:root {
  --night: #0D0D0C; --paper: #F4F2EF; --ink: #161614; --ink2: #55524c; --line: #d8d3ca;
  --fog: #8F8B84; --rule: #2A2926; --signal: #F05A28;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; background: var(--night); }
body { background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 18px; line-height: 1.5; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img, svg { display: block; max-width: 100%; height: auto; }
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 32px; }
section { scroll-margin-top: 24px; }

/* dunkle Flächen */
.dark { background: var(--night); color: var(--paper); }

/* Beschriftungen und Überschriften */
.label { font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink2); }
.dark .label { color: var(--fog); }
.num { font-family: var(--mono); font-size: 13px; color: var(--ink2); }
.dark .num { color: var(--fog); }
.section-head { display: grid; grid-template-columns: 1fr 2fr; gap: 32px; align-items: baseline; margin-bottom: 56px; }
.section-head h2 { font-size: clamp(32px, 3.8vw, 54px); font-weight: 500; letter-spacing: -0.03em; line-height: 1.05; max-width: 18ch; }

/* Kopfzeile */
header.site { padding: 24px 0; }
header.site .wrap { display: flex; justify-content: space-between; align-items: center; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-size: 21px; font-weight: 500; letter-spacing: -0.02em; text-decoration: none; }
.logo img { width: 30px; height: 30px; }
header.site nav { display: flex; gap: 28px; align-items: center; font-size: 15px; }
header.site nav a { text-decoration: none; color: var(--fog); transition: color .2s; }
header.site nav a:hover { color: var(--paper); }
.pill { display: inline-block; padding: 9px 18px; border: 1px solid var(--rule); border-radius: 999px; text-decoration: none; transition: background-color .2s, border-color .2s; }
header.site nav a.pill { color: var(--paper); }
.pill:hover { border-color: var(--fog); }
.pill-light { background: var(--paper); color: var(--night); border-color: var(--paper); font-size: 16px; padding: 12px 22px; }
.pill-light:hover { background: #fff; border-color: #fff; }

/* Hero mit feinem Raster */
.hero { padding: 24px 0 72px; background-image:
  linear-gradient(to right, rgba(244,242,239,.045) 1px, transparent 1px),
  linear-gradient(to bottom, rgba(244,242,239,.045) 1px, transparent 1px);
  background-size: 56px 56px; background-position: center top; }
.hero .wrap { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; align-items: center; min-height: min(80vh, 780px); }
.tag { font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--fog); }
h1 { font-size: clamp(44px, 5.6vw, 84px); line-height: 1.0; font-weight: 500; letter-spacing: -0.035em; margin-top: 24px; max-width: 12ch; }
.lead { font-size: clamp(18px, 1.6vw, 21px); color: var(--fog); max-width: 42ch; margin-top: 28px; }
.actions { display: flex; align-items: center; gap: 28px; margin-top: 40px; flex-wrap: wrap; }
.more { font-size: 16px; color: var(--paper); text-decoration: none; border-bottom: 1px solid var(--rule); padding-bottom: 2px; transition: border-color .2s; }
.more:hover { border-color: var(--paper); }
.hero-art svg { width: 100%; height: auto; max-height: 720px; }

/* Zeichnung baut sich beim Laden einmal auf */
@media (prefers-reduced-motion: no-preference) {
  .hero-art .e { stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw 1.6s cubic-bezier(.45,0,.2,1) .15s forwards; }
  .hero-art .f { opacity: 0; animation: fade 1.4s ease .1s forwards; }
  .hero-art .g { opacity: 0; animation: fade 1.2s ease 1.1s forwards; }
  .hero-art .v { opacity: 0; animation: fade .6s ease 1.5s forwards; }
  .hero-art .n { opacity: 0; animation: fade .8s ease 1.8s forwards; }
}
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fade { to { opacity: 1; } }

