/* =============================================
   GARTEN EIFEL - Design System
   Modern, Performance-Optimized CSS
   ============================================= */

/* ----- CSS Custom Properties ----- */
:root {
  /* Colors - Garden/Nature Theme */
  --color-primary: #2D5A27;
  --color-primary-light: #3D7A37;
  --color-primary-dark: #1E3D1A;
  --color-accent: #8B7355;
  --color-accent-light: #A89070;
  
  /* Neutrals */
  --color-bg: #F9F7F4;
  --color-bg-alt: #FFFFFF;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-muted: #888888;
  --color-border: #E0DCD7;
  
  /* Semantic */
  --color-success: #28A745;
  --color-cta: #25D366;
  --color-star: #FFB800;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, 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: 2rem;
  --font-size-4xl: 2.5rem;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Layout */
  --container-max: 1200px;
  --container-padding: 1rem;
  --header-height: 70px;
  --sticky-bar-height: 56px;
  
  /* Effects */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 50px;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  -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);
  min-height: 100vh;
  padding-bottom: var(--sticky-bar-height);
}

@media (min-width: 768px) {
  body {
    padding-bottom: 0;
  }
}

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

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

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

ul, ol {
  list-style: none;
}

/* ----- Typography ----- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text);
}

h1 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-lg);
}

h2 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-md);
}

h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
}

@media (min-width: 768px) {
  h1 {
    font-size: var(--font-size-4xl);
  }
  h2 {
    font-size: var(--font-size-3xl);
  }
}

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

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

.text-center {
  text-align: center;
}

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

.section {
  padding: var(--space-2xl) 0;
}

.section-alt {
  background-color: var(--color-bg-alt);
}

@media (min-width: 768px) {
  .section {
    padding: var(--space-3xl) 0;
  }
}

.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

/* ----- Header & Navigation ----- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg-alt);
  box-shadow: var(--shadow-sm);
  height: var(--header-height);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.logo img {
  height: 40px;
  width: auto;
}

.nav {
  display: none;
}

@media (min-width: 768px) {
  .nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
  }
}

.nav a {
  color: var(--color-text);
  font-weight: 500;
  padding: var(--space-sm) 0;
  position: relative;
}

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

.nav a:hover::after {
  width: 100%;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

/* Mobile menu */
.mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg-alt);
  padding: var(--space-xl);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  z-index: 99;
}

.mobile-nav.active {
  transform: translateX(0);
}

.mobile-nav a {
  display: block;
  padding: var(--space-md) 0;
  font-size: var(--font-size-lg);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-size: var(--font-size-base);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  min-height: 48px;
}

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

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

.btn-cta {
  background: var(--color-success);
  color: white;
}

.btn-cta:hover {
  background: #22963e;
  color: white;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

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

.btn-whatsapp {
  background: var(--color-cta);
  color: white;
}

.btn-whatsapp:hover {
  background: #1ebe5d;
  color: white;
}

/* ----- Hero Section ----- */
.hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: white;
  padding: var(--space-2xl) 0 var(--space-3xl);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="rgba(255,255,255,0.03)"/></svg>');
  background-size: 200px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  color: white;
  margin-bottom: var(--space-md);
}

.hero .subline {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  margin-bottom: var(--space-xl);
}

@media (min-width: 768px) {
  .hero {
    padding: var(--space-3xl) 0;
  }
  .hero .subline {
    font-size: var(--font-size-xl);
  }
}

/* Notice Box (Successor Message) */
.notice-box {
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-top: var(--space-xl);
}

.notice-box strong {
  display: block;
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-lg);
}

/* ----- Cards ----- */
.card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 24px;
}

.card h3 {
  margin-bottom: var(--space-sm);
}

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

/* Service Card specific */
.service-card {
  text-align: center;
  padding: var(--space-xl);
}

.service-card .card-icon {
  margin: 0 auto var(--space-md);
}

/* ----- Reviews Section ----- */
.review-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
}

.review-stars {
  color: var(--color-star);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
  letter-spacing: 2px;
}

.review-text {
  font-style: italic;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.review-author {
  font-weight: 600;
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

/* ----- Services List ----- */
.service-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.service-list-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-primary);
}

.service-list-item strong {
  display: block;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

/* ----- Contact Form ----- */
.form-group {
  margin-bottom: var(--space-lg);
}

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

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--space-md);
  font-size: var(--font-size-base);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  transition: border-color var(--transition);
  font-family: inherit;
}

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

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

/* ----- Footer ----- */
.footer {
  background: var(--color-primary-dark);
  color: white;
  padding: var(--space-2xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  gap: var(--space-xl);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer h4 {
  color: white;
  margin-bottom: var(--space-md);
  font-size: var(--font-size-lg);
}

.footer p,
.footer a {
  color: rgba(255,255,255,0.8);
}

.footer a:hover {
  color: white;
}

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

.footer-bottom {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.6);
}

.footer-bottom a {
  color: rgba(255,255,255,0.6);
  margin: 0 var(--space-sm);
}

/* ----- Mobile Sticky Bar ----- */
.sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--sticky-bar-height);
  background: var(--color-bg-alt);
  box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
  display: flex;
  z-index: 1000;
  padding: var(--space-sm);
  gap: var(--space-sm);
}

@media (min-width: 768px) {
  .sticky-bar {
    display: none;
  }
}

.sticky-bar a {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--font-size-base);
}

.sticky-bar .btn-call {
  background: var(--color-success);
  color: white;
}

.sticky-bar .btn-wa {
  background: var(--color-cta);
  color: white;
}

/* ----- Utilities ----- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }

.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }

/* ----- Page Header (for subpages) ----- */
.page-header {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: white;
  padding: var(--space-2xl) 0;
  text-align: center;
}

.page-header h1 {
  color: white;
  margin-bottom: var(--space-sm);
}

.page-header p {
  opacity: 0.9;
  margin-bottom: 0;
}

/* ----- Breadcrumb ----- */
.breadcrumb {
  padding: var(--space-md) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.breadcrumb a {
  color: var(--color-text-muted);
}

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

.breadcrumb span {
  margin: 0 var(--space-sm);
}

/* ----- Content Typography ----- */
.content h2 {
  margin-top: var(--space-xl);
}

.content ul {
  margin-left: var(--space-lg);
  margin-bottom: var(--space-md);
}

.content ul li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-sm);
}

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

/* ----- CTA Section ----- */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  text-align: center;
  padding: var(--space-2xl) 0;
}

.cta-section h2 {
  color: white;
}

.cta-section p {
  opacity: 0.9;
  margin-bottom: var(--space-xl);
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
}

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

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

/* ----- Animations ----- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeInUp 0.6s ease forwards;
}

/* Stagger animation delays */
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }