/* ==========================================================================
   Energiemix – Website
   Tokens 1:1 aus dem Design-System (energiemix-design-system), Komponenten
   als reines CSS nachgebaut (Button, Tag, IconChip, Soundwave, EpisodeCard).
   ========================================================================== */

@import url("../fonts/fonts.css");

/* ---------- Tokens ------------------------------------------------------ */
:root {
  /* Basis / Corporate */
  --em-ink: #0D1B2E; --em-ink-soft: #22344D; --em-navy: #122A4A;
  --em-paper: #F7F4EC; --em-white: #FFFFFF;
  /* Primär */
  --em-blau: #1E56E8; --em-blau-tief: #153FAE; --em-blau-hell: #DCE6FF;
  /* Energieträger-Akzente */
  --em-sonne: #FFC72C; --em-wasser: #29A8E0; --em-wind: #8FD8E8;
  --em-biomasse: #6CB43C; --em-gas: #8B6FE8; --em-volt: #FF6B2C;
  /* Neutrale */
  --em-grau-100: #EFECE4; --em-grau-200: #DCD8CD; --em-grau-400: #A8A79F;
  --em-grau-600: #6B6E70; --em-grau-800: #33404F;
  /* Semantisch */
  --text-heading: var(--em-ink); --text-body: #2B3A4E; --text-muted: var(--em-grau-600);
  --text-inverse: var(--em-paper);
  --surface-page: var(--em-paper); --surface-card: var(--em-white);
  --surface-dark: var(--em-ink); --surface-accent: var(--em-blau-hell);
  --border-subtle: var(--em-grau-200); --border-strong: var(--em-ink);
  --action-primary: var(--em-blau); --action-primary-hover: var(--em-blau-tief);
  --focus-ring: var(--em-sonne);
  /* Verläufe */
  --grad-energie: linear-gradient(120deg, var(--em-blau) 0%, var(--em-wasser) 45%, var(--em-biomasse) 100%);
  --grad-sonnenaufgang: linear-gradient(135deg, var(--em-sonne) 0%, var(--em-volt) 100%);
  --grad-tiefsee: linear-gradient(160deg, #122A4A 0%, #0D1B2E 70%);

  /* Typo */
  --font-display: "Bricolage Grotesque", system-ui, sans-serif;
  --font-body: "Archivo", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  /* Spacing */
  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px; --space-5: 24px;
  --space-6: 32px; --space-7: 48px; --space-8: 64px; --space-9: 96px;
  --size-touch: 44px; --container-max: 1120px;

  /* Effekte */
  --radius-sm: 8px; --radius-md: 14px; --radius-lg: 22px; --radius-xl: 22px; --radius-pill: 999px;
  --shadow-card: 0 2px 8px rgba(13,27,46,.08), 0 8px 28px rgba(13,27,46,.10);
  --shadow-pop: 0 4px 0 var(--em-ink);
  --ease-spring: cubic-bezier(.34,1.56,.64,1);
  --ease-out: cubic-bezier(.22,.61,.36,1);
  --dur-fast: 150ms; --dur-base: 250ms;
}

/* ---------- Keyframes --------------------------------------------------- */
@keyframes em-bob  { from { transform: translateY(0); } to { transform: translateY(-10px); } }
@keyframes em-flow { to { stroke-dashoffset: -48; } }
@keyframes em-wave { from { transform: scaleY(.55); } to { transform: scaleY(1.15); } }

/* ---------- Basis ------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--em-blau-hell);
  font-family: var(--font-body);
  color: var(--text-body);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--text-heading); letter-spacing: -0.02em; }
a { color: var(--em-blau); }
a:hover { color: var(--em-blau-tief); }
img { max-width: 100%; }
:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 2px; }

.page { position: relative; min-height: 100vh; }
.page__content { position: relative; z-index: 1; }
.container { max-width: var(--container-max); margin: 0 auto; padding-left: 24px; padding-right: 24px; }

/* Wiederkehrende Typo-Muster */
.eyebrow {
  font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--em-blau); margin: 0 0 14px;
}
.meta {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--text-muted); margin: 0;
}

