/* =========================================================
   Naturfreunde Heede e.V. – Design v3
   Hell · frisch · luftig: viel Weißraum, sanfte Grün- und
   Blütentöne, große abgerundete Fotos, freundliche Formen.
   Reines HTML/CSS, ein kleines JS nur fürs mobile Menü.
   ========================================================= */

:root {
  color-scheme: light;

  --bg:          #ffffff;
  --bg-green:    #f1f8f0;   /* zarter Wiesenton */
  --bg-peach:    #fdf5ec;   /* zarter Sonnenton */

  --ink:         #2b3a2f;
  --ink-soft:    #5d6b60;

  --green:       #4c9a5a;
  --green-deep:  #3c7f49;
  --green-pale:  #e4f2e3;
  --sky:         #5aa7cf;
  --sky-pale:    #e3f0f7;
  --pink:        #dd7fae;
  --pink-pale:   #fae5f0;
  --sun:         #eeb63f;
  --sun-pale:    #fdeec6;

  --line:        #e8efe6;

  --radius:      24px;
  --radius-sm:   16px;
  --shadow:      0 22px 46px -22px rgba(43, 58, 47, 0.22);
  --shadow-sm:   0 12px 26px -16px rgba(43, 58, 47, 0.20);

  --font-head: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-body: "Mulish", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --wrap: 1140px;
  --pad: clamp(1.25rem, 5vw, 3rem);
}

/* ---------- Basis ---------- */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.075rem);
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--green-deep); }

h1, h2, h3 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--ink);
  text-wrap: balance;
}

p { margin: 0 0 1.1rem; }
p:last-child { margin-bottom: 0; }

.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.skip-link {
  position: absolute;
  left: 1rem; top: -3.5rem;
  background: var(--green);
  color: #fff;
  font-weight: 700;
  padding: 0.65rem 1.1rem;
  border-radius: 999px;
  z-index: 100;
  transition: top 0.2s;
}
.skip-link:focus { top: 1rem; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 74px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--font-head);
  font-weight: 700;
}
.brand-mark { width: 40px; height: 40px; flex: none; }
.brand-mark svg { width: 100%; height: 100%; }
.brand-name { font-size: 1rem; line-height: 1.15; }
.brand-name span {
  display: block;
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: clamp(0.4rem, 1.6vw, 1.4rem);
  list-style: none;
  margin: 0; padding: 0;
}
.site-nav a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  transition: background-color 0.15s, color 0.15s;
}
.site-nav a:hover { background: var(--green-pale); color: var(--green-deep); }
.site-nav .nav-cta {
  background: var(--green);
  color: #fff;
}
.site-nav .nav-cta:hover { background: var(--green-deep); color: #fff; }

.nav-toggle {
  display: none;
  width: 46px; height: 46px;
  background: var(--green-pale);
  border: 0;
  border-radius: 14px;
  cursor: pointer;
  position: relative;
}
.nav-toggle-bar,
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  content: "";
  position: absolute;
  left: 50%; width: 20px; height: 2.5px;
  border-radius: 2px;
  background: var(--green-deep);
  transform: translateX(-50%);
  transition: transform 0.22s ease, opacity 0.22s ease;
}
.nav-toggle-bar { top: 50%; margin-top: -1px; }
.nav-toggle-bar::before { top: -7px; }
.nav-toggle-bar::after  { top: 7px; }
body.nav-open .nav-toggle-bar { background: transparent; }
body.nav-open .nav-toggle-bar::before { top: 0; transform: translateX(-50%) rotate(45deg); }
body.nav-open .nav-toggle-bar::after  { top: 0; transform: translateX(-50%) rotate(-45deg); }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(38% 40% at 88% 8%, rgba(238, 182, 63, 0.16), transparent 70%),
    radial-gradient(40% 44% at 6% 4%, rgba(221, 127, 174, 0.12), transparent 70%),
    radial-gradient(46% 50% at 96% 96%, rgba(90, 167, 207, 0.12), transparent 70%),
    var(--bg);
}
.hero-grid {
  display: block;
  padding-block: clamp(3rem, 8vw, 5.5rem);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--green-deep);
  background: var(--green-pale);
  padding: 0.4rem 0.95rem;
  border-radius: 999px;
  margin: 0 0 1.4rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 1.5rem + 4.4vw, 4.3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 1.3rem;
}
.hl {
  position: relative;
  white-space: nowrap;
  z-index: 0;
}
.hl::after {
  content: "";
  position: absolute;
  left: -0.12em; right: -0.12em;
  bottom: 0.06em;
  height: 0.42em;
  background: var(--sun-pale);
  border-radius: 999px;
  z-index: -1;
}

.lead {
  font-size: clamp(1.08rem, 1rem + 0.5vw, 1.28rem);
  color: var(--ink-soft);
  max-width: 40rem;
  margin: 0 0 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  padding: 0.9rem 1.7rem;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, background-color 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-primary {
  background: var(--green);
  color: #fff;
  box-shadow: 0 14px 28px -14px rgba(76, 154, 90, 0.7);
}
.btn-primary:hover { background: var(--green-deep); }
.btn-ghost {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--green); color: var(--green-deep); }

.hero-media {
  position: relative;
  margin: clamp(2.5rem, 6vw, 3.5rem) 0 0;
}
.hero-media img {
  width: 100%;
  aspect-ratio: 16 / 8;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero-badge {
  position: absolute;
  left: -18px;
  bottom: -18px;
  width: clamp(84px, 12vw, 116px);
  height: clamp(84px, 12vw, 116px);
  background: #fff;
  border-radius: 50%;
  display: grid;
  place-items: center;
  padding: 16px;
  box-shadow: var(--shadow-sm);
  animation: bob 6s ease-in-out infinite;
}
@keyframes bob {
  0%, 100% { transform: translateY(0) rotate(-4deg); }
  50%      { transform: translateY(-10px) rotate(3deg); }
}

