/* ==========================================================================
   Saeed Mahdian: personal site
   Dark/technical by default, crimson accent. Logical properties keep RTL free.
   ========================================================================== */

/* Self-hosted variable fonts (OFL): no third-party requests, works well from Iran. */
@font-face { font-family: "Inter"; src: url("../fonts/inter-var.woff2") format("woff2"); font-weight: 100 900; font-display: swap; unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2190-2199, U+2212, U+2215; }
@font-face { font-family: "Inter"; src: url("../fonts/inter-var-ext.woff2") format("woff2"); font-weight: 100 900; font-display: swap; unicode-range: U+0100-024F, U+1E00-1EFF, U+20A0-20AB, U+20AD-20CF, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "JetBrains Mono"; src: url("../fonts/jetbrains-mono-var.woff2") format("woff2"); font-weight: 100 800; font-display: swap; unicode-range: U+0000-00FF, U+2000-206F, U+2190-2199, U+2212; }
@font-face { font-family: "Vazirmatn"; src: url("../fonts/vazirmatn-var.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }

:root {  --bg: #0b0c10;
  --bg-2: #0f1117;
  --surface: #14161d;
  --surface-2: #1a1d26;
  --border: #242835;
  --border-2: #313646;
  --text: #e8e9ee;
  --text-2: #b4b8c5;
  --muted: #7d8395;
  --crimson: #a3123f;
  --crimson-2: #e14d77;
  --crimson-deep: #6e0b2a;
  --crimson-soft: rgba(163, 18, 63, .2);
  --teal: #3ecf8e;
  --amber: #f5b454;
  --violet: #8b7cff;
  --grid: rgba(255, 255, 255, .035);
  --shadow: 0 20px 60px -20px rgba(0, 0, 0, .6);
  --radius: 14px;
  --radius-sm: 9px;
  --wrap: 1180px;
  --font: "Inter", "Vazirmatn", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", "Vazirmatn", ui-monospace, "Cascadia Code", Consolas, monospace;
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #f6f5f2;
  --bg-2: #efede8;
  --surface: #ffffff;
  --surface-2: #f3f2ee;
  --border: #e2dfd8;
  --border-2: #d3cfc6;
  --text: #15161b;
  --text-2: #3d404b;
  --muted: #6d717d;
  --crimson: #9b1036;
  --crimson-2: #a3123f;
  --crimson-deep: #6e0b2a;
  --crimson-soft: rgba(155, 16, 54, .09);
  --teal: #13a06a;
  --amber: #c98512;
  --violet: #5b4bdb;
  --grid: rgba(0, 0, 0, .04);
  --shadow: 0 20px 50px -24px rgba(40, 30, 20, .28);
  color-scheme: light;
}

html[lang="fa"] { --font: "Vazirmatn", "Inter", system-ui, sans-serif; }

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 48px 48px;
  color: var(--text);
  font: 400 16px/1.65 var(--font);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
html[lang="fa"] body { line-height: 1.9; }
/* Persian text inside "mono" UI bits reads better in the text face. */
html[lang="fa"] :is(.status, .period, .t-line span, .teach-stats b, .state, .post-meta, .sec-num, .g-lane, .used-in .dim) { font-family: var(--font); }
img { max-width: 100%; display: block; }
a { color: inherit; }
button { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; line-height: 1.15; letter-spacing: -.02em; }
html[lang="fa"] :is(h1, h2, h3, h4) { letter-spacing: 0; line-height: 1.45; }
p { margin: 0; }
::selection { background: var(--crimson); color: #fff; }
:focus-visible { outline: 2px solid var(--crimson-2); outline-offset: 3px; border-radius: 6px; }

.mono { font-family: var(--mono); letter-spacing: 0; }
.dim { color: var(--muted); }
.c { color: var(--crimson-2); }
.wrap { width: min(100% - 32px, var(--wrap)); margin-inline: auto; }
.skip { position: absolute; inset-inline-start: -999px; top: 8px; z-index: 100; background: var(--crimson); color: #fff; padding: 8px 14px; border-radius: 8px; }
.skip:focus { inset-inline-start: 8px; }

/* ---------- progress + nav ---------- */
.progress { position: fixed; inset: 0 0 auto; height: 2px; z-index: 60; }
.progress span { display: block; height: 100%; width: 100%; background: linear-gradient(90deg, var(--crimson-deep), var(--crimson)); transform-origin: left; transform: scaleX(0); }
[dir="rtl"] .progress span { transform-origin: right; }

.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.nav.scrolled { border-bottom-color: var(--border); }
.nav-in { display: flex; align-items: center; gap: 20px; height: 64px; }
.brand { font-weight: 700; text-decoration: none; font-size: 15px; white-space: nowrap; direction: ltr; }
.brand span { color: var(--crimson); }
.nav-links { display: flex; gap: 2px; list-style: none; margin: 0 auto; padding: 0; }
.nav-links a {
  display: flex; align-items: baseline; gap: 6px;
  padding: 7px 11px; border-radius: 8px; text-decoration: none;
  color: var(--text-2); font-size: 14px; font-weight: 500; transition: color .2s, background .2s;
}
.nav-links a i { font-style: normal; font-size: 10px; color: var(--muted); }
.nav-links a:hover, .nav-links a.active { color: var(--text); background: var(--surface); }
.nav-links a.active i { color: var(--crimson-2); }
.nav-tools { display: flex; align-items: center; gap: 8px; margin-inline-start: auto; }
.nav-links + .nav-tools { margin-inline-start: 0; }
.pill {
  padding: 6px 12px; border: 1px solid var(--border-2); border-radius: 999px;
  text-decoration: none; font-size: 13px; font-weight: 600; transition: border-color .2s, color .2s;
}
.pill:hover { border-color: var(--crimson); color: var(--crimson-2); }
.lang { font-family: "Vazirmatn", var(--font); }
html[lang="fa"] .lang { font-family: "Inter", var(--font); }
.icon-btn {
  display: grid; place-items: center; width: 36px; height: 36px;
  border: 1px solid var(--border-2); border-radius: 10px; background: transparent; cursor: pointer;
  transition: border-color .2s, color .2s;
}
.icon-btn:hover { border-color: var(--crimson); color: var(--crimson-2); }
.i-sun { display: none; }
[data-theme="light"] .i-sun { display: block; }
[data-theme="light"] .i-moon { display: none; }
.burger { display: none; }
.burger span { display: block; width: 16px; height: 2px; background: currentColor; border-radius: 2px; transition: transform .25s; }
.burger span + span { margin-top: 4px; }
.burger[aria-expanded="true"] span:first-child { transform: translateY(3px) rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { transform: translateY(-3px) rotate(-45deg); }

/* ---------- buttons, chips, tags ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 20px; border-radius: 11px; border: 1px solid var(--border-2);
  background: var(--surface); text-decoration: none; font-weight: 600; font-size: 15px;
  cursor: pointer; transition: transform .2s, border-color .2s, background .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-2px); border-color: var(--text-2); }
.btn.primary { background: var(--crimson); border-color: var(--crimson); color: #fff; box-shadow: 0 10px 30px -10px var(--crimson); }
.btn.primary:hover { background: color-mix(in srgb, var(--crimson) 85%, #fff); border-color: color-mix(in srgb, var(--crimson) 85%, #fff); }
.btn.ghost { background: transparent; }
.link-btn { background: none; border: 0; padding: 4px 0; cursor: pointer; color: var(--crimson-2); font-weight: 600; font-size: 14px; white-space: nowrap; }
.link-btn:hover { text-decoration: underline; }

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.chip {
  padding: 7px 15px; border-radius: 999px; border: 1px solid var(--border-2);
  background: transparent; cursor: pointer; font-size: 14px; font-weight: 500; color: var(--text-2);
  transition: all .2s;
}
.chip:hover { color: var(--text); border-color: var(--text-2); }
.chip.on { background: var(--text); color: var(--bg); border-color: var(--text); }

.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { font-size: 11.5px; padding: 3px 8px; border-radius: 6px; background: var(--surface-2); border: 1px solid var(--border); color: var(--text-2); direction: ltr; }

.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--teal); flex: none; }
.dot.live { background: var(--crimson-2); box-shadow: 0 0 0 0 var(--crimson-2); animation: pulse 2s infinite; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--crimson-2) 70%, transparent); }
  70% { box-shadow: 0 0 0 9px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

/* ---------- sections ---------- */
.section { padding: 96px 0; position: relative; }
.sec-head { margin-bottom: 44px; max-width: 760px; }
.sec-num { display: inline-block; font-size: 13px; color: var(--crimson-2); margin-bottom: 14px; direction: ltr; }
.sec-num i { font-style: normal; color: var(--muted); padding-inline: 4px; }
.sec-head h2 { font-size: clamp(32px, 5vw, 52px); font-weight: 800; }
.lead { margin-top: 14px; color: var(--text-2); font-size: 17px; }
.mini-title { font-size: 12.5px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 500; margin-bottom: 14px; }
html[lang="fa"] .mini-title { text-transform: none; letter-spacing: 0; font-family: var(--font); font-size: 14px; }

.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease var(--d, 0ms), transform .7s cubic-bezier(.2, .7, .2, 1) var(--d, 0ms); }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- hero ---------- */
.hero { position: relative; min-height: min(calc(100svh - 64px), 980px); display: flex; align-items: center; padding: 40px 0 90px; overflow: hidden; }
#flow { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.25fr .9fr; gap: 56px; align-items: center; }
.kicker { color: var(--muted); font-size: 14px; margin-bottom: 18px; direction: ltr; text-align: start; }
[dir="rtl"] .kicker { text-align: end; }
.hero h1 { font-size: clamp(44px, 7.4vw, 88px); font-weight: 800; letter-spacing: -.035em; }
html[lang="fa"] .hero h1 { letter-spacing: 0; }
.hello { display: block; font-size: .32em; font-weight: 500; color: var(--text-2); letter-spacing: 0; margin-bottom: 6px; }
.roles { font-size: clamp(20px, 2.6vw, 28px); margin-top: 18px; color: var(--text-2); }
.typed { color: var(--crimson-2); font-weight: 700; }
.caret { display: inline-block; width: 3px; height: 1.05em; background: var(--crimson-2); vertical-align: -3px; margin-inline-start: 4px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.tagline { margin-top: 22px; font-size: 18px; color: var(--text-2); max-width: 560px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.status { display: flex; align-items: center; gap: 10px; margin-top: 30px; font-size: 13px; color: var(--muted); }

