/* =====================================================================
   Jane Wang — shared design system · Figma-inspired
   One stylesheet for index / projects / resume. Restyle here once.
   Brand cues: bold near-black headlines, Figma's 5-color accent palette,
   Inter geometric type, generous whitespace, black pill buttons.
   ===================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root{
  --ink:#1e1e1e; --paper:#ffffff; --cream:#f7f6f3; --muted:#6e6e6e; --line:#e6e6e6;
  /* Figma logo palette */
  --red:#f24e1e; --orange:#ff7262; --purple:#a259ff; --blue:#1abcfe; --green:#0acf83;
  --accent:#1abcfe; --accent-deep:#0d99d6;
  --card:#ffffff; --max:1100px; --r:14px;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---- buttons : Figma black pill ---- */
.btn{display:inline-block;padding:14px 26px;border-radius:999px;font-weight:600;font-size:15px;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:transform .14s ease,background .14s ease,color .14s ease}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{transform:translateY(-2px);background:#000}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.eyebrow{font-size:13px;letter-spacing:.02em;text-transform:uppercase;color:var(--muted);font-weight:700}

/* ---- nav ---- */
nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{font-weight:800;font-size:19px;letter-spacing:-.02em;text-decoration:none}
.nav-links{display:flex;gap:26px;align-items:center}
.nav-links a{text-decoration:none;font-size:15px;color:var(--muted);font-weight:600}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-cta{background:var(--ink);color:#fff !important;padding:10px 18px;border-radius:999px}
.nav-cta:hover{background:#000}
@media(max-width:680px){.nav-links a:not(.nav-cta){display:none}}

/* ---- hero ---- */
.hero{padding:96px 0 64px}
.hero h1{font-size:clamp(40px,6.4vw,76px);line-height:1.02;letter-spacing:-.035em;font-weight:800;max-width:15ch}
.hero h1 em{font-style:normal;background:linear-gradient(92deg,var(--red),var(--purple) 38%,var(--blue) 70%,var(--green));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p.lede{font-size:clamp(18px,2.3vw,22px);color:#3a3a3a;margin-top:26px;max-width:54ch}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px;align-items:center}
.hero-note{font-size:14px;color:var(--muted);margin-top:16px}
.pills{display:flex;gap:10px;flex-wrap:wrap;margin-top:42px}
.pill{font-size:13px;font-weight:700;color:var(--ink);background:#fff;border:1.5px solid var(--line);padding:8px 15px;border-radius:999px}
.pill:nth-child(5n+1){border-color:var(--red)}.pill:nth-child(5n+2){border-color:var(--purple)}
.pill:nth-child(5n+3){border-color:var(--blue)}.pill:nth-child(5n+4){border-color:var(--green)}
.pill:nth-child(5n+5){border-color:var(--orange)}

/* ---- generic sections ---- */
section{padding:64px 0}
.section-head{max-width:60ch;margin-bottom:42px}
.section-head h2{font-size:clamp(30px,4vw,44px);letter-spacing:-.03em;font-weight:800;margin-top:10px}
.section-head p{color:var(--muted);margin-top:12px;font-size:17px}

/* ---- proof grid (index) ---- */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media(max-width:720px){.grid{grid-template-columns:1fr}}
.card{background:var(--card);border:1.5px solid var(--line);border-radius:var(--r);padding:28px;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease;text-decoration:none;display:block}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.08);border-color:#d8d8d8}
.card .tag{font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--purple);display:inline-block;margin-bottom:10px}
.card .tag.live{color:var(--green)}
.card h3{font-size:21px;letter-spacing:-.02em;margin-bottom:8px;font-weight:700}
.card p{font-size:15px;color:#555}
.card .arrow{margin-top:16px;font-size:14px;font-weight:700;color:var(--accent-deep)}

/* ---- logos row ---- */
.logos{margin-top:48px;text-align:center}
.logos .eyebrow{display:block;margin-bottom:18px}
.logo-row{display:flex;gap:34px;flex-wrap:wrap;justify-content:center;align-items:center;font-size:22px;font-weight:800;color:#bdbdbd;letter-spacing:-.01em}
.logo-row span{transition:color .15s}
.logo-row span:hover{color:var(--ink)}

