/* ============ Fonts ============ */
@font-face { font-family: "Instrument Serif"; src: url("../fonts/instrument-serif-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Instrument Serif"; src: url("../fonts/instrument-serif-latin-400-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Geist"; src: url("../fonts/geist-latin-wght-normal.woff2") format("woff2"); font-weight: 100 900; font-style: normal; font-display: swap; }

/* ============ Tokens ============ */
:root {
  --bg: #050507;
  --surface: #0b0c11;
  --surface-2: #11131b;
  --surface-3: #181b25;
  --line: rgba(255, 255, 255, 0.08);
  --line-2: rgba(255, 255, 255, 0.14);
  --text: #f3f4f6;
  --muted: #a3a7b3;
  --dim: #767b89;
  --accent: #3aa6ff;
  --accent-fill: #0a70dc;
  --accent-fill-hover: #1a82f0;
  --accent-soft: rgba(58, 166, 255, 0.12);
  --accent-line: rgba(58, 166, 255, 0.35);
  --glow: rgba(24, 110, 255, 0.28);
  --green: #22c55e;
  --amber: #f5b544;

  --serif: "Instrument Serif", "Times New Roman", serif;
  --sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;

  --r-sm: 10px;
  --r: 16px;
  --r-lg: 22px;
  --side-w: 256px;
  --gutter: clamp(20px, 4vw, 56px);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow: 0 18px 40px -18px rgba(0, 0, 0, 0.8), 0 2px 6px rgba(0, 0, 0, 0.4);
  color-scheme: dark;
}

/* ============ Base ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; touch-action: manipulation; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p { margin: 0; }
h1, h2 { font-family: var(--serif); font-weight: 400; letter-spacing: -0.015em; line-height: 1.02; text-wrap: balance; }
h3 { font-size: 1.0625rem; font-weight: 600; letter-spacing: -0.01em; line-height: 1.3; }
p { text-wrap: pretty; }
strong { font-weight: 600; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--accent-fill); color: #fff; }
.ico { width: 1.1em; height: 1.1em; flex: none; }

.skip { position: fixed; left: 12px; top: -60px; z-index: 100; background: var(--accent-fill); color: #fff; padding: 10px 16px; border-radius: 10px; transition: top 0.2s; }
.skip:focus { top: 12px; }
.noscript { padding: 48px 0; color: var(--muted); }
.noscript a { color: var(--accent); text-decoration: underline; }

/* ============ Buttons & atoms ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55em;
  min-height: 46px; padding: 0 20px; border-radius: 999px;
  font-size: 0.9375rem; font-weight: 550; white-space: nowrap;
  transition: background-color 0.2s, border-color 0.2s, transform 0.2s var(--ease-out), box-shadow 0.2s;
}
.btn:active { transform: scale(0.97); }
.btn .ico { width: 1.05em; height: 1.05em; transition: transform 0.25s var(--ease-out); }
.btn:hover .ico { transform: translateX(2px); }
.btn-primary { background: var(--accent-fill); color: #fff; box-shadow: 0 8px 24px -10px rgba(10, 112, 220, 0.9), inset 0 1px 0 rgba(255, 255, 255, 0.18); }
.btn-primary:hover { background: var(--accent-fill-hover); }
.btn-ghost { border: 1px solid var(--line-2); color: var(--text); background: rgba(255, 255, 255, 0.02); }
.btn-ghost:hover { border-color: rgba(255, 255, 255, 0.3); background: rgba(255, 255, 255, 0.05); }
.btn-block { width: 100%; }

.icon-btn {
  display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 999px;
  border: 1px solid var(--line-2); background: var(--surface-2); color: var(--text);
  transition: background-color 0.2s, border-color 0.2s, transform 0.2s var(--ease-out);
}
.icon-btn:hover { background: var(--surface-3); border-color: rgba(255, 255, 255, 0.28); }
.icon-btn:active { transform: scale(0.94); }
.icon-btn .ico { width: 18px; height: 18px; }
.icon-btn-acc { background: var(--accent-fill); border-color: transparent; color: #fff; }
.icon-btn-acc:hover { background: var(--accent-fill-hover); }

