:root {
  --bg: #FBFCFF;
  --bg-2: #FFFFFF;
  --bg-3: #EEF2FF;
  --line: #E3E8F5;
  --line-2: #CBD5EE;
  --text: #0E1633;
  --dim: #46527A;
  --faint: #65729A;
  --accent: #3D5AFE;
  --accent-2: #2A43D6;
  --accent-soft: #E8ECFF;
  --accent-line: rgba(61, 90, 254, .38);
  --sun: #FFD84D;
  --mint: #12B886;
  --coral: #FF5C7A;
  --sans: 'IBM Plex Sans', -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}
* { box-sizing: border-box; }
html { color-scheme: light; scroll-behavior: smooth; scroll-padding-top: 72px; background: var(--bg); }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 1rem/1.7 var(--sans); -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, p, ul, ol, dl, dd { margin: 0; padding: 0; }
ul, ol { list-style: none; }
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
button { font: inherit; color: inherit; }
.mono { font-family: var(--mono); }
.wrap { width: min(960px, 100%); margin-inline: auto; padding-inline: 24px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: #fff; padding: 8px 12px; border-radius: 4px; z-index: 50; }
.skip:focus { left: 8px; }

/* nav */
.nav { position: sticky; top: 0; z-index: 20; background: rgba(251, 252, 255, .88); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 58px; }
.logo { color: var(--text); font-weight: 600; font-size: .95rem; }
.logo span { color: var(--accent); }
.logo:hover { text-decoration: none; }
.nav-links { display: flex; gap: 22px; font-size: .82rem; }
.nav-links a { color: var(--dim); }
.nav-links a:hover { color: var(--accent-2); text-decoration: none; }
@media (max-width: 520px) { .nav-links { gap: 14px; font-size: .76rem; } }

/* hero */
.hero { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; padding-block: 88px 72px; }
.hello { color: var(--accent-2); font-size: .9rem; margin-bottom: 10px; }
h1 { font: 700 clamp(2.7rem, 6.4vw, 4.3rem)/1.03 var(--sans); letter-spacing: -.025em; }
.role { display: inline-block; font-size: 1.05rem; color: var(--text); margin-top: 12px; padding: 2px 8px; background: var(--sun); border-radius: 3px; font-weight: 500; }
.lead { font-size: 1.3rem; line-height: 1.5; font-weight: 500; color: var(--text); margin-top: 20px; max-width: 32rem; }
.bio { color: var(--dim); margin-top: 14px; max-width: 34rem; }
.cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.btn { display: inline-flex; align-items: center; padding: 11px 17px; border-radius: 6px; background: var(--accent); color: #fff; font: 500 .86rem/1 var(--mono); border: 1px solid var(--accent); box-shadow: 0 6px 16px -8px rgba(61, 90, 254, .7); }
.btn:hover { text-decoration: none; background: var(--accent-2); border-color: var(--accent-2); }
.btn svg { width: 16px; height: 16px; margin-right: 8px; flex: none; }
.btn.wa { background: #25D366; border-color: #25D366; color: #06240F; box-shadow: 0 6px 16px -8px rgba(37, 211, 102, .8); }
.btn.wa:hover { background: #3BE07A; border-color: #3BE07A; }
.btn.ghost { background: #fff; color: var(--text); border-color: var(--line-2); box-shadow: none; }
.btn.ghost:hover { border-color: var(--accent); color: var(--accent-2); background: var(--accent-soft); }
.status { display: flex; align-items: center; gap: 10px; margin-top: 22px; font-size: .78rem; color: var(--dim); }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 4px rgba(18, 184, 134, .18); }
.term { background: var(--accent); border-radius: 10px; overflow: hidden; box-shadow: 0 24px 50px -24px rgba(61, 90, 254, .65); }
.term-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: 1px solid rgba(255, 255, 255, .18); font-size: .72rem; color: rgba(255, 255, 255, .75); }
.term-bar i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, .4); }
.term-bar span { margin-left: 8px; }
.term pre { margin: 0; padding: 18px 18px 22px; font-size: .8rem; line-height: 1.85; color: rgba(255, 255, 255, .88); white-space: pre-wrap; overflow-wrap: anywhere; }
.term .p { color: var(--sun); }
.term .k { color: #fff; font-weight: 600; }
@media (max-width: 860px) { .hero { grid-template-columns: 1fr; padding-block: 56px 48px; gap: 36px; } }

/* sections */
.section { padding-block: 64px; border-top: 1px solid var(--line); }
h2 { font: 600 1.6rem/1.2 var(--sans); letter-spacing: -.01em; }
.hash { color: var(--accent); margin-right: 10px; font-weight: 500; }
.sub { color: var(--dim); margin-top: 10px; max-width: 40rem; }

