/* ==========================================================================
   IBIT – DESIGN SYSTEM & STYLESHEET
   Design-Grundlagen:
   - Primary Dark: Tiefes Nachtblau (#0c1119 / #182333)
   - Secondary Light: Warmes Sandgrau (#e8e6e1 / #faf9f6)
   - Font: Plus Jakarta Sans (100% lokal gehostet, DSGVO-konform)
   - Nav: Stil 2 (Schwebende Insel / Floating Dock)
   - Buttons: Stil 2 (Präziser Outline-Rand)
   - Kacheln: Stil 1 (Klassische Fertigungskarte)
   - Scroll-Effekt: Stil B (Sanftes Fade-In 350ms)
   ========================================================================== */

/* --- PLUS JAKARTA SANS (LOKAL GEHOSTET // 100% DSGVO-KONFORM) --- */
@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('../fonts/plus-jakarta-sans-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('../fonts/plus-jakarta-sans-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* --- TIEFES NACHTBLAU (DARK THEME - DEFAULT) --- */
  --bg-page: #0c1119;
  --bg-surface: #131b26;
  --bg-surface-elevated: #172230;
  --bg-card: #182333;
  --bg-card-header: #0f1621;
  --bg-dock: rgba(19, 27, 38, 0.92);

  --border-subtle: #243247;
  --border-strong: #364a66;

  --text-heading: #f8fafc;
  --text-body: #c7d2e0;
  --text-muted: #7e91aa;
  --text-dim: #506177;

  /* Entschärftes IBIT-Duo */
  --color-blue: #4f8dc2;
  --color-blue-subtle: rgba(79, 141, 194, 0.12);
  --color-blue-hover: #3d76a3;

  --color-green: #38a15c;
  --color-green-subtle: rgba(56, 161, 92, 0.12);
  --color-green-hover: #2c854a;

  --price-color: #5ec986;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 999px;
  --shadow-dock: 0 8px 30px rgba(0, 0, 0, 0.4);
}

/* --- WARMES SANDGRAU (LIGHT THEME) --- */
body.theme-sand-light {
  --bg-page: #e8e6e1;
  --bg-surface: #f2f0eb;
  --bg-surface-elevated: #e5e2da;
  --bg-card: #faf9f6;
  --bg-card-header: #dedad2;
  --bg-dock: rgba(242, 240, 235, 0.94);

  --border-subtle: #ccc7be;
  --border-strong: #b5aea2;

  --text-heading: #1c1a17;
  --text-body: #3d3935;
  --text-muted: #6b645c;
  --text-dim: #948c82;

  --color-blue: #2c6596;
  --color-blue-subtle: rgba(44, 101, 150, 0.1);
  --color-blue-hover: #22517a;

  --color-green: #297c48;
  --color-green-subtle: rgba(41, 124, 72, 0.1);
  --color-green-hover: #1f6138;

  --price-color: #21673c;
  --shadow-dock: 0 8px 25px rgba(0, 0, 0, 0.12);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

section[id] {
  scroll-margin-top: 100px;
}

body {
  background-color: var(--bg-page);
  color: var(--text-body);
  font-family: var(--font-family);
  font-size: 15px;
  line-height: 1.55;
  padding-top: 110px;
  padding-bottom: 80px;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.25s, color 0.25s;
}

.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ==========================================================================
   NAVIGATION: STIL 2 – SCHWEBENDE INSEL (FLOATING DOCK)
   ========================================================================== */
.floating-nav-wrapper {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 900;
  display: flex;
  justify-content: center;
  padding: 0 20px;
}

.floating-nav {
  width: 100%;
  max-width: 980px;
  background: var(--bg-dock);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
  padding: 10px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-dock);
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.25));
  transition: transform 0.25s ease;
}

.brand-group:hover .brand-logo {
  transform: scale(1.06) rotate(-2deg);
}

.brand-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-heading);
  letter-spacing: -0.01em;
}

.brand-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-body);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 12px;
  position: relative;
  transition: color 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0px;
  width: 0;
  height: 2px;
  background: var(--color-blue);
  border-radius: 2px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 0 8px var(--color-blue);
}

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

.nav-links a:hover::after {
  width: 60%;
}

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

.nav-links a.active::after {
  width: 80%;
  background: var(--color-blue);
  box-shadow: 0 0 10px var(--color-blue);
}

.nav-links a.active::before {
  content: '';
  position: absolute;
  top: -2px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-blue);
  box-shadow: 0 0 8px var(--color-blue);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-green);
  background: var(--color-green-subtle);
  border: 1px solid var(--color-green);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.status-dot-pulse {
  position: relative;
  width: 8px;
  height: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.status-dot-core {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-green);
  position: absolute;
  inset: 0;
}

