/* HELIONOVUS — marketing site */
@import url('../shared/tokens.css');

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }
body {
  margin: 0; background: var(--void); color: var(--bone);
  font: 400 17px/1.55 var(--f-text); letter-spacing: -.003em;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  overflow-x: clip; transition: background-color .9s var(--ease-out), color .9s var(--ease-out);
}
body[data-page-theme="light"] { background: var(--bone); color: var(--void); }
body[data-page-theme="flare"] { background: var(--flare); color: var(--void); }
img, video, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
::selection { background: var(--flare); color: var(--void); }
:focus-visible { outline: 2px solid var(--flare); outline-offset: 3px; border-radius: 4px; }
.sr-only { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: fixed; left: 16px; top: -60px; z-index: 200; background: var(--flare); color: var(--void); padding: 10px 16px; border-radius: 8px; font-weight: 600; }
.skip:focus { top: 16px; }

/* ---------- themes: sections own their bg without JS; with JS the body crossfades ---------- */
[data-theme="dark"] { --bg: var(--void); --fg: var(--bone); --muted: rgba(238, 234, 227, .64); --line: rgba(238, 234, 227, .14); --card: rgba(238, 234, 227, .04); --accent-ink: var(--flare); }
[data-theme="light"] { --bg: var(--bone); --fg: var(--void); --muted: rgba(8, 8, 10, .64); --line: rgba(8, 8, 10, .14); --card: rgba(8, 8, 10, .035); --accent-ink: var(--flare-ink); }
[data-theme="flare"] { --bg: var(--flare); --fg: var(--void); --muted: rgba(8, 8, 10, .72); --line: rgba(8, 8, 10, .22); --card: rgba(8, 8, 10, .06); --accent-ink: var(--void); }
section[data-theme] { background: var(--bg); color: var(--fg); position: relative; }
html.js section[data-theme] { background: transparent; }
html.js section[data-theme].own-bg { background: var(--bg); }

/* ---------- type ---------- */
.eyebrow {
  font: 400 11px/1.3 var(--f-mono); letter-spacing: .12em; text-transform: uppercase;
  color: var(--muted); display: flex; gap: 14px; align-items: center; margin: 0 0 28px;
}
.eyebrow b { color: var(--accent-ink); font-weight: 500; }
.eyebrow::after { content: ''; flex: 0 0 56px; height: 1px; background: var(--line); }
.display, .h1, .h2, .h3 { font-family: var(--f-display); font-weight: 200; letter-spacing: -.045em; line-height: .96; margin: 0; }
.h1 { font-size: clamp(48px, 7.4vw, 132px); }
.h2 { font-size: clamp(38px, 5.2vw, 92px); line-height: 1; letter-spacing: -.04em; }
.h3 { font-size: clamp(26px, 2.6vw, 42px); line-height: 1.08; letter-spacing: -.03em; font-weight: 300; }
.h2 em, .h1 em, .h3 em { font-style: normal; color: var(--accent-ink); }
.lede { font-size: clamp(18px, 1.45vw, 22px); line-height: 1.5; color: var(--muted); max-width: 44ch; margin: 0; font-weight: 350; }
.lede strong { color: var(--fg); font-weight: 500; }
.mono { font-family: var(--f-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.small { font-size: 14px; color: var(--muted); line-height: 1.5; }
.num { font-family: var(--f-display); font-weight: 200; letter-spacing: -.05em; font-variant-numeric: tabular-nums; line-height: .9; }
.unit { font: 400 12px var(--f-mono); letter-spacing: .06em; color: var(--muted); margin-left: .4em; text-transform: none; }
.src { font: 400 10px/1.5 var(--f-mono); letter-spacing: .04em; color: var(--muted); opacity: .8; }
.line-mask { display: block; overflow: hidden; padding-bottom: .06em; margin-bottom: -.06em; }
.line-mask > span { display: block; }

/* ---------- layout ---------- */
/* grid/flex children may shrink below their content (charts scroll inside instead of widening the page) */
.grid > *, .reaction > *, .scale > *, .spectrum > *, .stack > *, .dlr > *, .sensor > *, .products > *, .demand__stats > *, .approach > *, .news__grid > * { min-width: 0; }
.wrap { width: 100%; max-width: 1680px; margin: 0 auto; padding: 0 var(--gutter); }
.grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); }
.sec { padding: clamp(96px, 13vw, 200px) 0; }
.rule { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ---------- buttons ---------- */
.btn {
  --h: 52px; position: relative; display: inline-flex; align-items: center; gap: 12px; height: var(--h);
  padding: 0 26px; border-radius: 999px; font: 500 15px/1 var(--f-text); letter-spacing: -.005em;
  overflow: hidden; isolation: isolate; transition: color var(--t-med) var(--ease-out), border-color var(--t-med);
  white-space: nowrap; cursor: pointer; touch-action: manipulation;
}
.btn::before { content: ''; position: absolute; inset: 0; z-index: -1; border-radius: inherit; transform: translateY(101%); transition: transform var(--t-med) var(--ease-out); }
.btn:hover::before, .btn:focus-visible::before { transform: translateY(0); }
.btn svg { width: 14px; height: 14px; transition: transform var(--t-med) var(--ease-out); }
.btn:hover svg { transform: translateX(3px); }
.btn--flare { background: var(--flare); color: var(--void); }
.btn--flare::before { background: var(--bone); }
.btn--ghost { border: 1px solid var(--line); color: var(--fg); }
.btn--ghost::before { background: var(--fg); }
.btn--ghost:hover, .btn--ghost:focus-visible { color: var(--bg); border-color: var(--fg); }
.btn--dark { background: var(--void); color: var(--bone); }
.btn--dark::before { background: var(--bone); }
.btn--dark:hover { color: var(--void); }
.link-arrow { display: inline-flex; gap: 10px; align-items: center; font: 500 15px var(--f-text); border-bottom: 1px solid var(--line); padding-bottom: 6px; transition: border-color var(--t-med); }
.link-arrow:hover { border-color: var(--fg); }

/* ---------- preloader ---------- */
.loader { position: fixed; inset: 0; z-index: var(--z-loader); background: var(--void); color: var(--bone); display: grid; place-items: center; }
.loader__mark { width: min(38vw, 220px); }
.loader__mark path { stroke-dasharray: 1; stroke-dashoffset: 1; }
.loader__meta { position: absolute; left: var(--gutter); right: var(--gutter); bottom: 32px; display: flex; justify-content: space-between; font: 400 11px var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: rgba(238, 234, 227, .6); }
.loader__count { font-variant-numeric: tabular-nums; color: var(--bone); }
html:not(.js) .loader, html.no-loader .loader { display: none; }

