/* ==========================================================================
   Redesign-Prototyp der Startseite (Phase 1 und 2 des Maßnahmenplans).
   Eigenständiges Stylesheet, damit style.css und die Live-Startseite
   unberührt bleiben. Klassenprefix: rd-
   ========================================================================== */

.rd{
  --rd-maxw:1200px;
  --rd-sec:clamp(4.25rem,7.5vw,7.25rem);
  --rd-link-stammdaten:#17B4A1;
  --rd-link-belege:#2F6FB0;
  --rd-link-dokumente:#7A5AA8;
  --rd-link-status:#B07B22;
  --rd-link-preise:#0E8074;
  --rd-link-bestaende:#5A7386;
  color:var(--text-color);background:#fff
}
.rd-wrap{width:min(100% - 2.5rem,var(--rd-maxw));margin-inline:auto}

/* --- Abschnittsrahmen und Typografie ------------------------------------ */
.rd-sec{padding-block:var(--rd-sec)}
.rd-sec.is-muted{background:var(--bg-muted);border-block:1px solid var(--border-color)}
.rd-sec.is-tint{background:linear-gradient(180deg,#f4fbf9,#fff)}
.rd-head{max-width:820px;margin:0 auto clamp(2.5rem,4vw,3.75rem)}
.rd-head h2{position:relative;margin:0;padding-top:1rem;color:var(--primary-color);font-size:clamp(1.95rem,3.5vw,2.95rem);line-height:1.1;letter-spacing:-.025em;text-align:center}
.rd-head h2:before{position:absolute;top:0;left:50%;width:3.6rem;height:4px;border-radius:999px;background:var(--accent-color);content:"";transform:translateX(-50%)}
.rd-head p{margin:1.1rem 0 0;color:#42566a;font-size:clamp(1rem,1.5vw,1.1rem);line-height:1.65;text-align:left}
.rd-head.is-wide{max-width:960px}

/* --- 1 Hero -------------------------------------------------------------- */
.rd-hero{position:relative;overflow:hidden;padding-block:clamp(3.5rem,6vw,6rem);background:var(--gradient-hero);color:#fff}
.rd-hero:before{position:absolute;inset:0;content:"";background:radial-gradient(circle at 12% 16%,rgba(23,180,161,.26),transparent 36%),radial-gradient(circle at 88% 84%,rgba(70,151,203,.16),transparent 34%);pointer-events:none}
.rd-hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.14fr) minmax(0,1fr);gap:clamp(2.5rem,4vw,3.75rem);align-items:center}
.rd-eyebrow{display:block;margin-bottom:1rem;color:#64dfcf;font-size:.76rem;font-weight:850;letter-spacing:.11em;text-transform:uppercase}
.rd-hero h1{margin:0 0 1.4rem;color:#fff;font-size:clamp(2.1rem,3.5vw,3.35rem);font-weight:800;line-height:1.08;letter-spacing:-.03em;text-wrap:balance}
.rd-hero h1 em{display:block;font-style:normal;color:#64dfcf}
.rd-hero-lead{max-width:34em;margin:0;color:rgba(255,255,255,.84);font-size:clamp(1.05rem,1.7vw,1.24rem);line-height:1.6}
.rd-actions{display:flex;flex-wrap:wrap;gap:1rem 1.6rem;align-items:center;margin-top:2.25rem}
.rd-link-arrow{display:inline-flex;gap:.5rem;align-items:center;color:#fff;font-weight:750;text-decoration:none}
.rd-link-arrow span{transition:transform .2s ease}
.rd-link-arrow:hover{color:#8ff0e3}
.rd-link-arrow:hover span,.rd-link-arrow:focus-visible span{transform:translateX(.22rem)}

/* --- 2 Trust-Streifen ---------------------------------------------------- */
.rd-trust{border-bottom:1px solid var(--border-color);background:#fff;box-shadow:var(--shadow-sm)}
.rd-trust .rd-wrap{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.rd-trust span{position:relative;padding:1.1rem .85rem 1rem;color:var(--primary-color);font-size:.78rem;font-weight:800;text-align:center}
.rd-trust span:before{display:inline-block;width:.48rem;height:.48rem;margin-right:.5rem;border-radius:50%;background:var(--accent-color);content:"";vertical-align:.04rem}
.rd-trust span+span{border-left:1px solid var(--border-color)}

/* --- 3 Was führt Sie zu uns? -------------------------------------------- */
.rd-entry{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.35rem}
.rd-entry-card{position:relative;display:flex;flex-direction:column;padding:clamp(1.6rem,2.6vw,2.2rem);border:1px solid var(--border-color);border-radius:1rem;background:#fff;box-shadow:var(--shadow-sm);color:inherit;text-decoration:none;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease}
.rd-entry-card:hover,.rd-entry-card:focus-visible{border-color:rgba(23,180,161,.55);background:#fbfefd;box-shadow:var(--shadow)}
.rd-entry-art{display:block;width:100%;max-width:236px;height:auto;margin-bottom:1.6rem}
.rd-entry-card h3{margin:0;color:var(--primary-color);font-size:clamp(1.3rem,2.1vw,1.7rem);line-height:1.18;letter-spacing:-.02em}
.rd-entry-card p{margin:.7rem 0 0;max-width:34em;color:var(--text-light);font-size:.95rem;line-height:1.6}
.rd-entry-more{display:inline-flex;gap:.45rem;align-items:center;margin-top:auto;padding-top:1.5rem;color:var(--accent-dark);font-size:.86rem;font-weight:800}
.rd-entry-more span{transition:transform .2s ease}
.rd-entry-card:hover .rd-entry-more span,.rd-entry-card:focus-visible .rd-entry-more span{transform:translateX(.25rem)}

