/* ===================================
   CSS Variables - Theme System
   =================================== */
:root {
  /* Primary Color Palette - Ruhiges Grün */
  --primary: hsl(155, 35%, 45%);
  --primary-light: hsl(155, 35%, 65%);
  --primary-dark: hsl(155, 35%, 30%);
  --primary-ultra-light: hsl(155, 30%, 92%);
  --accent: hsl(165, 40%, 55%);

  /* Neutral Colors */
  --bg-main: hsl(0, 0%, 98%);
  --bg-section: hsl(155, 20%, 96%);
  --bg-card: hsl(0, 0%, 100%);
  --text-primary: hsl(0, 0%, 15%);
  --text-secondary: hsl(0, 0%, 45%);
  --text-light: hsl(0, 0%, 100%);

  /* Borders & Shadows */
  --border-color: hsl(155, 20%, 85%);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);

  /* Spacing System */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  /* Typography */
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-serif: 'Playfair Display', Georgia, serif;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --line-height-base: 1.6;
  --line-height-tight: 1.2;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Layout */
  --max-width: 1200px;
  --header-height: 70px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ===================================
   Typography
   =================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: var(--line-height-tight);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--primary-dark);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--primary-dark);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--primary);
}

p {
  margin-bottom: var(--spacing-sm);
}

/* ===================================
   Header & Navigation
   =================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: var(--transition-normal);
}

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

.nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: #2d5a47;
}

.nav__list {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
}

.nav__link {
  position: relative;
  padding: var(--spacing-xs) 0;
  color: var(--text-primary);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition-normal);
}

.nav__link:hover,
.nav__link.active {
  color: var(--primary);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--spacing-xs);
}

.nav__toggle span {
  width: 25px;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
  transition: var(--transition-fast);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  background: linear-gradient(135deg, #f8faf9 0%, #ffffff 100%);
  position: relative;
  overflow: hidden;
}

/* Static Organic Wave-like Shapes - No Animations */
/* Top Right Blob - More Wave-like */
.hero::before {
  content: '';
  position: absolute;
  top: -25%;
  right: -18%;
  width: 480px;
  height: 540px;
  background: linear-gradient(135deg, #6b8a7d 0%, #7a9a8c 30%, #8ba99e 60%, #9db5aa 100%);
  border-radius: 73% 27% 68% 32% / 45% 71% 29% 55%;
  opacity: 0.75;
  z-index: 1;
  box-shadow:
    inset -5px -5px 20px rgba(0, 0, 0, 0.08),
    0 10px 30px rgba(107, 138, 125, 0.2);
}

/* Bottom Left Blob - More Wave-like */
.hero::after {
  content: '';
  position: absolute;
  bottom: -25%;
  left: -28%;
  width: 700px;
  height: 750px;
  background: linear-gradient(135deg, #5c7a6d 0%, #6b8a7d 35%, #7a9a8c 70%, #8ba99e 100%);
  border-radius: 38% 62% 59% 41% / 71% 38% 62% 29%;
  opacity: 0.7;
  z-index: 1;
  box-shadow:
    inset 5px 5px 20px rgba(0, 0, 0, 0.08),
    0 10px 30px rgba(92, 122, 109, 0.25);
}

/* Secondary blob for more depth - top right area, more wave-like */
.hero__blob-3 {
  position: absolute;
  top: 12%;
  right: 42%;
  width: 360px;
  height: 400px;
  background: linear-gradient(135deg, #8ba99e 0%, #9db5aa 50%, #a8c5ba 100%);
  border-radius: 61% 39% 72% 28% / 44% 69% 31% 56%;
  opacity: 0.55;
  z-index: 1;
  box-shadow:
    inset -3px -3px 15px rgba(0, 0, 0, 0.06),
    0 8px 25px rgba(139, 169, 158, 0.18);
}

/* NEW: Additional layered blob in bottom-left corner */
.hero__blob-4 {
  position: absolute;
  bottom: -15%;
  left: -15%;
  width: 420px;
  height: 470px;
  background: linear-gradient(135deg, #4d6b5f 0%, #5c7a6d 40%, #6b8a7d 100%);
  border-radius: 45% 55% 62% 38% / 65% 48% 52% 35%;
  opacity: 0.7;
  z-index: 2;
  box-shadow:
    inset 4px 4px 18px rgba(0, 0, 0, 0.07),
    0 8px 28px rgba(122, 154, 140, 0.18);
}


.hero__content {
  max-width: 700px;
  position: relative;
  z-index: 10;
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.hero__title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  color: #2d4a3e;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Atmospheric Photo - Integrated into bottom right */
.hero__image {
  position: absolute;
  bottom: 5%;
  right: 8%;
  z-index: 5;
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
}

