*{margin:0;padding:0;box-sizing:border-box}

:root{
  --bg:#f7f9fc;
  --white:#ffffff;
  --surface:#ffffff;
  --surface-soft:#f9fbfd;
  --text:#162033;
  --text-strong:#0d1728;
  --muted:#68758a;
  --muted-light:#8b96a8;
  --line:#e3e8ef;
  --line-strong:#d6dde7;
  --accent:#087f6b;
  --accent-dark:#066653;
  --accent-soft:#e9f7f4;
  --blue:#315fba;
  --max:1180px;
  --radius:18px;
  --shadow:0 10px 30px rgba(25,42,70,.06);
  --shadow-hover:0 18px 42px rgba(25,42,70,.11);
}

html{scroll-behavior:smooth}
body{font-family:"Inter",sans-serif;background:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit}
.container{width:min(calc(100% - 40px),var(--max));margin-inline:auto}

/* Header */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(16px);
}
.navbar{min-height:76px;display:flex;align-items:center;justify-content:space-between}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:1.1rem;letter-spacing:-.035em}
.brand-mark{
  display:grid;place-items:center;width:36px;height:36px;
  border:1px solid #b9dcd5;border-radius:10px;
  color:var(--accent);background:var(--accent-soft);
  font:600 .76rem "JetBrains Mono",monospace
}
.brand-dot{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:28px;font-size:.88rem;color:var(--muted)}
.nav-links a{transition:color .2s ease}
.nav-links a:hover{color:var(--text-strong)}
.nav-github{
  display:inline-flex;align-items:center;gap:7px;
  border:1px solid var(--line-strong);padding:9px 14px;border-radius:10px;
  color:var(--text-strong)!important;background:var(--white)
}
.menu-toggle{display:none;background:none;border:0;color:var(--text-strong);font-size:1.3rem;cursor:pointer}

/* Hero */
.hero{
  min-height:650px;display:grid;align-items:center;position:relative;overflow:hidden;
  background:var(--white);border-bottom:1px solid var(--line)
}
.hero-grid{
  position:absolute;inset:0;opacity:.6;
  background-image:linear-gradient(#edf1f5 1px,transparent 1px),linear-gradient(90deg,#edf1f5 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(to bottom,black 0%,transparent 80%)
}
.hero-orb{position:absolute;border-radius:50%;pointer-events:none}
.hero-orb-one{width:520px;height:520px;right:-180px;top:-260px;background:rgba(8,127,107,.07)}
.hero-orb-two{width:330px;height:330px;left:-220px;bottom:-230px;background:rgba(49,95,186,.045)}
.hero-content{position:relative;padding:105px 0}
.eyebrow,.section-label{
  color:var(--accent);font:600 .72rem "JetBrains Mono",monospace;
  letter-spacing:.13em;text-transform:uppercase
}
.eyebrow{display:flex;align-items:center;gap:9px;margin-bottom:22px}
.eyebrow span{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 14px rgba(8,127,107,.3)}
h1{
  max-width:920px;color:var(--text-strong);
  font-size:clamp(3.1rem,7vw,6.3rem);line-height:.98;letter-spacing:-.068em
}
h1 strong{font-weight:800;color:var(--accent)}
.hero-text{max-width:730px;margin-top:30px;color:var(--muted);font-size:1.06rem}
.hero-text strong{color:var(--text-strong)}
.hero-actions{display:flex;gap:12px;margin-top:34px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 18px;border-radius:11px;font-weight:700;font-size:.88rem;
  transition:transform .2s,box-shadow .2s,border-color .2s
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{color:#fff;background:var(--accent);box-shadow:0 7px 18px rgba(8,127,107,.18)}
.btn-primary:hover{background:var(--accent-dark);box-shadow:0 10px 22px rgba(8,127,107,.23)}
.btn-secondary{border:1px solid var(--line-strong);background:#fff;box-shadow:0 4px 12px rgba(25,42,70,.035)}
.hero-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:48px}
.hero-tags span{
  border:1px solid var(--line);background:rgba(255,255,255,.86);
  color:var(--muted);border-radius:999px;padding:7px 12px;font-size:.75rem
}

/* Trust strip */
.trust-strip{border-bottom:1px solid var(--line);background:#fbfcfe}
.trust-inner{
  min-height:62px;display:flex;align-items:center;justify-content:center;
  gap:18px;color:#8994a5;font:600 .65rem "JetBrains Mono",monospace;letter-spacing:.11em
}
.trust-inner i{width:4px;height:4px;border-radius:50%;background:#c3cad5}

/* Sections */
.section{padding:110px 0;border-bottom:1px solid var(--line)}
.section-label{margin-bottom:14px}
h2{font-size:clamp(2rem,4vw,3.55rem);line-height:1.06;letter-spacing:-.052em;color:var(--text-strong)}
h2 span{color:var(--accent)}
.two-column{display:grid;grid-template-columns:1fr 1fr;gap:80px}
.about-copy{color:var(--muted);font-size:1rem;max-width:580px}
.about-copy p+p{margin-top:18px}
.about-points{display:grid;gap:12px;margin-top:28px}
.about-points div{display:flex;align-items:center;gap:11px;color:var(--text);font-size:.86rem}
.about-points i{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-size:.62rem}

.section-heading{display:flex;align-items:end;justify-content:space-between;gap:50px;margin-bottom:44px}
.section-intro{max-width:450px;color:var(--muted);font-size:.92rem}