.pill {
  display: inline-flex; align-items: center; gap: 0.5em; padding: 6px 14px 6px 12px;
  border-radius: 999px; background: var(--accent-soft); border: 1px solid rgba(58, 166, 255, 0.18);
  color: var(--accent); font-size: 0.8125rem; font-weight: 550;
}
.pill .ico { width: 14px; height: 14px; }
.sample {
  display: inline-flex; align-items: center; margin-left: 8px; padding: 4px 10px; border-radius: 999px;
  font-size: 0.6875rem; font-weight: 650; letter-spacing: 0.06em; text-transform: uppercase;
  color: #1a1204; background: var(--amber);
}
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tags li {
  padding: 4px 11px; border-radius: 999px; font-size: 0.8125rem; color: var(--muted);
  background: rgba(255, 255, 255, 0.04); border: 1px solid var(--line);
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex; align-items: center; gap: 7px; padding: 6px 12px; border-radius: 999px;
  font-size: 0.8125rem; font-weight: 500; background: var(--surface-3); border: 1px solid var(--line);
}
.chip .ico { width: 14px; height: 14px; color: var(--accent); }
.status {
  display: inline-flex; align-items: center; gap: 7px; padding: 5px 12px 5px 10px; border-radius: 999px;
  font-size: 0.8125rem; font-weight: 550; background: #10131a; border: 1px solid var(--line-2);
}
.status i { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.18); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); } }

/* Panel surface shared by cards: ink surface + blue under-glow + lit bottom edge */
.panel, .focus-card, .award, .ai-card, .skill, .lang, .hw-card, .site-card, .review, .profile, .tile, .arch {
  position: relative; isolation: isolate;
  background:
    radial-gradient(120% 70% at 50% 130%, var(--glow), transparent 62%),
    linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line);
  border-radius: var(--r);
}
.focus-card::after, .award::after, .ai-card::after, .skill::after, .lang::after, .site-card::after, .review::after, .arch::after {
  content: ""; position: absolute; left: 18%; right: 18%; bottom: -1px; height: 1px; z-index: -1;
  background: linear-gradient(90deg, transparent, rgba(58, 166, 255, 0.75), transparent);
}

/* ============ Sidebar ============ */
.sidebar {
  position: fixed; inset: 0 auto 0 0; width: var(--side-w); z-index: 40;
  display: flex; flex-direction: column; gap: 28px; padding: 22px 16px 20px;
  background:
    radial-gradient(90% 40% at 0% 70%, rgba(24, 90, 255, 0.16), transparent 70%),
    #07080c;
  border-right: 1px solid var(--line);
  overflow-y: auto;
}
.side-id { display: flex; align-items: center; gap: 12px; padding: 0 6px; }
.side-id img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
.side-id strong { display: block; font-size: 0.9375rem; line-height: 1.25; }
.side-id small { color: var(--muted); font-size: 0.8125rem; }
.side-close { display: none; margin-left: auto; }
.side-nav ul { display: grid; gap: 2px; }
.side-nav a {
  display: flex; align-items: center; gap: 12px; min-height: 40px; padding: 0 12px; border-radius: 10px;
  color: var(--muted); font-size: 0.9063rem; transition: color 0.2s, background-color 0.2s;
}
.side-nav a .ico { width: 17px; height: 17px; }
.side-nav a:hover { color: var(--text); background: rgba(255, 255, 255, 0.04); }
.side-nav a[aria-current="true"] { color: var(--text); background: rgba(58, 166, 255, 0.1); box-shadow: inset 0 0 0 1px rgba(58, 166, 255, 0.2); }
.side-nav a[aria-current="true"] .ico { color: var(--accent); }
.side-foot { margin-top: auto; display: grid; gap: 12px; padding: 0 6px; }
.side-label { font-size: 0.8125rem; color: var(--muted); }
.socials { display: flex; gap: 8px; }
.social {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%;
  background: var(--surface-2); border: 1px solid var(--line-2); transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}
.social .ico { width: 17px; height: 17px; }
.social:hover { background: var(--accent-fill); border-color: transparent; }
.scrim { position: fixed; inset: 0; z-index: 35; background: rgba(0, 0, 0, 0.6); backdrop-filter: blur(2px); }
.mbar { display: none; }

/* ============ Shell ============ */
.shell { margin-left: var(--side-w); min-height: 100vh; }
.topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  height: 56px; padding: 0 var(--gutter);
  background: rgba(5, 5, 7, 0.78); backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line); font-size: 0.875rem; color: var(--muted);
}
.topbar-item { display: inline-flex; align-items: center; gap: 8px; }
.topbar-item .ico { width: 16px; height: 16px; color: var(--accent); }
#clock { font-variant-numeric: tabular-nums; color: var(--accent); }
main { max-width: 1160px; margin: 0 auto; padding: 0 var(--gutter); }