/* ---------- nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto; z-index: var(--z-nav); height: 76px; color: var(--bone);
  transition: color .5s var(--ease-out), transform .6s var(--ease-out);
}
.nav::before { content: ''; position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(8, 8, 10, .55), transparent); opacity: 1; transition: opacity .5s; pointer-events: none; }
.nav[data-on="light"] { color: var(--void); }
.nav[data-on="light"]::before, .nav[data-on="flare"]::before { opacity: 0; }
.nav[data-on="flare"] { color: var(--void); }
.nav.is-hidden { transform: translateY(-100%); }
.nav__in { position: relative; height: 100%; display: flex; align-items: center; gap: 32px; }
.nav__brand { display: flex; align-items: center; gap: 14px; flex: 0 0 auto; }
.nav__brand .m { width: 30px; height: 30px; }
.nav__brand .w { height: 12px; width: auto; }
.nav__links { display: flex; gap: 4px; margin: 0 auto; padding: 5px; border-radius: 999px; background: rgba(128, 128, 128, .12); backdrop-filter: blur(14px) saturate(1.4); -webkit-backdrop-filter: blur(14px) saturate(1.4); }
.nav__links a { position: relative; padding: 9px 16px; border-radius: 999px; font: 450 14px/1 var(--f-text); opacity: .82; transition: opacity var(--t-fast), background var(--t-fast); }
.nav__links a:hover, .nav__links a.is-active { opacity: 1; background: rgba(128, 128, 128, .18); }
.nav__links a .tag { font: 400 9px var(--f-mono); letter-spacing: .08em; margin-left: 6px; opacity: .6; }
.nav__cta { display: flex; gap: 10px; align-items: center; margin-left: auto; }
.nav__cta .btn { --h: 42px; padding: 0 20px; font-size: 14px; }
.nav__cta .btn--ghost { border-color: currentColor; border-color: color-mix(in srgb, currentColor 30%, transparent); color: inherit; }
.nav__cta .btn--ghost::before { background: currentColor; }
.nav[data-on="dark"] .nav__cta .btn--ghost:hover, .nav:not([data-on]) .nav__cta .btn--ghost:hover { color: var(--void); }
.nav[data-on="light"] .nav__cta .btn--ghost:hover, .nav[data-on="flare"] .nav__cta .btn--ghost:hover { color: var(--bone); }
.nav[data-on="flare"] .btn--flare { background: var(--void); color: var(--bone); }
.nav__menu { display: none; width: 44px; height: 44px; border-radius: 50%; border: 1px solid color-mix(in srgb, currentColor 30%, transparent); place-items: center; }
.nav__menu span { display: block; width: 16px; height: 1.5px; background: currentColor; position: relative; }
.nav__menu span::before, .nav__menu span::after { content: ''; position: absolute; left: 0; width: 100%; height: 100%; background: currentColor; transition: transform .4s var(--ease-out); }
.nav__menu span::before { transform: translateY(-5px); }
.nav__menu span::after { transform: translateY(5px); }
body.menu-open .nav__menu span { background: transparent; }
body.menu-open .nav__menu span::before { transform: rotate(45deg); }
body.menu-open .nav__menu span::after { transform: rotate(-45deg); }

.menu { position: fixed; inset: 0; z-index: calc(var(--z-nav) - 1); background: var(--void); color: var(--bone); padding: 110px var(--gutter) 40px; display: flex; flex-direction: column; justify-content: space-between; clip-path: inset(0 0 100% 0); transition: clip-path .8s var(--ease-in-out); visibility: hidden; }
body.menu-open .menu { clip-path: inset(0 0 0 0); visibility: visible; }
.menu ol { list-style: none; margin: 0; padding: 0; counter-reset: m; }
.menu li { overflow: hidden; border-bottom: 1px solid rgba(238, 234, 227, .12); }
.menu li a { display: flex; align-items: baseline; gap: 18px; padding: 14px 0; font: 200 clamp(36px, 9vw, 64px)/1 var(--f-display); letter-spacing: -.04em; transform: translateY(100%); transition: transform .8s var(--ease-out); }
.menu li a small { font: 400 11px var(--f-mono); letter-spacing: .1em; color: var(--flare); }
body.menu-open .menu li a { transform: none; }
.menu li:nth-child(2) a { transition-delay: .05s } .menu li:nth-child(3) a { transition-delay: .1s } .menu li:nth-child(4) a { transition-delay: .15s } .menu li:nth-child(5) a { transition-delay: .2s } .menu li:nth-child(6) a { transition-delay: .25s } .menu li:nth-child(7) a { transition-delay: .3s }

/* chapter rail */
.rail { position: fixed; right: 20px; top: 50%; transform: translateY(-50%); z-index: 40; display: flex; flex-direction: column; gap: 10px; mix-blend-mode: difference; color: #fff; }
.rail a { display: flex; align-items: center; justify-content: flex-end; gap: 10px; height: 14px; font: 400 9px var(--f-mono); letter-spacing: .12em; text-transform: uppercase; }
.rail a span { opacity: 0; transform: translateX(6px); transition: opacity .3s, transform .3s var(--ease-out); white-space: nowrap; }
.rail a i { display: block; width: 14px; height: 1px; background: currentColor; opacity: .45; transition: width .4s var(--ease-out), opacity .3s; }
.rail a:hover span, .rail a:focus-visible span, .rail a.is-active span { opacity: 1; transform: none; }
.rail a.is-active i { width: 30px; opacity: 1; }
.rail.is-hidden { opacity: 0; pointer-events: none; }
.rail { transition: opacity .5s; }

/* progress bar */
.progress { position: fixed; left: 0; top: 0; height: 2px; width: 100%; transform-origin: 0 50%; transform: scaleX(0); background: var(--flare); z-index: calc(var(--z-nav) + 1); }

/* cursor */
.cursor { position: fixed; left: 0; top: 0; z-index: var(--z-cursor); pointer-events: none; width: 10px; height: 10px; margin: -5px 0 0 -5px; border-radius: 50%; background: var(--flare); transition: width .35s var(--ease-out), height .35s var(--ease-out), margin .35s var(--ease-out), background .35s, opacity .3s; mix-blend-mode: normal; opacity: 0; }
.cursor.is-on { opacity: 1; }
.cursor.is-hover { width: 56px; height: 56px; margin: -28px 0 0 -28px; background: rgba(255, 90, 31, .18); border: 1px solid var(--flare); }
.cursor.is-drag { width: 84px; height: 84px; margin: -42px 0 0 -42px; background: var(--flare); }
.cursor b { position: absolute; inset: 0; display: grid; place-items: center; font: 500 9px var(--f-mono); letter-spacing: .1em; color: var(--void); opacity: 0; transition: opacity .2s; }
.cursor.is-drag b { opacity: 1; }
@media (hover: none), (pointer: coarse) { .cursor { display: none; } }

/* grain */
.grain { position: fixed; inset: -50%; z-index: 90; pointer-events: none; opacity: .05; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .9 0'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)'/%3E%3C/svg%3E"); animation: grain 1.2s steps(6) infinite; }
@keyframes grain { 0% { transform: translate(0, 0) } 20% { transform: translate(-3%, 2%) } 40% { transform: translate(2%, -3%) } 60% { transform: translate(-2%, -1%) } 80% { transform: translate(3%, 3%) } 100% { transform: translate(0, 0) } }

