:root{
  --bg: #ffffff;
  --text: #0f172a; /* slate-900 */
  --muted: #475569; /* slate-600 */
  --blue-50:#eff6ff;
  --blue-100:#dbeafe;
  --blue-200:#bfdbfe;
  --blue-300:#93c5fd;
  --blue-400:#60a5fa;
  --blue-500:#3b82f6;
  --blue-600:#2563eb;
  --blue-700:#1d4ed8;
  --ring: rgba(37, 99, 235, .35);
  --card:#f8fafc; /* slate-50 */
  --radius: 16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
}
img{max-width:100%; height:auto; display:block}

/* Layout helpers */
.container{max-width:1100px; margin-inline:auto; padding-inline:20px}
main{overflow-x:hidden}

/* Header / Nav */
.shadow-sm{box-shadow:0 1px 2px rgba(0,0,0,0.06)}
header{
  position:sticky; top:0; z-index:50; background:rgba(255,255,255,.95); backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid #e2e8f0;
}
.nav{display:flex; align-items:center; justify-content:space-between; height:64px; gap:16px}
.brand{display:flex; gap:10px; align-items:center; font-weight:700; letter-spacing:.2px}
.brand .logo{width:36px; height:36px; border-radius:10px; background:linear-gradient(135deg,var(--blue-600),var(--blue-400)); display:grid; place-items:center; color:white; font-weight:800}
nav ul{display:flex; align-items:center; gap:14px; list-style:none; padding:0; margin:0}
nav a{display:inline-block; padding:8px 12px; border-radius:10px; text-decoration:none; color:var(--text); font-weight:600}
nav a:hover, nav a.active{background:var(--blue-50); color:var(--blue-700)}
.menu-btn{display:none; border:1px solid #e2e8f0; padding:8px 10px; border-radius:10px; background:#fff}

/***** Hero *****/
.hero{padding:72px 0 36px; background:linear-gradient(180deg, var(--blue-50), transparent)}
.hero-inner{display:grid; grid-template-columns:1.2fr .8fr; gap:24px; align-items:stretch}
.eyebrow{display:inline-block; padding:6px 10px; background:var(--blue-100); color:var(--blue-700); font-weight:700; border-radius:999px; font-size:12px; letter-spacing:.3px}
 h1{font-size:38px; line-height:1.15; margin:12px 0 10px}
.subtitle{font-size:18px; color:var(--muted); margin-bottom:18px}
.cta{display:flex; gap:12px; flex-wrap:wrap}
.btn{appearance:none; border:none; border-radius:12px; padding:12px 16px; font-weight:700; cursor:pointer; text-decoration:none; display:inline-flex; align-items:center; gap:8px}
.btn.primary{background:var(--blue-600); color:#fff}
.btn.primary:hover{background:var(--blue-700)}
.btn.ghost{background:#fff; border:1px solid #e2e8f0; color:var(--text)}
.btn.ghost:hover{background:var(--blue-50)}
.hero-card{background:#fff; border:1px solid #e2e8f0; border-radius:var(--radius); padding:20px; height:100%}
.hero-card ul{margin:8px 0 0 18px}

/***** Sections *****/
section{padding:56px 0}
.section-head{display:flex; align-items:flex-end; justify-content:space-between; gap:12px; margin-bottom:18px}
.section-title{font-size:28px; margin:0}
.section-desc{color:var(--muted); font-size:14px; margin:0}

/***** Cards & grids *****/
.grid{display:grid; gap:16px; align-items:stretch}
.grid.cols-3{grid-template-columns:repeat(3, minmax(0,1fr))}
.grid.cols-2{grid-template-columns:repeat(2, minmax(0,1fr))}
.card{background:var(--card); border:1px solid #e2e8f0; border-radius:var(--radius); padding:18px; display:flex; flex-direction:column; height:100%}
.card h3{margin:0 0 8px; font-size:18px}
.card p{margin:0 0 10px; color:var(--muted)}
.card .tags{margin-top:auto}
.tags{display:flex; flex-wrap:wrap; gap:8px}
.tag{background:var(--blue-50); color:var(--blue-700); border:1px solid var(--blue-200); padding:4px 8px; border-radius:999px; font-size:12px; font-weight:700}

/***** Timeline *****/
.timeline{position:relative; padding-left:30px}
.timeline:before{content:""; position:absolute; left:12px; top:0; bottom:0; width:2px; background:var(--blue-200)}
.entry{position:relative; margin:0 0 16px; padding-left:6px}
.entry:before{content:""; position:absolute; left:-4px; top:6px; width:12px; height:12px; border-radius:50%; background:var(--blue-600); box-shadow:0 0 0 3px var(--blue-100)}
.entry h4{margin:0 0 4px}
.entry .meta{font-size:13px; color:var(--muted)}

/***** Contact *****/
form{display:grid; gap:12px}
input, textarea{width:100%; padding:12px 14px; border-radius:12px; border:1px solid #e2e8f0; font:inherit}
input:focus, textarea:focus{outline:none; box-shadow:0 0 0 4px var(--ring); border-color:var(--blue-400)}
textarea{min-height:130px; resize:vertical}

/***** Footer *****/
footer{padding:28px 0 40px; border-top:1px solid #e2e8f0; color:var(--muted)}

/***** Anchor offset fix for sticky header *****/
.anchor{position:relative; top:-74px; visibility:hidden}

/***** Responsive *****/
@media (max-width: 1024px){
  .grid.cols-3{grid-template-columns:repeat(2, minmax(0,1fr))}
}
@media (max-width: 900px){
  .hero-inner{grid-template-columns:1fr; align-items:start}
  .grid.cols-3{grid-template-columns:1fr}
  .grid.cols-2{grid-template-columns:1fr}
  /* Keep nav visible without JS on mobile */
  nav ul{display:flex; flex-wrap:wrap; position:static; background:transparent; border:none; padding:0; width:auto}
  .menu-btn{display:none}
}