/* --- 4 Kompetenz und Personen ------------------------------------------- */
.rd-people{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.6rem}
.rd-person{display:grid;grid-template-columns:minmax(0,auto) minmax(0,1fr);gap:1.5rem;padding:1.6rem;border:1px solid var(--border-color);border-radius:1rem;background:#fff;box-shadow:var(--shadow-sm)}
.rd-person-photo{width:136px;height:172px;margin:0;overflow:hidden;border-radius:.85rem;background:var(--bg-light)}
.rd-person-photo img{display:block;width:100%;height:100%;object-fit:cover;object-position:center top}
.rd-person-photo picture{display:block;width:100%;height:100%}
.rd-person h3{margin:0;color:var(--primary-color);font-size:1.32rem;letter-spacing:-.02em}
.rd-person-role{margin:.3rem 0 0;color:var(--accent-dark);font-size:.82rem;font-weight:800}
.rd-person ul{margin:1rem 0 0;padding:0;list-style:none}
.rd-person li{position:relative;margin:.4rem 0;padding-left:1.1rem;color:#42566a;font-size:.88rem;line-height:1.5}
.rd-person li:before{position:absolute;top:.52rem;left:0;width:.42rem;height:.42rem;border-radius:50%;background:var(--accent-color);content:""}
.rd-claim{max-width:960px;margin:clamp(2.5rem,4vw,3.5rem) auto 0;padding:1.7rem 1.9rem;border:1px solid rgba(23,180,161,.3);border-radius:1rem;background:linear-gradient(135deg,#eefaf7,#f7fbff);box-shadow:var(--shadow);text-align:center}
.rd-claim span{display:block;margin-bottom:.5rem;color:var(--accent-dark);font-size:.72rem;font-weight:850;letter-spacing:.09em;text-transform:uppercase}
.rd-claim p{margin:0;color:var(--primary-color);font-size:clamp(1.05rem,1.8vw,1.22rem);font-weight:750;line-height:1.55}

/* ==========================================================================
   Grafische Sprache für Systeme und Schnittstellen.
   Wiederverwendbar auf allen Landingpages:
   .rd-node   ein System, Typ über is-erp, is-crm, is-dms, is-shop, ...
   .rd-conn   eine typisierte Verbindung, is-stammdaten, is-belege, ...
   .rd-chain  linearer Prozess, waagrecht am Desktop, senkrecht mobil
   .rd-sync   bidirektionaler Abgleich zweier Systeme
   .rd-stack  Analyse- oder Architekturebenen
   ========================================================================== */

/* Knoten ----------------------------------------------------------------- */
.rd-node{position:relative;display:flex;min-width:0;flex:1 1 0;flex-direction:column;justify-content:center;padding:.95rem 1.05rem;border:1px solid var(--border-color);border-left:3px solid var(--rd-c,var(--border-color));border-radius:.75rem;background:#fff;box-shadow:var(--shadow-sm);text-align:left}
.rd-node .rd-node-type{display:block;margin-bottom:.3rem;color:color-mix(in srgb,var(--rd-c,#5f7080) 70%,#000);font-size:.6rem;font-weight:850;letter-spacing:.1em;text-transform:uppercase}
/* body erlaubt global word-break:break-word. In den Knoten würde das lange
   Fachbegriffe mitten im Wort trennen, deshalb hier Silbentrennung statt
   harter Umbrüche. */
.rd-node strong{display:block;color:var(--primary-color);font-size:.95rem;line-height:1.3;word-break:normal;overflow-wrap:normal;hyphens:auto}
.rd-node small{display:block;margin-top:.32rem;color:var(--text-light);font-size:.73rem;line-height:1.45}
.rd-node.is-erp{--rd-c:#17B4A1}
.rd-node.is-crm{--rd-c:var(--rd-link-belege)}
.rd-node.is-dms{--rd-c:var(--rd-link-dokumente)}
.rd-node.is-shop{--rd-c:var(--rd-link-status)}
.rd-node.is-pim{--rd-c:var(--rd-link-preise)}
.rd-node.is-api{--rd-c:var(--rd-link-bestaende)}
.rd-node.is-db{--rd-c:#35566E}
.rd-node.is-cloud{--rd-c:#4697CB}
.rd-node.is-app{--rd-c:#17B4A1}
.rd-node.is-extern{--rd-c:#8a9aa8;border-style:dashed;border-left-style:solid;background:var(--bg-muted);box-shadow:none}
/* Kernsystem dunkel, damit Sage 100 in jeder Grafik sofort als Mitte lesbar ist */
.rd-node.is-core{border-color:rgba(100,223,207,.45);border-left-color:var(--accent-color);background:var(--gradient-primary);box-shadow:var(--shadow)}
.rd-node.is-core .rd-node-type{color:#64dfcf}
.rd-node.is-core strong{color:#fff;font-size:1.06rem}
.rd-node.is-core small{color:#b5cbd9}

