/* ==========================================================================
   Fuchs-Portal.de — Core Stylesheet
   Ziel: vertrauenswürdig, ruhig, klar, hochwertig, verbrauchernah
   Stil: kein "AI-Startup-Look", sondern seriöse Entscheidungs- und Prüfhilfe
   ========================================================================== */

/* ---------- Design Tokens ---------- */

:root {
  /* Brand */
  --color-brand-50:  #fff7ed;
  --color-brand-100: #ffedd5;
  --color-brand-200: #fed7aa;
  --color-brand-300: #fdba74;
  --color-brand-400: #fb923c;
  --color-brand-500: #f97316;
  --color-brand-600: #ea580c;
  --color-brand-700: #c2410c;
  --color-brand-800: #9a3412;
  --color-brand-900: #7c2d12;

  /* Neutral */
  --color-bg:        #f8fafc;
  --color-surface:   #ffffff;
  --color-surface-2: #f1f5f9;
  --color-border:    #e2e8f0;
  --color-border-2:  #cbd5e1;

  --color-text:      #0f172a;
  --color-text-2:    #334155;
  --color-muted:     #64748b;
  --color-subtle:    #94a3b8;

  /* Semantic */
  --color-success:      #15803d;
  --color-success-bg:   #f0fdf4;
  --color-success-line: #bbf7d0;

  --color-warning:      #b45309;
  --color-warning-bg:   #fffbeb;
  --color-warning-line: #fde68a;

  --color-danger:       #b91c1c;
  --color-danger-bg:    #fef2f2;
  --color-danger-line:  #fecaca;

  --color-info:         #1d4ed8;
  --color-info-bg:      #eff6ff;
  --color-info-line:    #bfdbfe;

  /* Typography */
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
               "Segoe UI", sans-serif;
  --font-serif: Georgia, Cambria, "Times New Roman", serif;

  --fs-xs:   0.75rem;
  --fs-sm:   0.875rem;
  --fs-base: 1rem;
  --fs-lg:   1.125rem;
  --fs-xl:   1.25rem;
  --fs-2xl:  1.5rem;
  --fs-3xl:  1.875rem;
  --fs-4xl:  2.25rem;
  --fs-5xl:  3rem;

  /* Layout */
  --container: 1180px;
  --content:   760px;

  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 18px 48px rgba(15, 23, 42, 0.12);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  --transition: 160ms ease;
}

/* ---------- Base ---------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--color-bg);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--color-text);
  background:
    radial-gradient(circle at top right, rgba(249, 115, 22, 0.05), transparent 28rem),
    var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
svg {
  max-width: 100%;
  display: block;
}

a {
  color: var(--color-brand-700);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--color-brand-800);
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

/* ---------- Layout ---------- */

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin-inline: auto;
}

.content {
  width: min(100%, var(--content));
  margin-inline: auto;
}

.section {
  padding-block: var(--space-16);
}

.section--compact {
  padding-block: var(--space-10);
}

/* ---------- Typography ---------- */

h1, h2, h3, h4 {
  margin: 0 0 var(--space-4);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.25rem, 6vw, 4.75rem);
  max-width: 14ch;
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
}

h3 {
  font-size: clamp(1.25rem, 2.2vw, 1.6rem);
}

p {
  margin: 0 0 var(--space-5);
  color: var(--color-text-2);
}

.lead {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  line-height: 1.65;
  color: var(--color-text-2);
  max-width: 62ch;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-brand-700);
}

.muted {
  color: var(--color-muted);
}

.small {
  font-size: var(--fs-sm);
}

/* ---------- Header / Navigation ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(248, 250, 252, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 0.7rem;
  display: grid;
  place-items: center;
  background: var(--color-brand-500);
  color: white;
  box-shadow: var(--shadow-sm);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-links a {
  color: var(--color-text-2);
  text-decoration: none;
  font-size: var(--fs-sm);
  font-weight: 600;
}