/* ---------- Kurz-Fakten ---------- */

.stats {
  padding-block: clamp(2rem, 5vw, 3.5rem);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 3vw, 2.5rem);
}
.stat {
  background: var(--bg-green);
  border-radius: var(--radius-sm);
  padding: 1.5rem 1.6rem;
}
.stat-num {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.7rem, 1.3rem + 1.6vw, 2.3rem);
  color: var(--green-deep);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.stat-label {
  font-size: 0.95rem;
  color: var(--ink-soft);
}

/* ---------- Sektionen ---------- */

.section {
  padding-block: clamp(3.5rem, 9vw, 6.5rem);
}
.section-green { background: var(--bg-green); }
.section-peach { background: var(--bg-peach); }

.section-head {
  max-width: 40rem;
  margin-bottom: clamp(2rem, 5vw, 3.25rem);
}
.kicker {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green);
  margin: 0 0 0.6rem;
}
.section h2 {
  font-size: clamp(1.8rem, 1.3rem + 2.4vw, 2.8rem);
  font-weight: 700;
}

/* Zweispaltiges Text/Bild-Layout */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 4.5rem);
  align-items: center;
}
.split-text h2 { margin-bottom: 1.1rem; }
.split-text p { color: var(--ink-soft); }
.split-media { margin: 0; }
.split-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.split-media figcaption {
  margin-top: 0.85rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
}
@media (min-width: 861px) {
  .split-reverse .split-media { order: -1; }
}

.quote-text {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.5rem, 1.1rem + 2.4vw, 2.4rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 1rem;
}
.quote-sub {
  font-size: 1.05rem;
  color: var(--ink-soft);
  margin: 0;
}

/* ---------- Projekt-Karten ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.6rem, 3vw, 2.1rem);
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card-icon {
  display: grid;
  place-items: center;
  width: 56px; height: 56px;
  border-radius: 18px;
  margin-bottom: 1.1rem;
}
.card-icon svg { width: 28px; height: 28px; }
.icon-green { background: var(--green-pale); color: var(--green-deep); }
.icon-sky   { background: var(--sky-pale);   color: var(--sky); }
.icon-pink  { background: var(--pink-pale);  color: var(--pink); }
.card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}
.card p { color: var(--ink-soft); font-size: 0.97rem; }

/* ---------- Schritte ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1rem, 2.6vw, 1.6rem);
}
.step {
  background: var(--bg-green);
  border-radius: var(--radius);
  padding: 1.6rem 1.5rem 1.8rem;
}
.step-num {
  display: grid;
  place-items: center;
  width: 2.6rem; height: 2.6rem;
  background: #fff;
  color: var(--green-deep);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.15rem;
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1rem;
}
.step h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.45rem; }
.step p { color: var(--ink-soft); font-size: 0.95rem; }

.center-note {
  margin-top: 2.25rem;
  text-align: center;
  color: var(--ink-soft);
}
.center-note a { font-weight: 700; }

/* ---------- Panels (Spenden / Kontakt) ---------- */

.panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.6rem, 4vw, 2.4rem);
  box-shadow: var(--shadow-sm);
}

.donate-box h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
}
.donate-box dl { margin: 0; display: grid; gap: 0.9rem; }
.donate-box dl > div {
  display: grid;
  gap: 0.15rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line);
}
.donate-box dl > div:last-child { border-bottom: 0; padding-bottom: 0; }
.donate-box dt {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 700;
}
.donate-box dd { margin: 0; font-weight: 600; }
.mono {
  font-family: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  letter-spacing: 0.02em;
  font-weight: 500 !important;
}

.contact-list {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.contact-list li {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 1rem;
  padding-block: 0.95rem;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.contact-label {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 700;
}
.contact-list a { font-weight: 700; }

.cta-card {
  background: var(--bg-green);
  border-color: transparent;
}
.cta-card p { color: var(--ink-soft); margin-bottom: 1.5rem; }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--bg-green);
  border-top: 1px solid var(--line);
  padding-block: clamp(2.75rem, 6vw, 4rem);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem 3rem;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.02rem;
}
.footer-brand .brand-mark { width: 36px; height: 36px; }
.footer-impressum { grid-row: span 2; }
.footer-impressum h2 {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 0.8rem;
}
.footer-impressum p {
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin-bottom: 0.85rem;
}
.footer-copy {
  align-self: end;
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 0;
}

/* ---------- Responsive ---------- */

@media (max-width: 940px) {
  .cards { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .site-nav {
    position: fixed;
    inset: 74px 0 auto 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
    transform: translateY(-130%);
    transition: transform 0.28s ease;
    z-index: 40;
  }
  body.nav-open .site-nav { transform: translateY(0); }
  .site-nav ul { flex-direction: column; align-items: stretch; gap: 0.25rem; padding: 0.75rem var(--pad) 1.25rem; }
  .site-nav a { display: block; padding: 0.85rem 1rem; }
  .site-nav .nav-cta { text-align: center; }
  .nav-toggle { display: block; }

  .hero-media img { aspect-ratio: 4 / 3; }
  .stats-grid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .split-media { max-width: 34rem; }
}

@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-impressum { grid-row: auto; }
  .contact-list li { grid-template-columns: 1fr; gap: 0.15rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}