/* Verbindungen ---------------------------------------------------------- */
/* Feste Breite: Die Verbinder dürfen nicht mitwachsen, sonst bleibt für die
   Knoten zu wenig Platz. */
.rd-conn{position:relative;flex:0 0 clamp(4rem,6vw,5.75rem);align-self:center;height:2.1rem;--rd-c:var(--border-color)}
.rd-conn:before{position:absolute;top:50%;right:.4rem;left:0;border-top:2px solid var(--rd-c);content:"";transform:translateY(-50%)}
.rd-conn:after{position:absolute;top:50%;right:0;width:0;height:0;border-top:.32rem solid transparent;border-bottom:.32rem solid transparent;border-left:.45rem solid var(--rd-c);content:"";transform:translateY(-50%)}
.rd-conn-label{position:absolute;bottom:calc(50% + .4rem);left:50%;color:var(--text-light);font-size:.6rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;white-space:nowrap;transform:translateX(-50%)}
/* Gegenrichtung: Linie und Pfeilspitze spiegeln */
.rd-conn.is-back:before{right:0;left:.4rem}
.rd-conn.is-back:after{right:auto;left:0;border-right:.45rem solid var(--rd-c);border-left:0}
.is-flowing .rd-conn.is-back .rd-pulse{animation-name:rd-flow-x-back}
.rd-conn.is-stammdaten{--rd-c:var(--rd-link-stammdaten)}
.rd-conn.is-belege{--rd-c:var(--rd-link-belege)}
.rd-conn.is-dokumente{--rd-c:var(--rd-link-dokumente)}
.rd-conn.is-dokumente:before{border-top-style:dashed}
.rd-conn.is-status{--rd-c:var(--rd-link-status)}
.rd-conn.is-status:before{border-top-style:dotted;border-top-width:3px}
.rd-conn.is-preise{--rd-c:var(--rd-link-preise)}
.rd-conn.is-preise:before{border-top-style:dashed}
.rd-conn.is-bestaende{--rd-c:var(--rd-link-bestaende)}
.rd-conn.is-bestaende:before{border-top-style:dotted;border-top-width:3px}

/* Impuls entlang der Verbindung. Startet erst, wenn die Grafik im Blick ist,
   und endet nach drei Durchläufen.
   .rd-pulse ist die unsichtbare Laufschiene über die volle Länge der
   Verbindung, das <i> darin ist der sichtbare Punkt. Bewegt wird die
   Schiene per transform, damit pro Bild kein Layout anfällt. */
.rd-pulse{position:absolute;top:50%;right:0;left:0;height:0;opacity:0}
.rd-pulse i{position:absolute;top:-.23rem;left:0;display:block;width:.46rem;height:.46rem;border-radius:50%;background:var(--rd-c)}
.is-flowing .rd-pulse{animation:rd-flow-x 1.9s cubic-bezier(.45,0,.55,1) var(--rd-delay,0s) 3 both}
@keyframes rd-flow-x{0%{opacity:0;transform:translateX(0)}12%{opacity:1}82%{opacity:1}100%{opacity:0;transform:translateX(calc(100% - .46rem))}}
@keyframes rd-flow-x-back{0%{opacity:0;transform:translateX(calc(100% - .46rem))}12%{opacity:1}82%{opacity:1}100%{opacity:0;transform:translateX(0)}}

/* Linearer Prozess ------------------------------------------------------ */
.rd-diagram{margin:0;padding:clamp(1.1rem,2vw,1.5rem);border:1px solid var(--border-color);border-radius:1rem;background:linear-gradient(135deg,#f7fbff,#eefaf7);box-shadow:var(--shadow)}
.rd-diagram figcaption{margin-top:1rem;color:var(--text-light);font-size:.74rem;line-height:1.5;text-align:left}
/* Für Grafiken, die selbst schon eine Fläche mitbringen (z. B. der dunkle
   Ebenenblock), damit kein doppelter Rahmen entsteht. */
.rd-diagram.is-plain{padding:0;border:0;background:none;box-shadow:none}
.rd-chain{display:flex;align-items:stretch}

/* Bidirektionaler Abgleich ---------------------------------------------- */
.rd-sync{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr) minmax(0,1fr);align-items:center}
.rd-sync>.rd-node{flex:0 0 auto}
.rd-sync-channel{padding:.3rem clamp(.6rem,1.5vw,1.1rem)}
.rd-sync-dir{margin:0;color:var(--text-light);font-size:.63rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase;text-align:center}
.rd-sync-rail{position:relative;height:1.35rem;--rd-c:var(--rd-link-stammdaten)}
.rd-sync-rail:before{position:absolute;top:50%;right:.4rem;left:0;border-top:2px solid var(--rd-c);content:"";transform:translateY(-50%)}
.rd-sync-rail:after{position:absolute;top:50%;right:0;width:0;height:0;border-top:.3rem solid transparent;border-bottom:.3rem solid transparent;border-left:.42rem solid var(--rd-c);content:"";transform:translateY(-50%)}
.rd-sync-rail.is-back{--rd-c:var(--rd-link-belege)}
.rd-sync-rail.is-back:before{right:0;left:.4rem}
.rd-sync-rail.is-back:after{right:auto;left:0;border-right:.42rem solid var(--rd-c);border-left:0}
.is-flowing .rd-sync-rail .rd-pulse{animation:rd-flow-x 2.4s cubic-bezier(.45,0,.55,1) var(--rd-delay,0s) 3 both}
.is-flowing .rd-sync-rail.is-back .rd-pulse{animation-name:rd-flow-x-back}
.rd-sync-list{margin:.55rem 0;padding:0;list-style:none;text-align:center}
.rd-sync-list li{display:inline-block;margin:.22rem;padding:.3rem .65rem;border:1px solid var(--border-color);border-radius:999px;background:#fff;color:var(--primary-color);font-size:.74rem;font-weight:700}

