:root{
  --brand:#4F46E5; --brand-dark:#4338CA; --brand-tint:#EEF2FF; --brand-line:#C7D2FE;
  --safe:#0F766E; --safe-tint:#ECFDF5; --safe-line:#A7F3D0;
  --ink:#0F172A; --body:#334155; --muted:#64748B; --border:#E2E8F0;
  --bg:#FFFFFF; --bg-alt:#F8FAFC; --card:#FFFFFF;
  --navy:#0B1224; --navy-2:#141C33;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06),0 1px 3px rgba(15,23,42,.10);
  --shadow-md:0 4px 6px rgba(15,23,42,.05),0 12px 28px rgba(15,23,42,.10);
  --shadow-lg:0 30px 60px -25px rgba(15,23,42,.35);
  --radius:14px;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --display:"Fraunces",Georgia,"Times New Roman",serif;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --brand:#818CF8; --brand-dark:#A5B4FC; --brand-tint:#1E1B4B; --brand-line:#3730A3;
  --safe:#5EEAD4; --safe-tint:#0B2A27; --safe-line:#134E4A;
  --ink:#F1F5F9; --body:#CBD5E1; --muted:#94A3B8; --border:#1E293B;
  --bg:#0B1120; --bg-alt:#0F172A; --card:#111A2E;}}
:root[data-theme="dark"]{
  --brand:#818CF8; --brand-dark:#A5B4FC; --brand-tint:#1E1B4B; --brand-line:#3730A3;
  --safe:#5EEAD4; --safe-tint:#0B2A27; --safe-line:#134E4A;
  --ink:#F1F5F9; --body:#CBD5E1; --muted:#94A3B8; --border:#1E293B;
  --bg:#0B1120; --bg-alt:#0F172A; --card:#111A2E;}
*,*::before,*::after{box-sizing:inherit}
html{scroll-behavior:smooth; scroll-padding-top:calc(76px + env(safe-area-inset-top,0px))}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0; font-family:var(--sans); color:var(--body); background:var(--bg); line-height:1.65; letter-spacing:-.005em; -webkit-font-smoothing:antialiased}
h1,h2,h3,h4{color:var(--ink); letter-spacing:-.02em; line-height:1.25; margin:0}
p{margin:0}
a{color:var(--brand); text-decoration:none}
a:hover{color:var(--brand-dark)}
img{max-width:100%; display:block}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--brand); outline-offset:3px; border-radius:6px}
.container{max-width:1140px; margin:0 auto; padding:0 24px}
.icon{width:18px; height:18px; flex:none}

/* Navbar */
.navbar{position:sticky; top:0; z-index:50; background:var(--navy); box-shadow:0 1px 0 rgba(255,255,255,.06); padding-top:env(safe-area-inset-top,0px)}
.navbar .container{display:flex; align-items:center; height:64px; gap:28px}
.brand{color:#fff; font-weight:800; font-size:1.12rem; letter-spacing:-.02em}
.brand:hover{color:#fff}
.brand span{color:#A5B4FC}
.nav-links{display:flex; gap:4px; margin-left:auto}
.nav-links a{color:rgba(255,255,255,.72); font-size:.94rem; font-weight:500; padding:8px 12px; border-radius:8px}
.nav-links a:hover{color:#fff; background:rgba(255,255,255,.06)}
.nav-icons{display:flex; gap:4px; align-items:center}
.nav-icons a{color:rgba(255,255,255,.6); padding:8px; border-radius:8px; display:grid}
.nav-icons a:hover{color:#fff; background:rgba(255,255,255,.06)}
.nav-cta{background:var(--brand); color:#fff !important; font-weight:600; font-size:.9rem; padding:8px 16px; border-radius:8px}
.nav-cta:hover{background:#6366F1}
.toggler{display:none; margin-left:auto; background:none; border:1px solid rgba(255,255,255,.2); color:#fff; border-radius:8px; padding:6px 8px; cursor:pointer}
@media (max-width:900px){
  .toggler{display:grid}
  .nav-links{display:none; position:absolute; left:0; right:0; top:64px; flex-direction:column; background:var(--navy); padding:8px 16px 16px; border-top:1px solid rgba(255,255,255,.06)}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px}
  .nav-icons{display:none}
}

