/**
 * style.css – Kundenanfrageformular
 * ─────────────────────────────────
 * Ergänzt Tailwind um projektspezifische Komponenten-Styles.
 * Tailwind-Utilities werden in HTML gesetzt; hier nur was Tailwind
 * nicht ohne weiteres abdeckt (Animationen, komplexe Zustände, etc.).
 *
 * Struktur:
 *  1. CSS Custom Properties (Design Tokens)
 *  2. Animationen & Keyframes
 *  3. Formular-Komponenten
 *     – Feld-Gruppe, Label, Input, Fehleranzeige
 *     – Leistungs-Kacheln (service-tile)
 *     – Schritt-Fortschrittsanzeige (step-dots)
 *     – Buttons
 *  4. Success-Screen
 *  5. Utility-Klassen
 */

/* ════════════════════════════════════════════════════════════════════════
   1. CSS CUSTOM PROPERTIES
   ════════════════════════════════════════════════════════════════════════ */
:root {
  --gold:           #c9993a;
  --gold-light:     #e8bb6a;
  --gold-dark:      #9a7120;
  --gold-muted:     rgba(201,153,58,0.15);
  --gold-glow:      rgba(201,153,58,0.2);

  --panel:          #181c2a;
  --panel-light:    #1f2436;
  --panel-border:   #2a2f45;

  --text-primary:   rgba(255,255,255,0.92);
  --text-secondary: rgba(255,255,255,0.5);
  --text-muted:     rgba(255,255,255,0.28);

  --input-bg:       #141828;
  --input-border:   rgba(255,255,255,0.1);
  --input-focus:    rgba(201,153,58,0.55);

  --error-bg:       rgba(239,68,68,0.08);
  --error-border:   rgba(239,68,68,0.35);
  --error-text:     #f87171;

  --radius-md:      0.75rem;
  --radius-lg:      1rem;

  --transition-fast: 160ms ease;
  --transition-med:  260ms ease;
}

/* ════════════════════════════════════════════════════════════════════════
   2. ANIMATIONEN & KEYFRAMES
   ════════════════════════════════════════════════════════════════════════ */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Schritt-Übergang: vorwärts (von rechts einblenden) */
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Schritt-Übergang: rückwärts (von links einblenden) */
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-24px); }
  to   { opacity: 1; transform: translateX(0); }
}

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

/* SVG Checkmark zeichnen */
@keyframes drawCheck {
  to { stroke-dashoffset: 0; }
}

/* Sanftes Pulsieren des Erfolgs-Rings */
@keyframes pulseRing {
  0%   { box-shadow: 0 0 0 0 rgba(201,153,58,0.4); }
  70%  { box-shadow: 0 0 0 18px rgba(201,153,58,0); }
  100% { box-shadow: 0 0 0 0 rgba(201,153,58,0); }
}

/* Hilfsklassen mit CSS-Variable --delay */
.anim-fade-up {
  animation: fadeUp 0.55s ease both;
  animation-delay: var(--delay, 0s);
}
.anim-fade-in {
  animation: fadeIn 0.4s ease both;
  animation-delay: var(--delay, 0s);
}

/* Einblend-Klassen für Formular-Schritte (per JS gesetzt) */
.step-enter-right {
  animation: slideInRight 0.35s cubic-bezier(0.22,1,0.36,1) both;
}
.step-enter-left {
  animation: slideInLeft 0.35s cubic-bezier(0.22,1,0.36,1) both;
}

/* Lade-Spinner */
.spinner {
  animation: spin 1.1s linear infinite;
}

/* ════════════════════════════════════════════════════════════════════════
   3. FORMULAR-KOMPONENTEN
   ════════════════════════════════════════════════════════════════════════ */

/* ── Schritt-Header ───────────────────────────────────────────────────── */

.step-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.12rem 0.6rem;
  border-radius: 99px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--gold-light);
  background: var(--gold-muted);
  border: 1px solid rgba(201,153,58,0.22);
  margin-bottom: 0.5rem;
}

.step-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(1.3rem, 2.5vw, 1.65rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 0.2rem;
}

.step-subtitle {
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--text-secondary);
}

/* ── Fortschritts-Dots ────────────────────────────────────────────────── */

.pdot {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  font-weight: 500;
  color: rgba(255,255,255,0.28);
  transition: color var(--transition-med);
  flex: 1;
}

/* Verbindungslinie zwischen Dots */
.pdot + .pdot::before {
  content: '';
  display: block;
  height: 1px;
  flex: 1;
  background: rgba(255,255,255,0.1);
  transition: background var(--transition-med);
  order: -1;
  margin-right: 0.4rem;
}

.pdot.active + .pdot::before,
.pdot.done + .pdot::before { background: rgba(201,153,58,0.35); }

.pdot-circle {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.68rem;
  font-weight: 600;
  flex-shrink: 0;
  border: 1.5px solid rgba(255,255,255,0.12);
  background: transparent;
  transition: all var(--transition-med);
}

.pdot-label {
  display: none;
}

/* Aktiver Schritt */
.pdot.active { color: var(--gold-light); }
.pdot.active .pdot-circle {
  border-color: var(--gold);
  background: var(--gold-muted);
  color: var(--gold-light);
}

