/* ========================================================================
   HOME PAGE, vertical-agnostic, persona-routing
   ======================================================================== */

/* Hide persona tags via tweaks toggle */
body.hide-persona-tags .persona-tag { display: none !important; }

/* ========== HERO, three-layer visual ========== */
.home-hero { padding: 120px 0 140px; }
.home-hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 64px; align-items: center; }
@media (max-width: 1080px) { .home-hero-grid { grid-template-columns: 1fr; gap: 56px; } }

.hero-eyebrow-pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); font-size: 12px; font-weight: 600; color: rgba(255,255,255,.85); margin-bottom: 28px; letter-spacing: 0.04em; }
.hero-eyebrow-dot { width: 6px; height: 6px; border-radius: 50%; background: #00D4FF; box-shadow: 0 0 10px #00D4FF; }

.home-hero-h1 { font-size: clamp(48px, 6.4vw, 84px); line-height: 1.04; letter-spacing: -0.025em; }
.home-hero-h1 em { font-style: normal; }
.home-hero-em { color: rgba(255,255,255,.55); font-weight: 400; font-style: italic; }

.home-hero-lead { color: rgba(255,255,255,.85) !important; font-size: 19px !important; max-width: 580px !important; }
.home-hero-sub { color: rgba(255,255,255,.55); font-size: 15px; line-height: 1.55; max-width: 580px; margin: 18px 0 0; }

/* Hero trust row, sits directly under CTAs, gives above-the-fold reassurance */
.hero-trust-row {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  max-width: 580px;
}
.hero-trust-row li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: rgba(255,255,255,.72);
}
.hero-trust-row li svg {
  color: rgba(255,255,255,.92);
  flex-shrink: 0;
}
@media (max-width: 720px) {
  .hero-trust-row { gap: 6px 14px; margin-top: 22px; }
  .hero-trust-row li { font-size: 12px; }
}

/* Three-layer visual card */
.tlv-card { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1); border-radius: 24px; padding: 24px; backdrop-filter: blur(12px); display: flex; flex-direction: column; gap: 14px; box-shadow: 0 24px 60px -20px rgba(0,0,0,.5); }
.tlv-layer { padding: 18px 20px; border-radius: 16px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.07); position: relative; }
.tlv-layer-label { display: flex; align-items: center; gap: 10px; font-size: 11px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: rgba(255,255,255,.55); margin-bottom: 14px; }
.tlv-layer-num { font-family: var(--font-mono); padding: 2px 7px; border-radius: 4px; background: rgba(255,255,255,.08); color: rgba(255,255,255,.7); letter-spacing: 0.05em; }

.tlv-process .tlv-layer-label { color: #00D4FF; }
.tlv-systems .tlv-layer-label { color: #C4B5FD; }
.tlv-ai .tlv-layer-label { color: #FF6B9C; }

.tlv-flow { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.tlv-node { display: inline-flex; align-items: center; gap: 6px; padding: 7px 11px; font-size: 11px; font-weight: 600; border-radius: 8px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.78); transition: all .25s ease; flex-shrink: 0; }
.tlv-node.tlv-event { padding: 0; width: 22px; height: 22px; border-radius: 50%; justify-content: center; }
.tlv-node .tlv-dot { width: 5px; height: 5px; border-radius: 50%; background: rgba(255,255,255,.55); }
.tlv-node.tlv-ai { background: rgba(255,107,156,.15); border-color: rgba(255,107,156,.4); color: #FFB3C9; }
.tlv-node.active { background: linear-gradient(135deg, rgba(0,212,255,.2), rgba(124,58,237,.25)); border-color: rgba(0,212,255,.5); color: #fff; box-shadow: 0 0 0 1px rgba(0,212,255,.4), 0 4px 16px rgba(0,212,255,.2); transform: translateY(-1px); }
.tlv-node.tlv-ai.active { background: linear-gradient(135deg, rgba(255,107,156,.3), rgba(124,58,237,.25)); border-color: rgba(255,107,156,.6); color: #fff; }
.tlv-node.done { opacity: 0.5; }
.tlv-edge { flex: 1; height: 1.5px; background: rgba(255,255,255,.15); min-width: 8px; transition: background .25s; }
.tlv-edge.done { background: rgba(0,212,255,.4); }

.tlv-systems-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 12px; }
.tlv-system { padding: 10px; border-radius: 10px; background: rgba(124,58,237,.1); border: 1px solid rgba(124,58,237,.25); display: flex; flex-direction: column; gap: 3px; }
.tlv-sys-tag { font-family: var(--font-mono); font-size: 9px; font-weight: 700; color: #C4B5FD; letter-spacing: 0.1em; }
.tlv-sys-name { font-size: 11px; font-weight: 600; color: rgba(255,255,255,.92); letter-spacing: -0.01em; }
.tlv-protocols { display: flex; gap: 6px; flex-wrap: wrap; }
.tlv-protocols span { font-family: var(--font-mono); font-size: 9px; font-weight: 600; padding: 3px 7px; border-radius: 4px; background: rgba(255,255,255,.05); color: rgba(255,255,255,.5); letter-spacing: 0.06em; }

.tlv-ai-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.tlv-agent { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-radius: 10px; background: rgba(255,107,156,.12); border: 1px solid rgba(255,107,156,.3); flex: 1; min-width: 0; color: #FFB3C9; }
.tlv-agent-title { font-size: 12px; font-weight: 600; color: #fff; }
.tlv-agent-meta { font-family: var(--font-mono); font-size: 10px; color: rgba(255,107,156,.85); margin-top: 2px; letter-spacing: 0.04em; }
.tlv-audit { display: inline-flex; align-items: center; gap: 6px; font-size: 10px; font-weight: 700; letter-spacing: 0.1em; padding: 6px 10px; border-radius: 6px; background: rgba(110,231,183,.12); color: #6EE7B7; border: 1px solid rgba(110,231,183,.3); white-space: nowrap; }