.hero-photo { margin: 0; position: relative; justify-self: center; width: min(100%, 420px); }
.frame {
  position: relative; border-radius: 22px; overflow: hidden; aspect-ratio: 4 / 5;
  border: 1px solid var(--border-2); box-shadow: var(--shadow);
  background: var(--surface);
}
.frame::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, transparent 55%, color-mix(in srgb, var(--crimson) 35%, transparent));
  mix-blend-mode: multiply;
}
.frame img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; transition: transform 1.2s cubic-bezier(.2, .7, .2, 1); }
.hero-photo:hover .frame img { transform: scale(1.04); }
.hero-photo::before {
  content: ""; position: absolute; inset: -14px -14px auto auto; width: 110px; height: 110px;
  border-top: 2px solid var(--crimson); border-right: 2px solid var(--crimson); border-radius: 0 26px 0 0;
}
.hero-photo::after {
  content: ""; position: absolute; inset: auto auto -14px -14px; width: 110px; height: 110px;
  border-bottom: 2px solid var(--border-2); border-left: 2px solid var(--border-2); border-radius: 0 0 0 26px;
}
.hero-photo figcaption {
  position: absolute; left: 50%; bottom: -18px; translate: -50% 0; white-space: nowrap;
  background: var(--surface); border: 1px solid var(--border-2); border-radius: 10px; padding: 8px 14px; font-size: 12.5px;
  box-shadow: var(--shadow); z-index: 2;
}
.scroll-hint { position: absolute; bottom: 22px; inset-inline-start: 50%; translate: -50% 0; font-size: 12px; color: var(--muted); text-decoration: none; display: flex; flex-direction: column; align-items: center; gap: 4px; }
[dir="rtl"] .scroll-hint { translate: 50% 0; }
.scroll-hint span { animation: bob 2s ease-in-out infinite; }
@keyframes bob { 50% { transform: translateY(5px); } }

/* ---------- impact numbers ---------- */
.numbers { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.number {
  position: relative; text-align: start; padding: 26px 22px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border); cursor: pointer;
  transition: border-color .25s, transform .25s, background .25s;
  display: flex; flex-direction: column; gap: 8px;
}
.number:hover, .number.open { border-color: var(--crimson); transform: translateY(-4px); }
.number .n { font-size: clamp(34px, 3.6vw, 46px); font-weight: 700; color: var(--text); line-height: 1; direction: ltr; text-align: start; }
[dir="rtl"] .number .n { text-align: end; }
.number .n b { color: var(--crimson-2); font-weight: 700; }
.n-label { color: var(--text-2); font-size: 14.5px; line-height: 1.45; }
.story {
  position: absolute; inset-inline: 0; top: calc(100% + 10px); z-index: 5;
  background: var(--surface-2); border: 1px solid var(--border-2); border-radius: var(--radius-sm);
  padding: 14px 16px; font-size: 13.5px; line-height: 1.6; color: var(--text-2); box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transform: translateY(-6px); transition: all .22s;
}
.number:hover .story, .number:focus-visible .story, .number.open .story { opacity: 1; visibility: visible; transform: none; }

/* ---------- career DAG ---------- */
.dag { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); overflow: hidden; }
.dag-head { display: flex; flex-wrap: wrap; gap: 8px 26px; padding: 14px 20px; border-bottom: 1px solid var(--border); font-size: 12.5px; background: var(--bg-2); }
.dag-head .dim { margin-inline-end: 6px; }
.state { display: inline-flex; align-items: center; gap: 7px; padding: 2px 9px; border-radius: 999px; font-size: 11.5px; font-family: var(--mono); }
.state.running { color: var(--crimson-2); background: var(--crimson-soft); }
.state.success { color: var(--teal); background: color-mix(in srgb, var(--teal) 13%, transparent); }
.state.part { color: var(--amber); background: color-mix(in srgb, var(--amber) 13%, transparent); }

.gantt-scroll { overflow-x: auto; scrollbar-width: thin; }
.gantt { min-width: 780px; padding: 12px 20px 18px; }
.g-axis, .g-row { display: grid; grid-template-columns: 118px 1fr; align-items: center; }
.g-axis .g-track { height: 26px; }
.g-track { position: relative; height: 38px; }
.tick { position: absolute; top: 4px; font-size: 11px; color: var(--muted); translate: -50% 0; }
.gl { position: absolute; top: 0; bottom: 0; width: 1px; background: var(--border); opacity: .6; }
.g-name { font-size: 12px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; padding-inline-end: 10px; }
.g-row:hover .g-name, .g-row.sel .g-name { color: var(--text); }
.g-lane { display: flex; align-items: center; gap: 8px; font-size: 11px; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin: 14px 0 4px; }
html[lang="fa"] .g-lane { font-family: var(--font); letter-spacing: 0; font-size: 12.5px; }
.lane-dot { width: 10px; height: 10px; border-radius: 3px; background: var(--crimson); }
.lane-dot.teaching { background: var(--violet); }
.g-bar {
  position: absolute; top: 6px; bottom: 6px; min-width: 10px;
  border-radius: 7px; border: 1px solid transparent; cursor: pointer; padding: 0 10px;
  display: flex; align-items: center; overflow: hidden;
  font-size: 12.5px; font-weight: 600; color: #fff; text-align: left;
  transition: transform .2s, box-shadow .2s, filter .2s;
}
.g-bar span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.g-bar.industry { background: linear-gradient(90deg, color-mix(in srgb, var(--crimson) 75%, #000), var(--crimson)); }
.g-bar.teaching { background: linear-gradient(90deg, color-mix(in srgb, var(--violet) 70%, #000), var(--violet)); }
.g-bar.part {
  background: repeating-linear-gradient(135deg, color-mix(in srgb, var(--violet) 55%, transparent) 0 6px, color-mix(in srgb, var(--violet) 30%, transparent) 6px 12px);
  border-color: var(--violet); color: var(--text);
}
.g-bar.occasional {
  background: repeating-linear-gradient(90deg, color-mix(in srgb, var(--violet) 40%, transparent) 0 10px, transparent 10px 16px);
  border-style: dashed;
}
.g-bar.running::after {
  content: ""; position: absolute; inset-block: 0; inset-inline-end: 0; width: 40px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .35)); animation: shimmer 1.8s ease-in-out infinite;
}
@keyframes shimmer { 0%, 100% { opacity: .15; } 50% { opacity: .8; } }

.logs { border-top: 1px solid var(--border); background: var(--bg-2); }
.task-log { padding: 24px 24px 26px; animation: fadeUp .35s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(6px); } }
.log-head { font-size: 12.5px; color: var(--text-2); display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 14px; }
.task-log h3 { font-size: 22px; font-weight: 700; }
.task-log .at { color: var(--crimson-2); font-weight: 600; }
.period { font-size: 12.5px; color: var(--muted); margin-top: 4px; }
.log-lines { list-style: none; padding: 0; margin: 16px 0 18px; display: grid; gap: 10px; }
.log-lines li { display: grid; grid-template-columns: auto 1fr; gap: 12px; color: var(--text-2); font-size: 15px; }
.lvl { font-size: 10.5px; color: var(--teal); padding-top: 4px; }

.edu { margin-top: 40px; }
.edu-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.edu-card { display: flex; flex-direction: column; gap: 3px; padding: 18px 20px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.edu-card span:last-child { color: var(--text-2); font-size: 14.5px; }

/* ---------- projects ---------- */
.projects { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.project { grid-column: span var(--span, 2); }
.card {
  display: flex; flex-direction: column; gap: 14px; padding: 24px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border); transition: border-color .25s, transform .25s, box-shadow .25s;
}
.card:hover { border-color: var(--border-2); transform: translateY(-4px); box-shadow: var(--shadow); }
.project.hide { display: none; }
.project.open { grid-column: span 2; border-color: var(--crimson); }
.card-top { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--muted); }
.cat { width: 8px; height: 8px; border-radius: 2px; background: var(--crimson); }
.cat.ai { background: var(--violet); }
.cat.ops { background: var(--amber); }
.card h3 { font-size: 20px; font-weight: 700; }
.flow { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 11.5px; }
.flow span { padding: 4px 8px; border: 1px dashed var(--border-2); border-radius: 6px; color: var(--text-2); }
.flow i { position: relative; width: 16px; height: 1px; background: var(--muted); }
.flow i::after { content: ""; position: absolute; right: -1px; top: -3px; border: 3.5px solid transparent; border-left: 5px solid var(--muted); border-right: 0; }
.card:hover .flow span:last-child { border-color: var(--crimson); color: var(--crimson-2); }
.impact { color: var(--text-2); font-size: 15px; }
.impact b { color: var(--text); }
.case { display: grid; gap: 6px; padding: 16px 0 4px; border-top: 1px dashed var(--border-2); }
.case h4 { font-size: 11.5px; color: var(--crimson-2); text-transform: uppercase; letter-spacing: .08em; margin-top: 6px; }
html[lang="fa"] .case h4 { text-transform: none; letter-spacing: 0; font-family: var(--font); font-size: 13px; }
.case p { color: var(--text-2); font-size: 15px; }
.card-foot { margin-top: auto; display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; }

/* ---------- skills ---------- */
.skills { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.skill-group { padding: 22px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.skill-list { display: flex; flex-wrap: wrap; gap: 8px; }
.skill {
  padding: 7px 13px; border-radius: 9px; font-size: 14px; font-weight: 500; cursor: default;
  background: var(--surface-2); border: 1px solid var(--border); transition: all .2s; direction: ltr;
}
.skill.prior { color: var(--muted); border-style: dashed; }
.skill:hover, .skill:focus-visible { border-color: var(--crimson); color: var(--text); background: var(--crimson-soft); }
.skill.dim-out { opacity: .22; }
.used-in { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 22px; font-size: 13px; min-height: 36px; }
.where { padding: 5px 11px; border-radius: 8px; border: 1px solid var(--border); color: var(--muted); transition: all .2s; font-size: 13px; }
.where small { opacity: .7; margin-inline-start: 4px; }
.where.lit { color: var(--text); border-color: var(--crimson); background: var(--crimson-soft); }

