:root{--navy:#081a2d;--navy2:#0d2945;--blue:#1677ff;--text:#132239;--muted:#607089;--bg:#f7faff;--line:#dfe8f3;--white:#fff;--green:#12a465;--purple:#7b3ff2;--orange:#ff6b21}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--text);background:#fff;line-height:1.55}a{text-decoration:none;color:inherit}.topbar{position:sticky;top:0;z-index:30;height:72px;display:flex;align-items:center;padding:0 4%;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid #e8edf4}.brand{display:flex;align-items:center;gap:10px;min-width:260px}.logo{font-size:28px;font-weight:900;color:var(--blue)}.brand strong,.brand small{display:block}.brand small{font-size:11px;color:var(--muted)}.nav{display:flex;gap:28px;margin:auto}.nav a{font-size:14px;color:#26364e}.nav a:hover{color:var(--blue)}.actions{display:flex;align-items:center;gap:8px}.lang{border:0;background:none;cursor:pointer;font-weight:700;color:#8490a1}.lang.active{color:var(--blue)}.cv-btn{padding:10px 14px;border:1px solid var(--blue);border-radius:10px;color:var(--blue);font-size:13px;font-weight:700}.menu-btn{display:none;border:0;background:none;font-size:26px;cursor:pointer}.section-pad{padding:72px 5.2%}.hero{min-height:620px;background:linear-gradient(120deg,#061628 0%,#0a2642 55%,#0d3558 100%);color:#fff;display:grid;grid-template-columns:minmax(0,1.45fr) minmax(300px,.55fr);gap:60px;align-items:center}.eyebrow{font-size:12px;letter-spacing:.18em;font-weight:800;color:#4c9aff;margin:0 0 12px}.hero h1{font-size:64px;line-height:1;margin:0 0 8px}.hero h2{font-size:34px;margin:0 0 8px}.hero h2 span{color:#3a95ff}.roleline{font-size:20px;font-weight:700;margin:0 0 22px}.lead{font-size:18px;color:#d4dfeb;max-width:760px}.hero-cta,.contact-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;padding:13px 20px;border-radius:11px;font-weight:800}.primary{background:var(--blue);color:#fff}.secondary{border:1px solid #9fc2ec;color:#fff}.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}.chips span{font-size:12px;padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14)}.profile-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);padding:28px;border-radius:24px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.18)}.profile-card img{width:160px;height:160px;border-radius:50%;object-fit:cover;border:5px solid #fff}.profile-card h3{font-size:24px;margin:14px 0 4px}.profile-card p{margin:3px 0}.muted{color:#aec0d3}.mini-links{display:flex;justify-content:center;gap:10px;margin-top:18px}.mini-links a{background:#fff;color:var(--navy);padding:8px 12px;border-radius:9px;font-weight:700;font-size:13px}.light{background:var(--bg)}.section-head{max-width:900px;margin-bottom:32px}.section-head h2{font-size:36px;line-height:1.12;margin:0 0 12px}.section-head p:last-child{color:var(--muted)}.two-col{display:grid;grid-template-columns:1.1fr .9fr;gap:60px}.two-col>div>p{font-size:17px;color:#34445b}.strengths{display:grid;grid-template-columns:1fr 1fr;gap:14px}.strengths div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}.strengths b,.strengths small{display:block}.strengths b{font-size:17px}.strengths small{color:var(--muted);margin-top:4px}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.timeline article{position:relative;border:1px solid var(--line);border-radius:16px;padding:22px;background:#fff}.timeline 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h3{color:var(--orange)}.compact{padding-top:56px;padding-bottom:56px}.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}.tag-cloud span{background:#edf3fa;border:1px solid #dde8f5;padding:9px 12px;border-radius:999px;font-size:13px}.contact{background:linear-gradient(110deg,#07192b,#0b2d4e);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:30px}.contact h2{font-size:36px;margin:4px 0}.contact p{color:#c9d6e4}.lightbtn{border-color:#fff}footer{display:grid;grid-template-columns:1fr auto auto;gap:20px;align-items:center;padding:28px 5.2%;border-top:1px solid var(--line);background:#fff}footer strong,footer small{display:block}.footer-links{display:flex;gap:18px;font-size:13px;color:#4a5b72}@media(max-width:1050px){.nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;padding:20px 5%;flex-direction:column;border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(0,0,0,.08)}.nav.open{display:flex}.menu-btn{display:block;margin-left:auto}.actions{margin-left:14px}.hero{grid-template-columns:1fr}.profile-card{max-width:360px}.timeline{grid-template-columns:1fr 1fr}.cards.four{grid-template-columns:1fr 1fr}.topbar{padding:0 3%}.brand{min-width:auto}.brand span:last-child{display:none}}@media(max-width:720px){.section-pad{padding:52px 6%}.actions .cv-btn{display:none}.hero h1{font-size:44px}.hero h2{font-size:28px}.roleline{font-size:17px}.lead{font-size:16px}.two-col,.timeline,.cards.four{grid-template-columns:1fr}.strengths{grid-template-columns:1fr}.profile-card{justify-self:center}.contact{flex-direction:column;align-items:flex-start}footer{grid-template-columns:1fr}.footer-links{flex-wrap:wrap}.topbar{height:64px}.nav{top:64px}.logo{font-size:24px}}

/* AI project updates */
.cards.four{grid-template-columns:repeat(3,minmax(0,1fr))}.project{min-height:355px;transition:transform .2s ease,box-shadow .2s ease}.project:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(6,26,46,.09)}.ai-card{border-color:#b9d3f5;background:linear-gradient(155deg,#f6faff,#fff 70%)}.ai-card .icon{background:linear-gradient(135deg,#1677ff,#7945df)}.ai-card h3{color:#0d3e7e}@media(max-width:1000px){.cards.four{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:720px){.cards.four{grid-template-columns:1fr}.project{min-height:auto}}