:root{
  --bg:#0b1220;
  --card: rgba(255,255,255,0.04);
  --cardHover: rgba(255,255,255,0.06);
  --line: rgba(255,255,255,0.10);
  --text:#eaf0ff;
  --muted:#aab6d6;
  --accent:#60a5fa;
  --accent2:#a78bfa;

  --radius:16px;
  --shadow: 0 18px 55px rgba(0,0,0,.45);
  --max: 1120px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  color:var(--text);
  background:
    radial-gradient(900px 520px at 12% 0%, rgba(96,165,250,.16), transparent 55%),
    radial-gradient(900px 520px at 88% 10%, rgba(167,139,250,.14), transparent 55%),
    linear-gradient(180deg, var(--bg), #070b14 60%, #060a12);
}

a{ color:inherit; text-decoration:none; }
p{ margin:0; }
h1,h2,h3{ margin:0; }

.container{
  max-width:var(--max);
  margin:0 auto;
  padding: 0 20px;
}

/* NAV */
.nav{
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(6,10,18,.70);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  height:64px;
}
.logo{
  font-weight:800;
  letter-spacing:.2px;
  display:flex;
  align-items:center;
  gap:10px;
}
.logo::before{
  content:"";
  width:32px; height:32px;
  border-radius:12px;
  background: linear-gradient(135deg, rgba(96,165,250,.95), rgba(167,139,250,.95));
  box-shadow: 0 12px 30px rgba(0,0,0,.35);
}
.nav nav{
  display:flex;
  align-items:center;
  gap: 10px;
}
.nav nav a{
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 12px;
  transition: background .15s ease, color .15s ease, transform .15s ease;
}
.nav nav a:hover{
  background: rgba(255,255,255,.06);
  color: var(--text);
  transform: translateY(-1px);
}
.nav nav a.cta{
  border: 1px solid rgba(96,165,250,.35);
  background: linear-gradient(135deg, rgba(96,165,250,.16), rgba(167,139,250,.12));
  color: var(--text);
  font-weight: 700;
}

/* HERO */
.hero{
  padding: 64px 0 28px;
}
.hero-box{
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
  padding: 30px;
  overflow:hidden;
  position: relative;
}
.hero-box::after{
  content:"";
  position:absolute;
  inset:-80px -80px auto auto;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(96,165,250,.25), transparent 60%);
  transform: rotate(15deg);
  pointer-events:none;
}
.hero h1{
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.08;
  margin-bottom: 12px;
}
.hero p{
  color: var(--muted);
  font-size: 1.06rem;
  line-height: 1.6;
  max-width: 72ch;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-top: 18px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid rgba(96,165,250,.35);
  background: linear-gradient(135deg, rgba(96,165,250,.18), rgba(167,139,250,.14));
  color: var(--text);
  font-weight: 700;
  transition: transform .15s ease, filter .15s ease;
}
.btn:hover{
  transform: translateY(-1px);
  filter: brightness(1.05);
}

/* SECTIONS */
.section{
  padding: 26px 0;
}
.section h2{
  font-size: 1.45rem;
  margin-bottom: 10px;
}
.section .sub{
  color: var(--muted);
  margin-bottom: 14px;
  line-height: 1.6;
}

/* GRID + CARDS */
.grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.grid.two{
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.card{
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  padding: 18px;
  transition: transform .15s ease, background .15s ease;
}
.card:hover{
  transform: translateY(-2px);
  background: var(--cardHover);
}
.card h3{
  font-size: 1.02rem;
  margin-bottom: 8px;
}
.card p, .card li{
  color: var(--muted);
  line-height: 1.55;
}
ul{
  margin: 10px 0 0;
  padding-left: 18px;
}

/* FAQ */
details{
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  padding: 14px 16px;
}
details + details{ margin-top: 10px; }
summary{ cursor:pointer; font-weight:800; }
summary::-webkit-details-marker{ display:none; }
.answer{ margin-top:10px; color: var(--muted); line-height:1.6; }

/* SIMPLE CONTENT PAGES */
.page{
  padding: 46px 0 22px;
}
.page h1{
  font-size: clamp(28px, 3.2vw, 40px);
  line-height:1.1;
  margin-bottom: 12px;
}
.page .lead{
  color: var(--muted);
  line-height:1.6;
  max-width: 78ch;
}

/* FOOTER */
footer{
  margin-top: 22px;
  border-top:1px solid var(--line);
  background: rgba(6,10,18,.45);
}
.footer{
  padding: 18px 0;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--muted);
}
.footer a{ color: var(--muted); }
.footer a:hover{ color: var(--text); text-decoration: underline; }

/* RESPONSIVE */
@media (max-width: 900px){
  .grid{ grid-template-columns: 1fr; }
  .grid.two{ grid-template-columns: 1fr; }
  .nav nav{ gap: 6px; }
  .nav nav a{ padding: 8px 10px; }
}

/* Modal */
body.modal-open { overflow: hidden; }

.modal{
  position: fixed;
  inset: 0;
  display: none;
  z-index: 50;
}
.modal[aria-hidden="false"]{ display:block; }

.modal-backdrop{
  position:absolute;
  inset:0;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(6px);
}

.modal-card{
  position: relative;
  width: min(860px, calc(100% - 24px));
  margin: 6vh auto;
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(10,16,32,.92);
  box-shadow: var(--shadow);
  padding: 18px;
}

.modal-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom: 8px;
}

.modal-sub{
  color: var(--muted);
  line-height: 1.6;
  margin: 0 0 14px;
}

.iconbtn{
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--text);
  font-size: 22px;
  cursor:pointer;
}
.iconbtn:hover{ background: rgba(255,255,255,.07); }

.form-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.field label{
  display:block;
  font-size: .92rem;
  color: var(--muted);
  margin-bottom: 6px;
}

.field input, .field select, .field textarea{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: var(--text);
  outline: none;
}

.field textarea{ min-height: 120px; resize: vertical; }
.field.full{ grid-column: 1 / -1; }

.form-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top: 12px;
}

.btn.secondary{
  border-color: var(--line);
  background: rgba(255,255,255,.04);
}

.form-note{
  margin-top: 10px;
  color: var(--muted);
  font-size: .92rem;
  line-height: 1.55;
}

@media (max-width: 900px){
  .modal-card{ margin: 3vh auto; }
  .form-grid{ grid-template-columns: 1fr; }
}