/* =========================================================
   BESEEN — DEVIS CALCULATOR STYLES
   ========================================================= */

/* Hero bar */
.devis-hero-bar {
  background: var(--bg-alt);
  padding: 130px 0 56px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.devis-hero-bar .hero-tag {
  display: inline-block;
  background: rgba(37, 99, 235, 0.2);
  color: #93C5FD;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
  border: 1px solid rgba(37, 99, 235, 0.35);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.devis-hero-bar h1 {
  font-size: clamp(32px, 5vw, 60px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.devis-hero-bar p {
  font-size: 18px;
  color: var(--text-sec);
}

/* ==================== PROGRESS BAR ==================== */
.devis-progress {
  background: rgba(17, 24, 39, 0.97);
  border-bottom: 1px solid var(--border);
  padding: 20px 24px 18px;
  position: sticky;
  top: 70px;
  z-index: 100;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.prog-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.prog-step {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
}

.prog-connector {
  flex: 1;
  height: 1px;
  background: var(--border-md);
  margin: 0 10px;
  transition: background 0.3s;
}

.prog-step.done .prog-connector { background: var(--blue); }

.prog-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--border-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: all 0.3s;
}

.prog-step.active .prog-num {
  background: var(--blue);
  border-color: var(--blue);
  color: white;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.2);
}

.prog-step.done .prog-num {
  background: rgba(37, 99, 235, 0.25);
  border-color: var(--blue);
  color: #93C5FD;
}

.prog-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
  white-space: nowrap;
  transition: color 0.3s;
}

.prog-step.active .prog-label { color: var(--white); }
.prog-step.done .prog-label   { color: #60A5FA; }

.prog-bar-wrap {
  max-width: 640px;
  margin: 0 auto;
  height: 3px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

#progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #1D4ED8, var(--blue), #60A5FA);
  border-radius: 3px;
  transition: width 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  width: 25%;
}

/* ==================== MAIN LAYOUT ==================== */
.devis-wrapper {
  max-width: 1180px;
  margin: 0 auto;
  padding: 52px 24px 24px;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 44px;
  align-items: start;
}

/* ==================== STEP PANELS ==================== */
.step-panel { display: none; }

.step-panel.active {
  display: block;
  animation: stepIn 0.3s ease;
}

@keyframes stepIn {
  from { opacity: 0; transform: translateX(14px); }
  to   { opacity: 1; transform: translateX(0); }
}

.step-header { margin-bottom: 36px; }

.step-number {
  font-size: 12px;
  font-weight: 700;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 8px;
}

.step-header h2 {
  font-size: clamp(24px, 3.5vw, 38px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.step-header p {
  font-size: 15px;
  color: var(--text-sec);
}

/* ==================== PROJECT CARDS (step 1) ==================== */
.project-cards {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.project-card {
  display: grid;
  grid-template-columns: 56px 1fr auto auto;
  align-items: center;
  gap: 20px;
  padding: 22px 26px;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.project-card:hover {
  border-color: var(--border-md);
  background: var(--bg-card-2);
}

.project-card.selected {
  border-color: var(--blue);
  background: #0f1929;
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.3), 0 4px 20px rgba(37, 99, 235, 0.15);
}

.card-icon-wrap {
  font-size: 26px;
  width: 56px;
  height: 56px;
  background: rgba(37, 99, 235, 0.1);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s;
}

.project-card.selected .card-icon-wrap {
  background: rgba(37, 99, 235, 0.22);
}

.card-body h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.card-body p {
  font-size: 13px;
  color: var(--text-sec);
  line-height: 1.45;
}

.card-price-tag {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--blue);
  white-space: nowrap;
}

.card-check {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border-md);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: transparent;
  transition: all 0.2s;
  flex-shrink: 0;
}

.project-card.selected .card-check {
  background: var(--blue);
  border-color: var(--blue);
  color: white;
}

