/* ==========================================================================
   RIM INDONESIA — TOOL ESTIMASI RAB
   Styling: Popup Modal (3 State: Input, Loading, Result)
   Dependency: Mengikuti design token dari index.html
   ========================================================================== */

/* ==========================================================================
   OVERLAY (backdrop gelap)
   ========================================================================== */
.estimasi-overlay {
  position: fixed;
  inset: 0;
  background: rgba(14, 14, 14, 0.88);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 20px 16px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.estimasi-overlay.is-open {
  opacity: 1;
  visibility: visible;
}
body.estimasi-locked {
  overflow: hidden;
}

/* ==========================================================================
   MODAL CONTAINER
   ========================================================================== */
.estimasi-modal {
  position: relative;
  width: 100%;
  max-width: 520px;
  background: var(--rim-off-white);
  color: var(--rim-black);
  border-radius: 4px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  margin: 20px auto;
  transform: translateY(20px) scale(0.98);
  opacity: 0;
  transition: transform 0.4s ease, opacity 0.4s ease;
  overflow: hidden;
}
.estimasi-overlay.is-open .estimasi-modal {
  transform: translateY(0) scale(1);
  opacity: 1;
}

/* Close button */
.estimasi-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid rgba(14, 14, 14, 0.1);
  border-radius: 2px;
  color: var(--rim-black);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}
.estimasi-close svg { width: 16px; height: 16px; }
.estimasi-close:active { background: var(--rim-black); color: var(--rim-amber); border-color: var(--rim-black); }

/* ==========================================================================
   STATE WRAPPER — hanya 1 state aktif pada satu waktu
   ========================================================================== */
.estimasi-state {
  display: none;
  padding: 36px 24px 32px;
}
.estimasi-state.is-active {
  display: block;
  animation: estimasiFadeIn 0.4s ease forwards;
}
@keyframes estimasiFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   TYPOGRAPHY SHARED
   ========================================================================== */
.estimasi-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--rim-amber-dark);
  margin-bottom: 14px;
}
.estimasi-eyebrow::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--rim-amber-dark);
}
.estimasi-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 5.5vw, 28px);
  line-height: 1.12;
  letter-spacing: -0.3px;
  text-transform: uppercase;
  color: var(--rim-black);
  margin-bottom: 12px;
}
.estimasi-title .accent { color: var(--rim-amber-dark); }
.estimasi-sub {
  font-size: 14px;
  line-height: 1.65;
  color: var(--rim-gray);
  margin-bottom: 24px;
}

/* ==========================================================================
   STATE 1 — INPUT FORM
   ========================================================================== */
.estimasi-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.estimasi-field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.estimasi-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.estimasi-field--full { grid-column: 1 / -1; }
.estimasi-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--rim-black);
  opacity: 0.7;
}
.estimasi-label .req { color: #c44; }
.estimasi-input,
.estimasi-select {
  width: 100%;
  padding: 13px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--rim-black);
  background: var(--rim-white);
  border: 1px solid rgba(14, 14, 14, 0.12);
  border-radius: 2px;
  transition: border-color 0.2s ease, background 0.2s ease;
  -webkit-appearance: none;
  appearance: none;
}
.estimasi-input:focus,
.estimasi-select:focus {
  outline: none;
  border-color: var(--rim-amber-dark);
  background: var(--rim-white);
}
.estimasi-input::placeholder { color: rgba(14, 14, 14, 0.35); }
.estimasi-select {
  background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%230E0E0E' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

/* Input dengan suffix unit (m²) */
.estimasi-input-wrap {
  position: relative;
}
.estimasi-input-wrap .estimasi-input { padding-right: 40px; }
.estimasi-input-suffix {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 13px;
  color: var(--rim-gray);
  pointer-events: none;
}

/* Error state */
.estimasi-field.has-error .estimasi-input,
.estimasi-field.has-error .estimasi-select { border-color: #c44; }
.estimasi-error-msg {
  font-size: 12px;
  color: #c44;
  line-height: 1.4;
  display: none;
}
.estimasi-field.has-error .estimasi-error-msg { display: block; }

/* Divider between form sections */
.estimasi-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 10px 0 4px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--rim-gray);
}
.estimasi-divider::before,
.estimasi-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(14, 14, 14, 0.08);
}

/* Kota "Lainnya" custom input (hidden by default) */
.estimasi-kota-custom {
  display: none;
  margin-top: 8px;
}
.estimasi-kota-custom.is-visible { display: block; animation: estimasiFadeIn 0.3s ease forwards; }

/* Honeypot (hidden trap for bots) */
.estimasi-hp {
  position: absolute;
  left: -9999px;
  top: -9999px;
  opacity: 0;
  pointer-events: none;
  height: 0;
  width: 0;
}

