:root{
  --bg:#f4f6fa;
  --bg-raised:#ffffff;
  --bg-sidebar:#1c2333;
  --ink:#1a2130;
  --ink-dim:#5a6478;
  --accent:#1f6feb;
  --accent-soft:rgba(31,111,235,.1);
  --line:#dfe4ee;
  --radius:10px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.6;
  min-height:100vh;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

.layout{display:flex;min-height:100vh}

/* Sidebar */
.sidebar{
  width:210px;flex-shrink:0;
  background:var(--bg-sidebar);
  padding:28px 20px;
  display:flex;flex-direction:column;
  position:sticky;top:0;height:100vh;
}
.brand{
  width:52px;height:52px;border-radius:12px;
  background:linear-gradient(135deg,#1f6feb,#7c5cff);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:20px;color:#fff;
  margin-bottom:28px;
}
.sidebar nav{display:flex;flex-direction:column;gap:4px}
.sidebar nav a{
  color:#aeb7cc;
  padding:10px 14px;border-radius:8px;
  font-weight:600;font-size:15px;
}
.sidebar nav a:hover{background:rgba(255,255,255,.08);color:#fff;text-decoration:none}
.sidebar nav a.active{background:rgba(31,111,235,.25);color:#fff}
.side-foot{margin-top:auto;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:14px}
.side-foot a{color:#aeb7cc}

/* Main */
main{flex:1;max-width:900px;padding:56px 48px;margin:0 auto;width:100%}

.hero h1{font-size:52px;font-weight:800;letter-spacing:-1px;line-height:1.1;color:var(--ink)}
.tagline{font-size:20px;color:var(--accent);font-weight:600;margin:10px 0 18px}
.intro{font-size:17px;color:var(--ink-dim);max-width:640px}
.page-head h1{font-size:38px;font-weight:800;letter-spacing:-.5px;color:var(--ink)}
.page-head .intro{margin-top:10px}

section{margin-top:44px}
section h2{font-size:24px;font-weight:700;margin-bottom:20px;padding-bottom:10px;border-bottom:2px solid var(--line);color:var(--ink)}

/* Timeline */
.timeline{position:relative;padding-left:28px}
.timeline::before{
  content:"";position:absolute;left:7px;top:6px;bottom:6px;
  width:2px;background:var(--line);border-radius:2px;
}
.t-item{position:relative;padding:0 0 28px 20px}
.t-item::before{
  content:"";position:absolute;left:-27px;top:7px;
  width:12px;height:12px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);
}
.t-year{
  font-size:13px;font-weight:700;color:var(--accent);
  text-transform:uppercase;letter-spacing:1.5px;margin-bottom:4px;
}
.t-body h3{font-size:18px;font-weight:700;margin-bottom:4px;color:var(--ink)}
.t-body p{color:var(--ink-dim);font-size:15px}

/* Cards */
.cards{display:grid;gap:20px}
.card{
  background:var(--bg-raised);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 26px;
  box-shadow:0 1px 3px rgba(20,30,50,.06);
}
.card h2{font-size:20px;border:none;padding:0;margin-bottom:4px;color:var(--ink)}
.card .meta{font-size:13px;color:var(--ink-dim);margin-bottom:10px;text-transform:uppercase;letter-spacing:1px}
.card p{color:var(--ink-dim);font-size:15px;margin-bottom:8px}
.card p:last-child{margin-bottom:0}
.card img{
  width:100%;height:auto;border-radius:8px;
  border:1px solid var(--line);
  margin:12px 0 4px;display:block;
}
.card .shot-cap{font-size:13px;color:var(--ink-dim);margin-top:6px}

footer{
  margin-top:64px;padding-top:20px;
  border-top:1px solid var(--line);
  color:var(--ink-dim);font-size:14px;
}

@media (max-width:720px){
  .layout{flex-direction:column}
  .sidebar{width:100%;height:auto;position:static;flex-direction:row;align-items:center;gap:16px;padding:14px 18px}
  .brand{margin:0;width:40px;height:40px;font-size:16px}
  .sidebar nav{flex-direction:row;flex:1}
  .side-foot{display:none}
  main{padding:32px 20px}
  .hero h1{font-size:36px}
}