/* ==================== OPTIONS GRID (step 2) ==================== */
.options-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.option-toggle-card,
.option-stepper-card {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 16px 22px;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  user-select: none;
}

.option-toggle-card:hover {
  border-color: var(--border-md);
  background: var(--bg-card-2);
}

.option-toggle-card.checked {
  border-color: var(--blue);
  background: rgba(37, 99, 235, 0.07);
}

.option-stepper-card { cursor: default; }
.option-stepper-card:hover { border-color: var(--border-md); }

.opt-icon {
  font-size: 20px;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.option-toggle-card.checked .opt-icon {
  background: rgba(37, 99, 235, 0.15);
}

.opt-body h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 2px;
}

.opt-body p {
  font-size: 12px;
  color: var(--text-sec);
  line-height: 1.4;
}

.opt-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  flex-shrink: 0;
}

.opt-price {
  font-size: 13px;
  font-weight: 600;
  color: var(--blue);
  white-space: nowrap;
}

/* Toggle switch */
.opt-toggle {
  width: 38px;
  height: 22px;
  background: var(--border-md);
  border-radius: 11px;
  position: relative;
  transition: background 0.2s;
  flex-shrink: 0;
}

.opt-toggle::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  background: white;
  border-radius: 50%;
  top: 3px;
  left: 3px;
  transition: transform 0.2s;
  box-shadow: 0 1px 4px rgba(0,0,0,0.4);
}

.option-toggle-card.checked .opt-toggle {
  background: var(--blue);
}

.option-toggle-card.checked .opt-toggle::after {
  transform: translateX(16px);
}

/* Stepper */
.stepper {
  display: flex;
  align-items: center;
  gap: 10px;
}

.stepper-btn {
  width: 32px;
  height: 32px;
  background: var(--bg-card-2);
  border: 1px solid var(--border-md);
  border-radius: 8px;
  color: var(--text);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  line-height: 1;
  font-family: var(--font-body);
}

.stepper-btn:hover {
  background: rgba(37, 99, 235, 0.2);
  border-color: var(--blue);
  color: #60A5FA;
}

.stepper-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.stepper-val {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  min-width: 28px;
  text-align: center;
}

/* ==================== CONTACT FORM (step 3) ==================== */
.devis-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.devis-form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.devis-form-group.full { grid-column: 1 / -1; }

.devis-form-group label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-sec);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.devis-form-group label .req { color: var(--blue); margin-left: 2px; }

.devis-input {
  width: 100%;
  padding: 13px 16px;
  background: var(--bg-card);
  border: 2px solid var(--border-md);
  border-radius: 10px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
  -webkit-appearance: none;
  appearance: none;
}

.devis-input::placeholder { color: var(--text-muted); }

.devis-input:focus {
  border-color: var(--blue);
  background: var(--bg-card-2);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

select.devis-input {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394A3B8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

select.devis-input option {
  background: #1a2236;
  color: var(--text);
}

/* Error */
.step-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #FCA5A5;
  border-radius: 10px;
  padding: 12px 18px;
  font-size: 14px;
  margin-bottom: 20px;
  animation: stepIn 0.2s ease;
}

/* ==================== SUMMARY (step 4) ==================== */
.summary-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 28px;
}

.summary-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
}

.summary-block h4 {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.summary-block p {
  font-size: 15px;
  color: var(--text);
  line-height: 1.6;
}

.summary-block ul { display: flex; flex-direction: column; gap: 4px; }

.summary-block ul li {
  font-size: 14px;
  color: var(--text-sec);
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.summary-block ul li::before {
  content: '→';
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.summary-block ul li:last-child { border-bottom: none; }

.summary-total-block {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.14), rgba(37, 99, 235, 0.04));
  border: 1px solid rgba(37, 99, 235, 0.35);
  border-radius: var(--radius);
  padding: 24px 28px;
}

.summary-total-label {
  font-size: 16px;
  color: var(--text-sec);
  font-weight: 500;
}

