/* ═══════════════════════════════════════════
   KLİMA SERVİS FORMU – form.css v2.0
   ═══════════════════════════════════════════ */

:root {
  --ksf-blue:       #3b5bdb;
  --ksf-blue-dark:  #2f4ac2;
  --ksf-blue-light: #e8eeff;
  --ksf-text:       #1a1f2e;
  --ksf-muted:      #6b7280;
  --ksf-border:     #e2e8f0;
  --ksf-bg:         #f4f6fb;
  --ksf-card-bg:    #ffffff;
  --ksf-radius:     12px;
  --ksf-radius-sm:  8px;
  --ksf-shadow:     0 2px 24px rgba(59,91,219,.08), 0 1px 4px rgba(0,0,0,.05);
}

/* ── PAGE WRAPPER ────────────────────────────── */
.ksf-page {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--ksf-bg);
  min-height: 100vh;
  padding: 32px 16px 48px;
  box-sizing: border-box;
  color: var(--ksf-text);
}

.ksf-page *, .ksf-page *::before, .ksf-page *::after { box-sizing: inherit; }

/* ── PAGE HEADER ─────────────────────────────── */
.ksf-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 24px;
}

.ksf-header h1 {
  font-size: clamp(24px, 5vw, 32px);
  font-weight: 800;
  margin: 0 0 8px;
  color: var(--ksf-text);
}

.ksf-header > p {
  font-size: 15px;
  color: var(--ksf-muted);
  margin: 0 0 20px;
}

/* ── PROGRESS ────────────────────────────────── */
.ksf-progress { display: flex; flex-direction: column; align-items: center; gap: 8px; }

.ksf-progress__bar {
  display: flex;
  gap: 6px;
  align-items: center;
}

.ksf-progress__seg {
  height: 6px;
  width: 48px;
  border-radius: 99px;
  background: #d1d9e6;
  transition: background .3s, width .3s;
}

.ksf-progress__seg.active   { background: var(--ksf-blue); }
.ksf-progress__seg.done     { background: var(--ksf-blue); }

.ksf-progress__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ksf-muted);
}

/* ── CARD ────────────────────────────────────── */
.ksf-card {
  background: var(--ksf-card-bg);
  border-radius: var(--ksf-radius);
  box-shadow: var(--ksf-shadow);
  max-width: 600px;
  margin: 0 auto;
  padding: 28px 28px 24px;
}

/* ── STEP ────────────────────────────────────── */
.ksf-step__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--ksf-border);
  margin-bottom: 22px;
}

.ksf-step__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--ksf-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ksf-step__icon svg { width: 20px; height: 20px; }

.ksf-step__icon--blue   { background: #e8eeff; color: #3b5bdb; }
.ksf-step__icon--purple { background: #f3e8ff; color: #8b5cf6; }
.ksf-step__icon--teal   { background: #e0f2fe; color: #0284c7; }

.ksf-step__head h2 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 3px;
}

.ksf-step__head p {
  font-size: 13px;
  color: var(--ksf-muted);
  margin: 0;
}

/* ── SECTION LABEL ───────────────────────────── */
.ksf-section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .07em;
  color: var(--ksf-muted);
  margin-bottom: 10px;
  text-transform: uppercase;
}

.ksf-req { color: #ef4444; }
.ksf-opt { font-weight: 400; text-transform: none; font-size: 11px; color: var(--ksf-muted); letter-spacing: 0; }

/* ── SERVICE GRID (Adım 1) ───────────────────── */
.ksf-service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 4px;
}

.ksf-service-card { cursor: pointer; }

.ksf-service-card input[type="radio"] {
  position: absolute; opacity: 0; pointer-events: none;
}

.ksf-service-card__inner {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 12px;
  border: 1.5px solid var(--ksf-border);
  border-radius: var(--ksf-radius-sm);
  background: #fafbff;
  transition: border-color .18s, background .18s, box-shadow .18s;
}

.ksf-service-card:hover .ksf-service-card__inner,
.ksf-service-card input:checked + .ksf-service-card__inner {
  border-color: var(--ksf-blue);
  background: var(--ksf-blue-light);
  box-shadow: 0 0 0 3px rgba(59,91,219,.10);
}

.ksf-service-card__ico {
  width: 36px; height: 36px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
}

.ksf-service-card__ico svg { width: 18px; height: 18px; }

.ksf-service-card__label { font-size: 13px; font-weight: 700; }
.ksf-service-card__desc  { font-size: 11px; color: var(--ksf-muted); line-height: 1.3; }

