:root {
  --green:      #2f7d4f;
  --green-dk:   #1f5c39;
  --green-lt:   #eaf5ee;
  --earth:      #7a5c3e;
  --tier:       #c2693b;
  --tier-lt:    #fbeee5;
  --konsum:     #7a5bb0;
  --konsum-lt:  #efeaf7;
  --mensch:     #2a7d9c;
  --mensch-lt:  #e5f1f6;
  --amber:      #e2952f;
  --ink:        #1d241f;
  --ink-soft:   #4c5a50;
  --paper:      #fbfaf6;
  --card:       #ffffff;
  --line:       #e3e6df;
  --shadow:     0 6px 24px rgba(30,50,35,.08);
  --radius:     16px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}
.wrap { width: 100%; max-width: 940px; margin: 0 auto; padding: 0 20px; }
a { color: var(--green-dk); }

/* ---------- Header ---------- */
.site-head {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
}
.head-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: flex; align-items: center; gap: 9px; text-decoration: none; color: var(--ink); font-weight: 800; }
.brand-leaf { font-size: 1.5rem; }
.brand-name { font-size: 1.2rem; letter-spacing: -.01em; }
.brand-name em { color: var(--green); font-style: normal; }
.nav { display: flex; align-items: center; gap: 18px; }
.nav a { text-decoration: none; color: var(--ink-soft); font-weight: 600; font-size: .95rem; }
.nav a:hover { color: var(--green); }
.nav .nav-muted { color: #9aa79e; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; border: 0; cursor: pointer;
  background: var(--green); color: #fff; font-weight: 700; font-size: 1rem;
  padding: 11px 20px; border-radius: 999px; text-decoration: none;
  transition: transform .05s ease, background .15s ease;
}
.btn:hover { background: var(--green-dk); }
.btn:active { transform: translateY(1px); }
.btn-lg { padding: 14px 28px; font-size: 1.05rem; }
.btn-sm { padding: 8px 16px; font-size: .9rem; }
.btn-ghost { background: transparent; color: var(--green-dk); box-shadow: inset 0 0 0 2px var(--green); }
.btn-ghost:hover { background: var(--green-lt); color: var(--green-dk); }
.btn-done { background: var(--tier); }
.btn-done:hover { background: #a5542d; }
.btn-danger { background: #b23b3b; }
.btn-danger:hover { background: #922f2f; }

/* ---------- Flash ---------- */
.flash { padding: 12px 16px; border-radius: 12px; margin: 18px 0; font-weight: 600; }
.flash-ok { background: var(--green-lt); color: var(--green-dk); }
.flash-error { background: #fdecea; color: #99312a; }

/* ---------- Hero ---------- */
.hero { text-align: center; padding: 62px 0 40px; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .8rem; font-weight: 700; color: var(--green); margin: 0 0 12px; }
.hero h1 { font-size: clamp(2.1rem, 6vw, 3.3rem); line-height: 1.08; margin: 0 0 18px; letter-spacing: -.02em; }
.hl { color: var(--green); }
.lede { font-size: 1.15rem; color: var(--ink-soft); max-width: 620px; margin: 0 auto 30px; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; padding: 30px 0; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; }
.step-num { width: 38px; height: 38px; border-radius: 50%; background: var(--green-lt); color: var(--green-dk); font-weight: 800; display: grid; place-items: center; margin-bottom: 14px; }
.step h3 { margin: 0 0 6px; font-size: 1.15rem; }
.step p { margin: 0; color: var(--ink-soft); }

/* ---------- Preview ---------- */
.preview { text-align: center; padding: 40px 0 70px; }
.preview h2 { font-size: 1.8rem; margin: 0 0 18px; letter-spacing: -.01em; }
.chips { display: flex; gap: 10px; justify-content: center; margin-bottom: 22px; }
.chip { padding: 6px 14px; border-radius: 999px; font-weight: 700; font-size: .9rem; }
.chip-umwelt { background: var(--green-lt); color: var(--green-dk); }
.chip-tier { background: var(--tier-lt); color: var(--tier); }
.samples { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; text-align: left; margin-bottom: 34px; }
.sample { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.sample p { margin: 12px 0 0; color: var(--ink); font-size: .98rem; }
.sample-tag { font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.tag-umwelt { color: var(--green); }
.tag-tier { color: var(--tier); }

