*{box-sizing:border-box}
:root{--text:#1f2937;--muted:#64748b;--primary:#173b63;--primary-light:#e8eef5;--border:#d8dee7;--background:#f4f6f9;--card:#fff}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;color:var(--text);background:var(--background);line-height:1.65}
a{color:inherit}
.hero{background:var(--primary);color:#fff;padding:42px 24px}
.hero-inner{max-width:1100px;margin:auto;display:grid;grid-template-columns:150px 1fr;gap:32px;align-items:center}
.profile-photo{width:145px;height:145px;border-radius:50%;object-fit:cover;border:5px solid #fff;box-shadow:0 8px 25px rgba(0,0,0,.2)}
.identity h1{margin:0;font-size:clamp(2rem,5vw,3rem);line-height:1.1}
.identity h2{margin:8px 0 20px;font-size:1.3rem;font-weight:400}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px 40px}
.contact-grid p{margin:4px 0}
.container{max-width:1100px;margin:30px auto;padding:0 24px}
section{background:var(--card);padding:28px 32px;margin-bottom:22px;border-radius:12px;box-shadow:0 3px 14px rgba(15,23,42,.06)}
.section-title{margin:0 0 18px;color:var(--primary);font-size:1.55rem;border-bottom:2px solid var(--primary-light);padding-bottom:8px}
.simple-list{margin:0;padding-left:22px}
.simple-list li{margin:7px 0}
.tech-table{border:1px solid var(--border);border-radius:8px;overflow:hidden}
.tech-row{display:grid;grid-template-columns:230px 1fr;border-bottom:1px solid var(--border)}
.tech-row:last-child{border-bottom:0}
.tech-row>span{background:var(--primary-light);font-weight:700;padding:12px 16px}
.tech-row p{margin:0;padding:12px 16px}
.experience-card{border-left:4px solid var(--primary);padding:8px 0 8px 20px;margin-bottom:30px}
.experience-card:last-child{margin-bottom:0}
.experience-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}
.experience-head h3{margin:0;font-size:1.25rem}
.role{color:var(--muted);font-weight:600}
.dates{color:var(--muted);white-space:nowrap;font-weight:600}
.stack{color:var(--muted);margin:12px 0 0}
.signature{font-weight:700;margin-top:24px}
footer{text-align:center;color:var(--muted);padding:30px}
@media(max-width:700px){
.hero-inner{grid-template-columns:1fr;text-align:center;justify-items:center}
.contact-grid{grid-template-columns:1fr;text-align:left}
.container{padding:0 12px}
section{padding:22px 18px}
.tech-row{grid-template-columns:1fr}
.experience-head{flex-direction:column;gap:4px}
.dates{white-space:normal}
}

.certificate-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.certificate-card{display:flex;align-items:center;gap:16px;padding:20px;border:1px solid var(--border);border-radius:10px;background:#fff}
.certificate-icon{width:58px;height:58px;flex:0 0 58px;border-radius:10px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px}
.certificate-card h3{margin:0;font-size:1.05rem}
.certificate-card p{margin:4px 0 0;color:var(--muted)}
@media(max-width:700px){.certificate-grid{grid-template-columns:1fr}}