.summary-total-amount {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1;
}

.summary-monthly {
  font-size: 15px;
  color: #60A5FA;
  font-weight: 600;
  display: block;
  margin-top: 4px;
}

/* ==================== ESTIMATE PANEL ==================== */
.devis-estimate {
  position: sticky;
  top: 160px;
}

.estimate-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-md);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.estimate-header {
  background: var(--blue);
  padding: 16px 24px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: white;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.estimate-body { padding: 24px; }

.estimate-total-row {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.estimate-lbl {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

#estimate-total {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 1;
  transition: color 0.2s;
}

.estimate-total-has-value #estimate-total { color: var(--white); }

#estimate-monthly {
  font-size: 13px;
  font-weight: 600;
  color: #60A5FA;
  margin-top: 6px;
  display: none;
}

.estimate-breakdown {
  min-height: 32px;
  margin-bottom: 20px;
}

.breakdown-empty {
  font-size: 13px;
  color: var(--text-muted);
  font-style: italic;
}

.breakdown-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 0;
  font-size: 13px;
  color: var(--text-sec);
  border-bottom: 1px solid var(--border);
}

.breakdown-line:last-child { border-bottom: none; }

.breakdown-line .b-label { color: var(--text-sec); }
.breakdown-line .b-amount { color: var(--text); font-weight: 500; }

.estimate-badges {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.estimate-badge {
  font-size: 13px;
  color: var(--text-sec);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ==================== NAV BUTTONS ==================== */
.devis-nav-bar {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 24px 72px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  border-top: 1px solid var(--border);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 960px) {
  .devis-wrapper {
    grid-template-columns: 1fr;
    padding: 36px 20px 0;
    gap: 32px;
  }

  .devis-estimate {
    position: static;
    order: 2;
  }

  .estimate-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    overflow: hidden;
  }

  .estimate-header {
    grid-column: 1 / -1;
  }

  .estimate-total-row {
    border-bottom: none;
    border-right: 1px solid var(--border);
    padding-bottom: 0;
    padding-right: 20px;
    margin-bottom: 0;
  }

  .estimate-body {
    display: contents;
  }

  .estimate-total-row,
  .estimate-breakdown,
  .estimate-badges {
    padding: 20px;
  }

  .estimate-breakdown {
    border-right: 1px solid var(--border);
  }
}

@media (max-width: 768px) {
  .prog-label { display: none; }

  .project-card {
    grid-template-columns: 48px 1fr auto;
    padding: 16px 18px;
    gap: 14px;
  }

  .card-price-tag { display: none; }

  .devis-form-grid { grid-template-columns: 1fr; }
  .devis-form-group.full { grid-column: 1; }

  .estimate-panel {
    display: block;
  }

  .estimate-total-row {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding-bottom: 16px;
    margin-bottom: 16px;
    padding-right: 0;
  }

  .devis-nav-bar { padding-bottom: 48px; }

  /* iOS: prevent auto-zoom on input focus (requires font-size ≥ 16px) */
  .devis-input { font-size: 16px; }

  /* Reduce hero bar padding on small screens */
  .devis-hero-bar { padding: 96px 0 36px; }
}

@media (max-width: 480px) {
  .project-card { padding: 14px 14px; gap: 12px; }
  .card-icon-wrap { width: 44px; height: 44px; font-size: 22px; border-radius: 10px; }
  .option-toggle-card, .option-stepper-card { padding: 12px 14px; gap: 10px; }
  .opt-icon { width: 36px; height: 36px; font-size: 17px; border-radius: 8px; }

  /* WCAG touch targets: stepper buttons must be ≥ 44×44px */
  .stepper-btn { width: 44px; height: 44px; font-size: 20px; }

  /* Summary total: smaller font on tiny screens */
  .summary-total-amount { font-size: 32px; }
  #estimate-total { font-size: 32px; }
}