/* ==========================================================================
   Schriften (lokal eingebunden, keine Verbindung zu Google)
   Libre Franklin – SIL Open Font License
   ========================================================================== */
@font-face {
  font-family: "Libre Franklin";
  src: url("assets/fonts/libre-franklin-latin-wght.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Libre Franklin";
  src: url("assets/fonts/libre-franklin-latin-wght-italic.woff2") format("woff2");
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}

/* ==========================================================================
   Design Tokens
   ========================================================================== */
:root {
  color-scheme: light dark;

  /* Farben – Dunkelgrün als Hauptfarbe, Logo-Farben nur als Akzente */
  --color-primary: #3a6b38;          /* Flächen: Buttons, Kontaktbereich */
  --color-primary-dark: #2a4a28;
  --color-primary-text: #3a6b38;     /* Text: Überschriften, Links */
  --color-primary-contrast: #ffffff;
  --color-lime: #7dc400;
  --color-sky: #9adcec;
  --color-sun: #fff15a;
  --color-on-sun: #2b2f2a;           /* Text auf Gelb (Sticker, Platzhalter) */
  --color-text: #2b2f2a;
  --color-text-muted: #61665e;
  --color-bg: #ffffff;
  --color-bg-alt: #f6f4ee;           /* warmes Off-White */
  --color-border: #e4e0d6;
  --color-header-bg: rgb(255 255 255 / 0.95);
  --color-footer-bg: #2a4a28;
  --color-contact-bg: #3a6b38;
  --hero-dim: transparent;

  /* Typografie */
  --font-sans: "Libre Franklin", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-size-base: clamp(1.0625rem, 1rem + 0.25vw, 1.125rem); /* 17px mobil → 18px ab ca. 800px */
  --font-size-lead: clamp(1.125rem, 1rem + 0.5vw, 1.375rem);
  --font-size-h1: clamp(2.5rem, 1.6rem + 3.6vw, 4.75rem);
  --font-size-h2: clamp(1.875rem, 1.4rem + 1.6vw, 2.75rem);
  --font-size-h3: 1.25rem;
  --line-height: 1.7;

  /* Abstände & Layout */
  --space-xs: 0.5rem;
  --space-s: 1rem;
  --space-m: 1.5rem;
  --space-l: 3rem;
  --space-xl: clamp(4.5rem, 3rem + 6vw, 8rem);
  --container-width: 72rem;
  --radius: 0.25rem;
  --transition: 200ms ease;
}

/* Dark Theme – folgt der Systemeinstellung */
@media (prefers-color-scheme: dark) {
  :root {
    --color-primary-dark: #2f562d;
    --color-primary-text: #9fd27a;   /* helles Grün, gut lesbar auf Dunkel */
    --color-text: #e4e8e0;
    --color-text-muted: #a7afa2;
    --color-bg: #151915;
    --color-bg-alt: #1c211b;
    --color-border: #313830;
    --color-header-bg: rgb(21 25 21 / 0.92);
    --color-footer-bg: #0f120f;
    --color-contact-bg: #23391f;
    --hero-dim: rgb(0 0 0 / 0.25);   /* Foto etwas zurücknehmen */
  }
}

/* ==========================================================================
   Reset (modern, minimal)
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  min-height: 100dvh;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 {
  line-height: 1.15;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

strong {
  font-weight: 600;
}

ul[class] {
  list-style: none;
  padding: 0;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ==========================================================================
   Basis-Elemente
   ========================================================================== */
h1 {
  font-size: var(--font-size-h1);
  font-weight: 300;
  letter-spacing: -0.01em;
}

h1 strong {
  font-weight: 700;
}

/* Überschrift mit kurzem Akzentstrich */
h2 {
  margin-bottom: var(--space-l);
  font-size: var(--font-size-h2);
  font-weight: 300;
  color: var(--color-primary-text);
}

h2::after {
  content: "";
  display: block;
  width: 3.5rem;
  height: 3px;
  margin-top: var(--space-m);
  background-color: var(--color-lime);
}

h3 {
  margin-bottom: var(--space-s);
  font-size: var(--font-size-h3);
  font-weight: 600;
  color: var(--color-primary-text);
}

a {
  color: var(--color-primary-text);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.25em;
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 3px solid currentColor;
  outline-offset: 3px;
}