/* ---- email capture (the spine) ---- */
.capture,.cap{background:var(--ink);color:#fff;border-radius:24px;padding:clamp(36px,5vw,60px);text-align:center}
.cap{margin:40px 0}
.capture h2,.cap h2{font-size:clamp(28px,4vw,44px);font-weight:800;letter-spacing:-.03em;max-width:22ch;margin:0 auto;line-height:1.08}
.capture p,.cap p{color:#c9c9d2;font-size:18px;margin:16px auto 0;max-width:46ch}
.cap p{margin-bottom:24px}
form.signup{display:flex;gap:10px;max-width:480px;margin:30px auto 0;flex-wrap:wrap;justify-content:center}
form.signup input{flex:1;min-width:220px;padding:15px 20px;border-radius:999px;border:none;font-size:16px;font-family:inherit}
form.signup .btn-primary{background:var(--blue)}
form.signup .btn-primary:hover{background:var(--accent-deep)}
.capture .hero-note{color:#9a9aa8;margin-top:16px}
.capture .eyebrow,.cap .eyebrow{color:var(--blue)}

/* ---- work-with-me (index) ---- */
.work-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:720px){.work-grid{grid-template-columns:1fr}}
.work-card{border:1.5px solid var(--line);border-radius:var(--r);padding:30px;background:#fff}
.work-card h3{font-size:22px;margin-bottom:8px;font-weight:700;letter-spacing:-.02em}
.work-card p{color:#555;font-size:15px;margin-bottom:20px}
.price{font-weight:800;color:var(--ink)}

/* ---- projects : case studies ---- */
.head{padding:78px 0 24px}
.head h1{font-size:clamp(36px,5.4vw,60px);line-height:1.03;letter-spacing:-.035em;font-weight:800;max-width:18ch}
.head p{font-size:clamp(17px,2vw,20px);color:#3a3a3a;margin-top:18px;max-width:60ch}
.case{background:var(--card);border:1.5px solid var(--line);border-radius:var(--r);padding:clamp(26px,4vw,44px);margin-bottom:26px;transition:border-color .15s}
.case:hover{border-color:#d6d6d6}
.case .top{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap}
.case .co{font-size:13px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--red)}
.case:nth-of-type(2) .co{color:var(--green)}.case:nth-of-type(3) .co{color:var(--blue)}
.case:nth-of-type(4) .co{color:var(--purple)}.case:nth-of-type(5) .co{color:var(--orange)}
.case .yr{font-size:13px;color:var(--muted);font-weight:600}
.case h2{font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-.03em;margin:8px 0 4px}
.case .role{font-size:14px;color:var(--muted);margin-bottom:18px}
.case .body{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media(max-width:720px){.case .body{grid-template-columns:1fr}}
.case h3{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:800;margin-bottom:6px}
.case p{font-size:15px;color:#3a3a3a;margin-bottom:16px}
.metrics{display:flex;gap:14px;flex-wrap:wrap;margin:6px 0 18px}
.metric{background:var(--cream);border:1.5px solid var(--line);border-radius:12px;padding:14px 18px;min-width:120px}
.metric .n{font-size:28px;font-weight:800;letter-spacing:-.03em;color:var(--ink);line-height:1}
.metric .l{font-size:12px;color:var(--muted);margin-top:4px;font-weight:600}
.links{display:flex;gap:14px;flex-wrap:wrap;margin-top:6px}
.links a{font-size:14px;font-weight:700;color:var(--accent-deep);text-decoration:none}
.links a:hover{text-decoration:underline}
.embed{margin:30px 0;border:1.5px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff}
.embed iframe{display:block;width:100%;height:560px;border:0}
@media(max-width:720px){.embed iframe{height:380px}}