/* Leitsatz */
.statement { padding: 96px 0 120px; border-top: 1px solid var(--rule); }
.statement p { font-size: clamp(28px, 3.4vw, 48px); line-height: 1.15; letter-spacing: -0.025em; max-width: 26ch; }

/* Kreislauf */
.loop { padding: 112px 0 120px; }
.loop-grid { display: grid; grid-template-columns: 1fr minmax(0, 560px) 1fr; grid-template-rows: auto auto auto; gap: 8px 40px; align-items: center; }
.loop-art { grid-column: 2; grid-row: 1 / 4; position: relative; color: var(--ink); }
.loop-art svg { width: 100%; }
.loop-mark { position: absolute; left: 50%; top: 50%; width: 22%; height: auto; transform: translate(-50%, -50%); }
.loop-art.pre .ring { stroke-dasharray: 1; stroke-dashoffset: 1; }
.loop-art.pre .node, .loop-art.pre .arrow, .loop-art.pre .loop-mark { opacity: 0; }
.loop-art.in .ring { stroke-dashoffset: 0; transition: stroke-dashoffset 1.8s cubic-bezier(.45,0,.2,1); }
.loop-art.in .node, .loop-art.in .arrow, .loop-art.in .loop-mark { opacity: 1; transition: opacity .6s ease 1.2s; }
.step h3 { font-size: 24px; font-weight: 500; letter-spacing: -0.02em; margin: 6px 0 6px; }
.step p:last-child { color: var(--ink2); font-size: 16px; max-width: 30ch; }
.loop-grid .s1, .loop-grid .s4 { grid-column: 1; text-align: right; justify-self: end; }
.loop-grid .s2, .loop-grid .s3 { grid-column: 3; }
.loop-grid .s1, .loop-grid .s2 { grid-row: 1; align-self: start; }
.loop-grid .s3, .loop-grid .s4 { grid-row: 3; align-self: end; }
.loop-grid .s1 p:last-child, .loop-grid .s4 p:last-child { margin-left: auto; }

/* Plattform */
.platform { padding: 104px 0 112px; border-top: 1px solid var(--line); }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 56px 32px; }
.products article { border-top: 1px solid var(--ink); padding-top: 20px; display: flex; flex-direction: column; }
.products h3 { font-size: clamp(24px, 2.2vw, 30px); font-weight: 500; letter-spacing: -0.025em; margin-top: 28px; }
.kicker { font-size: 16px; color: var(--ink); margin: 2px 0 14px; }
.products p:not(.num):not(.kicker):not(.for) { color: var(--ink2); font-size: 16px; }
.for { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink2); margin-top: auto; padding-top: 20px; }

/* Verify */
.verify { padding: 112px 0; }
.verify .wrap { display: grid; grid-template-columns: 1fr 1.15fr; gap: 64px; align-items: center; }
.verify h2 { font-size: clamp(34px, 4vw, 56px); font-weight: 500; letter-spacing: -0.03em; line-height: 1.05; margin: 24px 0 32px; max-width: 14ch; }
.steps { list-style: none; border-top: 1px solid var(--rule); }
.steps li { display: grid; grid-template-columns: 36px 1fr; padding: 14px 0; border-bottom: 1px solid var(--rule); color: var(--fog); font-size: 17px; }
.steps span { font-family: var(--mono); font-size: 13px; color: var(--paper); padding-top: 3px; }
.console { border: 1px solid var(--rule); border-radius: 14px; background: #121211; overflow: hidden; }
.console-bar { display: flex; justify-content: space-between; padding: 12px 18px; border-bottom: 1px solid var(--rule); font-family: var(--mono); font-size: 12px; color: var(--fog); letter-spacing: .06em; text-transform: uppercase; }
.console-pair { display: grid; grid-template-columns: 1fr 1fr; }
.console-pair > div { padding: 24px 24px 18px; }
.console-pair > div + div { border-left: 1px solid var(--rule); }
.console-pair img { height: 260px; width: 100%; object-fit: contain; }
.console-pair p { font-family: var(--mono); font-size: 12px; color: var(--fog); letter-spacing: .06em; text-transform: uppercase; margin-top: 14px; }
.console-rows { border-top: 1px solid var(--rule); }
.console-rows > div { display: flex; justify-content: space-between; align-items: center; padding: 13px 18px; font-size: 15px; }
.console-rows > div + div { border-top: 1px solid var(--rule); }
.console-rows dt { color: var(--fog); }
.console-rows dd { display: flex; align-items: center; gap: 12px; font-family: var(--mono); font-size: 14px; }
.bar { width: 120px; height: 4px; background: var(--rule); border-radius: 2px; overflow: hidden; display: inline-block; }
.bar span { display: block; height: 100%; background: var(--paper); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--signal); display: inline-block; }