.status-dot-wave {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1.5px solid var(--color-green);
  opacity: 0.8;
  animation: radar-pulse 2.2s infinite ease-out;
}

@keyframes radar-pulse {
  0% {
    transform: scale(0.6);
    opacity: 1;
  }
  100% {
    transform: scale(2.4);
    opacity: 0;
  }
}

.theme-toggle-btn {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-body);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: all 0.15s;
}

.theme-toggle-btn:hover {
  border-color: var(--color-blue);
  color: var(--text-heading);
}

/* --- MOBILE MENÜ BUTTON & DRAWER (STANDARD: DESKTOP VERSTECKT) --- */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 34px;
  height: 34px;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  cursor: pointer;
  padding: 0;
  transition: border-color 0.2s, background-color 0.2s;
  flex-shrink: 0;
}

.mobile-menu-btn:hover,
.mobile-menu-btn.is-active {
  border-color: var(--color-blue);
  background: var(--color-blue-subtle);
}

.burger-bar {
  width: 15px;
  height: 1.5px;
  background-color: var(--text-heading);
  border-radius: 2px;
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.mobile-menu-btn.is-active .burger-bar:nth-child(1) {
  transform: translateY(5.5px) rotate(45deg);
}

.mobile-menu-btn.is-active .burger-bar:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.is-active .burger-bar:nth-child(3) {
  transform: translateY(-5.5px) rotate(-45deg);
}

.mobile-nav-drawer {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 10px;
  right: 10px;
  max-width: 980px;
  margin: 0 auto;
  background: var(--bg-dock);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 12px 14px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55);
  z-index: 950;
  animation: slideDownMenu 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-nav-drawer.is-open {
  display: block;
}

@keyframes slideDownMenu {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-link {
  display: flex;
  align-items: center;
  padding: 11px 14px;
  color: var(--text-heading);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background-color 0.15s, color 0.15s;
}

.mobile-link:hover,
.mobile-link:active {
  background: var(--color-blue-subtle);
  color: var(--color-blue);
}

.mobile-nav-footer {
  margin-top: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--border-subtle);
}

.mobile-status-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-green);
  padding: 4px 6px;
}

/* ==========================================================================
   BUTTONS: STIL 3 – SHIMMER-SWEEP, 3D-LIFT (1.035x) & AMBIENT GLOW
   ========================================================================== */
.btn-outline-green,
.btn-outline-blue,
.btn-solid-blue,
.btn-outline-neutral {
  font-weight: 600;
  font-size: 14px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  user-select: none;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Shimmer-Sweep Lichtkante */
.btn-outline-green::before,
.btn-outline-blue::before,
.btn-solid-blue::before,
.btn-outline-neutral::before {
  content: '';
  position: absolute;
  top: 0;
  left: -130%;
  width: 70%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.32), transparent);
  transform: skewX(-22deg);
  transition: none;
  pointer-events: none;
}

.btn-outline-green:hover::before,
.btn-outline-blue:hover::before,
.btn-solid-blue:hover::before,
.btn-outline-neutral:hover::before {
  left: 140%;
  transition: all 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-outline-green {
  background: var(--color-green-subtle);
  color: var(--color-green);
  border: 1.5px solid var(--color-green);
}

.btn-outline-green:hover {
  background: var(--color-green);
  color: #ffffff;
  transform: translateY(-2.5px) scale(1.035);
  box-shadow: 0 8px 24px var(--color-green-glow);
}

.btn-outline-blue {
  background: var(--color-blue-subtle);
  color: var(--color-blue);
  border: 1.5px solid var(--color-blue);
}

.btn-outline-blue:hover {
  background: var(--color-blue);
  color: #ffffff;
  transform: translateY(-2.5px) scale(1.035);
  box-shadow: 0 8px 24px var(--color-blue-glow);
}

.btn-solid-blue {
  background: var(--color-blue);
  color: #ffffff !important;
  border: 1.5px solid var(--color-blue);
  box-shadow: 0 4px 14px var(--color-blue-glow);
}

.btn-solid-blue:hover {
  background: var(--color-blue-hover);
  border-color: var(--color-blue-hover);
  color: #ffffff !important;
  transform: translateY(-2.5px) scale(1.035);
  box-shadow: 0 8px 26px var(--color-blue-glow);
}

.btn-outline-neutral {
  background: transparent;
  color: var(--text-body);
  border: 1.5px solid var(--border-strong);
}

