/* ==========================================================================
   readyforam – styles.css
   Shared stylesheet for all pages (DE + EN)
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. Self-hosted Fonts (Inter)
   Selbst gehostet statt Google Fonts CDN (03.07.2026) — vermeidet Übertragung
   der Besucher-IP an Google-Server bei jedem Seitenaufruf (DSGVO-relevant,
   unabhängig von Cookie-Consent). Dateien: assets/fonts/inter-*.woff2.
   -------------------------------------------------------------------------- */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('assets/fonts/inter-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('assets/fonts/inter-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('assets/fonts/inter-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('assets/fonts/inter-700.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url('assets/fonts/inter-800.woff2') format('woff2');
}

/* --------------------------------------------------------------------------
   1. CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Base colors */
  --color-bg:           #f8f9fb;
  --color-surface:      #ffffff;
  --color-surface-2:    #f1f3f7;
  --color-border:       #e2e6ed;
  --color-border-light: #edf0f5;
  --color-text:         #111827;
  --color-text-2:       #374151;
  --color-text-muted:   #6b7280;
  --color-text-light:   #9ca3af;

  /* Metal accent (orange) – default */
  --color-accent:       #e8581a;
  --color-accent-2:     #c44815;
  --color-accent-light: #fcd5bb;
  --color-accent-mid:   #ff7535;
  --color-accent-pale:  #fff2ea;
  --color-badge-bg:     #fcd5bb;
  --color-badge-text:   #c44815;

  /* Shadows */
  --shadow-sm:   0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:   0 4px 12px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.04);
  --shadow-lg:   0 10px 30px rgba(0,0,0,.1),  0 4px 12px rgba(0,0,0,.06);
  --shadow-card: 0 2px 8px rgba(0,0,0,.07),   0 1px 3px rgba(0,0,0,.04);

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Border radius */
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-full: 9999px;

  /* Typography */
  --font-sans: 'Inter', 'DM Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs:   0.75rem;
  --font-size-sm:   0.875rem;
  --font-size-base: 1rem;
  --font-size-lg:   1.125rem;
  --font-size-xl:   1.25rem;
  --font-size-2xl:  1.5rem;
  --font-size-3xl:  1.875rem;
  --font-size-4xl:  2.25rem;
  --font-size-5xl:  3rem;

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow:   400ms ease;

  /* Layout */
  --max-width: 1200px;
  --header-height: 68px;
}

/* Plastic mode overrides */
[data-mode="plastic"] {
  --color-accent:       #15803d;
  --color-accent-2:     #166534;
  --color-accent-light: #34c76a;
  --color-accent-mid:   #22c55e;
  --color-accent-pale:  #dcfce7;
  --color-badge-bg:     #bbf7d0;
  --color-badge-text:   #15803d;
}

/* --------------------------------------------------------------------------
   2. Reset & Base
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  /* scroll-behavior: smooth entfernt — verursacht ungewollte Scroll-Restauration
     beim Sprachwechsel. Smooth-Scroll wird gezielt per JS gesetzt. */
  -webkit-text-size-adjust: 100%;
  /* Scroll-Anchoring deaktivieren: Der Browser "korrigiert" sonst die
     Scrollposition automatisch, wenn Inhalte oberhalb des Viewports
     (Hero-Bilder, Web-Fonts, Canvas) nachträglich ihre Höhe ändern —
     genau das verursachte das intermittierende Sprung-Verhalten beim
     Sprachwechsel (zuverlässiger nach 2-3 Wechseln, je nach Cache-Zustand). */
  overflow-anchor: none;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: var(--font-sans);
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* --------------------------------------------------------------------------
   3. Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-sans);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
  color: var(--color-text-2);
  line-height: 1.7;
}

.text-muted { color: var(--color-text-muted); }
.text-sm    { font-size: var(--font-size-sm); }
.text-xs    { font-size: var(--font-size-xs); }
.text-lg    { font-size: var(--font-size-lg); }
.text-center { text-align: center; }
.font-semibold { font-weight: 600; }
.font-bold     { font-weight: 700; }

/* --------------------------------------------------------------------------
   4. Layout Utilities
   -------------------------------------------------------------------------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-20) 0;
}

.section-sm {
  padding: var(--space-12) 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

/* Text column in a grid-2 layout: centered on mobile, left-aligned on desktop */
.section-text-col {
  text-align: center;
}

.section-text-col p {
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 769px) {
  .section-text-col {
    text-align: left;
  }
  .section-text-col p {
    margin-left: 0;
    margin-right: 0;
  }
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

/* --------------------------------------------------------------------------
   5. Header / Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  transition: box-shadow var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  gap: var(--space-6);
}

.site-logo {
  font-size: var(--font-size-xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-text);
  flex-shrink: 0;
  transition: color var(--transition-fast);
}

.site-logo span {
  color: var(--color-accent);
  transition: color var(--transition-normal);
}