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
  width: min(100% - 2 * var(--space-m), var(--container-width));
  margin-inline: auto;
}

.container--narrow {
  width: min(100% - 2 * var(--space-m), 46rem);
}

.section {
  padding-block: var(--space-xl);
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.grid {
  display: grid;
  gap: var(--space-l) var(--space-xl);
}

/* max. 2 Spalten, darunter einspaltig */
.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, max(22rem, (100% - var(--space-xl)) / 2)), 1fr));
}

.grid--4 {
  gap: var(--space-m);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 24rem), 1fr));
  gap: var(--space-l) var(--space-xl);
  align-items: start;
}

/* ==========================================================================
   Typo-Bausteine
   ========================================================================== */
.statement {
  font-size: var(--font-size-lead);
  font-weight: 500;
  line-height: 1.5;
  color: var(--color-primary-text);
}

.statement--center {
  max-width: 40ch;
  margin: var(--space-xl) auto 0;
  font-size: clamp(1.375rem, 1.1rem + 1vw, 1.875rem);
  font-weight: 300;
  text-align: center;
}

.section-intro {
  margin-block: calc(-1 * var(--space-s)) var(--space-l);
  font-size: var(--font-size-lead);
  color: var(--color-text-muted);
}

.subhead {
  margin-block: var(--space-l) var(--space-m);
  font-size: var(--font-size-lead);
  font-weight: 500;
}

/* Liste mit kleinen Ringen – angelehnt an das Logo */
.check-list {
  display: grid;
  gap: 0.75rem;
}

.check-list li {
  position: relative;
  padding-left: 1.75rem;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 0.75em;
  height: 0.75em;
  border: 0.2em solid var(--color-lime);
  border-radius: 50%;
}

/* ==========================================================================
   Komponenten
   ========================================================================== */

/* Nur für Screenreader sichtbar */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* Skip-Link (Barrierefreiheit) */
.skip-link {
  position: absolute;
  top: var(--space-xs);
  left: var(--space-xs);
  z-index: 100;
  padding: var(--space-xs) var(--space-s);
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: none;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background-color: var(--color-header-bg);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xs) var(--space-l);
  padding-block: 1.25rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 300;
  text-decoration: none;
  color: var(--color-primary-text);
}

.logo strong {
  font-weight: 700;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-m);
}

.nav-list a {
  position: relative;
  display: inline-block;
  padding-block: 0.25rem;
  text-decoration: none;
  color: var(--color-text);
  transition: color var(--transition);
}

.nav-list a:hover,
.nav-list a[aria-current] {
  color: var(--color-primary-text);
}

/* Scroll-Fortschritt: Schiene + Füllung (wird per script.js eingefügt).
   Keine Transition – die Füllung folgt direkt der Scrollbewegung. */
.nav-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.15rem;
  height: 3px;
  background-color: var(--color-border);
}

.nav-progress span {
  display: block;
  height: 100%;
  background-color: var(--color-lime);
  transform: scaleX(0);
  transform-origin: left;
}