/* ---------- teaching ---------- */
.teaching { background: linear-gradient(180deg, transparent, var(--crimson-soft) 45%, transparent); }
.teach-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; margin-top: 12px; }
.huge { font-size: clamp(40px, 6.4vw, 78px); font-weight: 800; letter-spacing: -.035em; line-height: 1.02; }
html[lang="fa"] .huge { letter-spacing: 0; line-height: 1.3; }
.teaching .huge { background: linear-gradient(100deg, var(--text) 40%, var(--crimson-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.teach-intro { margin-top: 26px; font-size: 18px; color: var(--text-2); max-width: 620px; }
.teach-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 34px; }
.teach-stats div { display: flex; flex-direction: column; gap: 4px; padding-inline-start: 14px; border-inline-start: 2px solid var(--crimson); }
.teach-stats b { font-size: 28px; color: var(--text); }
.teach-stats span { font-size: 13.5px; color: var(--text-2); line-height: 1.45; }
.t-line { list-style: none; padding: 0; margin: 0; position: relative; }
.t-line::before { content: ""; position: absolute; inset-block: 8px; inset-inline-start: 5px; width: 2px; background: linear-gradient(var(--violet), var(--crimson)); opacity: .6; }
.t-line li { position: relative; padding-inline-start: 30px; padding-bottom: 20px; color: var(--text-2); font-size: 15px; }
.t-line li::before { content: ""; position: absolute; inset-inline-start: 0; top: 7px; width: 12px; height: 12px; border-radius: 50%; background: var(--bg); border: 2px solid var(--violet); }
.t-line li.live::before { background: var(--crimson-2); border-color: var(--crimson-2); animation: pulse 2s infinite; }
.t-line li span { display: block; font-size: 12.5px; color: var(--muted); }
.yt {
  display: flex; gap: 16px; align-items: flex-start; margin: 8px 0 16px; padding: 20px 22px; text-decoration: none;
  border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border-2); transition: border-color .25s, transform .25s;
}
.yt:hover { border-color: var(--crimson); transform: translateY(-3px); }
.yt-play { flex: none; display: grid; place-items: center; width: 46px; height: 46px; border-radius: 12px; background: var(--crimson); color: #fff; }
.yt-body { display: grid; gap: 4px; font-size: 14.5px; color: var(--text-2); }
.yt-body strong { color: var(--text); font-size: 16.5px; display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline; }
.yt-body strong .mono { font-size: 12px; font-weight: 400; }
.yt-cta { color: var(--crimson-2); font-weight: 600; margin-top: 4px; }
.offer { margin-top: 8px; padding: 22px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--crimson); box-shadow: 0 20px 50px -30px var(--crimson); }
.offer-title { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; }
.offer ul { margin: 14px 0 20px; padding-inline-start: 20px; color: var(--text-2); font-size: 15px; display: grid; gap: 4px; }
.offer ul li::marker { color: var(--crimson-2); }

/* ---------- gallery ---------- */
.gallery { columns: 3 280px; column-gap: 14px; }
.ph { display: block; width: 100%; margin: 0 0 14px; padding: 0; border: 0; border-radius: 12px; overflow: hidden; cursor: zoom-in; background: var(--surface); break-inside: avoid; position: relative; }
.ph img { width: 100%; height: auto; transition: transform .6s cubic-bezier(.2, .7, .2, 1), filter .4s; }
.ph:hover img { transform: scale(1.04); filter: saturate(1.1); }
.ph.hide { display: none; }
.ph-cap {
  position: absolute; inset: auto 0 0 0; display: flex; justify-content: space-between; align-items: flex-end; gap: 10px;
  padding: 36px 14px 12px; color: #fff; font-size: 13.5px; text-align: start;
  background: linear-gradient(transparent, rgba(0, 0, 0, .72));
  opacity: 0; transform: translateY(6px); transition: opacity .3s, transform .3s;
}
.ph-cap .mono { font-size: 11.5px; opacity: .8; margin-inline-start: auto; }
.ph:hover .ph-cap, .ph:focus-visible .ph-cap { opacity: 1; transform: none; }
@media (hover: none) { .ph-cap { opacity: 1; transform: none; } }
.empty {
  display: grid; place-items: center; gap: 14px; text-align: center; padding: 64px 20px;
  border: 1.5px dashed var(--border-2); border-radius: var(--radius); color: var(--muted);
}
.empty.small { padding: 40px 20px; }

.lightbox { position: fixed; inset: 0; z-index: 90; display: grid; grid-template-columns: 60px 1fr 60px; align-items: center; background: rgba(5, 6, 9, .94); backdrop-filter: blur(6px); }
.lightbox[hidden] { display: none; }
.lightbox figure { margin: 0; display: grid; justify-items: center; gap: 12px; max-height: 100svh; padding: 20px 0; }
.lightbox img { max-width: 100%; max-height: calc(100svh - 110px); object-fit: contain; border-radius: 8px; }
.lightbox figcaption { color: #b4b8c5; font-size: 12.5px; text-align: center; }
.lightbox .icon-btn { color: #fff; border-color: #444; justify-self: center; font-size: 20px; background: rgba(0, 0, 0, .4); }
.lb-close { position: absolute; top: 16px; inset-inline-end: 16px; }

/* ---------- diary ---------- */
.diary { display: grid; grid-template-columns: 300px 1fr; gap: 18px; align-items: start; }
.channel { position: sticky; top: 88px; display: grid; gap: 14px; padding: 24px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.channel > div:not(.avatar) { display: flex; flex-direction: column; gap: 2px; }
.channel strong { font-size: 19px; }
.channel p { color: var(--text-2); font-size: 14.5px; white-space: pre-line; }
.avatar { line-height: 1; width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; color: #fff; background: radial-gradient(circle at 30% 30%, var(--crimson), var(--crimson-deep)); box-shadow: 0 10px 30px -10px var(--crimson); }
.posts { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.post { display: flex; flex-direction: column; gap: 12px; padding: 16px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); text-decoration: none; transition: border-color .25s, transform .25s; }
.post:hover { border-color: var(--crimson); transform: translateY(-3px); }
.post img { border-radius: 9px; aspect-ratio: 16 / 10; object-fit: cover; width: 100%; }
.post p { color: var(--text-2); font-size: 14.5px; white-space: pre-line; display: -webkit-box; -webkit-line-clamp: 6; -webkit-box-orient: vertical; overflow: hidden; }
.post-meta { margin-top: auto; display: flex; justify-content: space-between; font-size: 11.5px; color: var(--muted); }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 24px; align-items: start; }
.intents { display: grid; gap: 10px; }
.intent {
  text-align: start; padding: 16px 20px; border-radius: var(--radius); cursor: pointer;
  border: 1px solid var(--border); background: var(--surface); font-weight: 600; font-size: 16px;
  display: flex; justify-content: space-between; align-items: center; transition: all .2s;
}
.intent::after { content: "→"; color: var(--muted); transition: transform .2s; }
[dir="rtl"] .intent::after { content: "←"; }
.intent:hover { border-color: var(--border-2); }
.intent:hover::after { transform: translateX(4px); }
[dir="rtl"] .intent:hover::after { transform: translateX(-4px); }
.intent.on { border-color: var(--crimson); background: var(--crimson-soft); }
.intent.on::after { color: var(--crimson-2); }
.composer { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); overflow: hidden; box-shadow: var(--shadow); }
.field { display: flex; gap: 8px; align-items: center; padding: 12px 18px; border-bottom: 1px solid var(--border); font-size: 13.5px; margin: 0; }
.field input { flex: 1; min-width: 0; background: transparent; border: 0; color: var(--text); font: 500 14px var(--font); outline: none; }
.composer textarea { display: block; width: 100%; resize: vertical; min-height: 150px; padding: 16px 18px; background: transparent; border: 0; color: var(--text); font: 15px/1.7 var(--font); outline: none; }
.composer-actions { display: flex; flex-wrap: wrap; gap: 10px; padding: 14px 18px; border-top: 1px solid var(--border); background: var(--bg-2); }
.socials { display: flex; flex-wrap: wrap; gap: 10px 28px; margin-top: 40px; font-weight: 600; }
.socials a { text-decoration: none; color: var(--text-2); border-bottom: 1px solid var(--border-2); padding-bottom: 2px; transition: color .2s, border-color .2s; }
.socials a:hover { color: var(--crimson-2); border-color: var(--crimson-2); }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 28px 0 40px; font-size: 12.5px; }
.foot-in { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px; }
html[lang="fa"] .foot-in { font-family: var(--font); }


/* ==========================================================================
   Motion & interaction layer
   ========================================================================== */

/* ---------- career: DAG run, edges, data packets, tooltip ---------- */
.gantt { position: relative; }
.g-edges { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; overflow: visible; }
.g-edges path { fill: none; stroke-width: 1.5; stroke-dasharray: 4 5; opacity: 0; transition: opacity .5s; animation: edgeflow .9s linear infinite; }
.g-edges path.industry { stroke: color-mix(in srgb, var(--crimson-2) 60%, transparent); }
.g-edges path.teaching { stroke: color-mix(in srgb, var(--violet) 60%, transparent); }
.g-edges path.on { opacity: 1; }
@keyframes edgeflow { to { stroke-dashoffset: -18; } }
.g-row { position: relative; }
.g-bar { will-change: transform; transition: clip-path .75s cubic-bezier(.2, .8, .2, 1), filter .2s, box-shadow .25s; }
.js .dag.pending .g-bar { clip-path: inset(-12px 100% -12px 0 round 7px); }
.js .dag .g-bar.done { clip-path: inset(-12px -12px -12px -320px round 7px); }
.g-bar::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .28;
  background: radial-gradient(circle, rgba(255, 255, 255, .8) 1.1px, transparent 1.7px) 0 50% / 16px 100% repeat-x;
  animation: packets 1.6s linear infinite;
}
.g-bar:hover::before, .g-bar:has([aria-pressed="true"])::before { opacity: .75; animation-duration: .55s; }
@keyframes packets { to { background-position: 16px 50%; } }
.g-bar.flash { animation: barflash .7s ease-out; }
@keyframes barflash { from { box-shadow: 0 0 0 0 color-mix(in srgb, var(--crimson-2) 85%, transparent); } to { box-shadow: 0 0 0 14px transparent; } }
.spark { position: absolute; width: 6px; height: 6px; margin: -3px 0 0 -3px; border-radius: 50%; background: var(--crimson-2); pointer-events: none; z-index: 5; animation: spark .7s cubic-bezier(.2, .8, .3, 1) forwards; }
.spark.teaching { background: var(--violet); }
@keyframes spark { to { transform: translate(var(--dx), var(--dy)) scale(0); opacity: 0; } }
.g-tip {
  position: fixed; z-index: 70; pointer-events: none; display: grid; gap: 2px; max-width: 300px;
  padding: 10px 13px; border-radius: 10px; background: var(--surface-2); border: 1px solid var(--border-2); box-shadow: var(--shadow); font-size: 13.5px;
}
.g-tip span { font-size: 11.5px; color: var(--muted); }
.g-tip small { font-size: 11.5px; color: var(--crimson-2); }
.replay { margin-inline-start: auto; background: none; border: 1px solid var(--border-2); border-radius: 999px; padding: 2px 11px; font: inherit; font-size: 11.5px; color: var(--text-2); cursor: pointer; transition: border-color .2s, color .2s; }
.replay:hover { border-color: var(--crimson); color: var(--crimson-2); }
.task-log:not([hidden]) .log-lines li { animation: logIn .45s both; animation-delay: calc(var(--i) * 110ms + 60ms); }
@keyframes logIn { from { opacity: 0; transform: translateX(-10px); } }
[dir="rtl"] .task-log:not([hidden]) .log-lines li { animation-name: logInRtl; }
@keyframes logInRtl { from { opacity: 0; transform: translateX(10px); } }