/* cards */
.cards { display: grid; gap: 20px; margin-top: 32px; }
.card { background: var(--bg-2); border: 1px solid var(--line); border-radius: 12px; padding: 26px 26px 24px; box-shadow: 0 1px 2px rgba(14, 22, 51, .04), 0 12px 30px -20px rgba(14, 22, 51, .25); transition: border-color .15s, box-shadow .15s; }
.card:hover { border-color: var(--accent-line); box-shadow: 0 1px 2px rgba(14, 22, 51, .04), 0 16px 36px -18px rgba(61, 90, 254, .35); }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.card h3 { font: 600 1.25rem/1.3 var(--sans); }
.chip { font-size: .68rem; color: var(--accent-2); background: var(--accent-soft); border-radius: 999px; padding: 3px 11px; font-weight: 500; }
.brief { margin-top: 18px; border-top: 1px solid var(--line); }
.brief .row { display: grid; grid-template-columns: 116px 1fr; gap: 18px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.brief dt { font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .07em; padding-top: 4px; }
.brief dd { color: var(--dim); font-size: .97rem; }
.brief dd b { color: var(--text); font-weight: 600; }
.l-problem { color: #D13A5B; }
.l-built { color: var(--accent-2); }
.l-uses { color: var(--mint); filter: brightness(.8); }
.uses { display: grid; gap: 8px; }
.uses li { position: relative; padding-left: 18px; }
.uses li::before { content: ">"; position: absolute; left: 0; color: var(--accent); font: 500 .85rem/1.9 var(--mono); }
@media (max-width: 640px) { .brief .row { grid-template-columns: 1fr; gap: 4px; } .brief dt { padding-top: 0; } }
.proof { margin-top: 16px; display: grid; gap: 8px; }
.proof li { position: relative; padding-left: 20px; font-size: .95rem; color: var(--text); }
.proof li::before { content: ">"; position: absolute; left: 0; color: var(--accent); font: 500 .85rem/1.9 var(--mono); }
.proof b { color: var(--accent-2); font-weight: 600; background: linear-gradient(transparent 62%, rgba(255, 216, 77, .7) 62%); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tags li { font-size: .74rem; color: var(--accent-2); background: var(--bg-3); border-radius: 5px; padding: 4px 9px; font-weight: 500; }
.note { margin-top: 14px; font-size: .82rem; color: var(--faint); }
.links { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 18px; font-size: .85rem; }
.links[hidden] { display: none; }
@media (max-width: 560px) { .card { padding: 20px 18px; } }

/* demo */
.demo { margin-top: 22px; border: 1px solid var(--line-2); border-radius: 10px; background: #fff; overflow: hidden; }
.demo-head { display: flex; justify-content: space-between; gap: 12px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: var(--bg-3); font-size: .72rem; color: var(--faint); }
.demo-head span:first-child { color: var(--accent-2); font-weight: 600; }
.demo-grid { display: grid; grid-template-columns: 1.35fr 1fr; }
.player { padding: 14px 14px 4px; border-right: 1px solid var(--line); min-width: 0; }
.controls { display: flex; align-items: center; gap: 12px; }
.play { width: 40px; height: 36px; display: grid; place-items: center; background: var(--accent); border: 0; border-radius: 6px; color: #fff; cursor: pointer; flex: none; }
.play:hover { background: var(--accent-2); }
.play svg { width: 16px; height: 16px; fill: currentColor; }
.i-pause { display: none; }
.is-playing .i-play { display: none; }
.is-playing .i-pause { display: block; }
.time { font-size: .82rem; color: var(--dim); font-variant-numeric: tabular-nums; white-space: nowrap; }
.levels { flex: 1; display: flex; align-items: flex-end; gap: 2px; height: 22px; min-width: 40px; }
.levels i { flex: 1; height: 2px; background: var(--accent); opacity: .85; border-radius: 1px; }
.speed { background: transparent; border: 1px solid var(--line-2); border-radius: 4px; padding: 6px 9px; font-size: .74rem; color: var(--dim); cursor: pointer; }
.speed:hover { color: var(--accent-2); border-color: var(--accent-line); }
.scrub { position: relative; height: 34px; margin-top: 8px; cursor: pointer; touch-action: none; }
.scrub::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 2px; background: var(--line-2); transform: translateY(-50%); }
.seg { position: absolute; top: 9px; bottom: 9px; border-radius: 1px; opacity: .3; transition: opacity .15s; }
.seg.bot { background: var(--accent); }
.seg.caller { background: var(--coral); top: 13px; bottom: 13px; }
.seg.played { opacity: .7; }
.seg.active { opacity: 1; }
.playhead { position: absolute; top: 2px; bottom: 2px; width: 2px; background: var(--text); pointer-events: none; left: 0; }
.transcript { max-height: 300px; overflow-y: auto; margin: 6px -14px 0; border-top: 1px solid var(--line); scrollbar-width: thin; scrollbar-color: var(--line-2) transparent; }
.turn { width: 100%; display: grid; grid-template-columns: 62px 1fr; gap: 10px; text-align: left; padding: 11px 14px; background: transparent; border: 0; border-bottom: 1px solid var(--line); cursor: pointer; }
.turn:hover { background: #F5F7FF; }
.turn .who { font: 500 .66rem/1.9 var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--faint); }
.turn.bot .who { color: var(--accent-2); }
.turn.caller .who { color: #D13A5B; }
.turn .txt { font-size: .92rem; line-height: 1.5; color: var(--faint); transition: color .2s; }
.turn.past .txt { color: var(--dim); }
.turn.active { background: #FFF7D6; }
.turn.active .txt { color: var(--text); }
.jobcard { padding: 14px; background: #FAFBFF; }
.jc-head { display: flex; justify-content: space-between; font-size: .74rem; color: var(--accent-2); font-weight: 600; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.jc-head span:last-child { color: var(--faint); }
.spec .row { display: flex; justify-content: space-between; gap: 14px; padding: 9px 0; border-bottom: 1px dashed var(--line); font-size: .88rem; }
.spec dt { color: var(--faint); font-family: var(--mono); font-size: .76rem; padding-top: 2px; }
.spec dd { text-align: right; color: var(--faint); overflow-wrap: anywhere; }
.spec .row.filled dd { color: var(--text); }
.spec .row.flash { animation: flash 1.2s ease-out; }
@keyframes flash { from { background: rgba(255, 216, 77, .7); } to { background: transparent; } }
.jc-foot { margin-top: 12px; font-size: .78rem; color: var(--faint); line-height: 1.5; }
.demo .note { margin: 0; padding: 10px 14px; border-top: 1px solid var(--line); font-size: .78rem; }
.demo .note:empty { display: none; }
@media (max-width: 760px) { .demo-grid { grid-template-columns: 1fr; } .player { border-right: 0; border-bottom: 1px solid var(--line); } .jobcard { order: -1; border-bottom: 1px solid var(--line); } }
@media (max-width: 420px) { .levels { display: none; } .turn { grid-template-columns: 1fr; gap: 0; } }

