/* ---------- typography ---------- */
  h1,h2,h3{font-family:var(--display); font-weight:700; line-height:1.04; letter-spacing:-.02em; margin:0}
  .h1{font-size:clamp(2.5rem,7vw,4.6rem); font-weight:800; letter-spacing:-.035em}
  .h2{font-size:clamp(2rem,4.6vw,3.1rem)}
  .h3{font-size:clamp(1.25rem,2.2vw,1.5rem)}
  p{margin:0}
  .lead{font-size:clamp(1.1rem,1.7vw,1.35rem); color:var(--fg-2); line-height:1.55}
  .kicker{
    font-family:var(--sans); font-weight:600; font-size:.8rem; letter-spacing:.16em;
    text-transform:uppercase; color:var(--accent); margin:0 0 16px;
    display:flex; align-items:center; gap:10px;
  }
  .kicker::before{content:""; width:22px; height:1.5px; background:var(--accent); display:inline-block}
  .muted{color:var(--muted)}
  .accent-text{color:var(--accent)}

  /* ---------- buttons ---------- */
  .btn{
    --b:var(--accent);
    display:inline-flex; align-items:center; justify-content:center; gap:10px;
    font-family:var(--sans); font-weight:600; font-size:1.02rem;
    padding:15px 26px; border-radius:var(--r-pill); border:1px solid transparent;
    cursor:pointer; text-decoration:none; white-space:nowrap;
    transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
    min-height:52px;
  }
  .btn-primary{background:linear-gradient(180deg,#d4f56c,var(--accent)); color:var(--accent-ink); box-shadow:0 1px 0 rgba(255,255,255,.45) inset,var(--glow)}
  .btn-primary:hover{transform:translateY(-2px); box-shadow:0 1px 0 rgba(255,255,255,.5) inset,0 0 0 1px rgba(198,242,78,.5),0 18px 50px -12px rgba(198,242,78,.55)}
  .btn-ghost{background:transparent; color:var(--fg); border-color:var(--line-strong)}
  .btn-ghost:hover{border-color:var(--accent); color:var(--accent); transform:translateY(-2px)}
  .btn:active{transform:translateY(0)}

  /* ---------- badges ---------- */
  .badge{
    display:inline-flex; align-items:center; gap:9px;
    padding:8px 15px; border-radius:var(--r-pill);
    border:1px solid var(--line-strong); background:rgba(255,255,255,.03);
    font-size:.84rem; font-weight:500; color:var(--fg-2); letter-spacing:.01em;
  }
  .dot{width:9px; height:9px; border-radius:50%; background:var(--accent); position:relative; flex:none}
  .dot::after{
    content:""; position:absolute; inset:0; border-radius:50%; background:var(--accent);
    animation:pulse 2s ease-out infinite;
  }
  @keyframes pulse{0%{transform:scale(1);opacity:.7}70%,100%{transform:scale(2.6);opacity:0}}

  /* ---------- header ---------- */
  header{
    position:sticky; top:0; z-index:100;
    backdrop-filter:saturate(140%) blur(14px);
    background:color-mix(in srgb, var(--bg) 72%, transparent);
    border-bottom:1px solid transparent;
    transition:border-color .3s ease, background .3s ease;
  }
  header.scrolled{border-bottom-color:var(--line); background:color-mix(in srgb, var(--bg) 88%, transparent)}
  .nav{display:flex; align-items:center; justify-content:space-between; height:70px}
  .logo{display:flex; align-items:center; gap:11px; font-family:var(--display); font-weight:800; font-size:1.3rem; letter-spacing:-.02em; text-decoration:none}
  .logo .mark{width:30px; height:30px; flex:none}
  .nav-links{display:flex; align-items:center; gap:30px}
  .nav-links a.txt{text-decoration:none; color:var(--muted); font-size:.95rem; font-weight:500; transition:color .15s ease}
  .nav-links a.txt:hover{color:var(--fg)}
  @media (max-width:720px){.nav-links a.txt{display:none} .nav-links a.txt.keep{display:inline-block}}
  @media (max-width:720px){.nav-links a.signin{display:inline-block}}