:root {
  --bg: #0a0e13; --surface: #131a23; --border: #263241; --border-subtle: #1a232e;
  --text: #e6edf3; --text-2: #8b96a5; --text-3: #7a8594;
  --primary: #2dd4bf; --primary-hover: #5eead4; --primary-dark: #0f766e;
  --light-bg: #f5f7f9; --light-surface: #fff; --light-border: #d8dee5; --light-text: #0a0e13; --light-text-2: #4a5563;
  --teal-tint: #eef8f6; --teal-tint-border: #9ccfc8; --ring: #9ccfc8;
  --sans: 'IBM Plex Sans', system-ui, sans-serif; --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --pad: clamp(20px, 4vw, 48px);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 68px; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }
img { max-width: 100%; height: auto; display: block; }
*:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.light *:focus-visible, .white *:focus-visible { outline-color: var(--primary-dark); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }

.container { max-width: 1280px; margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }
.narrow { max-width: 1040px; }
.mono { font-family: var(--mono); }
.eyebrow { font-family: var(--mono); font-size: 13px; letter-spacing: 0.08em; color: var(--primary); text-transform: uppercase; }
.light, .white { color: var(--light-text); }
.light { background: var(--light-bg); }
.white { background: var(--light-surface); }
.light .eyebrow, .white .eyebrow { color: var(--primary-dark); }
.muted { color: var(--text-2); }
.light .muted, .white .muted { color: var(--light-text-2); }
.accent { color: var(--primary); }
.small { font-size: 13px; line-height: 1.5; }
h1, h2, h3 { font-weight: 500; margin: 0; text-wrap: balance; }
.h1 { font-size: clamp(36px, 4.6vw, 58px); line-height: 1.06; letter-spacing: -0.025em; }
.eyebrow + .h2, .h1 + .lead { margin-top: 16px; }
.h2 { font-size: clamp(28px, 3.4vw, 44px); line-height: 1.12; letter-spacing: -0.02em; }
.lead { font-size: clamp(17px, 1.5vw, 19px); line-height: 1.55; margin: 0; max-width: 680px; }
.section { padding-top: clamp(64px, 9vw, 120px); padding-bottom: clamp(64px, 9vw, 120px); }
.section-sm { padding-top: clamp(48px, 6vw, 80px); padding-bottom: clamp(48px, 6vw, 80px); }
.page { padding: clamp(48px, 7vw, 96px) 0 clamp(64px, 9vw, 120px); min-height: 60vh; }
.stack { display: flex; flex-direction: column; gap: 40px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }

/* buttons */
.btn { display: inline-block; font-weight: 500; font-size: 16px; padding: 15px 24px; border-radius: 4px; background: var(--primary); color: var(--bg); border: 0; cursor: pointer; white-space: nowrap; font-family: inherit; }
.btn:hover { background: var(--primary-hover); color: var(--bg); }
.btn-ghost { display: inline-block; font-size: 16px; padding: 15px 24px; border-radius: 4px; border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--text-2); color: var(--text); }
.btn-outline-light { display: inline-block; font-size: 15px; padding: 10px 16px; border-radius: 4px; border: 1px solid var(--teal-tint-border); color: var(--primary-dark); white-space: nowrap; }
.btn-outline-light:hover { background: var(--teal-tint); color: var(--primary-dark); }

/* header */
.hdr { position: sticky; top: 0; z-index: 50; background: rgba(10, 14, 19, 0.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border-subtle); }
.hdr-in { height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo img { height: 24px; width: auto; }
.nav { display: flex; gap: 28px; font-size: 14px; }
.nav a { color: var(--text-2); }
.nav a:hover, .nav a[aria-current='page'] { color: var(--text); }
.hdr-right { display: flex; align-items: center; gap: 16px; }
.lang { font-size: 13px; color: var(--text-2); white-space: nowrap; }
.lang a { color: var(--text-2); }
.lang [aria-current] { color: var(--text); }
.cta { font-size: 14px; padding: 9px 16px; background: var(--primary); color: var(--bg); border-radius: 4px; font-weight: 500; white-space: nowrap; }
.cta:hover { background: var(--primary-hover); color: var(--bg); }
.cta-short { display: none; }
.menu { display: none; position: relative; }
.menu summary { list-style: none; cursor: pointer; width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--border); border-radius: 4px; color: var(--text); font-size: 20px; }
.menu summary::-webkit-details-marker { display: none; }
.menu nav { position: absolute; right: 0; top: 48px; min-width: 220px; background: var(--surface); border: 1px solid var(--border); border-radius: 6px; padding: 8px; display: flex; flex-direction: column; }
.menu nav a { color: var(--text); padding: 10px 12px; border-radius: 4px; }
.menu nav a:hover { background: var(--bg); }
@media (max-width: 900px) { .nav { display: none; } .menu { display: block; } }
@media (max-width: 520px) { .lang { display: none; } .cta-long { display: none; } .cta-short { display: inline; } .cta { padding: 9px 12px; } }