/* ========== PERSONA SELECTOR ========== */
.persona-section { padding: 120px 0; }
.persona-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 56px; align-items: stretch; }
@media (max-width: 980px) { .persona-grid { grid-template-columns: 1fr; } }
/* Vertically align Title / Pull / Body / Link across all 3 cards via subgrid.
   Each card spans 6 rows: head, eyebrow, title, pull, body, link.
   Each row sizes to the tallest occurrence across all 3 cards (no min-heights). */
@media (min-width: 981px) {
  .persona-grid {
    grid-template-rows: repeat(6, auto);
    gap: 24px;
    row-gap: 14px;
  }
  /* Higher specificity than `.persona-card { display: flex }` below */
  .persona-grid > .persona-card {
    display: grid;
    grid-template-rows: subgrid;
    grid-row: span 6;
    gap: 0;
    row-gap: 14px;
  }
  .persona-grid > .persona-card > * { margin: 0; align-self: start; }
  .persona-grid > .persona-card .persona-head { margin-bottom: 0; }
  .persona-grid > .persona-card .persona-link { margin-top: 0; padding-top: 0; align-self: end; }
}

.persona-card { display: flex; flex-direction: column; gap: 14px; background: var(--paper); border: 1px solid var(--border-1); border-radius: 24px; padding: 36px 32px; text-decoration: none; color: inherit; position: relative; overflow: hidden; transition: all .25s ease; }
.persona-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--persona-color); }
.persona-card:hover { transform: translateY(-4px); box-shadow: 0 32px 64px -28px hsl(var(--h-fg-1) / .18); border-color: var(--persona-border); }
.persona-card:hover .persona-link .arrow { transform: translateX(4px); }

/* DS state-color personas, collab=violet, automate=cyan, intel=pink */
.persona-card.tone-collab { --persona-color: var(--state-collab); --persona-bg: var(--state-collab-bg); --persona-border: var(--state-collab-br); --persona-fg: var(--state-collab); }
.persona-card.tone-automate { --persona-color: var(--state-automate); --persona-bg: var(--state-automate-bg); --persona-border: var(--state-automate-br); --persona-fg: var(--state-automate); }
.persona-card.tone-intel { --persona-color: var(--state-intel); --persona-bg: var(--state-intel-bg); --persona-border: var(--state-intel-br); --persona-fg: var(--state-intel); }

.persona-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 4px; }
.persona-icon { width: 48px; height: 48px; border-radius: 14px; background: var(--persona-bg); color: var(--persona-color); display: inline-flex; align-items: center; justify-content: center; }
.persona-num { font-family: var(--font-mono); font-size: 13px; font-weight: 700; color: var(--fg-3); letter-spacing: 0.1em; }
.persona-eyebrow { font-size: 11px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--persona-color); margin: 0; }
.persona-title { font-family: var(--font-serif); font-weight: 700; font-size: 24px; line-height: 1.2; letter-spacing: -0.02em; margin: 0; color: var(--fg-1); }
.persona-pull { font-family: var(--font-serif); font-style: italic; font-size: 17px; line-height: 1.4; color: var(--persona-fg); margin: 4px 0 4px; padding-left: 14px; border-left: 2px solid var(--persona-color); }
.persona-body { font-size: 14.5px; line-height: 1.55; color: var(--fg-2); margin: 0; }
.persona-link { margin-top: auto; padding-top: 12px; font-size: 14px; font-weight: 600; color: var(--persona-color); display: inline-flex; align-items: center; gap: 8px; }
.persona-link .arrow { transition: transform .15s; display: inline-block; }

.persona-bridge { max-width: 820px; margin: 0 auto; padding: 28px 36px; border-left: 3px solid var(--primary); background: var(--page-bg-surface); border-radius: 0 16px 16px 0; }
.persona-bridge p { font-family: var(--font-serif); font-style: italic; font-size: 18px; line-height: 1.5; color: var(--fg-1); margin: 0; letter-spacing: -0.005em; }
.persona-bridge strong { font-style: normal; font-weight: 600; color: var(--primary); }

/* ========== PERSONA SECTION HEAD ========== */
.persona-section-head { text-align: center; margin-bottom: 64px; }
.persona-section-h2 { margin: 28px auto 56px; text-align: center; }
.persona-tag { display: inline-flex; align-items: center; gap: 10px; padding: 6px 14px; border-radius: 999px; font-size: 11px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; }
.persona-tag span:first-child { font-family: var(--font-mono); font-weight: 700; }
.persona-tag-collab { background: var(--state-collab-bg); color: var(--state-collab); border: 1px solid var(--state-collab-br); }
.persona-tag-automate { background: var(--state-automate-bg); color: var(--state-automate); border: 1px solid var(--state-automate-br); }
.persona-tag-intel { background: var(--state-intel-bg); color: var(--state-intel); border: 1px solid var(--state-intel-br); }
.persona-tag-intel.dark { background: rgba(255,107,156,.12); color: #FFB3C9; border-color: rgba(255,107,156,.3); }

/* ========== PERSONA SECTION CHIP, compact anchor that echoes Section-2 ========== */
.persona-chip {
  --pc-color: var(--state-collab);
  --pc-bg: var(--state-collab-bg);
  --pc-border: var(--state-collab-br);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px 7px 8px;
  border-radius: 999px;
  background: var(--pc-bg);
  border: 1px solid var(--pc-border);
  margin: 0 auto 28px;
  max-width: 100%;
}
.persona-chip-wrap { display: flex; justify-content: center; }
.persona-section-h2 + * { /* no-op anchor */ }
section .persona-chip { display: inline-flex; }
/* center the chip in its section */
.section .persona-chip,
.ai-governance-section .persona-chip {
  display: flex;
  margin-left: auto;
  margin-right: auto;
  width: max-content;
  max-width: 100%;
}
.persona-chip.tone-collab    { --pc-color: var(--state-collab);   --pc-bg: var(--state-collab-bg);   --pc-border: var(--state-collab-br); }
.persona-chip.tone-automate  { --pc-color: var(--state-automate); --pc-bg: var(--state-automate-bg); --pc-border: var(--state-automate-br); }
.persona-chip.tone-intel     { --pc-color: var(--state-intel);    --pc-bg: var(--state-intel-bg);    --pc-border: var(--state-intel-br); }
.persona-chip.on-dark {
  --pc-color: #FFB3C9;
  --pc-bg: rgba(255,107,156,.10);
  --pc-border: rgba(255,107,156,.28);
}
.persona-chip-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #fff;
  background: var(--pc-color);
  padding: 4px 8px;
  border-radius: 999px;
  line-height: 1;
}
.persona-chip-icon {
  color: var(--pc-color);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.persona-chip-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pc-color);
}
.persona-chip-sep {
  color: var(--pc-color);
  opacity: .55;
  font-weight: 700;
}
.persona-chip-pull {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  line-height: 1.3;
  color: var(--fg-1);
  letter-spacing: -0.005em;
}
.persona-chip.on-dark .persona-chip-pull { color: rgba(255,255,255,.9); }
@media (max-width: 720px) {
  .persona-chip { gap: 8px; padding: 6px 12px 6px 6px; }
  .persona-chip-sep { display: none; }
  .persona-chip-pull { font-size: 13px; }
}

