/* BEL150XCO2 – campus site. Dark-first, light sections for rhythm. */
:root {
  --bg: #050709; --bg2: #0a0e13; --bg3: #10161d;
  --ink: #f4f6f8; --ink2: #c3cbd4; --mute: #8b96a3; --line: rgba(255,255,255,.10); --line2: rgba(255,255,255,.18);
  --panel: rgba(255,255,255,.035); --panel2: rgba(255,255,255,.06);
  --amber: #f5a524; --cyan: #38bdf8; --green: #8bc651; --violet: #a78bfa; --heat: #ff6b4a; --blue: #3b82f6; --red: #ef4444; --ice: #a5f3fc;
  --brand: #8bc651; --navy: #083c71;
  --r: 22px; --r2: 14px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI Variable Display", "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;
  --ease: cubic-bezier(.2,.7,.2,1);
  --w: 1200px;
  --nav: 56px;
}
* { box-sizing: border-box; }
html { background: var(--bg); color-scheme: dark; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 17px/1.55 var(--font); letter-spacing: -.005em; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img, video, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }
::selection { background: rgba(56,189,248,.35); }
.sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- mode switch: [data-level] blocks ---------- */
html[data-mode="simple"] [data-level="expert"], html[data-mode="expert"] [data-level="simple"] { display: none !important; }

/* ---------- layout ---------- */
.wrap { width: min(var(--w), 100% - 40px); margin-inline: auto; }
.wrap.narrow { width: min(860px, 100% - 40px); }
.sec { position: relative; padding: clamp(80px, 12vw, 160px) 0; }
.sec.tight { padding: clamp(56px, 8vw, 100px) 0; }
.sec.light { background: #f5f5f7; color: #1d1d1f; color-scheme: light; --ink: #1d1d1f; --ink2: #424245; --mute: #6e6e73; --line: rgba(0,0,0,.10); --line2: rgba(0,0,0,.16); --panel: rgba(0,0,0,.03); --panel2: rgba(0,0,0,.05); }
.sec.white { background: #fff; color: #1d1d1f; color-scheme: light; --ink: #1d1d1f; --ink2: #424245; --mute: #6e6e73; --line: rgba(0,0,0,.10); --line2: rgba(0,0,0,.16); --panel: rgba(0,0,0,.03); --panel2: rgba(0,0,0,.05); }
.sec.deep { background: radial-gradient(1200px 600px at 50% -10%, rgba(56,189,248,.10), transparent 60%), var(--bg); }
.grid { display: grid; gap: 20px; }
.g2 { grid-template-columns: repeat(2, 1fr); } .g3 { grid-template-columns: repeat(3, 1fr); } .g4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .g3, .g4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .g2, .g3, .g4 { grid-template-columns: 1fr; } }

/* ---------- type ---------- */
.eyebrow { font: 600 13px/1.2 var(--font); letter-spacing: .14em; text-transform: uppercase; color: var(--mute); margin: 0 0 18px; }
.eyebrow b { color: var(--green); font-weight: 600; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -.025em; line-height: 1.05; }
.d1 { font-size: clamp(44px, 7.4vw, 104px); letter-spacing: -.04em; line-height: .98; }
.d2 { font-size: clamp(36px, 5.4vw, 72px); letter-spacing: -.035em; }
.d3 { font-size: clamp(28px, 3.6vw, 48px); letter-spacing: -.03em; line-height: 1.08; }
.h4 { font-size: clamp(20px, 2vw, 26px); letter-spacing: -.02em; line-height: 1.2; }
.lead { font-size: clamp(19px, 1.9vw, 24px); line-height: 1.45; color: var(--ink2); letter-spacing: -.01em; max-width: 46ch; }
.lead.c { margin-inline: auto; }
.mute { color: var(--mute); }
.small { font-size: 14px; line-height: 1.5; }
.tiny { font-size: 12px; line-height: 1.45; color: var(--mute); }
.center { text-align: center; }
.grad { background: linear-gradient(90deg, #fff 0%, #a5f3fc 45%, #8bc651 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.grad-warm { background: linear-gradient(90deg, #ffd08a, #ff6b4a); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sec.light .grad, .sec.white .grad { background: linear-gradient(90deg, #083c71, #1f8ad1 55%, #3f7a1e); -webkit-background-clip: text; background-clip: text; color: transparent; }
.dim { color: var(--mute); }
p { margin: 0 0 1em; }
.stack > * + * { margin-top: 18px; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 8px; height: 46px; padding: 0 22px; border-radius: 999px; font-weight: 600; font-size: 16px; letter-spacing: -.01em; transition: transform .2s var(--ease), background .2s, color .2s, border-color .2s; white-space: nowrap; }
.btn:active { transform: scale(.97); }
.btn.solid { background: #f4f6f8; color: #050709; }
.btn.solid:hover { background: #fff; }
.btn.ghost { border: 1px solid var(--line2); color: var(--ink); background: rgba(255,255,255,.04); backdrop-filter: blur(10px); }
.btn.ghost:hover { border-color: var(--ink2); }
.btn.green { background: var(--green); color: #071006; }
.sec.light .btn.solid, .sec.white .btn.solid { background: #1d1d1f; color: #fff; }
.link { color: var(--cyan); font-weight: 500; }
.link::after { content: " ›"; }
.sec.light .link, .sec.white .link { color: #0066cc; }
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.row.c { justify-content: center; }

/* ---------- nav ---------- */
.nav { position: fixed; inset: 0 0 auto; height: var(--nav); z-index: 50; background: rgba(5,7,9,.72); backdrop-filter: saturate(180%) blur(18px); -webkit-backdrop-filter: saturate(180%) blur(18px); border-bottom: 1px solid var(--line); }
.nav .wrap { height: 100%; display: flex; align-items: center; gap: 22px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -.02em; font-size: 18px; }
.brand .mk { width: 22px; height: 22px; }
.brand small { font-weight: 500; color: var(--mute); font-size: 12px; letter-spacing: .02em; }
.nav-links { display: flex; gap: 4px; margin-left: auto; }
.nav-links a { padding: 8px 12px; border-radius: 10px; font-size: 14px; color: var(--ink2); white-space: nowrap; transition: color .2s, background .2s; }
.nav-links a:hover { color: var(--ink); background: rgba(255,255,255,.05); }
.nav-links a.on { color: var(--ink); }
.mode { display: inline-flex; padding: 3px; border-radius: 999px; background: rgba(255,255,255,.07); border: 1px solid var(--line); position: relative; }
.mode button { position: relative; z-index: 1; padding: 5px 13px; font-size: 13px; font-weight: 600; color: var(--mute); border-radius: 999px; transition: color .25s; }
.mode button[aria-pressed="true"] { color: #050709; }
.mode .pill { position: absolute; top: 3px; bottom: 3px; left: 3px; width: calc(50% - 3px); border-radius: 999px; background: #f4f6f8; transition: transform .35s var(--ease); }
html[data-mode="expert"] .mode .pill { transform: translateX(100%); }
.burger { display: none; width: 40px; height: 40px; margin-left: 4px; }
.burger span { display: block; width: 18px; height: 1.6px; background: var(--ink); margin: 5px auto; transition: transform .3s; }
/* Top menu folds behind the menu button only when the row does not fit: core.js measures it and sets html.nav-fold.
   Phones always fold, so they never flash an overflowing row before the script runs. */
@media (max-width: 760px) {
  .nav-links { position: fixed; inset: var(--nav) 0 auto; flex-direction: column; gap: 0; padding: 8px 20px 24px; background: rgba(5,7,9,.96); border-bottom: 1px solid var(--line); transform: translateY(-8px); opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s; margin: 0; }
  .nav-links a { padding: 14px 4px; font-size: 18px; border-bottom: 1px solid var(--line); border-radius: 0; }
  body.menu .nav-links { opacity: 1; transform: none; pointer-events: auto; }
  .burger { display: block; }
  .nav .mode { margin-left: auto; }
  .nav .btn.cta { display: none; }
}
html.nav-fold .nav-links { position: fixed; inset: var(--nav) 0 auto; flex-direction: column; gap: 0; padding: 8px 20px 24px; background: rgba(5,7,9,.96); border-bottom: 1px solid var(--line); transform: translateY(-8px); opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s; margin: 0; }
html.nav-fold .nav-links a { padding: 14px 4px; font-size: 18px; border-bottom: 1px solid var(--line); border-radius: 0; }
html.nav-fold body.menu .nav-links { opacity: 1; transform: none; pointer-events: auto; }
html.nav-fold .burger { display: block; }
html.nav-fold .nav .mode { margin-left: auto; }
html.nav-fold .nav .btn.cta { display: none; }
.nav .btn.cta { height: 34px; padding: 0 14px; font-size: 13px; }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 100svh; display: grid; place-items: end start; overflow: hidden; padding: calc(var(--nav) + 40px) 0 clamp(48px, 9vh, 96px); isolation: isolate; }
.hero .media { position: absolute; inset: 0; z-index: -2; }
.hero .media video, .hero .media img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.04); filter: saturate(.85) contrast(1.06) brightness(.85); }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(5,7,9,.6) 0%, rgba(5,7,9,.1) 28%, rgba(5,7,9,.3) 52%, rgba(5,7,9,.94) 86%, var(--bg) 100%), linear-gradient(90deg, rgba(5,7,9,.78) 0%, rgba(5,7,9,.35) 45%, transparent 75%); }
.hero .wrap { position: relative; }
.hero h1 { max-width: 13ch; }
.hero .lead { margin-top: 22px; color: #dfe5ea; }
.hero .row { margin-top: 32px; }
.hero .chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 40px; }
.hero .partners { display: flex; align-items: center; flex-wrap: wrap; gap: 14px 22px; margin-top: 34px; }
.hero .partners .pt { display: inline-flex; align-items: center; gap: 12px; }
.hero .partners .pl { font: 600 10.5px/1 var(--font, inherit); letter-spacing: .16em; text-transform: uppercase; color: rgba(244,246,248,.58); }
.hero .partners img { height: 34px; width: auto; display: block; filter: drop-shadow(0 1px 8px rgba(0,0,0,.35)); }
.hero .partners .pt:last-child img { height: 30px; }
.hero .partners .ps { width: 1px; height: 30px; background: rgba(244,246,248,.22); }
@media (max-width: 560px) { .hero .partners { gap: 12px 16px; margin-top: 26px; } .hero .partners img { height: 27px; } .hero .partners .pt:last-child img { height: 24px; } .hero .partners .ps { display: none; } }
.chip { display: inline-flex; align-items: baseline; gap: 6px; padding: 9px 14px; border-radius: 999px; background: rgba(255,255,255,.07); border: 1px solid var(--line); backdrop-filter: blur(12px); font-size: 14px; color: var(--ink2); }
.chip b { color: var(--ink); font-weight: 600; font-size: 16px; }
.scrollcue { position: absolute; right: max(20px, calc((100vw - var(--w))/2)); bottom: 40px; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--mute); display: flex; align-items: center; gap: 10px; }
.scrollcue i { width: 1px; height: 44px; background: linear-gradient(var(--ink2), transparent); animation: cue 2.4s var(--ease) infinite; transform-origin: top; }
@keyframes cue { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); } 100% { transform: scaleY(1); opacity: 0; } }
@media (max-width: 640px) { .scrollcue { display: none; } }
.page-hero { padding: calc(var(--nav) + clamp(64px, 10vw, 120px)) 0 clamp(40px, 6vw, 72px); background: radial-gradient(900px 500px at 70% 0%, rgba(56,189,248,.12), transparent 60%), radial-gradient(700px 400px at 10% 20%, rgba(139,198,81,.08), transparent 60%); }