/* ============ Hero ============ */
.hero { padding: clamp(48px, 7vw, 88px) 0 clamp(8px, 2vw, 24px); }
.hero-avatar { position: relative; width: max-content; margin-bottom: 30px; }
.hero-avatar img {
  width: 112px; height: 112px; border-radius: 50%; object-fit: cover;
  border: 1px solid var(--line-2); box-shadow: 0 0 0 6px rgba(58, 166, 255, 0.08), 0 20px 50px -20px rgba(24, 110, 255, 0.7);
}
.hero-avatar .status { position: absolute; left: 50%; bottom: -12px; transform: translateX(-50%); white-space: nowrap; }
.hero h1 { font-size: clamp(2.9rem, 6.4vw, 5.6rem); max-width: 13ch; }
.hero h1 .hello { display: block; color: var(--muted); }
.hero h1 em { font-style: italic; color: var(--accent); }
.lede { margin-top: 24px; max-width: 58ch; color: var(--muted); font-size: clamp(1rem, 1.3vw, 1.125rem); }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.focus { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: clamp(48px, 6vw, 72px); }
.focus-card { display: flex; flex-direction: column; min-height: 248px; padding: 20px; overflow: hidden; }
.focus-card .glyph { flex: 1; display: grid; place-items: center; min-height: 120px; }
.glyph-ico {
  width: 56px; height: 56px; color: #e9f3ff;
  filter: drop-shadow(0 0 18px rgba(58, 166, 255, 0.65)) drop-shadow(0 8px 20px rgba(24, 110, 255, 0.5));
  transition: transform 0.5s var(--ease-out);
}
.focus-card:hover .glyph-ico { transform: translateY(-4px) scale(1.06); }
.focus-card h3 { font-family: var(--serif); font-weight: 400; font-size: 1.75rem; letter-spacing: -0.01em; }
.focus-card p { color: var(--muted); font-size: 0.875rem; margin-top: 2px; }

/* Hero entrance — the page's one orchestrated moment */
.h-in { animation: rise 0.9s var(--ease-out) both; animation-delay: calc(var(--d) * 90ms + 80ms); }
@keyframes rise { from { opacity: 0; transform: translateY(14px); filter: blur(6px); } }

/* ============ Sections ============ */
.section { padding: clamp(72px, 9vw, 128px) 0 0; }
.shead { margin-bottom: clamp(32px, 4vw, 48px); }
.shead-row { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px 48px; margin-top: 16px; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.shead h2 { font-size: clamp(2.4rem, 4.6vw, 4rem); }
.shead p { max-width: 36ch; color: var(--muted); text-align: right; font-size: 0.9375rem; }
.js-reveal .reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out); }
.js-reveal .reveal.in { opacity: 1; transform: none; }

/* ============ Automations ============ */
.arch { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.4fr); gap: 32px; align-items: center; padding: 28px; margin-bottom: 20px; }
.arch-copy h3 { font-family: var(--serif); font-weight: 400; font-size: 1.75rem; }
.arch-copy p { color: var(--muted); font-size: 0.9375rem; margin-top: 8px; max-width: 46ch; }
.arch-copy strong { color: var(--text); }
.arch-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; counter-reset: step; }
.arch-flow li {
  position: relative; display: grid; gap: 10px; padding: 14px; border-radius: 12px;
  background: rgba(255, 255, 255, 0.03); border: 1px solid var(--line-2);
}
.arch-flow li > .ico { width: 20px; height: 20px; color: var(--accent); }
.arch-flow strong { display: block; font-size: 0.875rem; }
.arch-flow small { color: var(--muted); font-size: 0.8125rem; }
.arch-flow li + li::before {
  content: ""; position: absolute; left: -13px; top: 50%; width: 14px; height: 1px;
  background: var(--accent-line);
}
.arch-flow li + li::after {
  content: ""; position: absolute; left: -12px; top: calc(50% - 2px); width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 10px var(--accent);
  animation: signal 3.2s var(--ease-out) infinite; animation-delay: calc(var(--n, 0) * 0.4s);
}
.arch-flow li:nth-child(3) { --n: 1; }
.arch-flow li:nth-child(4) { --n: 2; }
@keyframes signal { 0% { transform: translateX(-2px); opacity: 0; } 20% { opacity: 1; } 60%, 100% { transform: translateX(10px); opacity: 0; } }

