/* =====================================================================
   base.css — Reset, Typografie, Layout-Raster, Utilities
   Kita Familya — mobile-first
   ===================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1.125rem;          /* 18 px Basis */
  line-height: 1.65;
  font-weight: 400;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

input, button, textarea, select { font: inherit; color: inherit; }

a {
  color: var(--color-primary-700);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 0.18em;
}
a:hover { color: var(--color-primary-900); }

ul, ol { padding-left: 1.25rem; }

:target { scroll-margin-top: 100px; }

/* --- Typografie-Skala (fluid via clamp) --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-text);
  text-wrap: balance;
  line-height: 1.18;
}

p { text-wrap: pretty; }

.display {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.25rem, 1.4rem + 3.8vw, 3.75rem);
  line-height: 1.05;
}
h1, .h1 {
  font-size: clamp(2rem, 1.5rem + 2.2vw, 2.75rem);
  line-height: 1.12;
}
h2, .h2 {
  font-size: clamp(1.6rem, 1.3rem + 1.4vw, 2.125rem);
  line-height: 1.18;
}
h3, .h3 {
  font-size: clamp(1.375rem, 1.2rem + 0.8vw, 1.625rem);
  line-height: 1.25;
}
h4, .h4 {
  font-size: 1.3125rem;        /* 21 px */
  line-height: 1.3;
}
h5, .h5 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.125rem;         /* 18 px */
  line-height: 1.35;
}
h6, .h6 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.875rem;         /* 14 px */
  line-height: 1.4;
}

/* --- Eyebrow / Label-Überschrift --- */
.eyebrow {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-700);
  line-height: 1.4;
  margin-bottom: var(--space-3);
  display: block;
}
.eyebrow--on-dark { color: var(--color-accent-300); }

.lead {
  font-size: 1.3125rem;        /* 21 px, mobil 19 px */
  line-height: 1.6;
  color: var(--color-text-muted);
}
@media (max-width: 767px) {
  .lead { font-size: 1.1875rem; }
}

.text-small { font-size: 1rem; }
.caption {
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--color-text-muted);
}

/* --- Lese-Komfort: Textspaltenbreite --- */
.prose { max-width: 38rem; }
.prose p + p { margin-top: var(--space-5); }
.prose h2 { margin-top: var(--space-8); margin-bottom: var(--space-4); }
.prose h3 { margin-top: var(--space-7); margin-bottom: var(--space-3); }
.prose ul, .prose ol { margin-top: var(--space-4); }
.prose li + li { margin-top: var(--space-2); }
.prose a { font-weight: 600; }

/* --- Layout: Container --- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: var(--container-narrow); }
.container--wide { max-width: var(--container-wide); }

/* --- Sektions-Vertikalabstand --- */
.section {
  padding-block: var(--space-8);
}
@media (min-width: 768px) {
  .section { padding-block: 80px; }
}
@media (min-width: 1024px) {
  .section { padding-block: var(--space-9); }
}
.section--tight { padding-block: var(--space-7); }
@media (min-width: 1024px) {
  .section--tight { padding-block: var(--space-8); }
}

/* --- Sektions-Hintergründe --- */
.bg-surface-alt { background-color: var(--color-surface-alt); }
.bg-primary-100 { background-color: var(--color-primary-100); }
.bg-accent-100 { background-color: var(--color-accent-100); }
.bg-green-100 { background-color: var(--color-green-100); }
.bg-yellow-100 { background-color: var(--color-yellow-100); }
.bg-primary-900 {
  background-color: var(--color-primary-900);
  color: var(--color-text-on-dark);
}
.bg-primary-700 {
  background-color: var(--color-primary-700);
  color: var(--color-text-on-dark);
}

/* --- Grid-Helfer --- */
.grid { display: grid; gap: var(--space-5); }
@media (min-width: 768px) {
  .grid { gap: var(--space-6); }
}

.cards-3 {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .cards-3 { grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
}
@media (min-width: 1024px) {
  .cards-3 { grid-template-columns: repeat(3, 1fr); }
}

.cards-2 {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .cards-2 { grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
}

.cards-4 {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}
@media (min-width: 600px) {
  .cards-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .cards-4 { grid-template-columns: repeat(4, 1fr); }
}

/* --- Abstands-Utilities --- */
.mt-0 { margin-top: 0; }
.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); }
.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); }

/* --- Ausrichtung --- */
.text-center { text-align: center; }
.center-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* --- Sektionskopf --- */
.section-head {
  max-width: 44rem;
  margin-bottom: var(--space-7);
}
.section-head--center {
  margin-inline: auto;
  text-align: center;
}
.section-head p { margin-top: var(--space-3); color: var(--color-text-muted); }

/* --- Skip-Link --- */
.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100px;
  z-index: 2000;
  background: var(--color-primary-700);
  color: #fff;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-weight: 700;
  text-decoration: none;
  transition: top var(--transition);
}
.skip-link:focus {
  top: var(--space-4);
  color: #fff;
}

/* --- Screenreader-only --- */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* --- Sichtbarer Fokus für alle interaktiven Elemente --- */
:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 4px;
}
.bg-primary-900 :focus-visible,
.bg-primary-700 :focus-visible {
  outline-color: var(--color-accent-300);
}

/* --- main wächst, damit Footer unten bleibt --- */
main { flex: 1 0 auto; }

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