/* ============================================================
   NORTHCORE — HOME
   Kapitel-Stile der Startseite: Hero-Feld, Ökosystem-Tabs,
   Flow-Rail, Rollen-Morphing, NLF-Stufen, Konvergenz.
   Baut ausschließlich auf tokens.css + core.css auf.
   ============================================================ */

/* ---------- Kapitel 1 · Hero über dem Operating Field ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h, 76px) + 48px) 0 96px;
  overflow: hidden;
}
.hero .field-stage {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 880px;
}
.hero__title { margin: 18px 0 22px; }
.hero .lead { max-width: 56ch; }
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}
.hero__claims {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 34px;
  margin-top: 56px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-mono, 13px);
  letter-spacing: 0.08em;
}
.hero__claims .muted { color: var(--text-tertiary); }

/* Signale: Betriebsereignisse schweben über dem Feld */
.hero__signals { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.signal {
  position: absolute;
  left: var(--sx);
  top: var(--sy);
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg-primary) 72%, transparent);
  backdrop-filter: blur(6px);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  white-space: nowrap;
  opacity: 0;
  animation: signal-float 9s ease-in-out var(--sd, 0s) infinite;
}
.signal--gold { color: var(--nc-gold); border-color: color-mix(in srgb, var(--nc-gold) 35%, transparent); }
@keyframes signal-float {
  0%, 100% { opacity: 0; transform: translateY(10px); }
  12%, 78% { opacity: 1; transform: translateY(0); }
  90% { opacity: 0; transform: translateY(-8px); }
}

.hero__scrollcue {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  text-decoration: none;
}
.hero__scrollcue:hover { color: var(--text-primary); }
.hero__scrollcue span { animation: cue-drop 2.2s var(--ease-light) infinite; }
@keyframes cue-drop {
  0%, 100% { transform: translateY(0); opacity: 0.6; }
  50% { transform: translateY(5px); opacity: 1; }
}

/* ---------- Kapitel 2 · Ökosystem ---------- */
.eco { margin-top: 26px; }
.eco__rail {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 26px;
}
.eco__tab {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 14px;
  align-items: center;
  text-align: left;
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius, 10px);
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color var(--t-micro) var(--ease-core), background var(--t-micro) var(--ease-core), transform var(--t-micro) var(--ease-core);
}
.eco__tab img { grid-row: 1 / span 2; }
.eco__tab:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.eco__tab[aria-selected="true"] {
  border-color: color-mix(in srgb, var(--nc-gold) 45%, transparent);
  background: color-mix(in srgb, var(--nc-gold) 6%, var(--surface));
  color: var(--text-primary);
}
.eco__name { font-family: var(--font-display); font-weight: 600; font-size: 17px; }
.eco__role { font-size: 11px; letter-spacing: 0.1em; color: var(--text-tertiary); text-transform: uppercase; }

.eco__panel {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}
.eco__panel.is-active { animation: panel-in var(--t-comp) var(--ease-light) both; }
@keyframes panel-in {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
.eco__text h3 { margin-bottom: 12px; }
.eco__points {
  margin: 22px 0 26px;
  display: grid;
  gap: 10px;
}
.eco__points li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}
.eco__demo {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius, 10px);
  background: var(--surface);
  overflow: hidden;
}
.eco__demo > div { padding: clamp(18px, 2.6vw, 30px); }
.eco__note {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 11.5px;
  color: var(--text-tertiary);
}

/* NC-Demo: Kern + Module */
.core-node {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  border: 1px solid color-mix(in srgb, var(--nc-gold) 40%, transparent);
  border-radius: 8px;
  background: color-mix(in srgb, var(--nc-gold) 7%, transparent);
  font-family: var(--font-display);
  font-weight: 600;
}
.core-node .mono { margin-left: auto; font-size: 11px; }
.core-mods {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 12px;
}
.core-mods li {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  font-size: 13px;
  color: var(--text-secondary);
  text-align: center;
  transition: border-color var(--t-micro) var(--ease-core), color var(--t-micro) var(--ease-core);
}
.core-mods li:hover { border-color: color-mix(in srgb, var(--nc-gold) 45%, transparent); color: var(--text-primary); }