/* =================================================================== HERO */
.hero { height: 100svh; min-height: 640px; overflow: hidden; }
html.js .hero { height: 320svh; overflow: visible; }
html.rm .hero { height: 100svh; }
html.rm .tok { height: auto; }
html.rm .tok__stage { position: relative; }
.hero__stage { position: relative; height: 100svh; min-height: 640px; overflow: hidden; background: #000; }
html.js .hero__stage { position: sticky; top: 0; }
.hero__halo { position: absolute; left: 50%; top: 50%; width: 150vmax; height: 150vmax; transform: translate(-50%, -50%); background: radial-gradient(circle, rgba(255, 110, 40, .28) 0%, rgba(255, 90, 31, .10) 18%, rgba(120, 30, 10, .06) 32%, transparent 52%); pointer-events: none; }
.sun { --d: min(74svh, 86vw); position: absolute; left: 50%; top: 50%; width: var(--d); height: var(--d); margin: calc(var(--d) / -2) 0 0 calc(var(--d) / -2); border-radius: 50%; will-change: transform; }
.sun__disc { position: absolute; inset: 0; border-radius: 50%; overflow: hidden; background: radial-gradient(circle at 50% 50%, #ff9a3c 0%, #f06418 45%, #b8340a 72%, #5a1204 100%); box-shadow: 0 0 calc(var(--d) * .08) calc(var(--d) * .01) rgba(255, 110, 30, .55), 0 0 calc(var(--d) * .35) rgba(255, 80, 20, .25); transform: translateZ(0); }
.sun__disc video { position: absolute; top: 50%; left: 50%; height: 102%; width: auto; max-width: none; transform: translate(-50%, -50%); opacity: 0; transition: opacity 1.6s var(--ease-out); }
.sun__disc video.is-playing { opacity: 1; }
.sun__disc::after { content: ''; position: absolute; inset: 0; border-radius: 50%; box-shadow: inset 0 0 calc(var(--d) * .06) rgba(255, 180, 90, .35); pointer-events: none; }
.sun__mark { position: absolute; left: 50%; top: 50%; width: calc(var(--d) * 1); height: calc(var(--d) * 1); transform: translate(-50%, -50%); pointer-events: none; overflow: visible; opacity: 0; }
.hero__title { position: absolute; inset: 0; margin: 0; pointer-events: none; font: 200 clamp(84px, 17.5vw, 330px)/.8 var(--f-display); letter-spacing: -.065em; color: var(--bone); }
.hero__title .t1, .hero__title .t2 { position: absolute; display: block; white-space: nowrap; }
.hero__title .t1 { left: var(--gutter); top: 13svh; }
.hero__title .t2 { right: calc(var(--gutter) + 1vw); bottom: 11svh; }
.hero__title .t1 span, .hero__title .t2 span { display: inline-block; }
.hero__meta { position: absolute; left: var(--gutter); right: var(--gutter); bottom: 32px; display: grid; grid-template-columns: minmax(0, 460px) 1fr; gap: 32px; align-items: end; }
.hero__meta .hero__intro { max-width: 390px; }
.hero__intro { font-size: 16px; line-height: 1.5; color: rgba(238, 234, 227, .78); margin: 0 0 18px; }
.hero__ctas { display: flex; gap: 10px; flex-wrap: wrap; }
.hero__caption { position: absolute; top: 104px; right: var(--gutter); text-align: right; max-width: 300px; display: grid; gap: 8px; justify-items: end; }
.hero__caption .mono { color: rgba(238, 234, 227, .55); display: block; line-height: 1.7; font-size: 10px; }
.hero__caption .live { display: inline-flex; gap: 8px; align-items: center; color: var(--bone); font-size: 10px; }
.hero__caption .live::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--flare); box-shadow: 0 0 0 0 rgba(255, 90, 31, .6); animation: ping 2s infinite; }
@keyframes ping { 70% { box-shadow: 0 0 0 8px rgba(255, 90, 31, 0) } 100% { box-shadow: 0 0 0 0 rgba(255, 90, 31, 0) } }
.hero__scroll { position: absolute; left: 50%; bottom: 30px; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 10px; font: 400 9px var(--f-mono); letter-spacing: .2em; color: rgba(238, 234, 227, .6); }
.hero__scroll i { width: 1px; height: 44px; background: linear-gradient(to bottom, rgba(238, 234, 227, .6), transparent); animation: drip 2.2s var(--ease-in-out) infinite; transform-origin: top; }
@keyframes drip { 0% { transform: scaleY(0) } 50% { transform: scaleY(1); transform-origin: top } 51% { transform-origin: bottom } 100% { transform: scaleY(0); transform-origin: bottom } }
.hero__name { position: absolute; inset: 0; display: grid; grid-template-columns: 1fr 1fr; align-items: center; padding: 0 var(--gutter); pointer-events: none; }
.hero__name > div { max-width: 340px; opacity: 0; }
.hero__name > div:last-child { justify-self: end; text-align: right; }
.hero__name dt { font: 200 clamp(40px, 5vw, 84px)/1 var(--f-display); letter-spacing: -.04em; margin-bottom: 14px; }
.hero__name dt small { font: 400 11px var(--f-mono); letter-spacing: .12em; color: var(--flare); display: block; margin-bottom: 14px; }
.hero__name dd { margin: 0; font-size: 15px; line-height: 1.55; color: rgba(238, 234, 227, .7); }
.hero__word { position: absolute; left: 50%; bottom: 11svh; transform: translateX(-50%); width: min(52vw, 640px); opacity: 0; color: var(--bone); }
.hero__word svg { width: 100%; height: auto; }

/* =================================================================== MANIFESTO */
.manifesto { padding: clamp(120px, 16vw, 240px) 0 clamp(100px, 12vw, 180px); }
.manifesto__text { grid-column: 1 / span 10; font: 300 clamp(30px, 3.9vw, 68px)/1.12 var(--f-display); letter-spacing: -.035em; margin: 0; }
.manifesto__text .w { opacity: .14; transition: none; }
.manifesto__text .hl { color: var(--accent-ink); }
.manifesto__facts { grid-column: 1 / -1; margin-top: clamp(64px, 8vw, 120px); display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gutter); border-top: 1px solid var(--line); padding-top: 28px; }
.fact .num { font-size: clamp(34px, 3.4vw, 56px); display: block; margin-bottom: 12px; }
.fact p { margin: 0; font-size: 14px; color: var(--muted); max-width: 30ch; }

/* =================================================================== DEMAND */
.demand__head { grid-column: 1 / span 7; }
.demand__side { grid-column: 9 / span 4; align-self: end; }
.demand__stats { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gutter); margin-top: clamp(64px, 8vw, 120px); }
.stat { border-top: 1px solid var(--line); padding-top: 24px; }
.stat .num { font-size: clamp(56px, 6.4vw, 120px); display: flex; align-items: baseline; }
.stat .num small { font: 400 13px var(--f-mono); letter-spacing: .04em; margin-left: 10px; color: var(--muted); }
.stat p { margin: 18px 0 10px; max-width: 34ch; font-size: 15px; }
.demand__chart { grid-column: 1 / -1; margin-top: clamp(64px, 7vw, 110px); position: relative; }
.demand__chart svg { width: 100%; height: auto; overflow: visible; }
.demand__chart text { font: 400 19px var(--f-mono); fill: var(--muted); letter-spacing: .04em; }