/* ---------- reveal ---------- */
.rv { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.rv.in { opacity: 1; transform: none; }
.rv.w1 { transition-delay: .08s; } .rv.w2 { transition-delay: .16s; } .rv.w3 { transition-delay: .24s; } .rv.w4 { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; transition: none; } * { animation-duration: .001s !important; animation-iteration-count: 1 !important; } }
html.static .rv { opacity: 1; transform: none; transition: none; }

/* ---------- cards ---------- */
.card { position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 28px; overflow: hidden; }
.card.hover { transition: transform .45s var(--ease), border-color .3s, background .3s; }
.card.hover:hover { transform: translateY(-4px); border-color: var(--line2); background: var(--panel2); }
.card h3 { font-size: 22px; letter-spacing: -.02em; line-height: 1.2; }
.card p { color: var(--ink2); }
.sec.light .card, .sec.white .card { background: #fff; border-color: rgba(0,0,0,.06); box-shadow: 0 1px 2px rgba(0,0,0,.04), 0 12px 40px rgba(0,0,0,.05); }
.sec.white .card { background: #f5f5f7; box-shadow: none; }
.ic { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: rgba(255,255,255,.06); border: 1px solid var(--line); margin-bottom: 18px; }
.ic svg { width: 22px; height: 22px; }

/* ---------- numbers ---------- */
.nums { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.num { padding: 34px 24px 34px 0; border-bottom: 1px solid var(--line); }
.num:not(:nth-child(4n)) { border-right: 1px solid var(--line); }
.num:not(:nth-child(4n+1)) { padding-left: 24px; }
.num .v { font-size: clamp(40px, 5vw, 68px); font-weight: 600; letter-spacing: -.045em; line-height: 1; font-variant-numeric: tabular-nums; }
.num .v small { font-size: .36em; font-weight: 600; letter-spacing: -.01em; margin-left: 6px; color: var(--ink2); }
.num .l { margin-top: 12px; font-size: 15px; color: var(--mute); max-width: 24ch; }
@media (max-width: 900px) { .nums { grid-template-columns: repeat(2, 1fr); } .num:nth-child(n) { border-right: 0; padding-left: 0; } .num:nth-child(odd) { border-right: 1px solid var(--line); padding-right: 18px; } .num:nth-child(even) { padding-left: 18px; } }

/* ---------- statement ---------- */
.statement { font-size: clamp(30px, 4.6vw, 64px); font-weight: 600; letter-spacing: -.035em; line-height: 1.08; max-width: 20ch; }
.statement span.w { color: rgba(255,255,255,.18); transition: color .5s; }
.statement span.w.on { color: var(--ink); }

/* ---------- media frames ---------- */
.frame { position: relative; border-radius: var(--r); overflow: hidden; background: var(--bg3); border: 1px solid var(--line); }
.frame img, .frame video { width: 100%; height: 100%; object-fit: cover; }
.frame .cap { position: absolute; left: 16px; bottom: 14px; font-size: 13px; color: rgba(255,255,255,.85); background: rgba(5,7,9,.55); backdrop-filter: blur(8px); padding: 6px 10px; border-radius: 8px; }
.ratio { aspect-ratio: 16 / 9; }
.ratio-45 { aspect-ratio: 4 / 5; }
.ratio-1 { aspect-ratio: 1; }

/* ---------- plan ---------- */
.plan-wrap { position: relative; border-radius: var(--r); border: 1px solid var(--line); background: radial-gradient(600px 400px at 30% 30%, rgba(56,189,248,.06), transparent 70%), #070a0e; overflow: hidden; }
.dexplan { width: 100%; height: auto; }
.dexplan .flow { animation: dash 1.6s linear infinite; }
.dexplan .flows:not(.anim) .flow { animation: none; }
@keyframes dash { to { stroke-dashoffset: -48; } }
.dexplan .blades { transform-origin: 0 0; animation: spin 6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.dexplan .hs { cursor: pointer; }
.dexplan .hs-ring { fill: rgba(255,255,255,.08); stroke: rgba(255,255,255,.6); stroke-width: 1.2; transform-box: fill-box; transform-origin: center; animation: ping 2.4s var(--ease) infinite; }
.dexplan .hs:hover .hs-ring, .dexplan .hs.on .hs-ring { fill: rgba(255,255,255,.2); stroke: #fff; animation: none; }
@keyframes ping { 0% { transform: scale(.7); opacity: 1; } 80%, 100% { transform: scale(1.6); opacity: 0; } }
.layerbar { display: flex; flex-wrap: wrap; gap: 6px; padding: 6px; border-radius: 999px; background: rgba(255,255,255,.05); border: 1px solid var(--line); width: fit-content; max-width: 100%; }
.layerbar button { padding: 7px 14px; border-radius: 999px; font-size: 13px; font-weight: 600; color: var(--ink2); transition: background .2s, color .2s; display: inline-flex; align-items: center; gap: 7px; }
.layerbar button i { width: 8px; height: 8px; border-radius: 50%; background: currentColor; display: inline-block; }
.layerbar button[aria-pressed="true"] { background: #f4f6f8; color: #050709; }

/* ---------- explorer layout ---------- */
.explorer { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(320px, 1fr); gap: 20px; align-items: start; }
@media (max-width: 1000px) { .explorer { grid-template-columns: 1fr; } }
.panel { position: sticky; top: calc(var(--nav) + 16px); border-radius: var(--r); border: 1px solid var(--line); background: var(--bg2); overflow: hidden; }
.panel .frame { border: 0; border-radius: 0; aspect-ratio: 16/9; }
.panel .body { padding: 24px; }
.panel h3 { font-size: 26px; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font-size: 14px; margin-top: 16px; }
.kv dt { color: var(--mute); }
.kv dd { margin: 0; }
.tag { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; letter-spacing: .04em; padding: 4px 10px; border-radius: 999px; background: rgba(255,255,255,.06); border: 1px solid var(--line); color: var(--ink2); text-transform: uppercase; }
.tag.risk-High { color: #fda4a4; border-color: rgba(239,68,68,.4); }
.tag.risk-Medium { color: #fcd38a; border-color: rgba(245,165,36,.4); }

/* ---------- sticky story ---------- */
.story { display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(24px, 5vw, 80px); }
.story .stick { position: sticky; top: calc(var(--nav) + 6vh); height: 76vh; border-radius: var(--r); overflow: hidden; border: 1px solid var(--line); background: #070a0e; }
.story .stick > .layer { position: absolute; inset: 0; opacity: 0; transition: opacity .8s var(--ease); display: grid; place-items: center; }
.story .stick > .layer.on { opacity: 1; }
.story .stick img { width: 100%; height: 100%; object-fit: cover; }
.story .steps > div { min-height: 76vh; display: flex; flex-direction: column; justify-content: center; padding: 6vh 0; opacity: .25; transition: opacity .6s; }
.story .steps > div.on { opacity: 1; }
.story .steps .n { font: 600 13px var(--mono); color: var(--mute); margin-bottom: 14px; letter-spacing: .1em; }
@media (max-width: 900px) { .story { grid-template-columns: 1fr; } .story .stick { position: relative; top: 0; height: 56vw; } .story .steps > div { min-height: 0; opacity: 1; padding: 28px 0; } }

