/* ==========================================================================
   Wiederverwendbare Komponenten
   ========================================================================== */

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: var(--fs-400);
  font-family: var(--font-body);
  font-style: normal;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--gradient-accent);
  color: var(--color-accent-contrast);
  box-shadow: var(--shadow-md);
}
.btn--primary:hover { box-shadow: var(--shadow-lg); color: var(--color-accent-contrast); }

.btn--secondary {
  background: var(--color-surface);
  color: var(--color-heading);
  border-color: var(--color-border-strong);
}
.btn--secondary:hover { border-color: var(--color-accent); color: var(--color-accent); }

.btn--ghost {
  background: transparent;
  color: var(--color-accent);
  padding-inline: var(--space-3);
}
.btn--ghost:hover { color: var(--color-accent-strong); }

.btn--block { width: 100%; }
.btn--lg { padding: var(--space-4) var(--space-7); font-size: var(--fs-500); }

/* ---- Karten ---- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-mode), border-color var(--transition-mode), box-shadow var(--transition-fast), transform var(--transition-fast);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.service-card__icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}
.service-card__icon svg { width: 26px; height: 26px; }
.service-card h3 { font-size: var(--fs-600); margin-bottom: var(--space-2); }
.service-card p { color: var(--color-text-muted); margin-bottom: var(--space-4); }
.service-card ul { list-style: none; padding: 0; margin: 0 0 var(--space-4); display: grid; gap: var(--space-2); }
.service-card li {
  font-size: var(--fs-300);
  color: var(--color-text);
  padding-left: var(--space-5);
  position: relative;
}
.service-card li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55em;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}
.service-card__link { font-weight: 700; font-size: var(--fs-300); text-decoration: none; }

/* ---- Badges ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--fs-200);
  font-weight: 700;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge--pool { background: var(--color-badge-pool-bg); color: var(--color-badge-pool-text); }
.badge--teich { background: var(--color-badge-teich-bg); color: var(--color-badge-teich-text); }

/* ---- Trust-Bullets ---- */
.trust-bullets { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
@media (max-width: 760px) { .trust-bullets { grid-template-columns: 1fr; } }
.trust-bullets li { display: flex; gap: var(--space-3); }
.trust-bullets__icon {
  flex-shrink: 0;
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--color-bg-alt);
  color: var(--color-accent);
}
.trust-bullets__icon svg { width: 20px; height: 20px; }
.trust-bullets h3 { font-size: var(--fs-500); margin-bottom: var(--space-1); }
.trust-bullets p { color: var(--color-text-muted); font-size: var(--fs-300); }

/* ---- Prozess-Schritte ---- */
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-5); counter-reset: step; }
@media (max-width: 760px) { .process-steps { grid-template-columns: 1fr; } }
.process-steps li { list-style: none; counter-increment: step; }
.process-steps__num {
  display: grid; place-items: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--gradient-accent);
  color: var(--color-accent-contrast);
  font-weight: 700;
  margin-bottom: var(--space-3);
}
.process-steps h3 { font-size: var(--fs-500); margin-bottom: var(--space-1); }
.process-steps p { color: var(--color-text-muted); font-size: var(--fs-300); }

/* ---- Warum-Pflege / Konsequenzen ---- */
.consequence-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5); }
@media (max-width: 760px) { .consequence-grid { grid-template-columns: 1fr; } }
.consequence-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-error);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}
.consequence-card h3 { font-size: var(--fs-500); margin-bottom: var(--space-2); }
.consequence-card p { color: var(--color-text-muted); font-size: var(--fs-300); margin-bottom: var(--space-3); }
.consequence-card__folge {
  display: inline-block;
  font-size: var(--fs-200);
  font-weight: 700;
  color: var(--color-error);
  background: var(--color-error-bg);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
}