.period-collab { color: var(--state-collab); }
.period-automate { color: var(--state-automate); }
.period-intel { color: var(--state-intel); }

/* ========== USE-CASE ARCHETYPES ========== */
.archetype-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 48px; }
@media (max-width: 980px) { .archetype-grid { grid-template-columns: 1fr; } }

.archetype-card { display: flex; flex-direction: column; gap: 14px; background: var(--paper); border: 1px solid var(--border-1); border-radius: 24px; padding: 32px; text-decoration: none; color: inherit; transition: all .2s ease; min-height: 380px; }
.archetype-card:hover { transform: translateY(-3px); box-shadow: 0 24px 48px -24px hsl(var(--h-fg-1) / .15); border-color: var(--state-collab-br); }
.archetype-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 4px; }
.archetype-icon { width: 44px; height: 44px; border-radius: 12px; background: var(--state-collab-bg); color: var(--state-collab); display: inline-flex; align-items: center; justify-content: center; }
.archetype-tag { font-family: var(--font-mono); font-size: 11px; font-weight: 700; color: var(--state-collab); letter-spacing: 0.12em; text-transform: uppercase; padding: 4px 10px; border-radius: 6px; background: var(--state-collab-bg); }
.archetype-title { font-family: var(--font-serif); font-weight: 700; font-size: 24px; line-height: 1.2; letter-spacing: -0.02em; margin: 0; color: var(--fg-1); }
.archetype-result { font-family: var(--font-serif); font-style: italic; font-size: 18px; line-height: 1.35; color: var(--state-collab); margin: 0; font-weight: 600; letter-spacing: -0.01em; }
.archetype-body { font-size: 14.5px; line-height: 1.6; color: var(--fg-2); margin: 0; }
.archetype-link { margin-top: auto; padding-top: 8px; font-size: 14px; font-weight: 600; color: var(--state-collab); display: inline-flex; align-items: center; gap: 8px; }
.archetype-card:hover .archetype-link .arrow { transform: translateX(4px); }

.section-cta-row { text-align: center; margin-top: 48px; }

/* Lighter, inline-style "more" link at section end, replaces heavy outline buttons */
.section-link-row { display: flex; justify-content: flex-end; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--border-1); }
.section-link { font-size: 14.5px; font-weight: 600; color: var(--fg-1); text-decoration: none; display: inline-flex; align-items: center; gap: 8px; transition: gap .2s ease, color .2s ease; }
.section-link:hover { gap: 12px; }
.section-link.tone-automate { color: var(--state-automate); }
.section-link.tone-collab { color: var(--state-collab); }
.section-link.tone-intel { color: var(--state-intel); }
.section-link svg { transition: transform .2s ease; }
.section-link:hover svg { transform: translateX(2px); }
@media (max-width: 720px) { .section-link-row { justify-content: flex-start; } }

/* ========== USE-CASE LAYOUT, mirrors Section 2's persona-card hierarchy ========== */
/* Hero use case: big card with quote/result + body + flow diagram, parallels persona-card */
.usecase-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
  background: linear-gradient(135deg, var(--state-collab-bg) 0%, var(--paper) 70%);
  border: 1px solid var(--state-collab-br);
  border-radius: 28px;
  padding: 48px 56px;
  text-decoration: none;
  color: inherit;
  transition: all .25s ease;
  position: relative;
  overflow: hidden;
  margin-bottom: 56px;
}
.usecase-hero::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--state-collab);
}
.usecase-hero:hover {
  transform: translateY(-3px);
  box-shadow: 0 28px 64px -28px hsl(var(--h-fg-1) / .18);
  border-color: var(--state-collab);
}
.usecase-hero:hover .usecase-hero-link .arrow { transform: translateX(4px); }
@media (max-width: 880px) {
  .usecase-hero { grid-template-columns: 1fr; gap: 32px; padding: 36px 28px; }
}
.usecase-hero-text { display: flex; flex-direction: column; gap: 12px; }
.usecase-hero-head { display: flex; align-items: center; gap: 14px; margin-bottom: 6px; }
.usecase-hero-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--state-collab-bg);
  color: var(--state-collab);
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--state-collab-br);
}
.usecase-hero-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--state-collab);
}
.usecase-hero-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(28px, 2.6vw, 36px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin: 0;
  color: var(--fg-1);
}
.usecase-hero-result {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 19px;
  line-height: 1.4;
  color: var(--state-collab);
  margin: 4px 0 4px;
  padding-left: 14px;
  border-left: 2px solid var(--state-collab-br);
  font-weight: 600;
  letter-spacing: -0.005em;
}
.usecase-hero-body {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--fg-2);
  margin: 0;
  max-width: 50ch;
}
.usecase-hero-link {
  margin-top: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--state-collab);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.usecase-hero-link .arrow { transition: transform .15s; display: inline-block; }

