*{box-sizing:border-box}
html{scroll-behavior:smooth}
:root{
  --bg:#fafafa;
  --white:#ffffff;
  --text:#111827;
  --muted:#64748b;
  --line:#e5e7eb;
  --blue:#2563eb;
  --blue-light:#eff6ff;
}
body{
  margin:0;
  font-family:Inter,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
}
.container{
  width:min(1100px,calc(100% - 40px));
  margin:0 auto;
}
header{
  height:62px;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid #eeeeee;
  position:sticky;
  top:0;
  z-index:10;
}
.nav{
  height:62px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.brand{
  color:var(--text);
  text-decoration:none;
  font-size:15px;
  font-weight:600;
}
nav{
  display:flex;
  gap:28px;
}
nav a{
  color:#374151;
  text-decoration:none;
  font-size:14px;
}
nav a:hover{color:var(--blue)}
.hero{
  padding-top:72px;
  padding-bottom:68px;
}
.eyebrow{
  color:var(--blue);
  font-size:14px;
  font-weight:700;
  margin-bottom:22px;
}
.hero h1{
  margin:0;
  max-width:850px;
  font-size:56px;
  line-height:1.12;
  letter-spacing:-2.5px;
  font-weight:800;
}
.hero h1 span{color:var(--blue)}
.hero-copy{
  max-width:760px;
  margin:27px 0 0;
  color:#64748b;
  font-size:18px;
}
.actions{
  display:flex;
  gap:12px;
  margin-top:30px;
}
.button{
  display:inline-block;
  padding:12px 20px;
  border-radius:8px;
  text-decoration:none;
  font-size:14px;
  font-weight:600;
  border:1px solid #d1d5db;
}
.button.primary{
  background:var(--blue);
  color:#fff;
  border-color:var(--blue);
}
.button.secondary{
  color:var(--text);
  background:white;
}
.button:hover{transform:translateY(-1px)}
.metrics{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  padding-bottom:65px;
}
.metric{
  background:#fff;
  border-radius:12px;
  padding:28px 22px;
  box-shadow:0 5px 18px rgba(15,23,42,.07);
}
.metric strong{
  display:block;
  color:var(--blue);
  font-size:38px;
  line-height:1;
}
.metric span{
  display:block;
  margin-top:22px;
  font-size:14px;
  color:#111827;
}
.section{
  padding-top:50px;
  padding-bottom:18px;
}
.section h2{
  margin:0 0 22px;
  font-size:28px;
  line-height:1.2;
  letter-spacing:-.5px;
}
.section>p{
  max-width:1000px;
  font-size:15px;
  color:#1f2937;
}
.cards{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:18px;
}
.card{
  background:white;
  border-radius:12px;
  padding:27px;
  box-shadow:0 5px 18px rgba(15,23,42,.07);
}
.card-label{
  color:var(--blue);
  font-size:11px;
  font-weight:800;
  letter-spacing:.08em;
}
.card h3{
  margin:14px 0 12px;
  font-size:21px;
  line-height:1.25;
}
.card p{
  margin:0;
  color:#64748b;
  font-size:14px;
}
.tags{
  display:flex;
  flex-wrap:wrap;
  gap:7px;
  margin-top:20px;
}
.tags span{
  padding:5px 9px;
  border-radius:20px;
  background:#f3f4f6;
  color:#475569;
  font-size:11px;
}
.stories{
  border-top:1px solid var(--line);
}
.story{
  display:grid;
  grid-template-columns:55px 1fr;
  gap:20px;
  padding:25px 0;
  border-bottom:1px solid var(--line);
}
.story-number{
  color:#cbd5e1;
  font-size:22px;
  font-weight:700;
}
.story h3{
  margin:0 0 7px;
  font-size:19px;
}
.story p{
  margin:0;
  max-width:850px;
  color:#64748b;
  font-size:14px;
}
.tech-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.tech-grid>div{
  background:white;
  padding:25px;
}
.tech-grid h3{
  margin:0 0 8px;
  font-size:17px;
}
.tech-grid p{
  margin:0;
  color:#64748b;
  font-size:14px;
}
.timeline{
  border-left:2px solid #e5e7eb;
}
.timeline-item{
  position:relative;
  display:grid;
  grid-template-columns:155px 1fr;
  gap:25px;
  padding:0 0 38px 28px;
}
.timeline-item:before{
  content:"";
  position:absolute;
  left:-6px;
  top:5px;
  width:10px;
  height:10px;
  border-radius:50%;
  background:#cbd5e1;
}
.timeline-item.current:before{
  background:var(--blue);
}
.period{
  color:#64748b;
  font-size:13px;
  font-weight:600;
}
.timeline-item h3{
  margin:0;
  font-size:20px;
}
.role{
  margin:3px 0 7px;
  color:var(--blue);
  font-size:13px;
  font-weight:600;
}
.timeline-item p:last-child{
  margin:0;
  color:#64748b;
  font-size:14px;
}
.education-list{
  border-top:1px solid var(--line);
}
.education-list div{
  display:flex;
  justify-content:space-between;
  padding:17px 0;
  border-bottom:1px solid var(--line);
  font-size:14px;
}
.education-list span{color:#64748b}
.contact{
  padding-top:70px;
  padding-bottom:85px;
}
.contact p{
  color:#64748b;
  font-size:14px;
}
.contact-links{
  display:flex;
  gap:25px;
  flex-wrap:wrap;
  margin-top:20px;
}
.contact-links a{
  color:var(--blue);
  font-size:14px;
  font-weight:600;
}
footer{
  border-top:1px solid var(--line);
  background:#fff;
  padding:25px 0;
  color:#64748b;
  font-size:12px;
}
.footer-inner{
  display:flex;
  justify-content:space-between;
}
@media(max-width:800px){
  .hero h1{font-size:46px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .cards{grid-template-columns:1fr}
}
@media(max-width:600px){
  .container{width:calc(100% - 28px)}
  nav{gap:13px}
  nav a:nth-child(2),nav a:nth-child(3){display:none}
  .hero{padding-top:50px}
  .hero h1{font-size:39px;letter-spacing:-1.5px}
  .hero-copy{font-size:16px}
  .metrics{grid-template-columns:1fr 1fr;gap:12px}
  .metric{padding:20px 16px}
  .metric strong{font-size:31px}
  .metric span{margin-top:15px}
  .tech-grid{grid-template-columns:1fr}
  .timeline-item{grid-template-columns:1fr;gap:2px}
  .education-list div{display:block}
  .education-list span{display:block;margin-top:4px}
  .footer-inner{display:block}
  .footer-inner span+span{display:block;margin-top:5px}
}