/* ═══════════════════════════════════════
   DREIVION — STYLESHEET
   Modern, Clean, Eco-Tech Design
   ═══════════════════════════════════════ */

/* ─── CSS Custom Properties ─── */
:root {
  /* Colors */
  --color-green-50: #f0fdf4;
  --color-green-100: #dcfce7;
  --color-green-200: #bbf7d0;
  --color-green-300: #86efac;
  --color-green-400: #4ade80;
  --color-green-500: #22c55e;
  --color-green-600: #16a34a;
  --color-green-700: #15803d;
  --color-green-800: #166534;
  --color-green-900: #14532d;

  --color-white: #ffffff;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  --color-gray-950: #030712;

  /* Semantic Colors */
  --color-primary: #16a34a;
  --color-primary-light: #22c55e;
  --color-primary-dark: #15803d;
  --color-primary-subtle: #f0fdf4;
  --color-text: #1f2937;
  --color-text-light: #4b5563;
  --color-text-muted: #6b7280;
  --color-bg: #ffffff;
  --color-bg-alt: #f9fafb;
  --color-border: #e5e7eb;

  /* Typography */
  --font-family:
    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, 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;
  --font-size-6xl: 3.75rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  --border-radius-2xl: 1.5rem;
  --border-radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md:
    0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg:
    0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl:
    0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--border-radius-sm);
}

ul {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.2;
  color: var(--color-gray-900);
  font-weight: 700;
}

/* ─── Container ─── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-8);
  }
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 600;
  line-height: 1.5;
  border: 2px solid transparent;
  border-radius: var(--border-radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

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

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

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-base);
  border-radius: var(--border-radius-xl);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-xs);
}

/* ─── Section Styles ─── */
.section {
  padding: var(--space-20) 0;
}

@media (min-width: 768px) {
  .section {
    padding: var(--space-32) 0;
  }
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-16);
}

.section-tag {
  display: inline-block;
  padding: var(--space-1) var(--space-4);
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--border-radius-full);
  margin-bottom: var(--space-4);
  letter-spacing: 0.02em;
}

.section-header h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
  .section-header h2 {
    font-size: var(--font-size-4xl);
  }
}

.section-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ═══════════════════════════════════════
     NAVIGATION
     ═══════════════════════════════════════ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
  height: var(--nav-height);
}

.site-header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1;
}

.logo-main {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--color-gray-900);
  letter-spacing: -0.02em;
}

.logo-sub {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: 400;
  margin-top: 1px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-light);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.nav-link:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-subtle);
}

.nav-cta {
  background-color: var(--color-primary);
  color: var(--color-white) !important;
  margin-left: var(--space-2);
  padding: var(--space-2) var(--space-5);
}

.nav-cta:hover {
  background-color: var(--color-primary-dark) !important;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-gray-800);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav-toggle.active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav */
@media (max-width: 899px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 85vw);
    height: 100vh;
    flex-direction: column;
    align-items: flex-start;
    padding: calc(var(--nav-height) + var(--space-8)) var(--space-8)
      var(--space-8);
    background-color: var(--color-white);
    box-shadow: var(--shadow-2xl);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    gap: var(--space-1);
    overflow-y: auto;
  }

  .nav-menu.open {
    transform: translateX(0);
  }

  .nav-link {
    font-size: var(--font-size-base);
    width: 100%;
    padding: var(--space-3) var(--space-4);
  }

  .nav-cta {
    margin-left: 0;
    margin-top: var(--space-4);
    text-align: center;
    width: 100%;
    justify-content: center;
    display: flex;
  }
}

/* ═══════════════════════════════════════
     HERO
     ═══════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + var(--space-12)) 0 var(--space-12);
  background:
    linear-gradient(
      135deg,
      rgba(240, 253, 244, 0.92) 0%,
      rgba(236, 253, 245, 0.88) 25%,
      rgba(249, 250, 251, 0.9) 50%,
      rgba(240, 253, 244, 0.92) 100%
    ),
    url("img/hero-bg.jpg") center / cover no-repeat;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80vw;
  height: 80vw;
  max-width: 800px;
  max-height: 800px;
  background: radial-gradient(
    circle,
    rgba(22, 163, 74, 0.08) 0%,
    transparent 70%
  );
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -15%;
  width: 60vw;
  height: 60vw;
  max-width: 600px;
  max-height: 600px;
  background: radial-gradient(
    circle,
    rgba(34, 197, 94, 0.06) 0%,
    transparent 70%
  );
  border-radius: 50%;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background-color: var(--color-white);
  border: 1px solid var(--color-green-200);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--space-8);
  box-shadow: var(--shadow-sm);
}

.badge-icon {
  font-size: 1.1em;
}

.hero-title {
  font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
  color: var(--color-gray-900);
}

.text-gradient {
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-green-400) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(var(--font-size-base), 2vw, var(--font-size-lg));
  color: var(--color-text-light);
  line-height: 1.7;
  max-width: 700px;
  margin: 0 auto var(--space-10);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}