/* ---------- horizontal rail ---------- */
.rail { display: grid; grid-auto-flow: column; grid-auto-columns: min(400px, 82vw); gap: 18px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding-inline: max(20px, calc((100vw - var(--w))/2)); padding: 4px max(20px, calc((100vw - var(--w))/2)) 24px; scrollbar-width: none; }
.rail::-webkit-scrollbar { display: none; }
.rail > * { scroll-snap-align: start; }
.railnav { display: flex; gap: 10px; justify-content: flex-end; }
.railnav button { width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,.08); border: 1px solid var(--line); display: grid; place-items: center; }
.railnav button:hover { background: rgba(255,255,255,.14); }
.icard { position: relative; aspect-ratio: 4/5; border-radius: var(--r); overflow: hidden; border: 1px solid var(--line); background: #0b0f14; display: flex; flex-direction: column; justify-content: flex-end; padding: 26px; isolation: isolate; }
.icard img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform 1.2s var(--ease); filter: saturate(.8) brightness(.8); }
.icard:hover img { transform: scale(1.05); }
.icard::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(5,7,9,.1) 20%, rgba(5,7,9,.92) 78%); }
.icard .k { font-size: 13px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--ink2); }
.icard h3 { font-size: 28px; line-height: 1.08; margin-top: 8px; }
.icard .st { position: absolute; top: 22px; left: 26px; right: 26px; display: flex; justify-content: space-between; align-items: baseline; }
.icard .st b { font-size: 44px; letter-spacing: -.04em; font-weight: 600; }
.icard .st span { font-size: 13px; color: var(--ink2); }
.icard .no { font: 600 13px var(--mono); color: var(--ink2); }

/* ---------- innovation pages ---------- */
.inno { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 72px); align-items: center; padding: clamp(56px, 9vw, 120px) 0; border-top: 1px solid var(--line); }
.inno:nth-child(even) .inno-media { order: 2; }
.inno .big { font-size: clamp(56px, 7vw, 96px); font-weight: 600; letter-spacing: -.05em; line-height: .95; }
.inno .big small { font-size: .3em; letter-spacing: 0; margin-left: 8px; color: var(--ink2); }
.inno ul { padding-left: 0; list-style: none; margin: 20px 0 0; }
.inno li { padding: 12px 0 12px 28px; border-top: 1px solid var(--line); position: relative; color: var(--ink2); }
.inno li::before { content: ""; position: absolute; left: 4px; top: 21px; width: 8px; height: 8px; border-radius: 50%; background: var(--accent, var(--cyan)); }
.status { display: flex; gap: 10px; align-items: flex-start; margin-top: 20px; padding: 14px 16px; border-radius: 12px; background: rgba(255,255,255,.04); border: 1px dashed var(--line2); font-size: 14px; color: var(--ink2); }
.status b { color: var(--ink); white-space: nowrap; }
@media (max-width: 900px) { .inno { grid-template-columns: 1fr; } .inno:nth-child(even) .inno-media { order: 0; } }

/* ---------- tools ---------- */
.tool { border-radius: var(--r); border: 1px solid var(--line); background: var(--bg2); padding: clamp(18px, 3vw, 32px); }
.tool-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(280px, 1fr); gap: 24px; align-items: start; }
@media (max-width: 960px) { .tool-grid { grid-template-columns: 1fr; } }
.ctrl { display: grid; gap: 18px; }
.ctrl label { display: grid; gap: 8px; font-size: 14px; color: var(--ink2); }
.ctrl .val { font: 600 15px var(--mono); color: var(--ink); }
.ctrl .hd { display: flex; justify-content: space-between; align-items: baseline; }
input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 28px; background: transparent; }
input[type=range]::-webkit-slider-runnable-track { height: 4px; border-radius: 4px; background: linear-gradient(90deg, var(--c, var(--cyan)) var(--p, 50%), rgba(255,255,255,.14) var(--p, 50%)); }
input[type=range]::-moz-range-track { height: 4px; border-radius: 4px; background: rgba(255,255,255,.14); }
input[type=range]::-moz-range-progress { height: 4px; border-radius: 4px; background: var(--c, var(--cyan)); }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; border-radius: 50%; background: #fff; margin-top: -9px; box-shadow: 0 2px 10px rgba(0,0,0,.4); }
input[type=range]::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: #fff; border: 0; }
.seg { display: inline-flex; flex-wrap: wrap; gap: 4px; padding: 4px; border-radius: 12px; background: rgba(255,255,255,.05); border: 1px solid var(--line); }
.seg button { padding: 7px 12px; border-radius: 9px; font-size: 13px; font-weight: 600; color: var(--ink2); }
.seg button[aria-pressed="true"] { background: #f4f6f8; color: #050709; }
.readout { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.readout div { padding: 14px; border-radius: 14px; background: rgba(255,255,255,.04); border: 1px solid var(--line); }
.readout b { display: block; font: 600 24px/1.1 var(--font); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.readout span { font-size: 12px; color: var(--mute); }
.note { font-size: 12px; color: var(--mute); margin-top: 14px; }
.svgbox { width: 100%; background: #070a0e; border-radius: 16px; border: 1px solid var(--line); overflow: hidden; }
.svgbox svg { width: 100%; height: auto; }
.btn-sm { height: 36px; padding: 0 14px; font-size: 13px; }

/* ---------- tabs ---------- */
.tabs { display: flex; flex-wrap: wrap; gap: 6px; border-bottom: 1px solid var(--line); margin-bottom: 32px; }
.tabs button { padding: 12px 16px; font-size: 15px; font-weight: 600; color: var(--mute); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs button[aria-selected="true"] { color: var(--ink); border-color: var(--ink); }
.tabpane[hidden] { display: none; }
table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th, table.data td { text-align: left; padding: 11px 12px 11px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
table.data th { color: var(--mute); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
table.data td.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.pending { display: grid; gap: 8px; }
.pending div { display: flex; gap: 10px; align-items: baseline; font-size: 14px; color: var(--ink2); }
.pending i { flex: none; width: 8px; height: 8px; border-radius: 50%; border: 1.5px solid var(--amber); transform: translateY(-1px); }

/* ---------- learn chooser ---------- */
.choose { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 800px) { .choose { grid-template-columns: 1fr; } }
.choice { position: relative; border-radius: 28px; padding: clamp(28px, 4vw, 48px); min-height: 440px; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; border: 1px solid var(--line); isolation: isolate; transition: transform .5s var(--ease); }
.choice:hover { transform: translateY(-6px); }
.choice.s { background: radial-gradient(500px 360px at 80% 10%, rgba(139,198,81,.25), transparent 60%), #0b120a; }
.choice.e { background: radial-gradient(500px 360px at 80% 10%, rgba(56,189,248,.25), transparent 60%), #071019; }
.choice h3 { font-size: clamp(32px, 3.6vw, 48px); letter-spacing: -.035em; }
.choice ul { list-style: none; padding: 0; margin: 18px 0 0; color: var(--ink2); }
.choice li { padding: 6px 0; }
.choice li::before { content: "→ "; color: var(--mute); }

/* ---------- tour ---------- */
.tour { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(300px, 1fr); gap: 24px; align-items: stretch; }
@media (max-width: 960px) { .tour { grid-template-columns: 1fr; } }
.tour .stage { position: relative; border-radius: var(--r); border: 1px solid var(--line); background: #070a0e; overflow: hidden; min-height: 420px; display: grid; place-items: center; }
.tour .stage > * { grid-area: 1 / 1; }
.tour .copy { display: flex; flex-direction: column; }
.tour .prog { display: flex; gap: 6px; margin-bottom: 24px; }
.tour .prog i { flex: 1; height: 3px; border-radius: 3px; background: rgba(255,255,255,.12); overflow: hidden; position: relative; }
.tour .prog i.done::after, .tour .prog i.on::after { content: ""; position: absolute; inset: 0; background: var(--green); }
.tour .chap { font: 600 13px var(--mono); color: var(--mute); letter-spacing: .1em; }
.tour h2 { font-size: clamp(28px, 3vw, 40px); letter-spacing: -.03em; margin: 10px 0 16px; }
.tour .text p { color: var(--ink2); font-size: 18px; }
.tour .ctl { margin-top: auto; display: flex; gap: 10px; padding-top: 20px; }
.fact { margin-top: 18px; padding: 16px 18px; border-radius: 14px; background: rgba(139,198,81,.08); border: 1px solid rgba(139,198,81,.25); font-size: 15px; }
.fact b { color: var(--green); }