/* ---------- Hintergrund: schwebende Icons + Farbkreise ------------------ */
.bg-layer {
  position: fixed; inset: 0; overflow: hidden; pointer-events: none; z-index: 0;
}
.bg-layer img { position: absolute; will-change: transform; }
.bg-layer .glow {
  position: absolute; border-radius: 50%; will-change: transform;
  background: radial-gradient(circle, rgba(41,168,224,0.16) 0%, rgba(41,168,224,0) 70%);
}

/* ---------- Header ------------------------------------------------------ */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: var(--em-blau-hell); border-bottom: 1px solid #C3D2F0;
}
.site-header__inner {
  max-width: 1120px; margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.wordmark {
  font-family: var(--font-display); font-weight: 800; font-size: 26px;
  letter-spacing: -0.03em; color: var(--em-ink); text-decoration: none; white-space: nowrap;
}
.wordmark:hover { color: var(--em-ink); }
.wordmark img { height: 1em; width: auto; vertical-align: -0.1em; margin: 0 -1px; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--em-ink); text-decoration: none;
}
.nav a:hover { color: var(--em-blau); }

/* ---------- Buttons (DS: Button) ---------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 22px; min-height: 44px;
  font-family: var(--font-body); font-weight: 600; font-size: 15px;
  border-radius: var(--radius-pill); cursor: pointer; text-decoration: none;
  border: 2px solid transparent;
  transition: transform var(--dur-fast) var(--ease-spring), background var(--dur-fast);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn img { width: 18px; height: 18px; }
.btn--primary { background: var(--action-primary); color: #fff; }
.btn--primary:hover { background: var(--action-primary-hover); color: #fff; }
.btn--primary img { filter: invert(1); }
.btn--pop { background: var(--em-sonne); color: var(--em-ink); border-color: var(--em-ink); box-shadow: var(--shadow-pop); }
.btn--pop:hover { color: var(--em-ink); }
.btn--outline { background: transparent; color: var(--em-ink); border-color: var(--em-ink); }
.btn--outline:hover { color: var(--em-ink); }

/* ---------- Soundwave (DS: Soundwave) ----------------------------------- */
.soundwave { display: flex; align-items: center; gap: 4px; }
.soundwave__bar { flex: 1; min-width: 3px; border-radius: 99px; }
.soundwave--animated .soundwave__bar {
  animation: em-wave 1.2s var(--ease-out) var(--delay, 0s) infinite alternate;
}

/* ---------- Tag (DS: Tag) ----------------------------------------------- */
.tag {
  display: inline-flex; align-items: center; padding: 4px 12px;
  border-radius: var(--radius-pill); background: var(--em-blau); color: #fff;
  font-family: var(--font-mono); font-weight: 600; font-size: 12px;
  letter-spacing: 0.08em; text-transform: uppercase;
}
.tag--blau     { background: var(--em-blau); }
.tag--sonne    { background: var(--em-sonne); color: var(--em-ink); }
.tag--wasser   { background: var(--em-wasser); }
.tag--wind     { background: var(--em-wind); color: var(--em-ink); }
.tag--biomasse { background: var(--em-biomasse); }
.tag--gas      { background: var(--em-gas); }
.tag--volt     { background: var(--em-volt); }

/* ---------- IconChip (DS: IconChip) ------------------------------------- */
.chip {
  display: inline-flex; align-items: center; gap: 10px; padding: 8px 16px 8px 8px;
  border-radius: var(--radius-pill); background: var(--em-white);
  border: 1.5px solid var(--border-subtle);
  font-family: var(--font-body); font-weight: 600; font-size: 14px; color: var(--em-ink);
}
.chip__dot { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: var(--em-blau); }
.chip__dot img { width: 18px; height: 18px; filter: invert(1); }
.chip--blau .chip__dot     { background: var(--em-blau); }
.chip--sonne .chip__dot    { background: var(--em-sonne); }
.chip--wasser .chip__dot   { background: var(--em-wasser); }
.chip--wind .chip__dot     { background: var(--em-wind); }
.chip--biomasse .chip__dot { background: var(--em-biomasse); }
.chip--gas .chip__dot      { background: var(--em-gas); }
.chip--volt .chip__dot     { background: var(--em-volt); }
.chip--sonne .chip__dot img, .chip--wind .chip__dot img { filter: none; }