/* NLF-Demo: roh → gestaltet */
.eco__nlfdemo { display: grid; grid-template-columns: 1fr auto 1fr; gap: 14px; align-items: stretch; }
.eco__nlfdemo .eco__note { grid-column: 1 / -1; }
.nlf-raw {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 7px;
  font-size: 11px;
  line-height: 1.7;
  color: var(--text-tertiary);
  overflow-wrap: anywhere;
}
.nlf-raw .muted { display: block; margin-bottom: 8px; letter-spacing: 0.1em; text-transform: uppercase; font-size: 10px; }
.nlf-arrow { align-self: center; color: var(--nlf-silver); font-size: 18px; }
.nlf-shaped {
  padding: 14px;
  border: 1px solid color-mix(in srgb, var(--nlf-silver) 35%, transparent);
  border-radius: 7px;
  display: grid;
  gap: 6px;
  align-content: start;
}
.nlf-shaped .mono { letter-spacing: 0.1em; text-transform: uppercase; font-size: 10px; }
.nlf-shaped strong { font-family: var(--font-display); font-size: 17px; }
.nlf-shaped > span:not(.mono) { font-size: 13px; color: var(--text-secondary); }
.nlf-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.nlf-chips span {
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
}

/* SW-Demo: Empfehlung */
.sw-rec { display: flex; gap: 14px; align-items: flex-start; }
.sw-rec strong { font-family: var(--font-display); font-size: 16.5px; display: block; margin-bottom: 6px; }
.sw-rec .mono { font-size: 11.5px; color: var(--text-tertiary); line-height: 1.7; }
.sw-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.btn--s { padding: 8px 16px; font-size: 12.5px; }

/* ---------- Kapitel 3 · Flow ---------- */
.flow {
  border: 1px solid var(--line);
  border-radius: var(--radius, 10px);
  background: var(--surface);
  overflow: hidden;
}
.flow__rail {
  position: relative;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  border-bottom: 1px solid var(--line);
}
.flow__track {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: var(--line);
}
.flow__fill {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--nc-gold), var(--sword-edge));
  transform-origin: left;
  transform: scaleX(0.125);
  transition: transform var(--t-comp) var(--ease-sword);
}
.flow__stepbtn {
  display: grid;
  gap: 4px;
  justify-items: center;
  padding: 16px 6px 14px;
  background: none;
  border: 0;
  border-right: 1px solid var(--line);
  color: var(--text-tertiary);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  transition: color var(--t-micro) var(--ease-core), background var(--t-micro) var(--ease-core);
}
.flow__stepbtn:last-child { border-right: 0; }
.flow__stepbtn:hover { color: var(--text-secondary); }
.flow__stepbtn[aria-selected="true"] { color: var(--nc-gold); background: color-mix(in srgb, var(--nc-gold) 5%, transparent); }
.flow__stepbtn .flow__ico { font-size: 15px; }
.flow__panel {
  padding: clamp(22px, 3.4vw, 40px);
  min-height: 190px;
}
.flow__meta { font-size: 11.5px; color: var(--text-tertiary); margin-bottom: 10px; }
.flow__t { margin-bottom: 10px; }
.flow__d { max-width: 62ch; color: var(--text-secondary); }
.flow__nav { display: flex; gap: 10px; margin-top: 20px; }
.flow__hint { display: block; margin: 18px 0 44px; font-size: 12px; }