/* Zielgruppen */
.who { padding: 112px 0 120px; }
.audiences article { border-top: 1px solid var(--ink); padding-top: 20px; }
.audiences h3 { font-size: clamp(24px, 2.2vw, 30px); font-weight: 500; letter-spacing: -0.025em; line-height: 1.15; margin: 28px 0 24px; max-width: 16ch; }
.audiences ul { list-style: none; }
.audiences li { font-size: 17px; padding: 12px 0; border-top: 1px solid var(--line); }

/* Warum jetzt */
.why { padding: 112px 0 120px; }
.why .grid3 > div { border-top: 1px solid var(--rule); padding-top: 20px; }
.why h3 { font-size: 22px; font-weight: 500; letter-spacing: -0.015em; line-height: 1.2; max-width: 20ch; }
.why .grid3 p { color: var(--fog); font-size: 16px; margin-top: 12px; max-width: 34ch; }

/* Grundsätze */
.principles { padding: 104px 0 24px; }
.principles .section-head { margin-bottom: 32px; }
.principles .grid3 > div { border-top: 1px solid var(--line); padding-top: 20px; }
.principles h3 { font-size: 22px; font-weight: 500; letter-spacing: -0.015em; }
.principles .grid3 p { color: var(--ink2); font-size: 16px; margin-top: 8px; max-width: 32ch; }

/* Fragen */
.faq { padding: 104px 0 120px; }
.faq-list { margin-left: calc((100% - 32px) / 3 + 32px); border-top: 1px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 20px 40px 20px 0; font-size: 20px; letter-spacing: -0.01em; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 18px; font-family: var(--mono); font-size: 20px; color: var(--ink2); }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--ink2); font-size: 17px; padding: 0 40px 22px 0; max-width: 62ch; }

/* Zugang */
.access { padding: 112px 0 104px; }
.access h2 { font-size: clamp(40px, 5.4vw, 76px); font-weight: 500; letter-spacing: -0.035em; line-height: 1.02; margin-top: 20px; }
.paths { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 48px; }
.paths a { display: flex; flex-direction: column; justify-content: space-between; gap: 40px; min-height: 160px; padding: 22px; border: 1px solid var(--rule); border-radius: 14px; text-decoration: none; font-size: 20px; letter-spacing: -0.01em; line-height: 1.25; transition: border-color .2s, background-color .2s; }
.paths a:hover { border-color: var(--fog); background: #121211; }
.go { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--fog); }
.mail { display: inline-block; margin-top: 56px; font-size: clamp(30px, 4.4vw, 60px); letter-spacing: -0.03em; text-decoration: none; border-bottom: 1px solid var(--rule); line-height: 1.1; transition: border-color .2s; }
.mail:hover { border-color: var(--paper); }

/* Fußzeile */
footer.site { border-top: 1px solid var(--rule); padding: 32px 0 44px; font-size: 14px; color: var(--fog); }
footer.site .wrap { display: flex; gap: 32px; align-items: center; flex-wrap: wrap; }
footer.site .logo { color: var(--paper); font-size: 18px; }
footer.site .logo img { width: 26px; height: 26px; }
footer.site nav { display: flex; gap: 24px; flex-wrap: wrap; }
footer.site a { text-decoration: none; transition: color .2s; }
footer.site nav a:hover { color: var(--paper); }
footer.site .copy { margin-left: auto; }