/* ── ICON COLORS ─────────────────────────────── */
.ksf-ico--blue   { background: #e8eeff; color: #3b5bdb; }
.ksf-ico--green  { background: #dcfce7; color: #16a34a; }
.ksf-ico--purple { background: #f3e8ff; color: #9333ea; }
.ksf-ico--orange { background: #fff7ed; color: #ea580c; }
.ksf-ico--red    { background: #fee2e2; color: #dc2626; }
.ksf-ico--teal   { background: #e0f2fe; color: #0284c7; }
.ksf-ico--pink   { background: #fce7f3; color: #db2777; }
.ksf-ico--gray   { background: #f3f4f6; color: #6b7280; }

/* ── SYMPTOM GRID (Adım 2) ───────────────────── */
.ksf-symptom-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 4px;
}

.ksf-symptom-card { cursor: pointer; }

.ksf-symptom-card input[type="radio"] {
  position: absolute; opacity: 0; pointer-events: none;
}

.ksf-symptom-card__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 8px;
  border: 1.5px solid var(--ksf-border);
  border-radius: var(--ksf-radius-sm);
  background: #fafbff;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  transition: border-color .18s, background .18s, box-shadow .18s;
}

.ksf-symptom-card:hover .ksf-symptom-card__inner,
.ksf-symptom-card input:checked + .ksf-symptom-card__inner {
  border-color: var(--ksf-blue);
  background: var(--ksf-blue-light);
  box-shadow: 0 0 0 3px rgba(59,91,219,.10);
}

.ksf-symptom-card__ico {
  width: 32px; height: 32px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
}

.ksf-symptom-card__ico svg { width: 16px; height: 16px; }

/* ── SELECT ──────────────────────────────────── */
.ksf-select-wrap { position: relative; }

.ksf-select-wrap select {
  width: 100%;
  padding: 11px 36px 11px 14px;
  border: 1.5px solid var(--ksf-border);
  border-radius: var(--ksf-radius-sm);
  font-size: 14px;
  color: var(--ksf-text);
  background: #fafbff;
  appearance: none;
  cursor: pointer;
  outline: none;
  transition: border-color .18s, box-shadow .18s;
}

.ksf-select-wrap select:focus {
  border-color: var(--ksf-blue);
  box-shadow: 0 0 0 3px rgba(59,91,219,.12);
}

.ksf-chevron {
  position: absolute; right: 12px; top: 50%;
  transform: translateY(-50%);
  width: 14px; height: 14px;
  color: var(--ksf-muted);
  pointer-events: none;
}

/* ── TEXTAREA ─────────────────────────────────── */
.ksf-step textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--ksf-border);
  border-radius: var(--ksf-radius-sm);
  font-size: 14px;
  color: var(--ksf-text);
  background: #fafbff;
  resize: vertical;
  min-height: 88px;
  outline: none;
  transition: border-color .18s, box-shadow .18s;
  font-family: inherit;
}

.ksf-step textarea:focus {
  border-color: var(--ksf-blue);
  box-shadow: 0 0 0 3px rgba(59,91,219,.12);
}

/* ── CONTACT GRID (Adım 3) ───────────────────── */
.ksf-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.ksf-field { display: flex; flex-direction: column; gap: 6px; }
.ksf-field--full { grid-column: 1 / -1; }

.ksf-field label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .07em;
  color: var(--ksf-muted);
  text-transform: uppercase;
}

.ksf-field input[type="text"],
.ksf-field input[type="tel"],
.ksf-field input[type="email"] {
  padding: 11px 14px;
  border: 1.5px solid var(--ksf-border);
  border-radius: var(--ksf-radius-sm);
  font-size: 14px;
  color: var(--ksf-text);
  background: #fafbff;
  outline: none;
  transition: border-color .18s, box-shadow .18s;
  font-family: inherit;
}

.ksf-field input:focus {
  border-color: var(--ksf-blue);
  box-shadow: 0 0 0 3px rgba(59,91,219,.12);
}

.ksf-field input.ksf--invalid { border-color: #ef4444; }

/* ── CONTACT PREFERENCE ──────────────────────── */
.ksf-contact-pref {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.ksf-pref-card { cursor: pointer; }

.ksf-pref-card input[type="radio"] {
  position: absolute; opacity: 0; pointer-events: none;
}

.ksf-pref-card__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 8px;
  border: 1.5px solid var(--ksf-border);
  border-radius: var(--ksf-radius-sm);
  background: #fafbff;
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  transition: border-color .18s, background .18s, box-shadow .18s;
}

.ksf-pref-card__inner svg { width: 20px; height: 20px; color: var(--ksf-muted); }