.depth .card__k { color: var(--nc-gold); }

/* ---------- Kapitel 4 · Sword-Rollen ---------- */
.roles { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 8fr); gap: clamp(20px, 3vw, 40px); align-items: start; }
.roles__rail { display: grid; gap: 8px; }
.roles__btn {
  text-align: left;
  padding: 13px 16px;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  transition: border-color var(--t-micro) var(--ease-core), color var(--t-micro) var(--ease-core), background var(--t-micro) var(--ease-core);
}
.roles__btn .mono { font-size: 10.5px; color: var(--text-tertiary); }
.roles__btn:hover { border-color: var(--line-strong); color: var(--text-primary); }
.roles__btn[aria-selected="true"] {
  border-color: color-mix(in srgb, var(--sword-edge) 50%, transparent);
  background: color-mix(in srgb, var(--sword-edge) 6%, transparent);
  color: var(--text-primary);
}
.roles__frame {
  border: 1px solid var(--line);
  border-radius: var(--radius, 10px);
  background: var(--surface);
  overflow: hidden;
}
.roles__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 11.5px;
}
.roles__head img { vertical-align: -4px; margin-right: 6px; }
.roles__badge { color: var(--sword-edge); }
.roles__body { padding: clamp(20px, 3vw, 34px); }
.roles__body.is-morph { animation: role-morph var(--t-morph) var(--ease-sword) both; }
@keyframes role-morph {
  0% { opacity: 0; transform: translateY(10px) scale(0.995); }
  60% { opacity: 1; }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}
.roles__focus { margin-bottom: 8px; }
.roles__desc { color: var(--text-secondary); max-width: 64ch; margin-bottom: 24px; }
.roles__kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}
.kpi {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.kpi__v { font-family: var(--font-display); font-weight: 650; font-size: clamp(20px, 2.4vw, 27px); color: var(--text-primary); }
.kpi__l { font-size: 11.5px; color: var(--text-tertiary); margin-top: 4px; letter-spacing: 0.04em; }
.kpi__bar { height: 3px; background: var(--line); border-radius: 2px; margin-top: 10px; overflow: hidden; }
.kpi__bar i {
  display: block;
  height: 100%;
  background: var(--sword-edge);
  border-radius: 2px;
  transform-origin: left;
  transform: scaleX(var(--w, 0.5));
  transition: transform var(--t-morph) var(--ease-sword);
}
.roles__rec {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  border: 1px solid color-mix(in srgb, var(--sword-edge) 40%, transparent);
  border-radius: 8px;
  background: color-mix(in srgb, var(--sword-edge) 5%, transparent);
  font-size: 14px;
}
.roles__rec::before {
  content: "";
  flex: 0 0 8px;
  height: 8px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--sword-edge);
}
.roles__rec .mono { display: block; font-size: 11px; color: var(--text-tertiary); margin-top: 5px; }

.inline-link { color: var(--nc-gold); text-decoration: none; border-bottom: 1px solid color-mix(in srgb, var(--nc-gold) 40%, transparent); }
.inline-link:hover { border-bottom-color: var(--nc-gold); }
/* Helle Welt: Gold-Text abdunkeln (WCAG AA auf #EFECE4) */
[data-theme="light"] .inline-link { color: #7D5F2C; border-bottom-color: rgba(125, 95, 44, 0.4); }
[data-theme="light"] .inline-link:hover { border-bottom-color: #7D5F2C; }

