:root{
  --bg:#ffffff; --bg-alt:#f4f7fa; --surface:#ffffff; --text:#1c2733; --muted:#5b6b7b;
  --heading:#0d1b2a; --accent:#0ea5a4; --accent-2:#2563eb; --border:#e3e9ef;
  --hero-1:#0b1320; --hero-2:#112a46; --shadow:0 10px 30px rgba(13,27,42,.08);
  --radius:14px;
}
@media (prefers-color-scheme: dark){
  :root{--bg:#0b1320;--bg-alt:#0f1a2b;--surface:#132136;--text:#cdd7e2;--muted:#93a3b5;--heading:#fff;--border:#1f3250;--shadow:0 10px 30px rgba(0,0,0,.35)}
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:70px}
body{font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
ul{list-style:none}
h1,h2,h3,h4{font-family:"Space Grotesk",Inter,sans-serif;color:var(--heading);line-height:1.2}
.container{width:min(1140px,100% - 32px);margin-inline:auto}

/* Header */
#header{position:fixed;inset:0 0 auto 0;z-index:50;height:64px;transition:background .3s,box-shadow .3s}
#header.scrolled{background:rgba(11,19,32,.92);backdrop-filter:blur(10px);box-shadow:0 2px 20px rgba(0,0,0,.25)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:100%}
.brand{font-family:"Space Grotesk";font-size:1.4rem;font-weight:700;color:#fff}
.brand span{color:var(--accent)}
.brand:hover{text-decoration:none}
#navmenu ul{display:flex;gap:6px}
#navmenu a{color:#c9d5e3;padding:8px 14px;border-radius:999px;font-size:.92rem;font-weight:500;transition:.2s}
#navmenu a:hover,#navmenu a.active{color:#fff;background:rgba(14,165,164,.25);text-decoration:none}
#menu-toggle{display:none;background:none;border:0;color:#fff;font-size:2rem;cursor:pointer}

/* Hero */
#hero{position:relative;min-height:100vh;display:flex;align-items:center;color:#e8eef5;overflow:hidden;padding:110px 0 70px}
.hero-bg{position:absolute;inset:0;background:
  radial-gradient(900px 500px at 85% 20%,rgba(14,165,164,.28),transparent 60%),
  radial-gradient(700px 500px at 10% 90%,rgba(37,99,235,.25),transparent 60%),
  linear-gradient(135deg,var(--hero-1),var(--hero-2))}
.hero-bg::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(circle at 50% 40%,#000,transparent 75%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}
.eyebrow{color:var(--accent);font-weight:600;letter-spacing:.14em;text-transform:uppercase;font-size:.85rem}
#hero h1{font-size:clamp(2.8rem,7vw,4.6rem);color:#fff;margin:6px 0 10px}
.typed-line{font-size:clamp(1.2rem,3vw,1.7rem);font-weight:500;color:#fff}
#typed{color:var(--accent)}
.cursor{color:var(--accent);animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.lead{max-width:560px;margin:18px 0 28px;color:#b9c7d8;font-size:1.05rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:999px;font-weight:600;font-size:.95rem;border:2px solid transparent;cursor:pointer;transition:.2s;font-family:inherit}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:var(--accent);color:#04201f}
.btn-primary:hover{background:#13c2c0}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.social{display:flex;gap:12px;margin-top:28px}
.social a{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:rgba(255,255,255,.08);color:#fff;font-size:1.1rem;transition:.2s}
.social a:hover{background:var(--accent);color:#04201f;text-decoration:none}
.hero-photo{display:flex;justify-content:center}
.photo-ring{width:min(340px,80vw);aspect-ratio:1;border-radius:50%;padding:8px;background:conic-gradient(from 180deg,var(--accent),var(--accent-2),var(--accent));box-shadow:0 0 80px rgba(14,165,164,.3)}
.photo-ring img,.avatar-fallback{width:100%;height:100%;border-radius:50%;object-fit:cover;object-position:center 20%;background:#0f2238;display:block}
.avatar-fallback{display:grid;place-items:center;font-family:"Space Grotesk";font-size:6rem;font-weight:700;color:var(--accent)}

/* Sections */
.section{padding:90px 0}
.section.alt{background:var(--bg-alt)}
.section-title{text-align:center;margin-bottom:52px}
.section-title h2{font-size:2.2rem;position:relative;display:inline-block;padding-bottom:14px}
.section-title h2::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:56px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--accent),var(--accent-2))}
.section-title p{color:var(--muted);margin-top:12px}

/* About */
.about-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:start}
.about-card h3{font-size:1.6rem;margin-bottom:14px}
.about-card p{margin-bottom:14px;color:var(--muted)}
.about-card strong{color:var(--heading)}
.facts{margin-top:18px;display:grid;gap:8px}
.facts li{display:flex;align-items:center;gap:6px}
.facts i{color:var(--accent)}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px 18px;text-align:center;box-shadow:var(--shadow)}
.stat .count{font-family:"Space Grotesk";font-size:2.6rem;font-weight:700;color:var(--accent)}
.stat p{color:var(--muted);font-size:.9rem}

