/* ===== Estimate Section ===== */
.estimate {
  background: rgba(24, 147, 105, 0.12); /* same as About/Why */
  padding: 64px 16px 72px;
}

.estimate__container {
  max-width: 1200px;
  margin: 0 auto;
}

.estimate__title {
  text-align: center;
  font-weight: 800;
  font-size: clamp(28px, 3.2vw, 40px);
  letter-spacing: -0.02em;
  color: var(--text-color-dark, #000);
  margin: 0 0 28px;
}

.estimate__form {
  margin: 0 auto;
}

/* Grid */
.estimate__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: 32px;
  row-gap: 22px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0; /* avoids overflow */
}
.field--full {
  grid-column: 1 / -1;
}

/* Labels */
.field label {
  font-weight: 600;
  color: var(--text-color-dark, #000);
  margin: 0 0 6px;
  font-size: 0.95rem;
}
label .required {
  color: #e63946;
  margin-left: 4px;
  font-weight: bold;
}

/* Inputs */
.field input,
.field select,
.field textarea {
  width: 100%;
  height: 52px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid #e6e7eb;
  background: #fff;
  color: var(--text-color-dark);
  font: inherit;
  outline: none;
  box-sizing: border-box;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field textarea {
  min-height: 112px;
  height: auto;
  padding: 12px 14px;
  resize: vertical;
}
.field input::placeholder,
.field textarea::placeholder,
.field select:invalid {
  color: #c7cbd1;
}

/* Focus ring */
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--color5);
  box-shadow: 0 0 0 3px rgba(29,110,147,0.15);
}

/* Custom select arrow */
.field select {
  appearance: none;
  background-image:
    url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M7 10l5 5 5-5' stroke='%2396A0AA' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 18px 18px;
  padding-right: 40px;
}

/* Button */
.estimate__actions {
  display: flex;
  justify-content: center;
  margin-top: 28px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 22px;
  border-radius: 12px;
  font-weight: 700;
  border: 2px solid transparent;
  text-decoration: none;
  transition: background .2s ease, transform .15s ease, box-shadow .2s ease;
}
.btn--primary {
  background: var(--color5);
  color: #fff;
  box-shadow: 0 10px 20px rgba(29,110,147,.18);
}
.btn--primary:hover {
  background: var(--primary-color-dark);
  transform: translateY(-1px);
}

/* Responsive */
@media (max-width: 920px) {
  .estimate__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 24px;
    row-gap: 18px;
  }
}
@media (max-width: 560px) {
  .estimate__grid {
    grid-template-columns: 1fr;
    column-gap: 0;
  }
}