/* Analyse- und Architekturebenen --------------------------------------- */
.rd-stack{display:grid;gap:.6rem;margin:0;padding:clamp(1.1rem,2vw,1.5rem);border:1px solid rgba(9,30,51,.4);border-radius:1rem;background:var(--gradient-primary);box-shadow:var(--shadow-lg)}
.rd-stack.is-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.rd-stack-row{display:grid;grid-template-columns:2.1rem minmax(0,1fr);gap:.9rem;align-items:start;padding:.85rem 1rem;border:1px solid rgba(255,255,255,.12);border-radius:.6rem;background:rgba(255,255,255,.07)}
.rd-stack-row>span{display:inline-flex;width:2.1rem;height:2.1rem;align-items:center;justify-content:center;border-radius:.45rem;background:rgba(23,180,161,.22);color:#64dfcf;font-size:.7rem;font-weight:850}
.rd-stack-row strong{display:block;color:#fff;font-size:.95rem}
.rd-stack-row small{display:block;margin-top:.2rem;color:#a9c2d4;font-size:.76rem;line-height:1.5}

/* Legende der grafischen Sprache --------------------------------------- */
.rd-legend{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2rem;max-width:1000px;margin:2.5rem auto 0;padding:1.7rem 1.9rem;border:1px solid var(--border-color);border-radius:1rem;background:#fff;box-shadow:var(--shadow-sm)}
.rd-legend h3{margin:0 0 .9rem;color:var(--primary-color);font-size:.74rem;font-weight:850;letter-spacing:.09em;text-transform:uppercase}
.rd-legend ul{display:grid;gap:.55rem;margin:0;padding:0;list-style:none}
.rd-legend li{display:grid;grid-template-columns:2.8rem minmax(0,1fr);gap:.85rem;align-items:center;color:#42566a;font-size:.82rem;line-height:1.4}
.rd-legend b{color:var(--primary-color);font-weight:750}
.rd-swatch{display:block;height:0;border-top:2px solid var(--rd-c,var(--border-color))}
.rd-swatch.is-dashed{border-top-style:dashed}
.rd-swatch.is-dotted{border-top-style:dotted;border-top-width:3px}
.rd-chip{display:inline-flex;height:1.4rem;align-items:center;justify-content:center;border-radius:.35rem;background:var(--rd-c,var(--border-color));color:#fff;font-size:.56rem;font-weight:850;letter-spacing:.05em}
/* Helle Legendenfarben: dunkle Schrift statt Weiß (Kontrast >= 4.5:1), Farbe der Grafik bleibt */
.rd-chip[style*="#17B4A1"],.rd-chip[style*="#B07B22"]{color:var(--primary-color)}

/* --- 5 Projektbeispiele ------------------------------------------------- */
/* Text oben, Grafik darunter über die volle Breite. Die Diagramme brauchen
   den Platz, sonst werden die Knoten zu schmal. */
.rd-cases{display:grid;gap:clamp(3rem,5.5vw,5rem)}
.rd-case{display:grid;gap:clamp(1.5rem,2.5vw,2rem)}
.rd-case-copy{max-width:790px}
.rd-case-kicker{display:block;margin-bottom:.7rem;color:var(--accent-dark);font-size:.72rem;font-weight:850;letter-spacing:.09em;text-transform:uppercase}
.rd-case h3{margin:0;color:var(--primary-color);font-size:clamp(1.5rem,2.6vw,2.05rem);line-height:1.15;letter-spacing:-.025em}
.rd-case p{margin:.9rem 0 0;color:#42566a;font-size:.98rem;line-height:1.68}
.rd-case .rd-link-arrow{margin-top:1.4rem;color:var(--accent-dark)}
.rd-case .rd-link-arrow:hover{color:var(--primary-color)}

/* Aufbereiteter Screenshot: Ausschnitt links, kurze Erklärung daneben.
   Nie ein unbearbeiteter Vollbild-Screenshot. */
.rd-shot{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(0,1fr);gap:clamp(1.5rem,3vw,2.5rem);align-items:start;margin:0}
.rd-shot-media{position:relative;overflow:hidden;border:1px solid var(--border-color);border-radius:.85rem;background:#fff;box-shadow:var(--shadow-lg)}
.rd-shot-media img{display:block;width:100%;height:auto}
/* Signalisiert, dass der Bericht unten weitergeht */
.rd-shot-media.is-faded:after{position:absolute;right:0;bottom:0;left:0;height:5.5rem;content:"";background:linear-gradient(rgba(255,255,255,0),#fff);pointer-events:none}
.rd-shot-kicker{display:block;margin-bottom:.65rem;color:var(--accent-dark);font-size:.7rem;font-weight:850;letter-spacing:.09em;text-transform:uppercase}
.rd-shot-note p{margin:0 0 1rem;color:#42566a;font-size:.92rem;line-height:1.65}
.rd-shot-note ul{margin:0;padding:0;list-style:none}
.rd-shot-note li{position:relative;margin:.45rem 0;padding-left:1.1rem;color:#42566a;font-size:.86rem;line-height:1.5}
.rd-shot-note li:before{position:absolute;top:.52rem;left:0;width:.42rem;height:.42rem;border-radius:50%;background:var(--accent-color);content:""}
.rd-shot-src{margin:1.2rem 0 0;color:var(--text-light);font-size:.76rem;line-height:1.5}

