/* =============================================
   Michael Munz - Innovationsberatung
   Landing Page Styles
   ============================================= */

/* --- Self-hosted Inter Font (DSGVO-konform) --- */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('./fonts/Inter-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('./fonts/Inter-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('./fonts/Inter-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('./fonts/Inter-700.woff2') format('woff2');
}

/* --- Custom Properties --- */
:root {
  --color-bg: #fafafa;
  --color-bg-alt: #f5f5f5;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #6b7280;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-accent-dark: #1e3a5f;
  --color-border: #e5e7eb;
  --color-border-light: #f0f0f0;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --font-size-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --font-size-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --font-size-lg: clamp(1.125rem, 1rem + 0.6vw, 1.25rem);
  --font-size-xl: clamp(1.25rem, 1rem + 1vw, 1.5rem);
  --font-size-2xl: clamp(1.5rem, 1.2rem + 1.5vw, 2rem);
  --font-size-3xl: clamp(2rem, 1.5rem + 2.5vw, 3rem);
  --font-size-4xl: clamp(2.5rem, 1.8rem + 3.5vw, 3.75rem);

  --container-max: 1120px;
  --container-padding: 1.5rem;
  --section-padding: clamp(4rem, 3rem + 5vw, 8rem);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.1);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* --- Skip Link (Accessibility) --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 200;
  padding: 0.75rem 1.5rem;
  background: var(--color-accent);
  color: #fff;
  font-weight: 600;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
  transition: top 0.2s;
}
.skip-link:focus {
  top: 1rem;
}

/* --- Focus Visible (Accessibility) --- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.btn:focus-visible {
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3);
}
.contact__input:focus-visible,
.contact__textarea:focus-visible {
  outline-color: #fff;
}

/* --- Container --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-family);
  font-weight: 600;
  font-size: var(--font-size-sm);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  padding: 0.75rem 1.5rem;
  gap: 0.5rem;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
}
.btn--primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}
.btn--secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.contact .btn--secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}
.contact .btn--secondary:hover {
  border-color: #fff;
  color: #fff;
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: var(--font-size-base);
}

/* --- Section Titles --- */
.section__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: 3rem;
  text-align: center;
  letter-spacing: -0.02em;
}

/* --- Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--transition), transform 0.7s var(--transition);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delays for child reveals */
.reveal-stagger .reveal:nth-child(1) { transition-delay: 0s; }
.reveal-stagger .reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger .reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal-stagger .reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal-stagger .reveal:nth-child(5) { transition-delay: 0.4s; }

/* =============================================
   HEADER
   ============================================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 250, 250, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.header.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.header__logo {
  font-size: var(--font-size-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.header__nav {
  display: flex;
  gap: 2rem;
}

.header__link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
  position: relative;
}
.header__link:hover {
  color: var(--color-text);
}
.header__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}
.header__link:hover::after {
  width: 100%;
}

.header__cta {
  padding: 0.5rem 1.25rem;
  font-size: var(--font-size-xs);
}

.header__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.header__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition);
  border-radius: 2px;
}
.header__burger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.header__burger.active span:nth-child(2) {
  opacity: 0;
}
.header__burger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Mobile Menu --- */
.mobile-menu {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.mobile-menu__link {
  font-size: var(--font-size-xl);
  font-weight: 600;
}

.mobile-menu__cta {
  margin-top: 1rem;
}

/* =============================================
   HERO
   ============================================= */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 72px;
  position: relative;
  overflow: hidden;
}

/* Gradient blob background */
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.12) 0%, rgba(37, 99, 235, 0.04) 40%, transparent 70%);
  border-radius: 50%;
  filter: blur(60px);
  animation: blobFloat 8s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(30, 58, 95, 0.1) 0%, rgba(30, 58, 95, 0.03) 40%, transparent 70%);
  border-radius: 50%;
  filter: blur(50px);
  animation: blobFloat 10s ease-in-out infinite reverse;
  pointer-events: none;
  z-index: 0;
}

@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

.hero__inner {
  max-width: 800px;
  position: relative;
  z-index: 1;
}

.hero__label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}

.hero__title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text) 50%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 560px;
  margin-bottom: 2.5rem;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
}

.hero__scroll-line {
  display: block;
  width: 1px;
  height: 48px;
  background: var(--color-border);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: '';
  position: absolute;
  top: -48px;
  left: 0;
  width: 1px;
  height: 48px;
  background: var(--color-accent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { top: -48px; }
  100% { top: 48px; }
}

/* =============================================
   PROOF POINTS
   ============================================= */
.proof {
  padding: var(--section-padding) 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.proof__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.proof__number {
  display: block;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -0.02em;
}