.nav-links a:hover {
  color: var(--color-text);
}

/* ---------- Hero ---------- */

.hero {
  padding-block: clamp(4rem, 9vw, 8rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.hero-copy .lead {
  margin-top: var(--space-6);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.trust-line {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-6);
  font-size: var(--fs-sm);
  color: var(--color-muted);
}

.trust-line span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

/* ---------- Buttons ---------- */

.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.8rem 1.15rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 700;
  transition:
    background var(--transition),
    border-color var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:focus-visible {
  outline: 3px solid rgba(249, 115, 22, 0.25);
  outline-offset: 2px;
}

.btn--primary {
  background: var(--color-brand-600);
  color: white;
  box-shadow: 0 8px 20px rgba(234, 88, 12, 0.18);
}

.btn--primary:hover {
  background: var(--color-brand-700);
  color: white;
}

.btn--secondary {
  background: white;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--secondary:hover {
  border-color: var(--color-border-2);
  box-shadow: var(--shadow-sm);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-2);
}

.btn--block {
  width: 100%;
}

/* ---------- Cards ---------- */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.card--padded {
  padding: clamp(1.25rem, 3vw, 2rem);
}

.card--elevated {
  box-shadow: var(--shadow-md);
}

.card-title {
  font-weight: 800;
  margin-bottom: var(--space-2);
}

.card-meta {
  font-size: var(--fs-sm);
  color: var(--color-muted);
}

/* ---------- Upload Area ---------- */

.upload-card {
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: white;
  box-shadow: var(--shadow-lg);
}

.upload-zone {
  min-height: 260px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: var(--space-8);
  border: 2px dashed var(--color-border-2);
  border-radius: var(--radius-lg);
  background: var(--color-surface-2);
  transition:
    border-color var(--transition),
    background var(--transition),
    transform var(--transition);
}

.upload-zone:hover,
.upload-zone.is-dragover {
  border-color: var(--color-brand-400);
  background: var(--color-brand-50);
}

.upload-icon {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  margin: 0 auto var(--space-4);
  border-radius: 999px;
  background: var(--color-brand-100);
  color: var(--color-brand-700);
}

.upload-title {
  font-size: var(--fs-lg);
  font-weight: 800;
  margin-bottom: var(--space-2);
}

.upload-hint {
  max-width: 34rem;
  margin-inline: auto;
  font-size: var(--fs-sm);
  color: var(--color-muted);
}

/* ---------- Feature / Trust Grid ---------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.feature {
  padding: var(--space-6);
}

.feature-icon {
  width: 2.4rem;
  height: 2.4rem;
  display: grid;
  place-items: center;
  margin-bottom: var(--space-4);
  border-radius: 0.7rem;
  background: var(--color-brand-50);
  color: var(--color-brand-700);
}

/* ---------- Form Status Messages ---------- */

.error {
  color: var(--color-danger);
  font-weight: 700;
}

.success-message {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  background: var(--color-success-bg);
  border: 1px solid var(--color-success-line);
  color: var(--color-success);
  font-weight: 700;
}

/* ---------- Weiterempfehlen-Widget ---------- */

#share-widget {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 500;
}

#share-btn {
  width: 48px;
  height: 48px;
  border-radius: 24px 0 0 24px;
  background: var(--color-brand-600);
  color: #fff;
  border: none;
  font-size: 20px;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

#share-btn:hover {
  background: var(--color-brand-700);
}

#share-menu {
  position: absolute;
  top: 50%;
  right: 56px;
  transform: translateY(-50%);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  display: none;
  flex-direction: column;
  gap: 2px;
  min-width: 200px;
}

#share-menu.open {
  display: flex;
}

#share-menu a,
#share-menu button {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--color-text);
  font-size: var(--fs-sm);
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  text-align: left;
  width: 100%;
}

#share-menu a:hover,
#share-menu button:hover {
  background: var(--color-brand-50);
}

@media (max-width: 640px) {
  #share-btn {
    width: 42px;
    height: 42px;
    font-size: 18px;
    border-radius: 21px 0 0 21px;
  }