.explorer { border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); overflow: hidden; }
.mod-tabs {
  display: flex; gap: 6px; padding: 10px; overflow-x: auto; scrollbar-width: none;
  border-bottom: 1px solid var(--line); background: #08090d;
}
.mod-tabs::-webkit-scrollbar { display: none; }
.mod-tabs button {
  display: inline-flex; align-items: center; gap: 10px; flex: none; min-height: 44px; padding: 0 14px 0 8px;
  border-radius: 12px; color: var(--muted); font-size: 0.875rem; font-weight: 500;
  transition: color 0.2s, background-color 0.2s;
}
.mod-tabs button:hover { color: var(--text); background: rgba(255, 255, 255, 0.04); }
.mod-tabs .code {
  display: grid; place-items: center; width: 28px; height: 28px; border-radius: 8px;
  font-size: 0.8125rem; font-weight: 650; background: var(--surface-3); color: var(--muted);
  transition: background-color 0.2s, color 0.2s;
}
.mod-tabs small { font-size: 0.75rem; color: var(--dim); font-variant-numeric: tabular-nums; }
.mod-tabs [aria-selected="true"] { color: var(--text); background: var(--surface-3); box-shadow: inset 0 0 0 1px var(--line-2); }
.mod-tabs [aria-selected="true"] .code { background: var(--accent-fill); color: #fff; }
.mod-panel { display: grid; grid-template-columns: minmax(0, 340px) minmax(0, 1fr); }
.mod-info { padding: 28px; border-right: 1px solid var(--line); }
.mod-code { font-size: 0.8125rem; color: var(--accent); font-weight: 550; }
.mod-info h3 { font-family: var(--serif); font-weight: 400; font-size: 2.25rem; line-height: 1.05; margin: 6px 0 12px; }
.mod-info > p:not(.mod-code):not(.wf-label) { color: var(--muted); font-size: 0.9375rem; }
.mod-info .tags { margin-top: 16px; }
.wf-label { margin-top: 24px; font-size: 0.8125rem; color: var(--dim); font-weight: 550; }
.wf-list { display: grid; gap: 2px; margin-top: 8px; }
.wf-list button {
  display: flex; align-items: center; gap: 10px; width: 100%; min-height: 40px; padding: 6px 10px; border-radius: 10px;
  text-align: left; font-size: 0.875rem; color: var(--muted); transition: color 0.2s, background-color 0.2s;
}
.wf-list button:hover { color: var(--text); background: rgba(255, 255, 255, 0.04); }
.wf-list [aria-pressed="true"] { color: var(--text); background: var(--accent-soft); }
.wf-n { flex: none; min-width: 30px; font-size: 0.75rem; font-weight: 600; color: var(--dim); font-variant-numeric: tabular-nums; }
.wf-list [aria-pressed="true"] .wf-n { color: var(--accent); }
.stage { margin: 0; padding: 24px; display: flex; flex-direction: column; gap: 12px; min-width: 0;
  background: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.07) 1px, transparent 0) 0 0 / 18px 18px; }
.window { border-radius: 14px; overflow: hidden; border: 1px solid var(--line-2); box-shadow: var(--shadow); background: #0e1016; }
.window-bar { display: flex; align-items: center; gap: 12px; height: 44px; padding: 0 8px 0 14px; border-bottom: 1px solid var(--line); }
.dots { display: flex; gap: 6px; }
.dots i { width: 10px; height: 10px; border-radius: 50%; background: #2a2e3a; }
.window-title { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 0.8125rem; color: var(--muted); }
.window-open {
  display: inline-flex; align-items: center; gap: 6px; min-height: 32px; padding: 0 12px; border-radius: 8px;
  font-size: 0.8125rem; font-weight: 550; color: var(--text); background: var(--surface-3);
}
.window-open:hover { background: var(--accent-fill); }
.window-open .ico { width: 14px; height: 14px; }
.window-body { display: grid; place-items: center; width: 100%; aspect-ratio: 16 / 9; padding: 12px; background: #f6f7f9; cursor: zoom-in; }
.window-body img { width: 100%; height: 100%; object-fit: contain; transition: opacity 0.35s var(--ease-out), transform 0.5s var(--ease-out); }
.window-body:hover img { transform: scale(1.015); }
.window-body img.swap { opacity: 0; transform: scale(0.985); }
.stage figcaption { font-size: 0.8125rem; color: var(--dim); }

/* ============ AI builds ============ */
.ai-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.ai-card { display: flex; flex-direction: column; gap: 10px; padding: 22px; }
.ai-card h3 { font-family: var(--serif); font-weight: 400; font-size: 1.625rem; margin-top: 10px; }
.ai-card p { color: var(--muted); font-size: 0.9063rem; }
.ai-card .tags { margin-top: auto; padding-top: 8px; }
.flow { display: grid; gap: 10px; padding: 16px; border-radius: 12px; background: rgba(0, 0, 0, 0.35); border: 1px solid var(--line); }
.flow li { position: relative; display: flex; align-items: center; gap: 10px; font-size: 0.8438rem; }
.flow li .ico { width: 30px; height: 30px; padding: 7px; border-radius: 8px; background: var(--surface-3); border: 1px solid var(--line-2); color: var(--accent); }
.flow li + li::before { content: ""; position: absolute; left: 14.5px; top: -10px; width: 1px; height: 10px; background: var(--accent-line); }

