@font-face {
  font-family: "Hanken Grotesk"; font-style: normal; font-weight: 100 900;
  font-display: swap; src: url(/fonts/hanken.woff2) format("woff2");
}

/* Farben aus dem Logo. Tannengruen #1B5E40 traegt Vertrauen: Schrift,
   Ueberschriften, Knoepfe, linker Bogen im Signet. Orange #EA580C traegt
   das Geben: rechter Bogen, Punkte, Chips, Hervorhebungen. Die Sektionen
   wechseln Weiss mit vier Orange-Stufen, die nach unten kraeftiger werden. */
:root {
  color-scheme: light dark;
  --gruen: #1B5E40;
  --gold: #EA580C;
  --bg: #FFFFFF;
  --bg-soft: #FFF8F1;
  --surface: #FFFFFF;
  --line: #EFE0D2;
  --ink: #1B5E40;
  --body: #3C5F4E;
  --muted: #6B8578;
  --faint: #9AB0A5;
  --accent: #B5390A;
  --accent-soft: #FFEEDF;
  --pill: #1B5E40;
  --on-pill: #FFFFFF;
  --or1: #FFF8F1;
  --or2: #FFEEDF;
  --or3: #FFE4CC;
  --or4: #FFD9B8;
  --band-bg: var(--or2);
  --band-surface: #FFFFFF;
  --band-line: #F3D9C0;
  --band-text: #1B5E40;
  --band-body: #3C5F4E;
  --band-accent: #EA580C;
  --logo-ink: #1B5E40;
  --page: 1160px;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(27,94,64,.06), 0 12px 40px rgba(27,94,64,.12);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0B1A13; --bg-soft: #14211B; --surface: #15301F; --line: #26452F;
    --ink: #E8F1EC; --body: #B9CFC2; --muted: #86A392; --faint: #5F7A6B;
    --accent: #FB923C; --accent-soft: #3A2210;
    --pill: #E8F1EC; --on-pill: #1B5E40;
    --or1: #14211B; --or2: #1C241B; --or3: #24261A; --or4: #2C2819;
    --band-bg: var(--or2); --band-surface: #15301F; --band-line: #3A3A26;
    --band-text: #E8F1EC; --band-body: #B9CFC2; --band-accent: #FB923C;
    --logo-ink: #E8F1EC;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 12px 40px rgba(0,0,0,.5);
  }
}
:root[data-theme="dark"] {
  --bg: #0B1A13; --bg-soft: #14211B; --surface: #15301F; --line: #26452F;
  --ink: #E8F1EC; --body: #B9CFC2; --muted: #86A392; --faint: #5F7A6B;
  --accent: #FB923C; --accent-soft: #3A2210;
  --pill: #E8F1EC; --on-pill: #1B5E40;
  --or1: #14211B; --or2: #1C241B; --or3: #24261A; --or4: #2C2819;
  --band-bg: var(--or2); --band-surface: #15301F; --band-line: #3A3A26;
  --band-text: #E8F1EC; --band-body: #B9CFC2; --band-accent: #FB923C;
  --logo-ink: #E8F1EC;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 12px 40px rgba(0,0,0,.5);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; overflow-x: clip; }
::selection { background: var(--gold); color: #fff; }
body {
  margin: 0; overflow-x: clip;
  background: var(--bg); color: var(--ink);
  font: 400 17px/1.6 "Hanken Grotesk", Inter, system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { margin: 0; letter-spacing: -0.03em; line-height: 1.05; text-wrap: balance; }
a { color: inherit; }
.wrap { max-width: var(--page); margin: 0 auto; padding-inline: 24px; }

/* --- Kopfzeile --- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(12px) saturate(160%);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand {
  display: inline-flex; align-items: baseline; text-decoration: none;
  font-weight: 700; font-size: 22px; letter-spacing: -0.045em; line-height: 1;
  color: var(--logo-ink); white-space: nowrap;
}
.brand .signet { width: .58em; height: .58em; margin: 0 .01em 0 .02em; align-self: baseline; transform: translateY(.02em); --blau: var(--logo-ink); }
.brand.sm { font-size: 20px; }

