@import url("tokens.css");

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

.container {
  width: min(100% - 2.5rem, var(--content-max));
  margin-inline: auto;
}

h1, h2, h3 {
  font-family: var(--font-headline);
  font-weight: 700; /* Space Grotesk Bold -- entschiedene, technische Ueberschrift */
  line-height: 1.04;
  margin: 0 0 var(--space-sm);
  letter-spacing: -0.015em;
}

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

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

/* Rotes Akzentwort im Titel -- das Erkennungszeichen der Marke (kein Kursiv). */
.accent {
  color: var(--color-accent);
}

/* ---------- Skip-Link ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  background: var(--color-ink);
  color: var(--color-paper);
  padding: var(--space-xs) var(--space-sm);
  z-index: 1000;
}

.skip-link:focus {
  left: 0;
  top: 0;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-paper) 96%, var(--color-ink));
  border-bottom: 1px solid var(--line);
}

.site-header__bar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem var(--space-md);
  padding-block: 1.1rem;
}

/* Echte Wortmarke: das handgestempelte TESSENZ-Logo mit Kritzel-Herz. */
.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand img {
  height: 2.9rem;
  width: auto;
  display: block;
}

.main-nav ul {
  display: flex;
  gap: clamp(1.2rem, 0.8rem + 1.5vw, 2.5rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  text-decoration: none;
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding-block: 0.2rem;
  border-bottom: 2px solid transparent;
  transition: border-color var(--duration-fast) var(--ease-out-expo);
}

.main-nav a:hover,
.main-nav a:focus-visible,
.main-nav a[aria-current="page"] {
  border-bottom-color: var(--color-accent);
}

/* ---------- Buttons: eckig, entschieden -- bewusst keine Pillen ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.95rem 1.7rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-ink);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-out-expo),
              color var(--duration-fast) var(--ease-out-expo),
              border-color var(--duration-fast) var(--ease-out-expo);
}

.btn--primary {
  background: var(--color-ink);
  color: var(--color-paper);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.btn--ghost {
  background: transparent;
  color: var(--color-ink);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  background: var(--color-ink);
  color: var(--color-paper);
}

/* Textlink mit Pfeil -- die leise Alternative zum Button */
.arrow-link {
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 0.2rem;
  transition: border-color var(--duration-fast) var(--ease-out-expo),
              color var(--duration-fast) var(--ease-out-expo);
}

.arrow-link::after {
  content: " \2192";
}

.arrow-link:hover,
.arrow-link:focus-visible {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ---------- Editoriale Bausteine ---------- */
.section {
  padding-block: var(--space-section);
}

.section--sand {
  background: var(--color-sand);
}

/* Kapitelkopf: Nummer + Linie + Label, wie eine Magazin-Rubrik */
.rubric {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.rubric::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

.rubric__no {
  color: var(--color-accent);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-ink);
  color: var(--color-paper);
  padding-block: var(--space-lg) var(--space-md);
  margin-top: var(--space-section);
}

.site-footer a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--color-paper) 30%, transparent);
  transition: border-color var(--duration-fast) var(--ease-out-expo);
}

.site-footer a:hover,
.site-footer a:focus-visible {
  border-bottom-color: var(--color-accent);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid color-mix(in srgb, var(--color-paper) 15%, transparent);
}

@media (max-width: 47.9375rem) {
  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}

.site-footer__brand {
  margin: 0 0 var(--space-sm);
}

.site-footer__brand img {
  height: 3.2rem;
  width: auto;
}

.site-footer h3 {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.6;
  margin-bottom: var(--space-sm);
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.site-footer__legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem var(--space-md);
  padding-top: var(--space-sm);
  font-size: 0.8rem;
  opacity: 0.65;
}

/* Dezenter, abwählbarer Herkunftsverweis -- kein Rechtsanspruch. */
.site-footer__credit a {
  border-bottom: 1px solid color-mix(in srgb, var(--color-paper) 30%, transparent);
}