/* ---------- quiz ---------- */
.quiz .q { font-size: 22px; font-weight: 600; letter-spacing: -.02em; margin-bottom: 16px; }
.quiz .opts { display: grid; gap: 10px; }
.quiz .opts button { text-align: left; padding: 14px 16px; border-radius: 14px; background: rgba(255,255,255,.04); border: 1px solid var(--line); transition: background .2s, border-color .2s; }
.quiz .opts button:hover { background: rgba(255,255,255,.07); }
.quiz .opts button.ok { border-color: var(--green); background: rgba(139,198,81,.12); }
.quiz .opts button.no { border-color: var(--red); background: rgba(239,68,68,.1); }
.quiz .why { margin-top: 14px; color: var(--ink2); font-size: 15px; }

/* ---------- timeline ---------- */
.tl { position: relative; display: grid; gap: 0; }
.tl > div { display: grid; grid-template-columns: 140px 28px 1fr; gap: 16px; padding: 18px 0; }
.tl .d { font: 600 14px var(--mono); color: var(--mute); text-align: right; padding-top: 2px; }
.tl .dot { position: relative; }
.tl .dot::before { content: ""; position: absolute; left: 13px; top: -18px; bottom: -18px; width: 2px; background: var(--line2); }
.tl > div:first-child .dot::before { top: 10px; } .tl > div:last-child .dot::before { bottom: auto; height: 28px; }
.tl .dot i { position: relative; display: block; width: 14px; height: 14px; margin: 4px 0 0 7px; border-radius: 50%; background: var(--bg); border: 2px solid var(--mute); }
.tl .done .dot i { background: var(--green); border-color: var(--green); }
.tl .now .dot i { box-shadow: 0 0 0 6px rgba(139,198,81,.2); }
.tl h4 { font-size: 18px; letter-spacing: -.01em; }
.tl p { color: var(--ink2); margin: 4px 0 0; font-size: 15px; }
.tl .tl-k { display: inline-block; margin: 0 0 6px; padding: 2px 9px; border: 1px solid currentColor; border-radius: 99px; font: 600 11px/1.6 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--mute); }
.tl .tl-done, .tl .tl-compat { color: var(--green); } .tl .tl-on { color: var(--cyan); } .tl .tl-pending { color: var(--amber); }
:is(.sec.light, .sec.white) .tl .tl-done, :is(.sec.light, .sec.white) .tl .tl-compat { color: #3f7a1e; } :is(.sec.light, .sec.white) .tl .tl-on { color: #0b72ad; } :is(.sec.light, .sec.white) .tl .tl-pending { color: #a35f00; }
@media (max-width: 640px) { .tl > div { grid-template-columns: 22px 1fr; } .tl .d { grid-column: 2; text-align: left; order: -1; padding: 0; } .tl .dot { grid-row: 1 / span 2; } }
.sec.light .tl .dot i, .sec.white .tl .dot i { background: #fff; }

/* ---------- gantt ---------- */
.gantt { display: grid; gap: 6px; }
.gantt .r { display: grid; grid-template-columns: minmax(150px, 240px) 1fr; gap: 14px; align-items: center; font-size: 13px; }
.gantt .bar { position: relative; height: 22px; background: repeating-linear-gradient(90deg, transparent 0 calc(100%/24 - 1px), rgba(255,255,255,.05) calc(100%/24 - 1px) calc(100%/24)); border-radius: 6px; }
.gantt .bar span { position: absolute; top: 3px; bottom: 3px; border-radius: 5px; }
.gantt .axis { display: grid; grid-template-columns: minmax(150px, 240px) 1fr; gap: 14px; font: 12px var(--mono); color: var(--mute); }
.gantt .axis div:last-child { display: flex; justify-content: space-between; }

/* ---------- faq ---------- */
.faq details { border-top: 1px solid var(--line); padding: 22px 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 20px; font-size: clamp(19px, 2vw, 24px); font-weight: 600; letter-spacing: -.02em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-weight: 300; font-size: 28px; line-height: 1; color: var(--mute); transition: transform .3s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 14px 0 0; color: var(--ink2); max-width: 70ch; }

/* ---------- gallery ---------- */
.masonry { columns: 3 320px; column-gap: 16px; }
.masonry figure { margin: 0 0 16px; break-inside: avoid; border-radius: 16px; overflow: hidden; position: relative; cursor: zoom-in; border: 1px solid var(--line); }
.masonry img { width: 100%; transition: transform 1s var(--ease); }
.masonry figure:hover img { transform: scale(1.04); }
.masonry figcaption { position: absolute; left: 12px; bottom: 10px; font-size: 12px; background: rgba(5,7,9,.6); padding: 4px 8px; border-radius: 6px; backdrop-filter: blur(6px); }
.lightbox { position: fixed; inset: 0; z-index: 100; background: rgba(0,0,0,.94); display: none; place-items: center; padding: 40px; }
.lightbox.on { display: grid; }
.lightbox img, .lightbox video { max-height: 86vh; width: auto; max-width: 100%; border-radius: 12px; }
.lightbox .x { position: absolute; top: 18px; right: 22px; font-size: 32px; color: #fff; width: 44px; height: 44px; }
.lightbox .cap { position: absolute; bottom: 18px; left: 0; right: 0; text-align: center; color: var(--ink2); font-size: 14px; }

/* ---------- downloads ---------- */
.dl { display: flex; gap: 18px; align-items: center; padding: 18px; border-radius: 18px; border: 1px solid var(--line); background: var(--panel); transition: background .2s, border-color .2s; }
.dl:hover { background: var(--panel2); border-color: var(--line2); }
.dl .th { width: 84px; flex: none; aspect-ratio: 3/4; border-radius: 8px; overflow: hidden; background: #111; border: 1px solid var(--line); }
.dl .th img { width: 100%; height: 100%; object-fit: cover; }
.dl b { display: block; font-size: 17px; letter-spacing: -.01em; }
.dl span { font-size: 13px; color: var(--mute); }

/* ---------- footer ---------- */
.foot { border-top: 1px solid var(--line); padding: 56px 0 40px; background: var(--bg); font-size: 14px; color: var(--mute); }
.foot .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 28px; }
.foot h5 { margin: 0 0 12px; color: var(--ink); font-size: 13px; letter-spacing: .02em; }
.foot a { display: block; padding: 3px 0; color: var(--ink2); }
.foot a:hover { color: var(--ink); }
.foot .disc { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 12px; line-height: 1.6; max-width: 110ch; }
@media (max-width: 800px) { .foot .cols { grid-template-columns: 1fr 1fr; } }

/* ---------- cta band ---------- */
.cta-band { position: relative; border-radius: 32px; overflow: hidden; padding: clamp(40px, 7vw, 96px); isolation: isolate; border: 1px solid var(--line); }
.cta-band img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; filter: saturate(.7) brightness(.55); }
.cta-band::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(5,7,9,.92), rgba(5,7,9,.35)); }

/* ---------- misc ---------- */
.kicker-line { display: flex; align-items: center; gap: 14px; color: var(--mute); font-size: 13px; letter-spacing: .14em; text-transform: uppercase; font-weight: 600; }
.kicker-line::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: 13px; color: var(--ink2); }
.legend span { display: inline-flex; gap: 7px; align-items: center; }
.legend i { width: 18px; height: 3px; border-radius: 3px; display: inline-block; }
.hr { height: 1px; background: var(--line); margin: 40px 0; }
.pill-note { display: inline-flex; gap: 8px; align-items: center; padding: 6px 12px; border-radius: 999px; background: rgba(245,165,36,.1); border: 1px solid rgba(245,165,36,.3); color: #fcd38a; font-size: 13px; }
.c-amber { color: var(--amber); } .c-cyan { color: var(--cyan); } .c-green { color: var(--green); } .c-violet { color: var(--violet); } .c-heat { color: var(--heat); } .c-blue { color: var(--blue); } .c-red { color: var(--red); } .c-ice { color: var(--ice); }
.bg-amber { background: var(--amber); } .bg-cyan { background: var(--cyan); } .bg-green { background: var(--green); } .bg-violet { background: var(--violet); } .bg-heat { background: var(--heat); } .bg-blue { background: var(--blue); } .bg-red { background: var(--red); } .bg-ice { background: var(--ice); }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); opacity: 0; background: #f4f6f8; color: #050709; padding: 10px 16px; border-radius: 999px; font-size: 14px; font-weight: 600; transition: opacity .3s, transform .3s; z-index: 120; pointer-events: none; }
.toast.on { opacity: 1; transform: translate(-50%, 0); }

.dexsection { width: 100%; height: auto; }
.dexsection .flow { animation: dash 1.6s linear infinite; }


/* static mode (QA screenshots, print): fixed heights instead of viewport units */
html.static .hero { min-height: 900px; }
html.static .story .stick { height: 640px; position: relative; top: 0; }
html.static .story .steps > div { min-height: 0; opacity: 1; padding: 40px 0; }
html.static .story .stick > .layer:first-child { opacity: 1; }

.brand .mk { flex: none; }
@media (max-width: 420px) { .brand span { font-size: 16px; } .mode button { padding: 5px 10px; } }


@media (max-width: 640px) { .layerbar { border-radius: 18px; } .explorer > div { min-width: 0; } }

