/* BuchFairHandlung – Basis: Schriften, Reset, Grundtypografie, gemeinsame Bausteine */

/* Schriften: lokal, WOFF2, Latin-Subset (deckt Deutsch inkl. ä ö ü ß ab) */
@font-face {
  font-family: "Fraunces";
  src: url("../fonts/fraunces-100-900.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Fraunces";
  src: url("../fonts/fraunces-100-900-italic.woff2") format("woff2");
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Literata";
  src: url("../fonts/literata-200-900.woff2") format("woff2");
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Literata";
  src: url("../fonts/literata-200-900-italic.woff2") format("woff2");
  font-weight: 200 900;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("../fonts/plexsans-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("../fonts/plexsans-400-italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("../fonts/plexsans-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("../fonts/plexsans-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Andika";
  src: url("../fonts/andika-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Andika";
  src: url("../fonts/andika-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

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

* {
  margin: 0;
}

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

body {
  min-height: 100svh;
  background: var(--papier);
  color: var(--tinte);
  font-family: var(--schrift-lese);
  font-size: var(--groesse-basis);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--einbandrot);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

::selection {
  background: color-mix(in srgb, var(--messing) 35%, transparent);
}

:focus-visible {
  outline: 2px solid var(--einbandrot);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Sprungmarke für Tastaturnutzung */
.skip-link {
  position: absolute;
  left: 1rem;
  top: -3.5rem;
  z-index: 10;
  background: var(--tinte);
  color: var(--papier);
  padding: 0.6rem 1rem;
  border-radius: 0 0 4px 4px;
  text-decoration: none;
  font-family: var(--schrift-sach);
  font-size: var(--groesse-klein);
  transition: top var(--dauer-schnell) ease-out;
}

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

/* Seitenfuß */
.seitenfuss {
  border-top: 1px solid var(--linie);
  padding: 1.4rem clamp(1.2rem, 4vw, 2.5rem);
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 2rem;
  justify-content: space-between;
  font-size: var(--groesse-klein);
  color: var(--neben);
}

.seitenfuss nav {
  display: flex;
  gap: 1.2rem;
}

.seitenfuss a {
  color: inherit;
}

.seitenfuss a:hover {
  color: var(--einbandrot);
}

/* Sanftes Erscheinen – gemeinsame Eintrittsanimation */
@keyframes aufblenden {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
}

/* Weltenwahl: Portale wie nebeneinanderliegende Bücher, Rücken links */
.weltenwahl {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(17rem, 100%), 1fr));
  gap: clamp(0.9rem, 2vw, 1.5rem);
  max-width: var(--breite-inhalt);
  margin-inline: auto;
  padding: var(--abstand-block) clamp(1.2rem, 4vw, 2.5rem) var(--abstand-sektion);
}

.portal {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: clamp(1.4rem, 3vw, 2.2rem);
  border-radius: 0 6px 6px 0;
  text-decoration: none;
  overflow: hidden;
  transform-origin: left center;
  transition:
    transform var(--dauer-normal) var(--kurve-aus),
    box-shadow var(--dauer-normal) var(--kurve-aus);
}

html.anim .portal {
  animation: aufblenden 650ms var(--kurve-aus) backwards;
}

.portal::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.portal > * {
  position: relative;
  z-index: 1;
}

.portal:hover,
.portal:focus-visible {
  transform: perspective(1100px) rotateY(-3.2deg) translateY(-3px);
  box-shadow: 0 16px 34px -18px rgba(33, 29, 22, 0.45);
}

.portal-kicker {
  font-family: var(--schrift-lese);
  font-style: italic;
  font-size: var(--groesse-klein);
}

.portal-titel {
  font-size: clamp(1.35rem, 1.1rem + 1.2vw, 1.8rem);
  line-height: 1.15;
}

.portal-themen {
  font-size: var(--groesse-klein);
  line-height: 1.6;
}

.portal-cta {
  margin-top: auto;
  padding-top: 0.9rem;
  font-size: var(--groesse-klein);
  font-weight: 500;
}

.portal-cta .pfeil {
  display: inline-block;
  transition: transform var(--dauer-normal) var(--kurve-aus);
}

.portal:hover .pfeil,
.portal:focus-visible .pfeil {
  transform: translateX(5px);
}

@media (max-width: 47rem) {
  .portal:hover,
  .portal:focus-visible {
    transform: translateY(-2px);
  }
}

/* Platzhalter für Bereiche im Aufbau (nur lokale Entwicklung) */
.platzhalter {
  min-height: 100svh;
  display: grid;
  place-content: center;
  gap: 1rem;
  text-align: center;
  padding: 2rem;
}

.platzhalter h1 {
  font-family: var(--schrift-marke);
  font-weight: 560;
  font-size: var(--groesse-h2);
}

.platzhalter p {
  color: var(--neben);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .portal:hover,
  .portal:focus-visible {
    transform: none;
    box-shadow: 0 0 0 2px currentColor;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}