/* ==========================================================================
   CSS Reset & Base
   ========================================================================== */

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

* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

/* ==========================================================================
   CSS Custom Properties (Design Tokens)
   ========================================================================== */

:root {
  /* Scales */
  --radius: 1.2rem;
  --ease-std: cubic-bezier(0.2, 0.8, 0.2, 1);
  --dur-1: 150ms;
  --dur-2: 300ms;

  /* Fluid Type/Container */
  --container: clamp(64ch, 92vw, 1200px);
  --fs-00: clamp(0.875rem, 0.82rem + 0.2vw, 0.95rem);
  --fs-0: clamp(1rem, 0.9rem + 0.3vw, 1.125rem);
  --fs-1: clamp(1.25rem, 1.05rem + 1.2vw, 1.75rem);
  --fs-2: clamp(1.5rem, 1.2rem + 2vw, 2.25rem);
  --fs-3: clamp(2rem, 1.4rem + 3.5vw, 3rem);

  /* Base Hue/Chroma (brand) */
  --brand-h: 265;
  --brand-c: 0.14;
  
  /* Lightness anchors (dark first, then computed light) */
  --bg-l: 0.16;
  --fg-l: 0.92;
  --ui-l: 0.24;
  --muted-l: 0.70;

  /* Derived Colors (OKLCH) */
  --color-bg: oklch(var(--bg-l) 0 var(--brand-h));
  --color-fg: oklch(var(--fg-l) 0 var(--brand-h));
  --color-ui: oklch(var(--ui-l) 0 var(--brand-h));
  --color-muted: oklch(var(--muted-l) 0 var(--brand-h));

  /* Brand shades */
  --primary: oklch(0.70 var(--brand-c) var(--brand-h));
  --primary-hi: oklch(0.78 var(--brand-c) var(--brand-h));
  --primary-lo: oklch(0.62 var(--brand-c) var(--brand-h));
  --accent: oklch(0.72 0.12 calc(var(--brand-h) + 40));

  /* Spacing Scale */
  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;

  /* Gap Scale */
  --gap-1: 0.25rem;
  --gap-2: 0.5rem;
  --gap-3: 0.75rem;
  --gap-4: 1rem;
  --gap-5: 1.5rem;
  --gap-6: 2rem;
  --gap-7: 3rem;
  --gap-8: 4rem;
}

/* Light Theme: adjust only Lightness tokens via formula */
:root[data-theme="light"] {
  --bg-l: 0.98;          /* Sehr heller Hintergrund */
  --fg-l: 0.12;          /* Sehr dunkler Text */
  --ui-l: 0.92;          /* Heller UI-Hintergrund */
  --muted-l: 0.45;       /* Mittlere Muted-Farbe */
}

/* ==========================================================================
   Base Application
   ========================================================================== */

html {
  color-scheme: light dark;
  background: var(--color-bg);
  color: var(--color-fg);
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: var(--fs-0);
  background: var(--color-bg);
  color: var(--color-fg);
  transition: background-color var(--dur-2) var(--ease-std), color var(--dur-2) var(--ease-std);
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

/* Layout Utilities */
.container {
  width: min(100%, var(--container));
  margin-inline: auto;
  padding-inline: clamp(1rem, 2vw, 2rem);
}

.grid {
  display: grid;
  gap: var(--gap, 1rem);
}

.grid--cards {
  grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
}

.grid--references {
  grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
  gap: var(--gap-6);
}

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

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

.stack--sm > * + * {
  margin-block-start: var(--gap-3);
}

.stack--md > * + * {
  margin-block-start: var(--gap-5);
}

.stack--lg > * + * {
  margin-block-start: var(--gap-7);
}

/* Typography Utilities */
.lead {
  font-size: var(--fs-1);
  line-height: 1.5;
  color: var(--color-muted);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  clip-path: inset(50%);
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-fg);
  color: var(--color-bg);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius);
  text-decoration: none;
  z-index: 100;
  transition: top var(--dur-2) var(--ease-std);
}