/* =====================================================================
   EXPERT LAYER (shared). Any block with data-level="expert" is hidden in Simple.
   Shared classes for every page: .xp (panel), .xp-badge, .src (source tag), .specs/.spec (spec strip),
   .eq (equation), .xp-kv (design-basis list), .xp-note ("for engineers"), .xp-chips, .xp-k (mono kicker).
   ===================================================================== */
:root { --xp: #38bdf8; --xp-soft: rgba(56,189,248,.07); --xp-line: rgba(56,189,248,.22); --ob-bg: #080c11; }
.sec.light, .sec.white { --xp: #0b72ad; --xp-soft: rgba(11,114,173,.05); --xp-line: rgba(11,114,173,.22); --ob-bg: #fff; }

/* switch feels alive: a sweep under the nav, blocks rise in, panels scan */
html[data-mode="expert"] .nav { box-shadow: inset 0 -1px 0 rgba(56,189,248,.35); }
html[data-mode="expert"] .mode .pill { background: linear-gradient(90deg, #f4f6f8, #dcf3ff); box-shadow: 0 0 16px rgba(56,189,248,.45); }
@keyframes xpIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes xpScan { from { transform: translateY(-100%); opacity: 1; } to { transform: translateY(100%); opacity: 0; } }
@keyframes xpSweep { 0% { transform: translateX(-100%); opacity: 1; } 75% { opacity: 1; } 100% { transform: translateX(100%); opacity: 0; } }
@keyframes xcGrow { from { transform: scaleX(0); } }
html.xp-anim[data-mode="expert"] [data-level="expert"] { animation: xpIn .55s var(--ease) both; }
html.xp-anim[data-mode="simple"] [data-level="simple"] { animation: xpIn .4s var(--ease) both; }
html.xp-anim[data-mode="expert"] .xp::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg, transparent, rgba(56,189,248,.12) 50%, transparent); animation: xpScan 1s var(--ease) both; }
html.xp-anim .xc-track i { transform-origin: left; animation: xcGrow .9s var(--ease) both; animation-delay: var(--d, 0s); }
.xp-sweep { position: fixed; left: 0; right: 0; top: var(--nav); height: 2px; z-index: 60; pointer-events: none; background: linear-gradient(90deg, transparent, var(--cyan) 35%, #a5f3fc 50%, var(--cyan) 65%, transparent); box-shadow: 0 0 14px rgba(56,189,248,.7); animation: xpSweep 1.1s var(--ease) forwards; }
.xp-sweep.simple { background: linear-gradient(90deg, transparent, var(--green) 50%, transparent); box-shadow: 0 0 12px rgba(139,198,81,.55); }
@media (prefers-reduced-motion: reduce) { html.xp-anim [data-level], html.xp-anim .xp::after, html.xp-anim .xc-track i { animation: none !important; } .xp-sweep { display: none; } }

/* badge + source tag */
.xp-badge { display: inline-flex; align-items: center; gap: 6px; flex: none; height: 20px; padding: 0 8px 0 7px; border-radius: 999px; font: 600 10.5px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--xp); background: var(--xp-soft); border: 1px solid var(--xp-line); vertical-align: middle; white-space: nowrap; }
.xp-badge::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; box-shadow: 0 0 8px currentColor; }
.src { display: inline-flex; align-items: center; height: 18px; padding: 0 6px; border-radius: 5px; font: 500 10.5px/1 var(--mono); letter-spacing: .02em; color: var(--mute); border: 1px solid var(--line); background: var(--panel); white-space: nowrap; vertical-align: 1px; cursor: help; }
.eyebrow .xp-badge { margin-right: 10px; vertical-align: 1px; }

/* panel */
.xp { position: relative; overflow: hidden; border-radius: var(--r); border: 1px solid var(--xp-line); padding: clamp(18px, 2.6vw, 32px); background: linear-gradient(180deg, rgba(56,189,248,.06), rgba(56,189,248,.012) 45%, transparent), repeating-linear-gradient(0deg, rgba(56,189,248,.03) 0 1px, transparent 1px 28px), repeating-linear-gradient(90deg, rgba(56,189,248,.03) 0 1px, transparent 1px 28px), var(--bg2); }
.sec.light .xp { background: linear-gradient(180deg, rgba(11,114,173,.05), transparent 45%), repeating-linear-gradient(0deg, rgba(11,114,173,.035) 0 1px, transparent 1px 28px), repeating-linear-gradient(90deg, rgba(11,114,173,.035) 0 1px, transparent 1px 28px), #fff; }
.sec.white .xp { background: linear-gradient(180deg, rgba(11,114,173,.05), transparent 45%), repeating-linear-gradient(0deg, rgba(11,114,173,.035) 0 1px, transparent 1px 28px), repeating-linear-gradient(90deg, rgba(11,114,173,.035) 0 1px, transparent 1px 28px), #f7f9fb; }
.xp-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin-bottom: 22px; }
.xp-title { font-size: 20px; letter-spacing: -.02em; line-height: 1.2; }
.xp-hsrc { margin-left: auto; }
.xp-k { display: flex; align-items: center; gap: 8px; margin: 0 0 12px; font: 600 11px/1.3 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--mute); }
.xp-grid { display: grid; grid-template-columns: 1.05fr 1fr 1fr; gap: 30px clamp(24px, 3vw, 40px); }
.xp-grid > section { min-width: 0; }
@media (max-width: 1100px) { .xp-grid { grid-template-columns: 1fr 1fr; } .xp-grid > section:last-child { grid-column: 1 / -1; } }
@media (max-width: 700px) { .xp-grid { grid-template-columns: 1fr; } }
.xp-kv { margin: 0; display: grid; }
.xp-kv > div { display: grid; grid-template-columns: minmax(92px, 34%) minmax(0, 1fr); gap: 12px; padding: 9px 0; border-top: 1px solid var(--line); font-size: 13.5px; line-height: 1.45; }
.xp-kv dt { color: var(--mute); }
.xp-kv dd { margin: 0; color: var(--ink); overflow-wrap: break-word; }
.xp-kv dd .src { margin-left: 2px; }
.xp-eq + .xp-eq { margin-top: 18px; }
.xp-eql { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; margin: 0 0 7px; font-size: 13px; color: var(--ink2); }
.eq { padding: 10px 14px; border-radius: 10px; background: rgba(255,255,255,.035); border: 1px solid var(--line); border-left: 2px solid var(--accent, var(--xp)); font-family: "Cambria Math", "STIX Two Math", "Latin Modern Math", Cambria, Georgia, serif; font-size: 17px; line-height: 1.5; color: var(--ink); overflow-wrap: break-word; }
.sec.light .eq, .sec.white .eq { background: #fff; }
.eq var { font-style: italic; }
.eq sub { font-size: .66em; font-style: normal; }
.xp-eqn { margin: 7px 0 0; font-size: 12.5px; line-height: 1.45; color: var(--mute); }
.xp-foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 10px 20px; margin-top: 26px; padding-top: 16px; border-top: 1px solid var(--line); }
.xp-foot .tiny { max-width: 70ch; }

/* small charts */
.xc-bars { display: grid; gap: 12px; }
.xc-lv { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; margin-bottom: 5px; font-size: 12.5px; color: var(--ink2); }
.xc-lv b { font: 600 13.5px var(--font); font-variant-numeric: tabular-nums; color: var(--ink); white-space: nowrap; }
.xc-track { position: relative; height: 8px; border-radius: 6px; background: rgba(255,255,255,.07); overflow: hidden; }
.xc-track i { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 6px; background: var(--accent, var(--xp)); }
.xc-range { overflow: visible; }
.xc-range i.plus { border-radius: 6px 0 0 6px; }
.xc-range i.plus::after { content: ""; position: absolute; left: 100%; top: 0; bottom: 0; width: 22px; background: linear-gradient(90deg, var(--accent, var(--xp)), transparent); }
.xc-range em { position: absolute; top: -4px; bottom: -4px; width: 3px; margin-left: -1.5px; border-radius: 2px; background: var(--accent, var(--xp)); box-shadow: 0 0 10px var(--accent, var(--xp)); }
.xc-axis { display: flex; justify-content: space-between; margin-top: 2px; font: 11px var(--mono); color: var(--mute); }
.xc-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 12px 0 0; font-size: 11.5px; color: var(--mute); }
.xc-pt { width: 100%; max-width: 360px; color: var(--ink); font-family: var(--font); }
.xc-ladder { display: grid; gap: 8px; }
.xc-ladder > div { display: grid; gap: 2px; margin-left: calc(var(--i) * 12%); padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line); border-left: 3px solid var(--c); background: rgba(255,255,255,.03); font-size: 12.5px; color: var(--ink2); }
.xc-ladder b { color: var(--ink); font-size: 14px; }
.xc-time { margin: 2px 0 0; text-align: right; font: 11px var(--mono); color: var(--mute); }
.xc-chain { list-style: none; margin: 0; padding: 0; counter-reset: c; }
.xc-chain li { counter-increment: c; position: relative; padding: 7px 0 7px 34px; font-size: 13px; color: var(--ink2); }
.xc-chain li::before { content: counter(c); position: absolute; left: 0; top: 5px; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font: 600 11px var(--mono); color: var(--accent, var(--xp)); border: 1px solid var(--accent, var(--xp)); background: var(--bg2); }
.xc-chain li + li::after { content: ""; position: absolute; left: 11px; top: -7px; height: 12px; width: 1px; background: var(--accent, var(--xp)); opacity: .55; }
.xc-l4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.xc-l4 span { padding: 9px 2px; border-radius: 9px; border: 1px solid var(--line2); background: rgba(255,255,255,.04); text-align: center; font: 600 12px var(--mono); color: var(--ink); }
.xc-join { position: relative; height: 18px; margin: 0 12.5%; border: 1px solid var(--accent, var(--xp)); border-top: 0; border-radius: 0 0 10px 10px; opacity: .6; background: linear-gradient(var(--accent, var(--xp)), var(--accent, var(--xp))) 33.3% 0 / 1px 100% no-repeat, linear-gradient(var(--accent, var(--xp)), var(--accent, var(--xp))) 66.7% 0 / 1px 100% no-repeat; }
.xc-join::after { content: ""; position: absolute; left: 50%; bottom: -10px; height: 10px; width: 1px; background: var(--accent, var(--xp)); }
.xc-to { margin-top: 10px; padding: 11px; border-radius: 10px; border: 1px solid var(--accent, var(--xp)); background: rgba(56,189,248,.08); text-align: center; font-size: 13px; color: var(--ink); }

