/*
 * TOURMIO CRITICAL CSS
 * Inline in <head> für schnelles Above-the-Fold Rendering
 * Enthält: Design System, Reset, Header, Hero
 */

/* ============================================
   DESIGN SYSTEM - CSS CUSTOM PROPERTIES
   ============================================ */
:root {
  /* Farben */
  --color-primary: #2e4d34;      /* Deep Forest Green - Tourmio Hauptfarbe */
  --color-accent: #d2b48c;       /* Sand/Beige - Skandinavien, Strand */
  --color-text: #333333;
  --color-text-light: #666666;
  --color-bg: #f8f9fa;
  --color-white: #ffffff;

  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 32px;
  --spacing-lg: 64px;
  --spacing-xl: 120px;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-h1: clamp(32px, 5vw, 56px);
  --font-size-h2: clamp(24px, 4vw, 40px);
  --font-size-h3: clamp(20px, 3vw, 28px);
  --font-size-body: 16px;
  --font-size-small: 14px;
  --line-height: 1.6;
  --line-height-heading: 1.2;

  /* Breakpoints */
  --mobile: 320px;
  --tablet: 768px;
  --desktop: 1024px;
  --wide: 1440px;

  /* Effects */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.16);
  --transition: all 0.3s ease;
  --radius: 8px;
  --radius-lg: 16px;
}

/* ============================================
   MODERN CSS 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-body);
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-white);
  overflow-x: hidden;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

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

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

ul, ol {
  list-style: none;
}

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

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }

p {
  line-height: var(--line-height);
  color: var(--color-text);
}

/* ============================================
   HEADER (STICKY)
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent; /* Transparent am Anfang */
  transition: all 0.3s ease;
  padding: var(--spacing-sm) 0;
}

.header.scrolled {
  background: rgba(46, 77, 52, 0.95); /* Leicht translucent grün beim Scrollen */
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px); /* Moderner Blur-Effekt */
}

.header-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 80px;
  width: auto;
  transition: all 0.3s ease;
  drop-shadow: 0 1px 4px rgba(0,0,0,0.4);
  /* Logo mit weißem Kreis - gut sichtbar auf Hero & grünem Header */
}

/* Mobile: Logo etwas kleiner */
@media (max-width: 768px) {
  .logo-img {
    height: 70px;
  }
}

/* Desktop Navigation */
.nav-desktop {
  display: none;
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
  }

  .nav-desktop a {
    color: var(--color-white);
    font-weight: 500;
    transition: var(--transition);
    text-shadow: 0 1px 4px rgba(0,0,0,0.6);
  }

  .header.scrolled .nav-desktop a {
    text-shadow: none;
  }

  .nav-desktop a:hover {
    color: var(--color-accent);
  }

  .nav-desktop .button-primary {
    background: var(--color-accent);
    color: var(--color-primary);
  }

  .nav-desktop .button-primary:hover {
    background: var(--color-white);
    transform: translateY(-2px);
  }
}

/* Burger Menu */
.burger-menu {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  z-index: 1001;
}

@media (min-width: 1024px) {
  .burger-menu {
    display: none;
  }
}

.burger-menu span {
  display: block;
  width: 100%;
  height: 3px;
  background: var(--color-white);
  transition: var(--transition);
  border-radius: 2px;
}

.header.scrolled .burger-menu span {
  background: var(--color-white); /* Bleibt weiß auf grünem Header */
}

.burger-menu.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.burger-menu.active span:nth-child(2) {
  opacity: 0;
}

.burger-menu.active span:nth-child(3) {
  transform: rotate(-45deg) translate(8px, -8px);
}

/* Mobile Menu Overlay */
.nav-mobile {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-primary);
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-lg);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.nav-mobile.active {
  opacity: 1;
  visibility: visible;
}

.nav-mobile a {
  color: var(--color-white);
  font-size: 24px;
  font-weight: 600;
  transition: var(--transition);
}

.nav-mobile a:hover {
  color: var(--color-accent);
  transform: translateX(10px);
}

/* ============================================
   BUTTONS
   ============================================ */
.button {
  display: inline-block;
  padding: 16px 32px;
  border-radius: var(--radius);
  font-weight: 600;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}

.button-primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 12px rgba(46, 77, 52, 0.2);
}

.button-primary:hover {
  background: #254a2d; /* 10% darker */
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(46, 77, 52, 0.3);
}

.button-primary:active {
  transform: translateY(0);
}

/* Mobile: Full-width buttons */
@media (max-width: 768px) {
  .button-primary {
    width: 100%;
  }
}

/* ============================================
   SCROLL-TO-TOP BUTTON
   ============================================ */
.scroll-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-to-top:hover {
  background: #254a2d;
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(46, 77, 52, 0.4);
}

.scroll-to-top:active {
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .scroll-to-top {
    bottom: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
  }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

@media (max-width: 768px) {
  .hero {
    min-height: 80vh;
  }
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
}

.hero-background::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.4) 100%);
}

.hero-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: 0 var(--spacing-md);
  color: var(--color-white);
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: var(--font-size-h2);
}

.hero .hero-subtitle {
  color: var(--color-white);
  font-weight: 400;
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-tagline {
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
  .hero-tagline {
    font-size: 16px;
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.section {
  padding: 48px var(--spacing-sm);
}

@media (min-width: 768px) {
  .section {
    padding: 80px var(--spacing-md);
  }
}

@media (min-width: 1024px) {
  .section {
    padding: 120px var(--spacing-lg);
  }
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}