/* ---------- selected work: tilt, spotlight, flowing steps, agent run ---------- */
.project { position: relative; overflow: hidden; padding: 0; transition: transform .55s cubic-bezier(.2, .8, .2, 1), border-color .25s, box-shadow .25s, opacity .7s ease var(--d, 0ms); }
.project.tilting { transition: transform .1s linear, border-color .25s, box-shadow .25s; }
.card-glow {
  position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .35s;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), color-mix(in srgb, var(--crimson) 24%, transparent), transparent 50%);
}
.project:hover .card-glow { opacity: 1; }
.card-main { position: relative; flex: 1; display: flex; flex-direction: column; gap: 14px; padding: 24px; }
.badge { margin-inline-start: auto; font-size: 10.5px; padding: 2px 9px; border-radius: 999px; letter-spacing: .06em; text-transform: uppercase; background: color-mix(in srgb, var(--violet) 18%, transparent); color: var(--violet); }
.project.featured { grid-column: 1 / -1; display: grid; grid-template-columns: 1.1fr .9fr; border-color: color-mix(in srgb, var(--violet) 40%, var(--border)); }
.project.featured h3 { font-size: 24px; }
.project.featured .case { border-top: 0; padding-top: 0; }
.flow span { transition: border-color .3s, color .3s, background .3s; }
.project:hover .flow span { animation: stepOn 2.6s infinite; animation-delay: calc(var(--i) * .38s); }
@keyframes stepOn {
  0%, 100% { border-color: var(--border-2); color: var(--text-2); background: transparent; }
  12%, 28% { border-color: var(--crimson-2); color: var(--text); background: var(--crimson-soft); }
}
.flow i::before { content: ""; position: absolute; top: -2px; left: 0; width: 5px; height: 5px; border-radius: 50%; background: var(--crimson-2); opacity: 0; }
.project:hover .flow i::before { animation: hop 2.6s infinite; animation-delay: calc(var(--i) * .38s + .2s); }
@keyframes hop { 0% { left: 0; opacity: 1; } 12% { left: 12px; opacity: 1; } 13%, 100% { opacity: 0; } }

.agent-run { position: relative; margin: 18px; margin-inline-start: 0; display: flex; flex-direction: column; border-radius: 12px; background: #07080b; border: 1px solid #1f2330; color: #e8e9ee; font-size: 12.5px; overflow: hidden; }
.ar-head { display: flex; gap: 12px; align-items: center; padding: 11px 14px; border-bottom: 1px solid #1f2330; color: #b4b8c5; }
.ar-dots { display: flex; gap: 5px; }
.ar-dots i { width: 9px; height: 9px; border-radius: 50%; background: #2a2f3d; }
.ar-dots i:first-child { background: var(--crimson); }
.agent-run .ar-steps { list-style: none; margin: 0; padding: 16px 14px; display: grid; gap: 12px; flex: 1; align-content: center; }
.ar-steps li { display: grid; grid-template-columns: 16px 1fr auto; gap: 10px; align-items: center; opacity: .25; transition: opacity .3s; }
.ar-steps li.run, .ar-steps li.ok { opacity: 1; }
.ar-st { width: 12px; height: 12px; border-radius: 50%; border: 2px solid #3a4052; }
.ar-steps li.run .ar-st { border-color: var(--crimson-2); border-top-color: transparent; animation: spin .7s linear infinite; }
.ar-steps li.ok .ar-st { border-color: #3ecf8e; background: #3ecf8e; box-shadow: inset 0 0 0 2px #07080b; }
.ar-out { color: #7d8395; opacity: 0; transition: opacity .3s; white-space: nowrap; }
.ar-steps li.ok .ar-out { opacity: 1; color: #3ecf8e; }
.ar-foot { padding: 0 14px 12px; font-size: 11px; color: #7d8395; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- stack: logos, idle bobbing, puzzle shuffle ---------- */
.skill {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 13px 8px 11px; border-radius: 11px;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text); font-size: 14px; font-weight: 500; cursor: default; direction: ltr;
  animation: bob var(--bob, 3s) ease-in-out var(--delay, 0s) infinite alternate;
  transition: border-color .2s, background .2s, box-shadow .2s, scale .2s;
}
@keyframes bob { from { translate: 0 -2px; rotate: -1.4deg; } to { translate: 0 2px; rotate: 1.4deg; } }
.skill .ico { width: 17px; height: 17px; flex: none; color: var(--c); }
[data-theme="light"] .skill .ico { color: var(--cl); }
.skill:hover, .skill:focus-visible {
  --hc: var(--c); border-color: var(--hc); background: color-mix(in srgb, var(--hc) 14%, var(--surface-2));
  box-shadow: 0 10px 26px -12px var(--hc); scale: 1.1; animation-play-state: paused; z-index: 2; color: var(--text);
}
[data-theme="light"] .skill:hover, [data-theme="light"] .skill:focus-visible { --hc: var(--cl); }
.skill.moving { z-index: 3; }
.skill-list { position: relative; }
.mini-title .count { display: inline-grid; place-items: center; min-width: 20px; height: 18px; padding: 0 5px; margin-inline-start: 6px; border-radius: 6px; background: var(--surface-2); color: var(--text-2); font-size: 10.5px; }

/* ---------- lens: slideshow ---------- */
.lens-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 24px; }
.lens-bar .filters { margin: 0; }
#slideshow { margin-inline-start: auto; }
.lightbox {
  grid-template-columns: 64px 1fr 64px; grid-template-rows: auto 2px 1fr auto;
  grid-template-areas: "top top top" "bar bar bar" "prev stage next" "thumbs thumbs thumbs";
}
.lb-top { grid-area: top; display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; color: #b4b8c5; font-size: 13px; }
.lb-actions { display: flex; gap: 8px; }
.lightbox .lb-close { position: static; }
.lb-progress { grid-area: bar; height: 2px; background: rgba(255, 255, 255, .08); }
.lb-progress span { display: block; height: 100%; width: 0; background: var(--crimson-2); }
.lightbox.playing .lb-progress span { animation: lbprog var(--slide, 4.5s) linear forwards; }
@keyframes lbprog { to { width: 100%; } }
.lb-prev { grid-area: prev; }
.lb-next { grid-area: next; }
.lightbox .lb-stage { grid-area: stage; min-height: 0; height: 100%; padding: 12px 0; align-content: center; overflow: hidden; }
.lightbox .lb-img { max-height: calc(100svh - 190px); transition: opacity .35s, transform .35s; }
.lightbox .lb-img.swap { opacity: 0; transform: scale(.985); }
.lightbox.playing .lb-img:not(.swap) { animation: kenburns var(--slide, 4.5s) ease-out forwards; }
@keyframes kenburns { from { transform: scale(1); } to { transform: scale(1.05); } }
.lb-thumbs { grid-area: thumbs; display: flex; gap: 8px; overflow-x: auto; padding: 8px 18px 18px; justify-content: safe center; scrollbar-width: none; }
.lb-thumbs button { flex: none; width: 64px; height: 46px; padding: 0; border: 2px solid transparent; border-radius: 7px; overflow: hidden; opacity: .45; cursor: pointer; background: #111; transition: opacity .2s, border-color .2s; }
.lightbox .lb-thumbs img { width: 100%; height: 100%; max-height: none; object-fit: cover; border-radius: 0; }
.lb-thumbs button:hover { opacity: .85; }
.lb-thumbs button.on { opacity: 1; border-color: var(--crimson-2); }
.lightbox .i-pause { display: none; }
.lightbox.playing .i-pause { display: block; }
.lightbox.playing .i-play { display: none; }