/* Hero */
.hero{position:relative; overflow:hidden; color:#fff; text-align:center; padding:88px 0 96px;
  background:
    radial-gradient(900px 480px at 85% 110%, rgba(79,70,229,.55), transparent 60%),
    radial-gradient(700px 420px at 10% -10%, rgba(13,148,136,.35), transparent 60%),
    linear-gradient(160deg,#0B1224 0%,#111a3a 55%,#1b1f4d 100%)}
.hero::before{content:""; position:absolute; inset:0; background-image:radial-gradient(rgba(255,255,255,.09) 1px, transparent 1px); background-size:22px 22px; -webkit-mask-image:radial-gradient(ellipse at center, #000 30%, transparent 75%); mask-image:radial-gradient(ellipse at center, #000 30%, transparent 75%); pointer-events:none}
.hero .container{position:relative}
.photo{width:176px; height:220px; margin:0 auto 30px; border-radius:18px; overflow:hidden; box-shadow:0 24px 48px -12px rgba(0,0,0,.6), 0 0 0 1px rgba(255,255,255,.12); background:#222}
.photo img{width:100%; height:100%; object-fit:cover}
.hero h1{font-family:var(--display); font-weight:500; color:#fff; font-size:clamp(2.6rem,6vw,4.1rem); letter-spacing:-.015em; line-height:1.05; margin-bottom:12px}
.role{display:inline-flex; gap:10px; align-items:center; flex-wrap:wrap; justify-content:center; margin-bottom:22px}
.pill{font-size:.85rem; font-weight:600; padding:6px 14px; border-radius:999px; background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.16); color:#E0E7FF}
.pill.teal{background:rgba(20,184,166,.14); border-color:rgba(94,234,212,.35); color:#99F6E4}
.hero .lede{max-width:620px; margin:0 auto 34px; color:rgba(226,232,240,.85); font-size:1.12rem; line-height:1.7}
.hero-actions{display:flex; gap:12px; justify-content:center; flex-wrap:wrap}
.btn{display:inline-flex; align-items:center; gap:8px; font:inherit; font-weight:600; font-size:.95rem; padding:12px 22px; border-radius:10px; border:1px solid transparent; cursor:pointer; transition:transform .15s ease, background .15s ease, color .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--brand); color:#fff}
.btn-primary:hover{background:var(--brand-dark); color:#fff}
.hero .btn-primary{background:#fff; color:var(--navy)}
.hero .btn-primary:hover{background:#E0E7FF; color:var(--navy)}
.btn-ghost{background:rgba(255,255,255,.06); border-color:rgba(255,255,255,.22); color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12); color:#fff}
.btn-outline{background:var(--card); border-color:var(--border); color:var(--ink); box-shadow:var(--shadow-sm)}
.btn-outline:hover{border-color:var(--brand); color:var(--brand)}
.hero-in > *{opacity:0; transform:translateY(12px); animation:up .7s cubic-bezier(.2,.7,.2,1) forwards}
.hero-in > *:nth-child(2){animation-delay:.08s}.hero-in > *:nth-child(3){animation-delay:.14s}.hero-in > *:nth-child(4){animation-delay:.2s}.hero-in > *:nth-child(5){animation-delay:.26s}
@keyframes up{to{opacity:1; transform:none}}
@media (prefers-reduced-motion:reduce){.hero-in > *{animation:none; opacity:1; transform:none}}

/* Metrics strip */
.metrics{background:var(--bg); border-bottom:1px solid var(--border)}
.metrics .container{display:grid; grid-template-columns:repeat(4,1fr)}
.metric{padding:30px 20px; text-align:center; border-left:1px solid var(--border)}
.metric:first-child{border-left:0}
.metric b{display:block; font-family:var(--display); font-weight:600; font-size:2.1rem; color:var(--ink); letter-spacing:-.02em; line-height:1.1}
.metric span{font-size:.88rem; color:var(--muted)}
@media (max-width:760px){.metrics .container{grid-template-columns:1fr 1fr} .metric:nth-child(3){border-left:0} .metric:nth-child(n+3){border-top:1px solid var(--border)}}

/* Sections */
.section{padding:96px 0}
.section.alt{background:var(--bg-alt); border-top:1px solid var(--border); border-bottom:1px solid var(--border)}
.title{text-align:center; max-width:640px; margin:0 auto 56px}
.title h2{font-family:var(--display); font-weight:500; font-size:clamp(2.1rem,4.5vw,2.9rem); letter-spacing:-.01em}
.title h2::after{content:""; display:block; width:36px; height:3px; margin:16px auto 0; border-radius:999px; background:linear-gradient(90deg,var(--brand),#14B8A6)}
.title p{margin-top:16px; color:var(--muted); font-size:1.05rem}

/* About */
.about{display:grid; grid-template-columns:1.35fr 1fr; gap:48px; align-items:start}
.about .lead{font-size:1.18rem; color:var(--ink); line-height:1.7; margin-bottom:18px}
.about p + p{margin-top:14px}
.about .actions{display:flex; gap:12px; margin-top:28px; flex-wrap:wrap}
.glance{background:var(--card); border:1px solid var(--border); border-radius:var(--radius); box-shadow:var(--shadow-md); padding:26px 28px}
.glance h3{font-size:1rem; font-weight:700; margin-bottom:6px; display:flex; align-items:center; gap:8px}
.glance h3 .dot{width:8px; height:8px; border-radius:50%; background:#14B8A6; box-shadow:0 0 0 4px rgba(20,184,166,.18)}
.glance dl{margin:0}
.glance dl div{padding:12px 0; border-bottom:1px solid var(--border)}
.glance dl div:last-child{border-bottom:0; padding-bottom:0}
.glance dt{font-size:.78rem; font-weight:600; color:var(--muted); margin-bottom:2px}
.glance dd{margin:0; color:var(--ink); font-size:.95rem; font-weight:500}
@media (max-width:900px){.about{grid-template-columns:1fr}}

/* Expertise */
.expertise{display:grid; grid-template-columns:repeat(4,1fr); gap:20px}
.exp-card{background:var(--card); border:1px solid var(--border); border-radius:var(--radius); padding:26px 24px; box-shadow:var(--shadow-sm); transition:box-shadow .2s ease, transform .2s ease, border-color .2s ease}
.exp-card:hover{box-shadow:var(--shadow-md); transform:translateY(-2px); border-color:var(--brand-line)}
.exp-icon{width:44px; height:44px; border-radius:12px; display:grid; place-items:center; background:var(--brand-tint); color:var(--brand); margin-bottom:18px}
.exp-card:first-child .exp-icon{background:var(--safe-tint); color:var(--safe)}
.exp-card h3{font-size:1.05rem; font-weight:700; margin-bottom:8px}
.exp-card p{font-size:.93rem; color:var(--muted)}
@media (max-width:1000px){.expertise{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.expertise{grid-template-columns:1fr}}

