/* ======================================================
   Lobemich – Modernes Basis-Layout
   Version: 2026-02-16
   Ziel: ruhig, klar, mobil-first, barrierefrei, wartbar
   ====================================================== */

:root {
  /* Farben (oklch = besserer Kontrast & Perzeption) */
  --color-primary:   oklch(70% 0.13 70);      /* warmer Goldton */
  --color-primary-d: oklch(60% 0.13 70);
  --color-text:      oklch(20% 0.02 260);
  --color-bg:        oklch(98% 0.01 260);
  --color-surface:   oklch(99% 0.005 260);
  --color-border:    oklch(85% 0.02 260);
  --color-muted:     oklch(55% 0.02 260);

  /* Spacing-Skala (fluid) */
  --space-3xs: clamp(0.25rem, 0.5vw, 0.3125rem);
  --space-2xs: clamp(0.5rem, 1vw, 0.625rem);
  --space-xs:  clamp(0.75rem, 1.5vw, 0.9375rem);
  --space-s:   clamp(1rem, 2vw, 1.25rem);
  --space-m:   clamp(1.5rem, 3vw, 1.875rem);
  --space-l:   clamp(2rem, 4vw, 2.5rem);
  --space-xl:  clamp(3rem, 5vw, 3.75rem);

  /* Typografie */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: Georgia, Cambria, "Times New Roman", Times, serif;

  --fs-base: clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
  --fs-600:  clamp(1.5rem, 1.4rem + 0.5vw, 2rem);
  --fs-700:  clamp(2rem, 1.8rem + 0.8vw, 2.75rem);
  --fs-800:  clamp(2.5rem, 2.2rem + 1.2vw, 3.5rem);

  --line-height: 1.6;
  --line-height-heading: 1.2;

  /* Übergänge */
  --transition: all 0.2s ease-out;
}

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

html {
  font-size: 100%;
  scroll-behavior: smooth;
}

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

/* Navigation */
nav {
  padding: var(--space-m);
  font-family: var(--font-sans);
  font-size: clamp(1rem, 2vw, 1.125rem);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-s);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  justify-content: center;
}

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

nav a:hover,
nav a:focus {
  color: var(--color-primary);
  text-decoration: underline;
}

/* Main */
main {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-l) var(--space-m);
}

/* Typografie */
h1 {
  font-size: var(--fs-800);
  line-height: var(--line-height-heading);
  margin-bottom: var(--space-m);
  color: var(--color-text);
}

h2 {
  font-size: var(--fs-700);
  margin: var(--space-xl) 0 var(--space-m);
  color: var(--color-text);
}

h3, h4, h5 {
  margin: var(--space-l) 0 var(--space-s);
}

/* Formulare */
label {
  display: block;
  margin-bottom: var(--space-2xs);
  font-weight: 600;
  font-size: 1.1em;
}

select,
input[type="text"],
input[type="password"],
input[type="number"],
textarea {
  width: 100%;
  padding: var(--space-s);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font: inherit;
  background: white;
  transition: border-color 0.2s ease;
}

select:focus,
input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 20%, transparent);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

button {
  background: var(--color-primary);
  color: white;
  border: none;
  padding: var(--space-m) var(--space-l);
  font-weight: 700;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
}

button:hover {
  background: var(--color-primary-d);
  transform: translateY(-1px);
}

/* Karten & Boxen */
.card,
.box {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: var(--space-l);
  margin: var(--space-l) 0;
  box-shadow: 0 4px 12px color-mix(in srgb, black 5%, transparent);
}

/* Links als Button */
.btnlink {
  display: inline-block;
  padding: var(--space-s) var(--space-l);
  background: var(--color-primary);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  transition: var(--transition);
}

.btnlink:hover {
  background: var(--color-primary-d);
}

/* Responsivität */
@media (min-width: 768px) {
  main {
    padding: var(--space-xl) var(--space-l);
  }

  nav {
    padding: var(--space-l);
    gap: var(--space-m);
  }
}

@media (min-width: 1024px) {
  h1 { font-size: clamp(3rem, 5vw, 4.5rem); }
}