/* ---------- impact: tilt glow + mini charts ---------- */
.number {
  background: radial-gradient(240px circle at var(--mx, -40%) var(--my, -40%), color-mix(in srgb, var(--crimson) 22%, transparent), transparent 60%), var(--surface);
}
.number.tilting { transition: transform .1s linear, border-color .25s; }
.viz { display: block; margin-top: auto; padding-top: 10px; width: 100%; height: 40px; }
.viz i { font-style: normal; }
.viz-before_after { display: grid; gap: 6px; align-content: end; }
.ba-row { display: grid; grid-template-columns: 1fr 30px; gap: 8px; align-items: center; }
.ba-row i { font-size: 10px; color: var(--muted); text-align: end; }
.ba-bar { position: relative; height: 7px; border-radius: 4px; background: var(--surface-2); overflow: hidden; }
.ba-bar::after { content: ""; position: absolute; inset: 0; border-radius: inherit; transform-origin: left; }
.ba-bar.before::after { background: var(--muted); opacity: .55; }
.ba-bar.after::after { background: var(--crimson-2); }
.number.in .ba-bar.after::after { animation: shrink 5.5s cubic-bezier(.6, 0, .2, 1) .6s infinite; }
@keyframes shrink { 0% { transform: scaleX(1); } 30%, 88% { transform: scaleX(.07); } 100% { transform: scaleX(1); } }
.viz-dots { display: grid; grid-template-columns: repeat(12, 1fr); gap: 4px; align-content: end; }
.viz-dots i { aspect-ratio: 1; max-width: 7px; border-radius: 50%; background: var(--border-2); }
.number.in .viz-dots i { animation: twinkle 3s ease-in-out var(--k) infinite; }
@keyframes twinkle { 0%, 100% { background: var(--border-2); } 45%, 55% { background: var(--crimson-2); } }
.viz-merge { display: flex; gap: 8px; align-items: flex-end; padding-bottom: 6px; }
.pair { position: relative; flex: 1; height: 9px; max-width: 28px; }
.pair i { position: absolute; top: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--muted); }
.pair i:first-child { left: 0; }
.pair i:last-child { right: 0; }
.number.in .pair i:first-child { animation: m1 3s ease-in-out var(--k) infinite; }
.number.in .pair i:last-child { animation: m2 3s ease-in-out var(--k) infinite; }
@keyframes m1 { 0%, 10% { left: 0; background: var(--muted); } 45%, 90% { left: calc(50% - 4.5px); background: var(--crimson-2); } 100% { left: 0; background: var(--muted); } }
@keyframes m2 { 0%, 10% { right: 0; opacity: 1; } 45% { right: calc(50% - 4.5px); opacity: 1; } 55%, 90% { right: calc(50% - 4.5px); opacity: 0; } 100% { right: 0; opacity: 0; } }
.viz-line svg { display: block; width: 100%; height: 100%; overflow: visible; }
.viz-line .ln { fill: none; stroke: var(--crimson-2); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 100; stroke-dashoffset: 100; }
.viz-line .area { fill: var(--crimson-soft); opacity: 0; }
.viz-line .tip { fill: var(--crimson-2); opacity: 0; }
.number.in .viz-line .ln { animation: draw 5s ease-out .4s infinite; }
.number.in .viz-line .area { animation: areaIn 5s ease-out .4s infinite; }
.number.in .viz-line .tip { animation: tipIn 5s ease-out .4s infinite; }
@keyframes draw { 0% { stroke-dashoffset: 100; } 45%, 90% { stroke-dashoffset: 0; } 100% { stroke-dashoffset: 0; opacity: 0; } }
@keyframes areaIn { 0%, 30% { opacity: 0; } 50%, 90% { opacity: 1; } 100% { opacity: 0; } }
@keyframes tipIn { 0%, 42% { opacity: 0; r: 2; } 50% { opacity: 1; r: 4.5; } 58%, 90% { opacity: 1; r: 3; } 100% { opacity: 0; } }
.viz-years { display: flex; gap: 3px; align-items: flex-start; padding-top: 16px; }
.viz-years i { position: relative; flex: 1; height: 8px; border-radius: 2px; background: var(--surface-2); border: 1px solid var(--border); }
.viz-years b { position: absolute; top: 11px; left: 0; font-size: 9.5px; font-weight: 400; color: var(--muted); white-space: nowrap; }
.viz-years i:last-child b { left: auto; right: 0; }
.number.in .viz-years i { animation: yfill 4.5s ease var(--k) infinite; }
@keyframes yfill { 0%, 5% { background: var(--surface-2); } 18%, 80% { background: var(--crimson); border-color: var(--crimson); } 100% { background: var(--surface-2); } }

/* ---------- featured demo: ad-locator mini screen ---------- */
.ar-screen { display: grid; grid-template-columns: 70px 1fr 116px; gap: 10px; height: 158px; padding: 12px 14px; border-bottom: 1px solid #1f2330; font-size: 9px; }
.scr-card { display: flex; flex-direction: column; gap: 3px; padding: 4px; border-radius: 5px; background: #141822; border: 1px solid #1f2430; transition: box-shadow .3s, border-color .3s, transform .3s; }
.scr-card .img { display: block; height: 20px; border-radius: 3px; background: #232838; }
.scr-card .l1, .scr-card .l2 { display: block; height: 3px; border-radius: 2px; background: #2c3242; }
.scr-card .l1 { width: 85%; }
.scr-card .l2 { width: 50%; }
.scr-ad { display: flex; flex-direction: column; gap: 6px; }
.scr-label { color: #7d8395; }
.scr-card.mine { opacity: 0; transform: scale(.8); transition: opacity .4s, transform .4s; border-color: #e14d77; }
.scr-card.mine .img, .scr-card.target .img { background: linear-gradient(135deg, #a3123f, #6e0b2a); }
.agent-run.st-1 .scr-card.mine { opacity: 1; transform: none; }
.scr-phone { display: flex; flex-direction: column; min-width: 0; border: 1px solid #252a38; border-radius: 8px; overflow: hidden; background: #0b0d12; }
.scr-search { display: flex; align-items: center; gap: 3px; height: 22px; padding: 0 6px; background: #11141c; border-bottom: 1px solid #1f2430; }
.scr-search .kw { padding: 1px 5px; border-radius: 3px; background: rgba(163, 18, 63, .28); color: #ff8aa8; opacity: 0; transform: translateY(-5px); transition: opacity .3s, transform .3s; }
.agent-run.st-2 .kw { opacity: 1; transform: none; }
.agent-run.st-2 .kw:nth-child(2) { transition-delay: .15s; }
.agent-run.st-2 .kw:nth-child(3) { transition-delay: .3s; }
.scr-search .caret { width: 1px; height: 10px; background: #b4b8c5; animation: blink 1s steps(1) infinite; }
.scr-window { position: relative; flex: 1; overflow: hidden; }
.scr-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; padding: 5px; transition: transform 1.2s cubic-bezier(.5, 0, .2, 1); }
.scr-grid .scr-card { height: 38px; }
.agent-run.st-3 .scr-grid { transform: translateY(-78px); }
.agent-run.st-3:not(.st-4) .scr-grid .scr-card:not(.target) { animation: shimmer 1s ease-in-out infinite; }
.agent-run.st-4 .scr-card.target { border-color: #e14d77; box-shadow: 0 0 0 2px rgba(225, 77, 119, .45), 0 0 18px rgba(225, 77, 119, .5); transform: scale(1.06); }
.scr-flash { position: absolute; inset: 0; background: #fff; opacity: 0; pointer-events: none; }
.agent-run.st-4 .scr-flash { animation: flash .5s ease-out; }
@keyframes flash { 0% { opacity: .8; } 100% { opacity: 0; } }
.scr-chat { display: flex; flex-direction: column; justify-content: flex-end; gap: 6px; }
.bubble { padding: 5px 7px; border-radius: 9px; line-height: 1.35; }
.bubble.q { align-self: flex-start; background: #1a1f2c; color: #b4b8c5; border-bottom-left-radius: 2px; }
.bubble.a { display: grid; gap: 3px; align-self: flex-end; background: #1d1330; border: 1px solid rgba(139, 124, 255, .35); border-bottom-right-radius: 2px; opacity: 0; transform: translateY(8px) scale(.95); transition: opacity .4s, transform .4s; }
.bubble .thumb { display: block; height: 30px; border-radius: 4px; background: linear-gradient(135deg, #a3123f, #6e0b2a); box-shadow: inset 0 0 0 2px rgba(225, 77, 119, .8); }
.bubble .lnk { color: #a99dff; }
.bubble .ok { color: #3ecf8e; }
.agent-run.st-5 .bubble.a { opacity: 1; transform: none; }

/* ---------- featured demo: restaurant map ---------- */
.ar-map { position: relative; padding: 12px 14px 0; }
.ar-map svg { display: block; width: 100%; height: auto; border-radius: 10px; }
.ar-map .land { fill: #0e1118; }
.ar-map .water { fill: #122338; }
.ar-map .park { fill: #12231a; }
.ar-map .streets path { fill: none; stroke: #1c212d; stroke-width: 7; stroke-linecap: round; }
.ar-map .streets .minor { stroke-width: 3; }
.ar-map .radius { fill: rgba(225, 77, 119, .07); stroke: #e14d77; stroke-width: 1.2; stroke-dasharray: 4 5; opacity: 0; transform: scale(.4); transform-box: fill-box; transform-origin: center; transition: opacity .6s, transform .8s cubic-bezier(.2, .8, .2, 1); }
.agent-run.st-1 .radius { opacity: 1; transform: none; }
.ar-map .links path { fill: none; stroke-width: 1.6; stroke-dasharray: 4 4; opacity: 0; transition: opacity .5s var(--k); animation: edgeflow .9s linear infinite; }
.ar-map .cf { stroke: #8b7cff; }
.ar-map .liked { stroke: #e14d77; }
.agent-run.st-2 .links path { opacity: .9; }
.ar-map .person { opacity: .2; transition: opacity .5s var(--k); }
.ar-map .person circle:first-child { fill: #1a1f2c; stroke: #8b7cff; stroke-width: 1.5; }
.ar-map .person .head { fill: #8b7cff; }
.ar-map .person .body { fill: none; stroke: #8b7cff; stroke-width: 1.6; }
.agent-run.st-2 .person { opacity: 1; }
.ar-map .pin { transition: opacity .4s, transform .5s cubic-bezier(.3, 1.6, .5, 1); transform-box: fill-box; transform-origin: 50% 100%; }
.ar-map .pin path { fill: #3a4052; transition: fill .4s; }
.ar-map .pin .dot { fill: #0e1118; }
.ar-map .pin .glow { fill: #e14d77; opacity: 0; }
.agent-run.st-3 .pin.match path { fill: #c2567a; }
.agent-run.st-3 .pin.match .glow { animation: pinGlow 1.4s ease-in-out infinite; }
@keyframes pinGlow { 0%, 100% { opacity: 0; } 50% { opacity: .28; } }
.agent-run.st-4 .pin:not(.top) { opacity: .3; }
.agent-run.st-4 .pin.top { transform: scale(1.3); }
.agent-run.st-4 .pin.top path { fill: #e14d77; }
.ar-map .badge { opacity: 0; transition: opacity .3s; }
.ar-map .badge circle { fill: #3ecf8e; }
.ar-map .badge text { fill: #07080b; font: 700 9px var(--mono); }
.agent-run.st-4 .badge { opacity: 1; }
.agent-run.st-4 .t2 .badge { transition-delay: .2s; }
.agent-run.st-4 .t3 .badge { transition-delay: .4s; }
.ar-map .me .core { fill: #e14d77; stroke: #fff; stroke-width: 2; }
.ar-map .me .ring { fill: #fff; }
.ar-map .me .pulse { fill: #e14d77; transform-box: fill-box; transform-origin: center; animation: mePulse 2s ease-out infinite; }
@keyframes mePulse { from { transform: scale(1); opacity: .6; } to { transform: scale(4); opacity: 0; } }
.ar-map .rank { position: absolute; top: 20px; right: 22px; list-style: none; margin: 0; padding: 6px 8px; display: grid; gap: 3px; border-radius: 8px; background: rgba(7, 8, 11, .86); border: 1px solid #1f2330; font-size: 10.5px; }
.ar-map .rank li { display: flex; gap: 6px; align-items: center; opacity: 0; transform: translateX(6px); transition: opacity .35s, transform .35s; }
.ar-map .rank li:nth-child(2) { transition-delay: .2s; }
.ar-map .rank li:nth-child(3) { transition-delay: .4s; }
.ar-map .rank b { color: #e14d77; }
.ar-map .rank span { margin-inline-start: auto; padding-inline-start: 10px; color: #3ecf8e; }
.ar-map .rank { opacity: 0; transition: opacity .3s; }
.agent-run.st-4 .rank { opacity: 1; }
.agent-run.st-4 .rank li { opacity: 1; transform: none; }
.agent-run.viz-map .ar-rank-hide { display: none; }