.nav-links { display: none; align-items: center; gap: 4px; margin-left: 8px; }
.nav-links > a, .has-menu > button {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 8px 12px; border-radius: 8px; border: 0; background: none;
  font: inherit; font-size: 15px; font-weight: 500; color: var(--body);
  text-decoration: none; cursor: pointer;
}
.nav-links > a:hover, .nav-links > a[aria-current="page"], .has-menu > button:hover, .has-menu[data-open="true"] > button { color: var(--ink); background: var(--bg-soft); }
.has-menu { position: relative; }
.has-menu > button svg.caret { width: 12px; height: 12px; transition: transform .15s ease; }
.has-menu[data-open="true"] > button svg.caret { transform: rotate(180deg); }
.menu {
  position: absolute; top: calc(100% + 8px); left: 0; z-index: 60;
  min-width: 300px; padding: 8px;
  border: 1px solid var(--line); border-radius: 14px; background: var(--surface);
  box-shadow: var(--shadow); display: none;
}
.menu::before { content: ""; position: absolute; left: 0; right: 0; top: -12px; height: 12px; }
.menu.wide { min-width: 560px; display: none; grid-template-columns: 1fr 1fr; }
.has-menu[data-open="true"] > .menu { display: block; }
.has-menu[data-open="true"] > .menu.wide { display: grid; }
@media (hover: hover) { .has-menu:hover > .menu { display: block; } .has-menu:hover > .menu.wide { display: grid; } }
.menu a, .menu button.opt { display: flex; align-items: flex-start; gap: 12px; width: 100%; padding: 10px 12px; border-radius: 9px; border: 0; background: none; font: inherit; text-align: left; text-decoration: none; cursor: pointer; }
.menu a:hover, .menu button.opt:hover { background: var(--bg-soft); }
.menu a b, .menu button.opt b { display: block; font-size: 15px; font-weight: 600; color: var(--ink); }
.menu a span, .menu button.opt span { display: block; margin-top: 2px; font-size: 13px; line-height: 1.4; color: var(--muted); }
.menu .group { padding: 6px 12px 4px; font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--faint); }
.menu a .ic, .mobile a .ic, .menu button.opt .ic {
  width: 34px; height: 34px; flex: none; margin: 0; border-radius: 10px;
  display: grid; place-items: center;
  background: var(--bg-soft); color: var(--ink); border: 1px solid var(--line);
}
.ic svg { width: 17px; height: 17px; display: block; }
.menu a:hover .ic, .mobile a:hover .ic, .menu button.opt:hover .ic { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.has-menu.lang > .menu { left: auto; right: 0; min-width: 200px; }
.has-menu.lang > button svg.globe { width: 16px; height: 16px; }
.menu button.opt { align-items: center; }
.menu button.opt .check { margin-left: auto; width: 16px; height: 16px; color: var(--accent); visibility: hidden; }
.menu button.opt[aria-checked="true"] .check { visibility: visible; }
.menu button.opt[aria-checked="true"] b { color: var(--accent); }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.nav-right .has-menu { display: none; }
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  border-radius: 999px; padding: 10px 18px;
  background: var(--pill); color: var(--on-pill);
  font-size: 15px; font-weight: 600; text-decoration: none; white-space: nowrap;
  transition: transform .15s ease, opacity .15s ease;
}
.pill:hover { transform: translateY(-1px); opacity: .92; }
.pill.lg { padding: 15px 26px; font-size: 17px; }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; color: var(--ink); text-decoration: none; }
.link-arrow:hover { color: var(--accent); }
.schema, .burger {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--surface); color: var(--muted); cursor: pointer; padding: 0;
}
.schema:hover, .burger:hover { color: var(--ink); }
.schema svg, .burger svg { width: 17px; height: 17px; }
.burger { color: var(--ink); }
.schema .zu-hell { display: none; }
:root[data-theme="dark"] .schema .zu-hell { display: block; }
:root[data-theme="dark"] .schema .zu-dunkel { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .schema .zu-hell { display: block; }
  :root:not([data-theme="light"]) .schema .zu-dunkel { display: none; }
}
.burger .zu { display: none; }
body[data-menu="open"] .burger .auf { display: none; }
body[data-menu="open"] .burger .zu { display: block; }
.mobile { display: none; border-top: 1px solid var(--line); background: var(--bg); padding: 12px 0 20px; }
body[data-menu="open"] .mobile { display: block; }
.mobile .group { padding: 14px 24px 6px; font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--faint); }
.mobile a { display: flex; align-items: center; gap: 12px; padding: 8px 24px; font-size: 16px; font-weight: 500; color: var(--ink); text-decoration: none; }
.mobile a:hover { background: var(--bg-soft); }
.mobile a .ic { width: 30px; height: 30px; border-radius: 8px; }
.mobile a .ic svg { width: 15px; height: 15px; }
.mobile .langs { display: flex; gap: 8px; padding: 6px 24px 0; }
.mobile .langs button { flex: 1; padding: 9px 0; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); font: inherit; font-size: 14px; font-weight: 600; color: var(--body); cursor: pointer; }
.mobile .langs button[aria-checked="true"] { background: var(--pill); color: var(--on-pill); border-color: var(--pill); }
.mobile .pill { margin: 16px 24px 0; }
@media (min-width: 900px) { .nav-links { display: flex; } .nav-right .has-menu { display: block; } .burger, .mobile { display: none !important; } }