/* footer */
.ftr { background: var(--bg); border-top: 1px solid var(--border-subtle); }
.ftr-in { padding-top: 40px; padding-bottom: 40px; display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; align-items: center; }
.ftr-in img { height: 20px; width: auto; }
.ftr-nav { display: flex; flex-wrap: wrap; gap: 24px; font-size: 14px; }
.ftr-nav a { color: var(--text-2); }
.ftr-nav a:hover { color: var(--text); }
.ftr-note { font-size: 12px; color: var(--text-3); }

/* section heads (home + blog) */
.hero-title { font-size: clamp(38px, 5.2vw, 64px); line-height: 1.05; letter-spacing: -0.025em; max-width: 900px; }
.section-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 16px; margin-bottom: 40px; }
.section-head .eyebrow { margin-bottom: 16px; }

/* cards */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.card { background: var(--light-surface); border: 1px solid var(--light-border); border-radius: 8px; overflow: hidden; display: flex; flex-direction: column; color: var(--light-text); transition: transform 0.2s, box-shadow 0.2s; }
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(10, 14, 19, 0.07); color: var(--light-text); }
.card-img { aspect-ratio: 16 / 9; object-fit: cover; width: 100%; background: repeating-linear-gradient(45deg, #eef1f4 0 8px, #f5f7f9 8px 16px); }
.card-body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card-meta { font-family: var(--mono); font-size: 11.5px; color: var(--primary-dark); }
.card-title { font-size: 19px; font-weight: 500; line-height: 1.3; }
.card-text { font-size: 15px; line-height: 1.5; color: var(--light-text-2); margin: 0; }
.card-foot { margin-top: auto; padding-top: 8px; display: flex; justify-content: space-between; font-size: 14px; color: var(--light-text-2); }
.card-foot span:last-child { color: var(--primary-dark); }
.featured { flex-direction: row; flex-wrap: wrap; grid-column: 1 / -1; }
.featured .card-img { flex: 1 1 420px; aspect-ratio: auto; min-height: 260px; }
.featured .card-body { flex: 1 1 380px; padding: clamp(24px, 3vw, 40px); justify-content: center; gap: 14px; }
.featured .card-title { font-size: clamp(24px, 2.6vw, 32px); line-height: 1.2; letter-spacing: -0.015em; }

/* blog */
.intro { display: flex; flex-direction: column; gap: 18px; max-width: 820px; }
.bar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; border-bottom: 1px solid var(--light-border); padding-bottom: 16px; }
.tabs { display: flex; gap: 8px; }
.tabs a { padding: 8px 14px; border-radius: 4px; border: 1px solid #c9d1da; background: #fff; color: #2a3441; font-size: 14px; }
.tabs a:hover { border-color: var(--primary-dark); color: var(--light-text); }
.rss { font-size: 12px; color: var(--primary-dark); }
.news ol { list-style: none; margin: 16px 0 0; padding: 0; border-top: 1px solid var(--light-border); }
.news li { border-bottom: 1px solid var(--light-border); padding: 22px 0; display: grid; grid-template-columns: minmax(110px, 160px) minmax(0, 1fr); gap: 8px 24px; scroll-margin-top: 80px; }
.news .h2 { margin-top: 6px; }
.date { font-size: 12.5px; color: var(--light-text-2); padding-top: 4px; }
.news-body { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.news-body h3 { font-size: 19px; line-height: 1.3; }
.news-img { max-width: 420px; border-radius: 6px; }
.news-text { font-size: 16px; line-height: 1.55; max-width: 720px; }
.news-text p { margin: 0; }
.news-links { display: flex; flex-wrap: wrap; gap: 16px; font-size: 14px; }
.news-links a { color: var(--primary-dark); }
@media (max-width: 560px) { .news li { grid-template-columns: 1fr; } }