.stat-number {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-primary);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background-color: var(--color-border);
}

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.hero-scroll-indicator span {
  display: block;
  width: 24px;
  height: 40px;
  border: 2px solid var(--color-gray-300);
  border-radius: 12px;
  position: relative;
}

.hero-scroll-indicator span::after {
  content: "";
  position: absolute;
  top: 6px;
  left: 50%;
  width: 4px;
  height: 8px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transform: translateX(-50%);
  animation: scrollBounce 2s infinite;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: none;
}

@media (min-height: 750px) and (min-width: 768px) {
  .hero-scroll-indicator {
    display: block;
  }
}

@keyframes scrollBounce {
  0%,
  100% {
    top: 6px;
    opacity: 1;
  }
  50% {
    top: 18px;
    opacity: 0.3;
  }
}

/* ═══════════════════════════════════════
     VORTEILE (Benefits)
     ═══════════════════════════════════════ */
.vorteile {
  background-color: var(--color-bg);
}

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

@media (min-width: 640px) {
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .benefits-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.benefit-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
}

.benefit-card:hover {
  border-color: var(--color-green-200);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.benefit-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background-color: var(--color-primary-subtle);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--space-5);
  color: var(--color-primary);
}

.benefit-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-3);
  font-weight: 700;
}

.benefit-card p {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

/* ═══════════════════════════════════════
     PROZESS (Process)
     ═══════════════════════════════════════ */
.prozess {
  background-color: var(--color-bg-alt);
}

.process-timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.process-timeline::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(
    to bottom,
    var(--color-green-200),
    var(--color-primary),
    var(--color-green-200)
  );
}

@media (min-width: 768px) {
  .process-timeline::before {
    left: 39px;
  }
}

.process-step {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: var(--space-6);
  margin-bottom: var(--space-10);
  padding-left: 0;
}

.process-step:last-child {
  margin-bottom: 0;
}

.step-number {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: var(--font-size-lg);
  font-weight: 800;
  border-radius: 50%;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 6px var(--color-bg-alt);
}

@media (min-width: 768px) {
  .step-number {
    width: 80px;
    height: 80px;
    font-size: var(--font-size-2xl);
  }
}

.step-content {
  flex: 1;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-base);
}

.step-content:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-green-200);
}

.step-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background-color: var(--color-primary-subtle);
  border-radius: var(--border-radius-md);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

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

.step-content p {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

.process-cta {
  text-align: center;
  margin-top: var(--space-12);
}

/* ═══════════════════════════════════════
     ZIELGRUPPEN (Target Groups)
     ═══════════════════════════════════════ */
.zielgruppen {
  background-color: var(--color-bg);
}

.target-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

@media (min-width: 640px) {
  .target-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .target-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.target-card {
  text-align: center;
  padding: var(--space-8) var(--space-6);
  background-color: var(--color-bg-alt);
  border-radius: var(--border-radius-xl);
  border: 1px solid transparent;
  transition: all var(--transition-base);
}

.target-card:hover {
  background-color: var(--color-white);
  border-color: var(--color-green-200);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.target-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background-color: var(--color-primary-subtle);
  border-radius: var(--border-radius-lg);
  color: var(--color-primary);
  margin: 0 auto var(--space-5);
  transition: all var(--transition-base);
}

.target-card:hover .target-icon {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: scale(1.05);
}

.target-card h3 {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-3);
  font-weight: 700;
}

.target-card p {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

/* Highlight Box */
.target-highlight {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-5);
  background: linear-gradient(
    135deg,
    var(--color-green-50) 0%,
    var(--color-white) 100%
  );
  border: 1px solid var(--color-green-200);
  border-radius: var(--border-radius-2xl);
  padding: var(--space-8);
}

@media (min-width: 768px) {
  .target-highlight {
    flex-direction: row;
    align-items: flex-start;
    text-align: left;
    gap: var(--space-6);
  }
}

.highlight-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--border-radius-xl);
}

@media (min-width: 768px) {
  .highlight-icon {
    width: 72px;
    height: 72px;
  }
}

.highlight-content h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
}

.highlight-content p {
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ═══════════════════════════════════════
     ÜBER UNS (About)
     ═══════════════════════════════════════ */
.ueber-uns {
  background-color: var(--color-bg-alt);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
}

.about-content .section-tag {
  margin-bottom: var(--space-4);
}

.about-content h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
  .about-content h2 {
    font-size: var(--font-size-4xl);
  }
}

.about-content p {
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: var(--space-4);
}

.about-values {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.value-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 500;
  color: var(--color-text);
}

.value-item svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

/* About Visual */
.about-visual {
  position: relative;
}

.about-image-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--border-radius-2xl);
  overflow: hidden;
  border: 1px solid var(--color-green-200);
}

.about-image-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.placeholder-inner {
  text-align: center;
  color: var(--color-primary);
}