.btn-outline-neutral:hover {
  background: var(--border-strong);
  color: var(--text-heading);
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
}

/* Haptisches Klick-Gefühl */
.btn-outline-green:active,
.btn-outline-blue:active,
.btn-outline-neutral:active {
  transform: translateY(0) scale(0.97);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

/* ==========================================================================
   SCROLL-ANIMATION: STIL B – SANFTES FADE-IN (350ms)
   ========================================================================== */
.scroll-item {
  opacity: 1;
  transform: none;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

body.enable-scroll-fx .scroll-item:not(.is-visible) {
  opacity: 0;
  transform: translateY(16px);
}

body.enable-scroll-fx .scroll-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   HERO BEREICH
   ========================================================================== */
.hero-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  margin-bottom: 48px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-blue);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.hero-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-heading);
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 14px;
}

.hero-description {
  color: var(--text-muted);
  font-size: 16px;
  max-width: 650px;
  margin-bottom: 24px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ==========================================================================
   HERO PORTALE (DUAL-CHOICE: 3D-DRUCK VS. TRAINMASTER)
   ========================================================================== */
.hero-portals-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 10px;
}

.portal-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.portal-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
}

.portal-green:hover {
  border-color: var(--color-green);
}

.portal-blue:hover {
  border-color: var(--color-blue);
}

.portal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.portal-badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.badge-green {
  background: var(--color-green-subtle);
  color: var(--color-green);
  border: 1px solid var(--color-green);
}

.badge-blue {
  background: var(--color-blue-subtle);
  color: var(--color-blue);
  border: 1px solid var(--color-blue);
}

.portal-arrow {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-muted);
  transition: transform 0.2s;
}

.portal-card:hover .portal-arrow {
  transform: translateY(3px);
  color: var(--text-heading);
}

.portal-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 8px;
  line-height: 1.3;
}

.portal-text {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 18px;
}

.portal-features {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-body);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 14px;
}

@media (max-width: 768px) {
  .hero-portals-grid {
    grid-template-columns: 1fr;
  }
}


/* ==========================================================================
   KACHELN: STIL 1 – KLASSISCHE FERTIGUNGSKARTE
   ========================================================================== */
.section-header {
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 8px;
}

.section-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-heading);
  letter-spacing: -0.01em;
}

.section-subtitle {
  font-size: 13px;
  color: var(--text-muted);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 22px;
  margin-bottom: 56px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease, box-shadow 0.25s ease;
}

.product-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-blue);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.35);
}

.product-img-wrap {
  height: 175px;
  background: var(--bg-card-header);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

.product-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 14px;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.2));
}

.product-card:hover .product-img-wrap img {
  transform: scale(1.08) rotate(1.5deg);
}

.product-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--color-green);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

.product-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.product-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 8px;
  line-height: 1.35;
}

.product-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 18px;
}

.product-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
}

.price-tag {
  font-size: 15px;
  font-weight: 700;
  color: var(--price-color);
}

/* ==========================================================================
   TRAINMASTER SOFTWARE SHOWCASE
   ========================================================================== */
.trainmaster-banner {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--color-blue);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 56px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.tm-content {
  width: 100%;
}

.tm-badge {
  display: inline-block;
  background: var(--color-blue-subtle);
  color: var(--color-blue);
  border: 1px solid var(--color-blue);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.tm-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 8px;
}

.tm-content p {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 820px;
  line-height: 1.6;
}

.tm-highlights-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 20px;
  width: 100%;
}

@media (max-width: 680px) {
  .tm-highlights-grid {
    grid-template-columns: 1fr;
  }
}

.tm-highlight-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.tm-highlight-item:hover {
  border-color: var(--color-blue);
  transform: translateY(-2px);
}

.tm-icon {
  font-size: 18px;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
}

.tm-highlight-item strong {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 2px;
}

.tm-highlight-item span {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ==========================================================================
   WERKSTOFF-MATRIX & TECHNISCHE SPEZIFIKATIONEN
   ========================================================================== */
.specs-section {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 34px 32px;
  margin-bottom: 72px;
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.spec-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.22s ease, box-shadow 0.22s ease;
}

.spec-item:hover {
  transform: translateY(-3px);
  border-color: var(--color-blue);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.spec-mat-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 4px;
}

.spec-mat-prop {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--color-blue);
  margin-bottom: 6px;
}

.spec-mat-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ==========================================================================
   KONTAKT: EMAIL QUICK-LINK (NULL DATENSCHUTZ-ÄRGER)
   ========================================================================== */
.contact-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  margin-bottom: 120px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.contact-text h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 6px;
}