/* --- Held --- */
.hero { text-align: center; padding: 96px 0 40px; }
.hero.slim { padding: 72px 0 24px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--line); border-radius: 999px; background: var(--surface);
  padding: 6px 14px; font-size: 14px; font-weight: 600; color: var(--body);
}
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); }
h1 { margin: 26px auto 0; max-width: 14em; font-size: clamp(42px, 7.2vw, 84px); font-weight: 800; letter-spacing: -0.045em; line-height: .98; }
.hero.slim h1 { font-size: clamp(38px, 6vw, 68px); }
.lede { margin: 26px auto 0; max-width: 38em; font-size: clamp(18px, 2vw, 21px); line-height: 1.55; color: var(--body); text-wrap: pretty; }
.hero-cta { margin-top: 34px; display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 18px; }
.hero-note { margin-top: 16px; font-size: 14px; color: var(--faint); }

.frame { margin: 64px auto 0; max-width: 1040px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); box-shadow: var(--shadow); overflow: hidden; }
.frame-bar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--bg-soft); }
.frame-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line); display: block; }
.frame-bar .url { margin-left: 10px; flex: 1; font-size: 13px; color: var(--muted); text-align: center; }
.frame-bar a { font-size: 13px; font-weight: 600; color: var(--accent); text-decoration: none; }
.frame iframe { display: block; width: 100%; height: 560px; border: 0; background: var(--bg-soft); }
@media (max-width: 719px) { .frame iframe { height: 420px; } }

.proof { text-align: center; padding: 36px 0 8px; font-size: 16px; color: var(--muted); }
.proof strong { color: var(--ink); font-weight: 600; }

/* --- Abschnitte --- */
section { padding: 96px 0; }
.or1 { background: var(--or1); }
.or2 { background: var(--or2); }
.or3 { background: var(--or3); }
.or4 { background: var(--or4); }
.or1, .or2, .or3, .or4 { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.or1 .visual, .or3 .chip, .or3 .card, .or1 .card { background: var(--surface); }
.head { max-width: 40em; margin: 0 auto 48px; text-align: center; }
.head.left { margin-left: 0; text-align: left; }
.kicker { font-size: 14px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--accent); }
h2 { margin-top: 14px; font-size: clamp(32px, 4.6vw, 52px); font-weight: 800; letter-spacing: -0.04em; }
.section-lede { margin: 16px auto 0; max-width: 34em; font-size: 18px; line-height: 1.55; color: var(--body); text-wrap: pretty; }
.head.left .section-lede { margin-left: 0; }