.skip-link:focus {
  top: 0;
}

/* Spacing Utilities */
.pad-1 { padding: var(--space-1); }
.pad-2 { padding: var(--space-2); }
.pad-3 { padding: var(--space-3); }
.pad-4 { padding: var(--space-4); }
.pad-5 { padding: var(--space-5); }
.pad-6 { padding: var(--space-6); }
.pad-7 { padding: var(--space-7); }
.pad-8 { padding: var(--space-8); }

.gap-1 { gap: var(--gap-1); }
.gap-2 { gap: var(--gap-2); }
.gap-3 { gap: var(--gap-3); }
.gap-4 { gap: var(--gap-4); }
.gap-5 { gap: var(--gap-5); }
.gap-6 { gap: var(--gap-6); }
.gap-7 { gap: var(--gap-7); }
.gap-8 { gap: var(--gap-8); }

.radius-1 { border-radius: var(--radius); }
.radius-2 { border-radius: calc(var(--radius) * 1.5); }

/* State Utilities */
.is-active {
  color: var(--primary);
}

.is-inview[data-anim] {
  opacity: 1;
  transform: translateY(0);
}

/* Gradient Underline Utility */
.gradient-underline {
  position: relative;
}

.gradient-underline::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  border-radius: 2px;
}

/* Spezielle Anpassung für Navigation-Links */
.nav__menu .gradient-underline::after {
  bottom: -8px;
  width: 40px;
  height: 2px;
}

.gradient-underline--wide::after {
  width: 100px;
}

.gradient-underline--narrow::after {
  width: 40px;
}

/* ==========================================================================
   Accessibility & Motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition: none !important;
  }
}

[data-anim] {
  opacity: 0;
  transform: translateY(0.5rem);
  transition: opacity var(--dur-2) var(--ease-std), transform var(--dur-2) var(--ease-std);
}

@supports not (selector(.is-inview)) {
  [data-anim] {
    opacity: 1;
  }
}

/* Verschiedene Animationen für verschiedene Elemente */
[data-anim="fade-up"] {
  transform: translateY(1rem);
}

[data-anim="fade-left"] {
  transform: translateX(-1rem);
}

[data-anim="fade-right"] {
  transform: translateX(1rem);
}

[data-anim="scale"] {
  transform: scale(0.9);
}

[data-anim="rotate"] {
  transform: rotate(-5deg);
}

[data-anim="bounce"] {
  transform: translateY(0.5rem);
}

[data-anim="slide-up"] {
  transform: translateY(2rem);
}

[data-anim="slide-left"] {
  transform: translateX(2rem);
}

[data-anim="slide-right"] {
  transform: translateX(-2rem);
}

[data-anim="zoom-in"] {
  transform: scale(0.8);
}

[data-anim="zoom-out"] {
  transform: scale(1.1);
}

/* Staggered Animationen für Cards */
.card[data-anim]:nth-child(1) { transition-delay: 0.1s; }
.card[data-anim]:nth-child(2) { transition-delay: 0.2s; }
.card[data-anim]:nth-child(3) { transition-delay: 0.3s; }
.card[data-anim]:nth-child(4) { transition-delay: 0.4s; }
.card[data-anim]:nth-child(5) { transition-delay: 0.5s; }
.card[data-anim]:nth-child(6) { transition-delay: 0.6s; }

/* Process Steps Animation */
.process-step[data-anim]:nth-child(1) { transition-delay: 0.1s; }
.process-step[data-anim]:nth-child(2) { transition-delay: 0.3s; }
.process-step[data-anim]:nth-child(3) { transition-delay: 0.5s; }

/* Focus Styles */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}



/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--space-4);
}

h1 {
  font-size: var(--fs-3);
}

h2 {
  font-size: var(--fs-2);
}

h3 {
  font-size: var(--fs-1);
}

p {
  margin-bottom: var(--space-4);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--dur-1) var(--ease-std);
}

a:hover {
  color: var(--primary-hi);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-5);
  border: none;
  border-radius: var(--radius);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--dur-1) var(--ease-std);
  min-height: 44px;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--primary);
  color: var(--color-bg);
}

.btn--primary:hover {
  background: var(--primary-lo);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.btn--primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s var(--ease-std);
}

.btn--primary:hover::before {
  transform: translateX(100%);
}

.btn--secondary {
  background: transparent;
  color: var(--color-fg);
  border: 2px solid var(--color-ui);
}