/* Project cards shared */
.meta{display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-bottom:10px}
.badge{font-size:.72rem; font-weight:700; padding:4px 10px; border-radius:6px; background:var(--navy); color:#fff}
[data-theme="dark"] .badge{background:#312E81}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .badge{background:#312E81}}
.meta span{font-size:.82rem; color:var(--muted)}
.callout{border-radius:10px; padding:12px 14px; font-size:.9rem; line-height:1.55; display:flex; gap:10px; align-items:flex-start}
.callout svg{margin-top:2px}
.callout.impact{background:var(--brand-tint); border:1px solid var(--brand-line); color:var(--ink)}
.callout.impact svg{color:var(--brand)}
.callout.impact b{color:var(--brand)}
.callout.check{background:var(--safe-tint); border:1px solid var(--safe-line); color:var(--ink)}
.callout.check svg{color:var(--safe)}
.callout.check b{color:var(--safe)}
.tags{display:flex; flex-wrap:wrap; gap:6px; list-style:none; padding:0; margin:0}
.tags li{font-size:.76rem; font-weight:500; color:var(--muted); border:1px solid var(--border); background:var(--card); padding:3px 10px; border-radius:999px}
.card-links{display:flex; gap:10px; flex-wrap:wrap}
.card-links a{display:inline-flex; align-items:center; gap:6px; font-size:.88rem; font-weight:600; padding:8px 14px; border-radius:8px; border:1px solid var(--border); color:var(--ink); background:var(--card)}
.card-links a:hover{border-color:var(--brand); color:var(--brand)}
.card-links a.primary{background:var(--brand); border-color:var(--brand); color:#fff}
.card-links a.primary:hover{background:var(--brand-dark); color:#fff}

/* Featured */
.featured{display:grid; grid-template-columns:1fr 1fr; gap:0; background:var(--card); border:1px solid var(--border); border-radius:20px; box-shadow:var(--shadow-lg); overflow:hidden; margin-bottom:40px}
.featured .body{padding:40px; display:flex; flex-direction:column; gap:16px}
.featured h3{font-size:1.65rem; font-weight:700}
.featured .desc{color:var(--body)}
.featured .kpis{display:flex; gap:28px; flex-wrap:wrap}
.featured .kpis b{display:block; font-family:var(--display); font-size:2rem; font-weight:600; color:var(--ink); line-height:1.1}
.featured .kpis span{font-size:.85rem; color:var(--muted)}
.viewer{background:linear-gradient(160deg,#0B1224,#1b1f4d); padding:28px; display:flex; flex-direction:column; justify-content:center}
.viewer-head{display:flex; justify-content:space-between; align-items:center; margin-bottom:14px; gap:12px; flex-wrap:wrap}
.viewer-head p{color:#C7D2FE; font-size:.85rem}
.seg{display:inline-flex; background:rgba(255,255,255,.08); border-radius:10px; padding:4px}
.seg button{font:inherit; font-size:.82rem; font-weight:600; border:0; background:transparent; color:#C7D2FE; padding:7px 12px; border-radius:7px; cursor:pointer}
.seg button[aria-pressed="true"]{background:#fff; color:var(--navy)}
.compare{position:relative; aspect-ratio:1; border-radius:12px; overflow:hidden; --pos:50%; user-select:none; box-shadow:0 20px 40px -20px rgba(0,0,0,.6)}
.compare img{position:absolute; inset:0; width:100%; height:100%; object-fit:cover}
.compare .cam{clip-path:inset(0 0 0 var(--pos))}
.compare .divider{position:absolute; top:0; bottom:0; left:var(--pos); width:2px; background:#fff; transform:translateX(-1px); pointer-events:none}
.compare .knob{position:absolute; top:50%; left:var(--pos); width:42px; height:42px; border-radius:50%; background:#fff; color:var(--navy); transform:translate(-50%,-50%); display:grid; place-items:center; box-shadow:0 6px 16px rgba(0,0,0,.35); pointer-events:none}
.compare .lbl{position:absolute; top:12px; font-size:.75rem; font-weight:600; background:rgba(11,18,36,.72); color:#fff; padding:4px 10px; border-radius:999px; pointer-events:none}
.compare .l{left:12px}.compare .r{right:12px}
.compare input{position:absolute; inset:0; width:100%; height:100%; opacity:0; margin:0; cursor:ew-resize}
.verdict{display:flex; justify-content:space-between; gap:10px; margin-top:14px; font-size:.88rem; color:#C7D2FE; flex-wrap:wrap}
.verdict b{color:#fff}
.verdict .ok{color:#5EEAD4}.verdict .no{color:#FCA5A5}
@media (max-width:960px){.featured{grid-template-columns:1fr} .featured .body{padding:28px}}