/* ---------- telegram / youtube brand marks ---------- */
.avatar { position: relative; }
.avatar picture, .avatar img { display: block; width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.tg-badge { position: absolute; right: -4px; bottom: -4px; display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: #26a5e4; color: #fff; border: 3px solid var(--surface); }
.tg-badge svg { width: 13px; height: 13px; }
.tg-ico { display: inline-grid; }
.channel .btn.primary { background: #26a5e4; border-color: #26a5e4; box-shadow: 0 10px 30px -12px #26a5e4; justify-content: center; }
.channel .btn.primary:hover { background: #3cb4ee; border-color: #3cb4ee; }
.yt-play { background: #ff0033; }
.s-ico { display: inline-grid; vertical-align: -3px; margin-inline-end: 6px; }
.s-ico svg { width: 15px; height: 15px; }


/* ---------- career v2: company bars split into role segments, teaching cloud, balloon ---------- */
.g-bar { overflow: visible; padding: 0; display: block; cursor: default; }
.g-label {
  position: absolute; right: calc(100% + 8px); top: 50%; translate: 0 -50%; pointer-events: none;
  font-size: 12px; font-weight: 600; color: var(--text-2); white-space: nowrap;
}
.seg {
  position: absolute; top: 0; bottom: 0; display: flex; align-items: center; padding: 0 8px; min-width: 0;
  border: 0; border-radius: 0; color: #fff; font: 600 11.5px var(--font); cursor: pointer;
  background: rgba(255, 255, 255, calc(var(--i, 0) * .12)); transition: background .2s, box-shadow .2s;
}
.seg + .seg { box-shadow: inset 2px 0 0 color-mix(in srgb, var(--bg) 85%, transparent); }
.seg:first-of-type { border-radius: 7px 0 0 7px; }
.seg:last-of-type { border-radius: 0 7px 7px 0; }
.seg:only-of-type { border-radius: 7px; }
.seg span { position: relative; z-index: 1; white-space: nowrap; overflow: hidden; text-overflow: clip; }
.seg.tight span { visibility: hidden; }
.seg:hover { background: rgba(255, 255, 255, calc(var(--i, 0) * .12 + .14)); }
.g-bar.part .seg { color: var(--text); }
.seg[aria-pressed="true"] { box-shadow: inset 0 0 0 2px #fff; }
.seg.lit { box-shadow: inset 0 0 0 2px var(--crimson-2); background: rgba(255, 255, 255, .2); }

/* teaching TaskGroup (Airflow-style group box) */
.g-row-group .g-track { height: 112px; }
.g-group {
  position: absolute; top: 8px; bottom: 8px; display: flex; flex-direction: column; border-radius: 10px; overflow: hidden;
  background: linear-gradient(180deg, color-mix(in srgb, var(--violet) 16%, var(--surface)), color-mix(in srgb, var(--violet) 6%, var(--surface)));
  border: 1px solid color-mix(in srgb, var(--violet) 55%, transparent);
  box-shadow: 0 12px 30px -20px var(--violet);
  transition: opacity .7s, scale .8s cubic-bezier(.3, 1.4, .5, 1), box-shadow .3s, border-color .3s;
}
.g-group:hover { border-color: var(--violet); box-shadow: 0 14px 36px -16px var(--violet); }
.g-group.lit { box-shadow: 0 0 0 2px var(--crimson-2); }
.group-head {
  display: flex; align-items: center; gap: 7px; padding: 5px 10px; border: 0; cursor: pointer; text-align: left;
  background: color-mix(in srgb, var(--violet) 30%, transparent); color: var(--text); font: 600 11.5px var(--font);
  border-bottom: 1px solid color-mix(in srgb, var(--violet) 40%, transparent); white-space: nowrap; overflow: hidden;
}
.group-head svg { color: var(--violet); flex: none; }
.group-head .mono { margin-inline-start: auto; font-size: 9.5px; font-weight: 500; color: color-mix(in srgb, var(--violet) 75%, var(--text)); padding: 1px 6px; border-radius: 4px; background: color-mix(in srgb, var(--violet) 22%, transparent); }
.group-head b { overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.group-head[aria-pressed="true"] { box-shadow: inset 0 0 0 2px #fff; }
.group-body { position: relative; flex: 1; display: grid; grid-template-columns: 1fr 1fr; align-content: center; justify-items: center; gap: 7px 8px; padding: 6px 10px; }
.group-body::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .35;
  background: radial-gradient(circle, color-mix(in srgb, var(--violet) 80%, #fff) 1px, transparent 1.5px) 0 0 / 14px 14px;
}
.school {
  position: relative; z-index: 1; display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 7px; cursor: pointer;
  font: 600 11px var(--mono); color: #fff; white-space: nowrap; border: 1px solid color-mix(in srgb, var(--violet) 80%, #fff 0%);
  background: linear-gradient(90deg, color-mix(in srgb, var(--violet) 70%, #000), var(--violet));
  animation: chipBob 3.2s ease-in-out var(--k, 0s) infinite alternate;
}
.school i { width: 6px; height: 6px; border-radius: 50%; background: #3ecf8e; box-shadow: 0 0 0 2px color-mix(in srgb, #3ecf8e 30%, transparent); }
@keyframes chipBob { from { translate: 0 -2px; } to { translate: 0 2px; } }
.school:hover { filter: brightness(1.15); }
.js .dag.pending .g-group { opacity: 0; scale: .92; }
.js .dag .g-group.done { opacity: 1; scale: 1; }
.g-group.flash { animation: cloudflash .7s ease-out; }

.g-row-balloon .g-track { height: 72px; }
@keyframes cloudflash { from { box-shadow: 0 0 0 0 color-mix(in srgb, var(--violet) 80%, transparent); } to { box-shadow: 0 0 0 16px transparent; } }

.g-balloon {
  position: absolute; bottom: 0; width: 36px; margin-left: -18px; padding: 0; border: 0; background: none; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; transform-origin: 50% 100%;
  animation: swing 3.4s ease-in-out infinite alternate; transition: opacity .5s, scale .6s cubic-bezier(.3, 1.6, .5, 1);
}
@keyframes swing { from { rotate: -6deg; } to { rotate: 6deg; } }
.b-body {
  position: relative; display: grid; place-items: center; width: 32px; height: 38px; color: #fff;
  border-radius: 50% 50% 48% 48% / 44% 44% 56% 56%;
  background: radial-gradient(circle at 34% 28%, color-mix(in srgb, var(--violet) 40%, #fff), var(--violet) 55%, color-mix(in srgb, var(--violet) 60%, #000));
  box-shadow: 0 8px 20px -8px var(--violet);
}
.b-body::after { content: ""; position: absolute; bottom: -4px; left: 50%; margin-left: -4px; border: 4px solid transparent; border-bottom: 5px solid color-mix(in srgb, var(--violet) 70%, #000); border-top: 0; }
.b-body svg { width: 15px; height: 15px; }
.b-string { width: 10px; height: 26px; }
.b-string path { fill: none; stroke: color-mix(in srgb, var(--violet) 70%, var(--muted)); stroke-width: 1.2; }
.g-balloon:hover .b-body { filter: brightness(1.15); }
.g-balloon[aria-pressed="true"] .b-body { box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px #fff; }
.g-balloon.lit .b-body { box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--crimson-2); }
.js .dag.pending .g-balloon { opacity: 0; scale: .2; }
.js .dag .g-balloon.done { opacity: 1; scale: 1; }
.log-link { display: inline-block; margin-top: 14px; }

/* ---------- contact v2 ---------- */
.intent { justify-content: flex-start; gap: 14px; }
.intent::after { margin-inline-start: auto; }
.intent-emoji {
  display: grid; place-items: center; width: 38px; height: 38px; flex: none; border-radius: 11px; font-size: 20px; line-height: 1;
  background: var(--surface-2); border: 1px solid var(--border); transition: transform .25s, background .25s;
}
.intent:hover .intent-emoji { transform: rotate(-8deg) scale(1.08); }
.intent.on .intent-emoji { background: color-mix(in srgb, var(--crimson) 25%, var(--surface-2)); border-color: var(--crimson); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; }
.field-row .field + .field { border-inline-start: 1px solid var(--border); }
.field input::placeholder { color: var(--muted); font-weight: 400; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.composer { position: relative; }
.composer-actions { align-items: center; }
.c-status { font-size: 13.5px; color: var(--text-2); }
.c-status[data-kind="ok"] { color: var(--teal); }
.c-status[data-kind="err"] { color: var(--crimson-2); }
.composer .btn[disabled] { opacity: .6; pointer-events: none; }
@media (max-width: 640px) { .field-row { grid-template-columns: 1fr; } .field-row .field + .field { border-inline-start: 0; } }