/* ---------- Stufen (Landing) ---------- */
.stufen { padding: 20px 0 10px; text-align: center; }
.stufen h2 { font-size: 1.8rem; margin: 0 0 22px; letter-spacing: -.01em; }
.stufen-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; text-align: left; }
.stufe { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); border-top: 5px solid var(--line); }
.stufe-1 { border-top-color: #4aa564; }
.stufe-2 { border-top-color: var(--amber); }
.stufe-3 { border-top-color: var(--green-dk); }
.stufe-badge { display: inline-block; font-size: .72rem; font-weight: 800; color: #fff; padding: 3px 10px; border-radius: 7px; letter-spacing: .04em; margin-bottom: 10px; }
.stufe-1 .stufe-badge { background: #4aa564; }
.stufe-2 .stufe-badge { background: var(--amber); }
.stufe-3 .stufe-badge { background: var(--green-dk); }
.stufe h3 { margin: 0 0 6px; font-size: 1.2rem; }
.stufe p { margin: 0; color: var(--ink-soft); }

/* ---------- Orgs (Landing) ---------- */
.preview-lede { color: var(--ink-soft); margin: 0 0 18px; }
.orgs { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 34px; }
.org { background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px; font-weight: 600; font-size: .92rem; }

/* ---------- Auth / forms ---------- */
.auth { max-width: 460px; margin: 0 auto; padding: 48px 0 70px; }
.auth h1 { font-size: 2rem; margin: 0 0 6px; }
.auth-sub { color: var(--ink-soft); margin: 0 0 26px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); margin-bottom: 18px; }
.form { display: flex; flex-direction: column; gap: 16px; }
.form label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: .95rem; }
.form input[type=text], .form input[type=email], .form input[type=password] {
  padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 11px; font-size: 1rem; background: var(--paper);
}
.form input:focus { outline: none; border-color: var(--green); background: #fff; }
.check { flex-direction: row !important; align-items: center; gap: 10px; font-weight: 500; }
.check input { width: 18px; height: 18px; accent-color: var(--green); }
.email-time { display: flex; flex-direction: column; gap: 8px; background: var(--paper); border: 1px dashed var(--line); border-radius: 12px; padding: 14px 16px; }
.email-time label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: .95rem; }
.form select {
  padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 11px;
  font-size: 1rem; background: var(--card); color: var(--ink); font-weight: 600;
}
.form select:focus { outline: none; border-color: var(--green); }
.hint { color: var(--ink-soft); font-size: .85rem; margin: 0; }
.auth-alt { text-align: center; color: var(--ink-soft); }
.form h3 { margin: 0 0 4px; }
.danger { border-color: #f0d4d0; }
.muted { color: var(--ink-soft); font-size: .92rem; margin: 0 0 4px; }
.kv { display: flex; justify-content: space-between; margin: 0 0 10px; border-bottom: 1px dashed var(--line); padding-bottom: 10px; }
.kv:last-child { border-bottom: 0; margin-bottom: 0; padding-bottom: 0; }
.kv span { color: var(--ink-soft); }

/* ---------- Dashboard ---------- */
.dash { padding: 40px 0 70px; }
.dash-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; flex-wrap: wrap; margin-bottom: 28px; }
.dash-head h1 { font-size: 2rem; margin: 4px 0 0; }
.stats { display: flex; gap: 14px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 12px 18px; text-align: center; min-width: 92px; }
.stat-num { display: block; font-size: 1.7rem; font-weight: 800; color: var(--green); line-height: 1; }
.stat-lbl { font-size: .78rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .06em; }

.action-card {
  background: var(--card); border-radius: 22px; padding: 34px; box-shadow: var(--shadow);
  border: 1px solid var(--line); border-left: 8px solid var(--green); position: relative;
}
.action-card.is-tier { border-left-color: var(--tier); }
.action-card.is-konsum { border-left-color: var(--konsum); }
.action-card.is-mensch { border-left-color: var(--mensch); }
.action-top { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 14px; }
.action-icon { font-size: 2.6rem; line-height: 1; }
.action-tag { display: inline-block; font-weight: 800; font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--green); margin-bottom: 4px; }
.action-card.is-tier .action-tag { color: var(--tier); }
.action-card.is-konsum .action-tag { color: var(--konsum); }
.action-card.is-mensch .action-tag { color: var(--mensch); }
.action-card h2 { font-size: 1.6rem; margin: 0; letter-spacing: -.01em; }
.action-intro { font-size: 1.1rem; color: var(--ink-soft); margin: 0 0 22px; }