/* Mini flow diagram inside the hero, visual signal of "end-to-end orchestration" */
.usecase-hero-flow {
  display: flex; flex-direction: column; gap: 6px;
  padding: 28px 24px;
  background: var(--paper);
  border: 1px solid var(--border-1);
  border-radius: 20px;
  box-shadow: 0 12px 32px -16px hsl(var(--h-fg-1) / .12);
}
.uhf-step {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px; font-weight: 600;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--page-bg-surface);
  border: 1px solid var(--border-1);
  color: var(--fg-2);
}
.uhf-step.uhf-done {
  background: var(--state-collab-bg);
  border-color: var(--state-collab-br);
  color: var(--state-collab);
}
.uhf-edge {
  width: 2px; height: 14px;
  background: linear-gradient(180deg, var(--border-1), var(--state-collab-br));
  margin-left: 24px;
}

/* Supporting use cases, visually clearly secondary to the hero, but structured */
.usecase-supporting-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin: 0 0 20px;
  text-align: center;
}
.usecase-support-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 8px;
}
@media (max-width: 1100px) { .usecase-support-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px)  { .usecase-support-grid { grid-template-columns: 1fr; } }

.usecase-support {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--paper);
  border: 1px solid var(--border-1);
  border-radius: 18px;
  padding: 24px 22px 22px;
  text-decoration: none;
  color: inherit;
  transition: all .2s ease;
  min-height: 180px;
}
.usecase-support::before {
  content: '';
  position: absolute; top: 0; left: 18px; right: 18px;
  height: 2px;
  background: var(--state-collab);
  opacity: .55;
  border-radius: 0 0 4px 4px;
}
.usecase-support:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 36px -20px hsl(var(--h-fg-1) / .15);
  border-color: var(--state-collab-br);
}
.usecase-support:hover::before { opacity: 1; }
.usecase-support:hover .usecase-support-arrow { opacity: 1; transform: translateX(0); }
.usecase-support-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--state-collab);
  margin-bottom: 2px;
}
.usecase-support-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--state-collab-bg);
  color: var(--state-collab);
  display: inline-flex; align-items: center; justify-content: center;
}
.usecase-support-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 4px 0 0;
  color: var(--fg-1);
}
.usecase-support-result {
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--fg-2);
  margin: 0;
}
.usecase-support-arrow {
  position: absolute;
  top: 22px; right: 22px;
  color: var(--state-collab);
  opacity: 0;
  transform: translateX(-4px);
  transition: all .2s ease;
}

/* AI chip, appears on hero card and every support tile to signal AI is part of every use case.
   Uses a slight default transparency so it sits softly on the card; lights up to full saturation
   on hover (the hint becomes "active" when the user actually engages with the card). */
.usecase-ai-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  line-height: 1.2;
  background: linear-gradient(135deg, #00D4FF 0%, #7729FF 50%, #FF6B9C 100%);
  color: #fff;
  border: none;
  align-self: flex-start;
  white-space: normal;
  max-width: 100%;
  box-shadow: 0 2px 8px -2px rgba(119,41,255,.35);
  letter-spacing: 0.01em;
  opacity: 0.78;
  transition: opacity .2s ease, box-shadow .2s ease, transform .2s ease;
}
.usecase-ai-chip svg { color: #fff; flex-shrink: 0; }
.usecase-hero:hover .usecase-ai-chip,
.usecase-support:hover .usecase-ai-chip {
  opacity: 1;
  box-shadow: 0 4px 14px -3px rgba(119,41,255,.5);
}

/* Smaller variant for support tiles, gradient border on white, gradient icon, dark text.
   Less aggressive when 4 sit in a row, but still clearly "AI-iger" than a flat pill. */
.usecase-ai-chip-sm {
  background: #fff;
  color: var(--fg-1);
  padding: 4px 9px;
  font-size: 11px;
  font-weight: 600;
  margin-top: auto;
  white-space: normal;
  text-align: left;
  line-height: 1.3;
  position: relative;
  box-shadow: none;
  /* gradient border via padding-box + border-box trick */
  background-image:
    linear-gradient(#fff, #fff),
    linear-gradient(135deg, #00D4FF 0%, #7729FF 50%, #FF6B9C 100%);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  border: 1.5px solid transparent;
  opacity: 0.72;
  transition: opacity .2s ease;
}
.usecase-support:hover .usecase-ai-chip-sm,
.discipline-hero:hover .discipline-ai-chip { opacity: 1; }
/* Chip sits in the text column, keep it self-contained */
.discipline-ai-chip { align-self: flex-start; margin-top: 2px; }
.usecase-ai-chip-sm svg {
  color: #7729FF;
  fill: none;
}

/* Note paragraph under the H2 explaining "AI in every use case" */
.usecase-ai-note {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: center;
  margin-top: 14px;
  font-size: 14px;
  color: var(--fg-2);
}
.usecase-ai-note-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: #7C3AED;
  color: #fff;
}
.usecase-ai-note-chip svg { color: #fff; flex-shrink: 0; }

/* Legacy 5-card grid, kept for any other use, but home page now uses usecase-* */
.solution-teaser-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; margin-bottom: 8px; align-items: stretch; }
@media (max-width: 1180px) { .solution-teaser-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 720px) { .solution-teaser-grid { grid-template-columns: 1fr; } }

.solution-teaser { display: flex; flex-direction: column; gap: 14px; background: var(--paper); border: 1px solid var(--border-1); border-radius: 20px; padding: 24px; text-decoration: none; color: inherit; transition: all .2s ease; position: relative; min-height: 220px; height: 100%; box-sizing: border-box; }
.solution-teaser:hover { transform: translateY(-3px); box-shadow: 0 18px 36px -20px hsl(var(--h-fg-1) / .15); border-color: var(--state-collab-br); }
.solution-teaser-icon { width: 44px; height: 44px; border-radius: 12px; background: var(--state-collab-bg); color: var(--state-collab); display: inline-flex; align-items: center; justify-content: center; }
.solution-teaser-body { display: flex; flex-direction: column; gap: 8px; flex: 1; }
.solution-teaser-title { font-family: var(--font-serif); font-weight: 700; font-size: 19px; line-height: 1.2; letter-spacing: -0.015em; margin: 0; color: var(--fg-1); }
.solution-teaser-result { font-size: 14px; line-height: 1.45; color: var(--fg-2); margin: 0; }
.solution-teaser-arrow { position: absolute; top: 24px; right: 24px; color: var(--state-collab); opacity: 0; transform: translateX(-4px); transition: all .2s ease; }
.solution-teaser:hover .solution-teaser-arrow { opacity: 1; transform: translateX(0); }

