/* ==========================================================================
   CARBONJOUR / 海浦麒碳科技 — Design System
   Concept: "Depth" — 深海测量 + 科学仪表的视觉语言
   ========================================================================== */

/* ---------- Fonts (self-hosted latin subsets) ---------- */
@font-face{
  font-family:"Plex Mono";
  src:url("../fonts/plexmono-400-latin.woff2") format("woff2");
  font-weight:400;font-style:normal;font-display:swap;
}
@font-face{
  font-family:"Plex Mono";
  src:url("../fonts/plexmono-500-latin.woff2") format("woff2");
  font-weight:500;font-style:normal;font-display:swap;
}

/* ---------- Tokens ---------- */
:root{
  /* depth palette */
  --abyss:#03101A;
  --abyss-2:#061B26;
  --deep:#092734;
  --deep-2:#0D3543;
  --line-dark:rgba(226,240,236,.14);
  --line-dark-strong:rgba(226,240,236,.26);
  --deep-text:#E9F1EC;
  --deep-text-dim:rgba(233,241,236,.62);
  --deep-text-faint:rgba(233,241,236,.42);

  /* paper palette */
  --paper:#F2F4EE;
  --paper-2:#E7EAE2;
  --paper-3:#DDE2D8;
  --ink:#0C1A1E;
  --ink-2:#22343A;
  --muted:#586B70;
  --line:rgba(12,26,30,.14);
  --line-soft:rgba(12,26,30,.08);

  /* single accent: 海青 (sea-glass). one family, two tints */
  --accent:#63D9C0;
  --accent-deep:#0B6A5D;
  --accent-ink:#062E2A;

  /* type */
  --font-cn:"MiSans","PingFang SC","Noto Sans SC","Hiragino Sans GB",sans-serif;
  --font-sans:var(--font-cn),"Helvetica Neue",Arial,sans-serif;
  --font-serif:"New York",Georgia,"Times New Roman",serif;
  --font-mono:"Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  /* metrics */
  --nav-h:72px;
  --pad:clamp(20px,4.2vw,56px);
  --maxw:1400px;
  --sect:clamp(64px,7vw,116px);
  --radius:2px; /* one shape system: squared, instrument-like */
  --ease:cubic-bezier(.22,.61,.24,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--font-sans);font-size:16px;line-height:1.78;
  font-weight:400;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img,video,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
::selection{background:var(--accent);color:var(--accent-ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* ---------- Typography primitives ---------- */
.display{
  font-family:var(--font-cn);
  font-weight:600;
  font-size:clamp(2.1rem,4.6vw,4.05rem);
  line-height:1.14;
  letter-spacing:-.022em;
}
.display--xl{
  text-wrap:balance;
  font-family:var(--font-cn);
  font-weight:600;
  font-size:clamp(2.2rem,4.4vw,4.15rem);
  line-height:1.14;
  letter-spacing:-.028em;
}
.h2{
  text-wrap:balance;
  font-weight:600;
  font-size:clamp(1.6rem,2.7vw,2.5rem);
  line-height:1.24;letter-spacing:-.018em;
}
.h3{
  font-weight:600;
  font-size:clamp(1.1rem,1.35vw,1.32rem);
  line-height:1.45;letter-spacing:-.008em;
}
.lead{
  font-size:clamp(1.02rem,1.18vw,1.18rem);
  line-height:1.8;color:var(--ink-2);font-weight:400;
}
.body{font-size:1rem;line-height:1.85;color:var(--ink-2)}
.body p+p{margin-top:1.1em}
.small{font-size:.875rem;line-height:1.75;color:var(--muted)}
.mono{
  font-family:var(--font-mono);font-size:.72rem;font-weight:400;
  letter-spacing:.16em;text-transform:uppercase;
}
.en-serif{font-family:var(--font-serif);font-weight:400;letter-spacing:-.01em;line-height:1.16}
.accent{color:var(--accent-deep)}
.dim{color:var(--muted)}

/* dark-section text colors */
.on-dark{color:var(--deep-text)}
.on-dark .lead,.on-dark .body{color:var(--deep-text-dim)}
.on-dark .small,.on-dark .dim{color:var(--deep-text-faint)}
.on-dark .accent{color:var(--accent)}
.on-dark .mono{color:var(--accent)}

