/* ================================================================
   Helfer Hub — Editorial Tile Design
   Uses global CSS variables from styles.css
   ================================================================ */

/* --- Local color tokens (editorial layer) --- */
:root {
  --hl-cream: #f5ebd7;
  --hl-cream-bright: #faf5e8;
  --hl-accent: #e8b871;
  --hl-accent-strong: #c4673c;
  --hl-text-on-dark-soft: rgba(245,235,215,0.65);
  --hl-text-on-dark-mute: rgba(245,235,215,0.5);
  --hl-tile-bg: rgba(245,235,215,0.04);
  --hl-tile-border: rgba(245,235,215,0.1);
  --hl-text-on-cream: #1f3a32;
}

/* ================================================================
   Hub Layout
   ================================================================ */
.helfer-hub {
  max-width: 1120px;
  margin: 0 auto;
  padding: 48px var(--pad-x, clamp(20px, 5vw, 80px)) 96px;
}

/* --- Header --- */
.helfer-hub__header {
  text-align: center;
  margin-bottom: 56px;
}
.helfer-hub__kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--hl-accent);
  margin-bottom: 16px;
}
.helfer-hub__title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--hl-cream-bright);
  margin: 0 0 20px;
}
.helfer-hub__title em {
  font-style: italic;
  color: var(--hl-accent);
}
.helfer-hub__lede {
  font-family: var(--font-body);
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.55;
  color: var(--hl-text-on-dark-soft);
  max-width: 640px;
  margin: 0 auto;
}

/* ================================================================
   Category Section
   ================================================================ */
.helfer-cat {
  margin-bottom: 48px;
}

/* Section header with line */
.helfer-cat__label {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--hl-cream);
  text-transform: uppercase;
  margin-bottom: 28px;
  border: none;
  padding: 0;
}
.helfer-cat__label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--hl-tile-border);
}

/* ================================================================
   Tile Grid
   ================================================================ */
.helfer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 640px) {
  .helfer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .helfer-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ================================================================
   Tile — Base (dark variant)
   ================================================================ */
.helfer-tile {
  background: var(--hl-tile-bg);
  border: 1px solid var(--hl-tile-border);
  border-radius: 16px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              background 0.3s ease,
              border-color 0.3s ease;
  position: relative;
  overflow: hidden;
}
.helfer-tile:hover {
  transform: translateY(-3px);
  background: rgba(245,235,215,0.06);
  border-color: rgba(245,235,215,0.18);
}

/* Category tag */
.helfer-tile__category {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--hl-accent);
  margin-bottom: 24px;
  text-transform: uppercase;
}
.helfer-tile__category::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--hl-accent);
}

/* Icon circle */
.helfer-tile__icon {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--hl-cream);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: #2a5249;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.helfer-tile:hover .helfer-tile__icon {
  transform: scale(1.06) rotate(-3deg);
}
.helfer-tile__icon svg {
  width: 32px;
  height: 32px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Title */
.helfer-tile__title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--hl-cream-bright);
  margin: 0 0 12px;
}

/* Description */
.helfer-tile__description {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  color: var(--hl-text-on-dark-soft);
  margin: 0 0 28px;
  flex: 1;
}

/* Footer */
.helfer-tile__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px dashed var(--hl-tile-border);
}
.helfer-tile__time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--hl-text-on-dark-mute);
  letter-spacing: 0.02em;
}
.helfer-tile__cta {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--hl-cream-bright);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--hl-accent);
  padding-bottom: 2px;
  transition: gap 0.3s ease, border-color 0.3s ease;
}
.helfer-tile:hover .helfer-tile__cta {
  gap: 10px;
  border-color: var(--hl-cream-bright);
}
.helfer-tile__cta svg {
  width: 14px;
  height: 14px;
  transition: transform 0.3s ease;
}
.helfer-tile:hover .helfer-tile__cta svg {
  transform: translate(2px, -2px);
}