/* ---- footer ---- */
footer{border-top:1px solid var(--line);padding:56px 0 70px;margin-top:40px}
.foot-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.foot-soc{display:flex;gap:22px;flex-wrap:wrap}
.foot-soc a{text-decoration:none;color:var(--muted);font-weight:600;font-size:15px}
.foot-soc a:hover{color:var(--ink)}
.foot-fine{color:#9a9a9a;font-size:13px;margin-top:26px}

/* ---- resume sheet ---- */
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:62px}
.topbar a.back{color:var(--muted);font-weight:600;font-size:15px;text-decoration:none}
.topbar a.back:hover{color:var(--ink)}
.actions{display:flex;gap:12px}
.actions .btn{padding:10px 20px;font-size:14px}
.sheet{background:#fff;max-width:880px;margin:30px auto;padding:56px 60px;border:1.5px solid var(--line);border-radius:14px;box-shadow:0 12px 44px rgba(0,0,0,.06)}
header.cv{border-bottom:3px solid var(--ink);padding-bottom:22px;margin-bottom:26px}
header.cv h1{font-size:42px;font-weight:800;letter-spacing:-.035em;line-height:1.03}
header.cv .title{font-size:16px;color:var(--accent-deep);font-weight:700;margin-top:6px}
header.cv .summary{font-size:15px;color:#333;margin-top:14px;max-width:64ch}
.contact{display:flex;flex-wrap:wrap;gap:6px 20px;margin-top:16px;font-size:13.5px;color:var(--muted)}
.contact span{white-space:nowrap}
.contact a{color:var(--accent-deep);text-decoration:none}
.cv h2{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:800;margin:30px 0 14px;border-bottom:1px solid var(--line);padding-bottom:6px}
.job{margin-bottom:18px;break-inside:avoid}
.job .row{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap}
.job .role{font-size:16px;font-weight:800}
.job .role .co{color:var(--accent-deep)}
.job .dates{font-size:13px;color:var(--muted);white-space:nowrap;font-weight:600}
.job ul{margin:7px 0 0;padding-left:18px}
.job li{font-size:14px;color:#3a3a3a;margin-bottom:4px}
.job p.solo{font-size:14px;color:#3a3a3a;margin-top:4px}
.two-col{display:grid;grid-template-columns:1.4fr 1fr;gap:30px}
@media(max-width:640px){.two-col{grid-template-columns:1fr;gap:0}}
.edu-item{margin-bottom:12px}
.edu-item .deg{font-size:14.5px;font-weight:800}
.edu-item .school{font-size:13.5px;color:#555}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.chip{font-size:12.5px;font-weight:700;color:var(--ink);background:var(--cream);border:1.5px solid var(--line);padding:5px 11px;border-radius:999px}
.lang-line{font-size:14px;color:#3a3a3a;margin-bottom:4px}
footer.cv{margin-top:30px;padding-top:16px;border-top:1px solid var(--line);font-size:12.5px;color:#9a9a9a;text-align:center}
footer.cv a{color:var(--accent-deep);text-decoration:none}

@media print{
  @page{margin:14mm}
  body{background:#fff}
  .topbar{display:none !important}
  .sheet{box-shadow:none;border:none;border-radius:0;margin:0;padding:0;max-width:100%}
  a{color:var(--ink);text-decoration:none}
  .job{break-inside:avoid}
}

/* =====================================================================
   Case-study detail pages (case-meta / case-meta-detail)
   ===================================================================== */
.cs-hero{padding:84px 0 40px;background:
  radial-gradient(1200px 380px at 80% -8%, rgba(162,89,255,.10), transparent 60%),
  radial-gradient(900px 360px at 0% 0%, rgba(26,188,254,.10), transparent 55%)}
.cs-hero .eyebrow{color:var(--purple)}
.cs-hero h1{font-size:clamp(34px,5.2vw,58px);line-height:1.04;letter-spacing:-.035em;font-weight:800;max-width:20ch;margin-top:10px}
.cs-hero .lede{font-size:clamp(17px,2vw,21px);color:#3a3a3a;margin-top:18px;max-width:62ch}
.meta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.meta-row .chip{background:#fff}
.crumbs{font-size:13px;color:var(--muted);font-weight:600;margin-bottom:6px}
.crumbs a{color:var(--accent-deep);text-decoration:none}