/* Skills */
.skills-grid,.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.skill-card,.service{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:.25s}
.skill-card:hover,.service:hover{transform:translateY(-6px);border-color:var(--accent)}
.skill-card>i,.service>i{display:grid;place-items:center;width:52px;height:52px;border-radius:12px;background:rgba(14,165,164,.14);color:var(--accent);font-size:1.5rem;margin-bottom:16px}
.skill-card h3,.service h3{font-size:1.2rem;margin-bottom:12px}
.service p{color:var(--muted);font-size:.95rem}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips span{background:var(--bg-alt);border:1px solid var(--border);color:var(--text);padding:4px 12px;border-radius:999px;font-size:.82rem;font-weight:500}
.chips.sm span{font-size:.75rem;padding:2px 10px}
.skills-note{text-align:center;color:var(--muted);margin-top:30px;font-size:.92rem}

/* Resume */
.resume-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:48px}
.col-title{font-size:1.45rem;margin-bottom:22px}
.col-title.mt{margin-top:40px}
.timeline{border-left:2px solid var(--accent);padding-left:26px}
.t-item{position:relative;margin-bottom:30px}
.t-item::before{content:"";position:absolute;left:-35px;top:6px;width:16px;height:16px;border-radius:50%;background:var(--bg);border:3px solid var(--accent)}
.t-date{display:inline-block;background:rgba(14,165,164,.14);color:var(--accent);font-weight:600;font-size:.8rem;padding:3px 12px;border-radius:999px;margin-bottom:8px}
.t-item h4{font-size:1.08rem}
.org{color:var(--accent-2);font-weight:600;font-size:.92rem;margin:2px 0 8px}
@media (prefers-color-scheme: dark){.org{color:#7fb0ff}}
.t-item ul{list-style:disc;padding-left:18px;color:var(--muted);font-size:.93rem}
.t-item li{margin-bottom:6px}

/* Work */
.filters{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:34px}
.filter{background:var(--surface);border:1px solid var(--border);color:var(--text);padding:8px 20px;border-radius:999px;cursor:pointer;font-weight:500;font-family:inherit;transition:.2s}
.filter:hover,.filter.active{background:var(--accent);border-color:var(--accent);color:#04201f}
.work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.work-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.25s}
.work-card:hover{transform:translateY(-6px)}
.work-card.hide{display:none}
.work-thumb{height:150px;display:grid;place-items:center;font-size:3.2rem;color:rgba(255,255,255,.92)}
.g1{background:linear-gradient(135deg,#0ea5a4,#2563eb)}.g2{background:linear-gradient(135deg,#7c3aed,#2563eb)}
.g3{background:linear-gradient(135deg,#0891b2,#10b981)}.g4{background:linear-gradient(135deg,#f59e0b,#ef4444)}
.g5{background:linear-gradient(135deg,#334155,#0ea5a4)}.g6{background:linear-gradient(135deg,#ec4899,#8b5cf6)}
.work-body{padding:22px}
.work-body h3{font-size:1.12rem;margin-bottom:8px}
.work-body p{color:var(--muted);font-size:.92rem;margin-bottom:14px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px}
.info-item{display:flex;gap:16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px;box-shadow:var(--shadow)}
.info-item i{display:grid;place-items:center;flex:none;width:48px;height:48px;border-radius:50%;background:rgba(14,165,164,.14);color:var(--accent);font-size:1.3rem}
.info-item h4{font-size:1rem}
.info-item p{color:var(--muted);font-size:.93rem}
#contact-form{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);display:grid;gap:14px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
#contact-form input,#contact-form textarea{width:100%;padding:12px 16px;border-radius:10px;border:1px solid var(--border);background:var(--bg);color:var(--text);font:inherit}
#contact-form input:focus,#contact-form textarea:focus{outline:2px solid var(--accent);border-color:transparent}
#contact-form .btn{justify-self:start}

/* Footer & to-top */
#footer{background:var(--hero-1);color:#9fb0c3;text-align:center;padding:28px 0;font-size:.9rem}
#footer strong{color:#fff}
#to-top{position:fixed;right:18px;bottom:-60px;width:44px;height:44px;border-radius:50%;background:var(--accent);color:#04201f;display:grid;place-items:center;font-size:1.6rem;z-index:40;transition:.3s}
#to-top.show{bottom:18px}
#to-top:hover{text-decoration:none;transform:translateY(-3px)}

/* Reveal */
[data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .7s,transform .7s}
[data-reveal].in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){[data-reveal]{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}.cursor{animation:none}}

/* Responsive */
@media (max-width:991px){
  .hero-grid,.about-grid,.resume-grid,.contact-grid{grid-template-columns:1fr}
  .hero-photo{order:-1}.photo-ring{width:220px}
  .skills-grid,.services-grid,.work-grid{grid-template-columns:1fr 1fr}
  #menu-toggle{display:block}
  #navmenu{position:fixed;inset:64px 0 auto 0;background:rgba(11,19,32,.98);max-height:0;overflow:hidden;transition:max-height .3s}
  #navmenu.open{max-height:420px}
  #navmenu ul{flex-direction:column;padding:12px 16px 20px}
  #navmenu a{display:block}
  #header{background:rgba(11,19,32,.92)}
}
@media (max-width:620px){
  .skills-grid,.services-grid,.work-grid,.row2{grid-template-columns:1fr}
  .section{padding:64px 0}
}