/* ============ FLEXA — shared styles ============ */
:root{
  --bg: #f7f8fb;
  --bg-2: #ffffff;
  --bg-3: #eef1f6;
  --ink: #0f172a;
  --ink-2: #334155;
  --ink-3: #64748b;
  --line: #e2e8f0;
  --line-2: #eef2f7;
  --accent: #2563eb;
  --accent-2: #1d4ed8;
  --accent-soft: #dbeafe;
  --coral: #ef6f5b;
  --coral-soft: #ffe5de;
  --teal: #0ea5a5;
  --teal-soft: #ccf2ee;
  --maxw: 1200px;
  --pad: clamp(20px, 4vw, 56px);
  --serif: 'IBM Plex Serif', Georgia, serif;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:var(--sans); font-size:16px; line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit; text-decoration:none}
img{max-width:100%; display:block}
p{margin:0 0 14px; color:var(--ink-2); text-wrap:pretty}
h1,h2,h3,h4{font-family:var(--serif); font-weight:600; letter-spacing:-0.015em; color:var(--ink); margin:0}

/* ============ NAV ============ */
.nav{
  position:sticky; top:0; z-index:50;
  backdrop-filter:saturate(140%) blur(10px);
  background: rgba(247,248,251,.85);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:var(--maxw); margin:0 auto; padding:14px var(--pad);
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.brand{display:flex; align-items:center; gap:10px; font-weight:600}
.brand-mark{
  width:32px; height:32px; border-radius:9px;
  background: linear-gradient(135deg, var(--accent), var(--coral));
  position:relative; flex-shrink:0;
}
.brand-mark::before{
  content:""; position:absolute; inset:7px; border-radius:4px; background:var(--bg);
}
.brand-mark::after{
  content:""; position:absolute; inset:11px; border-radius:2px;
  background: linear-gradient(135deg, var(--accent), var(--coral));
}
.brand-text{font-family:var(--serif); font-size:18px; font-weight:600}
.brand-text span{color:var(--ink-3); font-weight:400; font-size:14px}
.nav-links{display:flex; gap:2px; flex-wrap:wrap}
.nav-links a{
  padding:8px 12px; border-radius:8px; font-size:14px; color:var(--ink-2);
  transition:all .15s ease;
}
.nav-links a:hover{background:var(--bg-3); color:var(--ink)}
.nav-links a.active{background:var(--ink); color:var(--bg-2)}
.menu-btn{display:none; background:none; border:1px solid var(--line); border-radius:8px; padding:8px 12px; cursor:pointer; font-family:var(--sans); font-size:14px}
@media(max-width:1000px){
  .nav-links, .nav-cta{display:none}
  .menu-btn{display:block}
  .nav.open .nav-links{
    display:flex; flex-direction:column; position:absolute; top:100%; right:var(--pad);
    background:var(--bg-2); border:1px solid var(--line); border-radius:12px; padding:8px;
    box-shadow:0 10px 30px rgba(0,0,0,.06); min-width:220px;
  }
}

/* ============ COMMON ============ */
section{padding:clamp(60px,8vw,100px) var(--pad)}
.wrap{max-width:var(--maxw); margin:0 auto}
.eyebrow{
  font-family:var(--mono); font-size:12px; letter-spacing:.08em;
  text-transform:uppercase; color:var(--accent-2);
  display:inline-flex; align-items:center; gap:8px;
}
.eyebrow::before{content:""; width:8px; height:8px; border-radius:2px; background:var(--accent)}
h1{font-size:clamp(36px,5vw,60px); line-height:1.05; letter-spacing:-.025em}
h2{font-size:clamp(28px,3.4vw,42px); line-height:1.15}
h3{font-size:clamp(20px,2vw,24px); line-height:1.3}

.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:13px 22px; border-radius:10px; font-size:14px; font-weight:500;
  transition:all .2s ease; cursor:pointer; border:1px solid transparent;
  font-family:var(--sans);
}
.btn-primary{background:var(--ink); color:var(--bg-2)}
.btn-primary:hover{background:var(--accent-2)}
.btn-ghost{border-color:var(--line); color:var(--ink); background:var(--bg-2)}
.btn-ghost:hover{background:var(--bg-3); border-color:var(--ink-3)}
.btn-arrow{transition:transform .2s}
.btn:hover .btn-arrow{transform:translateX(3px)}

/* page hero */
.page-hero{
  padding:clamp(50px,6vw,80px) var(--pad) clamp(30px,4vw,48px);
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(ellipse at 90% 10%, var(--coral-soft), transparent 50%),
    radial-gradient(ellipse at 10% 90%, var(--accent-soft), transparent 55%),
    var(--bg);
}
.page-hero h1{font-size:clamp(32px,4.4vw,52px); margin:14px 0 18px}
.page-hero p{font-size:17px; max-width:65ch; color:var(--ink-2)}

/* cards */
.card{
  background:var(--bg-2); border:1px solid var(--line); border-radius:14px;
  padding:28px; transition: border-color .2s, transform .2s;
}
.card:hover{border-color:var(--ink-3)}
.card .label{
  font-family:var(--mono); font-size:11px; text-transform:uppercase;
  letter-spacing:.08em; color:var(--accent-2); margin-bottom:12px;
}
.card h3{margin-bottom:10px}
.card p{font-size:15px; margin:0}

.grid{display:grid; gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:900px){.grid-3{grid-template-columns:1fr}.grid-2{grid-template-columns:1fr}}

/* chips */
.chip-grid{display:flex; flex-wrap:wrap; gap:8px}
.chip{
  font-family:var(--mono); font-size:12px;
  padding:6px 12px; border-radius:999px;
  border:1px solid var(--line); color:var(--ink-2); background:var(--bg-2);
}
.chip.accent{background:var(--accent-soft); border-color:transparent; color:var(--accent-2)}
.chip.coral{background:var(--coral-soft); border-color:transparent; color:#9a3a2a}
.chip.teal{background:var(--teal-soft); border-color:transparent; color:#0b6b6b}

/* footer */
footer{
  background:var(--ink); color:#cbd5e1;
  padding:48px var(--pad) 32px;
}
.foot-inner{
  max-width:var(--maxw); margin:0 auto;
  display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px;
}
@media(max-width:700px){.foot-inner{grid-template-columns:1fr; gap:32px}}
footer h4{font-family:var(--serif); color:var(--bg-2); font-size:16px; margin-bottom:14px}
footer ul{list-style:none; padding:0; margin:0}
footer li{margin-bottom:8px; font-size:14px}
footer li a:hover{color:var(--bg-2)}
footer .brand-text{color:var(--bg-2)}
footer .brand-text span{color:#94a3b8}
.foot-bottom{
  max-width:var(--maxw); margin:32px auto 0; padding-top:24px;
  border-top:1px solid #1e293b;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;
  font-family:var(--mono); font-size:12px; color:#94a3b8;
}

/* section header */
.sec-head{text-align:center; margin-bottom:clamp(40px,5vw,64px)}
.sec-head h2{margin-top:14px}
.sec-head p{margin-top:14px; max-width:60ch; margin-left:auto; margin-right:auto}