/* ========== PLATFORM-DEEP ========== */
.discipline-card { display: flex; flex-direction: column; gap: 14px; background: var(--paper); border: 1px solid var(--border-1); border-radius: 24px; padding: 32px; text-decoration: none; color: inherit; transition: all .2s ease; position: relative; }
.discipline-card.featured { background: linear-gradient(180deg, var(--state-automate-bg) 0%, var(--paper) 60%); border-color: var(--state-automate-br); }
.discipline-card.featured::before { content: 'Kern'; position: absolute; top: 16px; right: 20px; font-size: 11px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--state-automate); padding: 3px 9px; border-radius: 4px; background: rgba(255,255,255,.7); border: 1px solid var(--state-automate-br); }
.discipline-card:hover { transform: translateY(-3px); box-shadow: 0 24px 48px -24px hsl(var(--h-fg-1) / .15); border-color: var(--state-automate-br); }
.discipline-tag { font-size: 11px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-3); }
.discipline-card.featured .discipline-tag { color: var(--state-automate); }
.discipline-title { font-family: var(--font-serif); font-weight: 700; font-size: 26px; line-height: 1.15; letter-spacing: -0.02em; margin: 0; color: var(--fg-1); }
.discipline-body { font-size: 15px; line-height: 1.6; color: var(--fg-2); margin: 0; }
.discipline-link { margin-top: auto; padding-top: 8px; font-size: 14px; font-weight: 600; color: var(--state-automate); display: inline-flex; align-items: center; gap: 6px; }
.discipline-card:hover .discipline-link .arrow { transform: translateX(4px); }

.pillar-strip { background: var(--paper); border: 1px solid var(--border-1); border-radius: 24px; padding: 40px; }
.pillar-strip-eyebrow { font-size: 11px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--state-automate); margin: 0 0 28px; text-align: center; }
.pillar-mini { display: flex; flex-direction: column; gap: 10px; padding: 0; }
.pillar-mini-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--state-automate-bg); color: var(--state-automate); display: inline-flex; align-items: center; justify-content: center; }
.pillar-mini h4 { font-family: var(--font-serif); font-weight: 700; font-size: 18px; line-height: 1.25; letter-spacing: -0.01em; margin: 0; color: var(--fg-1); }
.pillar-mini p { font-size: 14px; line-height: 1.55; color: var(--fg-2); margin: 0; }

/* === Asymmetric 1+2 stack: BPO hero + BPM/EAM enablers === */
.discipline-stack { display: flex; flex-direction: column; gap: 20px; margin-bottom: 64px; }

.discipline-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
  background: linear-gradient(135deg, var(--state-automate-bg) 0%, var(--paper) 70%);
  border: 1px solid var(--state-automate-br);
  border-radius: 28px;
  padding: 56px;
  text-decoration: none;
  color: inherit;
  transition: all .25s ease;
  position: relative;
  overflow: hidden;
}
.discipline-hero:hover { transform: translateY(-3px); box-shadow: 0 28px 64px -28px hsl(var(--h-fg-1) / .18); border-color: var(--state-automate); }
@media (max-width: 880px) {
  .discipline-hero { grid-template-columns: 1fr; gap: 36px; padding: 36px 28px; }
}
.discipline-hero-text { display: flex; flex-direction: column; gap: 14px; }
.discipline-hero-kicker {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--state-automate);
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(255,255,255,.7);
  border: 1px solid var(--state-automate-br);
  margin-bottom: 4px;
}
.discipline-hero-title { font-family: var(--font-serif); font-weight: 700; font-size: clamp(30px, 3vw, 40px); line-height: 1.1; letter-spacing: -0.025em; margin: 0; color: var(--fg-1); }
.discipline-hero-body { font-size: 16px; line-height: 1.6; color: var(--fg-2); margin: 0; max-width: 48ch; }

/* Mini architecture diagram inside the BPO hero */
.discipline-hero-diagram {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px;
  background: var(--paper);
  border: 1px solid var(--border-1);
  border-radius: 20px;
  box-shadow: 0 12px 32px -16px hsl(var(--h-fg-1) / .12);
}
.dhd-row { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.dhd-row span {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 11.5px; font-weight: 600;
  padding: 7px 11px; border-radius: 8px;
  background: var(--page-bg-surface); border: 1px solid var(--border-1);
  color: var(--fg-2);
}
.dhd-row.dhd-out span { color: var(--state-collab); border-color: var(--state-collab-br); background: var(--state-collab-bg); }
.dhd-flow { width: 1px; height: 18px; background: linear-gradient(180deg, var(--border-1), var(--state-automate-br)); margin: 0 auto; }
.dhd-core {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  padding: 18px 20px;
  background: var(--state-automate-bg);
  border: 1px solid var(--state-automate);
  border-radius: 14px;
  position: relative;
}
.dhd-core-eyebrow { font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--state-automate); }
.dhd-core-bars { display: flex; gap: 4px; align-items: end; height: 22px; }
.dhd-core-bars span { display: block; width: 6px; background: var(--state-automate); border-radius: 2px; opacity: .85; }
.dhd-core-bars span:nth-child(1) { height: 40%; }
.dhd-core-bars span:nth-child(2) { height: 75%; }
.dhd-core-bars span:nth-child(3) { height: 100%; }
.dhd-core-bars span:nth-child(4) { height: 60%; }
.dhd-core-bars span:nth-child(5) { height: 85%; }
.dhd-core-foot { font-size: 11.5px; color: var(--fg-3); letter-spacing: 0.02em; }