/* --- Für wen wir arbeiten ----------------------------------------------- */
.rd-branches{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1.2rem}
.rd-branch{display:flex;overflow:hidden;flex-direction:column;border:1px solid var(--border-color);border-radius:1rem;background:#fff;box-shadow:var(--shadow-sm);color:inherit;text-decoration:none;transition:border-color .2s ease,box-shadow .2s ease}
.rd-branch:hover,.rd-branch:focus-visible{border-color:rgba(23,180,161,.55);box-shadow:var(--shadow)}
.rd-branch-photo{aspect-ratio:4/3;overflow:hidden;background:var(--bg-light)}
.rd-branch-photo img{display:block;width:100%;height:100%;object-fit:cover}
.rd-branch-body{display:flex;flex:1 1 auto;flex-direction:column;padding:1.15rem 1.25rem 1.35rem}
.rd-branch h3{margin:0;color:var(--primary-color);font-size:1.02rem;line-height:1.3;letter-spacing:-.015em}
.rd-branch p{margin:.5rem 0 0;color:var(--text-light);font-size:.84rem;line-height:1.55}
.rd-branch-more{display:inline-flex;gap:.4rem;align-items:center;margin-top:auto;padding-top:1rem;color:var(--accent-dark);font-size:.8rem;font-weight:800}
.rd-branch-more span{transition:transform .2s ease}
.rd-branch:hover .rd-branch-more span,.rd-branch:focus-visible .rd-branch-more span{transform:translateX(.22rem)}

/* Kundenreferenz mit Porträt, Zitat und Quellenangabe */
.rd-ref{display:grid;grid-template-columns:minmax(0,auto) minmax(0,1fr);gap:clamp(1.5rem,3vw,2.25rem);align-items:center;max-width:980px;margin:0 auto;padding:clamp(1.6rem,3vw,2.25rem);border:1px solid var(--border-color);border-left:4px solid var(--accent-color);border-radius:1rem;background:#fff;box-shadow:var(--shadow)}
.rd-ref-portrait{width:150px;height:150px;overflow:hidden;border-radius:50%;background:var(--bg-light)}
.rd-ref-portrait img{display:block;width:100%;height:100%;object-fit:cover}
.rd-ref blockquote{margin:0;padding:0;border:0;color:var(--primary-color);font-size:clamp(1.08rem,1.9vw,1.3rem);font-weight:700;line-height:1.5}
.rd-ref figcaption{margin-top:1.1rem;color:var(--text-light);font-size:.84rem;line-height:1.6}
.rd-ref figcaption strong{color:var(--primary-color)}
.rd-ref figcaption a{color:var(--accent-dark);font-weight:650}
.rd-ref-logo{display:block;width:auto;height:38px;margin-top:1.25rem}
.rd-ref-stack{display:flex;flex-wrap:wrap;gap:.45rem;margin:0 auto 2rem;padding:0;max-width:980px;list-style:none}
.rd-ref-stack li{padding:.35rem .8rem;border:1px solid var(--border-color);border-radius:999px;background:#fff;color:var(--primary-color);font-size:.78rem;font-weight:700}
.rd-ref-note{max-width:720px;margin:2rem auto 0;color:var(--text-light);font-size:.84rem;line-height:1.6;text-align:center}

/* --- 6 Referenzen ------------------------------------------------------ */

/* --- 7 Blog ------------------------------------------------------------- */
.rd-posts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.35rem}
.rd-post{display:flex;overflow:hidden;flex-direction:column;border:1px solid var(--border-color);border-radius:1rem;background:#fff;box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease}
.rd-post:hover{border-color:rgba(23,180,161,.5);box-shadow:var(--shadow)}
.rd-post-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-light)}
.rd-post-thumb img{display:block;width:100%;height:100%;object-fit:cover}
.rd-post-body{display:flex;flex:1 1 auto;flex-direction:column;padding:1.4rem 1.5rem 1.6rem}
.rd-post time{color:var(--text-light);font-size:.74rem;font-weight:700}
.rd-post h3{margin:.55rem 0 0;font-size:1.12rem;line-height:1.3;letter-spacing:-.015em}
.rd-post h3 a{color:var(--primary-color);text-decoration:none}
.rd-post h3 a:hover{color:var(--accent-dark)}
.rd-post p{margin:.7rem 0 0;color:var(--text-light);font-size:.88rem;line-height:1.6}
.rd-post .rd-link-arrow{margin-top:auto;padding-top:1.2rem;color:var(--accent-dark);font-size:.84rem}
.rd-post .rd-link-arrow:hover{color:var(--primary-color)}