/* innovation cards: expert panel + 3D button */
.inno > .xp { grid-column: 1 / -1; order: 3; }
.x3d-row { margin-top: 16px; }
.x3d svg { width: 17px; height: 17px; flex: none; }
.btn.ghost.x3d { border-color: color-mix(in srgb, var(--accent, var(--cyan)) 45%, var(--line2)); }
.btn.ghost.x3d:hover { border-color: var(--accent, var(--cyan)); background: color-mix(in srgb, var(--accent, var(--cyan)) 12%, transparent); }

/* overview rail: card link + 3D pill */
.icard .kr { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.icard-main::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.icard-main:focus-visible { outline: none; }
.icard:has(.icard-main:focus-visible) { outline: 2px solid var(--cyan); outline-offset: 2px; }
.icard-3d { position: relative; z-index: 2; flex: none; display: inline-flex; align-items: center; gap: 5px; height: 26px; padding: 0 10px 0 8px; border-radius: 999px; font: 600 12px/1 var(--font); letter-spacing: .02em; color: var(--ink); background: rgba(5,7,9,.5); border: 1px solid var(--line2); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); transition: background .2s, border-color .2s; }
.icard-3d svg { width: 14px; height: 14px; }
.icard-3d:hover { background: rgba(255,255,255,.14); border-color: var(--ink2); }

/* spec strip, chips, notes */
.specs { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.spec { display: flex; flex-direction: column; gap: 6px; min-width: 0; padding: 16px 16px 14px; border-radius: 14px; border: 1px solid var(--xp-line); background: linear-gradient(180deg, var(--xp-soft), transparent), var(--bg2); }
.sec.light .spec { background: #fff; } .sec.white .spec { background: #f7f9fb; }
.spec .sv { font: 600 26px/1.05 var(--font); letter-spacing: -.03em; font-variant-numeric: tabular-nums; color: var(--ink); overflow-wrap: break-word; }
.spec .sv small { margin-left: 5px; font-size: 12px; font-weight: 600; letter-spacing: 0; color: var(--xp); }
.spec .sl { flex: 1; font-size: 12.5px; line-height: 1.4; color: var(--ink2); }
.spec .src { align-self: flex-start; }
.xp-chips { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 22px; }
.xp-chip { display: inline-flex; padding: 6px 12px; border-radius: 999px; font: 500 14px/1.25 var(--font); font-variant-numeric: tabular-nums; color: var(--ink); background: var(--xp-soft); border: 1px solid var(--xp-line); }
.xp-note { display: flex; gap: 12px; align-items: flex-start; max-width: 80ch; margin: 0; padding: 14px 16px; border-radius: 14px; border: 1px solid var(--xp-line); background: var(--xp-soft); font-size: 14.5px; line-height: 1.5; color: var(--ink2); }
.xp-note b { color: var(--ink); }
.xp-note .xp-badge { margin-top: 1px; }
.num-src { margin-top: 10px; }
.faq .faq-src { margin: 10px 0 0; }
.xp-docs { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 0 24px; }
.xp-docs > div { display: grid; grid-template-columns: 34px 1fr; align-content: start; gap: 2px 10px; padding: 10px 0; border-top: 1px solid var(--line); font-size: 13.5px; }
.xp-docs b { grid-row: span 2; padding-top: 2px; font: 600 12px var(--mono); color: var(--xp); }
.xp-docs span { color: var(--ink); }
.xp-docs em { font-style: normal; font-size: 12px; color: var(--mute); }
.xp-pk { display: flex; flex-wrap: wrap; gap: 8px; }
.xp-pk span { display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border-radius: 999px; border: 1px solid var(--line2); background: var(--panel); font-size: 13px; color: var(--ink); }
.xp-pk em { font: 600 11px var(--mono); font-style: normal; color: var(--xp); }
.sec.light .gantt .bar, .sec.white .gantt .bar { background: repeating-linear-gradient(90deg, transparent 0 calc(100%/24 - 1px), rgba(0,0,0,.07) calc(100%/24 - 1px) calc(100%/24)); }
.sec.xp-sec { background: radial-gradient(900px 500px at 80% 0%, rgba(56,189,248,.09), transparent 60%), var(--bg); border-top: 1px solid var(--xp-line); }

/* flow legend with quantities, equipment schedule */
.flowq { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 0 22px; }
.flowq > div { display: grid; grid-template-columns: 18px minmax(0, 1fr) auto; gap: 3px 10px; align-items: center; padding: 9px 0; border-top: 1px solid var(--line); font-size: 13px; }
.flowq i { grid-row: 1 / span 2; width: 18px; height: 3px; border-radius: 3px; }
.flowq b { grid-column: 2; grid-row: 1; color: var(--ink); font-weight: 600; }
.flowq .src { grid-column: 3; grid-row: 1; }
.flowq span:not(.src) { grid-column: 2 / -1; grid-row: 2; font: 400 13.5px/1.45 var(--font); font-variant-numeric: tabular-nums; color: var(--ink2); }
.xp-sched { margin-top: 28px; }
.sched { display: grid; font-size: 13.5px; }
.sched-h, .sched-r { display: grid; grid-template-columns: minmax(110px, .9fr) minmax(0, 1.6fr) minmax(0, 1.5fr) minmax(96px, auto); gap: 14px; align-items: baseline; padding: 11px 0; border-top: 1px solid var(--line); }
.sched-h { padding-top: 0; border-top: 0; font: 600 11px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--mute); }
.sched-r b { color: var(--ink); font-weight: 600; }
.sched-r span { color: var(--ink2); }
.sched-r .sched-v { font-weight: 600; font-variant-numeric: tabular-nums; color: var(--ink); }
.sched-r .src { justify-self: start; }
@media (max-width: 760px) { .sched-h { display: none; } .sched-r { grid-template-columns: minmax(0, 1fr) auto; gap: 4px 12px; } .sched-r .src { grid-column: 2; grid-row: 1; justify-self: end; } .sched-r span { grid-column: 1 / -1; } }

/* explorer: annotation toggles, richer zone panel, focusable hotspots */
.xp-bar { align-items: center; }
.xp-bar .xp-badge { margin: 0 4px 0 6px; }
.xp-bar button[aria-pressed="false"] { color: var(--mute); }
.xp-bar button[aria-pressed="true"] { background: rgba(56,189,248,.16); color: #d6f1ff; box-shadow: inset 0 0 0 1px rgba(56,189,248,.55); }
.panel .xp-panel-specs { margin-top: 18px; }
.panel .xp-kv > div { grid-template-columns: minmax(80px, 36%) minmax(0, 1fr); font-size: 13px; }
.panel .x3d { margin: 0; }
@media (min-width: 1001px) { .panel { max-height: calc(100vh - var(--nav) - 32px); overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; } }
.dexplan .hs:focus { outline: none; }
.dexplan .hs:focus-visible .hs-ring { fill: rgba(56,189,248,.28); stroke: var(--cyan); stroke-width: 3; animation: none; }