/* Stufen im Dashboard */
.levels-hint { font-weight: 700; color: var(--ink); margin: 0 0 12px; font-size: .98rem; }
.levels { display: grid; gap: 12px; margin-bottom: 26px; }
.level { border: 1px solid var(--line); border-radius: 14px; padding: 15px 18px; background: var(--paper); }
.level-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 7px; }
.level-badge { font-size: .72rem; font-weight: 800; color: #fff; padding: 3px 10px; border-radius: 7px; letter-spacing: .04em; }
.level-1 .level-badge { background: #4aa564; }
.level-2 .level-badge { background: var(--amber); }
.level-3 .level-badge { background: var(--green-dk); }
.level-label { font-weight: 700; }
.level-time { color: var(--ink-soft); font-size: .85rem; font-variant-numeric: tabular-nums; }
.level-check {
  margin-left: auto; width: 26px; height: 26px; border-radius: 50%;
  border: 2px solid var(--line); background: var(--card); color: transparent;
  display: grid; place-items: center; font-weight: 800; flex-shrink: 0;
  transition: all .12s ease;
}
.level-text { margin: 0; color: var(--ink); }
.level-link { display: inline-block; margin-top: 9px; font-weight: 700; text-decoration: none; color: var(--green-dk); }
.level-link:hover { text-decoration: underline; }

/* Wählbare Stufen (Radio-Karten) */
.level-select { cursor: pointer; position: relative; transition: border-color .12s ease, box-shadow .12s ease, background .12s ease; }
.level-select input { position: absolute; opacity: 0; width: 0; height: 0; }
.level-select:hover { border-color: #bcd4c4; }
.level-select:has(input:checked) {
  border-color: var(--green);
  background: var(--green-lt);
  box-shadow: 0 0 0 2px var(--green);
}
.level-select:has(input:checked) .level-check {
  background: var(--green); border-color: var(--green); color: #fff;
}
.done-badge { background: var(--green-lt); color: var(--green-dk); font-weight: 800; padding: 14px 18px; border-radius: 12px; display: inline-block; }
.next-hint { color: var(--ink-soft); margin: 14px 0 0; font-size: .95rem; }
.dash-links { margin-top: 24px; }
.dash-links a { font-weight: 700; text-decoration: none; }

/* ---------- History ---------- */
.hist { padding: 40px 0 70px; }
.hist h1 { font-size: 2rem; margin: 0 0 6px; }
.timeline { list-style: none; padding: 0; margin: 24px 0 0; }
.tl-item { display: flex; align-items: center; gap: 14px; background: var(--card); border: 1px solid var(--line); border-left: 6px solid var(--green); border-radius: 12px; padding: 14px 18px; margin-bottom: 10px; }
.tl-item.is-tier { border-left-color: var(--tier); }
.tl-item.is-konsum { border-left-color: var(--konsum); }
.tl-item.is-mensch { border-left-color: var(--mensch); }
.tl-date { font-variant-numeric: tabular-nums; color: var(--ink-soft); font-size: .9rem; min-width: 92px; }
.tl-tag { font-size: 1.2rem; }
.tl-title { font-weight: 600; }
.tl-level { margin-left: auto; font-size: .72rem; font-weight: 800; color: var(--green-dk); background: var(--green-lt); padding: 3px 9px; border-radius: 999px; white-space: nowrap; }
.empty { text-align: center; color: var(--ink-soft); }

/* ---------- Footer ---------- */
.site-foot { border-top: 1px solid var(--line); padding: 30px 0; margin-top: 30px; text-align: center; color: var(--ink-soft); }
.site-foot p { margin: 4px 0; font-size: .9rem; }
.foot-muted { color: #9aa79e; }

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .steps, .samples, .stufen-grid { grid-template-columns: 1fr; }
  .action-icon { font-size: 2rem; }
  .dash-head { flex-direction: column; align-items: flex-start; }
  .nav { gap: 12px; }
  .nav a:not(.btn) { font-size: .9rem; }
}

/* ---------- Dark mode ---------- */
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8ede8; --ink-soft: #a7b3aa; --paper: #14181500; --card: #1c211d;
    --line: #2c332d; --green-lt: #1e2f24; --tier-lt: #2e211a; --paper: #12160f;
    --shadow: 0 6px 24px rgba(0,0,0,.35);
  }
  body { background: #12160f; }
  .form input { background: #171b16; color: var(--ink); }
  .form input:focus { background: #1c211d; }
  .flash-error { background: #3a1f1c; color: #f0b7b0; }
}