.btn--secondary:hover {
  background: var(--color-ui);
  border-color: var(--primary);
}

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

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.header {
  position: sticky;
  top: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-ui);
  backdrop-filter: blur(10px);
  z-index: 100;
  transition: all var(--dur-2) var(--ease-std);
}

.nav {
  position: relative;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
}

.nav__brand {
  flex-shrink: 0;
}

.nav__logo {
  font-size: var(--fs-1);
  font-weight: 700;
  color: var(--color-fg);
}

.nav__menu {
  display: flex;
  list-style: none;
  gap: var(--gap-5);
  margin: 0;
  padding: 0;
}

.nav__menu a {
  color: var(--color-fg);
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius);
  transition: all var(--dur-1) var(--ease-std);
}

.nav__menu a:hover {
  background: var(--color-ui);
  color: var(--primary);
}

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

.theme-toggle {
  background: none;
  border: none;
  font-size: var(--fs-1);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius);
  transition: background-color var(--dur-1) var(--ease-std);
}

.theme-toggle:hover {
  background: var(--color-ui);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  gap: 4px;
}

.nav-toggle__line {
  width: 20px;
  height: 2px;
  background: var(--color-fg);
  transition: all var(--dur-1) var(--ease-std);
}

/* Mobile Navigation Styles */
.nav__menu.is-active {
  display: flex;
  position: static;
  background: var(--color-bg);
  border-top: 1px solid var(--color-ui);
  flex-direction: column;
  padding: var(--space-4);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  margin-top: var(--space-4);
}

.nav__menu.is-active li {
  margin-bottom: var(--space-3);
}

.nav__menu.is-active a {
  display: block;
  padding: var(--space-3);
  border-radius: var(--radius);
  text-align: center;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
  padding: var(--space-10) 0;
  text-align: center;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-ui) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent, rgba(var(--primary), 0.03), transparent);
  animation: gradient-shift 8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes gradient-shift {
  0%, 100% { transform: translateX(-100%) translateY(-100%); }
  50% { transform: translateX(100%) translateY(100%); }
}

.hero__content {
  max-width: 800px;
  margin: 0 auto;
}

.hero__title {
  font-size: var(--fs-3);
  margin-bottom: var(--space-6);
  line-height: 1.1;
}

.hero__title--highlight {
  color: var(--primary);
}

.hero__subtitle {
  margin-bottom: var(--space-7);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero__actions {
  display: flex;
  gap: var(--gap-4);
  justify-content: center;
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}

.hero__features {
  display: flex;
  gap: var(--gap-5);
  justify-content: center;
  flex-wrap: wrap;
}

.hero__feature {
  display: flex;
  align-items: center;
  gap: var(--gap-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-ui);
  border-radius: var(--radius);
  font-size: var(--fs-00);
  font-weight: 500;
  transition: all var(--dur-2) var(--ease-std);
}

.hero__feature-icon {
  font-size: var(--fs-1);
  transition: transform var(--dur-2) var(--ease-std);
  animation: gentle-pulse 3s ease-in-out infinite;
}

@keyframes gentle-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* ==========================================================================
   Section Headers
   ========================================================================== */

.section-header {
  text-align: center;
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section-header__title {
  margin-bottom: var(--space-4);
}

.section-header__subtitle {
  color: var(--color-muted);
  font-size: var(--fs-1);
}

/* ==========================================================================
   Services Section
   ========================================================================== */

.services {
  padding: var(--space-10) 0;
  background: var(--color-bg);
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
  background: var(--color-ui);
  border-radius: var(--radius);
  padding: var(--space-6);
  transition: all var(--dur-2) var(--ease-std);
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  will-change: transform;
  transform-style: preserve-3d;
  backface-visibility: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, transparent, var(--primary), transparent);
  transition: top 1.2s var(--ease-std);
}

.card::after {
  content: '';
  position: absolute;
  bottom: -100%;
  right: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, transparent, var(--primary), transparent);
  transition: bottom 1.2s var(--ease-std);
}