/* Project cards */
.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.project-card{
  min-height:340px;display:flex;flex-direction:column;padding:26px;
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--surface);box-shadow:var(--shadow);
  transition:transform .25s,border-color .25s,box-shadow .25s
}
.project-card:hover{transform:translateY(-6px);border-color:#b9dcd5;box-shadow:var(--shadow-hover)}
.project-top{display:flex;align-items:flex-start;justify-content:space-between}
.project-icon{
  width:50px;height:50px;display:grid;place-items:center;border-radius:13px;
  font-size:1.15rem
}
.project-number{color:#a0a9b7;font:600 .68rem "JetBrains Mono",monospace}
.icon-ai{color:#087f6b;background:#eaf8f5}
.icon-local{color:#315fba;background:#edf3ff}
.icon-automation{color:#8051a8;background:#f5effb}
.icon-python{color:#a27600;background:#fff8df}
.icon-rag{color:#147c9d;background:#eaf8fc}
.icon-architecture{color:#b34e62;background:#fff0f3}
.project-content{margin-top:29px}
.project-type{color:var(--accent);font:600 .65rem "JetBrains Mono",monospace;letter-spacing:.1em}
.project-card h3{margin:8px 0 10px;color:var(--text-strong);font-size:1.32rem;letter-spacing:-.028em}
.project-card p{color:var(--muted);font-size:.87rem;line-height:1.65}
.project-footer{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:auto;padding-top:25px;border-top:1px solid #edf0f4;
  color:var(--text-strong);font-size:.78rem;font-weight:700
}
.project-footer i{color:var(--accent)}

.github-banner{
  display:flex;align-items:center;gap:17px;margin-top:24px;padding:20px 22px;
  border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 5px 18px rgba(25,42,70,.04)
}
.github-logo{font-size:1.7rem;color:var(--text-strong)}
.github-copy strong{font-size:.88rem;color:var(--text-strong)}
.github-copy p{font-size:.78rem;color:var(--muted)}
.github-banner>a{margin-left:auto;display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-size:.8rem;font-weight:700;white-space:nowrap}

/* Expertise */
.expertise-section{background:#fff}
.expertise-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.expertise-card{padding:25px;border:1px solid var(--line);border-radius:16px;background:#fff}
.expertise-icon{
  width:44px;height:44px;display:grid;place-items:center;border-radius:11px;
  background:var(--accent-soft);color:var(--accent);margin-bottom:21px
}
.expertise-card h3{font-size:1rem;color:var(--text-strong);margin-bottom:8px}
.expertise-card p{color:var(--muted);font-size:.8rem;line-height:1.65}
.technology-list{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}
.technology-list span{
  display:inline-flex;align-items:center;gap:8px;padding:9px 13px;
  border:1px solid var(--line);border-radius:999px;color:var(--muted);
  background:#fbfcfe;font-size:.74rem
}
.technology-list i{color:var(--accent)}

/* Contact */
.contact-section{background:var(--bg)}
.contact-box{
  display:grid;grid-template-columns:1fr 1fr;gap:80px;padding:52px;
  border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:var(--shadow)
}
.contact-intro>p:last-child{color:var(--muted);max-width:510px;margin-top:19px;font-size:.94rem}
.contact-details{display:grid;gap:11px}
.contact-details>a{
  display:flex;align-items:center;gap:13px;padding:15px;
  border:1px solid var(--line);border-radius:12px;background:#fff;
  transition:border-color .2s,transform .2s
}
.contact-details>a:hover{border-color:#b9dcd5;transform:translateX(3px)}
.contact-icon{
  width:39px;height:39px;display:grid;place-items:center;
  border-radius:10px;background:var(--accent-soft);color:var(--accent);flex:none
}
.contact-details small{display:block;color:#8b96a8;font-size:.62rem;text-transform:uppercase;letter-spacing:.09em}
.contact-details span:nth-child(2){font-size:.83rem;color:var(--text-strong)}
.contact-arrow{margin-left:auto;color:#a4adba;font-size:.7rem}

/* Footer */
.site-footer{padding:34px 0;background:#fff}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
.footer-brand{color:var(--text-strong)}
.footer-inner p{font-size:.72rem;color:var(--muted);margin-top:7px}
.footer-right{display:flex;align-items:center;gap:18px;color:var(--muted);font-size:.73rem}
.footer-right a{font-size:1.18rem;color:var(--text-strong)}

/* Responsive */
@media(max-width:1000px){
  .project-grid{grid-template-columns:repeat(2,1fr)}
  .expertise-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .two-column,.contact-box{grid-template-columns:1fr;gap:38px}
  .section-heading{display:block}
  .section-intro{margin-top:18px}
}
@media(max-width:700px){
  .container{width:min(calc(100% - 28px),var(--max))}
  .menu-toggle{display:block}
  .nav-links{
    position:absolute;top:76px;left:14px;right:14px;
    display:none;flex-direction:column;align-items:stretch;padding:15px;
    border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:var(--shadow)
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:8px 5px}
  .hero{min-height:610px}
  .hero-content{padding:75px 0}
  .hero-text{font-size:.97rem}
  .trust-inner{gap:9px;justify-content:flex-start;overflow:hidden;white-space:nowrap}
  .trust-inner span{font-size:.56rem}
  .project-grid,.expertise-grid{grid-template-columns:1fr}
  .project-card{min-height:300px}
  .github-banner{align-items:flex-start;flex-wrap:wrap}
  .github-banner>a{margin-left:0;width:100%}
  .contact-box{padding:32px 22px}
  .footer-inner{flex-direction:column;align-items:flex-start}
}