/* article */
.art-head { padding-top: clamp(40px, 6vw, 80px); display: flex; flex-direction: column; gap: 20px; }
.crumbs { font-size: 12.5px; color: var(--light-text-2); display: flex; flex-wrap: wrap; gap: 8px; }
.crumbs a { color: var(--light-text-2); }
.crumbs [aria-current] { color: var(--primary-dark); }
.meta { display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; font-size: 12.5px; color: var(--light-text-2); }
.chip { color: var(--primary-dark); border: 1px solid var(--teal-tint-border); padding: 3px 8px; border-radius: 4px; }
.art-title { max-width: 900px; font-size: clamp(34px, 4.4vw, 54px); line-height: 1.08; }
.author { display: flex; gap: 12px; align-items: center; font-size: 15px; }
.author img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
.author div { display: flex; flex-direction: column; gap: 2px; }
.author strong { font-weight: 500; }
.author .muted { font-size: 13.5px; }
.cover { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 8px; margin-top: 12px; }
.art-body { padding-top: clamp(32px, 4vw, 48px); padding-bottom: clamp(56px, 7vw, 96px); }
.art-body .btn-row { margin-top: 32px; }
.prose { font-size: 18px; line-height: 1.7; color: #2a3441; max-width: 760px; }
.prose h2 { font-size: clamp(24px, 2.4vw, 30px); line-height: 1.25; letter-spacing: -0.015em; color: var(--light-text); margin: 48px 0 14px; }
.prose h3 { font-size: 21px; color: var(--light-text); margin: 32px 0 10px; }
.prose p { margin: 0 0 18px; }
.prose ul, .prose ol { margin: 0 0 18px; padding-left: 22px; }
.prose li { margin: 0 0 8px; }
.prose li::marker { color: var(--primary-dark); }
.prose strong { font-weight: 600; color: var(--light-text); }
.prose a { color: var(--primary-dark); text-decoration: underline; }
.prose blockquote { margin: 28px 0; padding: 18px 22px; border-left: 3px solid var(--primary-dark); background: var(--teal-tint); color: var(--light-text); font-size: 19px; line-height: 1.55; border-radius: 0 6px 6px 0; }
.prose blockquote p { margin: 0; }
.prose img { border-radius: 8px; margin: 24px 0; }
.prose table { border-collapse: collapse; width: 100%; font-size: 16px; }
.prose th, .prose td { border-bottom: 1px solid var(--light-border); padding: 8px 10px; text-align: left; }
.more-grid { margin-top: 20px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.pilot-in { padding-top: clamp(48px, 6vw, 80px); padding-bottom: clamp(48px, 6vw, 80px); display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; }
.pilot-in > div { flex: 1 1 420px; display: flex; flex-direction: column; gap: 10px; }
.pilot-in p { margin: 0; flex: 1 1 420px; font-size: clamp(19px, 1.8vw, 23px); line-height: 1.45; }

/* about */
.about-hero { border-bottom: 1px solid var(--border-subtle); }
.about-hero-in { max-width: 920px; padding-top: clamp(64px, 9vw, 128px); padding-bottom: clamp(64px, 9vw, 128px); display: flex; flex-direction: column; align-items: center; text-align: center; gap: 22px; }
.about-hero-in .h1 { font-size: clamp(36px, 4.8vw, 60px); }
.team-lead { margin: 14px 0 44px; }
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.person { background: #fff; border: 1px solid var(--light-border); border-radius: 8px; padding: 32px 24px 28px; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 10px; }
.avatar { width: 104px; height: 104px; border-radius: 50%; object-fit: cover; box-shadow: 0 0 0 3px #fff, 0 0 0 5px var(--ring); margin-bottom: 10px; }
.avatar-lg { width: 168px; height: 168px; box-shadow: 0 0 0 4px var(--light-bg), 0 0 0 6px var(--ring); margin: 10px 0 6px; }
.person-name { font-size: 19px; font-weight: 500; }
.person-role { font-size: 12px; letter-spacing: 0.08em; color: var(--primary-dark); }
.person-bio { font-size: 15px; line-height: 1.55; color: var(--light-text-2); }
.li-link { font-size: 14px; color: var(--primary-dark); margin-top: auto; padding-top: 4px; }
.li-link:hover { color: var(--primary-dark); text-decoration: underline; }
.prof { max-width: 760px; margin: 64px auto 0; background: var(--light-bg); border: 1px solid #e1e6eb; border-radius: 8px; padding: clamp(28px, 4vw, 48px) clamp(20px, 4vw, 48px); display: flex; flex-direction: column; align-items: center; text-align: center; gap: 14px; }
.prof-name { font-size: clamp(24px, 2.4vw, 30px); font-weight: 500; letter-spacing: -0.01em; }
.prof-bio { font-size: 16.5px; line-height: 1.65; color: var(--light-text-2); max-width: 620px; margin-top: 4px; }
.prof .li-link { margin-top: 4px; }
.partner { margin-top: 64px; border-top: 1px solid var(--light-border); padding-top: 28px; display: flex; flex-wrap: wrap; gap: 20px 48px; align-items: center; justify-content: space-between; }
.partner-text { flex: 1 1 420px; display: flex; flex-direction: column; gap: 8px; }
.partner-text p { margin: 0; font-size: 15px; line-height: 1.55; }
.partner-name { font-size: 22px; font-weight: 500; }
.values-title { margin: 16px 0 48px; max-width: 820px; }
.values { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 32px 40px; }
.value-title { display: flex; align-items: center; gap: 10px; font-size: 19px; font-weight: 500; }
.value p { margin: 10px 0 0; font-size: 15.5px; line-height: 1.6; }
.square { width: 9px; height: 9px; background: var(--primary-dark); flex: none; }
.pilot .eyebrow { margin-bottom: 4px; }

