, 61, 75, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at 78% -10%, color-mix(in srgb, var(--accent-2) 12%, transparent), transparent 29rem),
    radial-gradient(circle at 12% 8%, color-mix(in srgb, var(--accent) 9%, transparent), transparent 25rem),
    var(--bg);
  font-family: var(--sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  transition: background-color .25s ease, color .25s ease;
}
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
::selection { color: var(--accent-ink); background: var(--accent); }

.noise {
  position: fixed; inset: 0; z-index: 20; opacity: .022; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.92' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.62'/%3E%3C/svg%3E");
}
html[data-theme="light"] .noise { opacity: .012; }
.pointer-glow {
  position: fixed; width: 24rem; height: 24rem; left: 0; top: 0; z-index: 0; border-radius: 50%; pointer-events: none; opacity: 0;
  transform: translate(-50%, -50%); background: radial-gradient(circle, color-mix(in srgb, var(--accent) 10%, transparent), transparent 68%); transition: opacity .2s ease;
}
.shell { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; position: relative; z-index: 1; }
.mono { font-family: var(--mono); }

.site-header {
  width: min(calc(100% - 48px), var(--max)); min-height: 76px; margin: 0 auto; display: grid; grid-template-columns: 1fr auto 1fr;
  align-items: center; gap: 24px; border-bottom: 1px solid var(--line); position: relative; z-index: 30;
}
.brand { display: inline-flex; align-items: baseline; gap: 9px; width: fit-content; font-weight: 720; letter-spacing: -.02em; }
.brand-mark { color: var(--accent); font-family: var(--mono); letter-spacing: -.06em; }
.brand-separator { color: var(--faint); }
.brand-copy { font-size: .92rem; font-weight: 650; }
.nav { display: flex; align-items: center; gap: 4px; padding: 5px; border: 1px solid var(--line); border-radius: 999px; background: color-mix(in srgb, var(--surface) 80%, transparent); }
.nav a { padding: 7px 13px; border-radius: 999px; color: var(--muted); font-size: .82rem; transition: color .18s ease, background .18s ease; }
.nav a:hover, .nav a.is-active { color: var(--text); background: var(--surface-2); }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 9px; }
.header-link, .theme-toggle {
  min-height: 38px; display: inline-flex; align-items: center; gap: 7px; padding: 0 11px; border: 1px solid transparent; border-radius: 11px; color: var(--muted); font-size: .82rem;
}
.header-link:hover, .theme-toggle:hover { color: var(--text); border-color: var(--line); background: var(--surface); }
.theme-toggle { cursor: pointer; background: transparent; }
.theme-icon { font-size: 1rem; color: var(--accent); }

.hero { min-height: 710px; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr); gap: 68px; align-items: center; padding-block: 86px 100px; }
.eyebrow, .kicker, .project-meta, .lab-number, .panel-topline, .now-list dt, .stack-no, .project-detail-meta, .detail-eyebrow {
  font-family: var(--mono); letter-spacing: .08em; text-transform: uppercase;
}
.eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 24px; color: var(--muted); font-size: .72rem; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px var(--accent-soft); }
.hero h1 { max-width: 800px; margin: 0; font-size: clamp(3.3rem, 7vw, 7rem); line-height: .95; letter-spacing: -.07em; font-weight: 680; }
.accent-line { display: block; margin-top: .08em; color: transparent; background: linear-gradient(105deg, color-mix(in srgb, var(--accent) 70%, white) 0%, var(--accent) 45%, var(--accent-2) 100%); -webkit-background-clip: text; background-clip: text; }
html[data-theme="light"] .accent-line { background: linear-gradient(105deg, #7e3d6a 0%, var(--accent) 47%, var(--accent-2) 100%); -webkit-background-clip: text; background-clip: text; }
.hero-intro { max-width: 690px; margin: 34px 0 0; color: var(--muted); font-size: clamp(1rem, 1.4vw, 1.15rem); line-height: 1.95; }
.hero-actions { margin-top: 38px; display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 13px; min-height: 48px; padding: 0 18px; border-radius: 14px; border: 1px solid var(--line-strong); font-size: .88rem; transition: transform .18s ease, border-color .18s ease, background .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { border-color: color-mix(in srgb, var(--accent) 35%, transparent); background: var(--accent); color: var(--accent-ink); font-weight: 750; }
.button-primary:hover { filter: brightness(1.05); }
.button-ghost { color: var(--muted); background: color-mix(in srgb, var(--surface) 66%, transparent); }
.button-ghost:hover { color: var(--text); border-color: var(--line-strong); }