/* Enabler row (BPM + EAM), visually clearly secondary */
.discipline-enablers { display: flex; flex-direction: column; gap: 16px; }
.discipline-enablers-eyebrow {
  font-size: 11px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--fg-3); margin: 4px 0 0; text-align: center;
}
.discipline-enablers-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 760px) { .discipline-enablers-grid { grid-template-columns: 1fr; } }
.discipline-enabler {
  display: flex; flex-direction: column; gap: 10px;
  background: var(--paper); border: 1px solid var(--border-1); border-radius: 20px;
  padding: 28px 32px;
  text-decoration: none; color: inherit;
  transition: all .2s ease;
}
.discipline-enabler:hover { border-color: var(--state-automate-br); transform: translateY(-2px); box-shadow: 0 16px 36px -20px hsl(var(--h-fg-1) / .12); }
.discipline-enabler .discipline-tag { color: var(--fg-3); }
.discipline-enabler-title { font-family: var(--font-serif); font-weight: 700; font-size: 22px; line-height: 1.2; letter-spacing: -0.018em; margin: 0; color: var(--fg-1); }
.discipline-enabler-body { font-size: 14.5px; line-height: 1.55; color: var(--fg-2); margin: 0; }
.discipline-enabler .discipline-link { margin-top: 4px; }

/* ========== AI-GOVERNANCE ========== */
.ai-governance-section { background: var(--hero-ink); color: #fff; position: relative; overflow: hidden; padding: 120px 0; }
.ai-gov-bg-glows { position: absolute; inset: 0; background:
  radial-gradient(ellipse 60% 80% at 80% 20%, rgba(255,107,156,.1) 0%, transparent 60%),
  radial-gradient(ellipse 60% 80% at 20% 80%, rgba(124,58,237,.08) 0%, transparent 60%);
}
.ai-governance-section h2 { color: #fff; }
.ai-gov-h2 { font-size: clamp(36px, 4.5vw, 56px); }
.ai-gov-lead { color: rgba(255,255,255,.7) !important; }

/* Compare block */
.compare-block { display: grid; grid-template-columns: 1fr auto 1fr; gap: 24px; align-items: stretch; max-width: 1080px; margin: 0 auto 72px; }
@media (max-width: 880px) { .compare-block { grid-template-columns: 1fr; gap: 16px; } }

.compare-card { padding: 32px; border-radius: 20px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08); }
.compare-card.classic { background: rgba(255,107,107,.04); border-color: rgba(255,107,107,.18); }
.compare-card.chester { background: rgba(110,231,183,.04); border-color: rgba(110,231,183,.22); }
.compare-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; padding-bottom: 18px; border-bottom: 1px solid rgba(255,255,255,.08); }
.compare-tag-classic { font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: #FF8585; }
.compare-tag-chester { font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: #6EE7B7; }
.compare-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 14px; }
.compare-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; line-height: 1.5; color: rgba(255,255,255,.85); }
.compare-mark { width: 22px; height: 22px; border-radius: 6px; display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto; margin-top: 1px; }
.mark-x { background: rgba(255,107,107,.15); color: #FF8585; }
.mark-check { background: rgba(110,231,183,.15); color: #6EE7B7; }
.compare-card.classic .compare-list li { color: rgba(255,255,255,.65); text-decoration: line-through; text-decoration-color: rgba(255,107,107,.3); }
.compare-divider { display: flex; align-items: center; justify-content: center; }
.compare-divider span { font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: 0.18em; padding: 8px 14px; border-radius: 999px; background: rgba(255,255,255,.06); color: rgba(255,255,255,.5); border: 1px solid rgba(255,255,255,.1); }

/* AI capability grid */
.ai-cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 64px; }
@media (max-width: 880px) { .ai-cap-grid { grid-template-columns: 1fr; } }
.ai-cap-cell { background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08); border-radius: 18px; padding: 28px; }
.ai-cap-icon { width: 40px; height: 40px; border-radius: 10px; background: rgba(255,107,156,.12); color: #FFB3C9; display: inline-flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.ai-cap-cell h4 { font-family: var(--font-serif); font-weight: 700; font-size: 20px; line-height: 1.2; color: #fff; margin: 0 0 10px; letter-spacing: -0.01em; }
.ai-cap-cell p { font-size: 14px; line-height: 1.55; color: rgba(255,255,255,.65); margin: 0; }

.ai-gov-pull { max-width: 820px; margin: 0 auto; padding: 32px 40px; border-left: 3px solid #FF6B9C; background: rgba(255,255,255,.03); border-radius: 0 16px 16px 0; }
.ai-gov-pull p { font-family: var(--font-serif); font-size: 19px; font-style: italic; line-height: 1.5; color: rgba(255,255,255,.92); margin: 0; letter-spacing: -0.005em; }
.ai-gov-pull strong { font-style: normal; font-weight: 600; color: #FFB3C9; }

/* ========== TRUST PILLARS ========== */
.compliance-chip { padding: 12px 22px; font-size: 13px; font-weight: 600; gap: 12px; background: var(--paper); border: 1px solid var(--border-1); }
.compliance-chip .cc-sep { color: var(--fg-3); font-weight: 400; }
.trust-pillar { display: flex; flex-direction: column; gap: 10px; padding: 28px; background: var(--paper); border: 1px solid var(--border-1); border-radius: 18px; }
.trust-pillar-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--accent); color: var(--primary); display: inline-flex; align-items: center; justify-content: center; }
.trust-pillar h4 { font-family: var(--font-serif); font-weight: 700; font-size: 18px; line-height: 1.25; letter-spacing: -0.01em; margin: 4px 0 4px; color: var(--fg-1); }
.trust-pillar p { font-size: 14px; line-height: 1.55; color: var(--fg-2); margin: 0; }

/* ========== INTEGRATIONS ========== */
.protocol-row { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 56px; }
.protocol-badge { font-family: var(--font-mono); font-size: 12px; font-weight: 700; letter-spacing: 0.1em; padding: 8px 16px; border-radius: 999px; background: var(--paper); border: 1px solid var(--border-1); color: var(--fg-1); }

