.dt-hero {
  background:
    radial-gradient(ellipse at 78% 18%, rgba(82, 139, 255, .26), transparent 36%),
    linear-gradient(135deg, #0d2540 0%, #1d3a6e 100%);
  color: #fff;
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.dt-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, .04), transparent 52%);
  pointer-events: none;
}

.dt-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
  padding: 0 20px;
}

.dt-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .1);
  color: #dbe9ff;
  padding: 7px 15px;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 22px;
  border: 1px solid rgba(255, 255, 255, .2);
}

.dt-h1 {
  color: #fff;
  font-size: 3rem;
  margin: 0 0 16px;
  font-weight: 800;
  letter-spacing: -.025em;
  line-height: 1.1;
}

.dt-lead {
  font-size: 1.15rem;
  color: #dbe9ff;
  margin: 0 auto;
  line-height: 1.6;
  max-width: 640px;
}

.dt-section {
  padding: 50px 0 80px;
  background: #f8fafc;
  position: relative;
  margin-top: 0;
}

.dt-card {
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 20px 50px -12px rgba(15, 23, 42, .25), 0 4px 12px rgba(15, 23, 42, .06);
  max-width: 980px;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid #e2e8f0;
}

.dt-card-head {
  padding: 32px 36px 24px;
  border-bottom: 1px solid #f1f5f9;
}

.dt-card-head h2 {
  margin: 0 0 6px;
  font-size: 1.55rem;
  color: #0f172a;
  font-weight: 700;
  letter-spacing: -.01em;
}

.dt-card-head p {
  margin: 0;
  color: #64748b;
  font-size: .96rem;
  line-height: 1.5;
}

.dt-card-body {
  padding: 28px 36px 32px;
}

.dt-label {
  display: block;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 700;
  color: #475569;
  margin-bottom: 8px;
}

.dt-input {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid #cbd5e1;
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  background: #fff;
  color: #0f172a;
  transition: border-color .15s, box-shadow .15s, background .15s;
}

.dt-input:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, .15);
}

.dt-input:disabled {
  background: #f1f5f9;
  color: #94a3b8;
  cursor: not-allowed;
}

.dt-row2 {
  display: grid;
  grid-template-columns: minmax(190px, 1.15fr) minmax(190px, 1fr) auto;
  gap: 18px;
  align-items: end;
}

.dt-alert {
  padding: 14px 18px;
  border-radius: 10px;
  margin: 18px 0;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .94rem;
  line-height: 1.45;
}

.dt-alert i {
  font-size: 1.1rem;
  margin-top: 1px;
  flex: 0 0 auto;
}

.dt-alert-ok {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.dt-alert-err {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.dt-alert-info {
  background: #eff6ff;
  color: #1e3a8a;
  border: 1px solid #bfdbfe;
}

.dt-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.dt-btn {
  min-height: 51px;
  padding: 13px 26px;
  border: none;
  border-radius: 10px;
  font-weight: 700;
  font-size: .95rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  letter-spacing: .01em;
  transition: transform .12s, box-shadow .15s, opacity .15s;
}

.dt-is-hidden {
  display: none;
}

.dt-btn:hover {
  transform: translateY(-1px);
}

.dt-btn:disabled {
  opacity: .55;
  cursor: wait;
  transform: none;
}

.dt-btn-primary {
  background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 60%, #2563eb 100%);
  color: #fff;
  box-shadow: 0 6px 16px -4px rgba(30, 58, 138, .4);
}

.dt-btn-primary:hover {
  box-shadow: 0 10px 22px -4px rgba(30, 58, 138, .55);
}

.dt-btn-success {
  background: linear-gradient(135deg, #065f46, #047857, #10b981);
  color: #fff;
  box-shadow: 0 6px 16px -4px rgba(6, 95, 70, .45);
}

.dt-btn-success:hover {
  box-shadow: 0 10px 22px -4px rgba(6, 95, 70, .55);
}

.dt-price {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  background: #f1f5f9;
  padding: 6px 12px;
  border-radius: 8px;
  margin-left: 8px;
}

.dt-price b {
  font-size: 1.05rem;
  color: #0f172a;
}

.dt-price span {
  font-size: .78rem;
  color: #64748b;
}

.dt-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
  max-width: 720px;
  margin: 36px auto 0;
}

.dt-feat {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 24px 20px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(15, 23, 42, .04);
  transition: transform .15s, box-shadow .15s;
}

.dt-feat:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px -8px rgba(15, 23, 42, .15);
}

.dt-feat-ico {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 14px;
  color: #fff;
}

.dt-feat-1 .dt-feat-ico {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}

.dt-feat-2 .dt-feat-ico {
  background: linear-gradient(135deg, #10b981, #059669);
}

.dt-feat-3 .dt-feat-ico {
  background: linear-gradient(135deg, #f59e0b, #d97706);
}

.dt-feat h3 {
  margin: 0 0 6px;
  font-size: 1.02rem;
  color: #0f172a;
  font-weight: 700;
}

.dt-feat p {
  margin: 0;
  font-size: .86rem;
  color: #64748b;
  line-height: 1.45;
}

@media (max-width: 640px) {
  .dt-row2 {
    grid-template-columns: 1fr;
  }

  .dt-actions {
    margin-top: 4px;
  }

  .dt-actions .dt-btn {
    width: 100%;
    justify-content: center;
  }

  .dt-h1 {
    font-size: 2.1rem;
  }

  .dt-card-head,
  .dt-card-body {
    padding-left: 22px;
    padding-right: 22px;
  }
}