/* Project grid */
.grid{display:grid; grid-template-columns:repeat(2,1fr); gap:28px}
.card{background:var(--card); border:1px solid var(--border); border-radius:var(--radius); box-shadow:var(--shadow-sm); overflow:hidden; display:flex; flex-direction:column; transition:box-shadow .2s ease, transform .2s ease}
.card:hover{box-shadow:var(--shadow-md); transform:translateY(-3px)}
.cover{aspect-ratio:16/9; background:#fff; border-bottom:1px solid var(--border); overflow:hidden; position:relative}
.cover img{width:100%; height:100%}
.cover.fit img{object-fit:contain; padding:12px}
.cover.shot img{object-fit:cover; object-position:top center}
.cover.map img{object-position:center 60%}
.cover.stat{display:flex; flex-direction:column; justify-content:flex-end; padding:26px 28px; color:#fff; border-bottom:0;
  background:radial-gradient(500px 260px at 100% 0%, rgba(20,184,166,.35), transparent 60%), linear-gradient(150deg,#0B1224,#1e1b4b)}
.cover.stat.v2{background:radial-gradient(500px 260px at 0% 0%, rgba(99,102,241,.5), transparent 60%), linear-gradient(150deg,#0B1224,#172554)}
.cover.stat.v3{background:radial-gradient(500px 260px at 100% 100%, rgba(20,184,166,.4), transparent 60%), linear-gradient(150deg,#0B1224,#134E4A)}
.cover.stat::before{content:""; position:absolute; inset:0; background-image:radial-gradient(rgba(255,255,255,.1) 1px, transparent 1px); background-size:18px 18px; -webkit-mask-image:linear-gradient(to bottom,#000,transparent 80%); mask-image:linear-gradient(to bottom,#000,transparent 80%)}
.cover.stat b{position:relative; font-family:var(--display); font-weight:500; font-size:3.4rem; line-height:1; letter-spacing:-.02em}
.cover.stat span{position:relative; color:#C7D2FE; font-size:.95rem; margin-top:6px}
.card .body{padding:24px 26px 26px; display:flex; flex-direction:column; gap:14px; flex:1}
.card h3{font-size:1.2rem; font-weight:700}
.card .desc{font-size:.95rem}
.card .card-links{margin-top:auto; padding-top:4px}
@media (max-width:860px){.grid{grid-template-columns:1fr}}

/* Experience */
.exp-wrap{display:grid; grid-template-columns:1.4fr 1fr; gap:48px}
.timeline{list-style:none; margin:0; padding:0; position:relative}
.timeline::before{content:""; position:absolute; left:19px; top:8px; bottom:8px; width:2px; background:var(--border)}
.timeline li{position:relative; padding:0 0 30px 60px}
.timeline li:last-child{padding-bottom:0}
.t-icon{position:absolute; left:0; top:0; width:40px; height:40px; border-radius:12px; display:grid; place-items:center; background:var(--card); border:1px solid var(--border); color:var(--brand); box-shadow:var(--shadow-sm)}
.timeline li:first-child .t-icon{background:var(--brand); color:#fff; border-color:var(--brand)}
.timeline .when{font-size:.82rem; font-weight:600; color:var(--muted)}
.timeline h3{font-size:1.08rem; font-weight:700; margin:2px 0 6px}
.timeline p{font-size:.94rem}
.skills{background:var(--card); border:1px solid var(--border); border-radius:var(--radius); box-shadow:var(--shadow-sm); padding:26px 28px; display:grid; gap:22px; align-content:start}
.skills h3{font-size:.95rem; font-weight:700; margin-bottom:10px}
@media (max-width:900px){.exp-wrap{grid-template-columns:1fr}}

/* Contact */
.contact{display:grid; grid-template-columns:1fr 1.2fr; gap:48px; align-items:start}
.contact-info h3{font-size:1.3rem; font-weight:700; margin-bottom:10px}
.contact-info > p{color:var(--muted); margin-bottom:24px}
.info-row{display:flex; align-items:center; gap:14px; padding:14px 0; border-top:1px solid var(--border)}
.info-row .ic{width:40px; height:40px; border-radius:10px; background:var(--brand-tint); color:var(--brand); display:grid; place-items:center; flex:none}
.info-row small{display:block; color:var(--muted); font-size:.78rem}
.info-row a, .info-row strong{color:var(--ink); font-weight:600; font-size:.96rem}
.info-row a:hover{color:var(--brand)}
.copy{margin-left:auto; font:inherit; font-size:.8rem; font-weight:600; padding:6px 10px; border-radius:8px; border:1px solid var(--border); background:var(--card); color:var(--ink); cursor:pointer}
.copy:hover{border-color:var(--brand); color:var(--brand)}
form.card{padding:28px; gap:0}
form.card .row{display:grid; grid-template-columns:1fr 1fr; gap:14px}
label{display:block; font-size:.85rem; font-weight:600; color:var(--ink); margin:0 0 6px}
input[type=text],input[type=email],textarea{width:100%; font:inherit; font-size:.95rem; color:var(--ink); background:var(--bg); border:1px solid var(--border); border-radius:10px; padding:11px 13px; margin-bottom:16px}
input:focus,textarea:focus{border-color:var(--brand); outline:none; box-shadow:0 0 0 3px rgba(79,70,229,.18)}
textarea{min-height:130px; resize:vertical}
.form-note{font-size:.82rem; color:var(--muted); margin-top:12px}
@media (max-width:900px){.contact{grid-template-columns:1fr} form.card .row{grid-template-columns:1fr; gap:0}}