.hero-panel { min-height: 500px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(180deg, color-mix(in srgb, var(--surface) 88%, transparent), color-mix(in srgb, var(--surface-2) 68%, transparent)); box-shadow: var(--shadow); position: relative; overflow: hidden; }
.hero-panel::before { content: ""; position: absolute; inset: 0; pointer-events: none; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 34px 34px; mask-image: linear-gradient(to bottom, rgba(0,0,0,.95), transparent 72%); opacity: .38; }
.panel-topline { position: relative; z-index: 1; display: flex; justify-content: space-between; color: var(--muted); font-size: .68rem; }
.panel-topline .mono { color: var(--accent); }
.signal-stage { height: 280px; position: relative; display: grid; place-items: center; }
.signal-orbit { position: absolute; border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent); border-radius: 50%; animation: breathe 5s ease-in-out infinite; }
.orbit-a { width: 230px; height: 230px; }.orbit-b { width: 164px; height: 164px; animation-delay: -1.5s; }.orbit-c { width: 98px; height: 98px; animation-delay: -3s; }
.signal-core { z-index: 1; width: 84px; height: 84px; display: grid; place-content: center; text-align: center; border-radius: 50%; border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent); background: radial-gradient(circle at 35% 30%, var(--accent-soft), var(--surface)); box-shadow: 0 0 70px var(--accent-soft); }
.signal-core span { font-family: var(--mono); font-size: .82rem; }.signal-core small { margin-top: 3px; color: var(--accent); font-family: var(--mono); font-size: .56rem; letter-spacing: .14em; }
.signal-node { position: absolute; width: 8px; height: 8px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 18px color-mix(in srgb, var(--accent-2) 55%, transparent); }
.node-a { top: 72px; right: 86px; }.node-b { bottom: 63px; left: 82px; width: 5px; height: 5px; }.node-c { top: 134px; left: 38px; width: 4px; height: 4px; opacity: .65; }
.now-list { position: relative; z-index: 1; margin: 0; border-top: 1px solid var(--line); }
.now-list div { display: grid; grid-template-columns: 78px 1fr; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.now-list dt { color: var(--faint); font-size: .62rem; }.now-list dd { margin: 0; color: var(--muted); font-size: .82rem; }

.current-strip { border-block: 1px solid var(--line); background: color-mix(in srgb, var(--bg-soft) 78%, transparent); }
.current-grid { display: grid; grid-template-columns: 1.05fr repeat(3, 1fr); }
.current-grid > * { min-height: 190px; padding: 30px 24px; border-right: 1px solid var(--line); }
.current-grid > *:last-child { border-right: 0; }
.current-title { display: flex; flex-direction: column; justify-content: space-between; }
.current-title strong { max-width: 210px; font-size: 1.2rem; line-height: 1.45; }
.current-grid article span { color: var(--accent); font: .65rem var(--mono); }.current-grid article h3 { margin: 42px 0 8px; font-size: 1.08rem; }.current-grid article p { margin: 0; color: var(--muted); font-size: .88rem; line-height: 1.75; }

.work-section, .about-section { padding-block: 118px; }
.section-heading { display: grid; grid-template-columns: 1fr minmax(260px, 390px); gap: 50px; align-items: end; margin-bottom: 50px; }
.kicker { margin: 0 0 10px; color: var(--accent); font-size: .68rem; }
.section-heading h2, .contact-inner h2 { max-width: 760px; margin: 0; font-size: clamp(2.35rem, 5vw, 4.7rem); line-height: 1.05; letter-spacing: -.055em; font-weight: 650; }
.section-note { margin: 0; color: var(--muted); line-height: 1.85; }
.project-grid { border-top: 1px solid var(--line); }
.project-card { position: relative; display: grid; grid-template-columns: 58px 1fr auto; gap: 24px; padding: 32px 18px 32px 0; border-bottom: 1px solid var(--line); transition: padding-left .22s ease, border-color .22s ease; }
.project-card::before { content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; background: linear-gradient(90deg, var(--accent-soft), transparent 75%); transition: opacity .22s ease; }
.project-card:hover { padding-left: 18px; border-color: color-mix(in srgb, var(--accent) 30%, transparent); }.project-card:hover::before { opacity: 1; }
.project-index { color: var(--faint); font: .72rem var(--mono); }
.project-meta { display: flex; justify-content: space-between; gap: 16px; margin-bottom: 12px; color: var(--faint); font-size: .6rem; }
.project-meta span:last-child { color: var(--accent); }
.project-card h3 { margin: 0; font-size: clamp(1.6rem, 3vw, 2.55rem); line-height: 1.1; letter-spacing: -.04em; font-weight: 650; }
.project-card p { max-width: 780px; margin: 13px 0 0; color: var(--muted); line-height: 1.78; }
.tags { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px; }.tags span { padding: 5px 9px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font: .62rem var(--mono); }
.project-arrow { align-self: center; display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--line); color: var(--muted); transition: transform .22s ease, color .22s ease; }.project-card:hover .project-arrow { transform: translateX(4px); color: var(--accent); }
.text-link { width: fit-content; margin-top: 28px; display: inline-flex; gap: 10px; color: var(--muted); border-bottom: 1px solid var(--line-strong); padding-bottom: 3px; font-size: .88rem; }.text-link:hover { color: var(--text); border-color: var(--accent); }

