/* Teklif Sistemi — Özel Stil */
.teklif-hero { background: var(--navy); padding: 140px 0 60px; color: var(--white); text-align: center; }
.teklif-hero h1 { color: var(--white); margin-bottom: 12px; }
.teklif-hero h1 em { color: var(--gold); font-style: italic; }
.teklif-hero p { color: rgba(255,255,255,.75); max-width: 640px; margin: 0 auto; }

.teklif-wrap {
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-dark) 100%);
  padding: 40px 0 100px;
  position: relative;
}

.teklif-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 28px;
  align-items: start;
}

@media (max-width: 1000px) {
  .teklif-grid { grid-template-columns: 1fr; }
}

/* Sol — Canvas */
.preview-panel {
  background: linear-gradient(180deg, #F5F2EA 0%, #E8DFC8 100%);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: sticky;
  top: 100px;
  box-shadow: 0 25px 60px rgba(0,0,0,.3);
}

@media (max-width: 1000px) {
  .preview-panel { position: relative; top: 0; }
}

.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px dashed rgba(26,43,74,.15);
}
.preview-title { font-family: var(--font-serif); color: var(--navy); font-size: 1.2rem; }
.preview-badge {
  background: var(--navy); color: var(--gold); padding: 4px 12px;
  border-radius: 20px; font-size: .75rem; letter-spacing: .1em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 6px;
}
.preview-badge .dot {
  width: 6px; height: 6px; background: var(--gold); border-radius: 50%;
  animation: pulse 1.5s infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .4; transform: scale(1.3); } }

#projectPreview {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(180deg, #FAF8F2 0%, #E8DFC8 100%);
  border-radius: 8px;
  display: block;
}

.preview-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 20px;
}
.pstat {
  background: rgba(26,43,74,.05);
  padding: 14px;
  border-radius: var(--radius);
  text-align: center;
}
.pstat-label { font-size: .7rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin-bottom: 4px; }
.pstat-val { font-family: var(--font-serif); font-weight: 700; color: var(--navy); font-size: 1.3rem; }
.pstat-val small { font-size: .7rem; opacity: .7; margin-left: 2px; }

/* Sağ — Form */
.form-panel {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: 0 25px 60px rgba(0,0,0,.3);
  min-height: 560px;
  display: flex;
  flex-direction: column;
}

.progress-bar {
  display: flex;
  gap: 4px;
  margin-bottom: 28px;
}
.progress-bar .seg {
  flex: 1; height: 4px; background: var(--gray-200); border-radius: 2px;
  transition: background .3s;
}
.progress-bar .seg.done { background: var(--gold); }
.progress-bar .seg.active { background: var(--gold); }

.step {
  display: none;
  animation: fadeInUp .4s var(--ease);
}
.step.active { display: block; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.step-num {
  display: inline-block;
  color: var(--gold);
  font-size: .8rem;
  letter-spacing: .2em;
  font-weight: 600;
  margin-bottom: 8px;
}
.step h2 {
  font-size: 1.6rem;
  margin-bottom: 8px;
}
.step p.hint {
  color: var(--muted);
  margin-bottom: 24px;
  font-size: .95rem;
}

/* Option cards (seçim butonları) */
.options {
  display: grid;
  gap: 12px;
}
.options.cols-2 { grid-template-columns: 1fr 1fr; }
.options.cols-3 { grid-template-columns: repeat(3, 1fr); }
.options.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 600px) {
  .options.cols-3, .options.cols-4 { grid-template-columns: 1fr 1fr; }
}

.option {
  border: 2px solid var(--gray-200);
  padding: 18px 16px;
  border-radius: var(--radius);
  cursor: pointer;
  text-align: center;
  transition: all .25s;
  background: var(--white);
  font-family: inherit;
  font-size: .95rem;
  color: var(--text);
  position: relative;
}
.option:hover { border-color: var(--gold); background: #FDFAF2; }
.option.selected {
  border-color: var(--gold);
  background: #FDFAF2;
  box-shadow: 0 0 0 3px rgba(201,169,97,.15);
}
.option.selected::after {
  content: '✓';
  position: absolute;
  top: 8px; right: 10px;
  color: var(--gold);
  font-weight: 700;
}
.option .icon {
  font-size: 1.8rem;
  margin-bottom: 8px;
  display: block;
}
.option .label { font-weight: 600; display: block; }
.option .sub { font-size: .8rem; color: var(--muted); display: block; margin-top: 4px; }

