:root{
  --primary:#1f4fd8;
  --primary-700:#1b44c2;
  --primary-50:#eaf0ff;
  --bg:#ffffff;
  --bg-2:#f9fafb;
  --text:#0f172a;
  --muted:#64748b;
  --border:#e5e7eb;
  --radius:16px;
  --shadow:0 16px 40px rgba(2,8,23,.10);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.65;
}

a{color:inherit}
.container{width:min(1100px,92%);margin-inline:auto}

img{max-width:100%;height:auto;display:block}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:12px 0;gap:16px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand__logo{width:44px;height:44px;border-radius:12px;object-fit:cover;border:1px solid var(--border);background:#fff}
.brand__name{font-weight:800;letter-spacing:-.02em;font-size:14px}
.brand__tag{font-size:12px;color:var(--muted)}

.nav__menu{display:flex;align-items:center;gap:14px}
.nav__link{padding:10px 10px;border-radius:999px;text-decoration:none;font-weight:600;color:var(--text);opacity:.85}
.nav__link:hover{background:var(--bg-2);opacity:1}
.nav__link.is-active{background:var(--primary-50);color:var(--primary);opacity:1}

.nav__toggle{display:none;appearance:none;border:1px solid var(--border);background:#fff;border-radius:12px;padding:10px;cursor:pointer}
.nav__toggle span{display:block;width:22px;height:2px;background:var(--text);margin:4px 0;border-radius:2px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 18px;border-radius:999px;font-weight:700;text-decoration:none;border:1px solid transparent;cursor:pointer}
.btn--primary{background:var(--primary);color:#fff;box-shadow:0 10px 22px rgba(31,79,216,.22)}
.btn--primary:hover{background:var(--primary-700)}
.btn--ghost{background:#fff;border-color:var(--border);color:var(--text)}
.btn--ghost:hover{background:var(--bg-2)}

/* Sections */
.section{padding:72px 0}
.section.alt{background:var(--bg-2)}
.kicker{color:var(--primary);font-weight:800;letter-spacing:.08em;text-transform:uppercase;font-size:12px}
.h1{font-size:clamp(30px,4vw,46px);letter-spacing:-.04em;line-height:1.15;margin:10px 0 12px}
.h2{font-size:clamp(22px,3vw,32px);letter-spacing:-.03em;margin:0 0 14px}
.lead{color:var(--muted);max-width:70ch;margin:0 0 18px}
.small{color:var(--muted);font-size:14px}

/* Hero */
.hero{background:linear-gradient(180deg,var(--primary-50),#fff);padding:56px 0 36px}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center}
.hero-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.hero-media{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:#fff}
.hero-media img{width:100%;max-height:420px;object-fit:cover}

/* Cards & grids */
.grid{display:grid;gap:16px}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.card-title{font-weight:800;margin:0 0 6px}
.card-text{color:var(--muted);margin:0}

/* Board */
.profile{display:flex;flex-direction:column;gap:10px;align-items:center;text-align:center}
.profile img{width:160px;aspect-ratio:1/1;object-fit:cover;border-radius:999px;border:1px solid var(--border);background:#fff}
.profile .role{color:var(--primary);font-weight:800;font-size:12px;letter-spacing:.08em;text-transform:uppercase}
.profile .name{font-weight:800}
.profile .desc{color:var(--muted);font-size:14px;margin:0}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.form{display:grid;gap:12px}
.input, textarea{
  width:100%;padding:12px 14px;border:1px solid var(--border);
  border-radius:14px;font:inherit;background:#fff;outline:none
}
.input:focus, textarea:focus{border-color:rgba(31,79,216,.5);box-shadow:0 0 0 4px rgba(31,79,216,.12)}
textarea{min-height:140px;resize:vertical}

/* Footer */
.site-footer{background:#0b1220;color:#e5e7eb;padding:44px 0 18px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:18px}
.footer-title{font-weight:800;margin:0 0 10px}
.footer-text{color:rgba(229,231,235,.82);max-width:54ch}
.footer-list{list-style:none;padding:0;margin:0;display:grid;gap:8px;color:rgba(229,231,235,.82)}
.footer-list a{color:#c7d2fe;text-decoration:none}
.footer-list a:hover{text-decoration:underline}
.footer-badges{margin-top:12px;display:flex;gap:10px;flex-wrap:wrap}
.badge{font-size:12px;border:1px solid rgba(229,231,235,.2);padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.05)}
.footer-bottom{margin-top:24px;padding-top:16px;border-top:1px solid rgba(229,231,235,.12);display:flex;gap:12px;justify-content:space-between;align-items:flex-start;flex-wrap:wrap}
.footer-small{color:rgba(229,231,235,.70);font-size:13px}

/* Responsive */
@media (max-width: 920px){
  .hero-grid{grid-template-columns:1fr}
  .grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .nav__menu{position:fixed;inset:64px 12px auto 12px;background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);padding:14px;display:none;flex-direction:column;align-items:stretch}
  .nav__menu.is-open{display:flex}
  .nav__toggle{display:block}
}

@media (max-width: 520px){
  .grid.cols-4,.grid.cols-3,.grid.cols-2{grid-template-columns:1fr}
  .brand__name{font-size:13px}
}