/* Hero */
.hero {
  display: grid;
  align-items: end;
  min-height: min(88dvh, 52rem);
  padding-block: var(--space-xl) var(--space-l);
  color: var(--color-primary-contrast);
  background:
    linear-gradient(var(--hero-dim), var(--hero-dim)),
    linear-gradient(to top, rgb(20 35 20 / 0.8), rgb(20 35 20 / 0.15) 65%, rgb(20 35 20 / 0.05)),
    url("assets/hero-donnersberg.jpg") center 60% / cover no-repeat;
  /* WebP für moderne Browser, ältere behalten das JPEG von oben */
  background-image:
    linear-gradient(var(--hero-dim), var(--hero-dim)),
    linear-gradient(to top, rgb(20 35 20 / 0.8), rgb(20 35 20 / 0.15) 65%, rgb(20 35 20 / 0.05)),
    image-set(url("assets/hero-donnersberg.webp") type("image/webp"), url("assets/hero-donnersberg.jpg") type("image/jpeg"));
}

.hero-inner {
  position: relative;
}

.hero h1 {
  max-width: 16ch;
  text-shadow: 0 2px 16px rgb(0 0 0 / 0.3);
}

.hero .lead {
  max-width: 46ch;
  margin-block: var(--space-m) var(--space-l);
  font-size: var(--font-size-lead);
}

/* Runder Sticker (Gründungsdatum) */
.sticker {
  display: grid;
  place-content: center;
  width: 8.5rem;
  aspect-ratio: 1;
  margin-bottom: var(--space-m);
  font-size: 0.95rem;
  line-height: 1.25;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-on-sun);
  background-color: var(--color-sun);
  border-radius: 50%;
  transform: rotate(-10deg);
  box-shadow: 0 4px 20px rgb(0 0 0 / 0.2);
}

.sticker strong {
  display: block;
  font-size: 1.15rem;
  font-weight: 700;
}

@media (min-width: 56em) {
  .sticker {
    position: absolute;
    right: 0;
    bottom: 100%;
    margin: 0;
  }
}

/* Buttons */
.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-s);
}

.button {
  display: inline-block;
  padding: 0.9em 2em;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-primary-contrast);
  background-color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius);
  transition: background-color var(--transition), color var(--transition);
}

.button:hover {
  background-color: var(--color-primary-dark);
}

.hero .button:not(.button--ghost) {
  color: var(--color-primary);
  background-color: var(--color-primary-contrast);
  border-color: var(--color-primary-contrast);
}

.hero .button:not(.button--ghost):hover {
  background-color: var(--color-bg-alt);
}

.button--ghost {
  color: var(--color-primary-contrast);
  background-color: transparent;
  border-color: currentColor;
}

.button--ghost:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-contrast);
}

/* Hero mobil: kompakter, Sticker schwebt rechts über der Überschrift */
@media (max-width: 40em) {
  .hero {
    min-height: min(70svh, 34rem);
    padding-block: 7rem var(--space-m);
  }

  .hero h1 {
    font-size: 2.125rem;
  }

  .hero .lead {
    margin-block: var(--space-s) var(--space-m);
    font-size: 1rem;
  }

  .sticker {
    position: absolute;
    right: 0;
    bottom: calc(100% + var(--space-s));
    width: 5.75rem;
    margin: 0;
    font-size: 0.7rem;
  }

  .sticker strong {
    font-size: 0.85rem;
  }

  .hero .button {
    padding: 0.75em 1.25em;
    font-size: 0.95rem;
  }

  .button-group {
    gap: var(--space-xs);
  }
}

/* Handys im Hochformat: zugeschnittenes Bild (nur der sichtbare Mittelteil) */
@media (max-width: 30em) {
  .hero {
    background-image:
      linear-gradient(var(--hero-dim), var(--hero-dim)),
      linear-gradient(to top, rgb(20 35 20 / 0.8), rgb(20 35 20 / 0.15) 65%, rgb(20 35 20 / 0.05)),
      image-set(url("assets/hero-donnersberg-mobile.webp") type("image/webp"), url("assets/hero-donnersberg.jpg") type("image/jpeg"));
  }
}

/* Logo in Vision-Sektion */
.split-logo {
  width: min(100%, 20rem);
  margin-top: var(--space-l);
}