/* ---------- Layout ---------- */
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad)}
.wrap--narrow{max-width:980px}
.section{padding-block:var(--sect)}
.section--tight{padding-block:clamp(48px,6vw,88px)}
.section--paper{background:var(--paper)}
.section--paper2{background:var(--paper-2)}
.section--dark{background:var(--abyss);color:var(--deep-text)}
.section--deep{background:var(--abyss-2);color:var(--deep-text)}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(16px,2vw,28px)}
.rule{height:1px;background:var(--line);border:0;margin:0}
.dark .rule,.section--dark .rule{background:var(--line-dark)}

/* section header */
.s-head{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);
  gap:clamp(20px,4vw,64px);align-items:end;
  padding-bottom:clamp(28px,3.6vw,52px);
  border-bottom:1px solid var(--line);
  margin-bottom:clamp(36px,4.6vw,68px);
}
.section--dark .s-head,.section--deep .s-head{border-color:var(--line-dark)}
.s-head__label{display:flex;flex-direction:column;gap:14px}
.s-head__en{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--accent-deep);
}
.section--dark .s-head__en,.section--deep .s-head__en{color:var(--accent)}
.s-head__title{max-width:22ch}
.s-head__aside{justify-self:end;max-width:44ch}
.s-head__aside p{color:var(--muted);font-size:.95rem;line-height:1.85}
.section--dark .s-head__aside p,.section--deep .s-head__aside p{color:var(--deep-text-dim)}

/* ---------- Buttons & links ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.7em;
  padding:.95em 1.5em;border:1px solid transparent;border-radius:var(--radius);
  font-size:.9rem;font-weight:500;letter-spacing:.02em;line-height:1;
  transition:background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease),transform .2s var(--ease);
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--ink);color:var(--paper)}
.btn--primary:hover{background:var(--accent-deep)}
.btn--accent{background:var(--accent);color:var(--accent-ink)}
.btn--accent:hover{background:#8CEBD8}
.btn--ghost{border-color:var(--line-dark-strong);color:var(--deep-text)}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn--outline{border-color:var(--ink);color:var(--ink)}
.btn--outline:hover{background:var(--ink);color:var(--paper)}
.btn .arw{transition:transform .3s var(--ease)}
.btn:hover .arw{transform:translate(3px,-3px)}

.link-arrow{
  display:inline-flex;align-items:center;gap:.55em;
  font-size:.9rem;font-weight:500;letter-spacing:.02em;
  padding-bottom:.25em;border-bottom:1px solid var(--line);
  transition:border-color .3s var(--ease),color .3s var(--ease)}
.link-arrow .arw{transition:transform .3s var(--ease)}
.link-arrow:hover{border-color:var(--accent-deep);color:var(--accent-deep)}
.link-arrow:hover .arw{transform:translate(3px,-3px)}
.section--dark .link-arrow,.section--deep .link-arrow{border-color:var(--line-dark-strong);color:var(--deep-text)}
.section--dark .link-arrow:hover,.section--deep .link-arrow:hover{border-color:var(--accent);color:var(--accent)}

/* ---------- Header ---------- */
.header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  height:var(--nav-h);
  display:flex;align-items:center;
  color:var(--deep-text);
  transition:background .4s var(--ease),border-color .4s var(--ease),height .3s var(--ease);
  border-bottom:1px solid transparent;
}
.header__inner{
  width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.header.is-solid{
  background:rgba(3,16,26,.86);
  -webkit-backdrop-filter:blur(18px) saturate(140%);backdrop-filter:blur(18px) saturate(140%);
  border-bottom-color:var(--line-dark);
}
.header--paper{color:var(--ink)}
.header--paper.is-solid{background:rgba(242,244,238,.9);border-bottom-color:var(--line)}

.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo__mark{width:30px;height:30px;flex-shrink:0}
.logo__mark path,.logo__mark circle{transition:stroke .3s var(--ease)}
.logo__text{display:flex;flex-direction:column;line-height:1}
.logo__cn{font-size:1.02rem;font-weight:600;letter-spacing:.08em}
.logo__en{font-family:var(--font-mono);font-size:.56rem;letter-spacing:.34em;margin-top:6px;opacity:.62}