.ksf-pref-card:hover .ksf-pref-card__inner,
.ksf-pref-card input:checked + .ksf-pref-card__inner {
  border-color: var(--ksf-blue);
  background: var(--ksf-blue-light);
  box-shadow: 0 0 0 3px rgba(59,91,219,.10);
  color: var(--ksf-blue);
}

.ksf-pref-card input:checked + .ksf-pref-card__inner svg { color: var(--ksf-blue); }

/* ── KVKK ─────────────────────────────────────── */
.ksf-kvkk {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border: 1.5px solid var(--ksf-border);
  border-radius: var(--ksf-radius-sm);
  cursor: pointer;
  font-size: 12px;
  color: var(--ksf-muted);
  line-height: 1.5;
  margin-bottom: 4px;
}

.ksf-kvkk input[type="checkbox"] {
  flex-shrink: 0;
  margin-top: 1px;
  width: 15px; height: 15px;
  accent-color: var(--ksf-blue);
  cursor: pointer;
}

.ksf-kvkk a { color: var(--ksf-blue); }

/* ── ERRORS ───────────────────────────────────── */
.ksf-error { font-size: 12px; color: #ef4444; min-height: 16px; display: block; }

/* ── FOOTER BUTTONS ──────────────────────────── */
.ksf-step__footer {
  margin-top: 24px;
  display: flex;
  justify-content: flex-end;
}

.ksf-step__footer--two {
  justify-content: space-between;
  align-items: center;
}

/* ── BUTTONS ──────────────────────────────────── */
.ksf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 13px 28px;
  border-radius: var(--ksf-radius-sm);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background .18s, transform .15s, box-shadow .18s;
  font-family: inherit;
}

.ksf-btn--next,
.ksf-btn--submit {
  background: var(--ksf-blue);
  color: #fff;
  flex: 1;
  max-width: 340px;
  box-shadow: 0 4px 14px rgba(59,91,219,.30);
}

.ksf-btn--next:hover,
.ksf-btn--submit:hover {
  background: var(--ksf-blue-dark);
  transform: translateY(-1px);
}

.ksf-btn--next:active,
.ksf-btn--submit:active { transform: translateY(0); }

.ksf-btn--next:disabled,
.ksf-btn--submit:disabled { opacity: .7; cursor: not-allowed; transform: none; }

.ksf-btn--back {
  background: transparent;
  color: var(--ksf-text);
  border: 1.5px solid var(--ksf-border);
  padding: 12px 22px;
}

.ksf-btn--back:hover { background: #f4f6fb; }

.ksf-btn--wa {
  background: #25d366;
  color: #fff;
  padding: 13px 28px;
  box-shadow: 0 4px 14px rgba(37,211,102,.28);
  margin-top: 12px;
}

.ksf-btn--wa:hover { background: #1eba57; transform: translateY(-1px); color: #fff; }

.ksf-btn__spinner svg {
  width: 18px; height: 18px;
  animation: ksf-spin .8s linear infinite;
}

@keyframes ksf-spin { to { transform: rotate(360deg); } }

/* ── SUCCESS ──────────────────────────────────── */
.ksf-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 40px 20px;
}

.ksf-success__icon {
  width: 60px; height: 60px;
  background: #22c55e;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  box-shadow: 0 6px 20px rgba(34,197,94,.28);
}

.ksf-success__icon svg { width: 26px; height: 26px; color: #fff; }

.ksf-success h3 { font-size: 22px; font-weight: 800; margin: 0 0 8px; }
.ksf-success p  { color: var(--ksf-muted); font-size: 14px; margin: 0; }

/* ── TRUST BAR ────────────────────────────────── */
.ksf-trust-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  max-width: 600px;
  margin: 20px auto 0;
  font-size: 12px;
  color: var(--ksf-muted);
}

/* ── RESPONSIVE ───────────────────────────────── */
@media (max-width: 560px) {
  .ksf-card { padding: 20px 16px 20px; }

  .ksf-service-grid { grid-template-columns: 1fr 1fr; }

  .ksf-symptom-grid { grid-template-columns: 1fr 1fr 1fr; }

  .ksf-contact-grid { grid-template-columns: 1fr; }
  .ksf-field--full  { grid-column: 1; }

  .ksf-contact-pref { grid-template-columns: repeat(3, 1fr); }

  .ksf-btn--next,
  .ksf-btn--submit { max-width: 100%; }
}

@media (max-width: 380px) {
  .ksf-symptom-grid  { grid-template-columns: 1fr 1fr; }
  .ksf-service-grid  { grid-template-columns: 1fr 1fr; }
  .ksf-contact-pref  { grid-template-columns: 1fr 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .ksf-btn__spinner svg { animation: none; }
  .ksf-badge::before    { animation: none; }
}