:root{
  --bg:#0b0f17;
  --panel:#111827;
  --text:#e5e7eb;
  --muted:#9ca3af;
  --line:#1f2937;
  --accent:#7c3aed;
  --accent2:#22c55e;

  --radius:18px;
  --shadow: 0 12px 30px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(1200px 600px at 20% 0%, rgba(124,58,237,.35), transparent 60%),
              radial-gradient(1200px 600px at 80% 0%, rgba(34,197,94,.25), transparent 55%),
              var(--bg);
  color:var(--text);
}

.container{
  width:min(1120px, calc(100% - 40px));
  margin:0 auto;
}

.site-header{
  position:sticky; top:0; z-index:20;
  backdrop-filter: blur(10px);
  background: rgba(11,15,23,.6);
  border-bottom:1px solid rgba(31,41,55,.7);
}
.header__inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
  gap:18px;
}

.brand{display:flex; gap:10px; align-items:center; color:var(--text); text-decoration:none}
.brand__mark{
  display:grid; place-items:center;
  width:34px; height:34px;
  border-radius:12px;
  background: linear-gradient(135deg, rgba(124,58,237,.9), rgba(34,197,94,.7));
  box-shadow: var(--shadow);
}
.brand__name{font-weight:700; letter-spacing:.2px}

.nav{flex:1; display:flex; justify-content:center}
.hero{padding:56px 0 28px}
.hero__inner{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:26px;
  align-items:stretch;
}
.hero__title{font-size: clamp(32px, 4vw, 56px); line-height:1.05; margin:0 0 12px}
.hero__lead{font-size:18px; color:var(--muted); margin:0 0 18px; max-width:55ch}

.hero__card{
  border:1px solid rgba(31,41,55,.9);
  background: rgba(17,24,39,.65);
  border-radius: var(--radius);
  padding:18px;
  box-shadow: var(--shadow);
}

.hero__cta{display:flex; gap:12px; flex-wrap:wrap}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:12px 16px;
  border-radius: 999px;
  border:1px solid rgba(31,41,55,.9);
  text-decoration:none;
  color:var(--text);
  background: rgba(17,24,39,.45);
}
.btn--primary{
  background: linear-gradient(135deg, rgba(124,58,237,.95), rgba(124,58,237,.55));
  border-color: rgba(124,58,237,.6);
}
.btn--ghost{
  background: transparent;
}

.page{
  padding: 18px 0 56px;
  border-top:1px solid rgba(31,41,55,.55);
}

.site-footer{
  border-top:1px solid rgba(31,41,55,.7);
  background: rgba(11,15,23,.8);
  padding: 26px 0;
}
.footer__inner{
  display:flex;
  gap:18px;
  align-items:center;
  justify-content:space-between;
  color:var(--muted);
}

@media (max-width: 900px){
  .hero__inner{grid-template-columns: 1fr}
  .nav{justify-content:flex-end}
}


.section{padding: 34px 0 10px;}
.section__head{margin:0 0 14px;}
.section__title{margin:0 0 6px; font-size: 24px; letter-spacing:.2px;}
.section__desc{margin:0; color:var(--muted); max-width:70ch;}

.panel{
  border:1px solid rgba(31,41,55,.9);
  background: rgba(17,24,39,.55);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

.grid{display:grid; gap:14px;}
.grid--3{grid-template-columns: repeat(3, 1fr);}
.card{
  border:1px solid rgba(31,41,55,.9);
  background: rgba(17,24,39,.55);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.card h3{margin:0 0 6px;}
.card p{margin:0 0 10px; color:var(--muted);}
.link{color:var(--text); text-decoration:none; border-bottom:1px solid rgba(229,231,235,.35);}
.link:hover{border-bottom-color: rgba(229,231,235,.75);}

.cta{
  display:flex;
  gap:16px;
  align-items:stretch;
  justify-content:space-between;
  border:1px solid rgba(124,58,237,.35);
  background: linear-gradient(135deg, rgba(124,58,237,.18), rgba(34,197,94,.10));
  border-radius: calc(var(--radius) + 6px);
  padding: 18px;
  box-shadow: var(--shadow);
}
.cta__text h3{margin:0 0 6px;}
.cta__text p{margin:0; color:var(--muted);}
.cta__form{
  min-width: 320px;
  border:1px solid rgba(31,41,55,.7);
  background: rgba(17,24,39,.45);
  border-radius: var(--radius);
  padding: 14px;
}

.about{
  display:grid;
  grid-template-columns: 160px 1fr;
  gap:16px;
  align-items:start;
  border:1px solid rgba(31,41,55,.9);
  background: rgba(17,24,39,.55);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.about__avatar{
  border-radius: var(--radius);
  overflow:hidden;
  border:1px solid rgba(31,41,55,.8);
  background: rgba(17,24,39,.35);
  min-height: 140px;
}

@media (max-width: 900px){
  .grid--3{grid-template-columns: 1fr;}
  .cta{flex-direction:column;}
  .cta__form{min-width: auto;}
  .about{grid-template-columns: 1fr;}
}