/* contact */
.contact-in { padding-top: clamp(48px, 7vw, 96px); padding-bottom: clamp(64px, 9vw, 120px); display: flex; flex-wrap: wrap; gap: 56px; }
.contact-left { flex: 1 1 380px; min-width: 0; display: flex; flex-direction: column; gap: 28px; }
.contact-left .h1 { margin-top: -12px; }
.person-card { display: flex; gap: 16px; align-items: center; padding: 18px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); }
.person-card img { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; }
.person-card div { display: flex; flex-direction: column; gap: 4px; }
.person-card strong { font-size: 17px; font-weight: 500; }
.person-card .muted { font-size: 14px; }
.facts { margin: 0; display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 12px 24px; font-size: 15px; }
.facts dt { font-size: 12px; color: var(--text-2); padding-top: 2px; }
.facts dd { margin: 0; }
.form-card { flex: 1.2 1 440px; min-width: 0; align-self: flex-start; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: clamp(24px, 3vw, 36px); display: flex; flex-direction: column; gap: 20px; position: relative; }
.form-title { font-size: 12px; color: var(--primary); letter-spacing: 0.06em; }
.form-error { border: 1px solid #5a2626; background: #2a1414; color: #fca5a5; padding: 12px 14px; border-radius: 6px; font-size: 15px; }
.field { display: flex; flex-direction: column; gap: 8px; font-size: 14px; color: var(--text-2); }
.field-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.field input, .field select, .field textarea { font: inherit; font-size: 15px; padding: 13px 14px; border: 1px solid #5b6d82; border-radius: 4px; background: #0e141b; color: var(--text); }
.field textarea { resize: vertical; }
.req { color: var(--primary); }
.chips { border: 0; margin: 0; padding: 0; min-width: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips legend { padding: 0; margin-bottom: 12px; font-size: 12px; color: var(--text-2); letter-spacing: 0.06em; }
.chip-opt { position: relative; display: inline-flex; align-items: center; padding: 9px 14px; border: 1px solid #5b6d82; border-radius: 4px; color: var(--text-2); font-size: 14px; cursor: pointer; transition: border-color 0.2s, background 0.2s, color 0.2s; }
.chip-opt input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.chip-opt:has(input:checked) { border-color: var(--primary); background: rgba(45, 212, 191, 0.12); color: var(--text); }
.chip-opt:has(input:focus-visible) { outline: 2px solid var(--primary); outline-offset: 2px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-card .small a { text-decoration: underline; }
.form-card .btn { align-self: flex-start; }
.sent { display: flex; flex-direction: column; gap: 14px; font-size: 17px; line-height: 1.5; border: 1px solid #1f5e57; background: #0f1f21; padding: 20px; border-radius: 6px; }

/* ---------- home ---------- */
.home { position: relative; }
.mb16 { margin-bottom: 16px; } .mb18 { margin-bottom: 18px; } .mb32 { margin-bottom: 32px; } .mb40 { margin-bottom: 40px; } .mb48 { margin-bottom: 48px; }
.c-red { color: #f05252; } .c-amber { color: #f5a524; } .c-teal { color: var(--primary); } .c-green { color: #34d399; } .c-grey { color: var(--text-2); } .c-white { color: var(--text); }
.bg-red { background: #f05252; } .bg-amber { background: #f5a524; } .bg-teal { background: var(--primary); }
.off { display: none !important; }
.bordered { border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle); }
.bordered-light { border-top: 1px solid #e1e6eb; }

/* power line along the page */
.rail { position: absolute; left: calc(max(var(--pad), (100% - 1280px) / 2 + var(--pad)) * 0.5); top: 0; height: 0; width: 2px; margin-left: -1px; z-index: 5; pointer-events: none; }
.rail-track { position: absolute; inset: 0; background: linear-gradient(rgba(139, 150, 165, 0), rgba(139, 150, 165, 0.28) 60px); }
.rail::before { content: ''; position: absolute; left: -4px; top: -5px; width: 10px; height: 10px; border-radius: 50%; border: 2px solid #2dd4bf; background: var(--bg); box-shadow: 0 0 12px rgba(45, 212, 191, 0.6); z-index: 1; }  /* start point in the hero */
.rail-fill { position: absolute; top: 0; left: 0; width: 2px; height: 0; background: linear-gradient(rgba(45, 212, 191, 0.2), #2dd4bf 120px); box-shadow: 0 0 10px rgba(45, 212, 191, 0.6); }
.rail-head { position: absolute; left: -4px; top: 0; width: 10px; height: 10px; margin-top: -5px; border-radius: 50%; background: #2dd4bf; box-shadow: 0 0 0 5px rgba(45, 212, 191, 0.18), 0 0 18px 3px #2dd4bf; opacity: 0; }

