/* ============================================================================
   Kathy Hiereth — Landingpage
   Semantic surface tokens + 3 Grundstimmungen (moods).

   The page never reads raw brand colors for surfaces; it reads SEMANTIC
   tokens (--page-bg, --card-bg, --hero-text …). Switching data-mood on <html>
   remaps every surface at once. Brand tokens (--plum, --sage …) come from
   colors_and_type.css and stay constant — plum is always the CTA.
   ============================================================================ */

/* ---- default = hell -------------------------------------------------- */
:root,
:root[data-mood="hell"] {
  --page-bg: #F8F9F7;
  --page-text: #1F2422;
  --page-muted: #5F6664;

  --alt-bg: #EBF0EE;            /* sage-15 quiet accent ground */
  --alt-text: #1F2422;
  --alt-muted: #5F6664;

  --card-bg: #FFFFFF;
  --card-border: #E5E8E6;
  --card-text: #1F2422;
  --card-muted: #5F6664;

  --hero-bg: transparent;
  --hero-text: #1F2422;
  --hero-muted: #5F6664;
  --hero-frame: var(--sage);
  --hero-label: var(--sage-deep);
  --hero-highlight: var(--plum);
  --hero-sec-text: var(--sage-deep);
  --hero-sec-border: var(--sage-deep);
  --hero-sec-hover: var(--sage-15);

  --cta-bg: #B6CBC3;           /* sage-mid */
  --cta-text: #1F2422;
  --cta-muted: rgba(31,36,34,0.72);

  --footer-bg: #1F2422;
  --footer-text: #F8F9F7;
  --footer-muted: #9AA4A0;
  --footer-border: rgba(248,249,247,0.12);

  --nav-scrolled-bg: rgba(248,249,247,0.90);
  --nav-text: #1F2422;
  --nav-text-top: #1F2422;      /* nav text over the hero (not scrolled) */
  --nav-border: #E5E8E6;

  --about-frame: var(--blue);
  --divider: #E5E8E6;
  --label-color: var(--sage-deep);

  --tag-text: #1F2422;
  --tag-border: #CBD6D1;
  --tag-hover-bg: #EBF0EE;

  --num-color: var(--plum);
  --link-color: var(--plum);

  /* atmospheric photo-slot placeholders (gentle sage→blue, permitted) */
  --hero-slot-bg:
    repeating-linear-gradient(135deg, rgba(255,255,255,0.05) 0 2px, transparent 2px 11px),
    radial-gradient(120% 90% at 30% 20%, rgba(255,255,255,0.18), transparent 60%),
    linear-gradient(155deg, #A7C0B6 0%, #8FA9AE 52%, #8090A4 100%);
  --about-slot-bg:
    repeating-linear-gradient(135deg, rgba(255,255,255,0.05) 0 2px, transparent 2px 11px),
    radial-gradient(120% 90% at 70% 25%, rgba(255,255,255,0.16), transparent 60%),
    linear-gradient(155deg, #9DB1C0 0%, #8FA1AE 55%, #92ABA2 100%);
  --slot-text: rgba(31,36,34,0.62);
  --slot-line: rgba(31,36,34,0.5);
}

/* ---- hell + dunkle Akzente: light body, dark hero + final CTA -------- */
:root[data-mood="akzente"] {
  --page-bg: #F8F9F7;
  --page-text: #1F2422;
  --page-muted: #5F6664;

  --alt-bg: #EBF0EE;
  --alt-text: #1F2422;
  --alt-muted: #5F6664;

  --card-bg: #FFFFFF;
  --card-border: #E5E8E6;
  --card-text: #1F2422;
  --card-muted: #5F6664;

  --hero-bg: #1F2422;
  --hero-text: #F4F6F4;
  --hero-muted: #C2CAC6;
  --hero-frame: rgba(248,249,247,0.62);
  --hero-label: var(--sage);
  --hero-highlight: var(--sage);
  --hero-sec-text: #F4F6F4;
  --hero-sec-border: rgba(248,249,247,0.5);
  --hero-sec-hover: rgba(248,249,247,0.08);