/* Slider (sayısal değerler) */
.slider-row {
  background: var(--gray-100);
  padding: 24px;
  border-radius: var(--radius-lg);
  text-align: center;
  margin: 16px 0;
}
.slider-value {
  font-family: var(--font-serif);
  font-size: 3rem;
  color: var(--navy);
  font-weight: 700;
  line-height: 1;
}
.slider-value small { font-size: 1rem; color: var(--muted); font-weight: 400; margin-left: 6px; }
.slider-row input[type=range] {
  width: 100%;
  margin-top: 16px;
  accent-color: var(--gold);
}

/* Checkbox grid */
.checks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
@media (max-width: 500px) { .checks { grid-template-columns: 1fr; } }
.check {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px; border: 2px solid var(--gray-200); border-radius: var(--radius);
  cursor: pointer; transition: all .2s;
  background: var(--white);
}
.check:hover { border-color: var(--gold); }
.check.selected { border-color: var(--gold); background: #FDFAF2; }
.check input { accent-color: var(--gold); width: 18px; height: 18px; }
.check .label { font-size: .92rem; }

/* Color swatches */
.colors { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.color-swatch {
  width: 60px; height: 60px; border-radius: 50%; cursor: pointer;
  border: 3px solid transparent; transition: all .2s;
  position: relative;
}
.color-swatch.selected { border-color: var(--gold); transform: scale(1.1); box-shadow: 0 4px 16px rgba(0,0,0,.15); }
.color-swatch .name {
  position: absolute; top: 110%; left: 50%; transform: translateX(-50%);
  font-size: .75rem; color: var(--muted); white-space: nowrap;
}

/* Input field */
.field {
  display: block;
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  background: var(--white);
  transition: border-color .2s;
}
.field:focus { outline: 0; border-color: var(--gold); }

/* Navigation */
.step-nav {
  margin-top: auto;
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.btn-back {
  background: transparent;
  border: 2px solid var(--gray-200);
  color: var(--muted);
  padding: 12px 24px;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
  transition: all .2s;
}
.btn-back:hover { border-color: var(--navy); color: var(--navy); }
.btn-next {
  background: var(--navy);
  color: var(--white);
  padding: 14px 32px;
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all .3s;
  margin-left: auto;
}
.btn-next:hover { background: var(--gold); color: var(--navy); transform: translateY(-2px); }
.btn-next:disabled { background: var(--gray-200); color: var(--muted); cursor: not-allowed; transform: none; }

/* Summary (final step) */
.summary-list {
  background: var(--gray-100);
  padding: 20px 24px;
  border-radius: var(--radius);
  margin: 16px 0 24px;
}
.summary-list dl {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px 16px;
  margin: 0;
}
.summary-list dt { color: var(--muted); font-size: .9rem; }
.summary-list dd { margin: 0; font-weight: 600; color: var(--navy); font-size: .92rem; text-align: right; }

.estimate-box {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  padding: 24px;
  border-radius: var(--radius-lg);
  margin: 20px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.estimate-box::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--gold) 0%, transparent 70%);
  opacity: .2;
}
.estimate-box .label {
  font-size: .75rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 6px;
}
.estimate-box .value {
  font-family: var(--font-serif); font-size: 2rem; font-weight: 700;
  color: var(--white);
}
.estimate-box .note { opacity: .7; font-size: .8rem; margin-top: 6px; }

.success-box {
  text-align: center;
  padding: 40px 20px;
}
.success-box .icon {
  width: 80px; height: 80px; margin: 0 auto 20px;
  background: var(--gold); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--white); font-size: 2rem;
  animation: bounceIn .6s var(--ease);
}
@keyframes bounceIn {
  0% { transform: scale(0); opacity: 0; }
  60% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(1); }
}
.success-box h2 { margin-bottom: 12px; }
.success-box .code {
  display: inline-block;
  background: var(--cream);
  padding: 8px 20px;
  font-family: monospace;
  font-size: 1.2rem;
  color: var(--navy);
  border-radius: var(--radius);
  margin: 16px 0;
  letter-spacing: .05em;
}