.hero__image img {
  width: 100%;
  max-width: 320px;
  border-radius: 71% 29% 65% 35% / 58% 72% 28% 42%;
  box-shadow:
    0 20px 60px rgba(45, 74, 62, 0.2),
    0 10px 30px rgba(45, 74, 62, 0.15);
  object-fit: cover;
  aspect-ratio: 4/3;
}

/* Button Styling - matching mockup */
.btn {
  display: inline-block;
  padding: 14px 32px;
  background: linear-gradient(135deg, #7a9a8c 0%, #6b8a7d 100%);
  color: #ffffff;
  border-radius: 25px;
  font-weight: 500;
  font-size: 1rem;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 15px rgba(122, 154, 140, 0.3);
  border: none;
  letter-spacing: 0.02em;
}

.btn:hover {
  background: linear-gradient(135deg, #6b8a7d 0%, #5c7a6d 100%);
  box-shadow: 0 6px 20px rgba(122, 154, 140, 0.4);
  transform: translateY(-2px);
}

.btn:focus {
  outline: 3px solid var(--primary-light);
  outline-offset: 3px;
}


/* ===================================
   Section Base Styles
   =================================== */
.section {
  padding: var(--spacing-xl) var(--spacing-md);
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.section.visible {
  opacity: 1;
  transform: translateY(0);
}

.section:nth-child(even) {
  background: var(--bg-section);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section__title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

/* ===================================
   Services Section
   =================================== */
.services__intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.service-card {
  background: var(--bg-card);
  padding: var(--spacing-md);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  border: 1px solid var(--border-color);
}

.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
  border-color: var(--primary-light);
}

.service-card__icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.service-card__title {
  color: var(--primary);
  margin-bottom: var(--spacing-sm);
}

.service-card__description {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===================================
   About Section
   =================================== */
.about__content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-lg);
  align-items: start;
}

.about__image-wrapper {
  position: relative;
}

.about__image {
  width: 100%;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  aspect-ratio: 3/4;
  object-fit: cover;
}

.about__text h3 {
  color: var(--primary-dark);
  font-size: 1.75rem;
  margin-bottom: var(--spacing-sm);
}

.about__intro {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.about__qualifications {
  list-style: none;
  margin: var(--spacing-md) 0;
}

.about__qualifications li {
  padding: var(--spacing-xs) 0 var(--spacing-xs) var(--spacing-md);
  position: relative;
  color: var(--text-secondary);
  line-height: 1.8;
}

.about__qualifications li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

.about__approach {
  background: var(--primary-ultra-light);
  padding: var(--spacing-md);
  border-radius: 8px;
  border-left: 4px solid var(--primary);
  margin-top: var(--spacing-md);
  font-style: italic;
  color: var(--text-primary);
}

/* ===================================
   Contact Section
   =================================== */
.contact__intro {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
}

.contact__form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg-card);
  padding: var(--spacing-lg);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  font-family: inherit;
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.form-group--checkbox {
  display: flex;
  align-items: start;
  gap: var(--spacing-xs);
}

.form-group--checkbox input[type="checkbox"] {
  width: auto;
  margin-top: 4px;
}

.form-group--checkbox label {
  margin-bottom: 0;
  font-weight: 400;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.form__submit {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--primary);
  color: var(--text-light);
  border: none;
  border-radius: 8px;
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.form__submit:hover:not(:disabled) {
  background: var(--primary-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.form__submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form__message {
  padding: var(--spacing-sm);
  border-radius: 8px;
  margin-bottom: var(--spacing-md);
  display: none;
}

.form__message.success {
  background: hsl(155, 60%, 95%);
  color: hsl(155, 60%, 30%);
  border: 1px solid hsl(155, 60%, 80%);
  display: block;
}

.form__message.error {
  background: hsl(0, 60%, 95%);
  color: hsl(0, 60%, 30%);
  border: 1px solid hsl(0, 60%, 80%);
  display: block;
}

/* Honeypot field (hidden) */
.form-group--honeypot {
  position: absolute;
  left: -9999px;
}

/* ===================================
   Legal Sections (Impressum & Datenschutz)
   =================================== */
.section--legal {
  background: var(--bg-section);
  padding: var(--spacing-lg) 0;
}

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

.legal__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--spacing-md);
  background: var(--bg-card);
  border-radius: 12px;
  cursor: pointer;
  list-style: none;
  transition: box-shadow var(--transition-normal), background var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

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

.legal__toggle:hover {
  box-shadow: var(--shadow-md);
  background: var(--primary-ultra-light);
}