/* Förderziele: schlichte Kacheln mit farbigem Ring */
.feature-list li {
  position: relative;
  padding: var(--space-l) var(--space-m) var(--space-m);
  font-size: 1.125rem;
  line-height: 1.5;
  background-color: var(--color-bg);
}

.feature-list li::before {
  content: "";
  position: absolute;
  top: var(--space-m);
  left: var(--space-m);
  width: 1rem;
  height: 1rem;
  border: 0.3rem solid var(--color-lime);
  border-radius: 50%;
}

.feature-list li:nth-child(2)::before { border-color: var(--color-sky); }
.feature-list li:nth-child(3)::before { border-color: #e8d630; } /* Gelb, für Weiß abgedunkelt */
.feature-list li:nth-child(4)::before { border-color: var(--color-primary-text); }

/* Card: flach, ohne Schatten */
.card {
  padding-top: var(--space-m);
  border-top: 1px solid var(--color-border);
}

.card--values {
  padding-top: 0;
  border-top: none;
}

.card--values h3 {
  font-size: 1.375rem;
  font-weight: 300;
}

.card--highlight {
  padding: var(--space-l);
  background-color: var(--color-bg-alt);
  border-top: 3px solid var(--color-lime);
}

.card--highlight .button {
  margin-top: var(--space-l);
}

.role-list {
  display: grid;
  gap: var(--space-s);
}

/* Zitat */
.quote {
  max-width: 52rem;
  margin: var(--space-xl) auto 0;
  padding-left: var(--space-l);
  border-left: 3px solid var(--color-sky);
}

.quote blockquote {
  font-size: clamp(1.125rem, 1rem + 0.5vw, 1.375rem);
  font-style: italic;
  font-weight: 300;
  line-height: 1.6;
}

.quote figcaption {
  margin-top: var(--space-m);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Organe (Linie oben kommt von .card) */
.organ h3 span {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

.people {
  margin-bottom: var(--space-m);
}

.people li {
  display: flex;
  justify-content: space-between;
  gap: var(--space-s);
  padding-block: 0.75rem;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
}

.people strong {
  font-weight: 500;
  color: var(--color-text);
}

.organ-tasks {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* Kontakt */
.section--contact {
  background-color: var(--color-contact-bg);
  color: var(--color-primary-contrast);
}

.section--contact h2 {
  color: var(--color-primary-contrast);
}

.section--contact h2::after {
  background-color: var(--color-sun);
}

.contact-card {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
  gap: var(--space-m);
  font-size: 1.125rem;
}

.contact-card address {
  font-style: normal;
}

.contact-list {
  display: grid;
  gap: var(--space-xs);
}

.section--contact a {
  color: var(--color-primary-contrast);
  text-decoration-color: var(--color-lime);
}

/* Footer */
.site-footer {
  padding-block: var(--space-l);
  background-color: var(--color-footer-bg);
  color: #d4dfcf;
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-s);
}

.footer-links {
  display: flex;
  gap: var(--space-m);
}

.site-footer a {
  color: inherit;
}

.footer-links [aria-current="page"] {
  font-weight: 600;
  text-decoration: none;
}

/* ==========================================================================
   Rechtsseiten (Impressum, Datenschutz)
   ========================================================================== */
.legal h1 {
  margin-bottom: var(--space-l);
  color: var(--color-primary-text);
}

.legal h2 {
  margin: var(--space-l) 0 var(--space-xs);
  font-size: 1.25rem;
  font-weight: 600;
}

.legal h2::after {
  display: none;
}

.legal p + p,
.legal ul + p,
.legal p + ul {
  margin-top: var(--space-s);
}

.legal-intro {
  font-size: var(--font-size-lead);
  color: var(--color-text-muted);
}

.legal-meta {
  margin-top: var(--space-l);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Platzhalter – vor dem Livegang ersetzen */
.todo {
  padding: 0 0.25em;
  color: var(--color-on-sun);
  background-color: var(--color-sun);
  border-radius: 0.2em;
}