  --cta-bg: #1F2422;
  --cta-text: #F4F6F4;
  --cta-muted: #C2CAC6;

  --footer-bg: #1F2422;
  --footer-text: #F8F9F7;
  --footer-muted: #9AA4A0;
  --footer-border: rgba(248,249,247,0.12);

  --nav-scrolled-bg: rgba(248,249,247,0.90);
  --nav-text: #1F2422;
  --nav-text-top: #F4F6F4;      /* hero is dark in akzente */
  --nav-border: #E5E8E6;

  --about-frame: var(--blue);
  --divider: #E5E8E6;
  --label-color: var(--sage-deep);

  --tag-text: #1F2422;
  --tag-border: #CBD6D1;
  --tag-hover-bg: #EBF0EE;

  --num-color: var(--plum);
  --link-color: var(--plum);

  --hero-slot-bg:
    repeating-linear-gradient(135deg, rgba(255,255,255,0.035) 0 2px, transparent 2px 11px),
    radial-gradient(120% 90% at 32% 22%, rgba(156,185,175,0.22), transparent 62%),
    linear-gradient(155deg, #2C3A34 0%, #24303A 55%, #2B2632 100%);
  --about-slot-bg:
    repeating-linear-gradient(135deg, rgba(255,255,255,0.05) 0 2px, transparent 2px 11px),
    radial-gradient(120% 90% at 70% 25%, rgba(255,255,255,0.16), transparent 60%),
    linear-gradient(155deg, #9DB1C0 0%, #8FA1AE 55%, #92ABA2 100%);
  --slot-text: rgba(244,246,244,0.62);
  --slot-line: rgba(244,246,244,0.42);
}

/* ---- durchgehend dunkel & atmosphärisch (Referenzbild) --------------- */
:root[data-mood="dunkel"] {
  --page-bg: #1C201E;
  --page-text: #F4F6F4;
  --page-muted: #A9B1AD;

  --alt-bg: #232926;
  --alt-text: #F4F6F4;
  --alt-muted: #A9B1AD;

  --card-bg: #262D2A;
  --card-border: rgba(244,246,244,0.12);
  --card-text: #F4F6F4;
  --card-muted: #A9B1AD;

  --hero-bg: transparent;
  --hero-text: #F4F6F4;
  --hero-muted: #A9B1AD;
  --hero-frame: rgba(244,246,244,0.55);
  --hero-label: var(--sage);
  --hero-highlight: var(--sage);
  --hero-sec-text: #F4F6F4;
  --hero-sec-border: rgba(244,246,244,0.45);
  --hero-sec-hover: rgba(244,246,244,0.07);

  --cta-bg: #232926;
  --cta-text: #F4F6F4;
  --cta-muted: #A9B1AD;

  --footer-bg: #141714;
  --footer-text: #F4F6F4;
  --footer-muted: #8C948F;
  --footer-border: rgba(244,246,244,0.10);

  --nav-scrolled-bg: rgba(28,32,30,0.90);
  --nav-text: #F4F6F4;
  --nav-text-top: #F4F6F4;
  --nav-border: rgba(244,246,244,0.10);

  --about-frame: rgba(244,246,244,0.5);
  --divider: rgba(244,246,244,0.12);
  --label-color: var(--sage);

  --tag-text: #F4F6F4;
  --tag-border: rgba(244,246,244,0.22);
  --tag-hover-bg: rgba(244,246,244,0.06);

  --num-color: var(--sage);
  --link-color: var(--sage);