.site-logo:hover { opacity: 0.85; }

/* Main nav */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.nav-link.active {
  color: var(--color-accent);
  background: var(--color-accent-pale);
  font-weight: 600;
}

.nav-link.nav-cta {
  background: var(--color-accent);
  color: #fff;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-link.nav-cta:hover {
  background: var(--color-accent-2);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px color-mix(in srgb, var(--color-accent) 30%, transparent);
}

/* Mode toggle (Metal / Plastic) */
.mode-toggle {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 3px;
  flex-shrink: 0;
}

.mode-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 14px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-normal);
  white-space: nowrap;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.mode-btn.active {
  background: var(--color-surface);
  color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.mode-btn-metal.active  { color: #e8581a; }
.mode-btn-plastic.active { color: #15803d; }

.mode-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* Header CTA button (rightmost, desktop only) */
.header-cta {
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .header-cta { display: none; }
}

/* Mobile hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.nav-hamburger:hover { background: var(--color-surface-2); }

.hamburger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.nav-hamburger.open .hamburger-line:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-hamburger.open .hamburger-line:nth-child(2) { opacity: 0; }
.nav-hamburger.open .hamburger-line:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-6);
  box-shadow: var(--shadow-lg);
  z-index: 99;
  flex-direction: column;
  gap: var(--space-1);
}

.mobile-menu.open { display: flex; }

.mobile-nav-link {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text-2);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.mobile-nav-link:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

.mobile-nav-link.nav-cta {
  background: var(--color-accent);
  color: #fff;
  text-align: center;
  margin-top: var(--space-2);
  font-weight: 600;
}

.mobile-mode-toggle {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-border-light);
  margin-top: var(--space-2);
}

/* Content offset for fixed header */
.page-content {
  padding-top: var(--header-height);
}

/* --------------------------------------------------------------------------
   6. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 24px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  border: 2px solid transparent;
  line-height: 1.4;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-accent-2);
  border-color: var(--color-accent-2);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px color-mix(in srgb, var(--color-accent) 35%, transparent);
}

.btn-primary:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-outline:hover {
  background: var(--color-accent-pale);
  transform: translateY(-1px);
}

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

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

.btn-lg {
  padding: 16px 32px;
  font-size: var(--font-size-base);
}

.btn-sm {
  padding: 8px 16px;
  font-size: var(--font-size-xs);
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

/* --------------------------------------------------------------------------
   7. Hero Section
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #0a0f1e;
}

.hero--compact {
  min-height: 32vh;
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
}

.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 15, 30, 0.85) 0%,
    rgba(10, 15, 30, 0.6) 50%,
    rgba(10, 15, 30, 0.75) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-16) var(--space-6);
  width: 100%;
}

.hero-inner {
  max-width: 680px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
  backdrop-filter: blur(8px);
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-mid);
  flex-shrink: 0;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(1.3); }
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: var(--space-6);
}

.hero h1 .accent {
  color: var(--color-accent-mid);
  transition: color var(--transition-normal);
}

.hero-lead {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,0.75);
  line-height: 1.65;
  margin-bottom: var(--space-8);
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-10);
}

.hero-actions .btn-primary {
  font-size: var(--font-size-base);
  padding: 14px 28px;
}

.hero-actions .btn-outline {
  color: rgba(255,255,255,0.8);
  border-color: rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.08);
  font-size: var(--font-size-base);
  padding: 14px 28px;
  backdrop-filter: blur(4px);
}

.hero-actions .btn-outline:hover {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border-color: rgba(255,255,255,0.5);
  transform: translateY(-1px);
}

.hero-stats {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.hero-stat-value {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}

.hero-stat-label {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
}

/* Hero part (freigestelltes Bauteil rechts) */
.hero-part-wrap {
  position: absolute;
  right: 40px;
  bottom: 0;
  top: 0;
  width: 50%;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  pointer-events: none;
  overflow: hidden;
}

.hero-part-img {
  height: 80%;
  max-height: 620px;
  width: auto;
  object-fit: contain;
  object-position: right center;
  opacity: 0.9;
  filter: drop-shadow(0 20px 60px rgba(0,0,0,0.5));
  animation: hero-part-in 1.1s cubic-bezier(0.22, 1, 0.36, 1) 0.3s both;
}

@keyframes hero-part-in {
  from { opacity: 0; transform: translateX(60px) scale(0.95); }
  to   { opacity: 0.9; transform: translateX(0) scale(1); }
}

@media (max-width: 900px) {
  .hero-part-wrap {
    width: 45%;
    opacity: 0.6;
  }
  .hero-part-img { height: 65%; }
}