.nav{display:flex;align-items:center;gap:clamp(18px,2.4vw,38px)}
.nav a{
  position:relative;font-size:.86rem;font-weight:500;letter-spacing:.03em;
  padding:6px 0;color:inherit;opacity:.82;transition:opacity .25s var(--ease),color .25s var(--ease);
  white-space:nowrap;
}
.nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;
  background:var(--accent);transition:right .35s var(--ease);
}
.nav a:hover{opacity:1}
.nav a:hover::after,.nav a.is-active::after{right:0}
.nav a.is-active{opacity:1;color:var(--accent)}
.header--paper .nav a.is-active{color:var(--accent-deep)}

.header__right{display:flex;align-items:center;gap:14px}
.header__cta{padding:.72em 1.15em;font-size:.82rem}
.lang{display:inline-flex;border:1px solid var(--line-dark-strong);border-radius:var(--radius);overflow:hidden;line-height:1}
.lang__btn{
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.12em;
  padding:8px 11px;color:inherit;opacity:.62;
  transition:opacity .25s,background .25s,color .25s;
}
.lang__btn:hover{opacity:1}
.lang__btn.is-on{background:rgba(226,240,236,.16);opacity:1;color:var(--accent)}
/* adaptive light header over paper sections */
.header.is-light{background:rgba(242,244,238,.9);color:var(--ink);border-bottom-color:var(--line)}
.header.is-light .lang{border-color:var(--line)}
.header.is-light .lang__btn.is-on{background:var(--ink);color:var(--paper)}
.header.is-light .nav a{opacity:.92}
.header.is-light .nav a.is-active{color:var(--accent-deep);opacity:1}
.header.is-light .btn--accent{color:var(--accent-ink)}

.burger{display:none;width:38px;height:38px;position:relative;align-items:center;justify-content:center}
.burger span{position:absolute;left:9px;width:20px;height:1.5px;background:currentColor;transition:transform .35s var(--ease),opacity .2s}
.burger span:nth-child(1){top:15px}
.burger span:nth-child(2){top:21px}
.burger span:nth-child(3){top:27px}
body.menu-open .burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.menu-open .burger span:nth-child(2){opacity:0}
body.menu-open .burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* mobile menu */
.mmenu{
  position:fixed;inset:0;z-index:90;background:var(--abyss);color:var(--deep-text);
  padding:calc(var(--nav-h) + 32px) var(--pad) 40px;
  display:flex;flex-direction:column;justify-content:space-between;
  transform:translateY(-102%);transition:transform .55s var(--ease);
  visibility:hidden;
}
body.menu-open .mmenu{transform:translateY(0);visibility:visible}
.mmenu__list{display:flex;flex-direction:column}
.mmenu__list a{
  display:flex;align-items:baseline;gap:16px;
  padding:16px 0;border-bottom:1px solid var(--line-dark);
  font-size:1.55rem;font-weight:600;letter-spacing:-.01em;
}
.mmenu__list .idx{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.16em;color:var(--accent);opacity:.8}
.mmenu__foot{display:flex;flex-direction:column;gap:8px;font-size:.85rem;color:var(--deep-text-dim)}
.mmenu__foot a{color:var(--accent)}