/* --- 8 Abschluss-CTA ---------------------------------------------------- */
.rd-final{position:relative;overflow:hidden;padding-block:clamp(4rem,7vw,6.5rem);background:var(--gradient-hero);color:#fff;text-align:center}
.rd-final:before{position:absolute;inset:0;content:"";background:radial-gradient(circle at 50% 0,rgba(23,180,161,.22),transparent 48%)}
.rd-final .rd-wrap{position:relative}
.rd-final h2{max-width:900px;margin:0 auto 1.1rem;color:#fff;font-size:clamp(1.95rem,3.8vw,3.05rem);line-height:1.1;letter-spacing:-.03em}
.rd-final p{max-width:680px;margin:0 auto;color:rgba(255,255,255,.8);font-size:1.05rem;line-height:1.65}
.rd-final .rd-actions{justify-content:center}
.rd-final-points{display:flex;flex-wrap:wrap;gap:.6rem 1.8rem;justify-content:center;margin:2.5rem 0 0;padding:0;list-style:none}
.rd-final-points li{color:rgba(255,255,255,.78);font-size:.84rem;font-weight:700}
.rd-final-points li:before{display:inline-block;width:.45rem;height:.45rem;margin-right:.55rem;border-radius:50%;background:var(--accent-color);content:"";vertical-align:.08rem}

/* ==========================================================================
   Hero-Systemgrafik (SVG). Sage 100 in der Mitte, angebundene Systeme
   ringsum. Einmaliger Aufbau, danach drei Impulse, dann Ruhe.
   ========================================================================== */
.rd-hub{display:block;width:100%;height:auto;overflow:visible}
/* Alle Pfade tragen pathLength="100". Dadurch verhalten sich Aufbau und
   Impuls unabhängig von der tatsächlichen Linienlänge identisch. */
.rd-hub-line{fill:none;stroke:rgb(var(--rd-nc,140 198 216) / .34);stroke-width:1.5}
.rd-hub-pulse{fill:none;stroke:rgb(var(--rd-nc,100 223 207));stroke-width:2.5;stroke-linecap:round;stroke-dasharray:9 200;stroke-dashoffset:9;opacity:0}
.rd-hub-sat rect{fill:rgba(255,255,255,.07);stroke:rgba(255,255,255,.22);stroke-width:1}
/* Jedes System bekommt einen eigenen Farbton aus derselben kuehlen
   Familie, damit die Grafik lebendig, aber ruhig bleibt. */
.is-linked .rd-hub-sat rect{fill:rgb(var(--rd-nc,100 223 207) / .17);stroke:rgb(var(--rd-nc,100 223 207) / .78);stroke-width:1.5}
.is-linked .rd-hub-line{stroke:rgb(var(--rd-nc,140 198 216) / .5)}
.rd-hub-sat text{fill:#e7f2f8;font-family:var(--font-sans);font-size:15px;font-weight:700;text-anchor:middle;dominant-baseline:middle}
.rd-hub-core rect{fill:#0c2a44;stroke:#17B4A1;stroke-width:2}
.rd-hub-core .rd-hub-core-kicker{fill:#64dfcf;font-family:var(--font-sans);font-size:11px;font-weight:850;letter-spacing:1.6px;text-anchor:middle}
.rd-hub-core .rd-hub-core-name{fill:#fff;font-family:var(--font-sans);font-size:26px;font-weight:800;text-anchor:middle}
.rd-hub-core .rd-hub-core-sub{fill:#a9c2d4;font-family:var(--font-sans);font-size:12px;font-weight:600;text-anchor:middle}

/* Ausgangszustand: leere Fläche. Die Systeme sind noch nicht da. */
.rd-js .rd-hub-line{stroke-dasharray:100 100;stroke-dashoffset:100}
/* Die Lage der Knoten setzt die Simulation als transform-Attribut. CSS darf
   hier deshalb kein transform vergeben, sonst überschreibt es die Position. */
.rd-js .rd-hub-sat{opacity:0}
.rd-hub-wide .rd-hub-sat{cursor:grab;touch-action:none}
.rd-hub-wide .rd-hub-sat.is-dragged{cursor:grabbing}
.rd-hub-wide .rd-hub-sat.is-dragged rect{stroke:#64dfcf;stroke-width:2}
.rd-hub-wide.is-dragging .rd-hub-sat:not(.is-dragged){opacity:.7}
.rd-js .rd-hub-sat rect{stroke:rgba(255,255,255,.14)}
.rd-js .rd-hub-core{opacity:0;transform:scale(.93);transform-box:fill-box;transform-origin:center}

/* Erste Phase "Insellösungen": Die Systeme tauchen nacheinander auf, erst
   zwei, dann immer schneller weitere. Jedes pulsiert leise für sich allein,
   weil es noch mit niemandem spricht. --rd-wake staffelt das Auftauchen. */
.is-awake .rd-hub-sat{animation:rd-hub-solo 2.2s ease-in-out var(--rd-wake,0s) infinite}
@keyframes rd-hub-solo{0%{opacity:0}22%{opacity:.6}60%{opacity:.34}100%{opacity:.6}}

/* Zustand "verbunden". Bewusst Übergänge statt Keyframes: Der Rückweg in den
   Inselzustand ergibt sich dadurch von selbst und läuft genauso weich.