.proof__label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* =============================================
   SERVICES
   ============================================= */
.services {
  padding: var(--section-padding) 0;
  background: var(--color-bg);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: all var(--transition);
}
.card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.15), var(--shadow-md);
  transform: translateY(-4px);
}

.card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  color: var(--color-accent);
}
.card__icon svg {
  width: 22px;
  height: 22px;
}

.card__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

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

/* =============================================
   DIFFERENZIERUNG
   ============================================= */
.diff {
  padding: var(--section-padding) 0;
  background: var(--color-surface);
}

.diff__quote {
  font-size: var(--font-size-xl);
  font-weight: 500;
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
  color: var(--color-text);
  line-height: 1.5;
  font-style: italic;
}

.diff__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.diff__card {
  padding: 2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center;
}

.diff__vs {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 1rem;
  padding: 0.25rem 0.75rem;
  background: rgba(37, 99, 235, 0.08);
  border-radius: 4px;
  min-width: 200px;
  text-align: center;
}

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

/* =============================================
   PROCESS
   ============================================= */
.process {
  padding: var(--section-padding) 0;
  background: var(--color-surface);
}

.process__grid {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
}

.process__step {
  flex: 1;
  text-align: center;
  padding: 0 1rem;
}

.process__number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-size: var(--font-size-lg);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

.process__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

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

.process__connector {
  width: 40px;
  height: 2px;
  background: var(--color-border);
  flex-shrink: 0;
  margin-top: 23px;
}

@media (max-width: 768px) {
  .process__grid {
    flex-direction: column;
    align-items: center;
    gap: 0;
  }
  .process__step {
    padding: 0;
    max-width: 280px;
  }
  .process__connector {
    width: 2px;
    height: 24px;
    margin: 0.5rem 0;
  }
}

/* =============================================
   ANGEL INVESTING
   ============================================= */
.investing {
  padding: var(--section-padding) 0;
  background: var(--color-bg);
}

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

.investing__lead {
  font-size: var(--font-size-xl);
  font-weight: 500;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.investing__text p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.investing__details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2rem;
}

.investing__subtitle {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: 1rem;
}

.investing__list li {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  padding: 0.4rem 0;
}

.investing__list li svg {
  flex-shrink: 0;
  color: var(--color-accent);
}

.investing__cta {
  margin-top: 2.5rem;
  text-align: center;
}

@media (max-width: 768px) {
  .investing__details {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* =============================================
   EXPERIENCE / TIMELINE
   ============================================= */
.experience {
  padding: var(--section-padding) 0;
  background: var(--color-bg);
}

.timeline {
  position: relative;
  max-width: 680px;
  margin: 0 auto;
  padding-left: 2rem;
}
.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 7px;
  width: 2px;
  height: 100%;
  background: var(--color-border);
}

.timeline__item {
  position: relative;
  padding-bottom: 2.5rem;
}
.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__marker {
  position: absolute;
  left: -2rem;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-accent);
  z-index: 1;
}

.timeline__date {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.timeline__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-top: 0.25rem;
  letter-spacing: -0.01em;
}

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

.timeline__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: 0.5rem;
  line-height: 1.6;
}

/* =============================================
   TECH-STACK
   ============================================= */
.stack {
  padding: var(--section-padding) 0;
  background: var(--color-surface);
}

.stack__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.stack__item {
  padding: 0.5rem 1.25rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: all var(--transition);
}
.stack__item:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(37, 99, 235, 0.04);
}

/* =============================================
   RESEARCH & OPEN SOURCE
   ============================================= */
.research {
  padding: var(--section-padding) 0;
  background: var(--color-surface);
}

.research__intro {
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
  max-width: 600px;
  margin: -1.5rem auto 3rem;
}

.research__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

/* Hide grid on mobile when carousel is used */

.research__card {
  display: block;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: all var(--transition);
  text-decoration: none;
  color: inherit;
}
.research__card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.15), var(--shadow-md);
  transform: translateY(-4px);
}

.research__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  color: var(--color-text);
}
.research__icon svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  max-width: 24px;
  max-height: 24px;
}
.research__card:hover .research__icon {
  color: var(--color-accent);
}

.research__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.research__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.research__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.research__tag {
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-accent);
  background: rgba(37, 99, 235, 0.08);
  padding: 0.2rem 0.625rem;
  border-radius: 4px;
}

/* --- Research Carousel --- */
.research__carousel {
  max-width: 600px;
  margin: 0 auto;
  width: 100%;
}

.research__slides {
  position: relative;
}

.research__slide {
  display: none;
}

.research__slide--active {
  display: block;
}

.research__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.research__arrow {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: all var(--transition);
}

.research__arrow:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.research__dots {
  display: flex;
  gap: 0.5rem;
}

.research__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: var(--color-border);
  cursor: pointer;
  transition: all var(--transition);
  padding: 0;
}

