/* ============================================
   BASE — Reset, Typography, Body
   ============================================ */

/* Font-Face Declarations (DSGVO-konform: self-hosted) */
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-variable-latin.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Inter Tight';
  src: url('../fonts/inter-tight-variable-latin.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--text-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  color: var(--color-neutral-800);
  background-color: var(--color-neutral-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  color: var(--color-neutral-900);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  margin: 0 0 var(--space-4) 0;
}

h1 {
  font-size: var(--text-4xl);
  font-weight: var(--fw-bold);
}

h2 {
  font-size: var(--text-2xl);
  font-weight: var(--fw-semibold);
}

h3 {
  font-size: var(--text-xl);
  font-weight: var(--fw-semibold);
}

h4 {
  font-size: var(--text-lg);
  font-weight: var(--fw-medium);
}

p {
  margin: 0 0 var(--space-4) 0;
}

a {
  color: var(--color-primary-500);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-600);
}

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

ul, ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
}

li {
  margin-bottom: var(--space-2);
}

strong {
  font-weight: var(--fw-semibold);
}

/* Overline (Label über H2) */
.overline {
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--ls-wider);
  color: var(--color-primary-500);
  margin-bottom: var(--space-2);
  display: block;
}

/* Text links with animated underline */
.text-link {
  text-decoration: none;
  color: var(--color-primary-500);
  background-image: linear-gradient(var(--color-primary-500), var(--color-primary-500));
  background-size: 0% 2px;
  background-position: 0% 100%;
  background-repeat: no-repeat;
  transition: background-size var(--transition-base), color var(--transition-base);
  padding-bottom: 2px;
}

.text-link:hover {
  background-size: 100% 2px;
  color: var(--color-primary-600);
}

/* Selection */
::selection {
  background: var(--color-primary-100);
  color: var(--color-primary-900);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}