.placeholder-inner svg {
  margin: 0 auto var(--space-3);
  opacity: 0.5;
}

.placeholder-inner span {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.about-float-card {
  position: absolute;
  bottom: -20px;
  right: -10px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  padding: var(--space-4) var(--space-6);
  box-shadow: var(--shadow-xl);
  text-align: center;
}

@media (min-width: 768px) {
  .about-float-card {
    right: -30px;
    bottom: -30px;
  }
}

.float-number {
  display: block;
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--color-primary);
}

.float-label {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ═══════════════════════════════════════
     FAQ
     ═══════════════════════════════════════ */
.faq {
  background-color: var(--color-bg);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
}

.faq-item:hover {
  border-color: var(--color-green-200);
}

.faq-item.active {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-5) var(--space-6);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  gap: var(--space-4);
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-chevron {
  flex-shrink: 0;
  transition: transform var(--transition-base);
  color: var(--color-text-muted);
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition:
    max-height var(--transition-slow),
    padding var(--transition-slow);
}

.faq-answer p {
  padding: 0 var(--space-6) var(--space-6);
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ═══════════════════════════════════════
     KONTAKT (Contact)
     ═══════════════════════════════════════ */
.kontakt {
  background: linear-gradient(
    135deg,
    var(--color-gray-900) 0%,
    var(--color-gray-800) 50%,
    #1a3a2a 100%
  );
  color: var(--color-white);
}

.kontakt .section-tag {
  background-color: rgba(22, 163, 74, 0.2);
  color: var(--color-green-400);
}

.kontakt h2 {
  color: var(--color-white);
}

.kontakt-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (min-width: 768px) {
  .kontakt-wrapper {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

.kontakt-content h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
  .kontakt-content h2 {
    font-size: var(--font-size-4xl);
  }
}

.kontakt-content > p {
  color: var(--color-gray-300);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.kontakt-actions {
  margin-bottom: var(--space-8);
}

.kontakt-actions .btn-primary {
  background-color: var(--color-green-500);
  border-color: var(--color-green-500);
}

.kontakt-actions .btn-primary:hover {
  background-color: var(--color-green-400);
  border-color: var(--color-green-400);
}

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

.info-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
}

.info-item svg {
  color: var(--color-green-400);
  flex-shrink: 0;
}

/* Contact Visual */
.kontakt-visual {
  display: none;
}

@media (min-width: 768px) {
  .kontakt-visual {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

.kontakt-decoration {
  position: relative;
  width: 280px;
  height: 280px;
}

.deco-circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(34, 197, 94, 0.15);
}

.deco-circle-1 {
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  animation: pulse-ring 4s ease-in-out infinite;
}

.deco-circle-2 {
  width: 70%;
  height: 70%;
  top: 15%;
  left: 15%;
  border-color: rgba(34, 197, 94, 0.25);
  animation: pulse-ring 4s ease-in-out infinite 1s;
}

.deco-circle-3 {
  width: 40%;
  height: 40%;
  top: 30%;
  left: 30%;
  border-color: rgba(34, 197, 94, 0.35);
  animation: pulse-ring 4s ease-in-out infinite 2s;
}

.deco-bolt {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-green-400);
  opacity: 0.3;
}

@keyframes pulse-ring {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.6;
  }
}

/* ═══════════════════════════════════════
     FOOTER
     ═══════════════════════════════════════ */
.site-footer {
  background-color: var(--color-gray-950);
  color: var(--color-gray-400);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
  }
}

.footer-brand p {
  margin-top: var(--space-4);
  font-size: var(--font-size-sm);
  line-height: 1.7;
  color: var(--color-gray-500);
}

.footer-logo .logo-main {
  color: var(--color-white);
}

.footer-links h4,
.footer-contact h4 {
  color: var(--color-white);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-links a {
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--color-green-400);
}

.footer-contact p {
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-4);
}

.footer-contact .btn-outline {
  color: var(--color-gray-300);
  border-color: var(--color-gray-600);
}

.footer-contact .btn-outline:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-gray-800);
  text-align: center;
}

.footer-bottom p {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

/* ═══════════════════════════════════════
     ANIMATIONS
     ═══════════════════════════════════════ */

/* Hero animations */
.animate-fade-in {
  animation: fadeIn 0.8s ease forwards;
}

.animate-fade-in-up {
  animation: fadeInUp 0.8s ease forwards;
  opacity: 0;
}

.delay-1 {
  animation-delay: 0.15s;
}
.delay-2 {
  animation-delay: 0.3s;
}
.delay-3 {
  animation-delay: 0.45s;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

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

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

  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }
}

/* Print styles */
@media print {
  .site-header,
  .hero-scroll-indicator,
  .nav-toggle {
    display: none !important;
  }

  .hero {
    min-height: auto;
    padding: var(--space-8) 0;
  }

  .section {
    padding: var(--space-8) 0;
  }
}