/* css/components.css — Zentrale UI-Bibliothek (kein @apply, Token via var(--color-primary-*)) */

/* === BUTTONS === */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  border-radius: 0.5rem;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  border: 2px solid var(--color-primary-700);
  /* primary-700 statt primary-600: reines Marken-Rot (#ff0000) liegt bei
     weisser Schrift nur bei ~4:1 Kontrast (WCAG AA verlangt 4.5:1 fuer
     Fliesstext-Groesse) -- primary-700 ist dieselbe Markenfarbe, nur dunkler
     genug fuer AA-konforme weisse Schrift. */
  background-color: var(--color-primary-700);
  color: #fff;
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}
.btn-primary:hover { background-color: var(--color-primary-800); border-color: var(--color-primary-800); }
.btn-primary:focus-visible { outline: none; box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--color-primary-500); }
.btn-primary:active { transform: translateY(1px); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  border-radius: 0.5rem;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  border: 2px solid transparent;
  background-color: var(--color-ink-100);
  color: var(--color-ink-900);
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-out);
}
.btn-secondary:hover { background-color: var(--color-ink-200); }
.btn-secondary:focus-visible { outline: none; box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--color-ink-400); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  border-radius: 0.5rem;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid var(--color-ink-300);
  color: var(--color-ink-800);
  background: transparent;
  transition: border-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.btn-outline:hover { border-color: var(--color-primary-700); color: var(--color-primary-700); }
.btn-outline:focus-visible { outline: none; box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--color-ink-400); }

.btn-outline-inverse {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  border-radius: 0.5rem;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid rgba(255,255,255,0.35);
  color: #fff;
  background: transparent;
  transition: border-color var(--duration-fast) var(--ease-out), background-color var(--duration-fast) var(--ease-out);
}
.btn-outline-inverse:hover { border-color: #fff; background-color: rgba(255,255,255,0.08); }
.btn-outline-inverse:focus-visible { outline: none; box-shadow: 0 0 0 2px var(--color-ink-900), 0 0 0 4px #fff; }

.btn-sm { padding: 0.55rem 1.1rem; font-size: 0.875rem; }

/* === FORMULAR === */
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-ink-800);
  margin-bottom: 0.375rem;
}
.form-input,
.form-textarea {
  width: 100%;
  border: 1.5px solid var(--color-ink-200);
  border-radius: 0.5rem;
  padding: 0.65rem 0.9rem;
  color: var(--color-ink-900);
  background: #fff;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.5;
  transition: border-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}
.form-textarea { resize: vertical; min-height: 8rem; }
.form-input::placeholder, .form-textarea::placeholder { color: var(--color-ink-400); }
.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px var(--color-primary-100);
}
.form-input[aria-invalid="true"], .form-textarea[aria-invalid="true"] {
  border-color: #dc2626;
}
.form-group { display: flex; flex-direction: column; }
.form-error { font-size: 0.875rem; color: #dc2626; margin-top: 0.375rem; }
.form-hint { font-size: 0.8125rem; color: var(--color-ink-500); margin-top: 0.375rem; }

/* Honeypot-Feld: fuer echte Nutzer unsichtbar, fuer Screenreader ausgeblendet, fuer Bots sichtbar/ausfuellbar */
.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* === OPTION-CARD (Checkbox als klickbare Card) === */
.option-card {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  border: 1.5px solid var(--color-ink-200);
  border-radius: 0.5rem;
  padding: 1rem;
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out), background-color var(--duration-fast) var(--ease-out);
}
.option-card:hover { border-color: var(--color-primary-300); background-color: var(--color-primary-50); }
.option-card:has(input:checked) {
  border-color: var(--color-primary-600);
  background-color: var(--color-primary-50);
}
.option-card input[type="checkbox"] {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}
.option-card-box {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 0.3rem;
  border: 1.5px solid var(--color-ink-300);
  margin-top: 0.1rem;
  position: relative;
  transition: border-color var(--duration-fast), background-color var(--duration-fast);
}
.option-card:has(input:checked) .option-card-box {
  border-color: var(--color-primary-600);
  background-color: var(--color-primary-600);
}
.option-card:has(input:checked) .option-card-box::after {
  content: "";
  position: absolute;
  left: 0.3rem; top: 0.05rem;
  width: 0.35rem; height: 0.6rem;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.option-card:has(input:focus-visible) { box-shadow: 0 0 0 3px var(--color-primary-100); }