footer{background:var(--navy); color:rgba(255,255,255,.6); text-align:center; padding:40px 0 36px; font-size:.9rem}
footer .top{display:inline-block; color:#fff; margin-bottom:18px}
footer .icons{display:flex; justify-content:center; gap:8px; margin-bottom:18px}
footer .icons a{color:rgba(255,255,255,.65); padding:8px; border-radius:8px; display:grid}
footer .icons a:hover{color:#fff; background:rgba(255,255,255,.06)}
footer .line{border-top:1px solid rgba(255,255,255,.08); padding-top:20px; margin-top:4px; display:flex; justify-content:center; gap:18px; flex-wrap:wrap}
footer button{font:inherit; background:none; border:0; color:rgba(255,255,255,.6); text-decoration:underline; text-underline-offset:3px; cursor:pointer; padding:0}
/* ---------- multi-page additions ---------- */
.nav-links a[aria-current="page"]{color:#fff; background:rgba(255,255,255,.08); box-shadow:inset 0 -2px 0 #818CF8}
.page{display:block}
.page-hero{position:relative; overflow:hidden; color:#fff; padding:76px 0 68px;
  background:radial-gradient(800px 380px at 90% 120%, rgba(79,70,229,.5), transparent 60%), radial-gradient(600px 320px at 0% -20%, rgba(13,148,136,.3), transparent 60%), linear-gradient(160deg,#0B1224 0%,#111a3a 60%,#1b1f4d 100%)}
.page-hero::before{content:""; position:absolute; inset:0; background-image:radial-gradient(rgba(255,255,255,.08) 1px, transparent 1px); background-size:22px 22px; -webkit-mask-image:radial-gradient(ellipse at center,#000 30%,transparent 75%); mask-image:radial-gradient(ellipse at center,#000 30%,transparent 75%); pointer-events:none}
.page-hero .container{position:relative}
.page-hero.center{text-align:center}
.page-hero h1{font-family:var(--display); font-weight:500; color:#fff; font-size:clamp(2.4rem,5vw,3.4rem); letter-spacing:-.01em; line-height:1.1}
.page-hero.center h1::after{content:""; display:block; width:36px; height:3px; margin:18px auto 0; border-radius:999px; background:linear-gradient(90deg,#818CF8,#2DD4BF)}
.page-hero p.sub{color:rgba(226,232,240,.85); font-size:1.1rem; max-width:640px; margin:18px auto 0; line-height:1.7}
.crumbs{display:flex; gap:8px; align-items:center; font-size:.88rem; color:#A5B4FC; margin-bottom:22px}
.crumbs a{color:#C7D2FE} .crumbs a:hover{color:#fff}
.case-hero h1{max-width:20ch}
.case-hero p.sub{margin:18px 0 0; max-width:680px}
.case-hero .meta span{color:#C7D2FE}
.case-hero .badge{background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.2)}
.kpi-row{display:grid; grid-template-columns:repeat(4,1fr); gap:0; margin-top:40px; background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.12); border-radius:14px; overflow:hidden}
.kpi-row div{padding:20px 22px; border-left:1px solid rgba(255,255,255,.12)}
.kpi-row div:first-child{border-left:0}
.kpi-row b{display:block; font-family:var(--display); font-size:1.9rem; font-weight:500; line-height:1.1; color:#fff}
.kpi-row span{font-size:.85rem; color:#C7D2FE}
@media (max-width:760px){.kpi-row{grid-template-columns:1fr 1fr} .kpi-row div:nth-child(3){border-left:0} .kpi-row div:nth-child(n+3){border-top:1px solid rgba(255,255,255,.12)}}
.hero-links{display:flex; gap:10px; flex-wrap:wrap; margin-top:28px}