@media (max-width: 768px) {
  /* Bauteil + Analyse-Overlay: statt komplett auszublenden, wird der Bereich
     in den normalen Dokumentfluss gebracht und oberhalb des Hero-Textes
     gestapelt (DOM-Reihenfolge: .hero-part-wrap steht im Markup bereits vor
     .hero-content). Stand 03.07.2026, experimentell auf Wunsch des Users. */
  .hero {
    flex-direction: column;
    align-items: stretch;
    min-height: auto;
    padding-top: var(--space-6);
    padding-bottom: var(--space-6);
  }

  .hero-part-wrap {
    position: relative;
    inset: auto;
    width: 100%;
    height: 440px;
    opacity: 1;
    justify-content: center;
    margin-bottom: var(--space-2);
  }

  .hero-part-img {
    height: 95%;
    max-height: 420px;
    object-position: center center;
  }

  .hero-content {
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
  }

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

  .hero-badge {
    display: flex;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }
}

/* Section background asset (freigestelltes PNG als dezentes Hintergrundelement) */
.section--has-bg-asset {
  position: relative;
  overflow: hidden;
}

.section-bg-asset {
  position: absolute;
  right: -60px;
  top: 50%;
  transform: translateY(-50%);
  width: 380px;
  max-width: 38%;
  pointer-events: none;
  opacity: 0.07;
  z-index: 0;
}

.section-bg-asset--left {
  right: auto;
  left: -60px;
}

/* Dark section text overrides */
.section--dark .section-title {
  color: #fff;
}

.section--dark .section-tag {
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.8);
}

.section--dark .section-lead {
  color: rgba(255,255,255,0.65);
}

.section--dark .section-bg-asset--lattice {
  opacity: 0.12;
}

/* Tech pattern section */
.section--tech-pattern {
  position: relative;
  overflow: hidden;
}

.tech-pattern-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5; /* helle Sections: subtiler */
}

.section--dark .tech-pattern-canvas,
.cta-section--dark .tech-pattern-canvas {
  opacity: 1; /* dunkle Sections: volle Stärke */
}

.section--tech-pattern .container,
.cta-section .container {
  position: relative;
  z-index: 1;
}

/* Lattice left-aligned, ~15% behind viewport edge */
.section-bg-asset--lattice {
  left: -60px;
  right: auto;
  top: 50%;
  transform: translateY(-50%);
  width: 380px;
  max-width: 38%;
  height: auto;
}

.section-bg-asset--lattice img {
  width: 100%;
  height: auto;
  display: block;
}

.section-bg-asset img {
  width: 100%;
  height: auto;
  display: block;
}

.section--has-bg-asset .container {
  position: relative;
  z-index: 1;
}

/* Ablauf section: Bauteil als großes Hintergrundelement */
.ablauf-section {
  position: relative;
  overflow: hidden;
}

.ablauf-bg-photo {
  position: absolute;
  inset: 0;
  background: url('assets/img/metal/ablauf-bg.webp') center/cover no-repeat;
  opacity: 0.08;
  pointer-events: none;
  z-index: 0;
}

.ablauf-section .container {
  position: relative;
  z-index: 1;
}

@media (max-width: 768px) {
  .section-bg-asset { display: none; }
}

/* --------------------------------------------------------------------------
   Hero Analysis Overlay
   -------------------------------------------------------------------------- */
.hero-analysis-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  animation: hao-fade-in 0.6s ease 1.2s both;
}

@keyframes hao-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Scan line */
.hao-scanline {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg,
    transparent 0%,
    color-mix(in srgb, var(--color-accent-mid) 60%, transparent) 30%,
    var(--color-accent-mid) 50%,
    color-mix(in srgb, var(--color-accent-mid) 60%, transparent) 70%,
    transparent 100%
  );
  box-shadow: 0 0 12px 2px color-mix(in srgb, var(--color-accent-mid) 50%, transparent);
  animation: hao-scan 3s ease-in-out 1.5s infinite;
  opacity: 0.85;
}

@keyframes hao-scan {
  0%   { top: 10%; opacity: 0; }
  8%   { opacity: 0.85; }
  92%  { opacity: 0.85; }
  100% { top: 90%; opacity: 0; }
}

/* Corner brackets */
.hao-bracket {
  position: absolute;
  width: 18px;
  height: 18px;
  border-color: var(--color-accent-mid);
  border-style: solid;
  opacity: 0.7;
  animation: hao-bracket-in 0.5s ease 1.4s both;
}

@keyframes hao-bracket-in {
  from { opacity: 0; transform: scale(0.7); }
  to   { opacity: 0.7; transform: scale(1); }
}

.hao-bracket--tl { top: 10%;  left: 12%;  border-width: 2px 0 0 2px; }
.hao-bracket--tr { top: 10%;  right: 2%;  border-width: 2px 2px 0 0; }
.hao-bracket--bl { bottom: 10%; left: 12%; border-width: 0 0 2px 2px; }
.hao-bracket--br { bottom: 10%; right: 2%; border-width: 0 2px 2px 0; }