/* ---------- career v3: readable header, taller bars, two-line role labels ---------- */
.dag-head { gap: 10px 12px; padding: 14px 18px; font-size: 13px; align-items: center; }
.dh { display: inline-flex; align-items: center; gap: 8px; padding: 5px 11px; border-radius: 8px; background: var(--surface); border: 1px solid var(--border-2); }
.dh .dim { margin: 0; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; }
.dh b { color: var(--text); font-weight: 700; }
.dh b b, #dag-done { color: var(--crimson-2); }
.dag-head .state.running { padding: 5px 11px; font-size: 12px; }
.g-name { font: 600 12.5px var(--font); color: var(--text-2); }
.g-row.sel .g-name, .g-row:hover .g-name { color: var(--text); }
.g-row-company .g-track { height: 50px; }
.g-row-company .g-bar { top: 5px; bottom: 5px; }
.seg { padding: 0 7px; font-size: 11px; line-height: 1.12; }
.seg span { white-space: normal; overflow: hidden; }


/* ---------- featured demo: Mofid text platform ---------- */
.tl { display: grid; grid-template-columns: 112px 44px 84px 1fr; align-items: center; gap: 8px; height: 178px; padding: 12px 14px; border-bottom: 1px solid #1f2330; font-size: 10.5px; }
.tl-sources { display: grid; gap: 6px; }
.src { --sc: #7d8395; position: relative; display: flex; align-items: center; gap: 6px; padding: 5px 24px 5px 7px; border-radius: 7px; background: #141822; border: 1px solid #222838; color: #7d8395; transition: color .3s, border-color .3s, background .3s; }
.s-call { --sc: #e14d77; } .s-chat { --sc: #a99dff; } .s-sms { --sc: #34d1bc; } .s-search { --sc: #e8c766; }
.src b { font-weight: 400; filter: grayscale(1); opacity: .6; transition: filter .3s, opacity .3s; }
.agent-run.st-1 .src { color: #e8e9ee; border-color: color-mix(in srgb, var(--sc) 45%, #222838); background: color-mix(in srgb, var(--sc) 9%, #141822); }
.agent-run.st-1 .src b { filter: none; opacity: 1; }
.port { position: absolute; right: -9px; top: 50%; translate: 0 -50%; display: grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; background: #0b0d12; border: 1.5px solid #2c3242; color: #4a5064; transition: color .3s, border-color .3s, box-shadow .3s; }
.port svg { width: 10px; height: 10px; }
.agent-run.st-1 .port { color: var(--sc); border-color: var(--sc); }
.agent-run.st-2 .s-call .port, .agent-run.st-2 .s-chat .port, .agent-run.st-2 .s-search .port { box-shadow: 0 0 0 3px color-mix(in srgb, var(--sc) 30%, transparent), 0 0 12px var(--sc); animation: portPulse 1.6s ease-in-out infinite; }
@keyframes portPulse { 50% { box-shadow: 0 0 0 5px color-mix(in srgb, var(--sc) 15%, transparent), 0 0 18px var(--sc); } }
.tl-pipes { width: 100%; height: 120px; overflow: visible; }
.tl-pipes path { fill: none; stroke: #2a3040; vector-effect: non-scaling-stroke; transition: stroke .4s; }
.tl-pipes .p-call { stroke-width: 5; stroke-dasharray: 9 5; stroke-linecap: round; }
.tl-pipes .p-chat { stroke-width: 2; stroke-dasharray: 5 4; }
.tl-pipes .p-sms { stroke-width: 1.6; stroke-dasharray: .1 4; stroke-linecap: round; }
.tl-pipes .p-search { stroke-width: 3.5; stroke-dasharray: 14 6; stroke-linecap: round; }
.agent-run.st-1 .p-call { stroke: #e14d77; animation: flowA .5s linear infinite; }
.agent-run.st-1 .p-chat { stroke: #a99dff; animation: flowB .9s linear infinite; }
.agent-run.st-1 .p-sms { stroke: #34d1bc; animation: flowC .7s linear infinite; }
.agent-run.st-1 .p-search { stroke: #e8c766; animation: flowD 1.3s linear infinite; }
@keyframes flowA { to { stroke-dashoffset: -14; } }
@keyframes flowB { to { stroke-dashoffset: -9; } }
@keyframes flowC { to { stroke-dashoffset: -4.1; } }
@keyframes flowD { to { stroke-dashoffset: -20; } }
.tl-es { display: grid; justify-items: center; gap: 4px; text-align: center; }
.es-can { position: relative; display: block; width: 46px; height: 62px; border-radius: 50% / 13%; background: #141822; border: 1.5px solid #2c3242; overflow: hidden; }
.es-can i { position: absolute; left: 0; right: 0; height: 0; transition: height .45s cubic-bezier(.3, .8, .3, 1); }
.es-can i:nth-child(1) { bottom: 0; background: linear-gradient(#ff7d9c, #c0285a); }
.es-can i:nth-child(2) { bottom: 25%; background: linear-gradient(#c6bdff, #7a6be0); transition-delay: .12s; }
.es-can i:nth-child(3) { bottom: 50%; background: linear-gradient(#7fe8d8, #13a690); transition-delay: .24s; }
.es-can i:nth-child(4) { bottom: 75%; background: linear-gradient(#f6e3a1, #c79a2e); transition-delay: .36s; }
.agent-run.st-3 .es-can i { height: 25.2%; }
.es-name { color: #b4b8c5; }
.es-docs { color: #7d8395; }
.es-count { color: #3ecf8e; font-weight: 600; }
.tl-kibana { position: relative; display: grid; gap: 6px; padding: 8px; border-radius: 8px; background: #0b0d12; border: 1px solid #252a38; opacity: .55; transition: opacity .4s; font-size: 9.5px; }
.agent-run.st-3 .tl-kibana { opacity: .8; }
.agent-run.st-5 .tl-kibana { opacity: 1; }
.kb-search { display: flex; align-items: center; gap: 3px; height: 17px; padding: 0 6px; border-radius: 4px; background: #141822; color: #a99dff; }
.kb-q { display: inline-block; max-width: 0; overflow: hidden; white-space: nowrap; transition: max-width 1s steps(14); }
.agent-run.st-5 .kb-q { max-width: 120px; }
.kb-search .caret { width: 1px; height: 10px; background: #b4b8c5; animation: blink 1s steps(1) infinite; }
.kb-bars { display: flex; align-items: flex-end; gap: 3px; height: 30px; }
.kb-bars i { flex: 1; height: 8%; border-radius: 2px 2px 0 0; transition: height .6s cubic-bezier(.3, 1.2, .5, 1); transition-delay: calc(var(--i) * .07s); }
.kb-bars i:nth-child(1) { background: #e14d77; } .kb-bars i:nth-child(2) { background: #a99dff; } .kb-bars i:nth-child(3) { background: #34d1bc; }
.kb-bars i:nth-child(4) { background: #e8c766; } .kb-bars i:nth-child(5) { background: #6c8cff; } .kb-bars i:nth-child(6) { background: #f28b5b; } .kb-bars i:nth-child(7) { background: #c9ced8; }
.agent-run.st-5 .kb-bars i { height: var(--h); }
.kb-rows { display: grid; gap: 3px; }
.kb-row { display: grid; grid-template-columns: 1fr auto auto; gap: 6px; align-items: center; padding: 2px 5px; border-radius: 3px; background: #141822; color: #b4b8c5; white-space: nowrap; opacity: 0; translate: 0 4px; transition: opacity .35s, translate .35s; transition-delay: calc(var(--i) * .15s); }
.agent-run.st-3 .kb-row { opacity: 1; translate: 0 0; }
.kb-row .nm { position: relative; font-weight: 500; color: #e8e9ee; overflow: hidden; }
.kb-row .nm .masked { position: absolute; left: 0; opacity: 0; color: #3ecf8e; transition: opacity .4s; }
.kb-row .nm .raw { transition: opacity .4s; }
.agent-run.st-4 .kb-row .nm .raw { opacity: 0; }
.agent-run.st-4 .kb-row .nm .masked { opacity: 1; }
.kb-row .v.buy { color: #3ecf8e; } .kb-row .v.sell { color: #ff7d9c; } .kb-row .v.chat { color: #a99dff; }
.tag-crm { padding: 0 4px; border-radius: 3px; font-size: 8.5px; background: rgba(232, 199, 102, .14); color: #e8c766; }
.kb-lock { position: absolute; top: -9px; right: 8px; padding: 1px 6px; border-radius: 5px; font-size: 9px; background: #1d1330; border: 1px solid rgba(139, 124, 255, .45); color: #a99dff; opacity: 0; transition: opacity .3s; }
.agent-run.st-4 .kb-lock { opacity: 1; }