/* ---------- Scroll-Reveal ----------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
[data-reveal="left"]  { transform: translateX(-36px); }
[data-reveal="right"] { transform: translateX(36px); }
[data-reveal="up"]    { transform: translateY(28px); }
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- Hero -------------------------------------------------------- */
.hero { max-width: 1120px; margin: 0 auto; padding: 88px 24px 64px; text-align: center; position: relative; }
.hero .eyebrow { margin-bottom: 20px; }
.hero h1 {
  font-weight: 800; font-size: clamp(38px, 5vw, 62px); line-height: 1.05;
  letter-spacing: -0.025em; color: var(--em-ink); margin: 0 auto 22px; max-width: 880px; text-wrap: pretty;
}
.hero__lead { font-size: 18px; line-height: 1.6; max-width: 620px; margin: 0 auto 32px; }
.hero__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 44px; }
.hero__wave { max-width: 720px; margin: 0 auto; }

/* ---------- Über -------------------------------------------------------- */
.ueber { max-width: 1120px; margin: 0 auto; padding: 72px 24px; }
.ueber__grid { display: grid; grid-template-columns: minmax(260px, 420px) 1fr; gap: 64px; align-items: center; }
.ueber__figure { text-align: center; }
.ueber__figure img {
  width: 100%; max-width: 400px;
  filter: drop-shadow(0 28px 44px rgba(13,27,46,0.2));
  animation: em-bob 3.4s ease-in-out infinite alternate;
}
.ueber h2 {
  font-weight: 800; font-size: 38px; line-height: 1.1; letter-spacing: -0.02em;
  color: var(--em-ink); margin: 0 0 18px; text-wrap: pretty;
}
.ueber p { font-size: 16px; line-height: 1.65; margin: 0 0 14px; }
.ueber p:last-of-type { margin-bottom: 26px; }
.ueber__chips { display: flex; flex-wrap: wrap; gap: 10px; }

/* ---------- Folgen ------------------------------------------------------ */
.folgen { max-width: 1280px; margin: 0 auto; padding: 72px 24px 96px; }
.folgen__head { text-align: center; margin-bottom: 48px; }
.folgen__head h2 { font-weight: 800; font-size: 38px; letter-spacing: -0.02em; color: var(--em-ink); margin: 0; }
.folgen__grid {
  display: grid;
  grid-template-columns: minmax(220px, 300px) minmax(340px, 540px) minmax(220px, 300px);
  gap: 44px; justify-content: center; align-items: start;
}
.folgen__list { display: flex; flex-direction: column; gap: 24px; }

/* Hosts */
.host { position: sticky; top: 96px; }
.host__figure { position: relative; aspect-ratio: 1536 / 1024; }
.host__figure img, .host__figure svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.host__figure img { object-fit: contain; }
.host__figure svg { pointer-events: none; }
.host__text { text-align: center; margin-top: 12px; }
.host__text .meta { margin-bottom: 6px; }
.host__text h3 { font-weight: 800; font-size: 24px; letter-spacing: -0.02em; color: var(--em-ink); margin: 0 0 8px; }
.host__text p:not(.meta) { font-size: 14px; line-height: 1.55; color: var(--text-muted); margin: 0; }

/* Wasser-Animation an Pauls Skizze */
.flow { animation: em-flow var(--t, 1.5s) linear infinite; }

/* Episode-Karte (DS: EpisodeCard, hell) */
.episode {
  background: var(--surface-card); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card); padding: 24px;
}
.episode__top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 10px; }
.episode__num { font-family: var(--font-mono); font-weight: 600; font-size: 14px; color: var(--em-blau); }
.episode__dur { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; color: var(--em-grau-600); }
.episode h3 {
  font-weight: 800; font-size: 23px; line-height: 1.15; letter-spacing: -0.02em;
  color: var(--em-ink); margin: 0 0 8px; text-wrap: pretty;
}
.episode__desc { font-size: 14px; line-height: 1.55; margin: 0 0 16px; }
.episode__player { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.episode__player .soundwave { flex: 1; min-width: 0; }
.play-btn {
  width: 46px; height: 46px; flex: none; border-radius: 50%; border: none; cursor: pointer;
  background: var(--em-blau); display: grid; place-items: center; padding: 0;
  transition: transform var(--dur-fast) var(--ease-spring), background var(--dur-fast);
}
.play-btn:hover { background: var(--em-blau-tief); transform: translateY(-1px); }
.play-btn:active { transform: translateY(0); }
.play-btn__pause { display: none; gap: 4px; }
.play-btn__pause span { width: 4px; height: 15px; border-radius: 2px; background: #fff; }
.play-btn__play { width: 20px; height: 20px; filter: invert(1); margin-left: 2px; display: block; }
.episode.is-playing .play-btn__pause { display: flex; }
.episode.is-playing .play-btn__play { display: none; }
.episode__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.episode__foot {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  border-top: 1px solid var(--em-grau-100); padding-top: 12px;
}
.episode__gast { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); }
.episode__links { display: flex; gap: 14px; }
.episode__links a {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--em-blau); text-decoration: none;
}
.episode__links a:hover { color: var(--em-blau-tief); }