/* Abgeschlossener Schritt */
.pdot.done { color: rgba(201,153,58,0.65); }
.pdot.done .pdot-circle {
  border-color: var(--gold-dark);
  background: rgba(201,153,58,0.18);
  color: var(--gold);
}

/* Labels auf Tablet+ anzeigen */
@media (min-width: 480px) {
  .pdot-label { display: block; }
}

/* ── Feld-Gruppe / Labels / Inputs ───────────────────────────────────── */

.field-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field-label {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: rgba(255,255,255,0.68);
}

.req-star {
  color: var(--gold);
  font-size: 0.7rem;
  margin-left: 1px;
}

.optional-tag {
  color: rgba(255,255,255,0.22);
  font-size: 0.68rem;
  font-weight: 400;
}

/* Gemeinsamer Input-/Textarea-Stil */
.field-input {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--input-bg);
  border: 1.5px solid var(--input-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1.5;
  outline: none;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

.field-input::placeholder {
  color: rgba(255,255,255,0.18);
}

.field-input:hover {
  border-color: rgba(255,255,255,0.18);
}

.field-input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-glow);
  background: rgba(18,22,38,0.95);
}

/* Validierungsfehler-Zustand */
.field-input.is-invalid {
  border-color: rgba(239,68,68,0.55);
  box-shadow: 0 0 0 3px rgba(239,68,68,0.1);
}

/* Date-Input Kalender-Icon (WebKit) */
.field-date::-webkit-calendar-picker-indicator {
  filter: invert(0.7) brightness(0.6);
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}
.field-date::-webkit-calendar-picker-indicator:hover { opacity: 1; }

/* Inline-Fehler unter einem Feld */
.field-error {
  font-size: 0.72rem;
  color: var(--error-text);
  display: none;
  margin-top: 0.1rem;
  line-height: 1.4;
}
.field-error.visible {
  display: block;
}

/* ── Service Tiles (Leistungs-Kacheln) ───────────────────────────────── */

.service-tile {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.875rem 0.875rem;
  background: var(--input-bg);
  border: 1.5px solid var(--panel-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  user-select: none;
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.service-tile:hover {
  border-color: rgba(201,153,58,0.28);
  background: rgba(201,153,58,0.04);
  transform: translateY(-1px);
}

.service-tile.is-selected {
  border-color: var(--gold);
  background: rgba(201,153,58,0.07);
  box-shadow: 0 0 0 1px rgba(201,153,58,0.18), 0 4px 16px rgba(201,153,58,0.1);
}

.service-icon-wrap {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  flex-shrink: 0;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.service-icon-wrap svg {
  width: 17px;
  height: 17px;
  color: rgba(255,255,255,0.4);
  transition: color var(--transition-fast);
}

.service-tile.is-selected .service-icon-wrap {
  background: var(--gold-muted);
  border-color: rgba(201,153,58,0.3);
}
.service-tile.is-selected .service-icon-wrap svg {
  color: var(--gold-light);
}

.service-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,0.82);
  line-height: 1.2;
  margin-bottom: 0.1rem;
}

.service-desc {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.32);
  line-height: 1.3;
}

.service-check-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-left: auto;
  transition: all var(--transition-fast);
}
.service-check-icon svg {
  width: 9px;
  height: 9px;
  color: transparent;
  transition: color var(--transition-fast);
}

.service-tile.is-selected .service-check-icon {
  background: var(--gold);
  border-color: var(--gold);
}
.service-tile.is-selected .service-check-icon svg {
  color: #0d0f18;
}

/* ── Buttons ──────────────────────────────────────────────────────────── */

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  color: #0d0f18;
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%);
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition:
    opacity var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}
.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(201,153,58,0.38);
}
.btn-primary:active {
  transform: translateY(0);
  opacity: 1;
}
.btn-primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1.2rem;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 400;
  color: rgba(255,255,255,0.55);
  background: rgba(255,255,255,0.04);
  border: 1.5px solid rgba(255,255,255,0.1);
  cursor: pointer;
  white-space: nowrap;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.82);
}

/* ════════════════════════════════════════════════════════════════════════
   4. SUCCESS SCREEN
   ════════════════════════════════════════════════════════════════════════ */

.success-ring {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(201,153,58,0.07);
  border: 2px solid rgba(201,153,58,0.2);
  animation: pulseRing 1.8s ease-in-out 0.4s both;
}

/* SVG-Pfad-Animation für Checkmark */
.check-path {
  animation: drawCheck 0.7s cubic-bezier(0.22,1,0.36,1) 0.25s both;
}

/* ════════════════════════════════════════════════════════════════════════
   5. UTILITY / HELFER
   ════════════════════════════════════════════════════════════════════════ */

/* Screen-Reader-Only (Accessibility) */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

/* Scrollbalken */
::-webkit-scrollbar       { width: 6px; }
::-webkit-scrollbar-track { background: var(--panel); }
::-webkit-scrollbar-thumb { background: var(--panel-border); border-radius: 99px; }

/* Text-Selektion */
::selection { background: rgba(201,153,58,0.3); color: #fff; }

html { scroll-behavior: smooth; }