/* Analysis panel */
.hao-panel {
  position: absolute;
  top: 50%;
  left: 55%;
  transform: translate(-50%, -50%);
  background: rgba(10, 15, 30, 0.82);
  border: 1px solid rgba(255,255,255,0.12);
  border-left: 2px solid var(--color-accent-mid);
  border-radius: 8px;
  padding: 12px 14px;
  min-width: 240px;
  max-width: 280px;
  backdrop-filter: blur(12px);
  animation: hao-panel-in 0.5s cubic-bezier(0.22,1,0.36,1) 1.6s both;
}

@keyframes hao-panel-in {
  from { opacity: 0; transform: translate(-50%, calc(-50% + 12px)); }
  to   { opacity: 1; transform: translate(-50%, -50%); }
}

.hao-panel-header {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.hao-panel-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  flex-shrink: 0;
}

.hao-panel-dot--active {
  background: var(--color-accent-mid);
  box-shadow: 0 0 6px var(--color-accent-mid);
  animation: pulse-dot 2s ease-in-out infinite;
}

.hao-panel-title {
  font-size: 0.7rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  flex: 1;
}

/* Items */
.hao-items {
  display: flex;
  flex-direction: column;
  gap: 7px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.hao-item {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.4;
  opacity: 0;
  animation: hao-item-in 0.4s ease forwards;
}

.hao-item[data-delay="0"] { animation-delay: 2.0s; }
.hao-item[data-delay="1"] { animation-delay: 2.5s; }
.hao-item[data-delay="2"] { animation-delay: 3.0s; }
.hao-item[data-delay="3"] { animation-delay: 3.5s; }

@keyframes hao-item-in {
  from { opacity: 0; transform: translateX(-6px); }
  to   { opacity: 1; transform: translateX(0); }
}

.hao-item-icon {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  color: var(--color-accent-mid);
  margin-top: 1px;
}

/* Running / in-progress item */
.hao-item--running {
  align-items: center;
}

.hao-running-text {
  display: flex;
  align-items: baseline;
  gap: 1px;
  color: var(--color-accent-mid);
  font-weight: 600;
}

.hao-running-dots {
  display: inline-flex;
  gap: 1px;
  margin-left: 1px;
}

.hao-running-dots span {
  animation: hao-dot-pulse 1.2s ease-in-out infinite;
  color: var(--color-accent-mid);
}

.hao-running-dots span:nth-child(1) { animation-delay: 0s; }
.hao-running-dots span:nth-child(2) { animation-delay: 0.2s; }
.hao-running-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes hao-dot-pulse {
  0%, 100% { opacity: 0.2; }
  50%       { opacity: 1; }
}

@media (max-width: 900px) {
  .hao-panel { min-width: 200px; max-width: 220px; font-size: 0.65rem; }
}

@media (max-width: 768px) {
  /* Panel/Ecken-Brackets auf die schmalere, zentrierte Bauteil-Fläche
     (.hero-part-wrap, jetzt 100% Breite / 260px Höhe) neu ausgerichtet,
     statt wie auf Desktop rechtsversetzt über dem Bauteil zu sitzen. */
  .hao-panel {
    left: 50%;
    top: 67%;
    width: 80%;
    min-width: 0;
    max-width: none;
    font-size: 0.62rem;
    padding: 10px 12px;
  }
  .hao-bracket--tl,
  .hao-bracket--bl { left: 5%; }
  .hao-bracket--tr,
  .hao-bracket--br { right: 5%; }
}

/* --------------------------------------------------------------------------
   8. Section Headers
   -------------------------------------------------------------------------- */
.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: var(--color-badge-bg);
  color: var(--color-badge-text);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
  transition: background var(--transition-normal), color var(--transition-normal);
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-4);
}

.section-lead {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   9. Cards
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* Card icon-left layout: large icon left, text right */
.card--icon-left {
  display: flex;
  align-items: flex-start;
  gap: var(--space-5);
}

.card-icon-large {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  object-fit: contain;
  filter: brightness(0) saturate(100%) invert(42%) sepia(90%) saturate(800%) hue-rotate(345deg) brightness(110%);
  transition: filter var(--transition-normal);
}

[data-mode="plastic"] .card-icon-large {
  filter: brightness(0) saturate(100%) invert(35%) sepia(60%) saturate(700%) hue-rotate(100deg) brightness(95%);
}

.card-text {
  flex: 1;
  min-width: 0;
}

/* Card background icon (large decorative element) */
.card--has-bg-icon {
  position: relative;
  overflow: hidden;
}

.card-bg-icon {
  position: absolute;
  right: -54px;
  bottom: -54px;
  width: 180px;
  height: 180px;
  pointer-events: none;
  opacity: 0.08;
  transition: opacity var(--transition-normal);
}

