/* =========================================================
   Block: Contact-sales modal  (.cs-overlay / .cs-modal)
   Right-side slide-out alternative is .cs-drawer (future).
   ========================================================= */
.cs-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 18, 32, .55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 9998;
  display: none;
  align-items: flex-start;
  justify-content: center;
  overflow-y: auto;
  padding: 48px 24px;
}
.cs-overlay.open { display: flex; }

.cs-modal {
  background: #ffffff;
  width: 100%;
  max-width: 680px;
  border: 1px solid var(--ink-200);
  box-shadow: 0 40px 80px rgba(10, 18, 32, .25);
  position: relative;
  animation: cs-in .22s ease-out;
}
@keyframes cs-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.cs-head {
  padding: 32px 40px 20px;
  border-bottom: 1px solid var(--ink-100);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}
.cs-head-left .cs-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-500);
  margin-bottom: 8px;
}
.cs-head-left h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 28px;
  letter-spacing: -.01em;
  line-height: 1.2;
  color: var(--ink-900);
  margin: 0 0 6px;
}
.cs-head-left p {
  font-size: 14px;
  color: var(--ink-500);
  margin: 0;
  max-width: 440px;
}
.cs-close {
  background: transparent;
  border: 1px solid var(--ink-200);
  width: 32px;
  height: 32px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-500);
  flex-shrink: 0;
  transition: border-color .15s, color .15s;
}
.cs-close:hover {
  border-color: var(--ink-900);
  color: var(--ink-900);
}

.cs-form { padding: 28px 40px 32px; }
.cs-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
.cs-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.cs-field.full { grid-column: 1 / -1; }
.cs-field label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-900);
  font-weight: 500;
}
.cs-field label .req {
  color: #C14040;
  margin-left: 3px;
}
.cs-field input,
.cs-field select,
.cs-field textarea {
  font-family: inherit;
  font-size: 15px;
  padding: 12px 14px;
  border: 1px solid var(--ink-300, #cbd5e1);
  background: #F6F7F9;
  color: var(--ink-900);
  width: 100%;
  box-sizing: border-box;
  transition: border-color .15s, background .15s, box-shadow .15s;
  border-radius: 0;
  min-height: 46px;
}
.cs-field input::placeholder,
.cs-field textarea::placeholder { color: var(--ink-400, #94a3b8); }
.cs-field input:hover,
.cs-field select:hover,
.cs-field textarea:hover { border-color: var(--ink-500); }
.cs-field input:focus,
.cs-field select:focus,
.cs-field textarea:focus {
  outline: none;
  border-color: var(--ink-900);
  background: #ffffff;
  box-shadow: inset 0 0 0 1px var(--ink-900);
}
.cs-field textarea {
  resize: vertical;
  min-height: 110px;
}

.cs-consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13px;
  color: var(--ink-500);
  line-height: 1.5;
  margin: 8px 0 24px;
}
.cs-consent input[type="checkbox"] {
  margin-top: 3px;
  flex-shrink: 0;
  accent-color: var(--ink-900);
}
.cs-consent a {
  color: var(--ink-900);
  border-bottom: 1px solid var(--ink-200);
}

.cs-submit {
  width: 100%;
  padding: 14px 20px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  background: var(--ink-900);
  color: #fff;
  border: 1px solid var(--ink-900);
  cursor: pointer;
  letter-spacing: .01em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: background .15s;
}
.cs-submit:hover { background: var(--ink-800); }

.cs-foot {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--ink-100);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-500);
}
.cs-foot .it {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.cs-foot svg { width: 14px; height: 14px; }

.cs-success {
  padding: 48px 40px 56px;
  text-align: center;
  display: none;
}
.cs-success.show { display: block; }
.cs-success .dot {
  width: 48px;
  height: 48px;
  border: 1px solid var(--ink-900);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.cs-success h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 24px;
  color: var(--ink-900);
  letter-spacing: -.01em;
  margin: 0 0 10px;
}
.cs-success p {
  color: var(--ink-500);
  font-size: 14px;
  margin: 0;
}

/* ---------- Mobile ---------- */
@media (max-width: 640px) {
  .cs-overlay {
    padding: 0;
    align-items: stretch;
  }
  .cs-modal {
    max-width: 100%;
    min-height: 100vh;
  }
  .cs-head { padding: 24px 20px 16px; }
  .cs-form { padding: 20px; }
  .cs-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (max-width: 900px) {
  .cs-modal {
    width: calc(100vw - 24px);
    max-width: 100%;
    max-height: calc(100dvh - 24px);
    margin: 12px;
    border-radius: 10px;
  }
  .cs-form { padding: 24px 20px; }
  .cs-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .cs-field input,
  .cs-field textarea,
  .cs-field select {
    font-size: 16px; /* prevent iOS zoom */
    min-height: 44px;
  }
  .cs-submit {
    width: 100%;
    justify-content: center;
    min-height: 48px;
  }
}