/* =================================================================== MARQUEE */
.marquee { border-block: 1px solid var(--line); overflow: hidden; padding: 22px 0; }
.marquee__track { display: flex; width: max-content; gap: 56px; animation: marquee 48s linear infinite; }
.marquee__track span { font: 400 12px var(--f-mono); letter-spacing: .12em; text-transform: uppercase; white-space: nowrap; color: var(--muted); display: flex; gap: 56px; align-items: center; }
.marquee__track span::after { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--flare); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* =================================================================== SYSTEM (horizontal) */
.system { padding-top: clamp(96px, 12vw, 180px); }
.system__head { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-bottom: clamp(48px, 6vw, 90px); }
.system__head .lede { max-width: 38ch; }
.hscroll { position: relative; }
.hscroll__track { display: flex; gap: clamp(16px, 2vw, 28px); padding: 0 var(--gutter) clamp(96px, 10vw, 160px); width: max-content; }
.pcard { position: relative; width: clamp(300px, 36vw, 620px); aspect-ratio: 4 / 5; border-radius: var(--radius-l); overflow: hidden; background: var(--graphite); color: var(--bone); display: flex; flex-direction: column; justify-content: space-between; padding: clamp(22px, 2.4vw, 36px); isolation: isolate; }
.pcard__img { position: absolute; inset: 0; z-index: -2; }
.pcard__img img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.12); transition: transform 1.6s var(--ease-out); }
.pcard:hover .pcard__img img { transform: scale(1.04); }
.pcard::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(8, 8, 10, .6) 0%, rgba(8, 8, 10, .05) 30%, rgba(8, 8, 10, .45) 52%, rgba(8, 8, 10, .94) 76%, rgba(8, 8, 10, .97) 100%); }
.pcard__top { display: flex; justify-content: space-between; align-items: start; }
.pcard__idx { font: 400 11px var(--f-mono); letter-spacing: .12em; }
.pcard__name { font: 300 clamp(32px, 3.4vw, 58px)/1 var(--f-display); letter-spacing: -.04em; margin: 0 0 12px; }
.pcard__name small { display: block; font: 400 11px var(--f-mono); letter-spacing: .14em; color: var(--flare); margin-bottom: 14px; text-transform: uppercase; }
.pcard p { margin: 0; max-width: 34ch; font-size: 15px; color: rgba(238, 234, 227, .82); }
.pcard__specs { display: flex; gap: 22px; margin-top: 24px; padding-top: 18px; border-top: 1px solid rgba(238, 234, 227, .2); }
.pcard__specs div { font: 400 10px var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: rgba(238, 234, 227, .6); }
.pcard__specs b { display: block; white-space: nowrap; font: 300 clamp(18px, 1.6vw, 24px)/1 var(--f-display); letter-spacing: -.03em; text-transform: none; color: var(--bone); margin-bottom: 6px; }
.pcard__go { width: 46px; height: 46px; border-radius: 50%; border: 1px solid rgba(238, 234, 227, .35); display: grid; place-items: center; transition: background .4s, color .4s, transform .6s var(--ease-out); }
.pcard:hover .pcard__go { background: var(--flare); border-color: var(--flare); color: var(--void); transform: rotate(-45deg); }
.pcard--soft { background: var(--flare); color: var(--void); justify-content: space-between; }
.pcard--soft::after { display: none; }
.pcard--soft p { color: rgba(8, 8, 10, .75); }
.pcard--soft .pcard__name small { color: var(--void); }
.pcard--soft .pcard__go { border-color: rgba(8, 8, 10, .35); }
.pcard--soft:hover .pcard__go { background: var(--void); color: var(--flare); border-color: var(--void); }
.pcard--soft .pcard__mark { width: 58%; margin: auto; color: var(--void); }

/* =================================================================== CHAPTER INTRO (shared) */
.chapter { padding-top: clamp(120px, 14vw, 220px); }
.chapter__head { grid-column: 1 / span 8; }
.chapter__aside { grid-column: 9 / span 4; align-self: end; }
.chapter__aside .lede { margin-bottom: 26px; }
.tagline { display: inline-flex; align-items: center; gap: 14px; font: 400 11px var(--f-mono); letter-spacing: .12em; text-transform: uppercase; margin-bottom: 26px; }
.tagline b { font: 500 22px/1 var(--f-display); letter-spacing: -.02em; text-transform: none; color: var(--fg); }

/* media reveal */
.reveal-media { position: relative; overflow: hidden; border-radius: var(--radius-l); }
.reveal-media img { width: 100%; height: 100%; object-fit: cover; }
.reveal-media figcaption, .cap { font: 400 10px/1.6 var(--f-mono); letter-spacing: .05em; color: var(--muted); margin-top: 12px; }

/* =================================================================== FUSION */
.fusion__photo { grid-column: 1 / -1; margin-top: clamp(64px, 7vw, 110px); }
.fusion__photo .reveal-media { aspect-ratio: 21 / 9; }
.fusion__photo .reveal-media img { object-position: 50% 42%; }
.fusion__photo .plasma-tag { position: absolute; top: 24px; left: 24px; display: flex; gap: 10px; flex-wrap: wrap; }
.chip { display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 999px; font: 400 10px var(--f-mono); letter-spacing: .08em; text-transform: uppercase; background: rgba(8, 8, 10, .5); color: var(--bone); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border: 1px solid rgba(238, 234, 227, .14); }
.chip i { width: 6px; height: 6px; border-radius: 50%; background: var(--plasma); }

.reaction { grid-column: 1 / -1; margin-top: clamp(96px, 10vw, 160px); display: grid; grid-template-columns: 5fr 7fr; gap: var(--gutter); align-items: center; }
.reaction__viz { position: relative; aspect-ratio: 16 / 10; border-radius: var(--radius-l); background: radial-gradient(circle at 50% 50%, rgba(232, 107, 216, .12), transparent 60%), var(--carbon); border: 1px solid var(--line); overflow: hidden; }
.reaction__viz svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.reaction__eq { font: 300 clamp(22px, 2.2vw, 34px)/1.3 var(--f-display); letter-spacing: -.02em; margin: 26px 0 28px; }
.reaction__eq sup { font-size: .55em; }
.reaction__eq em { font-style: normal; color: var(--plasma); }
.split { display: grid; gap: 14px; margin-top: 18px; }
.split__row { display: grid; grid-template-columns: 110px 1fr 70px; gap: 14px; align-items: center; font: 400 11px var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.split__bar { height: 6px; border-radius: 3px; background: var(--line); overflow: hidden; }
.split__bar i { display: block; height: 100%; width: 0; border-radius: inherit; }
.split__row b { color: var(--fg); font-weight: 400; text-align: right; }

/* 3D tokamak scrolly */
.tok { position: relative; margin-top: clamp(96px, 10vw, 160px); }
html.js .tok { height: 520svh; }
.tok__stage { position: relative; height: 100svh; overflow: hidden; }
html.js .tok__stage { position: sticky; top: 0; }
.tok__canvas { position: absolute; inset: 0; }
.tok__stage::after { content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none; background: linear-gradient(90deg, rgba(8, 8, 10, .82) 0%, rgba(8, 8, 10, .35) 34%, transparent 55%), linear-gradient(0deg, rgba(8, 8, 10, .6), transparent 18%); }
.tok__canvas canvas { width: 100% !important; height: 100% !important; }
.tok__poster { position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); font: 400 11px var(--f-mono); letter-spacing: .1em; background: radial-gradient(ellipse at 62% 50%, rgba(232, 107, 216, .18), transparent 55%); }
.tok__steps { position: absolute; left: var(--gutter); top: 50%; transform: translateY(-50%); width: min(400px, 36vw); z-index: 2; }
.tok__step { position: absolute; left: 0; top: 50%; transform: translateY(-50%); opacity: 0; pointer-events: none; }
.tok__step.is-on { pointer-events: auto; }
html:not(.js) .tok__steps, .tok.is-static .tok__steps { position: relative; top: auto; transform: none; width: auto; display: grid; gap: 40px; padding: 40px var(--gutter); }
html:not(.js) .tok__step, .tok.is-static .tok__step { position: relative; opacity: 1; transform: none; }
.tok__step .mono { color: var(--plasma); display: block; margin-bottom: 18px; }
.tok__step h3 { font: 200 clamp(32px, 3.2vw, 54px)/1.02 var(--f-display); letter-spacing: -.04em; margin: 0 0 18px; }
.tok__step p { margin: 0; color: var(--muted); font-size: 16px; }
.tok__step dl { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 24px; margin: 26px 0 0; padding-top: 20px; border-top: 1px solid var(--line); }
.tok__step dt { font: 400 10px var(--f-mono); letter-spacing: .08em; color: var(--muted); text-transform: uppercase; }
.tok__step dd { margin: 6px 0 0; font: 300 26px/1 var(--f-display); letter-spacing: -.03em; }
.tok__step dd small { font: 400 11px var(--f-mono); color: var(--muted); margin-left: 4px; letter-spacing: 0; }
.tok__dots { position: absolute; left: var(--gutter); bottom: 36px; display: flex; gap: 8px; z-index: 2; }
.tok__dots i { width: 22px; height: 2px; background: var(--line); transition: background .4s, width .4s var(--ease-out); }
.tok__dots i.is-on { background: var(--plasma); width: 44px; }
.tok__labels { position: absolute; inset: 0; pointer-events: none; z-index: 2; }
.tok__label { position: absolute; left: 0; top: 0; display: flex; align-items: center; gap: 10px; font: 400 10px var(--f-mono); letter-spacing: .08em; text-transform: uppercase; white-space: nowrap; color: var(--bone); opacity: 0; transition: opacity .5s; }
.tok__label::before { content: ''; width: 7px; height: 7px; border-radius: 50%; border: 1px solid currentColor; background: var(--void); flex: none; }
.tok__label.is-on { opacity: 1; }
.tok__hint { position: absolute; right: var(--gutter); bottom: 36px; font: 400 10px var(--f-mono); letter-spacing: .1em; color: var(--muted); text-transform: uppercase; z-index: 2; }