/* Rechtstexte (helle Seite) */
body.page-legal { min-height: 100vh; }
.page-legal header.site nav a { color: var(--ink2); }
.page-legal header.site nav a:hover { color: var(--ink); }
.page-legal header.site nav a.pill { color: var(--ink); border-color: var(--line); }
.page-legal header.site nav a.pill:hover { border-color: var(--ink2); }
.legal { padding: 48px 0 96px; max-width: 760px; }
.legal h1 { font-size: 44px; max-width: none; margin: 0 0 28px; }
.legal h2 { font-size: 19px; font-weight: 600; margin: 28px 0 8px; }
.legal p, .legal li { color: var(--ink2); font-size: 17px; }
.legal ul { padding-left: 20px; }
.page-legal footer.site { border-color: var(--line); color: var(--ink2); }
.page-legal footer.site a:hover { color: var(--ink); }

@media (max-width: 980px) {
  .hero .wrap, .verify .wrap { grid-template-columns: 1fr; }
  .hero .wrap { min-height: 0; }
  .hero-art { max-width: 560px; margin: 8px auto 0; }
  .section-head { grid-template-columns: 1fr; gap: 16px; margin-bottom: 40px; }
  .grid3, .paths { grid-template-columns: 1fr 1fr; }
  .loop-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .loop-art { grid-column: 1 / 3; grid-row: 1; max-width: 460px; justify-self: center; width: 100%; }
  .loop-grid .s1, .loop-grid .s2, .loop-grid .s3, .loop-grid .s4 { grid-row: auto; grid-column: auto; text-align: left; justify-self: stretch; align-self: start; border-top: 1px solid var(--line); padding-top: 16px; }
  .loop-grid .s1 p:last-child, .loop-grid .s4 p:last-child { margin-left: 0; }
  .verify .wrap { gap: 48px; }
  .faq-list { margin-left: 0; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 20px; }
  header.site nav { gap: 18px; }
  header.site nav a:not(.pill) { display: none; }
  .hero { padding: 16px 0 48px; background-size: 40px 40px; }
  h1 { margin-top: 18px; }
  .statement { padding: 64px 0 80px; }
  .loop, .platform, .verify, .who, .why, .faq, .access { padding: 72px 0; }
  .principles { padding: 72px 0 8px; }
  .grid3, .paths, .loop-grid { grid-template-columns: 1fr; }
  .grid3 { row-gap: 40px; }
  .loop-art { grid-column: 1; }
  .console-pair img { height: 170px; }
  .console-pair > div { padding: 16px 14px 12px; }
  .bar { width: 64px; }
  .faq summary { font-size: 18px; }
  .paths a { min-height: 0; gap: 24px; }
  footer.site .copy { margin-left: 0; width: 100%; }
}

/* Ergänzungen nach Prüfung */
h2.label { font-weight: 400; }
.hero .wrap.specs { display: flex; min-height: 0; align-items: center; width: calc(100% - 64px); max-width: 1176px; padding: 18px 0 0; }
.specs { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 48px; padding-top: 18px; border-top: 1px solid var(--rule); font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--fog); }
.json { margin: 0; padding: 16px 18px; border-top: 1px solid var(--rule); font-family: var(--mono); font-size: 13px; line-height: 1.6; color: var(--paper); white-space: pre; overflow-x: auto; }
.json .c { color: var(--fog); }
.why .grid3 p.src { font-family: var(--mono); font-size: 11px; letter-spacing: .04em; color: #77736c; margin-top: 16px; }
@media (max-width: 640px) {
  .hero .wrap.specs { flex-direction: column; align-items: flex-start; gap: 8px; margin-top: 40px; width: calc(100% - 40px); }
  .json { font-size: 12px; }
}