.integration-cats { display: flex; flex-direction: column; gap: 28px; max-width: 1080px; margin: 0 auto; }
.integration-cat { display: grid; grid-template-columns: 200px 1fr; gap: 32px; align-items: start; padding-bottom: 24px; border-bottom: 1px solid var(--border-1); }
.integration-cat:last-child { border-bottom: 0; }
@media (max-width: 760px) { .integration-cat { grid-template-columns: 1fr; gap: 12px; } }
.integration-cat-label { font-size: 12px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-3); padding-top: 10px; }
.integration-tiles { display: flex; flex-wrap: wrap; gap: 8px; }
.integration-tile { padding: 10px 16px; background: var(--paper); border: 1px solid var(--border-1); border-radius: 10px; font-size: 14px; font-weight: 600; color: var(--fg-1); transition: all .15s; }
.integration-tile:hover { border-color: hsl(var(--h-primary)/.4); transform: translateY(-1px); box-shadow: 0 6px 16px -8px hsl(var(--h-fg-1) / .15); }

/* New flat 5-column logo-style grid (as on big SaaS sites) */
.integration-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; max-width: 1080px; margin: 0 auto; }
@media (max-width: 980px) { .integration-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 600px) { .integration-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.integration-card { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; background: var(--paper); border: 1px solid var(--border-1); border-radius: 16px; padding: 28px 16px; min-height: 120px; transition: all .2s ease; }
.integration-card:hover { transform: translateY(-2px); box-shadow: 0 14px 32px -16px hsl(var(--h-fg-1) / .18); border-color: hsl(var(--h-primary) / .35); }
.integration-logo { width: 44px; height: 44px; object-fit: contain; display: block; border-radius: 8px; }
.integration-logo-fallback { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; font-family: var(--font-display, inherit); font-size: 26px; font-weight: 700; line-height: 1; letter-spacing: -0.02em; }
.integration-name { font-size: 14.5px; font-weight: 600; color: var(--fg-1); letter-spacing: -0.005em; text-align: center; }
.int-missing-note,
.section-cta-note { text-align: center; margin: 48px auto 0; font-size: 14px; color: var(--fg-2); max-width: 640px; }
.int-missing-note a,
.section-cta-note a { color: var(--fg-1); font-weight: 600; border-bottom: 1px solid hsl(var(--h-primary) / .35); padding-bottom: 1px; transition: border-color .15s ease, color .15s ease; display: inline-flex; align-items: center; gap: 4px; }
.int-missing-note a:hover,
.section-cta-note a:hover { color: hsl(var(--h-primary)); border-bottom-color: hsl(var(--h-primary)); }

/* On dark sections (e.g. AI Governance) flip to light text + violet accent */
.ai-governance-section .section-cta-note { color: rgba(255,255,255,.65); }
.ai-governance-section .section-cta-note a { color: #fff; border-bottom-color: rgba(196,181,253,.55); }
.ai-governance-section .section-cta-note a:hover { color: #C4B5FD; border-bottom-color: #C4B5FD; }

/* ========== FINAL CTA, persona splits ========== */
.home-final-cta { padding: 80px 64px 64px; }
.final-cta-personas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 56px; }
@media (max-width: 760px) { .final-cta-personas { grid-template-columns: 1fr; } }
.fcta-persona { display: flex; flex-direction: column; gap: 14px; align-items: center; padding: 16px; text-align: center; }
.fcta-persona-tag { font-size: 10px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; white-space: nowrap; }
.fcta-persona-tag.tone-collab { background: #7C3AED; color: #fff; border: 1px solid #C4B5FD; }
.fcta-persona-tag.tone-automate { background: #0891B2; color: #fff; border: 1px solid #67E8F9; }
.fcta-persona-tag.tone-intel { background: #DB2777; color: #fff; border: 1px solid #FFB3C9; }
.fcta-persona a { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: #fff; text-decoration: none; transition: color .15s; white-space: nowrap; }
.fcta-persona a svg { flex-shrink: 0; }
.fcta-persona a:hover { color: #fff; text-decoration: underline; }

/* ========== anchors ========== */
.persona-anchor { scroll-margin-top: 80px; }

/* ========== stronger visual break between persona sections ========== */
.persona-anchor + .section.alt-bg.persona-anchor {
  position: relative;
}
.persona-anchor + .section.alt-bg.persona-anchor::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 64px;
  height: 1px;
  background: var(--border-1);
}
@media (max-width: 768px) {
}


/* ========== ARCHITECTURE DIAGRAM (Slide 7) ==========
   Lebt in der dunklen AI-Governance-Section.
   Externes Layout = drei Spalten: Enterprise | Hub | Legacy.
   Hub selbst = dunkler Verlaufs-Container mit Inhalts-Layout. */

.arch-wrap {
  margin: 64px auto 0;
  max-width: 1340px;
  position: relative;
  background: linear-gradient(180deg, #0E0820 0%, #1A0F38 100%);
  border-radius: 24px;
  padding: 56px 48px 64px;
  border: 1px solid rgba(168,134,255,0.12);
  box-shadow: 0 30px 80px -30px rgba(20, 8, 50, 0.5);
}
@media (max-width: 760px) {
  .arch-wrap { padding: 40px 20px 48px; border-radius: 16px; }
}

.arch-eyebrow {
  font-family: var(--font-mono, ui-monospace, Menlo, monospace);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #C4B5FD;
  text-align: center;
  margin-bottom: 14px;
}

.arch-title {
  font-family: var(--font-serif, Georgia, serif);
  font-weight: 700;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #fff;
  text-align: center;
  margin: 0 0 16px;
}

.arch-sub {
  font-size: 16px;
  line-height: 1.6;
  color: rgba(255,255,255,.7);
  text-align: center;
  max-width: 880px;
  margin: 0 auto 44px;
}
.arch-sub em { font-style: italic; color: #E4D8FF; }

/* Outer stack: enterprise (top) · hub · legacy (bottom) */
.arch-grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: stretch;
}

/* --- Side rows (Enterprise / Legacy) --- */
.arch-side {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.arch-side-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
  margin-bottom: 2px;
}
.arch-side-cards {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
}