/* scale comparison */
.scale { grid-column: 1 / -1; margin-top: clamp(96px, 10vw, 160px); display: grid; grid-template-columns: 4fr 8fr; gap: var(--gutter); align-items: end; }
.scale__viz { border: 1px solid var(--line); border-radius: var(--radius-l); padding: clamp(20px, 3vw, 44px); background: var(--card); }
.scale__viz svg { width: 100%; height: auto; overflow: visible; }
.scale__viz text { font: 400 13px var(--f-mono); letter-spacing: .05em; fill: var(--muted); }
.formula { font: 300 clamp(20px, 1.8vw, 28px)/1.3 var(--f-display); letter-spacing: -.02em; padding: 20px 0; border-block: 1px solid var(--line); margin: 28px 0; }
.formula i { font-style: italic; }
.formula sup { font-size: .6em; }

/* spec accordion */
.specs { grid-column: 1 / -1; margin-top: clamp(96px, 10vw, 160px); }
.specs__head { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 28px; flex-wrap: wrap; }
.acc { border-top: 1px solid var(--line); }
.acc__item { border-bottom: 1px solid var(--line); }
.acc__btn { width: 100%; display: grid; grid-template-columns: 70px 1fr auto 40px; align-items: center; gap: 16px; padding: 26px 0; text-align: left; }
.acc__btn .i { font: 400 11px var(--f-mono); color: var(--muted); letter-spacing: .08em; }
.acc__btn .t { font: 300 clamp(22px, 2vw, 32px)/1.1 var(--f-display); letter-spacing: -.03em; }
.acc__btn .v { font: 400 12px var(--f-mono); color: var(--muted); letter-spacing: .04em; }
.acc__btn .p { width: 28px; height: 28px; position: relative; justify-self: end; }
.acc__btn .p::before, .acc__btn .p::after { content: ''; position: absolute; left: 50%; top: 50%; width: 14px; height: 1.5px; background: currentColor; transform: translate(-50%, -50%); transition: transform .5s var(--ease-out); }
.acc__btn .p::after { transform: translate(-50%, -50%) rotate(90deg); }
.acc__btn[aria-expanded="true"] .p::after { transform: translate(-50%, -50%) rotate(0); }
.acc__panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .6s var(--ease-out); }
.acc__panel > div { overflow: hidden; }
.acc__btn[aria-expanded="true"] + .acc__panel { grid-template-rows: 1fr; }
.acc__grid { display: grid; grid-template-columns: 70px repeat(4, 1fr); gap: 16px; padding: 0 0 32px; }
.acc__grid > div:first-child { grid-column: 2 / span 4; }
.acc__cell { grid-column: auto; margin: 0; }
.acc__grid > dl:nth-child(2) { grid-column-start: 2; }
.acc__cell dt { font: 400 10px var(--f-mono); letter-spacing: .08em; color: var(--muted); text-transform: uppercase; }
.acc__cell dd { margin: 8px 0 0; font: 300 28px/1 var(--f-display); letter-spacing: -.03em; }
.acc__cell dd small { font: 400 11px var(--f-mono); color: var(--muted); letter-spacing: 0; margin-left: 4px; }
.acc__note { grid-column: 2 / -1; font-size: 14px; color: var(--muted); max-width: 70ch; margin: 0; }

/* =================================================================== SOLAR */
.solar__photo { grid-column: 1 / span 7; margin-top: clamp(64px, 7vw, 110px); }
.solar__photo .reveal-media { aspect-ratio: 4 / 3; }
.solar__cell { grid-column: 8 / span 5; margin-top: clamp(64px, 7vw, 110px); display: flex; flex-direction: column; justify-content: space-between; gap: 24px; }
.solar__cell .reveal-media { aspect-ratio: 1 / 1; }
.spectrum { grid-column: 1 / -1; margin-top: clamp(96px, 10vw, 160px); display: grid; grid-template-columns: 4fr 8fr; gap: var(--gutter); align-items: center; }
.spectrum__viz { position: relative; }
.spectrum__viz svg { width: 100%; height: auto; overflow: visible; }
.spectrum__viz text { font: 400 12.5px var(--f-mono); fill: var(--muted); letter-spacing: .04em; }
.legend { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 18px; font: 400 10px var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: 8px; }
.legend i { width: 18px; height: 8px; border-radius: 2px; }
.eff { display: grid; gap: 14px; margin-top: 30px; }
.eff__row { display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; align-items: end; }
.eff__row span { font-size: 14px; color: var(--muted); }
.eff__row b { font: 300 26px/1 var(--f-display); letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.eff__bar { grid-column: 1 / -1; height: 4px; background: var(--line); border-radius: 2px; overflow: hidden; }
.eff__bar i { display: block; height: 100%; width: 0; background: var(--fg); border-radius: inherit; }
.eff__row.hot .eff__bar i { background: var(--flare); }

.stack { grid-column: 1 / -1; margin-top: clamp(96px, 10vw, 160px); display: grid; grid-template-columns: 7fr 5fr; gap: var(--gutter); align-items: center; }
.stack__viz { position: relative; height: clamp(420px, 44vw, 640px); perspective: 1600px; }
.stack__scene { position: absolute; left: 50%; top: 54%; width: min(64%, 400px); aspect-ratio: 1; transform-style: preserve-3d; transform: translate(-50%, -50%) rotateX(58deg) rotateZ(-38deg); }
.layer { position: absolute; inset: 0; transform-style: preserve-3d; border-radius: 6px; transition: box-shadow .4s; }
.layer__lbl { display: none; position: absolute; left: 100%; top: 0; margin-left: 30px; white-space: nowrap; transform: rotateZ(38deg) rotateX(-58deg); transform-origin: 0 0; font: 400 10px var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--fg); gap: 8px; align-items: center; }
.layer__lbl::before { content: ''; width: 24px; height: 1px; background: var(--fg); opacity: .4; }
.layer__lbl em { font-style: normal; color: var(--muted); }
.stack__list { list-style: none; padding: 0; margin: 28px 0 0; counter-reset: s; border-top: 1px solid var(--line); }
.stack__list li { cursor: default; display: grid; grid-template-columns: 34px 1fr auto; gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 15px; transition: color .3s; }
.stack__list li::before { counter-increment: s; content: counter(s, decimal-leading-zero); font: 400 10px var(--f-mono); color: var(--muted); padding-top: 4px; }
.stack__list li span { font: 400 10px var(--f-mono); color: var(--muted); letter-spacing: .04em; padding-top: 4px; }
.stack__list li.is-on { color: var(--accent-ink); }