  --hero-slot-bg:
    repeating-linear-gradient(135deg, rgba(255,255,255,0.035) 0 2px, transparent 2px 11px),
    radial-gradient(120% 90% at 30% 20%, rgba(156,185,175,0.20), transparent 62%),
    linear-gradient(155deg, #2C3A34 0%, #24303A 55%, #2B2632 100%);
  --about-slot-bg:
    repeating-linear-gradient(135deg, rgba(255,255,255,0.035) 0 2px, transparent 2px 11px),
    radial-gradient(120% 90% at 70% 25%, rgba(125,140,163,0.22), transparent 62%),
    linear-gradient(155deg, #2A3640 0%, #283230 55%, #2E2733 100%);
  --slot-text: rgba(244,246,244,0.6);
  --slot-line: rgba(244,246,244,0.4);
}

/* ============================================================================
   Base
   ============================================================================ */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--page-bg);
  color: var(--page-text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: var(--sage-30); color: var(--ink); }
img { max-width: 100%; display: block; }

.container { max-width: 1180px; margin: 0 auto; padding-inline: 40px; }
.measure { max-width: 64ch; }

@media (max-width: 680px) {
  .container { padding-inline: 22px; }
}

/* spaced-caps label */
.eyebrow {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--label-color);
  display: inline-flex;
  align-items: center;
  gap: 14px;
  white-space: nowrap;
}
.eyebrow::after {
  content: "";
  width: 42px;
  height: 1px;
  background: currentColor;
  opacity: 0.55;
}
.eyebrow.no-rule::after { display: none; }

/* thin divider rule */
.rule { width: 56px; height: 1px; background: var(--divider); border: 0; margin: 0; }

/* ---- buttons (mood-aware) -------------------------------------------- */
.btn {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 15px 28px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-decoration: none;
  line-height: 1;
  transition: background-color 170ms ease, color 170ms ease, border-color 170ms ease, transform 170ms ease;
  white-space: nowrap;
}
.btn--primary { background: var(--plum); color: var(--on-dark); }
.btn--primary:hover { background: var(--plum-hover); }
.btn--primary:active { transform: translateY(1px); }
.btn--secondary {
  background: transparent;
  color: var(--hero-sec-text);
  border-color: var(--hero-sec-border);
}
.btn--secondary:hover { background: var(--hero-sec-hover); }
.btn--block { width: 100%; }

/* ---- tags (Themen) --------------------------------------------------- */
.tag {
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--tag-text);
  border: 1px solid var(--tag-border);
  border-radius: var(--radius-sm);
  padding: 11px 18px;
  cursor: default;
  transition: background-color 220ms ease, color 220ms ease, border-color 220ms ease,
              transform 300ms cubic-bezier(0.22,0.61,0.36,1), box-shadow 300ms ease;
}
.tag:hover {
  background: var(--sage);
  color: var(--ink);
  border-color: var(--sage);
  transform: translateY(-5px);
  box-shadow: 0 14px 26px -8px rgba(31,36,34,0.28);
}
.no-anim .tag:hover { transform: none; }

/* ---- scroll reveal (gentle rise; opacity stays 1 so content is NEVER
   hidden even if the animation clock is frozen, e.g. offscreen iframes) -- */
.reveal {
  transform: translateY(18px);
  transition: transform 720ms cubic-bezier(0.22,0.61,0.36,1);
  will-change: transform;
}
.reveal.is-in { transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { transform: none; transition: none; }
}

/* ---- photo slot (offset-frame + atmospheric placeholder) ------------- */
image-slot { position: relative; z-index: 1; }
image-slot::part(frame) { background: var(--frame-fill, var(--about-slot-bg)); }
image-slot.hero-slot::part(frame) { background: var(--hero-slot-bg); }
image-slot.about-slot::part(frame) { background: var(--about-slot-bg); }

/* caption shown over the placeholder until a real photo is dropped */
.slot-caption {
  position: absolute;
  left: 16px;
  bottom: 14px;
  z-index: 3;
  pointer-events: none;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slot-text);
  display: flex;
  align-items: center;
  gap: 7px;
}
.slot-meta {
  position: absolute;
  right: 16px;
  top: 14px;
  z-index: 3;
  pointer-events: none;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slot-text);
  display: flex;
  align-items: center;
  gap: 6px;
}