/* case study body */
.case-layout{display:grid; grid-template-columns:minmax(0,1fr) 300px; gap:56px; align-items:start}
.facts-card{position:sticky; top:96px; background:var(--card); border:1px solid var(--border); border-radius:var(--radius); box-shadow:var(--shadow-md); padding:24px}
.facts-card h3{font-size:.95rem; font-weight:700; margin-bottom:4px}
.facts-card dl{margin:0 0 18px}
.facts-card dl div{padding:11px 0; border-bottom:1px solid var(--border)}
.facts-card dt{font-size:.78rem; font-weight:600; color:var(--muted)}
.facts-card dd{margin:2px 0 0; font-size:.92rem; color:var(--ink); font-weight:500}
.facts-card .card-links{flex-direction:column}
.facts-card .card-links a{justify-content:center}
.prose h2{font-family:var(--display); font-weight:500; font-size:1.9rem; letter-spacing:-.01em; margin:56px 0 16px}
.prose > h2:first-child{margin-top:0}
.prose h3{font-size:1.1rem; font-weight:700; margin:28px 0 8px}
.prose p{margin:0 0 16px; font-size:1.02rem; line-height:1.75}
.prose p.lead{font-size:1.15rem; color:var(--ink)}
.prose strong{color:var(--ink)}
.fig{margin:28px 0 8px}
.fig .frame img{background:#fff}
.fig figcaption{font-size:.88rem; color:var(--muted); margin-top:12px; font-style:normal; font-family:var(--sans)}
.fig-pair{display:grid; grid-template-columns:1fr 1fr; gap:20px}
@media (max-width:700px){.fig-pair{grid-template-columns:1fr}}
.table-wrap{overflow-x:auto; border:1px solid var(--border); border-radius:12px; background:var(--card); margin:20px 0 8px}
table{border-collapse:collapse; width:100%; font-size:.93rem; min-width:520px}
th,td{padding:12px 16px; text-align:left; border-bottom:1px solid var(--border)}
th{font-size:.8rem; font-weight:600; color:var(--muted); background:var(--bg-alt)}
tr:last-child td{border-bottom:0}
td{color:var(--ink)}
tr.best td{background:var(--brand-tint); font-weight:600}
.decisions{display:grid; grid-template-columns:1fr 1fr; gap:16px; margin:20px 0}
.decision{background:var(--card); border:1px solid var(--border); border-radius:12px; padding:18px 20px}
.decision h4{font-size:.98rem; font-weight:700; margin:0 0 6px}
.decision p{font-size:.92rem; margin:0; line-height:1.6; color:var(--body)}
@media (max-width:700px){.decisions{grid-template-columns:1fr}}
.check-panel{background:var(--safe-tint); border:1px solid var(--safe-line); border-radius:16px; padding:26px 28px; margin:24px 0}
.check-panel h3{display:flex; align-items:center; gap:10px; color:var(--safe); font-size:1.05rem; margin:0 0 12px}
.check-panel p{margin:0 0 12px; color:var(--ink); font-size:.98rem}
.check-panel p:last-child{margin-bottom:0}
.pipeline{display:grid; grid-template-columns:repeat(5,1fr); gap:10px; margin:24px 0 8px; counter-reset:step}
.pipeline div{background:var(--card); border:1px solid var(--border); border-radius:12px; padding:16px; position:relative; counter-increment:step}
.pipeline div::before{content:counter(step); display:grid; place-items:center; width:26px; height:26px; border-radius:8px; background:var(--brand); color:#fff; font-size:.8rem; font-weight:700; margin-bottom:10px}
.pipeline h4{font-size:.92rem; font-weight:700; margin:0 0 4px}
.pipeline p{font-size:.82rem; margin:0; color:var(--muted); line-height:1.5}
@media (max-width:900px){.pipeline{grid-template-columns:1fr 1fr}}
.next{display:flex; justify-content:space-between; align-items:center; gap:20px; margin-top:64px; padding:26px 28px; border:1px solid var(--border); border-radius:var(--radius); background:var(--card); box-shadow:var(--shadow-sm)}
.next small{display:block; color:var(--muted); font-size:.82rem}
.next strong{color:var(--ink); font-size:1.1rem}
.next:hover{border-color:var(--brand)}
@media (max-width:960px){.case-layout{grid-template-columns:1fr} .facts-card{position:static}}

/* projects page */
.filters{display:flex; gap:8px; flex-wrap:wrap; justify-content:center; margin:0 0 40px}
.filters button{font:inherit; font-size:.9rem; font-weight:600; padding:8px 16px; border-radius:999px; border:1px solid var(--border); background:var(--card); color:var(--body); cursor:pointer}
.filters button:hover{border-color:var(--brand); color:var(--brand)}
.filters button[aria-pressed="true"]{background:var(--brand); border-color:var(--brand); color:#fff}
.card[hidden]{display:none}
.grid.three{grid-template-columns:repeat(3,1fr)}
.grid.three .cover.stat b{font-size:2.8rem}
@media (max-width:1000px){.grid.three{grid-template-columns:1fr 1fr}}
@media (max-width:680px){.grid.three{grid-template-columns:1fr}}
.center-cta{text-align:center; margin-top:44px}

/* home intro + principles */
.principles{display:grid; grid-template-columns:repeat(2,1fr); gap:20px}
.principle{background:var(--card); border:1px solid var(--border); border-radius:var(--radius); padding:26px 28px; box-shadow:var(--shadow-sm)}
.principle h3{font-size:1.1rem; font-weight:700; margin:0 0 8px; display:flex; gap:10px; align-items:center}
.principle h3 svg{color:var(--safe)}
.principle p{font-size:.96rem; margin:0 0 14px}
.principle .proof{margin:0; font-size:.9rem; color:var(--ink); padding:10px 14px; background:var(--bg-alt); border-left:3px solid var(--safe); border-radius:0 8px 8px 0}
@media (max-width:760px){.principles{grid-template-columns:1fr}}