.feature { display: grid; gap: 40px; align-items: center; padding: 32px 0; }
@media (min-width: 900px) { .feature { grid-template-columns: 1fr 1fr; gap: 72px; padding: 48px 0; } .feature.flip > .feature-text { order: 2; } }
.feature .verb { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.feature .verb i { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); }
.feature h3 { font-size: clamp(28px, 3.4vw, 40px); font-weight: 800; letter-spacing: -0.035em; }
.feature p { margin: 16px 0 0; font-size: 18px; line-height: 1.55; color: var(--body); text-wrap: pretty; }
.feature .link-arrow { margin-top: 22px; }
.visual { border: 1px solid var(--line); border-radius: 18px; background: var(--surface); box-shadow: var(--shadow); padding: 22px; min-height: 300px; display: flex; flex-direction: column; justify-content: center; gap: 12px; }
.row { display: flex; align-items: center; gap: 14px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg); }
.row .avatar { width: 38px; height: 38px; border-radius: 50%; flex: none; background: var(--accent-soft); display: grid; place-items: center; font-weight: 700; color: var(--accent); font-size: 14px; }
.row .txt { flex: 1; min-width: 0; }
.row .txt b { display: block; font-size: 15px; }
.row .txt span { display: block; font-size: 13px; color: var(--muted); }
.row .tag { font-size: 12px; font-weight: 700; padding: 5px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); white-space: nowrap; }
.row .tag.grey { background: var(--bg-soft); color: var(--muted); }
.row .tag.green { background: var(--gruen); color: #fff; }
.stack-note { font-size: 13px; color: var(--faint); text-align: center; margin-top: 4px; }

.cards { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 640px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .cards { grid-template-columns: repeat(3, 1fr); } .cards.four { grid-template-columns: repeat(4, 1fr); } }
.card { border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius); padding: 28px; }
.card.tight { padding: 22px; }
.card .num { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--ink); color: var(--bg); font-weight: 800; font-size: 15px; margin-bottom: 18px; }
.card .code { display: inline-block; font-family: ui-monospace, Consolas, monospace; font-size: 12.5px; font-weight: 600; padding: 4px 9px; border-radius: 7px; background: var(--accent-soft); color: var(--accent); margin-bottom: 14px; }
.card h3 { font-size: 21px; font-weight: 700; letter-spacing: -0.02em; }
.card.tight h3 { font-size: 18px; }
.card p { margin: 8px 0 0; font-size: 15.5px; line-height: 1.55; color: var(--body); }
.card.tight p { font-size: 14.5px; }

.band { background: var(--band-bg); color: var(--band-text); padding: 96px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.band .big { font-size: clamp(44px, 8vw, 96px); font-weight: 800; letter-spacing: -0.05em; line-height: .95; max-width: 12em; }
.band .big em { font-style: normal; color: var(--band-accent); }
.band p { margin: 22px 0 0; max-width: 34em; font-size: 19px; line-height: 1.55; color: var(--band-body); text-wrap: pretty; }
.band-grid { display: grid; gap: 40px; align-items: end; }
@media (min-width: 900px) { .band-grid { grid-template-columns: 1.2fr .8fr; gap: 72px; } }
.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.fact { border: 1px solid var(--band-line); background: var(--band-surface); border-radius: 12px; padding: 18px 16px; }
.fact b { display: block; font-size: 28px; font-weight: 800; letter-spacing: -0.03em; }
.fact span { display: block; margin-top: 4px; font-size: 13px; color: var(--band-body); }

.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 8px; }
.chip { border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 10px 18px; font-size: 15px; font-weight: 600; color: var(--ink); }
.chip::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--gold); margin-right: 9px; vertical-align: 1px; }