.cs-section{padding:30px 0}
.cs-narrow{max-width:780px}
.cs-block{background:var(--card);border:1.5px solid var(--line);border-radius:var(--r);padding:clamp(24px,3.4vw,40px);margin-bottom:24px}
.cs-block .top{display:flex;justify-content:space-between;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:4px}
.cs-block h2{font-size:clamp(23px,3vw,32px);font-weight:800;letter-spacing:-.03em;margin:6px 0 6px}
.cs-block .role{font-size:14px;color:var(--muted);margin-bottom:8px}
.cs-block p a{color:var(--accent-deep);text-decoration:underline;text-underline-offset:2px;text-decoration-thickness:1px;transition:color .14s ease}
.cs-block p a:hover{color:var(--ink)}
.impact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:6px 0 4px}
@media(max-width:760px){.impact-grid{grid-template-columns:1fr 1fr}}
@media(max-width:440px){.impact-grid{grid-template-columns:1fr}}
.impact-stat{background:linear-gradient(180deg,rgba(10,207,131,.06),rgba(26,188,254,.05));border:1.5px solid var(--line);border-radius:12px;padding:18px 16px}
.impact-stat .n{font-size:clamp(26px,3vw,34px);font-weight:900;letter-spacing:-.03em;line-height:1;
  background:linear-gradient(120deg,var(--green),var(--accent-deep));-webkit-background-clip:text;background-clip:text;color:transparent}
.impact-stat p{font-size:13px;color:#4a4a4a;margin:10px 0 0;line-height:1.4}
.cs-block h4{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:800;margin:18px 0 6px}
.cs-block p{font-size:15.5px;color:#33373b;margin-bottom:12px}
.cs-grid2{display:grid;grid-template-columns:1fr 1fr;gap:26px}
@media(max-width:720px){.cs-grid2{grid-template-columns:1fr;gap:0}}

/* status badges */
.badge{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;padding:6px 12px;border-radius:999px;border:1.5px solid}
.badge::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor}
.badge.shipped{color:var(--green);border-color:rgba(10,207,131,.4);background:rgba(10,207,131,.07)}
.badge.strategy{color:var(--purple);border-color:rgba(162,89,255,.4);background:rgba(162,89,255,.07)}

/* process steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:8px 0 6px}
@media(max-width:720px){.steps{grid-template-columns:1fr 1fr}}
.step{background:var(--cream);border:1.5px solid var(--line);border-radius:12px;padding:16px 16px 18px;position:relative}
.step .num{font-size:12px;font-weight:800;color:var(--accent-deep)}
.step .t{font-size:15px;font-weight:700;letter-spacing:-.01em;margin:6px 0 4px}
.step p{font-size:13px;color:#555;margin:0}

/* directional metric band */
.statband{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:14px 0 4px}
@media(max-width:720px){.statband{grid-template-columns:1fr}}
.statband .metric{min-width:0}
.statband .metric .n{font-size:24px}
.statband .note,.statband.note,p.note{font-size:11px;color:#9a9a9a;margin-top:12px;font-style:italic;line-height:1.45;white-space:nowrap}
@media(max-width:560px){.statband .note,.statband.note,p.note{white-space:normal}}

/* principles */
.principles{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:8px}
@media(max-width:720px){.principles{grid-template-columns:1fr}}
.principle{border:1.5px solid var(--line);border-left-width:4px;border-radius:12px;padding:18px 20px;background:#fff}
.principle:nth-child(4n+1){border-left-color:var(--red)}
.principle:nth-child(4n+2){border-left-color:var(--purple)}
.principle:nth-child(4n+3){border-left-color:var(--blue)}
.principle:nth-child(4n+4){border-left-color:var(--green)}
.principle .q{font-size:17px;font-weight:800;letter-spacing:-.02em;margin-bottom:4px}
.principle p{font-size:14px;color:#555;margin:0}