/* CTA band */
.cta-band{position:relative; overflow:hidden; border-radius:20px; padding:52px 48px; color:#fff; display:flex; align-items:center; justify-content:space-between; gap:28px; flex-wrap:wrap;
  background:radial-gradient(600px 300px at 100% 0%, rgba(20,184,166,.35), transparent 60%), linear-gradient(150deg,#0B1224,#1e1b4b)}
.cta-band h2{color:#fff; font-family:var(--display); font-weight:500; font-size:clamp(1.8rem,3.4vw,2.4rem); max-width:22ch}
.cta-band p{color:#C7D2FE; margin-top:10px; max-width:48ch}
.cta-band .btn-primary{background:#fff; color:var(--navy)} .cta-band .btn-primary:hover{background:#E0E7FF; color:var(--navy)}
.cta-band .btn-ghost{background:rgba(255,255,255,.06); border-color:rgba(255,255,255,.22); color:#fff}
.cta-band .actions{display:flex; gap:12px; flex-wrap:wrap}
.section.tight{padding:72px 0}
footer .top{background:none; border:0; font:inherit; cursor:pointer; padding:0}
footer .top:hover{text-decoration:underline; text-underline-offset:3px}
.prose .viewer{max-width:560px; border-radius:16px; margin:24px 0 8px}
/* ---------- v4: life ---------- */
.hero{position:relative}
#net{position:absolute; inset:0; width:100%; height:100%; opacity:.9; pointer-events:none}
.hero .container{position:relative; z-index:1}
.cover.stat{overflow:hidden}
.cover.stat .viz{position:absolute; inset:0; width:100%; height:100%; opacity:.95; transition:transform .5s ease}
.card:hover .cover.stat .viz{transform:scale(1.03)}
.cover.stat b,.cover.stat span{text-shadow:0 2px 12px rgba(0,0,0,.55)}
.cover.stat b{font-size:2.6rem}
.grid.three .cover.stat b{font-size:2.3rem}
.cover img{transition:transform .5s ease}
.card:hover .cover img{transform:scale(1.04)}
.radar{width:100%; max-width:230px; margin:6px auto 14px; display:block; color:var(--ink)}
.radar-note{font-size:.78rem; color:var(--muted); margin:0 0 4px}
.facts-card h3+h3, .facts-card .radar+h3{margin-top:10px; padding-top:16px; border-top:1px solid var(--border)}
.anim .card,.anim .exp-card,.anim .principle,.anim .decision,.anim .fig,.anim .check-panel{opacity:0; transform:translateY(16px); transition:opacity .6s ease, transform .6s cubic-bezier(.2,.7,.2,1), box-shadow .2s ease, border-color .2s ease}
.card.in,.exp-card.in,.principle.in,.decision.in,.fig.in,.check-panel.in{opacity:1; transform:none}
.card.in:hover{transform:translateY(-3px)} .exp-card.in:hover{transform:translateY(-2px)}
.no-anim .card,.no-anim .exp-card,.no-anim .principle,.no-anim .decision,.no-anim .fig,.no-anim .check-panel{opacity:1; transform:none; transition:none}
.grid .card:nth-child(2){transition-delay:.06s}.grid .card:nth-child(3){transition-delay:.12s}
.expertise .exp-card:nth-child(2){transition-delay:.06s}.expertise .exp-card:nth-child(3){transition-delay:.12s}.expertise .exp-card:nth-child(4){transition-delay:.18s}
.form-note a{font-weight:600}
.cover.stat::after{content:""; position:absolute; left:0; right:0; bottom:0; height:58%; background:linear-gradient(to top, rgba(11,18,36,.92), rgba(11,18,36,0)); pointer-events:none}
.cover.stat b,.cover.stat span{position:relative; z-index:1}
.cover.stat .viz{z-index:0}
/* ---------- v5: editorial polish ---------- */
/* chart covers: chart floats as a paper card on a tinted field */
.cover.fit{background:radial-gradient(120% 90% at 0% 0%, #E0E7FF 0%, transparent 55%), radial-gradient(120% 90% at 100% 100%, #CCFBF1 0%, transparent 55%), #F1F5F9; padding:18px 22px; border-bottom:1px solid var(--border)}
.cover.fit img{object-fit:contain; background:#fff; border-radius:10px; padding:8px; box-shadow:0 12px 30px -14px rgba(15,23,42,.35), 0 0 0 1px rgba(15,23,42,.05)}
/* screenshot covers: app window on a dark field */
.cover.shot{background:linear-gradient(150deg,#0B1224,#1e1b4b); padding:20px 22px 0; border-bottom:0}
.cover.shot img{border-radius:10px 10px 0 0; box-shadow:0 -2px 0 rgba(255,255,255,.08), 0 20px 40px -18px rgba(0,0,0,.6); object-fit:cover; object-position:top left}
.cover.shot::before{content:""; position:absolute; top:9px; left:26px; width:36px; height:6px; background:radial-gradient(circle at 3px 3px,#F87171 3px,transparent 3.5px),radial-gradient(circle at 15px 3px,#FBBF24 3px,transparent 3.5px),radial-gradient(circle at 27px 3px,#34D399 3px,transparent 3.5px); opacity:.85}
.cover.map img{object-position:center 60%}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .cover.fit{background:linear-gradient(150deg,#111a2e,#0f2a2a)}}
[data-theme="dark"] .cover.fit{background:linear-gradient(150deg,#111a2e,#0f2a2a)}
/* cursor spotlight */
.card,.featured,.exp-card{position:relative}
.card::after,.featured::after,.exp-card::after{content:""; position:absolute; inset:0; border-radius:inherit; pointer-events:none; opacity:0; transition:opacity .25s ease;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%), rgba(99,102,241,.10), transparent 45%); z-index:3}
.card:hover::after,.featured:hover::after,.exp-card:hover::after{opacity:1}
.card:hover{border-color:var(--brand-line)}
/* featured: gradient hairline border */
.featured{border:1px solid transparent; background:linear-gradient(var(--card),var(--card)) padding-box, linear-gradient(135deg,#818CF8,#E2E8F0 40%,#E2E8F0 60%,#2DD4BF) border-box}
.featured.flip{grid-template-columns:1fr 1fr}