   WICHTIG: Auf .rd-hub-sat darf transform NICHT übergangen werden. Die
   Simulation schreibt dort in jedem Frame ein neues transform-Attribut. Eine
   Transition darauf würde jeden Frame neu anlaufen, die Kästen blieben auf
   einer alten Position stehen, während die Linien schon die echte Lage
   zeigen. */
.rd-js .rd-hub-line{transition:stroke-dashoffset .5s ease,opacity .35s ease,stroke .4s ease;transition-delay:var(--rd-delay,0s)}
.rd-js .rd-hub-sat{transition:opacity .32s ease;transition-delay:var(--rd-delay,0s)}
.rd-js .rd-hub-sat rect{transition:stroke .4s ease,fill .4s ease;transition-delay:var(--rd-delay,0s)}
.rd-js .rd-hub-core{transition:opacity .5s ease,transform .5s ease}
.is-linked .rd-hub-line{stroke-dashoffset:0}
.is-linked .rd-hub-sat{opacity:1}

/* Sage 100 kommt nicht leise dazu, sondern setzt sich in die Mitte. */
.is-linked .rd-hub-core{animation:rd-hub-core-in 1s cubic-bezier(.18,.85,.3,1) both}
@keyframes rd-hub-core-in{0%{opacity:0;transform:scale(.7)}55%{opacity:1;transform:scale(1.07)}100%{opacity:1;transform:scale(1)}}

/* Ein Ring läuft einmal vom Kern nach außen, genau in dem Moment, in dem
   Sage 100 erscheint. */
.rd-hub-halo{fill:none;stroke:#64dfcf;stroke-width:2;opacity:0;transform-box:fill-box;transform-origin:center}
.is-linked .rd-hub-halo{animation:rd-hub-halo 2.6s cubic-bezier(.2,.6,.3,1) .15s 1 both}
@keyframes rd-hub-halo{0%{opacity:0;transform:scale(.8)}16%{opacity:.45}100%{opacity:0;transform:scale(2.8)}}

/* Datenfluss in beide Richtungen: Die Hälfte der Impulse läuft vom Kern nach
   außen, die andere Hälfte zurück zu Sage 100. */
.is-flowing .rd-hub-pulse{animation:rd-hub-flow 1.7s ease-in-out var(--rd-delay,0s) 3 both}
.is-flowing .rd-hub-pulse.is-inward{animation-name:rd-hub-flow-in}
@keyframes rd-hub-flow{0%{stroke-dashoffset:9;opacity:0}14%{opacity:1}78%{opacity:1}100%{stroke-dashoffset:-100;opacity:0}}
@keyframes rd-hub-flow-in{0%{stroke-dashoffset:-100;opacity:0}14%{opacity:1}78%{opacity:1}100%{stroke-dashoffset:9;opacity:0}}

/* Schmale Variante der Hero-Grafik für kleine Bildschirme */
.rd-hub-narrow{display:none}
/* Mobil ohne Simulation: feste Anordnung, kein Ziehen */
.rd-hub-narrow .rd-hub-sat{cursor:default}

/* --- Einblenden beim Scrollen ------------------------------------------ */
.rd-js .rd-r{opacity:0;transform:translateY(16px)}
.rd-js .rd-r.is-in{opacity:1;transform:none;transition:opacity .34s ease var(--rd-delay,0s),transform .34s ease var(--rd-delay,0s)}
/* Leichte Staffelung innerhalb einer Kartenreihe */
.rd-stagger>*:nth-child(2){--rd-delay:.06s}
.rd-stagger>*:nth-child(3){--rd-delay:.12s}
.rd-stagger>*:nth-child(4){--rd-delay:.18s}
/* Vorschaubild ist ein Link und braucht deshalb display:block */
a.rd-post-thumb{display:block}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media(max-width:1040px){
  .rd-hero-grid{grid-template-columns:1fr;gap:2.75rem}
  .rd-hero-media{width:min(100%,560px);margin-inline:auto}
  .rd-entry{grid-template-columns:1fr}
  .rd-people{grid-template-columns:1fr}
  .rd-posts{grid-template-columns:1fr}
  .rd-stack.is-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rd-shot{grid-template-columns:1fr}
  .rd-branches{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rd-legend{grid-template-columns:1fr;gap:1.6rem}
}

/* Unter 760px werden alle Diagramme senkrecht gestapelt. So wird nie ein
   Prozess waagrecht abgeschnitten. */
@media(max-width:760px){
  .rd-hub-wide{display:none}
  .rd-hub-narrow{display:block}
  .rd-trust .rd-wrap{grid-template-columns:repeat(2,1fr)}
  .rd-trust span:nth-child(n+3){border-top:1px solid var(--border-color)}
  .rd-trust span:nth-child(3){border-left:0}
  .rd-actions{align-items:stretch;flex-direction:column}
  .rd-actions .btn{text-align:center}
  .rd-actions .rd-link-arrow{justify-content:center}
  .rd-head p{text-align:left}

