/**
 * UI-Komponenten für InovaTech Website — „Studio Light"
 * Buttons, Cards, Badges, Accordion, Formular, Stats, Checklisten,
 * Partner-Karten, Produkt-Figuren, Protected-Karten.
 */

/* ==================== BUTTONS ==================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  line-height: 1;
  padding: 0.9em 1.8em;
  border-radius: var(--radius-full);
  transition: background var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
  will-change: transform;
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background: var(--color-red);
  color: #FFFFFF;
}

.btn--primary:hover {
  background: var(--color-red-bright);
  box-shadow: 0 8px 24px rgba(193, 41, 46, 0.35);
}

.btn--ghost {
  color: var(--text-primary);
  box-shadow: inset 0 0 0 1px var(--border-strong);
  background: var(--surface-1);
}

.btn--ghost:hover {
  box-shadow: inset 0 0 0 1px var(--text-tertiary);
}

/* Ghost-Variante innerhalb dunkler Panels */
.scene__stage .btn--ghost,
.hero__stage .btn--ghost {
  color: var(--panel-text);
  background: transparent;
  box-shadow: inset 0 0 0 1px var(--panel-border);
}

.btn--sm {
  font-size: 0.8125rem;
  padding: 0.65em 1.4em;
}

.btn--lg {
  font-size: var(--fs-base);
  padding: 1.05em 2.2em;
}

/* Apple-typischer Textlink mit Pfeil */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-red);
  transition: gap var(--duration-fast) var(--ease-out);
}

.link-arrow::after {
  content: '›';
  font-size: 1.2em;
  line-height: 1;
  transition: transform var(--duration-fast) var(--ease-out);
}

.link-arrow:hover::after {
  transform: translateX(3px);
}

/* ==================== BADGES ==================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.02em;
  color: var(--text-primary);
  background: var(--surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 0.45em 1em;
}

.badge::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-red);
}

/* Badge innerhalb dunkler Panels */
.scene__stage .badge {
  color: var(--panel-text);
  background: rgba(18, 18, 22, 0.8);
  border-color: var(--panel-border);
}

/* ==================== SERVICE-CARDS ==================== */

.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  background: var(--surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition: transform var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(193, 41, 46, 0.4);
  box-shadow: var(--shadow-card);
}

.service-card__icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: var(--surface-2);
  color: var(--color-red);
}

.service-card__icon svg {
  width: 22px;
  height: 22px;
}

.service-card h3 {
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
}

.service-card p {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  flex-grow: 1;
}

.service-card .link-arrow {
  margin-top: auto;
}

/* Karte als Ganzes klickbar (Pseudo-Overlay auf dem Titel-Link) */
.service-card__link::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

/* ==================== PARTNER-KARTEN ==================== */

.partner-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

@media (max-width: 980px) {
  .partner-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .partner-grid {
    grid-template-columns: 1fr;
  }
}

.partner-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  background: var(--surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out);
}

.partner-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-card);
}

.partner-card__logo {
  height: 52px;
  display: flex;
  align-items: center;
}

.partner-card__logo img {
  max-height: 100%;
  max-width: 190px;
  width: auto;
  object-fit: contain;
}

.partner-card p {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  flex-grow: 1;
}

.partner-card__link::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

/* ==================== PRODUKT-FIGUREN ==================== */

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-block: var(--space-2xl);
}

@media (max-width: 700px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
}

.product-figure {
  margin: 0;
  background: var(--surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.product-figure img {
  height: 220px;
  width: 100%;
  object-fit: contain;
}

.product-figure figcaption {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  text-align: center;
}

.product-figure figcaption strong {
  display: block;
  color: var(--text-primary);
  font-weight: var(--fw-semibold);
}

/* ==================== PROTECTED-KARTEN (Acronis-Trio) ==================== */

.protected-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

@media (max-width: 900px) {
  .protected-grid {
    grid-template-columns: 1fr;
  }
}

.protected-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  background: var(--surface-1);
  border: 1px solid var(--border-subtle);
  border-top: 3px solid var(--color-red);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.protected-card h3 {
  font-size: var(--fs-lg);
}

.protected-card p {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  flex-grow: 1;
}

.protected-card .link-arrow {
  font-size: var(--fs-xs);
}

/* Zertifizierungs-Siegel (Acronis-Badge) */
.cert-badge {
  display: inline-block;
  background: var(--surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
}

.cert-badge img {
  height: 56px;
  width: auto;
}

/* ==================== STATS / ZAHLEN ==================== */

.stat {
  display: grid;
  gap: var(--space-xs);
}

.stat__value {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-display);
  color: var(--text-primary);
  font-feature-settings: 'tnum';
}

.stat__value--red {
  color: var(--color-red);
}

.stat__label {
  font-size: var(--fs-xs);
  color: var(--text-secondary);
}

/* Stats innerhalb dunkler Panels / auf Full-Bleed-Szenen */
.scene__stage .stat__value,
.scene__captions .stat__value {
  color: var(--panel-text);
}

.scene__stage .stat__value--red,
.scene__captions .stat__value--red {
  color: var(--color-red-bright);
}

.scene__stage .stat__label,
.scene__captions .stat__label {
  color: var(--panel-text-secondary);
}