.card-bg-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: brightness(0) saturate(100%) invert(42%) sepia(90%) saturate(800%) hue-rotate(345deg) brightness(110%);
}

[data-mode="plastic"] .card-bg-icon img {
  filter: brightness(0) saturate(100%) invert(35%) sepia(60%) saturate(700%) hue-rotate(100deg) brightness(95%);
}

.card--has-bg-icon:hover .card-bg-icon {
  opacity: 0.13;
}

.card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
}

.card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Pricing cards */
.pricing-card {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
  transition: all var(--transition-normal);
}

.pricing-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.pricing-card.featured {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-accent) 10%, transparent), var(--shadow-lg);
}

.pricing-badge {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  width: fit-content;
  padding: 4px 12px;
  background: var(--color-badge-bg);
  color: var(--color-badge-text);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
  transition: background var(--transition-normal), color var(--transition-normal);
}

.pricing-name {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.pricing-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.price-amount {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.price-unit {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.pricing-turnaround {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.pricing-divider {
  height: 1px;
  background: var(--color-border-light);
  margin: var(--space-6) 0;
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.pricing-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-2);
  line-height: 1.5;
}

.feature-check {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-accent-pale);
  flex-shrink: 0;
  margin-top: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-normal);
}

.feature-check svg {
  width: 10px;
  height: 10px;
  color: var(--color-accent);
  transition: color var(--transition-normal);
}

/* Section text link (secondary navigation below primary CTA) */
.section-text-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--color-border);
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

.section-text-link:hover {
  color: var(--color-accent);
  text-decoration-color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   10. Process / Steps
   -------------------------------------------------------------------------- */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 28px;
  bottom: 28px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent-light), var(--color-border-light));
  transition: background var(--transition-normal);
}

.process-step {
  display: flex;
  gap: var(--space-6);
  align-items: flex-start;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 800;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: all var(--transition-normal);
}

.process-step:hover .step-number {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.step-content h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.step-content p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   11. FAQ Accordion
   -------------------------------------------------------------------------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.open {
  border-color: var(--color-accent-light);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  cursor: pointer;
  gap: var(--space-4);
  transition: background var(--transition-fast);
}

.faq-question:hover { background: var(--color-accent-pale); }

.faq-question h3 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  flex: 1;
}

.faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--color-surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-normal), transform var(--transition-normal);
}

.faq-item.open .faq-icon {
  background: var(--color-accent);
  transform: rotate(45deg);
}

.faq-icon svg { color: var(--color-text-muted); transition: color var(--transition-normal); }
.faq-item.open .faq-icon svg { color: #fff; }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow) ease-in-out;
}

.faq-answer-inner {
  padding: 0 var(--space-6) var(--space-5);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  border-top: 1px solid var(--color-border-light);
  padding-top: var(--space-4);
}

/* --------------------------------------------------------------------------
   12. Sample Report / What You Get
   -------------------------------------------------------------------------- */
.report-preview {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
}

.report-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
  margin-bottom: var(--space-5);
}

.report-title {
  font-size: var(--font-size-base);
  font-weight: 700;
}

.report-stamp {
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.report-stamp.positive {
  background: #dcfce7;
  color: #166534;
}

.report-stamp.warning {
  background: #fef3c7;
  color: #92400e;
}

.report-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.report-row:last-child { border-bottom: none; }

.report-row-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.report-row-icon.ok   { background: #dcfce7; }
.report-row-icon.warn { background: #fef3c7; }
.report-row-icon.info { background: var(--color-accent-pale); }

.report-row-label { font-size: var(--font-size-xs); font-weight: 600; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 2px; }
.report-row-value { font-size: var(--font-size-sm); color: var(--color-text-2); }

/* --------------------------------------------------------------------------
   13. CTA Section
   -------------------------------------------------------------------------- */
.cta-section {
  padding: var(--space-16) 0;
  position: relative;
  overflow: hidden;
}

.cta-inner {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-inner h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: var(--space-4);
}

.cta-inner p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-8);
}

.cta-inner .btn-primary {
  font-size: var(--font-size-base);
  padding: 14px 32px;
}

/* Light variant */
.cta-section--light {
  background: var(--color-surface);
}

.cta-section--light .cta-inner h2 { color: var(--color-text); }
.cta-section--light .cta-inner p  { color: var(--color-text-muted); }

.cta-section--light .cta-inner .btn-primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.cta-section--light .cta-inner .btn-primary:hover {
  background: var(--color-accent-2);
  border-color: var(--color-accent-2);
  box-shadow: 0 6px 24px rgba(0,0,0,0.2);
  transform: translateY(-2px);
}

/* Dark graphite variant */
.cta-section--dark {
  background: #0a0f1e;
}

.cta-section--dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 120%, color-mix(in srgb, var(--color-accent-mid) 20%, transparent), transparent 65%);
  transition: background var(--transition-slow);
  pointer-events: none;
}