/* hero */
.hero3d { position: relative; overflow: hidden; border-bottom: 1px solid var(--border-subtle); }
.hero3d-in { padding-top: clamp(32px, min(8vw, 9vh), 112px); padding-bottom: clamp(32px, min(6vw, 6vh), 72px); display: flex; flex-wrap: wrap; gap: 40px; align-items: center; }
@media (min-width: 900px) { .hero3d-in { flex-wrap: nowrap; } }  /* keeps the 3D grid beside the text, also when zoomed in */
.hero3d-text { flex: 1 1 400px; min-width: 0; display: flex; flex-direction: column; gap: clamp(16px, 3vh, 26px); position: relative; z-index: 2; }
.hero3d-text .lead { max-width: 540px; }
.hero3d .hero-title { font-size: clamp(34px, min(4.6vw, 8vh), 64px); }
.hero3d-text .btn-row { margin-top: 0; }
.hero-chips { display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 12px; color: var(--text-2); margin-top: 6px; }
.hero3d-vis { flex: 1.35 1 480px; min-width: 0; position: relative; height: clamp(400px, min(52vw, calc(100vh - 140px)), 640px); }
.net { position: absolute; inset: 0; }
.net-hero { inset: 0 -12vw 0 -40px; background: radial-gradient(ellipse at 55% 45%, #0f1a22 0%, #0a0e13 70%); }
.net-label { position: absolute; left: 0; top: 0; z-index: 2; pointer-events: none; font-size: 12px; background: rgba(10, 14, 19, 0.88); border: 1px solid var(--border); padding: 5px 9px; border-radius: 4px; white-space: nowrap; transition: color 0.4s; visibility: hidden; }
.net-fade { position: absolute; top: 0; bottom: 0; left: -40px; width: 90px; background: linear-gradient(90deg, #0a0e13, rgba(10, 14, 19, 0)); pointer-events: none; z-index: 1; }
.audit-card { position: absolute; right: 0; bottom: 0; z-index: 3; width: min(100%, 480px); background: rgba(19, 26, 35, 0.94); border: 1px solid var(--border); border-radius: 6px; overflow: hidden; backdrop-filter: blur(6px); }
.audit-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 14px; border-bottom: 1px solid var(--border); font-size: 12px; color: var(--text-2); }
.chain { display: flex; align-items: center; gap: 7px; color: #34d399; white-space: nowrap; }
.chain i { width: 6px; height: 6px; border-radius: 50%; background: #34d399; }
.audit-lines { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 6px; min-height: 150px; font-size: 12.5px; line-height: 1.4; }
.audit-line { display: grid; grid-template-columns: 104px minmax(0, 1fr); gap: 10px; }
.audit-line span:last-child { color: var(--text); }
.audit-cursor { width: 7px; height: 14px; background: var(--primary); }
.audit-act { display: flex; gap: 8px; margin-top: 2px; }
.audit-act button { font: inherit; font-size: 12px; padding: 6px 11px; border-radius: 4px; cursor: pointer; }
.audit-act .act-ok { background: var(--primary); color: var(--bg); border: 1px solid var(--primary); }
.audit-act .act-ok:hover { background: var(--primary-hover); }
.audit-act .act-no { background: transparent; color: var(--text-2); border: 1px solid var(--border); }
.audit-act .act-no:hover { color: var(--text); border-color: var(--text-2); }