.research__dot--active {
  background: var(--color-accent);
  transform: scale(1.2);
}

.research__dot:hover {
  background: var(--color-accent);
}

.research__cta {
  text-align: center;
  margin-top: 2.5rem;
}

.research__cta .btn svg {
  flex-shrink: 0;
}

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

/* =============================================
   ABOUT
   ============================================= */
.about {
  padding: var(--section-padding) 0;
  background: var(--color-bg);
}

.about__inner {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about__lead {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.about__text p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.about__meta {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-top: 1.5rem;
}

.about__location {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.about__linkedin {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  font-weight: 500;
  transition: opacity var(--transition);
}
.about__linkedin:hover {
  opacity: 0.8;
}

.about__subtitle {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: 1rem;
}

.about__list li {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--color-border-light);
}
.about__list li:last-child {
  border-bottom: none;
}

/* =============================================
   CONTACT
   ============================================= */
.contact {
  padding: var(--section-padding) 0;
  background: var(--color-accent-dark);
  color: #fff;
}

.contact__inner {
  max-width: 600px;
  margin: 0 auto;
}

.contact__title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
  text-align: center;
}

.contact__text {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 2.5rem;
  text-align: center;
}

/* --- Formular --- */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact__honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

.contact__fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.contact__label {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0.5rem;
}

.contact__input,
.contact__textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition), background var(--transition);
}

.contact__input::placeholder,
.contact__textarea::placeholder {
  color: rgba(255, 255, 255, 0.35);
}

.contact__input:focus,
.contact__textarea:focus {
  border-color: var(--color-accent);
  background: rgba(255, 255, 255, 0.15);
}

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

.contact__submit {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

.contact__btn {
  flex: 1;
}

.contact__submit .btn--secondary {
  flex: 1;
}

/* --- Erfolgsmeldung --- */
.contact__success {
  text-align: center;
  padding: 2rem 0;
}

.contact__success-text {
  font-size: var(--font-size-lg);
  color: var(--color-accent);
  font-weight: 500;
}

/* --- Fehlermeldung --- */
.contact__error {
  text-align: center;
  padding: 1.5rem;
  margin-top: 1rem;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-sm);
}

.contact__error-text {
  font-size: var(--font-size-sm);
  color: #fca5a5;
  font-weight: 500;
}

@media (max-width: 768px) {
  .contact__fields {
    grid-template-columns: 1fr;
  }
  .contact__submit {
    flex-direction: column;
  }
}

/* =============================================
   FAQ
   ============================================= */
.faq {
  padding: var(--section-padding) 0;
  background: var(--color-surface);
}

.faq__list {
  max-width: 720px;
  margin: 0 auto;
}

.faq__item {
  border-bottom: 1px solid var(--color-border);
}

.faq__item:last-child {
  border-bottom: none;
}

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
  font-size: var(--font-size-lg);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  transition: color var(--transition);
}

.faq__question::-webkit-details-marker {
  display: none;
}

.faq__question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-accent);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq__item[open] .faq__question::after {
  content: '\2212';
  transform: rotate(180deg);
}

.faq__question:hover {
  color: var(--color-accent);
}

.faq__answer {
  padding: 0 0 1.5rem;
}

.faq__answer p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* =============================================
   LEGAL PAGES (Impressum, Datenschutz)
   ============================================= */
.header--static {
  position: relative;
  border-bottom: 1px solid var(--color-border);
}

.legal {
  padding: clamp(3rem, 2rem + 5vw, 6rem) 0;
}

.legal__title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: 2rem;
  letter-spacing: -0.02em;
}

.legal h2 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}

.legal h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.legal p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  max-width: 720px;
}

.legal ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
  max-width: 720px;
}

.legal ul li {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  padding: 0.25rem 0;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__copy {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.footer__links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.footer__link {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.footer__link:hover {
  color: var(--color-text);
}

.footer__social {
  color: var(--color-text-muted);
  transition: color var(--transition);
  display: flex;
}
.footer__social:hover {
  color: var(--color-accent);
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about__inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .header__nav,
  .header__cta {
    display: none;
  }
  .header__burger {
    display: flex;
  }

  .hero__title {
    font-size: var(--font-size-3xl);
  }

  .proof__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .services__grid {
    grid-template-columns: 1fr;
  }

  .diff__grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .hero__actions {
    flex-direction: column;
  }
  .hero__actions .btn {
    width: 100%;
  }

  .contact__actions {
    flex-direction: column;
    align-items: center;
  }
  .contact__actions .btn {
    width: 100%;
    max-width: 320px;
  }

  .footer__inner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .about__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .timeline {
    padding-left: 1.5rem;
  }
}

@media (max-width: 480px) {
  .proof__grid {
    grid-template-columns: 1fr 1fr;
  }
}