/* ---------- Hero (home) ---------- */
.hero{
  position:relative;min-height:100svh;
  display:flex;flex-direction:column;justify-content:flex-end;
  background:var(--abyss);color:var(--deep-text);overflow:hidden;
  padding-top:calc(var(--nav-h) + 40px);
}
.hero__media{position:absolute;inset:0;z-index:0}
.hero__media img{
  width:100%;height:100%;object-fit:cover;object-position:50% 62%;
  transform:scale(1.04);animation:heroDrift 26s var(--ease) infinite alternate;
}
@keyframes heroDrift{from{transform:scale(1.04) translate3d(0,0,0)}to{transform:scale(1.1) translate3d(0,-1.2%,0)}}
.hero__media::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(3,16,26,.82) 0%,rgba(3,16,26,.28) 34%,rgba(3,16,26,.52) 68%,rgba(3,16,26,.94) 100%),
    radial-gradient(120% 80% at 12% 78%,rgba(3,16,26,.72) 0%,rgba(3,16,26,0) 60%);
}
.hero__inner{position:relative;z-index:1;width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad)}
.hero__content{
  display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,.45fr);
  gap:clamp(24px,5vw,80px);align-items:end;
  padding-bottom:clamp(40px,6vw,84px);
}
.hero__eyebrow{display:flex;align-items:center;gap:14px;margin-bottom:clamp(20px,2.6vw,34px)}
.hero__eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(99,217,192,.16)}
.hero h1{max-width:22ch;text-wrap:balance}
.hero h1 .soft{color:rgba(233,241,236,.6)}
.hero__sub{margin-top:clamp(18px,2.2vw,28px);max-width:44ch;font-size:clamp(1rem,1.15vw,1.12rem);line-height:1.8;color:rgba(233,241,236,.78)}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:clamp(26px,3vw,40px)}
.hero__meta{display:flex;flex-direction:column;gap:18px;padding:clamp(16px,1.6vw,22px) clamp(16px,1.8vw,24px);
  background:rgba(3,16,26,.38);border:1px solid var(--line-dark);border-radius:var(--radius);
  -webkit-backdrop-filter:blur(10px) saturate(120%);backdrop-filter:blur(10px) saturate(120%)}
.hero__meta-row{display:flex;flex-direction:column;gap:5px}
.hero__meta .k{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--deep-text-faint)}
.hero__meta .v{font-size:.92rem;color:var(--deep-text);line-height:1.5}
.hero__scrollbar{
  position:relative;z-index:1;width:100%;max-width:var(--maxw);margin-inline:auto;
  padding:0 var(--pad) 22px;display:flex;justify-content:flex-end;
  font-family:var(--font-mono);font-size:.64rem;letter-spacing:.18em;color:var(--deep-text-faint);
}

/* ---------- Stats strip ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.stats--dark{border-color:var(--line-dark)}
.stat{padding:clamp(22px,2.6vw,34px) clamp(16px,2vw,26px) clamp(22px,2.6vw,30px) 0}
.stat+.stat{border-left:1px solid var(--line);padding-left:clamp(16px,2vw,26px)}
.stats--dark .stat+.stat{border-color:var(--line-dark)}
.stat__num{display:flex;align-items:baseline;gap:.16em;font-family:var(--font-mono);font-weight:500;font-size:clamp(1.7rem,2.6vw,2.5rem);line-height:1.05;letter-spacing:-.02em;white-space:nowrap;flex-wrap:wrap}
.stat__num .unit{font-size:.38em;letter-spacing:.04em;font-weight:400;opacity:.66}
.stat__label{margin-top:14px;font-size:.8rem;line-height:1.6;color:var(--muted);max-width:20ch}
.stats--dark .stat__label{color:var(--deep-text-faint)}
.stat__note{margin-top:6px;font-family:var(--font-mono);font-size:.6rem;letter-spacing:.1em;color:var(--muted);opacity:.7}

/* ---------- Editorial statement ---------- */
.statement{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:clamp(24px,6vw,96px);align-items:start}
.statement__en{font-family:var(--font-serif);font-size:clamp(1.5rem,2.2vw,2.1rem);line-height:1.3;color:var(--accent-deep);margin-bottom:18px}
.statement .display{max-width:18ch;font-size:clamp(1.75rem,3.1vw,2.9rem)}
.statement__body{padding-top:clamp(4px,1vw,10px)}
.statement__body .lead+.lead{margin-top:1em}
.pull{
  margin-top:clamp(20px,2.6vw,30px);padding-left:clamp(18px,2vw,26px);
  border-left:1px solid var(--accent);font-size:1.02rem;line-height:1.8;color:var(--ink);
}

/* ---------- Split (image + text) ---------- */
.split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(28px,5vw,80px);align-items:center}
.split--wide{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr)}
.split--reverse .split__media{order:2}
.split__media{position:relative;overflow:hidden;border-radius:var(--radius);background:var(--paper-2)}
.split__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.split__media--tall img{aspect-ratio:3/4}
.split__cap{
  display:flex;justify-content:space-between;gap:14px;margin-top:12px;
  font-family:var(--font-mono);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);
}
.split__body{display:flex;flex-direction:column;gap:clamp(16px,2vw,24px)}