/* energy balance (Overview) */
.ob { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 24px; align-items: start; }
@media (max-width: 1060px) { .ob { grid-template-columns: 1fr; } }
.ob-main, .ob-side { min-width: 0; }
.ob-tabs { margin-bottom: 14px; }
.ob-tabs button[aria-selected="true"] { background: #f4f6f8; color: #050709; }
.ob-scroll { overflow-x: auto; border-radius: 18px; border: 1px solid var(--line); background: repeating-linear-gradient(0deg, rgba(56,189,248,.03) 0 1px, transparent 1px 28px), repeating-linear-gradient(90deg, rgba(56,189,248,.03) 0 1px, transparent 1px 28px), var(--ob-bg); scrollbar-width: thin; }
.ob-pane svg { display: block; width: 100%; min-width: 760px; height: auto; padding: 8px; }
.ob-pane[hidden] { display: none; }
.ob-hint { display: none; margin: 10px 0 0; }
@media (max-width: 820px) { .ob-hint { display: block; } }
.ob-svg .ob-t { font: 600 14px var(--font); fill: var(--ink); }
.ob-svg .ob-s { font: 400 12px var(--font); fill: var(--ink2); }
.ob-svg .ob-v { font: 600 13px var(--font); fill: var(--ink); }
.ob-svg .ob-k { font: 600 11px var(--mono); letter-spacing: .12em; fill: var(--mute); }
.ob-side { padding: 22px; border-radius: 18px; border: 1px solid var(--xp-line); background: var(--xp-soft); }
.xp-tab { width: 100%; border-collapse: collapse; font-size: 14px; }
.xp-tab th, .xp-tab td { padding: 9px 0 9px 8px; border-bottom: 1px solid var(--line); text-align: right; font-variant-numeric: tabular-nums; }
.xp-tab th[scope="row"] { padding-left: 0; text-align: left; font-weight: 500; color: var(--ink2); }
.xp-tab thead th { font: 600 10.5px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--mute); }
.xp-tab td { font-weight: 600; color: var(--ink); white-space: nowrap; }
.ob-avail { display: grid; gap: 8px; margin-top: 14px; }
.ob-avail div { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; padding: 10px 12px; border-radius: 10px; background: rgba(245,165,36,.08); border: 1px solid rgba(245,165,36,.3); font-size: 13px; color: var(--ink2); }
.ob-avail b { font-size: 15.5px; font-weight: 600; font-variant-numeric: tabular-nums; color: var(--amber); white-space: nowrap; }
.ob-avail div + div { background: rgba(255,255,255,.03); border-color: var(--line); }
.ob-avail div + div b { color: var(--ink); }

/* media: what each film and image shows, and its limits */
.xp-shows { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; padding: 16px 18px; border-radius: 16px; border: 1px solid var(--xp-line); background: var(--xp-soft); font-size: 13.5px; }
.xp-shows p { margin: 4px 0 0; line-height: 1.5; color: var(--ink2); }
.xp-shows .xp-k { margin: 0; }
.xp-shows-f { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
@media (max-width: 640px) { .xp-shows { grid-template-columns: 1fr; } }
.filmcell { display: grid; gap: 12px; align-content: start; }
.xp-cap { padding: 12px 14px 13px; border-top: 1px solid var(--xp-line); background: var(--bg2); font-size: 12.5px; line-height: 1.45; color: var(--ink2); }
.xp-cap b { display: block; margin-bottom: 3px; font-weight: 600; color: var(--ink); }
.xp-cap span { display: block; margin-top: 4px; color: var(--mute); }
.lightbox .cap { padding: 0 20px; }
.lightbox .cap .cx { display: block; max-width: 80ch; margin: 6px auto 0; font-size: 12.5px; color: var(--mute); }

/* layout fixes */
.split-8-12 { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); }
@media (max-width: 640px) { .split-8-12 { grid-template-columns: 1fr; } }
@media (max-width: 420px) { .nav .wrap { gap: 12px; } }

/* footer credit */
.foot .credit { margin: 8px 0 0; font-size: 12px; line-height: 1.6; color: var(--mute); }

.foot .foot-logos { display: flex; align-items: center; gap: 18px; margin-top: 14px; opacity: .85; }
.foot .foot-logos img { height: 26px; width: auto; }
.foot .foot-logos img + img { height: 22px; }

/* language switch: one flag button for the other language, the code set on the flag */
.langsw { display: inline-flex; margin-left: 10px; flex: none; }
.langsw a { position: relative; display: grid; place-items: center; width: 56px; height: 32px; border-radius: 999px; overflow: hidden; text-decoration: none; isolation: isolate;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.3), 0 4px 14px rgba(0,0,0,.35); transition: transform .25s var(--ease), box-shadow .25s; }
.langsw .fl { position: absolute; inset: 0; z-index: -2; background-size: cover; background-position: center; filter: saturate(1.05) brightness(.92); transform: scale(1.04); transition: filter .3s, transform .5s var(--ease); }
.langsw a::after { content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit;
  background: linear-gradient(115deg, rgba(255,255,255,.32) 0%, rgba(255,255,255,0) 40%), linear-gradient(0deg, rgba(5,7,9,.3), rgba(5,7,9,.05)); }
.langsw b { font: 800 12.5px/1 var(--font); letter-spacing: .1em; color: #fff; text-shadow: 0 1px 2px rgba(0,0,0,.85), 0 0 10px rgba(0,0,0,.6); }
.langsw a:hover, .langsw a:focus-visible { transform: translateY(-1px); box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.95), 0 0 0 1px rgba(139,198,81,.6), 0 6px 18px rgba(0,0,0,.4); }
.langsw a:hover .fl, .langsw a:focus-visible .fl { filter: saturate(1.1) brightness(1.04); transform: scale(1.1); }
.langsw a:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
.langsw .uk .fl { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 60 30'%3E%3CclipPath id='s'%3E%3Cpath d='M0,0v30h60V0z'/%3E%3C/clipPath%3E%3CclipPath id='t'%3E%3Cpath d='M30,15h30v15zv15H0zH0V0zV0h30z'/%3E%3C/clipPath%3E%3Cg clip-path='url(%23s)'%3E%3Cpath d='M0,0v30h60V0z' fill='%23012169'/%3E%3Cpath d='M0,0L60,30M60,0L0,30' stroke='%23fff' stroke-width='6'/%3E%3Cpath d='M0,0L60,30M60,0L0,30' clip-path='url(%23t)' stroke='%23C8102E' stroke-width='4'/%3E%3Cpath d='M30,0v30M0,15h60' stroke='%23fff' stroke-width='10'/%3E%3Cpath d='M30,0v30M0,15h60' stroke='%23C8102E' stroke-width='6'/%3E%3C/g%3E%3C/svg%3E"); }
.langsw .es .fl { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 60 40'%3E%3Cpath fill='%23AA151B' d='M0 0h60v40H0z'/%3E%3Cpath fill='%23F1BF00' d='M0 10h60v20H0z'/%3E%3C/svg%3E"); }
/* nine links + language + mode + CTA: tighten, then drop the CTA (also in hero and footer) before the menu collapses */
@media (max-width: 1600px) { .nav-links a { padding: 8px 9px; font-size: 13.5px; } .nav .wrap { gap: 16px; } }
@media (max-width: 1500px) { .nav .btn.cta { display: none; } }
/* ---------- V2: who are you? chooser and the "Viewing as" switch ---------- */
.persona { display: inline-flex; align-items: center; gap: 6px; height: 32px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--line); background: rgba(255,255,255,.06); color: var(--ink2); font-size: 12.5px; white-space: nowrap; flex: none; cursor: pointer; }
.persona b { color: var(--ink); font-weight: 600; }
.persona:hover { border-color: rgba(255,255,255,.35); }
@media (max-width: 1240px) { .persona span { display: none; } }
.who { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; padding: 16px; background: rgba(3,5,7,.72); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); opacity: 0; transition: opacity .3s; overflow-y: auto; }
.who.on { opacity: 1; }
.who-in { width: min(940px, 100%); background: #0b0f14; border: 1px solid var(--line); border-radius: 24px; padding: clamp(22px, 4vw, 40px); box-shadow: 0 40px 120px rgba(0,0,0,.55); }
.who h2 { margin: 0; font-size: clamp(28px, 4vw, 42px); letter-spacing: -.03em; }
.who-in > p { color: var(--ink2); margin: 8px 0 22px; max-width: 60ch; }
.who-g { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 760px) { .who-g { grid-template-columns: 1fr; } }
.who-c { text-align: left; display: flex; flex-direction: column; gap: 8px; padding: 20px; border-radius: 18px; border: 1px solid var(--line); background: rgba(255,255,255,.04); color: var(--ink); cursor: pointer; transition: border-color .2s, transform .2s, background .2s; font: inherit; }
.who-c[data-p="public"] { --pcc: #8bc651; } .who-c[data-p="engineer"] { --pcc: #38bdf8; } .who-c[data-p="investor"] { --pcc: #f5a524; }
.who-c { transition: border-color .25s, transform .3s cubic-bezier(.2,.8,.2,1), background .25s, opacity .3s; }
.who-c:hover, .who-c:focus-visible { border-color: var(--pcc); background: color-mix(in srgb, var(--pcc) 9%, transparent); transform: translateY(-3px); outline: none; }
.who-ic { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 14px; background: color-mix(in srgb, var(--pcc) 16%, transparent); }
.who-ic svg { width: 24px; height: 24px; fill: none; stroke: var(--pcc); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.who-ex { display: block; font-size: 13.5px; line-height: 1.45; color: var(--ink2); border-left: 2px solid var(--pcc); padding: 6px 0 6px 10px; border-radius: 0 8px 8px 0; background: rgba(255,255,255,.03); }
.who-ex u { display: block; text-decoration: none; font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--mute); margin-bottom: 2px; }
.who.picking .who-c:not(.picked) { opacity: .3; transform: scale(.97); }
.who-c.picked { border-color: var(--pcc); background: color-mix(in srgb, var(--pcc) 14%, transparent); transform: scale(1.03); }
html[data-persona="public"] { --pc: #8bc651; } html[data-persona="engineer"] { --pc: #38bdf8; } html[data-persona="investor"] { --pc: #f5a524; }
.persona::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--pc, #8bc651); flex: none; }
html.persona-flash .nav { box-shadow: inset 0 -2px 0 var(--pc); }
.nav { transition: box-shadow .5s; }
@media (prefers-reduced-motion: reduce) { .who-c, .who.picking .who-c, .who-c.picked { transition: none; transform: none; } }
.who-c b { font-size: 21px; letter-spacing: -.02em; }
.who-c span { color: var(--ink2); font-size: 15px; line-height: 1.45; }
.who-c i { font-style: normal; color: var(--mute); font-size: 13px; margin-top: auto; }
.who-skip { margin-top: 16px; background: none; border: 0; color: var(--mute); font: inherit; font-size: 14px; text-decoration: underline; cursor: pointer; }
/* investor-only blocks */
.inv-only { display: none; }
html[data-persona="investor"] .inv-only { display: block; }
.inv-g { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 26px; }
@media (max-width: 1000px) { .inv-g { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .inv-g { grid-template-columns: 1fr; } }
.inv-g > div { border: 1px solid var(--line); border-radius: 18px; padding: 18px; background: rgba(255,255,255,.03); }
.inv-g h3 { margin: 0 0 8px; font-size: 18px; letter-spacing: -.015em; }
.inv-g p { margin: 0; color: var(--ink2); font-size: 15px; }
.inv-cta { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 22px; align-items: center; }
.inv-cta small { color: var(--mute); }
/* tighter steps so the full menu stays visible as the window narrows */
@media (max-width: 1400px) { .nav-links { gap: 2px; } .nav-links a { padding: 8px 8px; font-size: 13px; } .nav .wrap { gap: 14px; } .langsw { margin-left: 4px; } }
@media (max-width: 1240px) { .nav-links { gap: 0; } .nav-links a { padding: 7px 6px; font-size: 12.5px; } .nav .wrap { gap: 10px; } .langsw { margin-left: 0; } .langsw a { width: 48px; height: 30px; } .mode button { padding: 5px 10px; font-size: 12.5px; } }
@media (max-width: 1100px) { .nav-links a { padding: 6px 5px; font-size: 12px; } .nav .brand span { font-size: 16px; } .nav .brand { gap: 8px; } }
@media (max-width: 560px) { .nav .wrap { gap: 8px; } .langsw { margin-left: 0; } .langsw a { width: 44px; height: 28px; } .langsw b { font-size: 11px; letter-spacing: .06em; } .mode button { padding: 5px 10px; } .burger { width: 36px; margin-left: 0; } }
@media (max-width: 400px) { .nav .wrap { gap: 6px; } .langsw a { width: 40px; height: 26px; } .langsw b { font-size: 10.5px; letter-spacing: .05em; } .mode { padding: 2px; } .mode button { padding: 4px 8px; font-size: 11.5px; } .burger { width: 32px; } .nav .brand { gap: 7px; } .nav .brand span { font-size: 15px; } .nav .brand .mk { width: 19px; height: 19px; } }
@media (max-width: 350px) { .nav .brand span { display: none; } }