.stack-section { padding-block: 118px; border-block: 1px solid var(--line); background: color-mix(in srgb, var(--bg-soft) 84%, transparent); }
.stack-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.stack-card { min-height: 205px; padding: 25px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stack-no { color: var(--accent); font-size: .62rem; }.stack-card h3 { margin: 38px 0 12px; font-size: 1.2rem; }.stack-card p { margin: 0; color: var(--muted); line-height: 1.8; }

.lab-section { padding-block: 118px; background: var(--bg); }
.lab-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.lab-card { min-height: 330px; padding: 26px; border: 1px solid var(--line); border-radius: 22px; background: color-mix(in srgb, var(--surface) 72%, transparent); position: relative; overflow: hidden; transition: transform .22s ease, border-color .22s ease; }
.lab-card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent) 28%, transparent); }.lab-number { color: var(--faint); font-size: .64rem; }.lab-card h3 { margin: 72px 0 14px; font-size: 1.75rem; letter-spacing: -.035em; }.lab-card p { margin: 0; color: var(--muted); line-height: 1.8; }.lab-line { position: absolute; width: 130px; height: 130px; right: -34px; bottom: -40px; border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent); border-radius: 50%; box-shadow: 0 0 0 28px color-mix(in srgb, var(--accent) 4%, transparent), 0 0 0 56px color-mix(in srgb, var(--accent) 2%, transparent); }

.about-section { display: grid; grid-template-columns: 210px 1fr; gap: 78px; }
.about-lead { max-width: 920px; margin: 0; font-size: clamp(2.2rem, 5vw, 4.9rem); line-height: 1.08; letter-spacing: -.055em; }.about-lead span { color: var(--accent); }.about-columns { margin-top: 56px; display: grid; grid-template-columns: 1.2fr .8fr; gap: 58px; }.about-columns p { margin: 0; color: var(--muted); line-height: 1.95; }
.contact-section { padding-block: 100px; border-top: 1px solid var(--line); background: linear-gradient(180deg, var(--accent-soft), transparent); }.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }.contact-links { border-top: 1px solid var(--line); }.contact-links a { display: flex; justify-content: space-between; gap: 20px; padding: 20px 2px; border-bottom: 1px solid var(--line); color: var(--muted); transition: color .18s ease, padding-left .18s ease; }.contact-links a:hover { color: var(--text); padding-left: 8px; }
.site-footer { min-height: 96px; display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--faint); font-size: .75rem; }

/* Project detail pages */
.detail-main { padding-bottom: 100px; }
.project-detail-hero { padding-block: 82px 70px; border-bottom: 1px solid var(--line); }
.detail-eyebrow { color: var(--accent); font-size: .68rem; }.detail-back { display: inline-flex; gap: 8px; margin-bottom: 34px; color: var(--muted); font-size: .86rem; }.detail-back:hover { color: var(--text); }
.project-detail-hero h1 { max-width: 920px; margin: 12px 0 24px; font-size: clamp(3.6rem, 8vw, 7.5rem); line-height: .94; letter-spacing: -.072em; font-weight: 690; }
.detail-summary { max-width: 760px; margin: 0; color: var(--muted); font-size: 1.08rem; line-height: 1.9; }
.project-detail-meta { margin-top: 40px; display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--line); }
.project-detail-meta div { padding: 19px 22px 19px 0; border-right: 1px solid var(--line); }.project-detail-meta div + div { padding-left: 22px; }.project-detail-meta div:last-child { border-right: 0; }.project-detail-meta dt { color: var(--faint); font-size: .6rem; }.project-detail-meta dd { margin: 7px 0 0; font-family: var(--sans); text-transform: none; letter-spacing: 0; color: var(--text); font-size: .86rem; }
.detail-body { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 78px; padding-block: 76px; border-bottom: 1px solid var(--line); }.detail-side { color: var(--accent); font: .66rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }.detail-content { max-width: 850px; }.detail-content h2 { margin: 0 0 24px; font-size: clamp(2rem, 4vw, 3.6rem); line-height: 1.1; letter-spacing: -.045em; }.detail-content h3 { margin: 40px 0 12px; font-size: 1.25rem; }.detail-content p, .detail-content li { color: var(--muted); line-height: 1.9; }.detail-content ul { margin: 16px 0 0; padding-left: 1.2rem; }.detail-content li + li { margin-top: 8px; }
.architecture { margin: 30px 0 0; padding: 24px; overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; background: var(--bg-soft); color: var(--text); font: .82rem/1.8 var(--mono); }
.detail-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }.fact-grid { margin-top: 28px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }.fact-card { padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: color-mix(in srgb, var(--surface) 76%, transparent); }.fact-card strong { display: block; margin-bottom: 8px; }.fact-card p { margin: 0; font-size: .9rem; }
.detail-next { padding-top: 64px; display: flex; justify-content: space-between; gap: 20px; align-items: center; }.detail-next a { color: var(--accent); }