/* ---------- Kapitel 5 · NLF-Stufen (helle Welt) ---------- */
.section--light {
  background: var(--bg-primary); /* Token kippen via data-theme */
}
.nlf__rail {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 22px;
}
.nlf__tab {
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: border-color var(--t-micro) var(--ease-light), background var(--t-micro) var(--ease-light), color var(--t-micro) var(--ease-light);
}
.nlf__tab .mono { font-size: 10.5px; color: var(--text-tertiary); }
.nlf__tab:hover { border-color: var(--line-strong); color: var(--text-primary); }
.nlf__tab[aria-selected="true"] {
  border-color: color-mix(in srgb, var(--nc-gold) 55%, transparent);
  background: color-mix(in srgb, var(--nc-gold) 8%, transparent);
  color: var(--text-primary);
}
.nlf__stage [role="tabpanel"] { animation: panel-in var(--t-comp) var(--ease-light) both; }
.nlf__screen {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius, 10px);
  background: var(--surface);
  padding: clamp(20px, 3vw, 32px);
  max-width: 720px;
}
.nlf__screen strong { font-family: var(--font-display); font-size: 18px; }
.nlf__screen ul { margin-top: 14px; display: grid; gap: 1px; }
.nlf__screen li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
}
.nlf__screen li em { margin-left: auto; font-style: normal; font-size: 12px; color: var(--text-tertiary); }
.nlf__screen--raw { font-size: 12px; line-height: 2; color: var(--text-tertiary); overflow-wrap: anywhere; }
.tag {
  margin-left: auto;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}
.tag--work { border-color: color-mix(in srgb, var(--state-ok) 55%, transparent); color: var(--state-ok); }
.tag--open { color: var(--text-tertiary); }
.tag--next { border-color: color-mix(in srgb, var(--nc-gold) 60%, transparent); color: var(--nc-gold); }
/* Helle Welt: State-Töne als Text auf weißen Screens abdunkeln (WCAG AA) */
[data-theme="light"] .tag--work { color: #47713F; border-color: rgba(71, 113, 63, 0.5); }
[data-theme="light"] .tag--next { color: #7D5F2C; border-color: rgba(125, 95, 44, 0.5); }
.nlf__brandhead { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.nlf__brandhead .mono { margin-left: auto; font-size: 11px; }
.nlf__swordnote {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 16px;
  padding: 10px 14px;
  border: 1px dashed color-mix(in srgb, var(--nc-gold) 45%, transparent);
  border-radius: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}
.nlf__caption { margin-top: 14px; font-size: 13px; color: var(--text-tertiary); max-width: 62ch; }

/* ---------- Kapitel 7 · Konvergenz ---------- */
.convergence {
  position: relative;
  text-align: center;
  overflow: hidden;
  padding-top: calc(var(--section-pad) * 1.15);
  padding-bottom: calc(var(--section-pad) * 1.15);
}
.convergence .field-stage { position: absolute; inset: 0; z-index: 0; opacity: 0.55; }
.convergence .container { position: relative; z-index: 1; }
.convergence__marks {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: clamp(28px, 6vw, 72px);
  margin-bottom: 44px;
}
.convergence__marks figure { margin: 0; display: grid; gap: 10px; justify-items: center; }
.convergence__marks figcaption { font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-tertiary); }
.convergence .h2 { margin-bottom: 20px; }
.convergence .lead { margin: 0 auto; max-width: 62ch; }

/* ---------- Kapitel 8 · Kontakt-Schritte ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 10px 0 30px;
}
.steps .card { display: grid; gap: 8px; align-content: start; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .eco__panel { grid-template-columns: 1fr; }
  .roles { grid-template-columns: 1fr; }
  /* minmax(0,1fr): 1fr = minmax(auto,1fr) — lange Wörter sprengen sonst die Spalte */
  .roles__rail { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow__rail { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .flow__stepbtn:nth-child(n) { border-bottom: 1px solid var(--line); }
}
@media (max-width: 700px) {
  .eco__rail { grid-template-columns: 1fr; }
  .eco__nlfdemo { grid-template-columns: 1fr; }
  .nlf-arrow { transform: rotate(90deg); justify-self: center; }
  .nlf__rail { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .core-mods { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .roles__kpis { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .flow__rail { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero__signals { display: none; }
  .hero__scrollcue { display: none; }
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .signal { animation: none; opacity: 1; transform: none; }
  .hero__scrollcue span { animation: none; }
  .eco__panel.is-active,
  .nlf__stage [role="tabpanel"],
  .roles__body.is-morph { animation: none; }
  .flow__fill, .kpi__bar i { transition: none; }
}