/* Schritte (Matching) */
.steps { display: grid; gap: 16px; }
@media (min-width: 800px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step { position: relative; border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius); padding: 26px 24px 24px; }
.step .n { position: absolute; top: -14px; left: 22px; width: 28px; height: 28px; border-radius: 50%; background: var(--gold); color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 13px; }
.step h3 { font-size: 19px; font-weight: 700; margin-top: 4px; }
.step p { margin: 8px 0 0; font-size: 15px; line-height: 1.55; color: var(--body); }
.step code { font-family: ui-monospace, Consolas, monospace; font-size: 13px; background: var(--accent-soft); color: var(--accent); padding: 2px 6px; border-radius: 6px; }

/* Kreislauf-Bild */
.flow { display: grid; gap: 32px; align-items: center; }
@media (min-width: 900px) { .flow { grid-template-columns: 1fr 1fr; gap: 56px; } }
.diagram { width: 100%; max-width: 760px; margin: 0 auto; display: block; }
.diagram .ring { fill: none; stroke: var(--line); stroke-width: 2; }
.diagram .arc { fill: none; stroke: var(--gold); stroke-width: 4; stroke-linecap: round; stroke-dasharray: 10 12; animation: fliessen 2.4s linear infinite; }
.diagram .chord { fill: none; stroke: var(--gruen); stroke-width: 4; stroke-linecap: round; stroke-dasharray: 10 12; animation: fliessen 2.4s linear infinite; }
.diagram .spoke { fill: none; stroke: var(--line); stroke-width: 2; stroke-dasharray: 3 7; }
@media (prefers-reduced-motion: reduce) { .diagram .arc, .diagram .chord { animation: none; } }
@keyframes fliessen { to { stroke-dashoffset: -44; } }
.diagram .node circle { fill: var(--surface); stroke: var(--gruen); stroke-width: 3; }
.diagram .node.orange circle { stroke: var(--gold); }
.diagram .node text { font: 700 17px "Hanken Grotesk", system-ui, sans-serif; fill: var(--ink); text-anchor: middle; }
.diagram .node .sub { font-size: 12px; font-weight: 500; fill: var(--muted); }
.diagram .center circle { fill: var(--accent-soft); stroke: var(--gold); stroke-width: 3; }
.diagram .center text { font: 800 20px "Hanken Grotesk", system-ui, sans-serif; fill: var(--ink); text-anchor: middle; }
.diagram .center .sub { font-size: 12px; font-weight: 600; fill: var(--accent); letter-spacing: .06em; }
.diagram .label { font: 700 13px "Hanken Grotesk", system-ui, sans-serif; fill: var(--accent); text-anchor: middle; letter-spacing: .04em; text-transform: uppercase; }
.diagram .label.gruen { fill: var(--gruen); }
.diagram .head { fill: var(--gold); }
.diagram .head.gruen { fill: var(--gruen); }

.closing { text-align: center; }
.closing h2 { font-size: clamp(36px, 6vw, 68px); }
.closing p { margin: 20px auto 0; max-width: 32em; font-size: 19px; color: var(--body); }
.closing .hero-cta { margin-top: 32px; }
.android { display: inline-flex; align-items: center; gap: 8px; margin-top: 22px; font-size: 15px; font-weight: 600; color: var(--body); text-decoration: none; }
.android svg { width: 18px; height: 18px; }
.android:hover { color: var(--ink); }

footer { border-top: 1px solid var(--line); background: var(--or4); padding: 56px 0 40px; }
.foot { display: grid; gap: 36px; }
@media (min-width: 800px) { .foot { grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; } }
.foot h4 { margin: 0 0 14px; font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.foot a { font-size: 15px; color: var(--body); text-decoration: none; }
.foot a:hover { color: var(--ink); }
.foot .about { max-width: 26em; font-size: 15px; color: var(--body); margin-top: 12px; }
.foot-bottom { margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: 13.5px; color: var(--faint); }