/* === CARDS === */
.card {
  background: #fff;
  border: 1px solid var(--color-ink-100);
  border-radius: 0.75rem;
  transition: box-shadow var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out);
}
.card-body { padding: 1.75rem; }

/* === ALERTS === */
.alert { padding: 1rem 1.25rem; border-radius: 0.5rem; border: 1px solid; font-size: 0.9375rem; }
.alert-error { background: #fef2f2; border-color: #fecaca; color: #991b1b; }

/* === SECTION-LAYOUTS === */
.section     { padding: 4rem 1rem; }
.section-alt { padding: 4rem 1rem; background: var(--color-ink-50); }
.section-dark{ padding: 4rem 1rem; background: var(--color-ink-950); color: var(--color-ink-200); }
.section-narrow { max-width: 48rem; margin: 0 auto; }
.section-wide   { max-width: 78rem; margin: 0 auto; }
@media (min-width: 768px) {
  .section, .section-alt, .section-dark { padding: 6rem 1.5rem; }
}

/* === FEATURE-GRID === */
.feature-item { text-align: left; }
.feature-icon {
  width: 2.75rem; height: 2.75rem;
  display: flex; align-items: center; justify-content: center;
  border-radius: 0.65rem;
  background: var(--color-primary-50);
  color: var(--color-primary-600);
  margin-bottom: 1.1rem;
}
.feature-icon svg { width: 1.5rem; height: 1.5rem; }
.feature-title { font-family: var(--font-heading); font-weight: 700; font-size: 1.15rem; margin-bottom: 0.5rem; color: var(--color-ink-900); }
.feature-description { color: var(--color-ink-600); font-size: 0.9375rem; line-height: 1.7; }

/* === STAT-COUNTER === */
.stat { text-align: left; }
.stat-number { font-family: var(--font-heading); font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.5rem); font-weight: 800; color: var(--color-primary-500); line-height: 1.05; overflow-wrap: break-word; word-break: break-word; hyphens: auto; }

/* === CTA-BANNER === */
.cta-banner {
  background: var(--color-primary-700);
  color: #fff;
  border-radius: 1rem;
  padding: 3rem 2rem;
  text-align: center;
}
.cta-banner h2 { font-family: var(--font-heading); font-size: 1.75rem; font-weight: 800; margin-bottom: 0.75rem; }
.cta-banner p { color: rgba(255,255,255,0.9); font-size: 1.0625rem; margin-bottom: 2rem; max-width: 40rem; margin-left: auto; margin-right: auto; }
@media (min-width: 768px) {
  .cta-banner { padding: 4rem 3rem; }
  .cta-banner h2 { font-size: 2.1rem; }
}

/* === ACCORDION === */
.accordion { border: 1px solid var(--color-ink-200); border-radius: 0.75rem; overflow: hidden; }
.accordion > * + * { border-top: 1px solid var(--color-ink-200); }
.accordion-item summary {
  padding: 1.15rem 1.35rem;
  cursor: pointer;
  font-weight: 700;
  font-family: var(--font-heading);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--color-ink-900);
  transition: background-color var(--duration-fast) var(--ease-out);
}
.accordion-item summary:hover { background: var(--color-ink-50); }
.accordion-item summary::-webkit-details-marker { display: none; }
.accordion-item summary::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--color-ink-400);
  flex-shrink: 0;
  line-height: 1;
}
.accordion-item[open] summary::after { content: '\2212'; color: var(--color-primary-700); }
.accordion-item[open] summary { color: var(--color-primary-700); }
.accordion-body { padding: 0 1.35rem 1.35rem; color: var(--color-ink-600); line-height: 1.7; }