/* Submit button */
.estimasi-btn-submit {
  width: 100%;
  padding: 17px 24px;
  margin-top: 8px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 2.2px;
  text-transform: uppercase;
  color: var(--rim-black);
  background: var(--rim-amber);
  border: none;
  border-radius: 2px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: background 0.25s ease, transform 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}
.estimasi-btn-submit svg { width: 16px; height: 16px; }
.estimasi-btn-submit:active { background: var(--rim-amber-dark); transform: translateY(1px); }
.estimasi-btn-submit:disabled { opacity: 0.5; cursor: not-allowed; }

/* Trust note */
.estimasi-trust {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-size: 12px;
  color: var(--rim-gray);
  line-height: 1.5;
}
.estimasi-trust svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  color: var(--rim-amber-dark);
}

/* ==========================================================================
   STATE 2 — LOADING
   ========================================================================== */
.estimasi-loading {
  text-align: center;
  padding: 60px 24px 50px;
}
.estimasi-spinner {
  width: 56px;
  height: 56px;
  border: 3px solid rgba(245, 184, 0, 0.15);
  border-top-color: var(--rim-amber);
  border-radius: 50%;
  margin: 0 auto 28px;
  animation: estimasiSpin 0.9s linear infinite;
}
@keyframes estimasiSpin {
  to { transform: rotate(360deg); }
}
.estimasi-loading-title {
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--rim-black);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}
.estimasi-loading-subtitle {
  font-size: 13px;
  color: var(--rim-gray);
  margin-bottom: 26px;
}
.estimasi-loading-quote {
  max-width: 360px;
  margin: 0 auto;
  padding: 18px 20px;
  background: rgba(245, 184, 0, 0.06);
  border-left: 2px solid var(--rim-amber);
  font-size: 13px;
  line-height: 1.7;
  color: var(--rim-black);
  font-style: italic;
  text-align: left;
}

/* ==========================================================================
   STATE 3 — HASIL ESTIMASI
   ========================================================================== */
.estimasi-result-header {
  margin-bottom: 20px;
}
.estimasi-result-summary {
  font-size: 13px;
  color: var(--rim-gray);
  line-height: 1.6;
}
.estimasi-result-summary strong {
  color: var(--rim-black);
  font-weight: 600;
}

/* Tier cards */
.estimasi-tiers {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}
.estimasi-tier {
  position: relative;
  padding: 18px 18px 16px;
  background: var(--rim-white);
  border: 1px solid rgba(14, 14, 14, 0.08);
  border-radius: 2px;
  transition: border-color 0.2s ease;
}
.estimasi-tier--popular {
  border: 2px solid var(--rim-amber-dark);
  background: #fffcf0;
}
.estimasi-tier-badge {
  position: absolute;
  top: -10px;
  right: 14px;
  background: var(--rim-amber-dark);
  color: var(--rim-white);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 2px;
}
.estimasi-tier-label {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--rim-amber-dark);
  margin-bottom: 6px;
}
.estimasi-tier-price {
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.15;
  color: var(--rim-black);
  letter-spacing: -0.3px;
  margin-bottom: 8px;
  text-transform: uppercase;
}
.estimasi-tier-desc {
  font-size: 12px;
  line-height: 1.55;
  color: var(--rim-gray);
}

/* Notes (edge cases) */
.estimasi-notes {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}
.estimasi-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 12px;
  background: rgba(245, 184, 0, 0.08);
  border-left: 2px solid var(--rim-amber);
  font-size: 12px;
  line-height: 1.55;
  color: var(--rim-black);
}
.estimasi-note svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--rim-amber-dark);
}

/* Disclaimer */
.estimasi-disclaimer {
  padding: 14px 14px;
  background: rgba(14, 14, 14, 0.04);
  border-radius: 2px;
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--rim-gray);
  margin-bottom: 22px;
}

/* WA button */
.estimasi-btn-wa {
  width: 100%;
  padding: 17px 24px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--rim-white);
  background: #25D366;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-decoration: none;
  transition: background 0.25s ease, transform 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}
.estimasi-btn-wa svg { width: 16px; height: 16px; }
.estimasi-btn-wa:active { background: #1ea952; transform: translateY(1px); }

/* Secondary action */
.estimasi-btn-reset {
  display: block;
  text-align: center;
  margin-top: 14px;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--rim-gray);
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: underline;
  transition: color 0.2s ease;
}
.estimasi-btn-reset:hover { color: var(--rim-black); }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (min-width: 640px) {
  .estimasi-overlay { padding: 40px 24px; align-items: center; }
  .estimasi-state { padding: 44px 36px 40px; }
  .estimasi-close { top: 18px; right: 18px; }
  .estimasi-title { font-size: 30px; }
  .estimasi-tier-price { font-size: 22px; }
}

@media (min-width: 1024px) {
  .estimasi-state { padding: 48px 40px 44px; }
  .estimasi-btn-submit,
  .estimasi-btn-wa { padding: 18px 28px; }
  .estimasi-close:hover { background: var(--rim-black); color: var(--rim-amber); border-color: var(--rim-black); }
  .estimasi-btn-submit:hover { background: var(--rim-amber-dark); transform: translateY(-1px); }
  .estimasi-btn-wa:hover { background: #1ea952; transform: translateY(-1px); }
}