/* =================================================================== STORAGE */
.sim { grid-column: 1 / -1; margin-top: clamp(64px, 7vw, 110px); border: 1px solid var(--line); border-radius: var(--radius-l); background: var(--card); padding: clamp(18px, 2.4vw, 36px); }
.sim__top { display: flex; justify-content: space-between; gap: 24px; align-items: center; flex-wrap: wrap; margin-bottom: 26px; }
.seg { display: inline-flex; padding: 4px; border-radius: 999px; background: rgba(128, 128, 128, .14); position: relative; }
.seg button { position: relative; z-index: 1; padding: 10px 18px; border-radius: 999px; font: 450 14px var(--f-text); color: var(--muted); transition: color .3s; min-height: 40px; }
.seg button[aria-pressed="true"] { color: var(--void); }
.seg__pill { position: absolute; top: 4px; bottom: 4px; left: 4px; border-radius: 999px; background: var(--flare); transition: transform .5s var(--ease-out), width .5s var(--ease-out); }
.sim__kpis { display: flex; gap: clamp(20px, 3vw, 48px); }
.sim__kpis div { font: 400 10px var(--f-mono); letter-spacing: .08em; color: var(--muted); text-transform: uppercase; }
.sim__kpis b { display: block; font: 200 clamp(30px, 3vw, 46px)/1 var(--f-display); letter-spacing: -.04em; color: var(--fg); margin-top: 8px; text-transform: none; font-variant-numeric: tabular-nums; }
.sim__chart { position: relative; }
.sim__chart svg { width: 100%; height: auto; overflow: visible; }
.sim__chart text { font: 400 15px var(--f-mono); fill: var(--muted); letter-spacing: .04em; }
.sim__tip { position: absolute; pointer-events: none; padding: 10px 12px; border-radius: 10px; background: var(--void); color: var(--bone); font: 400 11px/1.6 var(--f-mono); border: 1px solid rgba(238, 234, 227, .14); opacity: 0; transition: opacity .2s; white-space: nowrap; z-index: 3; }
.products { grid-column: 1 / -1; margin-top: clamp(64px, 7vw, 110px); display: grid; grid-template-columns: 1fr 1fr; gap: var(--gutter); }
.product { border-radius: var(--radius-l); overflow: hidden; border: 1px solid var(--line); background: var(--card); display: grid; grid-template-rows: auto 1fr; }
.product__img { aspect-ratio: 16 / 9; overflow: hidden; }
.product__img img { width: 100%; height: 100%; object-fit: cover; }
.product__body { padding: clamp(22px, 2.4vw, 36px); display: flex; flex-direction: column; gap: 20px; }
.product__body h3 { font: 300 clamp(28px, 2.6vw, 42px)/1 var(--f-display); letter-spacing: -.04em; margin: 0; }
.product__body h3 small { display: block; font: 400 11px var(--f-mono); letter-spacing: .12em; color: var(--flare); margin-bottom: 12px; }
.product__body p { margin: 0; color: var(--muted); }
.kv { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; border-top: 1px solid var(--line); padding-top: 18px; margin-top: auto; }
.kv div { font: 400 10px var(--f-mono); letter-spacing: .06em; color: var(--muted); text-transform: uppercase; }
.kv b { display: block; margin-top: 8px; font: 300 24px/1 var(--f-display); letter-spacing: -.03em; color: var(--fg); text-transform: none; }
.table-wrap { grid-column: 1 / -1; margin-top: clamp(64px, 7vw, 110px); overflow-x: auto; }
table.chem { width: 100%; border-collapse: collapse; min-width: 720px; }
.chem caption { text-align: left; margin-bottom: 20px; }
.chem th, .chem td { text-align: left; padding: 18px 16px 18px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.chem thead th { font: 400 10px var(--f-mono); letter-spacing: .08em; color: var(--muted); text-transform: uppercase; font-weight: 400; }
.chem tbody th { font: 300 22px/1.1 var(--f-display); letter-spacing: -.03em; font-weight: 300; }
.chem tbody th small { display: block; font: 400 10px var(--f-mono); color: var(--muted); letter-spacing: .06em; margin-top: 6px; text-transform: uppercase; }
.chem td { font-size: 15px; }
.chem tr.ours th { color: var(--flare); }
.pip { display: inline-flex; gap: 3px; vertical-align: middle; margin-left: 8px; }
.pip i { width: 5px; height: 12px; border-radius: 1px; background: var(--line); }
.pip i.on { background: var(--fg); }

/* =================================================================== GRID */
.grid-hero { position: relative; min-height: 110svh; display: flex; align-items: flex-end; overflow: hidden; }
.grid-hero__img { position: absolute; inset: -10% 0; }
.grid-hero__img img { width: 100%; height: 100%; object-fit: cover; }
.grid-hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, var(--void) 0%, rgba(8, 8, 10, .1) 30%, rgba(8, 8, 10, .25) 60%, var(--void) 100%); }
.grid-hero .wrap { position: relative; z-index: 1; padding-bottom: clamp(80px, 10vw, 140px); }
.dlr { grid-column: 1 / -1; margin-top: clamp(64px, 7vw, 110px); display: grid; grid-template-columns: 8fr 4fr; gap: var(--gutter); }
.dlr__viz { border: 1px solid var(--line); border-radius: var(--radius-l); background: var(--card); padding: clamp(18px, 2.4vw, 32px); position: relative; }
.dlr__viz svg { width: 100%; height: auto; overflow: visible; }
.dlr__viz text { font: 400 13px var(--f-mono); fill: var(--muted); letter-spacing: .04em; }
.dlr__side { display: flex; flex-direction: column; gap: 22px; justify-content: space-between; }
.dlr__big { border-top: 1px solid var(--line); padding-top: 22px; }
.dlr__big .num { font-size: clamp(64px, 6vw, 110px); color: var(--sky); }
.dlr__big p { margin: 12px 0 0; color: var(--muted); font-size: 14px; }
.sensor { grid-column: 1 / -1; margin-top: clamp(96px, 10vw, 160px); display: grid; grid-template-columns: 7fr 5fr; gap: var(--gutter); align-items: center; }
.sensor__viz { position: relative; aspect-ratio: 16 / 11; border-radius: var(--radius-l); background: radial-gradient(ellipse at 60% 40%, rgba(156, 199, 255, .1), transparent 60%), var(--carbon); border: 1px solid var(--line); overflow: hidden; }
.sensor__viz svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.sensor__viz text { font: 400 10px var(--f-mono); letter-spacing: .06em; fill: var(--bone); }
.feats { list-style: none; margin: 30px 0 0; padding: 0; display: grid; gap: 0; border-top: 1px solid var(--line); }
.feats li { padding: 18px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 28px 1fr; gap: 14px; }
.feats svg { width: 20px; height: 20px; color: var(--sky); margin-top: 2px; }
.feats b { display: block; font-weight: 500; margin-bottom: 4px; }
.feats span { color: var(--muted); font-size: 15px; }
.netmap { grid-column: 1 / -1; margin-top: clamp(96px, 10vw, 160px); position: relative; border-radius: var(--radius-l); overflow: hidden; border: 1px solid var(--line); aspect-ratio: 21 / 9; background: var(--carbon); }
.netmap canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.netmap__legend { position: absolute; left: 24px; bottom: 22px; display: flex; gap: 18px; flex-wrap: wrap; font: 400 10px var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.netmap__legend span { display: inline-flex; gap: 8px; align-items: center; }
.netmap__legend i { width: 14px; height: 2px; }
.netmap__kpi { position: absolute; right: 24px; top: 22px; text-align: right; }
.netmap__kpi .num { font-size: clamp(36px, 3.4vw, 56px); }
.netmap__kpi .mono { color: var(--muted); display: block; margin-top: 6px; }