.arch-sys-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(168,134,255,0.18);
  border-radius: 12px;
  padding: 14px 16px;
  border-left: 3px solid #A886FF;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  transition: border-color .25s ease, background .25s ease, transform .25s ease;
}
.arch-sys-card:hover {
  border-color: rgba(168,134,255,0.4);
  background: rgba(255,255,255,0.06);
  transform: translateY(-1px);
}
.arch-sys-name {
  font-size: 15px;
  font-weight: 500;
  color: #fff;
  line-height: 1.2;
}
.arch-sys-sub {
  font-size: 12px;
  color: rgba(255,255,255,.55);
  margin-top: 4px;
  letter-spacing: 0.04em;
}
.arch-sys-tag {
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #C4B5FD;
  background: rgba(168,134,255,0.15);
  padding: 4px 8px;
  border-radius: 6px;
  flex-shrink: 0;
}

/* --- Hub wrap (arrows removed) --- */
.arch-hub-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
}
.arch-arrow { display: none; }

/* --- Hub card --- */
.arch-hub {
  background: linear-gradient(160deg, #1A0E33 0%, #2A1654 100%);
  border: 1px solid rgba(168,134,255,0.22);
  border-radius: 20px;
  padding: 30px 28px 24px;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow: 0 30px 80px -24px rgba(119,41,255,0.55);
  position: relative;
  overflow: hidden;
}
.arch-hub-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(600px 300px at 50% 0%, rgba(168,134,255,0.22), transparent 70%);
  pointer-events: none;
}
.arch-hub-header {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.arch-mark { width: 32px; height: 32px; }
.arch-hub-brand {
  font-family: var(--font-serif, Georgia, serif);
  font-weight: 700;
  font-size: 32px;
  color: #fff;
  letter-spacing: -0.02em;
}

/* Hub inner cols: BPM | Core | EAM */
.arch-hub-cols {
  position: relative;
  display: grid;
  grid-template-columns: 0.55fr 2fr 0.55fr;
  gap: 14px;
  flex: 1;
  align-items: stretch;
}

.arch-side-frame {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(168,134,255,0.22);
  border-radius: 14px;
  padding: 18px 12px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
}
.arch-side-tag {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #C4B5FD;
  margin-bottom: 10px;
}
.arch-side-title {
  font-family: var(--font-serif, Georgia, serif);
  font-weight: 700;
  font-size: 17px;
  color: #fff;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin-bottom: 8px;
}
.arch-side-body {
  font-size: 13px;
  line-height: 1.45;
  color: rgba(237,232,245,0.85);
}

/* Core card */
.arch-core {
  background: linear-gradient(180deg, rgba(168,134,255,0.22) 0%, rgba(168,134,255,0.08) 100%);
  border: 1.5px solid #A886FF;
  border-radius: 14px;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: inset 0 0 40px rgba(168,134,255,0.08), 0 12px 40px -14px rgba(168,134,255,0.4);
}
.arch-core-header { text-align: center; }
.arch-core-tag {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #C4B5FD;
  margin-bottom: 6px;
}
.arch-core-title {
  font-family: var(--font-serif, Georgia, serif);
  font-weight: 700;
  font-size: 26px;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.arch-core-body {
  font-size: 14px;
  color: rgba(237,232,245,0.9);
  margin-top: 6px;
}
.arch-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(168,134,255,0.35), transparent);
}
.arch-exec-tag {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(237,232,245,0.78);
  text-align: center;
}

/* Tools row */
.arch-tools {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  flex: 1;
  align-items: stretch;
}
.arch-tool {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(168,134,255,0.22);
  border-radius: 10px;
  padding: 14px 10px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}
/* Case-Engine = Roadmap-Item; identisch gestyled wie alle anderen.
   Marker = "*" im Namen + Footnote unter dem Diagramm. */
.arch-tool-eyebrow {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #C9B4FF;
}
.arch-tool-name {
  font-family: var(--font-serif, Georgia, serif);
  font-weight: 700;
  font-size: 16px;
  color: #fff;
  letter-spacing: -0.01em;
  line-height: 1.1;
}
.arch-tool-meta {
  font-size: 12px;
  color: rgba(237,232,245,0.78);
  letter-spacing: 0.02em;
  line-height: 1.3;
}

/* Audit row */
.arch-audit {
  margin-top: 4px;
  background: rgba(0,0,0,0.28);
  border: 1px solid rgba(168,134,255,0.28);
  border-radius: 10px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.arch-audit-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: rgba(168,134,255,0.18);
}
.arch-audit-body { flex: 1; min-width: 0; }
.arch-audit-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 4px;
  flex-wrap: wrap;
}
.arch-audit-name {
  font-family: var(--font-serif, Georgia, serif);
  font-weight: 700;
  font-size: 15px;
  color: #fff;
  letter-spacing: -0.01em;
}
.arch-audit-eyebrow {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #C9B4FF;
}
.arch-audit-text {
  font-size: 13px;
  line-height: 1.45;
  color: rgba(237,232,245,0.88);
}

/* Strapline */
.arch-strapline {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding-top: 14px;
  border-top: 1px solid rgba(168,134,255,0.2);
  font-size: 13px;
  color: #E4D8FF;
  letter-spacing: 0.06em;
  flex-wrap: wrap;
  text-align: center;
}
.arch-strapline-sep { color: rgba(168,134,255,0.4); }

.arch-footnote {
  margin-top: 16px;
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,.45);
  letter-spacing: 0.02em;
}

/* ========== RESPONSIVE ========== */

/* Tablet: 3 cards per row */
@media (max-width: 900px) {
  .arch-side-cards { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 760px) {
  .arch-side-cards { grid-template-columns: repeat(2, 1fr); }
  .arch-hub { padding: 22px 18px 20px; }
  .arch-hub-cols {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .arch-tools {
    grid-template-columns: 1fr 1fr;
  }
  .arch-core-title { font-size: 22px; }
  .arch-hub-brand { font-size: 26px; }
}


/* Spacing between architecture diagram and the compare block below */
.arch-wrap + .compare-block { margin-top: 80px; }


/* Chester logo (Mark + Wordmark) inside the architecture hub header */
.arch-logo {
  height: 40px;
  width: auto;
  display: block;
}
@media (max-width: 760px) {
  .arch-logo { height: 32px; }
}