@media (max-width:960px){.featured.flip .frontier{order:2}}
/* frontier widget */
.frontier{background:linear-gradient(160deg,#0B1224,#1b1f4d); padding:28px; display:flex; flex-direction:column; justify-content:center; color:#C7D2FE}
.prose .frontier{border-radius:16px; margin:24px 0 8px}
.frontier .viewer-head{display:flex; justify-content:space-between; align-items:center; gap:10px; flex-wrap:wrap; margin-bottom:10px}
.frontier .viewer-head p{font-size:.85rem; color:#C7D2FE}
.frontier .lam{font-size:.85rem; background:rgba(255,255,255,.08); border-radius:8px; padding:5px 10px}
.frontier .lam b{color:#fff}
.fplot{width:100%; height:auto; display:block}
.dial{display:grid; grid-template-columns:auto 1fr auto; gap:12px; align-items:center; font-size:.78rem; margin:6px 0 16px}
.dial input{appearance:none; -webkit-appearance:none; height:6px; border-radius:999px; background:linear-gradient(90deg,#818CF8,#2DD4BF); outline-offset:6px}
.dial input::-webkit-slider-thumb{-webkit-appearance:none; width:22px; height:22px; border-radius:50%; background:#fff; border:0; box-shadow:0 4px 12px rgba(0,0,0,.4); cursor:grab}
.dial input::-moz-range-thumb{width:22px; height:22px; border-radius:50%; background:#fff; border:0; box-shadow:0 4px 12px rgba(0,0,0,.4); cursor:grab}
.freads{display:grid; grid-template-columns:repeat(4,1fr); gap:0; background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.1); border-radius:12px; overflow:hidden}
.freads div{padding:12px 14px; border-left:1px solid rgba(255,255,255,.1)} .freads div:first-child{border-left:0}
.freads b{display:block; font-family:var(--display); font-weight:500; font-size:1.3rem; color:#fff; line-height:1.2}
.freads span{font-size:.74rem}
@media (max-width:560px){.freads{grid-template-columns:1fr 1fr} .freads div:nth-child(3){border-left:0} .freads div:nth-child(n+3){border-top:1px solid rgba(255,255,255,.1)}}
/* case hero with visual */
.case-grid{display:block}
.has-visual .case-grid{display:grid; grid-template-columns:1.1fr .9fr; gap:48px; align-items:center}
.hero-visual{perspective:1200px}
.hero-visual .frame{background:#fff; border-radius:14px; padding:8px; border:0; box-shadow:0 40px 80px -30px rgba(0,0,0,.7), 0 0 0 1px rgba(255,255,255,.1); transform:rotateY(-8deg) rotateX(4deg) rotate(1deg); transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.hero-visual .frame:hover{transform:none}
.hero-visual img{border-radius:8px; width:100%; max-height:340px; object-fit:contain; background:#fff}
@media (max-width:960px){.has-visual .case-grid{grid-template-columns:1fr} .hero-visual .frame{transform:none}}
@media (prefers-reduced-motion:reduce){.hero-visual .frame{transform:none}}
.prose .fig .frame img{max-height:640px; object-fit:contain}
/* ---------- skills page ---------- */
.skills-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:22px}
.skill-card{background:var(--card); border:1px solid var(--border); border-radius:var(--radius); padding:28px; box-shadow:var(--shadow-sm); display:flex; flex-direction:column; gap:12px; position:relative; transition:box-shadow .2s ease, border-color .2s ease, transform .2s ease}
.skill-card:hover{box-shadow:var(--shadow-md); border-color:var(--brand-line); transform:translateY(-2px)}
.skill-card .exp-icon{margin-bottom:4px}
.skill-card:nth-child(4) .exp-icon{background:var(--safe-tint); color:var(--safe)}
.skill-card h3{font-size:1.15rem; font-weight:700}
.skill-card p{font-size:.95rem; color:var(--body)}
.skill-card .tags li{font-size:.8rem; padding:4px 11px; color:var(--ink); background:var(--bg-alt)}
.used{display:flex; flex-wrap:wrap; gap:8px; align-items:center; margin-top:auto; padding-top:14px; border-top:1px solid var(--border); font-size:.85rem}
.used span{color:var(--muted); font-weight:600; margin-right:2px}
.used a{font-weight:600; padding:3px 10px; border-radius:6px; background:var(--brand-tint); color:var(--brand)}
.used a:hover{background:var(--brand); color:#fff}
@media (max-width:820px){.skills-grid{grid-template-columns:1fr}}
.expertise{grid-template-columns:repeat(3,1fr)}
@media (max-width:1000px){.expertise{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.expertise{grid-template-columns:1fr}}
.matrix-wrap{overflow-x:auto; background:var(--card); border:1px solid var(--border); border-radius:var(--radius); box-shadow:var(--shadow-sm)}
.matrix{min-width:760px; font-size:.9rem}
.matrix th,.matrix td{text-align:center; padding:14px 10px; border-bottom:1px solid var(--border)}
.matrix thead th{background:var(--bg-alt); font-size:.8rem; vertical-align:bottom}
.matrix thead th a{color:var(--ink); font-weight:600}
.matrix thead th a:hover{color:var(--brand)}
.matrix tbody th{text-align:left; font-weight:600; color:var(--ink); padding-left:22px; white-space:nowrap}
.matrix tr:last-child th,.matrix tr:last-child td{border-bottom:0}
.matrix tbody tr:hover td,.matrix tbody tr:hover th{background:var(--bg-alt)}
.dot{display:inline-block; width:14px; height:14px; border-radius:50%; background:linear-gradient(135deg,#6366F1,#14B8A6); box-shadow:0 0 0 4px rgba(99,102,241,.12)}
.nodot{display:inline-block; width:6px; height:6px; border-radius:50%; background:var(--border)}
.skills .btn{justify-self:start}