/* ---------- Feature list (numbered) ---------- */
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);margin-top:clamp(28px,4vw,48px)}
.feature{padding:clamp(20px,2.4vw,30px) clamp(16px,2vw,26px) clamp(24px,3vw,34px) 0;border-bottom:1px solid var(--line)}
.feature+.feature{border-left:1px solid var(--line);padding-left:clamp(16px,2vw,26px)}
.feature__idx{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.16em;color:var(--accent-deep);margin-bottom:clamp(22px,3vw,40px)}
.feature__title{font-size:1.02rem;font-weight:600;line-height:1.5;margin-bottom:10px;letter-spacing:-.005em}
.feature__text{font-size:.86rem;line-height:1.78;color:var(--muted)}
.section--dark .features,.section--deep .features{border-color:var(--line-dark)}
.section--dark .feature,.section--deep .feature{border-color:var(--line-dark)}
.section--dark .feature+.feature,.section--deep .feature+.feature{border-color:var(--line-dark)}
.section--dark .feature__text,.section--deep .feature__text{color:var(--deep-text-faint)}

/* ---------- Bento scenarios ---------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:minmax(0,auto);gap:clamp(12px,1.6vw,20px)}
.bento__cell{
  position:relative;display:flex;flex-direction:column;justify-content:space-between;
  gap:clamp(28px,4vw,56px);padding:clamp(22px,2.4vw,32px);
  background:var(--paper-2);border-radius:var(--radius);
  transition:background .4s var(--ease),transform .4s var(--ease);
  overflow:hidden;
}
.bento__cell:hover{background:var(--paper-3)}
.bento__cell--a{grid-column:span 4;min-height:clamp(240px,23vw,310px)}
.bento__cell--b{grid-column:span 2;background:var(--deep);color:var(--deep-text)}
.bento__cell--b:hover{background:var(--deep-2)}
.bento__cell--c{grid-column:span 2}
.bento__cell--d{grid-column:span 2}
.bento__cell--e{grid-column:span 2}
.bento__cell--img{padding:0;background:var(--abyss);min-height:220px}
.bento__cell--img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.72;transition:opacity .5s,transform .8s var(--ease)}
.bento__cell--img:hover img{opacity:.85;transform:scale(1.03)}
.bento__cell--img .bento__top,.bento__cell--img .bento__bottom{position:relative;z-index:2;padding:clamp(20px,2.2vw,28px)}
.bento__cell--img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,16,26,.55),rgba(3,16,26,.9));z-index:1}
.bento__cell--img .bento__title,.bento__cell--img .bento__text,.bento__cell--img .mono{color:var(--deep-text)}
.bento__cell--img .bento__text{color:rgba(233,241,236,.72)}
.bento__top{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.bento__tag{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-deep)}
.bento__cell--b .bento__tag,.bento__cell--img .bento__tag{color:var(--accent)}
.bento__title{font-size:clamp(1.15rem,1.6vw,1.5rem);font-weight:600;line-height:1.4;letter-spacing:-.01em;max-width:20ch}
.bento__text{font-size:.88rem;line-height:1.75;color:var(--muted);max-width:42ch}
.bento__cell--b .bento__text{color:var(--deep-text-dim)}
.bento__ico{width:34px;height:34px;flex-shrink:0;opacity:.85}

/* ---------- Ecosystem / partner ---------- */
.partner{display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(32px,4vw,56px)}
.partner__split{display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:center}
.partner__logos{display:grid;grid-template-columns:repeat(6,1fr);border-top:1px solid var(--line-dark);border-left:1px solid var(--line-dark)}
.partner__logo{
  border-right:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);
  padding:clamp(16px,2vw,24px) 16px;display:flex;flex-direction:column;justify-content:center;gap:6px;
  min-height:92px;
}
.partner__logo b{font-size:.9rem;font-weight:500;letter-spacing:.01em;color:var(--deep-text)}
.partner__logo span{font-family:var(--font-mono);font-size:.58rem;letter-spacing:.1em;text-transform:uppercase;color:var(--deep-text-faint)}

