/* ========================================
   Profil Autovermietung Süd – Global Styles
   ======================================== */

/* ---- CSS Variables ---- */
:root {
  /* Brand Colors */
  --color-brand-dark: #52613e;
  --color-brand-mid: #446b44;
  --color-brand-light: #d7e1cc;

  /* Neutral Colors */
  --color-off-white: #f5f5f0;
  --color-pure-white: #ffffff;
  --color-text-primary: #1a1a1a;
  --color-text-secondary: #4a4a4a;
  --color-text-muted: #737373;
  --color-border: #e0e0d8;
  --color-error: #c0392b;
  --color-success: #237a4c;

  /* Spacing (8-point grid) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-lg: 0 4px 12px rgba(110,131,84,0.25);
  --shadow-card-hover: 0 8px 24px rgba(0,0,0,0.08);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s 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: 16px;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-off-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-brand-dark);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  text-decoration: underline;
}

:focus-visible {
  outline: 3px solid var(--color-brand-dark);
  outline-offset: 3px;
}

ul, ol {
  list-style: none;
}

/* ---- Typography ---- */
h1 {
  font-size: clamp(2rem, 5vw + 1rem, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}

h2 {
  font-size: clamp(1.625rem, 3vw + 0.5rem, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
}

h3 {
  font-size: clamp(1.25rem, 1.5vw + 0.5rem, 1.5rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text-primary);
}

h4 {
  font-size: clamp(1.125rem, 1vw + 0.5rem, 1.25rem);
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text-primary);
}

p {
  font-size: clamp(1rem, 0.5vw + 0.875rem, 1.125rem);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.caption {
  font-size: clamp(0.75rem, 0.3vw + 0.625rem, 0.875rem);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-brand-dark);
}

.body-small {
  font-size: clamp(0.875rem, 0.3vw + 0.75rem, 1rem);
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-5);
  padding-right: var(--space-5);
}

@media (min-width: 640px) {
  .container {
    padding-left: var(--space-7);
    padding-right: var(--space-7);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
  }
}

/* ---- Utility Classes ---- */
.text-center { text-align: center; }

.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-7 { margin-top: var(--space-7); }
.mt-8 { margin-top: var(--space-8); }
.mt-9 { margin-top: var(--space-9); }
.mt-10 { margin-top: var(--space-10); }

.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-7 { margin-bottom: var(--space-7); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-9 { margin-bottom: var(--space-9); }
.mb-10 { margin-bottom: var(--space-10); }

/* ---- Animations ---- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.animate-fade-in-up {
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
}

.animate-bounce {
  animation: bounce 2s infinite;
}

/* Stagger delays */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* IntersectionObserver revealed state. Content remains visible if JavaScript fails. */
.reveal,
.reveal-card {
  opacity: 1;
  transform: none;
}

.js .reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.js .reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Card stagger */
.js .reveal-card {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.js .reveal-card.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .js .reveal,
  .js .reveal-card,
  .reveal,
  .reveal-card {
    opacity: 1;
    transform: none;
  }
}