  #share-menu {
    right: 48px;
    min-width: 180px;
  }
}

/* ---------- Cookie-Consent-Banner ---------- */

.consent-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 700;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -6px 20px rgba(15, 23, 42, 0.15);
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.consent-banner[hidden] {
  display: none;
}

.consent-banner-text {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--color-muted);
  max-width: 720px;
  flex: 1 1 320px;
}

.consent-banner-actions {
  display: flex;
  gap: var(--space-3);
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .consent-banner {
    justify-content: flex-start;
    padding: var(--space-4);
  }

  .consent-banner-actions {
    width: 100%;
  }

  .consent-banner-actions .btn {
    flex: 1;
  }
}

/* ---------- Category Cards (Dachmarke-Startseite) ---------- */

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-8);
}

.category-card {
  display: block;
  text-decoration: none;
  color: inherit;
}

a.category-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.category-card--soon {
  opacity: 0.72;
}

.category-icon {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  margin-bottom: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-brand-50);
  color: var(--color-brand-700);
  font-size: 1.4rem;
}

.category-card__status {
  margin-bottom: var(--space-3);
}

/* ---------- Status / Findings ---------- */

.finding {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  padding: var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid;
  margin-bottom: var(--space-4);
}

.finding__icon {
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  font-weight: 800;
}

.finding__title {
  margin-bottom: var(--space-1);
  font-weight: 800;
}

.finding__text {
  margin: 0;
  font-size: var(--fs-sm);
}

.finding--danger {
  background: var(--color-danger-bg);
  border-color: var(--color-danger-line);
}

.finding--danger .finding__icon {
  background: var(--color-danger-line);
  color: var(--color-danger);
}

.finding--warning {
  background: var(--color-warning-bg);
  border-color: var(--color-warning-line);
}

.finding--warning .finding__icon {
  background: var(--color-warning-line);
  color: var(--color-warning);
}

.finding--success {
  background: var(--color-success-bg);
  border-color: var(--color-success-line);
}

.finding--success .finding__icon {
  background: var(--color-success-line);
  color: var(--color-success);
}

.finding--info {
  background: var(--color-info-bg);
  border-color: var(--color-info-line);
}

.finding--info .finding__icon {
  background: var(--color-info-line);
  color: var(--color-info);
}

/* ---------- Status Chips ---------- */

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  min-height: 28px;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: var(--fs-xs);
  font-weight: 800;
  white-space: nowrap;
}

.chip--success {
  color: var(--color-success);
  background: var(--color-success-bg);
  border: 1px solid var(--color-success-line);
}

.chip--warning {
  color: var(--color-warning);
  background: var(--color-warning-bg);
  border: 1px solid var(--color-warning-line);
}

.chip--danger {
  color: var(--color-danger);
  background: var(--color-danger-bg);
  border: 1px solid var(--color-danger-line);
}

.chip--neutral {
  color: var(--color-text-2);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
}

/* ---------- Score Cards ---------- */

.score-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.score-card {
  padding: var(--space-5);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.score-label {
  font-size: var(--fs-sm);
  color: var(--color-muted);
}

.score-value {
  margin-top: var(--space-1);
  font-size: 2rem;
  font-weight: 850;
  letter-spacing: -0.03em;
}

.score-bar {
  height: 8px;
  margin-top: var(--space-4);
  overflow: hidden;
  border-radius: 999px;
  background: var(--color-surface-2);
}

.score-bar > span {
  display: block;
  height: 100%;
  width: var(--score, 0%);
  background: var(--color-brand-500);
  border-radius: inherit;
}

/* ---------- Cost Radar ---------- */

.cost-radar {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.cost-box {
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: white;
}

.cost-box__label {
  font-size: var(--fs-sm);
  color: var(--color-muted);
}

.cost-box__value {
  margin-top: var(--space-1);
  font-size: var(--fs-2xl);
  font-weight: 850;
  letter-spacing: -0.03em;
}