.cta-section--dark .cta-inner h2 { color: #fff; }
.cta-section--dark .cta-inner p  { color: rgba(255,255,255,0.7); }

.cta-section--dark .cta-inner .btn-primary {
  background: #fff;
  color: var(--color-accent);
  border-color: #fff;
}

.cta-section--dark .cta-inner .btn-primary:hover {
  background: rgba(255,255,255,0.9);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

/* Background asset */
.cta-section-bg-asset {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 360px;
  max-width: 35%;
  opacity: 0.08;
  pointer-events: none;
  z-index: 0;
}

.cta-section-bg-asset img {
  width: 100%;
  height: auto;
  display: block;
}

@media (max-width: 768px) {
  .cta-section-bg-asset { display: none; }
}

/* --------------------------------------------------------------------------
   14. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: #0f172a;
  color: rgba(255,255,255,0.65);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand .site-logo {
  color: #fff;
  margin-bottom: var(--space-3);
  display: inline-block;
}

.footer-brand p {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.5);
  line-height: 1.65;
  max-width: 280px;
}

.footer-col h4 {
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-link {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.5);
  transition: color var(--transition-fast);
}

.footer-link:hover { color: #fff; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.1);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-legal-links {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.footer-legal-link {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.4);
  transition: color var(--transition-fast);
}

.footer-legal-link:hover { color: rgba(255,255,255,0.8); }

.footer-copyright {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.35);
}

.lang-toggle {
  display: inline-flex;
  width: fit-content;
  gap: 2px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-full);
  padding: 3px;
}

.lang-btn {
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: all var(--transition-fast);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  display: inline-block;
}

.lang-btn.active, .lang-btn:hover {
  background: rgba(255,255,255,0.15);
  color: #fff;
}

/* --------------------------------------------------------------------------
   15. Mode Transition Animation
   -------------------------------------------------------------------------- */
.mode-transitioning .mode-content {
  animation: mode-fade var(--transition-slow) ease forwards;
}

@keyframes mode-fade {
  0%   { opacity: 0; transform: translateY(6px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* Show/hide mode content */
[data-mode="metal"]   [data-show="plastic"] { display: none !important; }
[data-mode="plastic"] [data-show="metal"]   { display: none !important; }
[data-show="metal"],
[data-show="plastic"] {
  transition: opacity var(--transition-normal);
}

/* --------------------------------------------------------------------------
   16. Form Elements
   -------------------------------------------------------------------------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.form-label .required {
  color: #ef4444;
  margin-left: 2px;
}

.form-label .optional {
  font-size: var(--font-size-xs);
  font-weight: 400;
  color: var(--color-text-muted);
  margin-left: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 11px 14px;
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 15%, transparent);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}

/* Report form inline selects */
select[style*="border:1px solid"] {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px !important;
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
select[style*="border:1px solid"]:focus {
  outline: none;
  border-color: var(--color-accent) !important;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 15%, transparent);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.6;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

.form-error {
  font-size: var(--font-size-xs);
  color: #ef4444;
  display: none;
  align-items: center;
  gap: var(--space-1);
}

.form-error.visible { display: flex; }

/* Checkbox */
.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-border);
  border-radius: 4px;
  appearance: none;
  -webkit-appearance: none;
  background: var(--color-surface);
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 2px;
  transition: all var(--transition-fast);
  position: relative;
}

.form-checkbox input[type="checkbox"]:checked {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.form-checkbox input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 3px;
  top: 0px;
  width: 5px;
  height: 9px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

.form-checkbox input[type="checkbox"]:focus {
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 20%, transparent);
}

.checkbox-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-2);
  line-height: 1.55;
}

.checkbox-label a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* File Upload */
.upload-zone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-10) var(--space-6);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  background: var(--color-surface);
  position: relative;
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--color-accent);
  background: var(--color-accent-pale);
}

.upload-zone.has-file {
  border-color: #22c55e;
  background: #f0fdf4;
  border-style: solid;
}

.upload-zone.error {
  border-color: #ef4444;
  background: #fef2f2;
}

.upload-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-accent-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-normal);
}

.upload-zone:hover .upload-icon,
.upload-zone.drag-over .upload-icon {
  background: color-mix(in srgb, var(--color-accent) 15%, white);
}

.upload-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.upload-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.upload-formats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  flex-wrap: wrap;
}

.upload-format-tag {
  display: inline-block;
  padding: 2px 8px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-muted);
}

.upload-file-info {
  display: none;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
}

.upload-zone.has-file .upload-empty { display: none; }
.upload-zone.has-file .upload-file-info { display: flex; }

.file-name {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.file-remove {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(239,68,68,0.1);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.file-remove:hover { background: rgba(239,68,68,0.2); }