/* ============ Builds ============ */
.site-card { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.4fr); gap: 28px; padding: 28px; }
.site-copy { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.site-copy h3, .hw-card h3 { font-family: var(--serif); font-weight: 400; font-size: 2rem; line-height: 1.05; }
.site-copy p:not(.kind), .hw-card p:not(.kind) { color: var(--muted); font-size: 0.9375rem; }
.site-copy .btn { margin-top: 8px; }
.kind { font-size: 0.8125rem; font-weight: 550; color: var(--accent); }
.site-shots { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; align-content: start; }
.shot { overflow: hidden; border-radius: 10px; border: 1px solid var(--line-2); background: #000; cursor: zoom-in; }
.shot img { width: 100%; height: auto; aspect-ratio: 900 / 410; object-fit: cover; transition: transform 0.5s var(--ease-out), opacity 0.3s; opacity: 0.85; }
.shot:hover img { transform: scale(1.04); opacity: 1; }
.shot-main { grid-column: 1 / -1; }
.shot-main img { opacity: 1; }
.hw-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 14px; }
.hw-card { display: flex; gap: 18px; padding: 24px; }
.hw-card > div:last-child { display: grid; gap: 8px; }
.hw-card h3 { font-size: 1.625rem; }
.hw-glyph { flex: none; display: grid; place-items: center; width: 52px; height: 52px; border-radius: 14px; background: var(--accent-soft); color: var(--accent); border: 1px solid rgba(58, 166, 255, 0.2); }
.hw-glyph .ico { width: 24px; height: 24px; }

/* ============ Experience ============ */
.xp { border-top: 1px solid var(--line); }
.xp-item { border-bottom: 1px solid var(--line); }
.xp-head {
  display: grid; grid-template-columns: 44px minmax(150px, 0.8fr) minmax(0, 2fr) 44px; align-items: center; gap: 20px;
  width: 100%; padding: 24px 0; text-align: left;
}
.xp-mark { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--accent-fill); color: #fff; font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.02em; }
.xp-meta small { display: block; color: var(--muted); font-size: 0.8125rem; font-variant-numeric: tabular-nums; }
.xp-meta strong { font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.04em; }
.xp-role { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 12px; font-family: var(--serif); font-size: clamp(1.5rem, 2.4vw, 2rem); line-height: 1.1; }
.state { font-family: var(--sans); font-size: 0.75rem; font-weight: 550; padding: 3px 10px; border-radius: 999px; background: var(--surface-3); color: var(--muted); }
.state.on { background: rgba(34, 197, 94, 0.12); color: #5ee08e; }
.xp-toggle { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--surface-3); border: 1px solid var(--line-2); justify-self: end; transition: transform 0.35s var(--ease-out), background-color 0.2s; }
.xp-toggle .ico { width: 18px; height: 18px; }
.xp-head:hover .xp-toggle { background: var(--accent-fill); }
.xp-head[aria-expanded="true"] .xp-toggle { transform: rotate(45deg); }
.xp-body { padding: 0 0 28px; display: grid; gap: 14px; margin-left: calc(44px + 20px); max-width: 78ch; }
.xp-detail { color: var(--accent); font-size: 0.875rem; }
.xp-points { display: grid; gap: 8px; }
.xp-points li { position: relative; padding-left: 20px; color: var(--muted); font-size: 0.9375rem; }
.xp-points li::before { content: ""; position: absolute; left: 2px; top: 0.72em; width: 7px; height: 1px; background: var(--accent); }

/* ============ Awards ============ */
.award-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.award { display: flex; flex-direction: column; min-height: 200px; padding: 22px; }
.award-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: auto; padding-bottom: 36px; }
.award-ico { width: 30px; height: 30px; color: #eaf4ff; filter: drop-shadow(0 0 12px rgba(58, 166, 255, 0.5)); }
.year { padding: 4px 11px; border-radius: 999px; font-size: 0.75rem; font-weight: 550; color: var(--accent); background: var(--accent-soft); border: 1px solid rgba(58, 166, 255, 0.18); }
.award h3 { font-size: 1rem; }
.award p { color: var(--muted); font-size: 0.875rem; margin-top: 2px; }

/* ============ Toolkit marquee ============ */
.section-bleed { max-width: none; }
.marquee {
  display: grid; gap: 10px; overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.mq-row { display: flex; width: max-content; }
.mq-track { display: flex; gap: 10px; padding-right: 10px; animation: mq 46s linear infinite; }
.mq-row.rev .mq-track { animation-direction: reverse; animation-duration: 52s; }
.marquee:hover .mq-track { animation-play-state: paused; }
@keyframes mq { to { transform: translateX(-100%); } }
.tool {
  display: inline-flex; align-items: center; gap: 10px; flex: none; height: 56px; padding: 0 18px 0 12px;
  border-radius: 12px; background: var(--surface); border: 1px solid var(--line); white-space: nowrap;
}
.tool-ico { width: 32px; height: 32px; padding: 7px; border-radius: 8px; background: var(--surface-3); color: #e6f1ff; }
.tool strong { font-size: 0.9375rem; font-weight: 550; }
.tool span { font-size: 0.8125rem; color: var(--muted); }
.tool span::before { content: "·"; margin-right: 8px; color: var(--dim); }

