:root{
  --bg:#0f1115; --ink:#eef5; --ink-strong:#fff; --ink-muted:#c9d1d9;
  --brand:#22c55e; --brand-ink:#0f2a17;
  --card:#1b1f28; --card-border:#2a2f3a;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;background:#f6f7f9;color:#111;font:16px/1.55 system-ui,Segoe UI,Roboto,Arial}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}

.container{max-width:1100px;margin:0 auto;padding:0 1rem}

/* HEADER */
.topbar{position:sticky;top:0;z-index:50;background:rgba(36,40,48,.9);backdrop-filter:blur(8px);border-bottom:1px solid #232833}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:56px}
.brand{font-weight:800;color:#fff;letter-spacing:.2px}
.nav{display:none;gap:1rem}
.nav a{color:#e6edf3;opacity:.9;padding:.4rem .6rem;border-radius:8px}
.nav a:hover,.nav a:focus{opacity:1;background:rgba(255,255,255,.06);outline:2px solid transparent}

.menu-btn{display:inline-flex;gap:.5rem;align-items:center;padding:.45rem .7rem;border-radius:10px;border:1px solid #303845;background:#2a303b;color:#fff}
.menu-btn svg{width:20px;height:20px}
.menu-btn:focus{outline:2px solid #8ab4ff;outline-offset:2px}

.drawer{position:fixed;inset:0;display:none}
.drawer.open{display:block}
.drawer .scrim{position:absolute;inset:0;background:rgba(0,0,0,.5)}
.drawer panel{position:absolute;right:0;top:0;height:100%;width:min(88vw,360px);background:#1c212b;color:#fff;box-shadow:-10px 0 30px rgba(0,0,0,.35);display:flex;flex-direction:column}
.drawer nav{display:flex;flex-direction:column;padding:16px}
.drawer nav a{padding:.8rem 1rem;border-radius:10px;border:1px solid transparent}
.drawer nav a:hover,.drawer nav a:focus{background:#222938;border-color:#2f3746}

/* show desktop menu ≥ 900px */
@media (min-width:900px){
  .menu-btn{display:none}
  .nav{display:flex}
}

/* HERO */
.hero{position:relative;background:linear-gradient(180deg,#fcfdfd, #f3f4f6)}
.hero .card{position:relative;max-width:1000px;margin:40px auto;border-radius:20px;padding:28px;background:#5b6676;color:#fff;
  box-shadow:0 20px 40px rgba(0,0,0,.15)}
.hero h1{margin:0 0 .35rem;font-weight:900;letter-spacing:.01em;
  font-size:clamp(28px,3.6vw,42px);line-height:1.15}
.hero p.sub{margin:.25rem 0 1rem;opacity:.95;font-weight:600}
.badges{display:flex;gap:.5rem;flex-wrap:wrap;margin:.5rem 0 0}
.badges .tag{background:#eef2f7;color:#111;padding:.35rem .6rem;border-radius:999px;font-weight:700;font-size:.85rem}

/* CTA buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.65rem 1rem;border-radius:12px;font-weight:800;border:2px solid transparent;cursor:pointer}
.btn-primary{background:var(--brand);color:#0b1b0f;border-color:transparent}
.btn-primary:hover{filter:brightness(.95)}
.btn-ghost{background:transparent;color:#fff;border-color:#9fb0c5}
.btn-ghost:hover{background:rgba(255,255,255,.08)}

/* FEATURES */
.section{padding:36px 0}
.grid{display:grid;gap:16px}
@media (min-width:750px){ .grid{grid-template-columns:repeat(3,1fr)} }
.card{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:18px;box-shadow:0 10px 24px rgba(0,0,0,.05)}
.card h3{margin:.25rem 0 .4rem;font-size:1.15rem}
.card p{color:#374151}

/* FOOTER */
footer{padding:32px 0;color:#6b7280;text-align:center}

/* a11y focus */
:focus-visible{outline:2px solid #8ab4ff;outline-offset:2px}
/* mobile drawer (fixed) */
.drawer{position:fixed;inset:0;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease;z-index:60}
.drawer.open{opacity:1;visibility:visible;pointer-events:auto}
.drawer .scrim{position:absolute;inset:0;background:rgba(0,0,0,.5)}
.drawer panel{position:absolute;right:0;top:0;height:100%;width:min(88vw,360px);background:#1c212b;color:#fff;box-shadow:-10px 0 30px rgba(0,0,0,.35);transform:translateX(100%);transition:transform .25s ease}
.drawer.open panel{transform:translateX(0)}
@media (min-width:900px){.drawer{display:none!important}}