/* --------------------------------------------------------------------------
   17. Multi-step Order Flow
   -------------------------------------------------------------------------- */
.order-flow {
  max-width: 740px;
  margin: 0 auto;
}

.order-progress {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-10);
  gap: 0;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  flex: 1;
  position: relative;
}

.progress-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 16px;
  left: calc(50% + 16px);
  right: calc(-50% + 16px);
  height: 2px;
  background: var(--color-border);
  transition: background var(--transition-normal);
  z-index: 0;
}

.progress-step.completed::after { background: var(--color-accent); }

.progress-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-text-muted);
  transition: all var(--transition-normal);
  position: relative;
  z-index: 1;
}

.progress-step.active .progress-dot {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: #fff;
}

.progress-step.completed .progress-dot {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: #fff;
}

.progress-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: 500;
  white-space: nowrap;
}

.progress-step.active .progress-label { color: var(--color-accent); font-weight: 600; }

.order-step {
  display: none;
  animation: step-enter 0.3s ease forwards;
}

.order-step.active { display: block; }

@keyframes step-enter {
  from { opacity: 0; transform: translateX(16px); }
  to   { opacity: 1; transform: translateX(0); }
}

.order-step-header {
  margin-bottom: var(--space-6);
}

.order-step-header h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.order-step-header p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.order-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-light);
}

/* Confidentiality box */
.confidentiality-box {
  background: var(--color-accent-pale);
  border: 1px solid var(--color-accent-light);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  transition: background var(--transition-normal), border-color var(--transition-normal);
}

.confidentiality-box-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition-normal);
}

.confidentiality-box h4 {
  font-size: var(--font-size-sm);
  font-weight: 700;
  margin-bottom: var(--space-1);
  color: var(--color-text);
}

.confidentiality-box p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Order Summary */
.order-summary-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border-light);
  gap: var(--space-4);
}

.summary-row:last-child { border-bottom: none; }

.summary-label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.summary-value {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  font-weight: 500;
  text-align: right;
}

.summary-price {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--color-accent);
}

/* Stripe simulation */
.stripe-simulator {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
}

.stripe-logo {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: #635bff;
  margin-bottom: var(--space-4);
  letter-spacing: -0.03em;
}

.stripe-comment {
  display: inline-block;
  background: #fef3c7;
  color: #92400e;
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

/* Loading spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2.5px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

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

.spinner-dark {
  border-color: rgba(0,0,0,0.15);
  border-top-color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   18. Success / Confirmation
   -------------------------------------------------------------------------- */
.success-state {
  text-align: center;
  padding: var(--space-16) var(--space-6);
}

.success-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: #dcfce7;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  animation: success-pop 0.4s ease-out;
}

@keyframes success-pop {
  0%   { transform: scale(0.5); opacity: 0; }
  80%  { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}

.success-state h2 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-4);
}

.success-state p {
  color: var(--color-text-muted);
  max-width: 480px;
  margin: 0 auto var(--space-4);
}

/* --------------------------------------------------------------------------
   19. Legal Pages
   -------------------------------------------------------------------------- */
.legal-content h2 {
  font-size: var(--font-size-2xl);
  color: var(--color-text);
  margin-top: var(--space-12);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-border-light);
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.legal-content p {
  font-size: var(--font-size-base);
  color: var(--color-text-2);
  line-height: 1.75;
  margin-bottom: var(--space-4);
}

.legal-content ul {
  list-style: disc;
  padding-left: var(--space-6);
  color: var(--color-text-2);
  font-size: var(--font-size-base);
  line-height: 1.8;
  margin-bottom: var(--space-4);
}

.legal-content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: var(--color-border);
  text-underline-offset: 2px;
}

/* --------------------------------------------------------------------------
   20. Mode selection cards (order flow step 1)
   -------------------------------------------------------------------------- */
.mode-select-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.mode-select-card {
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  cursor: pointer;
  transition: all var(--transition-normal);
  background: var(--color-surface);
  text-align: center;
  position: relative;
}

.mode-select-card:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-pale);
}

.mode-select-card.selected-metal {
  border-color: #e8581a;
  background: #fff2ea;
  box-shadow: 0 0 0 4px rgba(232,88,26,0.1);
}

.mode-select-card.selected-plastic {
  border-color: #15803d;
  background: #f0fdf4;
  box-shadow: 0 0 0 4px rgba(21,128,61,0.1);
}

.mode-select-card-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-3);
}

.mode-select-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
}

.mode-select-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   21. Analysis selection cards (order flow step 2)
   -------------------------------------------------------------------------- */
.analysis-select-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.analysis-select-card {
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  cursor: pointer;
  transition: all var(--transition-normal);
  background: var(--color-surface);
}

.analysis-select-card:hover,
.analysis-select-card.selected {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-accent) 10%, transparent);
}