/* ============ Skills bento ============ */
.bento { display: grid; grid-template-columns: 1.15fr 1fr; grid-template-rows: auto auto auto; gap: 14px; }
.skill { display: flex; gap: 18px; padding: 22px; }
.skill-feature { grid-row: span 2; flex-direction: column; justify-content: flex-end; min-height: 360px; padding: 28px;
  background:
    radial-gradient(60% 50% at 70% 25%, rgba(58, 166, 255, 0.16), transparent 70%),
    radial-gradient(120% 70% at 50% 130%, var(--glow), transparent 62%),
    linear-gradient(180deg, var(--surface-2), var(--surface)); }
.skill-feature .skill-ico { width: 72px; height: 72px; border-radius: 20px; margin-bottom: auto; }
.skill-feature .skill-ico .ico { width: 34px; height: 34px; }
.skill-feature h3 { font-size: 2.25rem; }
.skill-wide { grid-column: 1 / -1; }
.skill-ico { flex: none; display: grid; place-items: center; width: 52px; height: 52px; border-radius: 14px; background: var(--accent-soft); border: 1px solid rgba(58, 166, 255, 0.22); color: var(--accent); }
.skill-ico .ico { width: 24px; height: 24px; }
.skill-copy { display: grid; gap: 8px; align-content: start; }
.skill h3 { font-family: var(--serif); font-weight: 400; font-size: 1.75rem; line-height: 1.05; }
.skill p { color: var(--muted); font-size: 0.9063rem; max-width: 60ch; }
.skill .chips { margin-top: 6px; }

/* ============ Education ============ */
.edu { border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: var(--surface); }
.edu-row { display: flex; align-items: center; gap: 18px; padding: 20px 22px; background: radial-gradient(60% 120% at 80% 50%, rgba(24, 90, 255, 0.07), transparent 70%); }
.edu-row + .edu-row { border-top: 1px solid var(--line); }
.edu-ico { flex: none; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--accent-fill); color: #fff; }
.edu-ico .ico { width: 20px; height: 20px; }
.edu-main { flex: 1; min-width: 0; }
.edu-main strong { display: block; font-family: var(--serif); font-weight: 400; font-size: 1.5rem; line-height: 1.15; }
.edu-main small { color: var(--muted); font-size: 0.875rem; }
.edu-pills { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.pill-mute, .pill-acc { padding: 5px 12px; border-radius: 999px; font-size: 0.8125rem; white-space: nowrap; }
.pill-mute { background: var(--surface-3); color: var(--muted); border: 1px solid var(--line); }
.pill-acc { background: var(--accent-soft); color: var(--accent); border: 1px solid rgba(58, 166, 255, 0.2); }
.seminars { margin-top: 28px; }
.seminars h3 { font-size: 0.875rem; color: var(--muted); font-weight: 550; margin-bottom: 12px; }

/* ============ Reviews ============ */
.review { display: grid; grid-template-columns: 80px minmax(0, 1fr); gap: 8px 28px; padding: clamp(24px, 4vw, 40px); }
.q-ico { width: 44px; height: 44px; color: var(--accent); }
.review-body { min-height: 200px; display: flex; flex-direction: column; justify-content: space-between; gap: 24px; }
.review-body.fade { animation: fadeIn 0.5s var(--ease-out); }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } }
.review blockquote { margin: 0; font-family: var(--serif); font-size: clamp(1.6rem, 2.8vw, 2.4rem); line-height: 1.15; max-width: 32ch; text-wrap: balance; }
.who { display: flex; align-items: center; gap: 12px; }
.who strong { display: block; font-size: 0.9375rem; }
.who small { color: var(--muted); font-size: 0.875rem; }
.mono { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--surface-3); border: 1px solid var(--line-2); font-size: 0.8125rem; font-weight: 650; }
.review-nav { grid-column: 2; display: flex; align-items: center; gap: 10px; justify-content: flex-end; }
.review-count { margin-right: auto; font-size: 0.8125rem; color: var(--muted); font-variant-numeric: tabular-nums; }