/* ================================================================
   Tile — Featured variant (inverted, cream background)
   ================================================================ */
.helfer-tile--featured {
  background: var(--hl-cream);
  border-color: var(--hl-cream);
}
.helfer-tile--featured:hover {
  background: var(--hl-cream);
  border-color: var(--hl-cream);
  transform: translateY(-3px);
}
.helfer-tile--featured .helfer-tile__category {
  color: var(--hl-accent-strong);
}
.helfer-tile--featured .helfer-tile__category::before {
  background: var(--hl-accent-strong);
}
.helfer-tile--featured .helfer-tile__icon {
  background: #2a5249;
  color: var(--hl-cream);
}
.helfer-tile--featured .helfer-tile__title {
  color: var(--hl-text-on-cream);
}
.helfer-tile--featured .helfer-tile__description {
  color: rgba(31,58,50,0.7);
}
.helfer-tile--featured .helfer-tile__footer {
  border-top-color: rgba(31,58,50,0.18);
}
.helfer-tile--featured .helfer-tile__time {
  color: rgba(31,58,50,0.55);
}
.helfer-tile--featured .helfer-tile__cta {
  color: var(--hl-text-on-cream);
  border-bottom-color: var(--hl-accent-strong);
  border-bottom-width: 1.5px;
  font-weight: 600;
}
.helfer-tile--featured:hover .helfer-tile__cta {
  border-color: var(--hl-text-on-cream);
}

/* ================================================================
   Tile — Akut/Notfall variant (roter Balken am oberen Rand)
   Markiert Schnellchecks für akute Symptome (Kolik, Hufrehe).
   overflow:hidden + border-radius des Tiles beschneiden den Balken
   sauber an den oberen Rundungen.
   ================================================================ */
.helfer-tile--akut::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--danger);
  z-index: 1;
}

/* ================================================================
   Tile — Dimmed state ("Demnächst")
   ================================================================ */
.helfer-tile--dimmed {
  opacity: 0.4;
  pointer-events: none;
}
.helfer-tile--dimmed:hover {
  transform: none;
  background: var(--hl-tile-bg);
  border-color: var(--hl-tile-border);
}
.helfer-tile__badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--hl-text-on-dark-mute);
  background: rgba(245,235,215,0.06);
  border: 1px solid var(--hl-tile-border);
  border-radius: 999px;
  padding: 4px 12px;
}

/* ================================================================
   Sub-page nav
   ================================================================ */
.helfer-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(15, 27, 45, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.helfer-nav__inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.helfer-nav__brand {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.06em;
  font-variation-settings: "SOFT" 40, "opsz" 40;
}
.helfer-nav__brand em {
  font-style: italic;
  font-weight: 500;
  color: var(--accent);
}
.helfer-nav__links {
  display: flex;
  align-items: center;
  gap: 20px;
}
.helfer-nav__link {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color .15s;
}
.helfer-nav__link:hover { color: var(--accent); }
.helfer-nav__link--active { color: var(--accent); }

/* ================================================================
   Cream-Theme — NUR Helfer-Hub (helfer/index.html trägt .cream-theme
   auf <main>). Bewusst gescopt, weil die dunklen Tool-Seiten
   (bcs-rechner, hufrehe-check) helfer-hub.css ebenfalls laden und
   unberührt dunkel bleiben sollen. Der Token-Remap in styles.css
   (.cream-theme) erledigt Kategorie/Titel/Beschreibung/CTA automatisch;
   hier nur die hartcodierten bzw. als helle FLÄCHE genutzten Reste.
   ================================================================ */
.cream-theme .helfer-tile:hover {
  background: var(--bg-warm);
  border-color: #d6c7a8;
}
/* Icon-Kreis: --hl-cream ist jetzt dunkel → explizite helle Grün-Tönung
   mit dunkelgrünem Glyph (statt dunkel-auf-dunkel). */
.cream-theme .helfer-tile__icon {
  background: #e4f1ea;
  color: #2a5249;
}
.cream-theme .helfer-tile__badge {
  background: var(--bg-warm);
}
/* Featured-Tile: Inhalt war schon für hellen Grund gebaut (Text =
   --hl-text-on-cream / dunkle rgba, Akzent = Clay) → nur die Fläche
   (war --hl-cream) und der Icon-Glyph müssen angepasst werden. */
.cream-theme .helfer-tile--featured,
.cream-theme .helfer-tile--featured:hover {
  background: #faf3e3;
  border-color: #e8b871;
}
.cream-theme .helfer-tile--featured .helfer-tile__icon {
  background: #2a5249;
  color: #f5ebd7;
}