/* ---------- V2: comparison table (investors) and BREEAM ---------- */
.cmp-t { margin: 34px 0 12px; font-size: 20px; letter-spacing: -.015em; }
.cmp-w { overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; }
.cmp { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 560px; }
.cmp th, .cmp td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.cmp tr:last-child th, .cmp tr:last-child td { border-bottom: 0; }
.cmp thead th { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--mute); font-weight: 600; }
.cmp tbody th { font-weight: 600; color: var(--ink); width: 22%; }
.cmp td { color: var(--ink2); }
.cmp .us { color: var(--ink); background: rgba(245,165,36,.06); }
.cmp-s { margin-top: 10px; color: var(--mute); }
.br-g { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 16px; margin-top: 24px; }
@media (max-width: 860px) { .br-g { grid-template-columns: 1fr; } }
.br-score, .br-cats { border: 1px solid var(--line); border-radius: 18px; padding: 22px; background: rgba(255,255,255,.03); }
.br-score > b { display: block; font-size: clamp(44px, 6vw, 64px); letter-spacing: -.04em; line-height: 1; color: #8bc651; }
.br-score > span { color: var(--mute); font-size: 13px; letter-spacing: .06em; text-transform: uppercase; }
.br-bar { position: relative; height: 10px; border-radius: 999px; background: rgba(255,255,255,.08); margin: 34px 0 14px; }
.br-bar > i { position: absolute; inset: 0 auto 0 0; border-radius: 999px; background: linear-gradient(90deg, #4e7d2c, #8bc651); }
.br-bar > u { position: absolute; top: -8px; bottom: -8px; width: 2px; background: var(--ink); text-decoration: none; }
.br-bar > u em { position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%); margin-bottom: 4px; font-style: normal; font-size: 12px; color: var(--ink2); white-space: nowrap; }
.br-score p { margin: 0; color: var(--ink2); font-size: 14px; }
.br-k { margin: 0 0 12px; color: var(--mute); font-size: 13px; letter-spacing: .06em; text-transform: uppercase; }
.br-r { display: grid; grid-template-columns: minmax(110px, 34%) 1fr auto; gap: 12px; align-items: center; padding: 8px 0; }
.br-r span { color: var(--ink); font-size: 15px; }
.br-r i { height: 8px; border-radius: 999px; background: rgba(255,255,255,.08); overflow: hidden; }
.br-r i b { display: block; height: 100%; background: #8bc651; border-radius: 999px; }
.br-r em { font-style: normal; color: var(--ink2); font-size: 14px; font-variant-numeric: tabular-nums; }
.cmp .cmp-g th { background: rgba(255,255,255,.04); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--mute); font-weight: 600; }

/* ---------- V2: one three-way view switch (Public / Engineer / Investor) in the mode pill ---------- */
.mode.m3 .pill { width: calc(33.333% - 2px); }
html[data-persona="public"] .mode.m3 .pill, html:not([data-persona]) .mode.m3 .pill { transform: none; }
html[data-persona="engineer"] .mode.m3 .pill { transform: translateX(100%); }
html[data-persona="investor"] .mode.m3 .pill { transform: translateX(200%); }
.mode.m3 button { padding: 5px 12px; }
@media (max-width: 1240px) { .mode.m3 button { padding: 5px 9px; } }
@media (max-width: 420px) { .mode.m3 button { padding: 4px 7px; font-size: 11.5px; } }

/* ---------- email sign-up (footer) ---------- */
.su { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 10px 24px; align-items: center; padding: 22px; margin-bottom: 34px; border: 1px solid var(--line); border-radius: 18px; background: rgba(139,198,81,.05); }
@media (max-width: 760px) { .su { grid-template-columns: 1fr; } }
.su-t b { display: block; font-size: 18px; letter-spacing: -.015em; color: var(--ink); }
.su-t span { color: var(--ink2); font-size: 14px; }
.su-f { display: flex; gap: 8px; }
.su-f input[type=email] { flex: 1; min-width: 0; height: 42px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--line); background: rgba(255,255,255,.06); color: var(--ink); font: inherit; font-size: 15px; }
.su-f input[type=email]:focus { outline: 2px solid #8bc651; outline-offset: 1px; }
.su-f .btn { height: 42px; flex: none; }
.su-hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.su-c { grid-column: 1 / -1; display: flex; gap: 8px; align-items: flex-start; font-size: 12.5px; color: var(--mute); line-height: 1.45; cursor: pointer; }
.su-c input { margin-top: 2px; flex: none; }
.su-m { grid-column: 1 / -1; margin: 0; font-size: 14px; color: #8bc651; min-height: 0; }
.su-m:empty { display: none; }

/* ---------- investor view: investment case + locked teasers (placeholders only, no figures in the source) ---------- */
.inv-case { grid-template-columns: repeat(5, minmax(0, 1fr)); }
@media (max-width: 1200px) { .inv-case { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 760px) { .inv-case { grid-template-columns: 1fr; } }
.lock-g { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 1000px) { .lock-g { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .lock-g { grid-template-columns: 1fr; } }
.lock-c { position: relative; display: block; min-height: 150px; border-radius: 18px; border: 1px solid var(--line); overflow: hidden; background: rgba(255,255,255,.03); text-decoration: none; color: var(--ink); }
.lock-ph { position: absolute; inset: 16px; display: flex; flex-direction: column; gap: 10px; filter: blur(6px); opacity: .55; }
.lock-ph i { display: block; height: 12px; border-radius: 6px; background: linear-gradient(90deg, rgba(245,165,36,.6), rgba(255,255,255,.15)); }
.lock-ph i:nth-child(2) { width: 70%; } .lock-ph i:nth-child(3) { width: 45%; }
.lock-ph b { font-size: 22px; letter-spacing: -.02em; color: #f5a524; }
.lock-o { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end; gap: 4px; padding: 16px; background: linear-gradient(180deg, rgba(5,7,9,0) 20%, rgba(5,7,9,.85)); }
.lock-o svg { width: 20px; height: 20px; fill: none; stroke: #f5a524; stroke-width: 1.8; }
.lock-o em { font-style: normal; font-weight: 600; font-size: 15px; line-height: 1.3; }
.lock-o u { text-decoration: none; font-size: 13px; color: #f5a524; }
.lock-c:hover { border-color: #f5a524; }