/* ==========================================================================
   Contact Form — Neo-Brutalist Monochrome System
   Gray underlines, gray default service text & chevron.
   Zero blue/sky-blue colors.
   Physical stroke submit button.
   Custom Neo-Brutalist Dropdown (no OS/browser native UI).
   ========================================================================== */

.contact-form {
  width: 100%;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  background: transparent;
}

.input-group {
  position: relative;
  width: 100%;
}

/* ── Underline Input (Gray by default, Black on focus) ── */
.line-input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1.5px solid var(--border-ghost, #B0B0A8);
  padding: 9px 8px;
  border-radius: 4px 4px 0 0;
  font-family: var(--font-primary);
  font-size: var(--fs-base);
  font-weight: var(--fw-medium);
  color: var(--text-primary);
  outline: none !important;
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
  appearance: none !important;
  -webkit-tap-highlight-color: transparent !important;
  box-shadow: none !important;
  transition: border-color 0.2s ease;
}

.line-input::placeholder {
  color: var(--text-muted, #888888);
  font-weight: var(--fw-regular);
}

/* Strictly Monochrome Focus: No blue color, crisp black underline */
.line-input:focus,
.line-input:focus-visible {
  outline: none !important;
  box-shadow: none !important;
  background-color: transparent !important;
  border-bottom-width: 2px !important;
  border-bottom-color: var(--text-primary, #1E1E1E) !important;
}

.line-input.is-filled {
  border-bottom-color: var(--text-primary, #1E1E1E);
}

/* Pure monochrome for autofill */
.line-input:-webkit-autofill,
.line-input:-webkit-autofill:hover,
.line-input:-webkit-autofill:focus,
.line-input:-webkit-autofill:active {
  -webkit-box-shadow: 0 0 0px 1000px #FFFFFF inset !important;
  -webkit-text-fill-color: var(--text-primary, #1E1E1E) !important;
  caret-color: var(--text-primary, #1E1E1E) !important;
  border-radius: 4px 4px 0 0;
  transition: background-color 5000s ease-in-out 0s;
}

/* ── Custom Neo-Brutalist Select Dropdown ── */
.custom-select-wrapper {
  position: relative;
  width: 100%;
}

.custom-select-trigger {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1.5px solid var(--border-ghost, #B0B0A8);
  padding: 9px 8px;
  border-radius: 4px 4px 0 0;
  font-family: var(--font-primary);
  font-size: var(--fs-base);
  font-weight: var(--fw-medium);
  color: var(--text-muted, #888888); /* Default gray */
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  outline: none !important;
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
  appearance: none !important;
  -webkit-tap-highlight-color: transparent !important;
  box-shadow: none !important;
  text-align: left;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.custom-select-trigger:focus,
.custom-select-wrapper.is-open .custom-select-trigger {
  border-bottom-width: 2px;
  border-bottom-color: var(--text-primary, #1E1E1E);
}

.custom-select-trigger.has-value {
  color: var(--text-primary, #1E1E1E);
  border-bottom-color: var(--text-primary, #1E1E1E);
}

.custom-select-trigger .selected-text {
  flex-grow: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.select-chevron {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted, #888888); /* Gray arrow */
  transition: transform 0.22s var(--smooth);
  pointer-events: none;
  margin-left: 8px;
}

.custom-select-wrapper.is-open .select-chevron {
  transform: rotate(180deg);
}

/* ── Custom Dropdown Menu (KINSEI Design System) ── */
.custom-select-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  width: 100%;
  background: #FFFFFF;
  border: 2px solid var(--border-color, #1E1E1E);
  border-radius: 10px;
  box-shadow: 3px 3px 0px var(--border-color, #1E1E1E);
  z-index: 90;
  display: none;
  flex-direction: column;
  overflow: hidden;
  padding: 5px 0;
}

.custom-select-wrapper.is-open .custom-select-menu {
  display: flex;
  animation: dropMenuFade 0.16s ease-out;
}

@keyframes dropMenuFade {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.custom-select-option {
  padding: 10px 14px;
  font-size: 0.92rem;
  font-weight: var(--fw-medium);
  color: var(--text-primary, #1E1E1E);
  cursor: pointer;
  transition: background-color 0.14s ease;
  user-select: none;
}

.custom-select-option:hover,
.custom-select-option.is-highlighted {
  background-color: #F0F0EB;
}

.custom-select-option.is-selected {
  background-color: var(--text-primary, #1E1E1E);
  color: var(--text-inverse, #FFFFFF);
  font-weight: var(--fw-bold);
}

/* ── "Other" slide-down field ── */
.custom-service-group {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--smooth), opacity 0.3s ease, margin-top 0.3s ease;
  margin-top: -10px;
}

.custom-service-group.expanded {
  max-height: 60px;
  opacity: 1;
  margin-top: 0;
}

/* ── Submit Button with Physical Neo-Brutalist Stroke ── */
.submit-btn {
  width: 100%;
  padding: 13px 20px;
  border-radius: var(--radius-btn, 12px);
  font-size: 0.98rem;
  font-weight: var(--fw-bold);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  outline: none;

  /* Disabled State: physical subtle stroke */
  background-color: transparent;
  color: var(--text-muted, #888888);
  border-top: 1.5px solid var(--border-ghost, #C0C0BA);
  border-left: 1.5px solid var(--border-ghost, #C0C0BA);
  border-right: 4px solid var(--border-ghost, #C0C0BA);
  border-bottom: 4px solid var(--border-ghost, #C0C0BA);
  cursor: not-allowed;
  transition: all 0.2s var(--smooth);
}

/* Ready to Submit: Monochrome Black with Physical Stroke */
.submit-btn.ready-to-submit {
  background-color: var(--text-primary, #1E1E1E);
  color: var(--text-inverse, #FFFFFF);
  border-top: 1.5px solid var(--text-primary, #1E1E1E);
  border-left: 1.5px solid var(--text-primary, #1E1E1E);
  border-right: 5px solid #000000;
  border-bottom: 5px solid #000000;
  cursor: pointer;
  transition: border-width 0.08s ease, transform 0.08s ease, background-color 0.15s ease;
}

.submit-btn.ready-to-submit:hover {
  background-color: #000000;
  transform: translate(-1px, -1px);
}

/* Physical button press: thin sides (1.5px) remain unchanged, thick borders thin down from 5px to 1.5px */
.submit-btn.ready-to-submit:active {
  border-top-width: 1.5px !important;
  border-left-width: 1.5px !important;
  border-right-width: 1.5px !important;
  border-bottom-width: 1.5px !important;
  transform: translate(3.5px, 3.5px) !important;
}

/* ── Spinner ── */
.btn-loader .spinner {
  animation: rotate 2s linear infinite;
  width: 20px; height: 20px;
}

.btn-loader .path {
  stroke: var(--text-inverse);
  stroke-linecap: round;
  animation: dash 1.5s ease-in-out infinite;
}