/* ---------- Newsletter -------------------------------------------------- */
.newsletter { max-width: 1120px; margin: 0 auto; padding: 24px 24px 96px; }
.newsletter__box {
  background: var(--grad-sonnenaufgang); border-radius: var(--radius-xl);
  padding: 56px 48px; text-align: center; color: var(--em-ink);
}
.newsletter__box h2 { font-weight: 800; font-size: 36px; letter-spacing: -0.02em; margin: 0 0 12px; }
.newsletter__box p { font-size: 16px; line-height: 1.6; max-width: 520px; margin: 0 auto 28px; }
.newsletter__form { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.newsletter__form input {
  min-width: 280px; padding: 12px 20px; border-radius: 999px; border: 2px solid var(--em-ink);
  font-family: var(--font-body); font-size: 15px; background: var(--em-white); color: var(--em-ink);
  outline-color: var(--em-blau);
}
.newsletter__thanks {
  font-family: var(--font-mono); font-size: 14px; letter-spacing: 0.1em; text-transform: uppercase; margin: 0;
  display: none;
}
.newsletter__box.is-done .newsletter__form { display: none; }
.newsletter__box.is-done .newsletter__thanks { display: block; }

/* ---------- Footer ------------------------------------------------------ */
.site-footer { background: var(--em-blau); color: var(--em-white); }
.site-footer__inner { max-width: 1120px; margin: 0 auto; padding: 64px 24px 40px; }
.site-footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; align-items: start; margin-bottom: 48px; }
.site-footer .wordmark { font-size: 28px; color: var(--em-white); display: inline-block; margin: 0 0 16px; }
.site-footer__wave { max-width: 260px; }
.site-footer__col { display: flex; flex-direction: column; gap: 10px; }
.site-footer__col .meta { color: #C9D7FA; margin-bottom: 4px; }
.site-footer__col a { color: var(--em-paper); text-decoration: none; font-size: 14px; }
.site-footer__col a:hover { color: var(--em-white); text-decoration: underline; }
.site-footer__col p:not(.meta) { margin: 0; font-size: 14px; color: #DCE6FF; }
.site-footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.28); padding-top: 20px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.site-footer__bottom p {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: #C9D7FA; margin: 0;
}

/* ---------- Responsive (Vorlage ist Desktop – hier nur Umbrüche) -------- */
@media (max-width: 1023px) {
  .folgen__grid { grid-template-columns: minmax(0, 560px); }
  .host { position: static; max-width: 360px; margin: 0 auto; }
  .host--paul { order: 3; }
}
@media (max-width: 860px) {
  .ueber__grid { grid-template-columns: 1fr; gap: 40px; }
  .ueber__figure img { max-width: 320px; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 640px) {
  .hero { padding: 56px 20px 48px; }
  .ueber, .folgen { padding-left: 20px; padding-right: 20px; }
  .ueber h2, .folgen__head h2, .newsletter__box h2 { font-size: 30px; }
  .site-header__inner { padding: 12px 20px; gap: 12px; flex-wrap: wrap; }
  .nav { gap: 16px; flex-wrap: wrap; }
  .nav a { font-size: 11px; }
  .newsletter__box { padding: 40px 24px; }
  .newsletter__form input { min-width: 0; width: 100%; }
  .newsletter__form .btn { width: 100%; justify-content: center; }
  .site-footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .episode__foot { flex-direction: column; align-items: flex-start; }
}

/* Bewegung reduzieren, wenn das System es wünscht */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ueber__figure img, .soundwave--animated .soundwave__bar, .flow { animation: none; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}