/* Reset & Base */
    *{box-sizing:border-box;margin:0;padding:0}
    html,body{height:100%}
    body{
      font-family:Inter, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
      display:grid;place-items:center;min-height:100vh;background:linear-gradient(135deg,#0f172a,#0b1220);
      color:#e6eef8;overflow:hidden}

/* Background Blob */
.bg-blob {
  position: absolute; inset:0; z-index:0;
  pointer-events: none;
  filter: blur(60px);
  opacity: .6;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(99,102,241,.45) 0%, transparent 25%),
    radial-gradient(ellipse at 80% 80%, rgba(16,185,129,.35) 0%, transparent 25%),
    radial-gradient(ellipse at 50% 40%, rgba(59,130,246,.25) 0%, transparent 20%);
  animation: blobMove 12s infinite alternate ease-in-out;
  transform: translateZ(0);
}
@keyframes blobMove {
  from { transform: translate3d(-10px,-10px,0) scale(1) }
  to   { transform: translate3d(10px,10px,0) scale(1.07) }
}

/* Card */
.card {
  position: relative; z-index: 2;
  width: 100%;
  max-width: 620px;
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
  border: 1px solid rgba(255,255,255,.06);
  backdrop-filter: blur(8px);
  border-radius: 14px;
  padding: 28px 20px;
  box-shadow: 0 10px 30px rgba(2,6,23,.6);
  transform: translateY(0);
  transition: transform .35s cubic-bezier(.2,.9,.3,1);
}
.card:hover { transform: translateY(-6px); }

/* Headers */
h1 { font-size: 20px; margin-bottom: 6px; }
p.lead { color: rgba(230,238,248,.75); font-size: 13px; margin-bottom: 18px; }

/* Form */
form {
  display: grid;
  gap: 16px;
  width: 100%;
}
.field {
  position: relative;
  border-radius: 10px;
}
input, textarea, select {
  width: 100%;
  padding: 14px 14px;
  font-size: 14px;
  color: inherit;
  background: linear-gradient(180deg, rgba(255,255,255,.01), rgba(255,255,255,0));
  border: 1px solid rgba(241, 242, 245, 0.06);
  border-radius: 10px;
  outline: none;
  transition: box-shadow .18s, border-color .18s, transform .12s;
}
input:focus, textarea:focus, select:focus {
  border-color: rgba(59,130,246,.6);
  box-shadow: 0 6px 18px rgba(59,130,246,.12);
}

/* Floating Label */
.label {
  position: absolute;
  top: 50%; right: 14px;
  transform: translateY(-50%);
  font-size: 12px;
  color: rgba(230,238,248,.65);
  pointer-events: none;
  transition: all .18s;
 
  padding: 0 4px;
}
.field.has-value .label,
.field input:focus + .label,
.field textarea:focus + .label,
.field select:focus + .label {
  top: 6px; right: 12px;
  font-size: 11px;
  opacity: .95;
}


.field::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 14px;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  background-image: url('data:image/svg+xml,<svg fill="white" viewBox="0 0 24 24"><path d="M7 10l5 5 5-5z"/></svg>');
  background-size: contain;
  background-repeat: no-repeat;
  pointer-events: none;
}


.field select option {
  color: #e6eef8;
  width: 100%;
  padding: 14px 14px;
  font-size: 12px;
  color: inherit;
  background: linear-gradient(180deg, rgba(255,255,255,.01), rgba(255,255,255,0));
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 10px;
  outline: none;
  transition: box-shadow .18s, border-color .18s, transform .12s;
  background-color: #0b1220;
}

/* Buttons */
.btn {
  padding: 12px;
  border-radius: 10px;
  border: 0;
  font-weight: 600;
  background: linear-gradient(90deg,#6366f1,#06b6d4);
  color: #042033;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: transform .14s ease, box-shadow .14s;
}
.btn:active { transform: translateY(1px); }
.btn[aria-busy="true"] { opacity:.9; pointer-events:none; }

/* Card Animasi */
.card { opacity:0; transform: translateY(18px); animation: cardIn .6s cubic-bezier(.2,.9,.3,1) forwards .08s; }
@keyframes cardIn { to { opacity:1; transform:translateY(0); } }

/* Floating CS */
.cs-float {
  position: fixed;
  bottom: 20px; right: 20px; z-index:50;
  width:56px; height:56px;
  border-radius:50%;
  background: linear-gradient(135deg,#06b6d4,#6366f1);
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 6px 16px rgba(0,0,0,.3);
  cursor:pointer;
  animation: float 4s ease-in-out infinite;
}
.cs-float svg { width:28px; height:28px; fill:#fff; }
@keyframes float {0%,100%{transform:translateY(0);}50%{transform:translateY(-6px);}}

/* Small text */
.small{font-size:12px;color:rgba(230,238,248,.45);text-align:center;margin-top:12px}

/* Media Queries */
@media(max-width:420px) {
  .card { padding:20px; }
}

/* Grid system sederhana */
.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -10px; /* spasi antar kolom */
}

.col {
  padding: 0 10px; /* spasi kiri-kanan */
  box-sizing: border-box;
}

/* 2 kolom untuk desktop */
.col-md-6 {
  flex: 0 0 50%;
  max-width: 50%;
  padding: 0 10px; /* spasi kiri-kanan */
}

/* 3 kolom untuk desktop */
.col-md-4 {
  flex: 0 0 33.3333%;
  max-width: 33.3333%;
  padding: 0 10px; /* spasi kiri-kanan */
}

/* 4 kolom untuk desktop */
.col-md-3 {
  flex: 0 0 25%;
  max-width: 25%;
  padding: 0 10px; /* spasi kiri-kanan */
}

/* Responsive: semua full width di mobile */
@media(max-width:768px) {
  .col-md-6,
  .col-md-4,
  .col-md-3 {
    flex: 0 0 100%;
    max-width: 100%;
  }
}

/* Opsional: jarak vertikal antar baris */
.row + .row {
  margin-top: 16px;
}