/* =================================================================== HELIOSTAT */
.hs__frame { grid-column: 1 / -1; margin-top: clamp(64px, 7vw, 110px); position: relative; border-radius: 22px; overflow: hidden; background: var(--void); box-shadow: 0 60px 120px -40px rgba(8, 8, 10, .5), 0 0 0 1px rgba(8, 8, 10, .12); }
.hs__bar { height: 40px; display: flex; align-items: center; gap: 8px; padding: 0 16px; background: #121216; border-bottom: 1px solid rgba(238, 234, 227, .08); }
.hs__bar i { width: 10px; height: 10px; border-radius: 50%; background: rgba(238, 234, 227, .18); }
.hs__bar span { margin: 0 auto; font: 400 10px var(--f-mono); color: rgba(238, 234, 227, .5); letter-spacing: .06em; padding: 5px 14px; border-radius: 999px; background: rgba(238, 234, 227, .06); }
.hs__view { position: relative; aspect-ratio: 16 / 9; overflow: hidden; }
.hs__view iframe { position: absolute; left: 0; top: 0; width: 1600px; height: 900px; border: 0; transform-origin: 0 0; pointer-events: none; }
.hs__view .hs__cover { position: absolute; inset: 0; display: grid; place-items: center; background: linear-gradient(180deg, transparent 40%, rgba(8, 8, 10, .5)); opacity: 0; transition: opacity .4s; }
.hs__frame:hover .hs__cover, .hs__frame:focus-within .hs__cover { opacity: 1; }
.hs__feats { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gutter); margin-top: 48px; }
.hs__feats div { border-top: 1px solid var(--line); padding-top: 20px; }
.hs__feats b { display: block; font: 300 22px/1.1 var(--f-display); letter-spacing: -.02em; margin-bottom: 10px; }
.hs__feats p { margin: 0; color: var(--muted); font-size: 15px; }

/* =================================================================== ROADMAP */
.approach { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gutter); margin-top: clamp(64px, 7vw, 110px); }
.approach article { border-top: 1px solid var(--fg); padding-top: 24px; }
.approach .i { font: 400 11px var(--f-mono); letter-spacing: .1em; color: var(--accent-ink); }
.approach h3 { font: 200 clamp(40px, 4.4vw, 76px)/1 var(--f-display); letter-spacing: -.05em; margin: 22px 0 18px; }
.approach p { margin: 0; color: var(--muted); max-width: 36ch; }
.timeline { grid-column: 1 / -1; margin-top: clamp(96px, 10vw, 160px); position: relative; }
.timeline ol { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; position: relative; }
.timeline ol::before { content: ''; position: absolute; left: 0; right: 0; top: 7px; height: 1px; background: var(--line); }
.timeline__fill { position: absolute; left: 0; top: 7px; height: 1px; width: 100%; background: var(--flare); transform-origin: 0 50%; transform: scaleX(0); }
.timeline li { position: relative; padding: 36px 20px 0 0; }
.timeline li::before { content: ''; position: absolute; left: 0; top: 0; width: 15px; height: 15px; border-radius: 50%; background: var(--bg, var(--bone)); border: 1px solid var(--fg); }
.timeline li.done::before { background: var(--flare); border-color: var(--flare); }
.timeline li.now::before { background: var(--flare); border-color: var(--flare); box-shadow: 0 0 0 6px rgba(255, 90, 31, .2); }
.timeline .y { font: 200 44px/1 var(--f-display); letter-spacing: -.04em; display: block; margin-bottom: 16px; }
.timeline .s { font: 400 10px var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--accent-ink); display: block; margin-bottom: 8px; }
.timeline p { margin: 0; font-size: 14px; color: var(--muted); }

/* =================================================================== NEWS */
.news__grid { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gutter); margin-top: 56px; }
.post { display: flex; flex-direction: column; gap: 16px; }
.post__img { aspect-ratio: 4 / 3; border-radius: var(--radius-m); overflow: hidden; background: var(--graphite); }
.post__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease-out); }
.post:hover .post__img img { transform: scale(1.06); }
.post__meta { display: flex; gap: 12px; font: 400 10px var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.post__meta b { color: var(--accent-ink); font-weight: 400; }
.post h3 { font: 300 21px/1.25 var(--f-display); letter-spacing: -.02em; margin: 0; }

/* =================================================================== CONTACT */
.contact { padding: clamp(110px, 13vw, 200px) 0; }
.contact__head { grid-column: 1 / span 6; }
.contact__head .h1 { font-size: clamp(56px, 8vw, 150px); }
.contact__form { grid-column: 8 / span 5; display: grid; gap: 22px; align-content: start; }
.field { display: grid; gap: 8px; }
.field label, .field legend { font: 400 10px var(--f-mono); letter-spacing: .1em; text-transform: uppercase; }
.field input, .field textarea, .field select { width: 100%; font: 400 18px var(--f-text); color: var(--void); background: transparent; border: 0; border-bottom: 1px solid rgba(8, 8, 10, .35); padding: 10px 0 12px; border-radius: 0; min-height: 48px; transition: border-color .3s; }
.field textarea { resize: vertical; min-height: 96px; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--void); box-shadow: 0 1px 0 0 var(--void); }
.field input::placeholder, .field textarea::placeholder { color: rgba(8, 8, 10, .45); }
.field .err { font-size: 13px; color: #6b0f00; min-height: 0; font-weight: 500; }
.field.invalid input, .field.invalid textarea { border-color: #6b0f00; }
fieldset.field { border: 0; padding: 0; margin: 0; }
.opts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.opts label { position: relative; font: 450 14px var(--f-text); letter-spacing: 0; text-transform: none; }
.opts input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.opts span { display: inline-flex; align-items: center; min-height: 40px; padding: 0 16px; border-radius: 999px; border: 1px solid rgba(8, 8, 10, .3); cursor: pointer; transition: background .3s, color .3s; }
.opts input:checked + span { background: var(--void); color: var(--bone); border-color: var(--void); }
.opts input:focus-visible + span { outline: 2px solid var(--void); outline-offset: 2px; }
.form__foot { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; margin-top: 8px; }
.form__foot small { font-size: 13px; color: rgba(8, 8, 10, .7); max-width: 32ch; }
.form__ok { display: none; font: 300 28px/1.2 var(--f-display); letter-spacing: -.02em; }
.contact__form.is-sent .form__ok { display: block; }
.contact__form.is-sent > :not(.form__ok) { display: none; }

