:root{
  --bg:#0b1117; --fg:#e6eef7; --muted:#8aa0b8;
  --card:#0f1622; --border:#1a2736; --accent:#00e5ff; --accent-2:#7c3aed;
}
:root.light{ --bg:#f7fbff; --fg:#0b1225; --muted:#51607a; --card:#ffffff; --border:#e2e8f0; --accent:#0ea5e9; --accent-2:#7c3aed; }

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0; background:var(--bg); color:var(--fg);
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,'Helvetica Neue','Noto Sans',Arial,sans-serif;
  line-height:1.6; -webkit-font-smoothing:antialiased;
  -webkit-text-size-adjust:100%; -webkit-tap-highlight-color: transparent;
  padding-top: env(safe-area-inset-top); padding-bottom: env(safe-area-inset-bottom);
}

.page{ max-width:980px; padding:82px 16px 80px; margin:0 auto; }

/* NAV */
.nav{
  position:fixed; left:0; right:0; top:0;
  display:flex; justify-content:space-between; align-items:center;
  padding:12px 16px; background:linear-gradient(180deg, rgba(7,11,16,.85), rgba(7,11,16,0));
  backdrop-filter:saturate(140%) blur(6px); z-index:10;
  padding-left:max(12px, env(safe-area-inset-left));
  padding-right:max(12px, env(safe-area-inset-right));
}
.brand{font-weight:800; letter-spacing:.6px; display:flex; gap:8px; align-items:center}
.brand .bolt{margin-right:6px}
.links{display:flex; gap:10px; align-items:center; flex-wrap:nowrap}

.btn{
  display:inline-flex; align-items:center; gap:10px; text-decoration:none; padding:12px 16px;
  border-radius:14px; border:1px solid var(--border); color:var(--fg);
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
  transition: transform .15s ease, background .2s ease, border-color .2s ease;
  min-height:44px;
}
.btn:hover{ transform:translateY(-1px); background:linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.02)); border-color:#2a3a4e }
.btn.small{ padding:10px 14px; border-radius:12px; font-size:15px }
.btn.ghost{ background:transparent }
.only-mobile{ display:none; }

.projects{ position:relative }
.menu{
  position:absolute; top:52px; right:0; min-width:240px; padding:12px 0;
  border:1px solid var(--border); border-radius:14px; background:var(--card); box-shadow:0 20px 40px rgba(0,0,0,.28);
  max-height:60vh; overflow:auto; -webkit-overflow-scrolling:touch;
}
.menu[hidden]{ display:none }
.menu a{ display:block; padding:12px 16px; color:var(--fg); text-decoration:none; border-left:2px solid transparent }
.menu a:active{ background:rgba(255,255,255,.06) }
.menu a:hover{ background:rgba(255,255,255,.04); border-left-color: rgba(0,229,255,.55) }

/* HERO */
.hero{ display:grid; justify-items:center; gap:14px; margin-top:30px; text-align:center }
.hero .avatar{
  width:132px; height:132px; border-radius:50%; position:relative;
  box-shadow:0 0 0 6px rgba(124,58,237,.25), 0 0 40px rgba(0,229,255,.25); overflow:hidden;
  background: radial-gradient(closest-side, rgba(0,229,255,.25), rgba(124,58,237,.15));
}
.hero .avatar img{ width:100%; height:100%; object-fit:cover; display:block }
.hero h1{ font-family:Orbitron,Inter,sans-serif; font-weight:800; font-size:44px; letter-spacing:1.6px; margin:6px 0 0 }
.hero p{ color:var(--muted); margin:0; padding:0 12px }

/* SKILLS (прозрачное поле) */
.skills-area{
  position:relative; margin:22px 0 8px;
  border:none; border-radius:18px; background:transparent;
  overflow:visible; touch-action:none;
}
#skillsCanvas{ display:block; width:100%; height:360px; }

/* CONTACT */
.contact{margin:72px 0 20px; display:grid; place-items:center; gap:10px}
.mail-sub{color:var(--muted); margin:0 0 6px}

/* неоновая текстовая ссылка */
.mail-link{
  font-family:Orbitron,Inter,sans-serif;
  font-weight:800; letter-spacing:1.2px;
  text-decoration:none;
  position:relative;
  background: linear-gradient(90deg, var(--accent), #00b3ff 60%, var(--accent-2));
  -webkit-background-clip:text; background-clip:text;
  color:transparent;
  filter: drop-shadow(0 0 10px rgba(0,229,255,.35)) drop-shadow(0 0 25px rgba(124,58,237,.25));
}
.mail-link::after{
  content:"";
  position:absolute; left:0; right:0; bottom:-6px; height:2px;
  background: radial-gradient(closest-side, rgba(0,229,255,.9), rgba(0,229,255,0));
  transform: translateY(0); transition: transform .2s ease;
}
.mail-link:hover::after{ transform: translateY(1px) }

/* Toast */
.toast{
  position:fixed; left:50%; bottom:18px; transform:translateX(-50%);
  background:rgba(15,22,34,.9); color:var(--fg);
  border:1px solid var(--border); border-radius:12px; padding:10px 14px;
  box-shadow:0 10px 30px rgba(0,0,0,.35); z-index:50; font-size:14px;
}

/* MOBILE TUNING */
@media (max-width:560px){
  .page{ padding:74px 12px 64px; }
  .hero h1{ font-size:38px }
  .links{ gap:6px; }
  .btn.small{ padding:8px 12px; min-height:40px; font-size:14px }
  .nav{ padding:10px 12px; }
  #skillsCanvas{ height:320px; }
}
@media (max-width:400px){
  #themeToggle{ display:none; } /* экономим место, чтобы кнопки не уезжали */
  .brand span{ font-size:18px; }
}
@media (max-width:360px){
  .btn.small{ padding:7px 10px; font-size:13px }
  .brand span{ font-size:17px; letter-spacing:.4px }
}