/* section connectors */
.conn { --acc: #2dd4bf; --track: #1e2834; --cbg: #0a0e13; --ctext: var(--text); --ccount: var(--text-2); position: relative; height: clamp(96px, 10vw, 128px); overflow: hidden; background: var(--cbg); }
.conn-light, .conn-white { --acc: #0f766e; --track: #d8dee5; --cbg: #f5f7f9; --ctext: #0a0e13; --ccount: #4a5563; }
.conn-white { --cbg: #fff; }
.conn-surface { --cbg: #131a23; }
.from-dark { --pbg: #0a0e13; } .from-light { --pbg: #f5f7f9; } .from-white { --pbg: #fff; } .from-surface { --pbg: #131a23; }
/* soft hand-over from the previous section's colour instead of a hard cut */
.conn { background: linear-gradient(var(--pbg, var(--cbg)), var(--cbg) 42%); }
.conn-light, .conn-white { --track: #b4bec9; }
.conn-bus { position: absolute; bottom: 30px; left: calc(max(var(--pad), (100% - 1280px) / 2 + var(--pad)) * 0.5); right: max(var(--pad), (100% - 1280px) / 2 + var(--pad)); height: 2px; margin-bottom: -1px; }
.conn-track { position: absolute; inset: 0; background: var(--track); }
.conn-fill { position: absolute; inset: 0; background: var(--acc); box-shadow: 0 0 10px var(--acc); transform: scaleX(0); transform-origin: left center; }
.conn-pulse { position: absolute; top: -2px; left: 0; width: 6px; height: 6px; border-radius: 50%; background: var(--acc); box-shadow: 0 0 12px 2px var(--acc); opacity: 0; animation: xgBus 3.2s cubic-bezier(.4, 0, .6, 1) 1.2s infinite; }
@keyframes xgBus { 0% { left: 0; opacity: 0; } 10% { opacity: 1; } 90% { opacity: 1; } 100% { left: 100%; opacity: 0; } }
.conn-feeds { position: absolute; top: 2px; left: 0; right: 0; display: flex; justify-content: space-between; padding-left: 18%; }
.feed { display: flex; flex-direction: column; align-items: center; opacity: 0.45; transition: opacity 0.35s; }
.feed i { width: 1px; height: 10px; background: var(--acc); }
.feed b { width: 5px; height: 5px; border-radius: 50%; border: 1px solid var(--acc); }
.feed.lit { opacity: 1; }
.conn-node { position: absolute; bottom: 30px; left: calc(max(var(--pad), (100% - 1280px) / 2 + var(--pad)) * 0.5); width: 10px; height: 10px; margin: 0 0 -5px -5px; transform: rotate(45deg); border: 2px solid var(--acc); background: var(--cbg); transition: background 0.4s, box-shadow 0.4s; }
.conn-lab { position: absolute; bottom: 44px; left: calc(max(var(--pad), (100% - 1280px) / 2 + var(--pad)) + 24px); right: max(var(--pad), (100% - 1280px) / 2 + var(--pad)); display: flex; align-items: baseline; justify-content: space-between; gap: 16px; opacity: 0; transform: translateY(6px); transition: opacity 0.5s, transform 0.5s; }
.conn-lab > div { display: flex; align-items: baseline; gap: 12px; min-width: 0; }
.conn-n { font-size: 13px; color: var(--acc); }
.conn-title { font-size: 16px; font-weight: 500; color: var(--ctext); white-space: nowrap; }
.conn-count { font-size: 11.5px; color: var(--ccount); white-space: nowrap; }
@media (max-width: 480px) { .conn-count { display: none; } }
.conn.lit .conn-node { background: var(--acc); box-shadow: 0 0 0 6px rgba(45, 212, 191, 0.14), 0 0 18px var(--acc); }
.conn.lit .conn-lab, html:not(.js) .conn-lab { opacity: 1; transform: none; }
html:not(.js) .conn-fill { transform: none; }

/* problem */
.problem-title { margin-bottom: 56px; max-width: 820px; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1px; background: var(--border-subtle); border: 1px solid var(--border-subtle); }
.kpi { background: var(--bg); padding: 32px 28px; display: flex; flex-direction: column; gap: 10px; }
.kpi-pre { font-size: 12px; color: var(--text-2); }
.kpi-val { font-size: clamp(40px, 4.4vw, 56px); font-weight: 500; letter-spacing: -0.03em; line-height: 1; font-variant-numeric: tabular-nums; white-space: nowrap; }
.kpi-label { font-size: 16px; line-height: 1.45; margin-top: 6px; }
.kpi-src { font-size: 11.5px; color: var(--text-2); margin-top: auto; padding-top: 12px; }