/* ============ Languages ============ */
.lang-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.lang { display: flex; flex-direction: column; padding: 24px; min-height: 230px; }
.ring { position: relative; width: 96px; height: 96px; margin: 0 auto 28px; }
.ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring circle { fill: none; stroke-width: 5; }
.ring-bg { stroke: var(--surface-3); }
.ring-fg { stroke: var(--accent); stroke-linecap: round; stroke-dasharray: var(--len); stroke-dashoffset: var(--off); transition: stroke-dashoffset 1.4s var(--ease-out); filter: drop-shadow(0 0 6px rgba(58, 166, 255, 0.5)); }
.js-reveal .lang:not(.in) .ring-fg { stroke-dashoffset: var(--len); }
.ring span { position: absolute; inset: 0; display: grid; place-items: center; font-family: var(--serif); font-size: 1.5rem; }
.lang h3 { font-family: var(--serif); font-weight: 400; font-size: 1.625rem; }
.lang p { color: var(--muted); font-size: 0.875rem; }

/* ============ Contact ============ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.profile { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 10px; padding: 0 28px 32px; overflow: hidden; }
.profile-glow {
  position: absolute; inset: 0 0 auto; height: 150px; z-index: -1;
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 44px),
    radial-gradient(80% 120% at 50% 0%, rgba(24, 110, 255, 0.85), rgba(24, 90, 255, 0.15) 70%, transparent);
}
.profile img { width: 104px; height: 104px; margin-top: 96px; border-radius: 50%; object-fit: cover; border: 4px solid var(--surface-2); box-shadow: 0 0 0 1px var(--line-2); }
.profile .status { margin-top: -22px; }
.profile h3 { font-family: var(--serif); font-weight: 400; font-size: 2.25rem; margin-top: 8px; }
.profile > p { color: var(--muted); font-size: 0.9375rem; margin-top: -6px; }
.profile .socials { margin: 8px 0 12px; }
.form { display: grid; gap: 16px; align-content: start; padding: 4px 0; }
.field label { display: block; font-size: 0.875rem; font-weight: 550; margin-bottom: 8px; }
.field input, .field textarea {
  width: 100%; min-height: 48px; padding: 12px 14px; border-radius: 12px;
  font: inherit; font-size: 1rem; color: var(--text); background: var(--surface); border: 1px solid var(--line-2);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field textarea { resize: vertical; min-height: 132px; }
.field input::placeholder, .field textarea::placeholder { color: #8a8f9c; }
.field input:hover, .field textarea:hover { border-color: rgba(255, 255, 255, 0.24); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(58, 166, 255, 0.2); }
.field [aria-invalid="true"] { border-color: #f87171; }
.err { min-height: 0; color: #fca5a5; font-size: 0.8125rem; margin-top: 6px; }
.err:empty { display: none; }
.form-note { font-size: 0.8125rem; color: var(--muted); text-align: center; }
.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 14px; }
.tile { display: flex; align-items: center; gap: 14px; padding: 16px 18px; min-width: 0; }
.tile-ico { flex: none; display: grid; place-items: center; width: 46px; height: 46px; border-radius: 12px; background: var(--surface-3); border: 1px solid var(--line-2); }
.tile-ico .ico { width: 20px; height: 20px; }
.tile > span:last-child { min-width: 0; }
.tile small { display: block; font-size: 0.8125rem; color: var(--muted); }
.tile a, .tile strong { display: block; font-weight: 550; font-size: 0.9375rem; overflow-wrap: anywhere; }
.tile a:hover { color: var(--accent); }

/* ============ Footer ============ */
.footer {
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  max-width: 1160px; margin: clamp(80px, 10vw, 128px) auto 0; padding: 28px var(--gutter) 36px;
  border-top: 1px solid var(--line); font-size: 0.875rem; color: var(--muted);
}
.footer a { display: inline-flex; align-items: center; gap: 6px; }
.footer a:hover { color: var(--text); }

/* ============ Viewer ============ */
.viewer {
  width: 100vw; height: 100dvh; max-width: none; max-height: none; margin: 0; padding: 0; border: 0;
  background: #06070b; color: var(--text); overflow: hidden;
}
.viewer::backdrop { background: rgba(0, 0, 0, 0.8); }
.viewer[open] { display: grid; grid-template-rows: auto 1fr auto; animation: fadeIn 0.3s var(--ease-out); }
.viewer-bar { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 10px 14px 10px 20px; border-bottom: 1px solid var(--line); }
.viewer-title { min-width: 0; }
.viewer-title strong { display: block; font-size: 0.9375rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.viewer-title small { color: var(--muted); font-size: 0.8125rem; }
.viewer-tools { display: flex; align-items: center; gap: 6px; }
.viewer-tools output { min-width: 52px; text-align: center; font-size: 0.8125rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.viewer-stage {
  position: relative; overflow: hidden; cursor: grab; touch-action: none;
  background: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.07) 1px, transparent 0) 0 0 / 20px 20px;
}
.viewer-stage.grabbing { cursor: grabbing; }
.viewer-stage img { position: absolute; left: 0; top: 0; max-width: none; transform-origin: 0 0; user-select: none; border-radius: 6px; box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.9); background: #fff; }
.viewer-nav { position: absolute; top: 50%; transform: translateY(-50%); }
.viewer-nav.prev { left: 16px; }
.viewer-nav.next { right: 16px; }
.viewer-nav[hidden] { display: none; }
.viewer-hint { padding: 10px; text-align: center; font-size: 0.8125rem; color: var(--muted); border-top: 1px solid var(--line); }