  .rd-chain,.rd-sync{grid-template-columns:1fr;flex-direction:column}
  .rd-sync-channel{padding:.2rem 0}
  .rd-conn{flex:0 0 auto;align-self:stretch;width:100%;height:2.9rem}
  .rd-conn:before{top:0;right:auto;bottom:.4rem;left:50%;width:0;border-top:0;border-left:2px solid var(--rd-c);transform:translateX(-50%)}
  .rd-conn.is-dokumente:before,.rd-conn.is-preise:before{border-left-style:dashed}
  .rd-conn.is-status:before,.rd-conn.is-bestaende:before{border-left-style:dotted;border-left-width:3px}
  .rd-conn:after{top:auto;right:auto;bottom:0;left:50%;border-top:.45rem solid var(--rd-c);border-right:.32rem solid transparent;border-bottom:0;border-left:.32rem solid transparent;transform:translateX(-50%)}
  /* Im senkrechten Stapel liest sich alles von oben nach unten. Die
     Gegenrichtung bekommt deshalb denselben Pfeil, die Bedeutung steht im
     Label. Die is-back-Regeln von oben sind spezifischer und müssen hier
     ausdrücklich zurückgesetzt werden. */
  .rd-conn.is-back:before{top:0;right:auto;bottom:.4rem;left:50%}
  .rd-conn.is-back:after{top:auto;right:auto;bottom:0;left:50%;border-top:.45rem solid var(--rd-c);border-right:.32rem solid transparent;border-bottom:0;border-left:.32rem solid transparent}
  .is-flowing .rd-conn.is-back .rd-pulse{animation-name:rd-flow-y}
  /* Senkrecht steht die Beschriftung neben der Linie, nicht darauf. */
  .rd-conn-label{top:50%;bottom:auto;left:calc(50% + .75rem);text-align:left;transform:translateY(-50%)}
  .rd-pulse{top:0;right:auto;bottom:0;left:50%;width:0;height:auto}
  .rd-pulse i{top:0;left:-.23rem}
  .is-flowing .rd-conn .rd-pulse{animation-name:rd-flow-y}
  .rd-sync-rail{height:2.4rem}
  .rd-sync-rail:before{top:0;right:auto;bottom:.4rem;left:50%;width:0;border-top:0;border-left:2px solid var(--rd-c);transform:translateX(-50%)}
  .rd-sync-rail:after{top:auto;right:auto;bottom:0;left:50%;border-top:.42rem solid var(--rd-c);border-right:.3rem solid transparent;border-bottom:0;border-left:.3rem solid transparent;transform:translateX(-50%)}
  /* Die Rückrichtung zeigt senkrecht nach oben, zum Sage-Knoten darunter. */
  .rd-sync-rail.is-back:before{top:.4rem;right:auto;bottom:0;left:50%}
  .rd-sync-rail.is-back:after{top:0;right:auto;bottom:auto;left:50%;border-top:0;border-right:.3rem solid transparent;border-bottom:.42rem solid var(--rd-c);border-left:.3rem solid transparent}
  .is-flowing .rd-sync-rail .rd-pulse{animation-name:rd-flow-y}
  .is-flowing .rd-sync-rail.is-back .rd-pulse{animation-name:rd-flow-y-back}

  .rd-stack.is-grid{grid-template-columns:1fr}
  /* Screenshots wären auf voller Handybreite unlesbar klein. Sie bekommen
     deshalb einen eigenen waagrechten Scrollbereich. Der Seitenfluss bleibt
     davon unberührt, die Seite selbst scrollt weiter nur senkrecht. */
  .rd-shot-media{overflow-x:auto;overscroll-behavior-x:contain}
  .rd-shot-media picture{display:block}
  .rd-shot-media img{min-width:600px}
  .rd-shot-media.is-faded:after{display:none}
  .rd-ref{grid-template-columns:1fr;gap:1.3rem}
  .rd-ref-portrait{width:104px;height:104px}
  .rd-person{grid-template-columns:1fr;gap:1.2rem}
  .rd-person-photo{width:108px;height:138px}
  .rd-final-points{flex-direction:column;gap:.5rem}
}
@keyframes rd-flow-y{0%{opacity:0;transform:translateY(0)}12%{opacity:1}82%{opacity:1}100%{opacity:0;transform:translateY(calc(100% - .46rem))}}
@keyframes rd-flow-y-back{0%{opacity:0;transform:translateY(calc(100% - .46rem))}12%{opacity:1}82%{opacity:1}100%{opacity:0;transform:translateY(0)}}

@media(max-width:480px){
  .rd-wrap{width:min(100% - 1.75rem,var(--rd-maxw))}
  .rd-trust .rd-wrap{grid-template-columns:1fr}
  .rd-trust span{text-align:left}
  .rd-trust span+span{border-left:0;border-top:1px solid var(--border-color)}
  .rd-branches{grid-template-columns:1fr}
  .rd-sync-list li{font-size:.7rem}
}

/* ==========================================================================
   Reduzierte Bewegung: Alles sofort sichtbar, keine Impulse, keine
   Hover-Verschiebungen.
   ========================================================================== */
@media(prefers-reduced-motion:reduce){
  .rd-js .rd-r,.rd-js .rd-r.is-in{opacity:1;transform:none;transition:none}
  /* Hero-Grafik direkt im verbundenen Endzustand, ohne Zyklus */
  /* transform hier nur für den Kern zurücksetzen. Die Knoten bekommen ihre
     Lage aus der Simulation als Attribut, CSS würde sie sonst auf den
     Nullpunkt ziehen. */
  .rd-js .rd-hub-line,.rd-js .rd-hub-sat,.rd-js .rd-hub-core{opacity:1;stroke-dasharray:none;stroke-dashoffset:0;transition:none}
  .rd-js .rd-hub-core{transform:none}
  .rd-js .rd-hub-sat rect{stroke:rgba(100,223,207,.42);transition:none}
  .rd-hub-pulse,.rd-hub-halo,.rd-pulse{display:none}
  .is-awake .rd-hub-sat,.is-linked .rd-hub-core{animation:none}
  .is-flowing .rd-hub-pulse,.is-flowing .rd-hub-halo,.is-flowing .rd-pulse{animation:none}
  .rd-link-arrow span,.rd-entry-more span{transition:none}
  .rd-link-arrow:hover span,.rd-link-arrow:focus-visible span,.rd-entry-card:hover .rd-entry-more span{transform:none}
}