/* skills */
.skills { margin-top: 24px; display: grid; }
.skill-row { display: grid; grid-template-columns: 200px 1fr; gap: 18px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.skill-row:first-child { border-top: 1px solid var(--line); }
.skill-row h3 { font-size: .8rem; font-weight: 600; color: var(--accent-2); padding-top: 6px; }
.skill-row .tags { margin-top: 0; }
@media (max-width: 640px) { .skill-row { grid-template-columns: 1fr; gap: 8px; } .skill-row h3 { padding-top: 0; } }

/* about + contact */
.about { margin-top: 20px; display: grid; gap: 16px; max-width: 40rem; color: var(--dim); }
.edu { margin-top: 8px; padding: 16px 18px; background: var(--bg-3); border-radius: 10px; display: grid; gap: 8px; font-size: .84rem; }
.edu div { display: flex; gap: 16px; flex-wrap: wrap; }
.edu dt { color: var(--faint); min-width: 90px; }
.edu dd { color: var(--text); }
.contact { margin-top: 22px; display: grid; gap: 0; max-width: 34rem; }
.contact li { display: flex; gap: 20px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: .9rem; flex-wrap: wrap; }
.contact li:first-child { border-top: 1px solid var(--line); }
.contact li[hidden] { display: none; }
.contact span { color: var(--faint); width: 80px; }
.foot { border-top: 1px solid var(--line); padding-block: 26px; margin-top: 24px; }
.copy { text-align: right; }
.wa-float { position: fixed; right: max(20px, env(safe-area-inset-right)); bottom: max(20px, env(safe-area-inset-bottom)); z-index: 45; width: 64px; height: 64px; display: grid; place-items: center; border-radius: 50%; background: #25D366; color: #fff; box-shadow: 0 10px 26px -6px rgba(37, 211, 102, .75), 0 2px 8px rgba(14, 22, 51, .2); transition: transform .15s, background .15s; }
.wa-float svg { width: 34px; height: 34px; }
.wa-float:hover { text-decoration: none; transform: scale(1.06); background: #1FBF5B; }
.wa-float[hidden] { display: none; }
@media (max-width: 560px) { .wa-float { width: 58px; height: 58px; right: 16px; bottom: 16px; } .wa-float svg { width: 30px; height: 30px; } .copy { text-align: left; } }
.foot-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; font-size: .76rem; color: var(--faint); }
.foot { padding-bottom: 34px; }
.socials { display: flex; gap: 10px; }
.socials a { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--line-2); background: #fff; color: var(--text); transition: background .15s, color .15s, border-color .15s, transform .15s; }
.socials a svg { width: 18px; height: 18px; }
.socials a:hover { text-decoration: none; transform: translateY(-2px); background: var(--accent); border-color: var(--accent); color: #fff; }
.socials a[hidden] { display: none; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .spec .row.flash { animation: none; } }