/* ==================== CHECKLISTE ==================== */

.checklist {
  display: grid;
  gap: var(--space-md);
}

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

.checklist li strong {
  color: var(--text-primary);
  font-weight: var(--fw-semibold);
}

.checklist__icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--tint-red-strong);
  color: var(--color-red);
}

.checklist__icon svg {
  width: 12px;
  height: 12px;
}

/* Checkliste innerhalb dunkler Panels */
.scene__stage .checklist li {
  color: var(--panel-text-secondary);
}

.scene__stage .checklist li strong {
  color: var(--panel-text);
}

.scene__stage .checklist__icon {
  background: rgba(230, 57, 70, 0.16);
  color: var(--color-red-bright);
}

/* ==================== FAQ / ACCORDION ==================== */

.accordion {
  display: grid;
  gap: var(--space-sm);
}

.accordion details {
  background: var(--surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--duration-base) var(--ease-out);
}

.accordion details[open] {
  border-color: var(--border-strong);
}

.accordion summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: var(--space-lg) var(--space-xl);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-base);
}

.accordion summary::-webkit-details-marker {
  display: none;
}

.accordion summary::after {
  content: '';
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  border-right: 2px solid var(--text-tertiary);
  border-bottom: 2px solid var(--text-tertiary);
  transform: rotate(45deg);
  transition: transform var(--duration-base) var(--ease-out);
  margin-top: -4px;
}

.accordion details[open] summary::after {
  transform: rotate(-135deg);
  margin-top: 4px;
}

.accordion__body {
  padding: 0 var(--space-xl) var(--space-lg);
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
}

.accordion__body a {
  color: var(--color-red);
}

/* ==================== FORMULAR ==================== */

.form {
  display: grid;
  gap: var(--space-lg);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

@media (max-width: 640px) {
  .form__row {
    grid-template-columns: 1fr;
  }
}

.form__field {
  display: grid;
  gap: var(--space-xs);
}

.form__field label {
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
}

.form__field input,
.form__field select,
.form__field textarea {
  background: var(--surface-1);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 0.85em 1em;
  font-size: var(--fs-sm);
  color: var(--text-primary);
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
  width: 100%;
}

.form__field textarea {
  min-height: 130px;
  resize: vertical;
}

.form__field input:focus,
.form__field select:focus,
.form__field textarea:focus {
  outline: none;
  border-color: var(--color-red);
  box-shadow: 0 0 0 3px rgba(193, 41, 46, 0.15);
}

.form__field input.is-invalid,
.form__field textarea.is-invalid {
  border-color: var(--color-red);
}

.form__error {
  font-size: var(--fs-xs);
  color: var(--color-red);
  display: none;
}

.form__field.has-error .form__error {
  display: block;
}

/* Honeypot: für Menschen unsichtbar, für Bots verlockend */
.form__hp {
  position: absolute !important;
  left: -9999px !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form__note {
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
}

.form__note a {
  color: var(--text-secondary);
  text-decoration: underline;
}

/* ==================== BREADCRUMB ==================== */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
  margin-bottom: var(--space-lg);
}

.breadcrumb a {
  color: var(--text-secondary);
}

.breadcrumb a:hover {
  color: var(--text-primary);
}

.breadcrumb li:not(:last-child)::after {
  content: '›';
  margin-left: var(--space-sm);
}

/* ==================== CTA-VERTRAUENSZEILE ==================== */

.cta-note {
  width: 100%;
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
  text-align: center;
  margin-top: var(--space-sm);
}

/* ==================== STICKY-CTA-LEISTE (nur mobil) ==================== */

.sticky-cta {
  display: none;
}

@media (max-width: 768px) {
  .sticky-cta {
    position: fixed;
    inset-inline: 0;
    bottom: 0;
    z-index: var(--z-header);
    display: flex;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--container-padding) calc(var(--space-sm) + env(safe-area-inset-bottom));
    background: rgba(245, 245, 247, 0.86);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    backdrop-filter: saturate(180%) blur(20px);
    border-top: 1px solid var(--border-subtle);
  }

  .sticky-cta .btn {
    flex: 1;
    white-space: nowrap;
  }

  /* Platz am Seitenende, damit die Leiste nichts verdeckt */
  body.has-sticky-cta {
    padding-bottom: 84px;
  }
}

/* ==================== SCROLL-INDIKATOR (Hero) ==================== */

.scroll-indicator {
  width: 26px;
  height: 42px;
  border: 2px solid var(--border-strong);
  border-radius: var(--radius-full);
  display: flex;
  justify-content: center;
  padding-top: 8px;
  margin-inline: auto;
}

.scroll-indicator::before {
  content: '';
  width: 4px;
  height: 8px;
  border-radius: 2px;
  background: var(--color-red);
  animation: scroll-hint 2s var(--ease-apple) infinite;
}


/* ==================== TERMINBUCHUNG (Calendly, Zwei-Klick) ==================== */

.booking {
  max-width: 820px;
  margin: var(--space-3xl) auto 0;
  padding: var(--space-2xl);
  background: var(--surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.booking__title {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-display);
  margin-bottom: var(--space-sm);
}

.booking__hint {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto var(--space-lg);
  text-wrap: balance;
}

.booking__frame iframe {
  width: 100%;
  height: 680px;
  border: 0;
  border-radius: var(--radius-lg);
  background: var(--surface-1);
}