.section-reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s cubic-bezier(.2,.8,.2,1); }.section-reveal.is-visible { opacity: 1; transform: none; }
@keyframes breathe { 0%,100%{transform:scale(1);opacity:.68}50%{transform:scale(1.035);opacity:1} }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }.nav { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 52px; padding-block: 72px 88px; }.hero-copy { max-width: 860px; }.hero-panel { min-height: 460px; }
  .current-grid { grid-template-columns: 1fr 1fr; }.current-grid > * { border-bottom: 1px solid var(--line); }.current-grid > *:nth-child(2n) { border-right: 0; }
  .section-heading, .contact-inner, .about-section, .detail-body { grid-template-columns: 1fr; }.section-heading, .contact-inner { gap: 28px; }.about-section, .detail-body { gap: 30px; }
  .stack-grid { grid-template-columns: repeat(2, 1fr); }.lab-grid { grid-template-columns: 1fr; }.lab-card { min-height: 250px; }.lab-card h3 { margin-top: 44px; }
}

@media (max-width: 680px) {
  .shell, .site-header { width: min(calc(100% - 28px), var(--max)); }.site-header { min-height: 66px; gap: 10px; }
  .brand-copy, .brand-separator, .theme-label { display: none; }.header-actions { gap: 2px; }.header-link, .theme-toggle { padding-inline: 9px; }
  .hero { padding-block: 56px 70px; }.hero h1 { font-size: clamp(3.05rem, 15vw, 5.25rem); }.hero-intro { margin-top: 25px; font-size: .98rem; }.hero-actions { flex-direction: column; }.button { width: 100%; }
  .hero-panel { min-height: 420px; padding: 20px; border-radius: 22px; }.signal-stage { height: 240px; }.orbit-a{width:196px;height:196px}.orbit-b{width:140px;height:140px}.orbit-c{width:84px;height:84px}.now-list div { grid-template-columns: 66px 1fr; }
  .current-grid { grid-template-columns: 1fr; }.current-grid > * { min-height: auto; border-right: 0; }.current-grid article h3 { margin-top: 24px; }.current-title strong { margin-top: 26px; }
  .work-section, .stack-section, .lab-section, .about-section, .contact-section { padding-block: 78px; }.section-heading { margin-bottom: 32px; }.section-heading h2, .contact-inner h2 { font-size: clamp(2.45rem, 12vw, 4rem); }
  .project-card { grid-template-columns: 36px 1fr; gap: 10px; padding-right: 0; }.project-card:hover { padding-left: 0; }.project-arrow { display: none; }.project-meta { flex-direction: column; gap: 3px; }.project-card p { font-size: .9rem; }
  .stack-grid { grid-template-columns: 1fr; }.stack-card { min-height: 170px; }.stack-card h3 { margin-top: 28px; }
  .about-columns, .fact-grid { grid-template-columns: 1fr; gap: 22px; margin-top: 38px; }.about-lead { font-size: clamp(2.2rem, 11vw, 3.8rem); }
  .site-footer { padding-block: 24px; align-items: flex-start; flex-direction: column; }
  .project-detail-hero { padding-block: 54px 54px; }.project-detail-hero h1 { font-size: clamp(3.2rem, 15vw, 5.3rem); }.project-detail-meta { grid-template-columns: 1fr; }.project-detail-meta div, .project-detail-meta div + div { padding: 15px 0; border-right: 0; border-bottom: 1px solid var(--line); }.project-detail-meta div:last-child { border-bottom: 0; }.detail-body { padding-block: 58px; }.architecture { padding: 18px; font-size: .76rem; }.detail-next { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,*::before,*::after { animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
}