.contact-text p {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 8px;
}

.dsgvo-pill {
  font-size: 11px;
  color: var(--color-green);
  font-weight: 600;
  background: var(--color-green-subtle);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  display: inline-block;
}

/* ==========================================================================
   FOOTER & RECHTLICHES (§ 5 DDG & DATENSCHUTZ)
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 18px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.15s;
}

.footer-links a:hover {
  color: var(--color-blue);
}

.footer-links .footer-login-link {
  opacity: 0.65;
  font-size: 12px;
}

.footer-links .footer-login-link:hover {
  opacity: 1;
  color: var(--color-blue);
}

/* ==========================================================================
   MODALS FÜR IMPRESSUM & DATENSCHUTZ
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.is-open {
  display: flex;
}

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 28px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-heading);
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
}

.modal-close-btn:hover {
  color: var(--text-heading);
}

.modal-body {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-body);
}

.modal-body h4 {
  color: var(--text-heading);
  margin-top: 14px;
  margin-bottom: 4px;
  font-size: 14px;
}

.modal-body p {
  margin-bottom: 10px;
}

/* ==========================================================================
   RESPONSIVE DESIGN (TABLETS & SMARTPHONES)
   ========================================================================== */
@media (max-width: 900px) {
  .hero-portals-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (max-width: 768px) {
  body {
    padding-top: 80px;
    padding-bottom: 60px;
  }

  .container {
    padding: 0 14px;
  }

  /* Schwebende Navigation: Felsenfest, kompakt & zentriert */
  .floating-nav-wrapper {
    top: 10px;
    padding: 0 10px;
  }

  .floating-nav {
    padding: 7px 14px;
    border-radius: var(--radius-pill);
    gap: 10px;
  }

  .brand-group {
    gap: 8px;
  }

  .brand-logo {
    width: 32px;
    height: 32px;
  }

  .brand-title {
    font-size: 15px;
  }

  .brand-sub {
    display: none; /* Subtitel ausblenden, um Platz zu sparen */
  }

  .nav-links {
    display: none; /* Desktop-Links ausblenden, jetzt im Burger-Menü */
  }

  .nav-actions {
    gap: 8px;
  }

  .status-badge {
    padding: 5px 8px;
    font-size: 11px;
  }

  .status-badge span,
  .status-badge .status-text,
  #nav-status-text {
    display: none; /* Text auf Mobile ausblenden, nur pulsierenden Punkt zeigen */
  }

  .theme-toggle-btn {
    width: 32px;
    height: 32px;
    font-size: 13px;
  }

  .mobile-menu-btn {
    display: inline-flex; /* Burger Button auf Mobile anzeigen */
  }

  /* Hero Bereich */
  .hero-box {
    padding: 22px 16px 26px 16px;
    margin-bottom: 28px;
  }

  .hero-title {
    font-size: 22px;
    line-height: 1.3;
  }

  .hero-description {
    font-size: 14px;
  }

  .hero-portals-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .portal-card {
    padding: 18px 16px;
  }

  .portal-title {
    font-size: 17px;
  }

  .portal-features {
    font-size: 12px;
  }

  /* 3D-Druck Angebote & Kacheln */
  .products-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .product-img-wrap {
    height: 190px;
  }

  /* TrainMaster Banner auf Startseite */
  .trainmaster-banner {
    padding: 22px 16px;
    margin-bottom: 30px;
  }

  .tm-banner-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  /* Werkstoffe */
  .specs-section {
    padding: 22px 16px;
    margin-bottom: 30px;
  }

  .specs-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* Kontakt */
  .contact-box {
    padding: 22px 16px;
    margin-bottom: 40px;
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .contact-text {
    text-align: left;
  }

  .btn-outline-green, .btn-outline-blue, .btn-solid-blue {
    width: 100%;
    justify-content: center;
    padding: 11px 16px;
    font-size: 14px;
  }

  /* Footer */
  .site-footer {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 14px;
    padding-top: 22px;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 16px;
  }

  /* Modals */
  .modal-content {
    width: 95%;
    max-width: 95%;
    padding: 20px 16px;
    margin: 16px auto;
  }
}

@media (max-width: 480px) {
  body {
    padding-top: 74px;
  }

  .floating-nav-wrapper {
    top: 6px;
    padding: 0 8px;
  }

  .floating-nav {
    padding: 6px 10px;
  }

  .brand-logo {
    width: 28px;
    height: 28px;
  }

  .brand-title {
    font-size: 14px;
  }

  .hero-box {
    padding: 18px 12px;
  }

  .portal-card {
    padding: 16px 12px;
  }
}