.cost-box--risk {
  border-color: var(--color-warning-line);
  background: var(--color-warning-bg);
}

/* ---------- Comparison Table ---------- */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: white;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

.comparison-table th,
.comparison-table td {
  padding: 0.95rem 1rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: middle;
}

.comparison-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #f8fafc;
  color: var(--color-text);
  font-size: var(--fs-sm);
  font-weight: 800;
}

.comparison-table td {
  color: var(--color-text-2);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table td:first-child,
.comparison-table th:first-child {
  width: 28%;
  min-width: 220px;
}

.value-best {
  font-weight: 800;
  color: var(--color-success);
}

/* ---------- Pricing ---------- */

.pricing-card {
  position: relative;
  padding: var(--space-8);
  overflow: hidden;
}

.pricing-card--featured {
  border-color: var(--color-brand-300);
  box-shadow: var(--shadow-md);
}

.pricing-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  background: var(--color-brand-100);
  color: var(--color-brand-800);
  font-size: var(--fs-xs);
  font-weight: 800;
}

.price {
  margin: var(--space-4) 0 var(--space-6);
  font-size: 2.6rem;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.price small {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-muted);
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-6);
}

.check-list li {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  color: var(--color-text-2);
}

.check-list li::before {
  content: "✓";
  color: var(--color-success);
  font-weight: 900;
}

/* ---------- Progress ---------- */

.progress {
  display: grid;
  gap: var(--space-3);
}

.progress__track {
  height: 10px;
  overflow: hidden;
  background: var(--color-surface-2);
  border-radius: 999px;
}

.progress__bar {
  height: 100%;
  width: var(--progress, 0%);
  background: linear-gradient(90deg, var(--color-brand-500), var(--color-brand-600));
  border-radius: inherit;
  transition: width 300ms ease;
}

/* ---------- Forms ---------- */

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--fs-sm);
  font-weight: 750;
}

.form-control {
  width: 100%;
  min-height: 46px;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--color-border-2);
  border-radius: var(--radius-md);
  background: white;
  color: var(--color-text);
  outline: none;
  transition:
    border-color var(--transition),
    box-shadow var(--transition);
}

.form-control:focus {
  border-color: var(--color-brand-400);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.14);
}

/* ---------- Callouts ---------- */

.callout {
  padding: var(--space-5);
  border-left: 4px solid var(--color-brand-500);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--color-brand-50);
}

.callout p:last-child {
  margin-bottom: 0;
}

/* ---------- Footer ---------- */

.site-footer {
  margin-top: var(--space-20);
  padding-block: var(--space-12);
  border-top: 1px solid var(--color-border);
  background: white;
  color: var(--color-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-8);
}

/* ---------- Utilities ---------- */

.stack > * + * {
  margin-top: var(--stack-space, 1rem);
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--cluster-gap, 0.75rem);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}

.text-center {
  text-align: center;
}

.hidden {
  display: none !important;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .hero-grid,
  .feature-grid,
  .footer-grid,
  .score-grid,
  .category-grid,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-2,
  .cost-radar {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }

  h1 {
    max-width: 18ch;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 1.25rem), var(--container));
  }

  .section {
    padding-block: var(--space-10);
  }

  .hero {
    padding-block: var(--space-12);
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .upload-zone {
    min-height: 220px;
    padding: var(--space-6);
  }

  .pricing-card,
  .card--padded {
    padding: var(--space-5);
  }
}

/* ---------- Accessibility ---------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

:focus-visible {
  outline: 3px solid rgba(249, 115, 22, 0.35);
  outline-offset: 3px;
}

/* ---------- Print / Report ---------- */

@media print {
  body {
    background: white;
  }

  .site-header,
  .site-footer,
  .btn,
  .upload-card,
  #share-widget,
  .consent-banner {
    display: none !important;
  }

  .card,
  .finding,
  .score-card,
  .cost-box,
  .table-wrap {
    box-shadow: none !important;
    break-inside: avoid;
  }

  .comparison-table th {
    position: static;
  }
}