/* =================================================================== FOOTER */
.foot { padding: clamp(80px, 9vw, 140px) 0 32px; background: var(--void); color: var(--bone); position: relative; overflow: hidden; }
.foot__top { display: grid; grid-template-columns: 5fr repeat(4, 2fr); gap: var(--gutter); }
.foot__news p { margin: 0 0 20px; color: rgba(238, 234, 227, .7); max-width: 34ch; }
.foot__news form { display: flex; border-bottom: 1px solid rgba(238, 234, 227, .3); max-width: 420px; }
.foot__news input { flex: 1; background: none; border: 0; color: var(--bone); font: 400 16px var(--f-text); padding: 14px 0; min-height: 48px; }
.foot__news input:focus { outline: none; }
.foot__news button { font: 400 11px var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--flare); padding: 0 4px; min-height: 48px; }
.foot h4 { font: 400 10px var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: rgba(238, 234, 227, .5); margin: 0 0 20px; font-weight: 400; }
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.foot ul a { font-size: 15px; opacity: .85; transition: opacity .2s, color .2s; }
.foot ul a:hover { opacity: 1; color: var(--flare); }
.foot__word { margin: clamp(80px, 10vw, 160px) 0 28px; color: var(--bone); }
.foot__word svg { width: 100%; height: auto; }
.foot__bottom { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; font: 400 10px/1.7 var(--f-mono); letter-spacing: .06em; color: rgba(238, 234, 227, .5); border-top: 1px solid rgba(238, 234, 227, .12); padding-top: 22px; }
.foot__bottom a { text-decoration: underline; text-underline-offset: 3px; }
.credits { max-width: 980px; }

/* sun-today modal */
.modal { position: fixed; inset: 0; z-index: var(--z-overlay); display: grid; place-items: center; padding: 24px; background: rgba(8, 8, 10, .8); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); opacity: 0; visibility: hidden; transition: opacity .5s, visibility .5s; }
.modal.is-open { opacity: 1; visibility: visible; }
.modal__card { width: min(920px, 100%); max-height: calc(100svh - 48px); overflow: auto; background: var(--carbon); color: var(--bone); border: 1px solid rgba(238, 234, 227, .12); border-radius: var(--radius-l); display: grid; grid-template-columns: 1fr 1fr; transform: translateY(20px) scale(.98); transition: transform .6s var(--ease-out); }
.modal.is-open .modal__card { transform: none; }
.modal__img { background: #000; display: grid; place-items: center; aspect-ratio: 1; position: relative; }
.modal__img img { width: 100%; height: 100%; object-fit: contain; }
.modal__body { padding: 36px; display: flex; flex-direction: column; gap: 18px; }
.modal__close { position: absolute; right: 16px; top: 16px; width: 44px; height: 44px; border-radius: 50%; background: rgba(8, 8, 10, .6); display: grid; place-items: center; color: var(--bone); border: 1px solid rgba(238, 234, 227, .2); }
.waves { display: flex; flex-wrap: wrap; gap: 6px; }
.waves button { padding: 8px 12px; border-radius: 999px; border: 1px solid rgba(238, 234, 227, .2); font: 400 10px var(--f-mono); letter-spacing: .06em; min-height: 36px; }
.waves button[aria-pressed="true"] { background: var(--flare); color: var(--void); border-color: var(--flare); }

/* =================================================================== RESPONSIVE */
@media (max-width: 1100px) {
  .nav__links { display: none; }
  .nav__menu { display: grid; }
  .nav__cta .btn--ghost { display: none; }
  .rail { display: none; }
  .chapter__head, .demand__head { grid-column: 1 / -1; }
  .chapter__aside, .demand__side { grid-column: 1 / -1; margin-top: 36px; }
  .reaction, .scale, .spectrum, .stack, .sensor, .dlr { grid-template-columns: 1fr; }
  .manifesto__facts { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .news__grid, .hs__feats { grid-template-columns: repeat(2, 1fr); row-gap: 48px; }
  .foot__top { grid-template-columns: repeat(2, 1fr); row-gap: 48px; }
  .foot__news { grid-column: 1 / -1; }
  .contact__head, .contact__form { grid-column: 1 / -1; }
  .contact__form { margin-top: 48px; }
  .timeline ol { grid-template-columns: repeat(3, 1fr); row-gap: 48px; }
  .timeline ol::before, .timeline__fill { display: none; }
  .tok__steps { width: min(420px, 60vw); }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .hero__caption { top: 80px; }
  .hero__caption > .mono:last-child { display: none; }
  .nav { height: 64px; }
  .nav__brand .w { display: none; }
  .nav__cta .btn--flare { display: none; }
  .hero__title .t1 { top: 16svh; }
  .hero__title .t2 { bottom: 35svh; }
  .hero__meta { grid-template-columns: 1fr; bottom: 24px; }
  .hero__scroll { display: none; }
  .sun { --d: 88vw; }
  .hero__name { grid-template-columns: 1fr; align-content: space-between; padding-top: 13svh; padding-bottom: 7svh; }
  .hero__name dt { font-size: 40px; margin-bottom: 8px; }
  .hero__name dd { font-size: 14px; }
  .hero__name > div:last-child { justify-self: start; text-align: left; }
  .hero__word { width: 70vw; bottom: 33svh; }
  .manifesto__text { grid-column: 1 / -1; }
  .demand__stats, .approach, .products, .news__grid, .hs__feats { grid-template-columns: 1fr; }
  .solar__photo, .solar__cell { grid-column: 1 / -1; }
  .fusion__photo .reveal-media { aspect-ratio: 4 / 5; }
  .pcard { width: 82vw; }
  .system__head { flex-direction: column; align-items: start; }
  .acc__btn { grid-template-columns: 40px 1fr 32px; }
  .acc__btn .v { display: none; }
  .acc__grid { grid-template-columns: 1fr 1fr; }
  .acc__grid > div:first-child, .acc__note { grid-column: 1 / -1; }
  .acc__grid > dl:nth-child(2) { grid-column-start: 1; }
  .timeline ol { grid-template-columns: 1fr 1fr; }
  .tok__steps { left: 16px; right: 16px; width: auto; top: auto; bottom: 90px; transform: none; }
  .tok__step { top: auto; bottom: 0; transform: none; background: rgba(8, 8, 10, .72); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); padding: 20px; border-radius: 18px; border: 1px solid var(--line); }
  .tok__step h3 { font-size: 26px; margin-bottom: 10px; }
  .tok__step p { font-size: 14px; }
  .tok__hint { display: none; }
  .tok__dots { bottom: 60px; left: 16px; }
  .tok__step dl { display: none; }
  .netmap { aspect-ratio: 4 / 5; }
  .modal__card { grid-template-columns: 1fr; }
  .foot__top { grid-template-columns: 1fr 1fr; }
  .grid-hero { min-height: 90svh; }
  .kv { grid-template-columns: 1fr 1fr 1fr; }
  /* dense charts keep their proportions and scroll sideways instead of shrinking to illegibility */
  .sim__chart, .dlr__viz > div[data-chart], .demand__chart { overflow-x: auto; overscroll-behavior-x: contain; -webkit-overflow-scrolling: touch; }
  .sim__chart svg { min-width: 820px; }
  .dlr__viz > div[data-chart] svg { min-width: 640px; }
  .demand__chart svg { min-width: 680px; }
  .sim__kpis b { font-size: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .manifesto__text .w { opacity: 1 !important; }
  .grain { display: none; }
}