/* === BREADCRUMB === */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.875rem;
  color: var(--color-ink-500);
  list-style: none;
  padding: 0;
  margin: 0;
}
.breadcrumb a { color: var(--color-ink-500); text-decoration: none; transition: color var(--duration-fast); }
.breadcrumb a:hover { color: var(--color-primary-700); }
.breadcrumb li { display: flex; align-items: center; }
.breadcrumb li + li::before { content: '/'; margin: 0 0.5rem; color: var(--color-ink-200); }
.breadcrumb [aria-current="page"] { color: var(--color-ink-700); font-weight: 500; }

/* === DARK-CONTEXT TYPOGRAFIE-OVERRIDES ===
   base.css setzt Farben direkt auf den heading- und body-Klassen (eigenes,
   ungelayertes Stylesheet). Tailwind-Utilities wie text-white koennen das
   nicht zuverlaessig ueberschreiben (Cascade Layers: ungelayert schlaegt
   gelayert immer, unabhaengig von Spezifitaet/Reihenfolge) -- deshalb hier
   explizit je Dunkel-Kontext statt per Utility-Klasse im Markup. */
.section-dark .heading-hero,
.section-dark .heading-1,
.section-dark .heading-2,
.section-dark .heading-3 { color: #fff; }
.section-dark .subheading,
.section-dark .body-lg,
.section-dark .body-md,
.section-dark .body-sm { color: rgba(255,255,255,0.72); }

.site-footer .body-sm { color: rgba(255,255,255,0.6); }

/* === SITE-HEADER / NAV === */
.site-header {
  background: var(--color-ink-950);
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-link {
  color: rgba(255,255,255,0.78);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
  transition: color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}
.nav-link:hover { color: #fff; }
.nav-link.active { color: #fff; border-color: var(--color-primary-500); }
.nav-link:focus-visible { outline: 2px solid var(--color-primary-400); outline-offset: 4px; }

.mobile-menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.5rem;
  background: transparent;
  border: none;
  color: #fff;
  cursor: pointer;
}
.mobile-menu-btn:focus-visible { outline: 2px solid var(--color-primary-400); outline-offset: 2px; }

#mobile-nav { transition: max-height var(--duration-base) var(--ease-out); }
#mobile-nav[hidden] { display: none; }

/* === SITE-FOOTER === */
.site-footer { background: var(--color-ink-950); color: var(--color-ink-300); }
.site-footer a { color: var(--color-ink-300); text-decoration: none; transition: color var(--duration-fast); }
.site-footer a:hover { color: #fff; }
.footer-heading { color: #fff; font-family: var(--font-heading); font-weight: 700; font-size: 0.9375rem; margin-bottom: 1rem; }

/* === PRODUCT-CARD (heatmax/liftmax/movemax) === */
.product-card {
  background: #fff;
  border: 1px solid var(--color-ink-100);
  border-radius: 1rem;
  padding: 2rem;
  transition: box-shadow var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out);
}
.product-card:hover { transform: translateY(-4px); box-shadow: 0 16px 32px -12px rgba(15,15,16,0.14); }
.product-card img.product-logo { height: 1.75rem; width: auto; margin-bottom: 1.5rem; }
.product-card-list { list-style: none; padding: 0; margin: 1.25rem 0 0; display: flex; flex-direction: column; gap: 0.6rem; }
.product-card-list li { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.9375rem; color: var(--color-ink-600); line-height: 1.55; }
.product-card-list svg { flex-shrink: 0; width: 1.1rem; height: 1.1rem; margin-top: 0.15rem; color: var(--color-primary-600); }