/* ============ Responsive ============ */
@media (max-width: 1180px) {
  .focus { grid-template-columns: repeat(2, 1fr); }
  .focus-card { min-height: 200px; }
  .arch { grid-template-columns: 1fr; }
  .mod-panel { grid-template-columns: 1fr; }
  .mod-info { border-right: 0; border-bottom: 1px solid var(--line); }
  .wf-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ai-grid { grid-template-columns: 1fr 1fr; }
  .site-card { grid-template-columns: 1fr; }
  .lang-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1023px) {
  :root { --side-w: 300px; }
  html { scroll-padding-top: 64px; }
  .mbar {
    position: sticky; top: 0; z-index: 30; display: flex; justify-content: space-between; align-items: center;
    height: 64px; padding: 0 var(--gutter); background: rgba(5, 5, 7, 0.85); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line);
  }
  .mbar-id { display: flex; align-items: center; gap: 10px; }
  .mbar-id img { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; }
  .mbar-id strong { display: block; font-size: 0.9375rem; line-height: 1.2; }
  .mbar-id small { color: var(--muted); font-size: 0.75rem; }
  .sidebar { transform: translateX(-100%); visibility: hidden; transition: transform 0.4s var(--ease-out), visibility 0s 0.4s; box-shadow: 30px 0 60px rgba(0, 0, 0, 0.6); }
  .sidebar.open { transform: none; visibility: visible; transition: transform 0.4s var(--ease-out); }
  .side-close { display: inline-grid; }
  .shell { margin-left: 0; }
  .topbar { position: static; }
}
@media (max-width: 760px) {
  .shead-row { flex-direction: column; align-items: flex-start; }
  .shead p { text-align: left; }
  .arch-flow { grid-template-columns: 1fr 1fr; }
  .arch-flow li:nth-child(3)::before, .arch-flow li:nth-child(3)::after { display: none; }
  .wf-list { grid-template-columns: 1fr; }
  .mod-info, .stage { padding: 20px; }
  .ai-grid, .award-grid, .hw-grid, .contact-grid, .tiles { grid-template-columns: 1fr; }
  .bento { grid-template-columns: 1fr; }
  .skill-feature { grid-row: auto; min-height: 300px; }
  .site-shots { grid-template-columns: repeat(2, 1fr); }
  .xp-head { grid-template-columns: 44px minmax(0, 1fr) 40px; gap: 6px 14px; padding: 20px 0; }
  .xp-meta { grid-column: 2; }
  .xp-role { grid-column: 1 / -1; grid-row: 2; }
  .xp-toggle { grid-column: 3; grid-row: 1; }
  .xp-body { margin-left: 0; }
  .edu-row { flex-wrap: wrap; }
  .edu-pills { width: 100%; justify-content: flex-start; padding-left: 62px; }
  .review { grid-template-columns: 1fr; }
  .review-nav { grid-column: 1; }
  .q-ico { width: 34px; height: 34px; }
  .award { min-height: 0; }
  .topbar { font-size: 0.8125rem; padding: 0 var(--gutter); }
}
@media (max-width: 440px) {
  .focus { grid-template-columns: 1fr 1fr; gap: 10px; }
  .focus-card { min-height: 180px; padding: 16px; }
  .focus-card h3 { font-size: 1.375rem; }
  .glyph-ico { width: 44px; height: 44px; }
  .cta-row .btn { flex: 1 1 100%; }
  .lang-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .lang { padding: 18px; min-height: 0; }
  .ring { width: 80px; height: 80px; }
  .arch-flow { grid-template-columns: 1fr; }
  .arch-flow li + li::before, .arch-flow li + li::after { display: none; }
  .viewer-tools output { display: none; }
  .viewer-tools .icon-btn { width: 40px; height: 40px; }
}

/* ============ Reduced motion ============ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .mq-row { width: auto; }
  .mq-track { flex-wrap: wrap; animation: none; }
  .mq-track[aria-hidden="true"] { display: none; }
  .marquee { -webkit-mask-image: none; mask-image: none; }
}