/* ---- Vorher/Nachher Slider ---- */
.before-after {
  position: relative;
  cursor: ew-resize;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  user-select: none;
  touch-action: pan-y;
}
.before-after__img { position: absolute; inset: 0; width: 100%; height: 100%; background-size: cover; background-position: center; }
.before-after__after { z-index: 1; }
.before-after__before { z-index: 2; clip-path: inset(0 calc(100% - var(--reveal, 50%)) 0 0); }
.before-after__label {
  position: absolute; top: var(--space-3);
  z-index: 3;
  font-size: var(--fs-200); font-weight: 700;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  background: var(--color-overlay);
  color: #fff;
  letter-spacing: 0.04em;
}
.before-after__label--before { left: var(--space-3); }
.before-after__label--after { right: var(--space-3); }
.before-after__handle {
  position: absolute;
  z-index: 4;
  top: 0; bottom: 0;
  left: var(--reveal, 50%);
  width: 4px;
  background: #fff;
  transform: translateX(-2px);
  box-shadow: 0 0 0 1px rgba(0,0,0,0.15);
}
.before-after__handle::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: #fff;
  transform: translate(-50%, -50%);
  box-shadow: var(--shadow-md);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23163238' stroke-width='2'%3E%3Cpath d='M8 7l-5 5 5 5M16 7l5 5-5 5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}
/* Das Range-Element bleibt für Tastatur und Screenreader zuständig; gezogen wird
   über den Container (siehe js/before-after-slider.js), weil ein natives Range
   nur im schmalen Band um seinen Schieber auf Klicks reagiert. */
.before-after__range {
  position: absolute; inset: 0;
  z-index: 5;
  width: 100%; height: 100%;
  opacity: 0;
  pointer-events: none;
  margin: 0;
}
/* Fokus sichtbar machen, ohne das unsichtbare Range-Element selbst einzublenden */
.before-after:has(.before-after__range:focus-visible) {
  outline: 3px solid var(--color-focus-ring);
  outline-offset: 2px;
}

/* ---- FAQ Akkordeon ---- */
.accordion { display: grid; gap: var(--space-3); }
.accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  overflow: hidden;
}
.accordion-item__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: transparent;
  border: none;
  text-align: left;
  font-weight: 700;
  font-size: var(--fs-400);
  color: var(--color-heading);
  cursor: pointer;
}
.accordion-item__icon { flex-shrink: 0; width: 20px; height: 20px; transition: transform var(--transition-fast); }
.accordion-item__trigger[aria-expanded="true"] .accordion-item__icon { transform: rotate(45deg); }
.accordion-item__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}
.accordion-item__panel-inner { padding: 0 var(--space-5) var(--space-5); color: var(--color-text-muted); }

/* ---- Formulare ---- */
.form-field { display: grid; gap: var(--space-2); margin-bottom: var(--space-5); }
.form-field label { font-weight: 700; font-size: var(--fs-300); color: var(--color-heading); }
.form-field .hint { font-size: var(--fs-200); color: var(--color-text-muted); }
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--fs-400);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-checkbox-row { display: flex; align-items: flex-start; gap: var(--space-3); cursor: pointer; }

/* Eigenes Checkbox-Styling statt Browser-Standard: native Checkboxen übernehmen ohne
   explizites color-scheme nicht zuverlässig das dunkle Teich-Theme und sind dort auf der
   dunklen Rechner-Karte kaum zu erkennen. */
.form-checkbox-row input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 1px;
  border: 2px solid var(--color-heading);
  border-radius: 5px;
  background: var(--color-surface);
  cursor: pointer;
  position: relative;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}
.form-checkbox-row input[type="checkbox"]:hover { border-color: var(--color-accent); }
.form-checkbox-row input[type="checkbox"]:checked {
  background: var(--gradient-accent);
  border-color: transparent;
}
.form-checkbox-row input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 9px;
  border: solid var(--color-accent-contrast);
  border-width: 0 2px 2px 0;
  transform: rotate(40deg);
}
.form-checkbox-row input[type="checkbox"]:focus-visible {
  outline: 3px solid var(--color-focus-ring);
  outline-offset: 2px;
}
.form-checkbox-row input[type="checkbox"]:disabled {
  cursor: not-allowed;
}

.form-message {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--fs-300);
  margin-bottom: var(--space-5);
}
.form-message--success { background: var(--color-success-bg); color: var(--color-success); }
.form-message--error { background: var(--color-error-bg); color: var(--color-error); }