/* scroll story: steps scroll normally, the grid sticks beside them */
.story { position: relative; }
.story-in { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); gap: 0 40px; align-items: start; }
.story-text { min-width: 0; padding: clamp(40px, 6vw, 72px) 0 clamp(24px, 4vw, 48px); }
.story-bars { position: sticky; top: 68px; z-index: 2; display: flex; gap: 8px; padding: 14px 0; margin-top: 18px; background: var(--bg); }
.story-bars button { height: 3px; width: 44px; padding: 0; border: 0; border-radius: 2px; background: var(--border); cursor: pointer; transition: background 0.4s, transform 0.2s; }
.story-bars button:hover { transform: scaleY(2); }
.story-steps { list-style: none; margin: 0; padding: 0; }
.story-step { min-height: 62vh; display: flex; flex-direction: column; justify-content: center; gap: 14px; opacity: 0.32; transition: opacity 0.4s ease; scroll-margin-top: 140px; }
.story-step.cur { opacity: 1; }
.story-step .mono { font-size: 13px; }
.story-step h2 { font-size: clamp(26px, 3vw, 40px); line-height: 1.12; letter-spacing: -0.02em; }
.story-step p { margin: 0; font-size: clamp(15px, 1.3vw, 18px); line-height: 1.55; color: var(--text-2); max-width: 460px; }
.story-hint { font-size: 12px; color: var(--text-2); margin-top: 6px; transition: opacity 0.4s; animation: xgHint 1.6s ease-in-out infinite; }
.story-hint.gone { opacity: 0; animation: none; }
@keyframes xgHint { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(4px); } }
.story-vis-wrap { position: sticky; top: 68px; height: calc(100vh - 68px); min-width: 0; }
.story-vis { position: relative; height: 100%; overflow: hidden; background: var(--bg); }
.story-vis .net-fade { left: 0; width: 80px; }
.panel-box { position: absolute; right: clamp(16px, 3vw, 40px); bottom: clamp(16px, 3vw, 40px); z-index: 3; width: min(calc(100% - 32px), 400px); background: rgba(19, 26, 35, 0.95); border: 1px solid var(--border); border-radius: 6px; padding: 16px 18px; font-size: 12.5px; backdrop-filter: blur(6px); }
@media (max-width: 1100px) { .panel-box { width: min(calc(100% - 32px), 340px); padding: 14px 16px; font-size: 12px; } }
.panel { display: flex; flex-direction: column; gap: 12px; }
.panel[hidden] { display: none; }
.panel-text { color: var(--text); font-family: var(--sans); font-size: 15px; line-height: 1.45; }
.bars3 { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 8px 12px; align-items: center; color: var(--text); }
.track { height: 5px; background: var(--border); border-radius: 3px; }
.fill { height: 100%; border-radius: 3px; }
.w100 { width: 100%; } .w84 { width: 84%; } .w61 { width: 61%; } .w30 { width: 30%; } .w15 { width: 15%; }
.shap { display: flex; flex-direction: column; gap: 9px; color: var(--text); }
.shap > div { display: grid; grid-template-columns: minmax(0, 1fr) minmax(40px, 110px) 40px; gap: 10px; align-items: center; }
.small-mono { font-size: 11.5px; }
.decide { display: flex; gap: 8px; }
.decide span { padding: 7px 12px; border-radius: 4px; }
.decide .ok { background: var(--primary); color: var(--bg); }
.decide .no { border: 1px solid var(--border); color: var(--text-2); }
.panel-head { display: flex; justify-content: space-between; gap: 10px; color: var(--text-2); }
.log-rows { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 6px 10px; color: var(--text); line-height: 1.4; }
@media (max-width: 767px) {
  .story-in { grid-template-columns: 1fr; }
  .story-vis-wrap { order: -1; height: 44vh; min-height: 300px; z-index: 3; margin: 0 calc(-1 * var(--pad)); }
  .story-bars { top: calc(68px + 44vh); }
  .story-step { min-height: 0; padding: 28px 0; scroll-margin-top: calc(68px + 44vh + 56px); }
  .story-text { padding-top: 8px; }
}
}

/* solution layers */
.layers-wrap { display: flex; flex-wrap: wrap; gap: 56px; align-items: center; }
.layers-text { flex: 1 1 420px; min-width: 0; display: flex; flex-direction: column; gap: 14px; }
.layer { font: inherit; text-align: left; background: transparent; border: 1px solid #1e2834; border-radius: 6px; padding: 20px 22px; color: var(--text); cursor: pointer; display: flex; flex-direction: column; gap: 6px; transition: background 0.25s, border-color 0.25s; }
.layer.on { background: var(--surface); border-color: var(--primary); }
.layer-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.layer-n { font-size: 12px; color: var(--primary); }
.layer-st { font-size: 11px; color: #34d399; border: 1px solid #1f5e57; padding: 2px 7px; border-radius: 4px; white-space: nowrap; }
.layer-title { font-size: 19px; font-weight: 500; }
.layer-text { font-size: 15px; line-height: 1.5; color: var(--text-2); }
.layer-stack { --off: 22px; --sc: 1; flex: 1 1 400px; min-width: 0; height: 540px; position: relative; perspective: 1400px; }
.layer-stack.open { --off: 80px; }
.s0 { --k: 1.5; } .s1 { --k: 0.5; } .s2 { --k: -0.5; } .s3 { --k: -1.5; }
.slab { position: absolute; left: 50%; top: 50%; width: 300px; height: 300px; margin: -150px 0 0 -150px; padding: 18px; border: 1px solid var(--border); background: rgba(19, 26, 35, 0.92); border-radius: 10px; box-shadow: 0 30px 60px rgba(0, 0, 0, 0.35); transform: translateY(calc(var(--k) * var(--off))) scale(var(--sc)) rotateX(58deg) rotateZ(-42deg); transition: transform 0.9s cubic-bezier(.2, .7, .2, 1), background 0.3s, border-color 0.3s; }
.slab > div { height: 100%; border: 1px dashed var(--border); border-radius: 6px; }
.slab.on { background: rgba(45, 212, 191, 0.14); border-color: var(--primary); }
.slab.on > div { border-color: rgba(45, 212, 191, 0.45); }
.slab-lab { position: absolute; right: 0; top: 50%; z-index: 2; font-size: 12px; color: var(--text-3); background: rgba(10, 14, 19, 0.9); padding: 2px 6px; border-radius: 3px; transform: translateY(calc(var(--k) * var(--off) - 10px)); transition: transform 0.9s cubic-bezier(.2, .7, .2, 1), color 0.3s; }
.slab-lab.on { color: var(--primary); }
@media (max-width: 767px) { .layer-stack { --sc: 0.78; height: 460px; } .layer-stack.open { --off: 58px; } }