.section__title--inline {
  margin: 0;
  font-size: 1.5rem;
}

.legal__icon {
  width: 24px;
  height: 24px;
  position: relative;
  flex-shrink: 0;
}

.legal__icon::before,
.legal__icon::after {
  content: '';
  position: absolute;
  background: var(--primary);
  transition: transform var(--transition-normal);
}

.legal__icon::before {
  width: 2px;
  height: 16px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.legal__icon::after {
  width: 16px;
  height: 2px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

/* When open, rotate the + into a - */
.legal__accordion[open] .legal__icon::before {
  transform: translate(-50%, -50%) rotate(90deg);
}

.legal__accordion[open] .legal__toggle {
  border-radius: 12px 12px 0 0;
}

.legal__content {
  background: var(--bg-card);
  padding: var(--spacing-lg);
  border-radius: 0 0 12px 12px;
  box-shadow: var(--shadow-sm);
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.legal__content h3 {
  color: var(--primary-dark);
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--border-color);
}

.legal__content h3:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.legal__content h4 {
  color: var(--primary);
  font-size: 1rem;
  font-weight: 600;
  margin-top: var(--spacing-sm);
  margin-bottom: 0.5rem;
}

.legal__content p {
  color: var(--text-secondary);
  line-height: var(--line-height-base);
  margin-bottom: var(--spacing-sm);
  font-size: 0.95rem;
}

.legal__content ul {
  margin: var(--spacing-sm) 0;
  padding-left: var(--spacing-md);
}

.legal__content li {
  color: var(--text-secondary);
  line-height: var(--line-height-base);
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

@media (max-width: 768px) {
  .legal__toggle {
    padding: var(--spacing-sm);
  }

  .section__title--inline {
    font-size: 1.25rem;
  }

  .legal__content {
    padding: var(--spacing-md);
  }

  .legal__content h3 {
    font-size: 1.1rem;
  }
}

/* ===================================
   Footer
   =================================== */
.footer {
  background: var(--primary-dark);
  color: var(--text-light);
  padding: var(--spacing-lg) var(--spacing-md);
  text-align: center;
}

.footer__content {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer__links {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.footer__link {
  color: var(--text-light);
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.footer__link:hover {
  opacity: 1;
  text-decoration: underline;
}

.footer__copyright {
  opacity: 0.8;
  font-size: 0.9rem;
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Large screens - Significantly larger blobs for fullscreen */
@media (min-width: 1200px) {
  .hero::before {
    width: 750px;
    height: 820px;
  }

  .hero::after {
    width: 1000px;
    height: 1080px;
  }

  .hero__blob-3 {
    width: 560px;
    height: 620px;
  }

  .hero__blob-4 {
    width: 620px;
    height: 690px;
  }
}

@media (max-width: 1024px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 3rem;
    --header-height: 60px;
  }

  .nav__list {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-md);
    transform: translateY(-100%);
    opacity: 0;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
    pointer-events: none;
  }

  .nav__list.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__toggle.open span:nth-child(1) {
    transform: rotate(45deg) translateY(8px);
  }

  .nav__toggle.open span:nth-child(2) {
    opacity: 0;
  }

  .nav__toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translateY(-8px);
  }

  /* Hero responsive */
  .hero {
    padding-top: calc(var(--header-height) + var(--spacing-lg));
  }

  .hero__content {
    margin-bottom: var(--spacing-xl);
  }

  .hero__image {
    position: relative;
    bottom: auto;
    right: auto;
    justify-content: center;
    margin-top: var(--spacing-lg);
  }

  .hero__image img {
    max-width: 90%;
  }

  /* Adjust blob positions for mobile */
  .hero::before {
    width: 350px;
    height: 400px;
    top: auto;
    bottom: -10%;
    right: auto;
    left: -15%;
  }

  .hero::after {
    width: 300px;
    height: 350px;
  }

  .hero__blob-3 {
    width: 250px;
    height: 300px;
  }

  .about__content {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .about__image-wrapper {
    max-width: 400px;
    margin: 0 auto;
  }

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

@media (max-width: 480px) {
  :root {
    --spacing-sm: 0.875rem;
    --spacing-md: 1.25rem;
    --spacing-lg: 2rem;
    --spacing-xl: 2.5rem;
  }

  .contact__form {
    padding: var(--spacing-md);
  }
}

/* ===================================
   Accessibility
   =================================== */
/* Focus visible for keyboard navigation */
*:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 3px;
}

/* Reduced motion for users who prefer it */
@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;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --primary: hsl(155, 50%, 35%);
    --text-primary: hsl(0, 0%, 0%);
  }
}