.card:hover::before {
  top: 100%;
}

.card:hover::after {
  bottom: 100%;
}

.card:hover {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.card__icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  transition: transform var(--dur-2) var(--ease-std);
}

.card:hover .card__icon {
  transform: scale(1.1) rotate(-5deg) translateY(-4px);
}

.card__media {
  margin-bottom: var(--space-5);
  text-align: center;
}

.card__icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
}

.card__title {
  margin-bottom: var(--space-4);
  color: var(--color-fg);
}

.card__description {
  margin-bottom: var(--space-5);
  color: var(--color-muted);
  flex-grow: 1;
}

.card__features {
  list-style: none;
  padding: 0;
  margin: 0;
}

.card__features li {
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-muted);
  color: var(--color-fg);
}

.card__features li:last-child {
  border-bottom: none;
}

.card__features li::before {
  content: "✓";
  color: var(--primary);
  font-weight: bold;
  margin-right: var(--space-3);
}

/* ==========================================================================
   Process Section
   ========================================================================== */

.process {
  padding: var(--space-10) 0;
  background: var(--color-bg);
}

.grid--process {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--gap-6);
}

.process-step {
  text-align: center;
  padding: var(--space-6);
  background: var(--color-ui);
  border-radius: var(--radius);
  transition: all var(--dur-2) var(--ease-std);
}

.process-step:hover {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.process-step:hover .process-step__number {
  transform: scale(1.1) rotate(-5deg);
  background: var(--primary-hi);
  box-shadow: 0 0 20px var(--primary);
}

.process-step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: var(--primary);
  color: var(--color-bg);
  border-radius: 50%;
  font-size: var(--fs-2);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.process-step__title {
  margin-bottom: var(--space-3);
  color: var(--color-fg);
}

.process-step__description {
  color: var(--color-muted);
  margin-bottom: 0;
}

/* ==========================================================================
   References Section
   ========================================================================== */

.references {
  padding: var(--space-10) 0;
  background: var(--color-ui);
}

.reference {
  text-align: center;
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: var(--space-6);
  transition: all var(--dur-2) var(--ease-std);
}

.reference {
  animation: gentle-float 6s ease-in-out infinite;
}

.reference:nth-child(2) {
  animation-delay: -2s;
}

.reference:nth-child(3) {
  animation-delay: -4s;
}

.reference:hover {
  transform: scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  animation-play-state: paused;
}

@keyframes gentle-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.reference:hover .reference__image img {
  transform: scale(1.05);
}

.reference__image img {
  transition: transform var(--dur-2) var(--ease-std);
  border-radius: var(--radius);
}

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

.reference__placeholder {
  width: 100%;
  height: 200px;
  background: var(--color-ui);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-weight: 500;
}

.reference__title {
  margin-bottom: var(--space-3);
  color: var(--color-fg);
}

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

/* ==========================================================================
   FAQ Section
   ========================================================================== */

.faq {
  padding: var(--space-10) 0;
  background: var(--color-ui);
}

.faq__list {
  max-width: 800px;
  margin: 0 auto;
}

.faq__item {
  background: var(--color-bg);
  border-radius: var(--radius);
  margin-bottom: var(--space-4);
  overflow: hidden;
  transition: all var(--dur-1) var(--ease-std);
}

.faq__item:hover {
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

.faq__item:hover .faq__question {
  color: var(--primary);
  transform: translateX(8px);
}

.faq__question {
  width: 100%;
  padding: var(--space-5);
  background: var(--color-bg);
  border: none;
  font-weight: 600;
  color: var(--color-fg);
  text-align: left;
  margin-bottom: 0;
  border-radius: var(--radius) var(--radius) 0 0;
}

.faq__answer {
  padding: 0 var(--space-5) var(--space-5);
  color: var(--color-muted);
  line-height: 1.6;
}

/* ==========================================================================
   About Section
   ========================================================================== */

.about {
  padding: var(--space-10) 0;
  background: var(--color-bg);
}

.about__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-8);
  align-items: center;
}

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

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

.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap-4);
  margin-top: var(--space-6);
}

.about__stat {
  text-align: center;
}

.about__stat-number {
  display: block;
  font-size: var(--fs-2);
  font-weight: 700;
  color: var(--primary);
}