/* tag list */
.taglist{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 4px}
.taglist .chip{background:var(--cream)}

/* responsive video embed (product context) */
.video-embed{margin:18px 0 6px}
.video-embed .frame16x9{position:relative;width:100%;aspect-ratio:16/9;border-radius:var(--r);overflow:hidden;border:1.5px solid var(--line);background:#000}
.video-embed .frame16x9 iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-embed .vcap{font-size:12.5px;color:var(--muted);margin-top:8px;display:flex;align-items:center;gap:6px}
.video-embed .vcap b{color:var(--ink)}

/* small, secondary product-context video (below outcome) */
.context-video{display:flex;gap:16px;align-items:center;margin:18px 0 2px;padding:14px;background:var(--cream);border:1px solid var(--line);border-radius:12px}
.context-video .cv-frame{position:relative;flex:0 0 200px;width:200px;aspect-ratio:16/9;border-radius:8px;overflow:hidden;background:#000}
.context-video .cv-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.context-video .cv-note{font-size:12.5px;color:var(--muted);line-height:1.5;margin:0}
.context-video .cv-label{display:block;font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;font-weight:800;color:var(--accent-deep);margin-bottom:3px}
@media(max-width:560px){.context-video{flex-direction:column;align-items:flex-start}.context-video .cv-frame{flex:0 0 auto;width:100%}}

/* inline context callout with external link */
.context-link{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin:16px 0 2px;padding:14px 18px;
  background:var(--cream);border:1.5px solid var(--line);border-left:4px solid var(--accent);border-radius:12px}
.context-link .cl-txt{font-size:14px;color:#33373b}
.context-link .cl-txt b{color:var(--ink)}
.context-link a.cl-btn{margin-left:auto;white-space:nowrap;font-size:13.5px;font-weight:700;color:#fff;background:var(--ink);
  text-decoration:none;padding:9px 16px;border-radius:999px;transition:transform .14s ease,background .14s ease}
.context-link a.cl-btn:hover{transform:translateY(-1px);background:#000}
@media(max-width:560px){.context-link a.cl-btn{margin-left:0}}

/* gated lock screen */
.gate{min-height:62vh;display:flex;align-items:center;justify-content:center;padding:40px 0}
.gate-card{max-width:440px;width:100%;text-align:center;border:1.5px solid var(--line);border-radius:18px;padding:40px 34px;box-shadow:0 16px 50px rgba(0,0,0,.06)}
.gate-card .lock{font-size:30px}
.gate-card h2{font-size:24px;font-weight:800;letter-spacing:-.02em;margin:12px 0 8px}
.gate-card p{color:var(--muted);font-size:14.5px;margin-bottom:20px}
.gate-form{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.gate-form input{flex:1;min-width:200px;padding:13px 18px;border-radius:999px;border:1.5px solid var(--line);font-size:15px;font-family:inherit}
.gate-form input:focus{outline:none;border-color:var(--accent)}
.gate .err{color:var(--red);font-size:13.5px;font-weight:600;margin-top:14px;display:none}
.gate .hint{font-size:12.5px;color:#9a9a9a;margin-top:18px}
#lockedContent{display:none}
.ribbon{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;color:var(--accent-deep);background:rgba(26,188,254,.08);border:1.5px solid rgba(26,188,254,.3);padding:7px 14px;border-radius:999px;margin-bottom:8px}

/* gated case-study deck embed */
.deck-embed{margin-top:26px;border:1.5px solid var(--line);border-radius:16px;padding:22px;background:#fbfbfc}
.deck-head{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin-bottom:18px}
.deck-head .btn{white-space:nowrap;flex:0 0 auto}
.deck-frame{width:100%;height:560px;border:1.5px solid var(--line);border-radius:12px;background:#f2f2f4;display:block}
.deck-fallback{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;height:100%;text-align:center;color:var(--muted);font-size:14px;padding:30px}
@media(max-width:720px){.deck-frame{height:380px}.deck-head{flex-direction:column;align-items:flex-start}}