/* Global CSS für Smayris Netz-Manufaktur */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

/* Variablen */
:root {
  --primary: #0A0E1A; /* Tiefes Schwarz */
  --secondary: #00A3CC; /* Gedämpftes Cyan */
  --neutral: #F5F6F5; /* Weiches Weiß */
  --accent: #D81B60; /* Gedämpftes Pink */
  --violet: #6B46C1; /* Elegantes Violett */
  --gray: #6B7280; /* Neutrales Grau */
  --shadow: rgba(0, 0, 0, 0.3);
  --gradient: linear-gradient(45deg, #00A3CC, #D81B60, #6B46C1);
  --text-primary: #F5F6F5; /* Text für Dark Mode */
  --text-secondary: #1F2937; /* Text für Light Mode */
  --nav-bg-dark: rgba(10, 14, 26, 0.9); /* Nav-Hintergrund Dark */
  --nav-bg-light: rgba(249, 250, 251, 0.9); /* Nav-Hintergrund Light */
  --footer-bg-dark: #111827; /* Footer-Hintergrund Dark */
  --footer-bg-light: #F3F4F6; /* Footer-Hintergrund Light */
  --bg-dark: #0A0E1A;
  --bg-light: #F9FAFB;
  --card-dark: #1F2937;
  --card-light: #FFFFFF;
  --input-dark: #374151;
  --input-light: #F3F4F6;
  --border-dark: #4B5563;
  --border-light: #D1D5DB;
  --font-heading: "Montserrat", sans-serif;
  --font-body: "Inter", sans-serif;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --container-width: 1280px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --modal-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

/* Dunkel-Modus */
[data-theme="dark"] {
  --bg: var(--bg-dark);
  --text: var(--text-primary);
  --section-bg: #111827;
  --card-bg: var(--card-dark);
  --card-shadow: 0 8px 24px var(--shadow);
  --input-bg: var(--input-dark);
  --border: var(--border-dark);
  --logo-filter: brightness(0) invert(1); /* Weißes Logo */
  --nav-bg: var(--nav-bg-dark);
  --footer-bg: var(--footer-bg-dark);
}

/* Hell-Modus */
[data-theme="light"] {
  --bg: var(--bg-light);
  --text: var(--text-secondary);
  --section-bg: #F3F4F6;
  --card-bg: var(--card-light);
  --card-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  --input-bg: var(--input-light);
  --border: var(--border-light);
  --logo-filter: brightness(0); /* Schwarzes Logo */
  --nav-bg: var(--nav-bg-light);
  --footer-bg: var(--footer-bg-light);
}

/* Basis */
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

/* Container */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
  text-align: center;
}

/* Typografie */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--text);
  line-height: 1.2;
  transition: color var(--transition);
}

h1 { font-size: 3.2rem; margin-bottom: var(--spacing-md); }
h2 { font-size: 2.4rem; margin-bottom: var(--spacing-md); }
h3 { font-size: 1.6rem; margin-bottom: var(--spacing-sm); }
p.lead { font-size: 1.2rem; color: var(--text); opacity: 0.9; margin-bottom: var(--spacing-md); }

/* Section */
.section {
  padding: var(--spacing-lg) 0;
  background: var(--section-bg);
  position: relative;
  transition: background var(--transition);
}

/* Grid */
.grid {
  display: grid;
  gap: var(--spacing-md);
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  justify-content: center;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  background: var(--nav-bg);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: var(--spacing-sm) 0;
  box-shadow: var(--card-shadow);
  transition: background var(--transition), opacity var(--transition);
}

.header.scrolled {
  opacity: 0.95;
}

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

.nav-logo img {
  max-width: 150px;
  filter: var(--logo-filter);
  transition: filter var(--transition), transform var(--transition);
}

.nav-logo:hover img {
  transform: scale(1.1);
}

.nav-main {
  display: flex;
}

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

.nav-link {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: color var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--secondary);
  transition: width var(--transition) ease-in-out;
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link:hover {
  color: var(--secondary);
}

.nav-link:focus {
  outline: none;
  color: var(--secondary);
}

/* Theme Toggle */
.theme-toggle {
  background: var(--input-bg);
  border: 1px solid var(--border);
  cursor: pointer;
  padding: 0;
  width: 50px;
  height: 26px;
  border-radius: 13px;
  position: relative;
  transition: background var(--transition), border-color var(--transition);
}

.theme-slider {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 100%;
  padding: 0 4px;
  position: relative;
  transition: transform var(--transition);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  transition: opacity var(--transition);
}

.theme-toggle .sun { opacity: 0; }
.theme-toggle .moon { opacity: 1; }

[data-theme="dark"] .theme-toggle .moon { opacity: 1; }
[data-theme="dark"] .theme-toggle .sun { opacity: 0; }
[data-theme="light"] .theme-toggle .moon { opacity: 0; }
[data-theme="light"] .theme-toggle .sun { opacity: 1; }

.theme-toggle::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 22px;
  height: 22px;
  background: var(--secondary);
  border-radius: 50%;
  transition: transform var(--transition);
}

[data-theme="light"] .theme-toggle::before {
  transform: translateX(24px);
}

.theme-toggle:hover::before {
  transform: translateX(var(--theme-transform, 0)) scale(1.1);
}

/* Mobile Navigation */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-nav-toggle svg {
  width: 28px;
  height: 28px;
  fill: var(--text);
}

/* Card */
.card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: var(--spacing-md);
  box-shadow: var(--card-shadow);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

/* Footer */
.footer {
  background: var(--footer-bg);
  padding: var(--spacing-lg) 0;
  color: var(--text);
  transition: background var(--transition);
}

.footer-main {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}

.footer-logo-container {
  flex: 1;
  min-width: 200px;
}

.footer-logo {
  max-width: 180px;
  margin-bottom: var(--spacing-md);
  filter: var(--logo-filter);
  transition: filter var(--transition), transform var(--transition);
}

.footer-logo:hover {
  transform: scale(1.05);
}

.footer-claim {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--text);
  margin-bottom: var(--spacing-md);
  display: inline-block;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-md);
  flex: 2;
}

.footer-column ul {
  list-style: none;
}

.footer-column a {
  color: var(--text);
  text-decoration: none;
  transition: color var(--transition), transform var(--transition);
}

.footer-column a:hover {
  color: var(--secondary);
  transform: translateX(5px);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: var(--text);
  transition: color var(--transition), transform var(--transition);
}

.social-link svg {
  width: 20px;
  height: 20px;
}

.social-link:hover {
  color: var(--secondary);
  transform: scale(1.2);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: var(--spacing-sm);
  text-align: center;
}

.footer-links {
  font-size: 0.875rem;
}

.footer-links a {
  color: var(--text);
  text-decoration: none;
  margin: 0 0.5rem;
  transition: color var(--transition);
}

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

/* Responsive */
@media (max-width: 768px) {
  .mobile-nav-toggle {
    display: block;
  }
  .nav-main {
    display: none;
    position: absolute;
    top: 100%;
    left: 0zh;
    width: 100%;
    background: var(--nav-bg);
    padding: var(--spacing-md);
    backdrop-filter: blur(10px);
  }
  .nav-main.active {
    display: block;
  }
  .nav-links {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
  }
  .nav-link::after {
    bottom: -4px;
  }
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  .footer-main {
    flex-direction: column;
    text-align: center;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}