.about__stat-label {
  font-size: var(--fs-00);
  color: var(--color-muted);
}

.about__image {
  text-align: center;
  position: relative;
}

.about__image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius);
  transition: all var(--dur-2) var(--ease-std);
}

.about__image:hover img {
  transform: scale(1.05);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.about__image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent, rgba(var(--primary), 0.1), transparent);
  opacity: 0;
  transition: opacity var(--dur-2) var(--ease-std);
  border-radius: var(--radius);
  pointer-events: none;
}

.about__image:hover::before {
  opacity: 1;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact {
  padding: var(--space-10) 0;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-ui) 100%);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 20%, rgba(var(--primary), 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.contact__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-8);
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.contact__subtitle {
  margin-bottom: var(--space-6);
  color: var(--color-fg);
  font-size: var(--fs-2);
  position: relative;
}

/* Entfernt - wird durch Utility-Klasse ersetzt */

.contact__details {
  margin-bottom: var(--space-8);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--gap-6);
}

.contact__item {
  background: var(--color-ui);
  padding: var(--space-6);
  border-radius: var(--radius);
  text-align: center;
  transition: all var(--dur-2) var(--ease-std);
  position: relative;
  overflow: hidden;
}

.contact__item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent, rgba(var(--primary), 0.03), transparent);
  opacity: 0;
  transition: opacity var(--dur-2) var(--ease-std);
}

.contact__item:hover::before {
  opacity: 1;
}

.contact__item:hover {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.contact__icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  display: block;
  transition: transform var(--dur-2) var(--ease-std);
}

.contact__item:hover .contact__icon {
  transform: scale(1.1) rotate(-5deg);
}

.contact__cta {
  margin-top: var(--space-8);
  text-align: center;
}

/* Kontakt-Links - Alle Eigenschaften in einer Regel */
.contact-link {
  color: var(--primary);
  text-decoration: none;
  transition: all var(--dur-1) var(--ease-std);
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
  font-weight: 500;
  cursor: pointer;
  display: inline-block;
  position: relative;
  z-index: 1;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  pointer-events: auto;
  user-select: none;
}

.contact-link:hover {
  color: var(--primary-hi);
  border-bottom-color: var(--primary);
  text-decoration: underline;
  transform: translateY(-1px);
}

.contact-link:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

.contact-link:active {
  transform: translateY(1px);
}

.contact-link:visited {
  color: var(--primary-lo);
}

.contact-link:visited:hover {
  color: var(--primary-hi);
}

/* Zusätzliche Styling-Regeln für bessere Sichtbarkeit */
.contact-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transition: transform var(--dur-1) var(--ease-std);
}

.contact-link:hover::after {
  transform: scaleX(1);
}

/* Touch-optimierte Styles für mobile Geräte */
@media (hover: none) and (pointer: coarse) {
  .contact-link {
    padding: var(--space-2) var(--space-3);
    background: var(--color-ui);
    border-radius: var(--radius);
    border: 2px solid transparent;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  
  .contact-link:hover {
    background: var(--primary);
    color: var(--color-bg);
    border-color: var(--primary);
  }
  
  .contact-link:active {
    background: var(--primary-lo);
    transform: scale(0.98);
  }
}

/* Zusätzliche Sicherheit für Links */
.contact-link,
.contact-link:visited,
.contact-link:hover,
.contact-link:active,
.contact-link:focus {
  pointer-events: auto !important;
  cursor: pointer !important;
}

/* Höhere Spezifität für Kontakt-Links */
.contact__item .contact-link,
.contact__item a[href^="tel:"],
.contact__item a[href^="mailto:"] {
  color: var(--primary) !important;
  text-decoration: underline !important;
  cursor: pointer !important;
  pointer-events: auto !important;
  display: inline-block !important;
  position: relative !important;
  z-index: 10 !important;
}

.contact__item .contact-link:hover,
.contact__item a[href^="tel:"]:hover,
.contact__item a[href^="mailto:"]:hover {
  color: var(--primary-hi) !important;
  background: var(--primary) !important;
  color: var(--color-bg) !important;
  border-radius: 4px !important;
  padding: 4px 8px !important;
}

/* Höchste Spezifität für Kontakt-Links */
.contact__item a[href^="tel:"],
.contact__item a[href^="mailto:"] {
  color: #6366f1 !important;
  text-decoration: underline !important;
  cursor: pointer !important;
  padding: 4px 8px !important;
  border-radius: 4px !important;
  transition: all 0.2s ease !important;
  display: inline-block !important;
  position: relative !important;
  z-index: 1000 !important;
  pointer-events: auto !important;
  background: transparent !important;
  border: none !important;
  outline: none !important;
}

.contact__item a[href^="tel:"]:hover,
.contact__item a[href^="mailto:"]:hover {
  background: #6366f1 !important;
  color: white !important;
  transform: translateY(-1px) !important;
}

.contact__item a[href^="tel:"]:active,
.contact__item a[href^="mailto:"]:active {
  transform: translateY(1px) !important;
}

/* Zusätzliche Sicherheit - Überschreibe alle anderen Regeln */
.contact__item a[href^="tel:"],
.contact__item a[href^="mailto:"] {
  all: unset !important;
  color: #6366f1 !important;
  text-decoration: underline !important;
  cursor: pointer !important;
  padding: 4px 8px !important;
  border-radius: 4px !important;
  transition: all 0.2s ease !important;
  display: inline-block !important;
  position: relative !important;
  z-index: 1000 !important;
  pointer-events: auto !important;
  background: transparent !important;
  border: none !important;
  outline: none !important;
  font-family: inherit !important;
  font-size: inherit !important;
  font-weight: inherit !important;
  line-height: inherit !important;
}

/* ==========================================================================
   Forms
   ========================================================================== */

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

.form__label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 500;
  color: var(--color-fg);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: var(--space-3);
  border: 2px solid var(--color-muted);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-fg);
  transition: border-color var(--dur-1) var(--ease-std);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}



/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-ui);
  padding: var(--space-8) 0 var(--space-6);
}

.footer__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-8);
  margin-bottom: var(--space-6);
}

.footer__title {
  margin-bottom: var(--space-3);
  color: var(--color-fg);
}

.footer__description {
  color: var(--color-muted);
  margin-bottom: 0;
}

.footer__links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-6);
}

.footer__subtitle {
  margin-bottom: var(--space-3);
  color: var(--color-fg);
  font-size: var(--fs-0);
}

.footer__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer__list li {
  margin-bottom: var(--space-2);
}

.footer__list a {
  color: var(--color-muted);
  transition: color var(--dur-1) var(--ease-std);
}

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

.footer__bottom {
  text-align: center;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-ui);
}

.footer__copyright {
  color: var(--color-muted);
  margin-bottom: 0;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 768px) {
  .nav__menu {
    display: none;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero__actions {
    flex-direction: column;
    align-items: center;
  }
  
  .hero__features {
    flex-direction: column;
    align-items: center;
  }
  
  .about__content {
    grid-template-columns: 1fr;
    gap: var(--gap-6);
  }
  
  .contact__content {
    grid-template-columns: 1fr;
    gap: var(--gap-6);
  }
  
  .contact__details {
    grid-template-columns: 1fr;
    gap: var(--gap-4);
  }
  
  .footer__content {
    grid-template-columns: 1fr;
    gap: var(--gap-6);
  }
  
  .footer__links {
    grid-template-columns: 1fr;
    gap: var(--gap-4);
  }
  
  .about__stats {
    grid-template-columns: 1fr;
    gap: var(--gap-3);
  }
  
  .grid--process {
    grid-template-columns: 1fr;
    gap: var(--gap-4);
  }
  
  .faq__list {
    padding: 0 var(--space-4);
  }
}

@media (max-width: 480px) {
  .hero {
    padding: var(--space-8) 0;
  }
  
  .services,
  .references,
  .about,
  .contact {
    padding: var(--space-8) 0;
  }
  
  .hero__title {
    font-size: var(--fs-2);
  }
  
  .card {
    padding: var(--space-5);
  }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
  .header,
  .nav,
  .hero__actions,
  .footer {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .hero,
  .services,
  .references,
  .about,
  .contact {
    padding: 1rem 0;
  }
}