/* Honeypot-Feld: für Menschen unsichtbar, für Formular-Spam-Bots offen sichtbar */
.form-honeypot { position: absolute; left: -9999px; top: -9999px; }

.form-checkbox-row:has(input:disabled) { opacity: 0.5; }

/* ---- Hinweis-Banner (Rechtlich prüfen etc.) ---- */
.banner-notice {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  background: var(--color-warning-bg);
  color: var(--color-warning-text);
  border: 1px solid color-mix(in srgb, var(--color-warning-text) 30%, transparent);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  font-size: var(--fs-300);
  margin-bottom: var(--space-7);
}
.banner-notice svg { width: 22px; height: 22px; flex-shrink: 0; }

/* ---- Hero-Split (Startseite) ---- */
.hero-split { display: grid; grid-template-columns: 1fr 1fr; min-height: 60vh; }
@media (max-width: 860px) { .hero-split { grid-template-columns: 1fr; } }
.hero-split__panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-9) var(--container-pad);
  position: relative;
  overflow: hidden;
  text-decoration: none;
}
.hero-split__panel--pool {
  background: linear-gradient(160deg, rgba(234,248,252,0.82) 0%, rgba(207,240,247,0.68) 45%, rgba(159,224,238,0.55) 100%), url('/images/pool/hero/pool-home-bg.jpg') center/cover;
  color: #0B2530;
}
.hero-split__panel--teich {
  background: linear-gradient(160deg, rgba(11,21,18,0.82) 0%, rgba(16,36,27,0.72) 45%, rgba(27,51,36,0.6) 100%), url('/images/teich/hero/teich-home-bg.jpg') center/cover;
  color: #F4EFE0;
}
.hero-split__panel h2 { color: inherit; margin-bottom: var(--space-3); }
.hero-split__panel--pool h2 { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; font-style: normal; }
.hero-split__panel--teich h2 { font-family: ui-serif, Georgia, serif; font-style: italic; }
.hero-split__panel p { color: inherit; opacity: 0.85; max-width: 40ch; margin-bottom: var(--space-5); }
.hero-split__cta {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-weight: 700;
}
.hero-split__panel--pool .hero-split__cta { color: #006E93; }
.hero-split__panel--teich .hero-split__cta { color: #E3B94D; }
.hero-split__deco { position: absolute; opacity: 0.5; pointer-events: none; }

/* ---- Pull-Quote (persönliche Zitate) ---- */
.pull-quote { text-align: center; margin: 0; }
.pull-quote p {
  font-family: var(--font-heading);
  font-style: var(--heading-style);
  font-weight: var(--heading-weight);
  font-size: var(--fs-700);
  color: var(--color-heading);
  line-height: var(--line-snug);
}
.pull-quote cite {
  display: block;
  margin-top: var(--space-5);
  font-style: normal;
  font-weight: 700;
  color: var(--color-accent);
  font-size: var(--fs-300);
}

/* ---- Bewertungen (echte Drittanbieter-Rezensionen) ---- */
.review-summary-stars {
  color: var(--color-accent);
  font-size: var(--fs-700);
  letter-spacing: 4px;
  margin-top: var(--space-3);
}
.review-card { display: flex; flex-direction: column; gap: var(--space-3); }
.review-card__stars { color: var(--color-accent); font-size: var(--fs-400); letter-spacing: 2px; }
.review-card__text { color: var(--color-text); font-size: var(--fs-300); flex-grow: 1; }
.review-card__meta { margin-top: var(--space-2); padding-top: var(--space-3); border-top: 1px solid var(--color-border); font-size: var(--fs-200); color: var(--color-text-muted); display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); }
.review-card__meta strong { color: var(--color-heading); font-weight: 700; }

/* ---- Statistik-Reihe ---- */
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-5); text-align: center; }
@media (max-width: 700px) { .stat-row { grid-template-columns: repeat(2, 1fr); } }
.stat-row strong { display: block; font-family: var(--font-heading); font-style: var(--heading-style); font-size: var(--fs-800); color: var(--color-accent); }
.stat-row span { font-size: var(--fs-300); color: var(--color-text-muted); }