/* regulation timeline */
.reg-title { margin-bottom: 16px; max-width: 880px; }
.regs { margin-top: 56px; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); border-top: 2px solid var(--primary-dark); }
.reg { position: relative; padding: 24px 24px 0 0; display: flex; flex-direction: column; gap: 10px; }
.reg-dot { position: absolute; top: -7px; left: 0; width: 12px; height: 12px; border-radius: 50%; border: 2px solid var(--primary-dark); background: #fff; }
.reg-force .reg-dot { background: var(--primary-dark); }
.reg-date { font-size: 13px; color: var(--primary-dark); margin-top: 6px; }
.reg-name { font-size: 18px; font-weight: 500; line-height: 1.3; }
.reg-text { font-size: 15px; line-height: 1.5; color: var(--light-text-2); }
.reg-status { align-self: flex-start; font-size: 11.5px; padding: 4px 8px; border-radius: 4px; color: var(--primary-dark); border: 1px solid var(--teal-tint-border); }
.reg-next .reg-status { color: #9a5b07; border-color: #e8c98f; }
.reg-later .reg-status { color: #4a5563; border-color: #c9d1da; }

/* light cards: security, status */
.cards4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.lcard { background: #fff; border: 1px solid var(--light-border); border-radius: 8px; padding: 24px; display: flex; flex-direction: column; gap: 10px; }
.lift { transition: transform 0.2s, box-shadow 0.2s; }
.lift:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(10, 14, 19, 0.06); }
.lcard-n { font-size: 12px; color: var(--primary-dark); }
.lcard-title { font-size: 18px; font-weight: 500; }
.lcard-title.lg { font-size: 19px; }
.lcard-text { font-size: 15px; line-height: 1.5; color: var(--light-text-2); }
.st-done { border: 1.5px solid var(--primary-dark); }
.st-next .lcard-n { color: #9a5b07; }
.st-later .lcard-n { color: #4a5563; }
.status-lead { margin: 0 0 48px; font-size: 18px; line-height: 1.55; color: var(--light-text-2); max-width: 640px; }

/* research */
.research { padding-top: clamp(56px, 8vw, 96px); padding-bottom: clamp(56px, 8vw, 96px); display: flex; flex-wrap: wrap; gap: 24px 64px; }
.research-head { flex: 1 1 260px; }
.h2s { font-size: clamp(26px, 3vw, 36px); line-height: 1.15; letter-spacing: -0.02em; }
.research-text { flex: 2 1 420px; margin: 0; font-size: clamp(17px, 1.5vw, 20px); line-height: 1.6; color: #2a3441; }

/* faq */
.faq-wrap { max-width: 920px; }
.faq { border-top: 1px solid var(--light-border); }
.faq details { border-bottom: 1px solid var(--light-border); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 22px 0; font-size: 18px; font-weight: 500; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-family: var(--mono); color: var(--primary-dark); font-size: 20px; flex: none; }
.faq details[open] summary::after { content: '\2212'; }
.faq p { margin: 0 0 24px; font-size: 16px; line-height: 1.6; color: var(--light-text-2); max-width: 720px; }

/* investors + contact */
.invest { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.invest-in { padding-top: clamp(48px, 6vw, 72px); padding-bottom: clamp(48px, 6vw, 72px); display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; }
.invest-text { flex: 1 1 420px; display: flex; flex-direction: column; gap: 10px; }
.invest-text p { margin: 0; font-size: clamp(18px, 1.7vw, 22px); line-height: 1.5; max-width: 720px; }
.btn-outline { display: inline-block; border: 1px solid var(--primary); color: var(--primary); font-size: 16px; padding: 14px 22px; border-radius: 4px; white-space: nowrap; }
.btn-outline:hover { background: var(--primary); color: var(--bg); }
.kontakt-in { display: flex; flex-wrap: wrap; gap: 40px 56px; align-items: center; justify-content: space-between; }
.kontakt-text { flex: 1 1 460px; min-width: 0; display: flex; flex-direction: column; gap: 20px; }
.kontakt-text p { margin: 0; font-size: 17px; line-height: 1.55; max-width: 520px; }
.kontakt-text .btn-row { margin-top: 4px; }
.kontakt-in .person-card { flex: 0 1 380px; min-width: 0; }


/* ---------- Section "Die Lösung": layers side by side (visual left, cards right), original dark colours ---------- */
#loesung .sol-title { max-width: 820px; margin: 0 0 clamp(32px, 4vw, 48px); }
#loesung .layers-wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
#loesung .layers-text, #loesung .layer-stack { flex: none; }
@media (max-width: 900px) { #loesung .layers-wrap { grid-template-columns: minmax(0, 1fr); } }