/* styles.css */
:root{
  --bg:#0f1724;
  --card:#0b1220;
  --muted:#98a0b3;
  --accent1:#7ee787;
  --accent2:#60a5fa;
  --glass: rgba(255,255,255,0.04);
  --radius:14px;
  --maxw:880px;
  --gap:18px;
  --glass-2: rgba(255,255,255,0.02);
  --text: #e6eef8;
}

*{box-sizing:border-box}
html,body,#app{height:100%}
body{
  margin:0;
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background: radial-gradient(1200px 600px at 10% 10%, rgba(96,165,250,0.08), transparent),
              radial-gradient(900px 400px at 95% 90%, rgba(126,231,135,0.04), transparent),
              linear-gradient(180deg,var(--bg),#071021 140%);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  padding:28px;
  display:flex;
  justify-content:center;
  align-items:flex-start;
  gap:24px;
}

.container{
  width:100%;
  max-width:var(--maxw);
  display:grid;
  grid-template-columns: 1fr;
  gap:var(--gap);
}

/* Hero */
.hero{
  position:relative;
  background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border-radius:var(--radius);
  padding:28px;
  box-shadow: 0 6px 30px rgba(2,6,23,0.6), inset 0 1px 0 rgba(255,255,255,0.02);
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.hero-inner h1{
  margin:0;
  font-size:clamp(22px,3.2vw,34px);
  line-height:1.02;
  letter-spacing:-0.02em;
}
.hero .accent{
  background:linear-gradient(90deg,var(--accent1),var(--accent2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero .tagline{
  margin:6px 0 0 0;
  color:var(--muted);
  font-size:14px;
}
.hero .badge{
  font-weight:600;
  color:#072432;
  background:linear-gradient(90deg,var(--accent1),var(--accent2));
  padding:10px 14px;
  border-radius:999px;
  box-shadow: 0 6px 20px rgba(12,23,40,0.5);
}

/* Cards */
.card{
  background:linear-gradient(180deg,var(--card),var(--glass));
  border-radius:12px;
  padding:18px;
  box-shadow: 0 8px 30px rgba(2,6,23,0.5);
}

.form-card{margin-top:0}
.form-card h2{margin:0 0 10px 0}

/* Form */
.field{margin-bottom:12px;display:flex;flex-direction:column;gap:8px}
.field label{font-weight:600;font-size:13px}
.field input[type="text"],
.field input[type="number"],
.field textarea,
.field select{
  background:var(--glass-2);
  border:1px solid rgba(255,255,255,0.03);
  padding:10px 12px;
  color:var(--text);
  border-radius:8px;
  outline:none;
  font-size:14px;
  transition:box-shadow .15s,transform .06s;
}
.field input:focus,
.field textarea:focus,
.field select:focus{
  box-shadow:0 6px 20px rgba(96,165,250,0.08);
  transform:translateY(-2px);
  border-color:rgba(96,165,250,0.25);
}
.hint{font-size:12px;color:var(--muted)}

/* two-cols */
.two-cols{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* Buttons */
.btn{
  display:inline-block;
  border:0;
  padding:10px 14px;
  border-radius:10px;
  cursor:pointer;
  font-weight:600;
  font-size:14px;
  background:transparent;
  color:var(--text);
}
.btn.primary{
  background:linear-gradient(90deg,var(--accent2),var(--accent1));
  color:#04202a;
  box-shadow: 0 8px 30px rgba(2,6,23,0.6);
}
.btn.ghost{
  border:1px solid rgba(255,255,255,0.04);
}

/* Actions layout */
.actions{display:flex;gap:10px;align-items:center;margin-top:6px}
.result-card{min-height:110px}
.offer-box{
  padding:14px;
  border-radius:10px;
  background:linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
  border:1px dashed rgba(255,255,255,0.03);
  font-weight:700;
  font-size:18px;
  color:var(--accent1);
}

/* Footer */
.footer{color:var(--muted);font-size:13px;padding:10px 6px}

/* Modal */
.modal{
  position:fixed;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(2,6,23,0.6);
  opacity:0;
  pointer-events:none;
  transition:opacity .18s;
}
.modal[aria-hidden="false"]{opacity:1;pointer-events:auto}
.modal-content{
  background:linear-gradient(180deg,var(--card),#071422);
  padding:18px;
  border-radius:12px;
  width:clamp(260px,42vw,520px);
  position:relative;
  box-shadow:0 18px 60px rgba(2,6,23,0.7);
}
.modal-close{
  position:absolute;right:10px;top:8px;background:transparent;border:0;color:var(--muted);font-size:22px;cursor:pointer;
}
.modal-actions{display:flex;justify-content:flex-end;padding-top:8px;gap:8px}

/* Small helpers */
.visually-hidden{display:none}
@media (max-width:720px){
  .two-cols{grid-template-columns:1fr}
  .hero{flex-direction:column;align-items:flex-start;gap:12px}
}