.analysis-select-card.selected {
  background: var(--color-accent-pale);
}

/* --------------------------------------------------------------------------
   22. Highlight Boxes
   -------------------------------------------------------------------------- */
.highlight-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Use when an item has both h4 and a description paragraph below it.
   Structure: .highlight-item--stacked > .highlight-row (icon + h4) + p */
.highlight-item--stacked {
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-1);
}

.highlight-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.highlight-item--stacked > p {
  padding-left: calc(32px + var(--space-3));
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0;
}

.highlight-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition-normal);
}

.highlight-icon svg { color: var(--color-accent); transition: color var(--transition-normal); }

.highlight-text h4,
.highlight-row h4 {
  font-weight: 700;
}

.highlight-text p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   23. Expertise Page specifics
   -------------------------------------------------------------------------- */
.expertise-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.expertise-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
}

.expertise-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-accent-light);
  transition: border-color var(--transition-normal);
}

.tech-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.tech-tag {
  display: inline-block;
  padding: 4px 10px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.tech-tag.accent {
  background: var(--color-badge-bg);
  color: var(--color-badge-text);
  border-color: var(--color-accent-light);
  transition: background var(--transition-normal), color var(--transition-normal), border-color var(--transition-normal);
}

.tech-tag.accent-outline {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   24. Page Hero (inner pages)
   -------------------------------------------------------------------------- */
.page-hero {
  background: linear-gradient(135deg, #0a0f1e 0%, #1a2540 100%);
  padding: var(--space-20) 0 var(--space-16);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 120%, color-mix(in srgb, var(--color-accent-mid) 15%, transparent), transparent 70%);
  transition: background var(--transition-slow);
}

.page-hero h1 {
  color: #fff;
  position: relative;
  z-index: 1;
  font-size: clamp(1.8rem, 4vw, 3rem);
  margin-bottom: var(--space-4);
}

.page-hero p {
  color: rgba(255,255,255,0.7);
  font-size: var(--font-size-lg);
  max-width: 560px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

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

.hidden { display: none !important; }

.divider {
  height: 1px;
  background: var(--color-border-light);
  margin: var(--space-8) 0;
}

.bg-surface { background: var(--color-surface); }
.bg-surface-2 { background: var(--color-surface-2); }
.bg-dark { background: #0a0f1e; }

/* --------------------------------------------------------------------------
   26. Responsive Breakpoints
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .main-nav { display: none; }
  .nav-hamburger { display: flex; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .pricing-cards { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .expertise-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --header-height: 60px; }
  h1 { font-size: var(--font-size-3xl); }
  h2 { font-size: var(--font-size-2xl); }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .mode-select-cards { grid-template-columns: 1fr; }
  .analysis-select-cards { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .hero-stats { gap: var(--space-6); }
  .order-progress { display: none; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  .pricing-card { align-items: center; text-align: center; }
  .pricing-features { align-self: stretch; text-align: left; }

  .process-step { flex-direction: column; align-items: center; text-align: center; }
  .process-steps::before { display: none; }

  .expertise-card h3 { text-align: center; }

  #report-form button[type="submit"] { align-self: stretch; justify-content: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--space-4); }
  .section { padding: var(--space-12) 0; }
  .card { padding: var(--space-5); }
  .pricing-card { padding: var(--space-6); }
  .mode-toggle { display: none; }
  .hero h1 { font-size: clamp(1.8rem, 8vw, 2.5rem); }
}

/* --------------------------------------------------------------------------
   27. Focus styles (accessibility)
   -------------------------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* --------------------------------------------------------------------------
   28. Print
   -------------------------------------------------------------------------- */
@media print {
  .site-header, .site-footer, .cta-section { display: none; }
  .page-content { padding-top: 0; }
}

/* --------------------------------------------------------------------------
   29. Cookie-Consent-Banner
   Wird per JS (script.js, initCookieConsent) injiziert — kein festes Markup
   pro Seite nötig. Speichert die Wahl in localStorage (Key rfam_cookie_consent),
   damit spätere Analytics-Skripte den Consent-Status prüfen können, bevor sie
   geladen werden.
   -------------------------------------------------------------------------- */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  background: var(--color-text);
  color: #fff;
  box-shadow: var(--shadow-lg);
  transform: translateY(100%);
  opacity: 0;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.cookie-banner.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.cookie-banner-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.cookie-banner-text {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.85);
  margin: 0;
  flex: 1 1 420px;
}

.cookie-banner-text a {
  color: #fff;
  text-decoration: underline;
}

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

.cookie-banner-actions .btn-outline {
  border-color: rgba(255,255,255,0.35);
  color: #fff;
}

.cookie-banner-actions .btn-outline:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.08);
}

.footer-legal-link--button {
  font-family: inherit;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

@media (max-width: 600px) {
  .cookie-banner-inner { padding: var(--space-4); }
  .cookie-banner-actions { width: 100%; }
  .cookie-banner-actions .btn { flex: 1; }
}