/* ---------- career v4: one colour per role type + legend ---------- */
/* "jewel" palette: radiant gold, emerald, ruby, sapphire */
:root { --t-de: #e0a100; --t-de2: #ffe36e; --t-ds: #00a878; --t-ds2: #4dffc3; --t-ai: #e0004d; --t-ai2: #ff7aa8; --t-swe: #1e6bff; --t-swe2: #7cc8ff; }
.g-bar.industry { background: transparent; }
.g-bar.industry .seg { background: linear-gradient(180deg, rgba(255, 255, 255, .38), rgba(255, 255, 255, 0) 48%, rgba(0, 0, 0, .18)), linear-gradient(90deg, var(--c1), var(--c2)); }
.seg.type-de { --c1: var(--t-de); --c2: var(--t-de2); }
.seg.type-ds { --c1: var(--t-ds); --c2: var(--t-ds2); }
.seg.type-ai { --c1: var(--t-ai); --c2: var(--t-ai2); }
.seg.type-swe { --c1: var(--t-swe); --c2: var(--t-swe2); }
.g-bar.industry .seg:hover { filter: brightness(1.15) saturate(1.1); }
.g-bar.industry .seg { overflow: hidden; }
.g-bar.industry .seg::before {
  content: ""; position: absolute; top: 0; bottom: 0; left: -40%; width: 30%; pointer-events: none;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .65), transparent);
  animation: sheen 5.5s ease-in-out calc(var(--i, 0) * .4s + 1.5s) infinite;
}
@keyframes sheen { 0% { left: -40%; } 22%, 100% { left: 120%; } }
.g-bar.industry .seg::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: .35;
  background: radial-gradient(circle, rgba(255, 255, 255, .85) 1.1px, transparent 1.7px) 0 50% / 16px 100% repeat-x;
  animation: packets 1.6s linear infinite;
}
.g-bar.industry .seg:hover::after, .g-bar.industry .seg[aria-pressed="true"]::after { opacity: .8; animation-duration: .55s; }
.g-bar.industry .seg + .seg { box-shadow: inset 2px 0 0 var(--surface); }
.g-bar.industry .seg.lit { box-shadow: 0 0 0 2px var(--surface), 0 0 0 4px var(--c2); z-index: 2; }
.g-bar.industry .seg[aria-pressed="true"] { box-shadow: 0 0 0 2px var(--surface), 0 0 0 4px #fff; z-index: 2; }
.g-row-company .g-track { height: 40px; }
.g-row-company .g-bar { top: 9px; bottom: 9px; }
.g-legend { display: flex; flex-wrap: wrap; gap: 8px 18px; padding: 12px 20px 16px; border-top: 1px solid var(--border); font-size: 12.5px; color: var(--text-2); }
.lg-item { display: inline-flex; align-items: center; gap: 8px; cursor: default; transition: color .2s; }
.lg-item i { width: 22px; height: 10px; border-radius: 3px; background: linear-gradient(180deg, rgba(255, 255, 255, .38), rgba(255, 255, 255, 0) 48%), linear-gradient(90deg, var(--c1), var(--c2)); }
.lg-item i.type-de { --c1: var(--t-de); --c2: var(--t-de2); }
.lg-item i.type-ds { --c1: var(--t-ds); --c2: var(--t-ds2); }
.lg-item i.type-ai { --c1: var(--t-ai); --c2: var(--t-ai2); }
.lg-item i.type-swe { --c1: var(--t-swe); --c2: var(--t-swe2); }
.lg-teach { margin-inline-start: auto; }
.lg-teach i { background: var(--violet); }
.lg-item.on, .lg-item[data-type]:hover { color: var(--text); }
.group-head { justify-content: flex-start; }

/* featured demo panels: don't stretch into empty space */
.project.featured .agent-run { align-self: start; }
.project.featured .agent-run .ar-steps { flex: 0 0 auto; align-content: start; }


/* ---------- career v5: restless Helli schools, teaching rail, YouTube balloon ---------- */
.g-row-group .g-track { height: 158px; }
.group-head { flex: none; }
.group-body { display: flex; flex-wrap: wrap; align-items: center; align-content: center; justify-content: center; gap: 6px 8px; }
.school { animation: var(--w, wanderA) var(--dur, 6s) ease-in-out var(--k, 0s) infinite; }
.school.size-3 { font-size: 13.5px; padding: 7px 15px; border-radius: 10px; box-shadow: 0 8px 22px -8px var(--violet); }
.school.size-2 { font-size: 12px; padding: 5px 11px; border-radius: 9px; }
.school.size-1 { font-size: 10.5px; padding: 3px 8px; border-radius: 7px; opacity: .92; }
.school.size-3 i { width: 7px; height: 7px; }
@keyframes wanderA { 0%, 100% { translate: 0 0; rotate: 0deg; } 30% { translate: 4px -3px; rotate: 2deg; } 65% { translate: -3px 2px; rotate: -1.5deg; } }
@keyframes wanderB { 0%, 100% { translate: 0 0; rotate: 0deg; } 35% { translate: -4px -2px; rotate: -2.5deg; } 70% { translate: 3px 3px; rotate: 1deg; } }
@keyframes wanderC { 0%, 100% { translate: 0 0; rotate: 0deg; } 25% { translate: 2px 3px; rotate: 1.5deg; } 60% { translate: -2px -4px; rotate: -2deg; } }

.g-bar.teaching.occasional { background: none; border: 0; }
.g-bar.teaching.occasional::before, .g-bar.teaching.occasional::after { display: none; }
.g-bar.teaching.occasional .seg { background: transparent; border-radius: 999px; }
.seg .rail { position: absolute; inset: 0; pointer-events: none; overflow: visible; white-space: normal; }
.rail::before {
  content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 3px; translate: 0 -50%; border-radius: 3px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--violet) 25%, transparent), var(--violet) 40%, color-mix(in srgb, var(--violet) 70%, #fff));
}
.rail::after { content: ""; position: absolute; right: -2px; top: 50%; width: 9px; height: 9px; translate: 0 -50%; border-radius: 50%; background: #fff; box-shadow: 0 0 0 3px var(--violet), 0 0 14px var(--violet); animation: pulse 2s infinite; }
.rail i {
  position: absolute; top: 50%; width: 10px; height: 10px; translate: -50% -50%; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fff, var(--violet) 60%); box-shadow: 0 0 8px color-mix(in srgb, var(--violet) 70%, transparent);
  animation: bead 3.9s ease-in-out var(--k) infinite;
}
@keyframes bead { 0%, 70%, 100% { scale: 1; opacity: .75; } 12% { scale: 1.7; opacity: 1; box-shadow: 0 0 16px var(--violet); } }
.g-bar.teaching.occasional .seg:hover .rail::before { filter: brightness(1.25); }
.g-bar.teaching.occasional .seg[aria-pressed="true"] { box-shadow: 0 0 0 2px var(--surface), 0 0 0 4px #fff; }

.g-row-balloon .g-track { height: 92px; }
.g-balloon { width: 40px; margin-left: -20px; animation: swing 3.4s ease-in-out infinite alternate, floaty 4.2s ease-in-out infinite; }
@keyframes floaty { 50% { translate: 0 -6px; } }
.b-svg { width: 36px; height: 62px; overflow: visible; filter: drop-shadow(0 10px 12px rgba(195, 0, 47, .35)); }
.b-str { fill: none; stroke: color-mix(in srgb, var(--muted) 80%, #fff); stroke-width: 1.1; }
.b-knot { fill: #9a0026; }
.b-gloss { fill: #fff; opacity: .5; }
.b-yt { fill: #fff; opacity: .95; }
.b-play { fill: #ff0033; }
.g-balloon:hover .b-svg { filter: drop-shadow(0 10px 16px rgba(255, 0, 51, .55)) brightness(1.08); }
.g-balloon[aria-pressed="true"] .b-shape { stroke: #fff; stroke-width: 2; }
.g-balloon.lit .b-shape { stroke: var(--crimson-2); stroke-width: 2; }

.g-swipe { display: none; margin: 0; padding: 8px 18px 0; font-size: 12px; color: var(--muted); }
.g-swipe span { display: inline-block; color: var(--crimson-2); animation: nudge 1.6s ease-in-out infinite; }
@keyframes nudge { 50% { translate: -5px 0; } }
@media (max-width: 900px) { .g-swipe { display: block; } }

/* contact without a form: direct channels */
.reach { display: grid; grid-template-columns: repeat(2, minmax(0, 340px)); gap: 14px; }
.reach-card {
  display: flex; align-items: center; gap: 16px; padding: 20px 22px; border-radius: var(--radius); text-decoration: none;
  background: var(--surface); border: 1px solid var(--border); transition: border-color .25s, transform .25s, box-shadow .25s;
}
.reach-card:hover { transform: translateY(-3px); border-color: var(--border-2); box-shadow: var(--shadow); }
.reach-ico { display: grid; place-items: center; width: 46px; height: 46px; flex: none; border-radius: 12px; color: #fff; }
.reach-ico svg { width: 22px; height: 22px; }
.reach-ico.li { background: #0a66c2; }
.reach-ico.tg { background: #26a5e4; }
.reach-body { display: grid; gap: 2px; }
.reach-body b { font-size: 17px; }
.reach-body small { color: var(--muted); font-size: 13.5px; }
.reach-go { margin-inline-start: auto; color: var(--muted); font-size: 18px; transition: color .2s, transform .2s; }
.reach-card:hover .reach-go { color: var(--crimson-2); transform: translate(2px, -2px); }
@media (max-width: 640px) { .reach { grid-template-columns: 1fr; } }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .numbers { grid-template-columns: repeat(3, 1fr); }
  .project.featured { grid-template-columns: 1fr; }
  .agent-run { margin: 0 18px 18px; }
  .projects { grid-template-columns: repeat(2, 1fr); }
  .project { grid-column: auto; }
  .project.featured { grid-column: 1 / -1; }
  .nav-links a i { display: none; }
}
@media (max-width: 900px) {
  .burger { display: grid; }
  .nav-links {
    position: absolute; top: 64px; inset-inline: 0; flex-direction: column; gap: 2px; margin: 0;
    padding: 10px 16px 18px; background: var(--bg); border-bottom: 1px solid var(--border);
    transform: translateY(-8px); opacity: 0; visibility: hidden; transition: all .25s;
  }
  .nav-links.open { transform: none; opacity: 1; visibility: visible; }
  .nav-links a { padding: 12px; font-size: 16px; }
  .nav-links a i { display: inline; }
  .hero-grid { grid-template-columns: 1fr; gap: 50px; }
  .hero-photo { width: min(78%, 340px); order: -1; }
  .teach-grid, .contact-grid, .diary { grid-template-columns: 1fr; gap: 32px; }
  .channel { position: static; }
  .skills { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .section { padding: 80px 0; }
  .numbers { grid-template-columns: repeat(2, 1fr); }
  .number { padding: 20px 16px; }
  .projects, .edu-grid { grid-template-columns: 1fr; }
  .project.open { grid-column: auto; }
  .project.featured { grid-template-columns: 1fr; }
  .agent-run { margin: 0 18px 18px; }
  .lb-thumbs button { width: 52px; height: 38px; }
  .ar-screen { grid-template-columns: 56px 1fr 96px; gap: 7px; padding: 10px; }
  .tl { grid-template-columns: 108px 1fr 84px; height: auto; gap: 8px 6px; padding: 12px; font-size: 10px; }
  .tl-kibana { grid-column: 1 / -1; margin-top: 6px; }
  .ar-map .rank { font-size: 9.5px; top: 16px; right: 18px; }
  .teach-stats { grid-template-columns: 1fr; }
  .lightbox { grid-template-columns: 44px 1fr 44px; }
  .card-foot { flex-direction: column; align-items: flex-start; }
  .brand { font-size: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .js .reveal { opacity: 1; transform: none; }
}