/* ---------- Roadmap ---------- */
.roadmap{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(16px,2.6vw,40px);margin-top:clamp(32px,5vw,56px)}
.roadmap::before{content:"";position:absolute;left:0;right:0;top:9px;height:1px;background:var(--line-dark)}
.rm{position:relative;padding-top:34px}
.rm::before{content:"";position:absolute;left:0;top:4px;width:11px;height:11px;border:1px solid var(--accent);background:var(--abyss);border-radius:50%}
.rm--now::before{background:var(--accent);box-shadow:0 0 0 5px rgba(99,217,192,.14)}
.rm__year{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;color:var(--accent);margin-bottom:12px}
.rm__title{font-size:1.02rem;font-weight:600;line-height:1.45;margin-bottom:8px;color:var(--deep-text)}
.rm__text{font-size:.84rem;line-height:1.75;color:var(--deep-text-faint)}

/* ---------- News cards ---------- */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,2.6vw,34px)}
.ncard{display:flex;flex-direction:column;gap:14px;padding-top:20px;border-top:1px solid var(--line);height:100%}
.ncard__meta{display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:.62rem;letter-spacing:.12em;color:var(--muted);text-transform:uppercase}
.ncard__title{font-size:1.04rem;font-weight:600;line-height:1.55;letter-spacing:-.005em;transition:color .3s}
.ncard:hover .ncard__title{color:var(--accent-deep)}
.ncard__excerpt{font-size:.86rem;line-height:1.75;color:var(--muted)}
.ncard__media{aspect-ratio:16/10;overflow:hidden;background:var(--paper-2);border-radius:var(--radius);order:-1}
.ncard__media img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.ncard:hover .ncard__media img{transform:scale(1.04)}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--abyss);color:var(--deep-text);padding-block:clamp(64px,8vw,112px)}
.cta-band__bg{position:absolute;inset:0;opacity:.28}
.cta-band__bg img{width:100%;height:100%;object-fit:cover}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,16,26,.92),rgba(3,16,26,.55))}
.cta-band__inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:clamp(24px,4vw,60px);align-items:end}
.cta-band h2{max-width:16ch}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px;justify-self:start}
@media(min-width:900px){.cta-band__actions{justify-self:end}}

/* ---------- Footer ---------- */
.footer{background:var(--abyss);color:var(--deep-text);padding-top:clamp(56px,7vw,96px)}
.footer__top{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,.6fr));gap:clamp(24px,4vw,56px);padding-bottom:clamp(40px,5vw,68px);border-bottom:1px solid var(--line-dark)}
.footer__brand{display:flex;flex-direction:column;gap:20px}
.footer__brand .logo__cn{font-size:1.22rem}
.footer__brand p{max-width:34ch;font-size:.86rem;line-height:1.8;color:var(--deep-text-faint)}
.footer__col h4{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--deep-text-faint);margin-bottom:18px;font-weight:400}
.footer__col a,.footer__col li{display:block;font-size:.86rem;line-height:2.1;color:var(--deep-text-dim);transition:color .25s}
.footer__col a:hover{color:var(--accent)}
.footer__bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-block:24px 28px;font-family:var(--font-mono);font-size:.62rem;letter-spacing:.1em;color:var(--deep-text-faint);text-transform:uppercase}
.footer__wordmark{font-family:var(--font-cn);font-weight:600;font-size:clamp(2.4rem,9vw,7rem);line-height:.9;letter-spacing:-.04em;color:rgba(233,241,236,.07);padding-bottom:clamp(20px,3vw,34px);white-space:nowrap;overflow:hidden}

/* ---------- Page masthead ---------- */
.masthead{position:relative;background:var(--abyss);color:var(--deep-text);padding:calc(var(--nav-h) + clamp(56px,8vw,104px)) 0 clamp(44px,6vw,72px);overflow:hidden}
.masthead__bg{position:absolute;inset:0;opacity:.32}
.masthead__bg img{width:100%;height:100%;object-fit:cover;object-position:center 60%}
.masthead::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,16,26,.55),rgba(3,16,26,.94))}
.masthead__inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:clamp(20px,4vw,64px);align-items:end}
.masthead__crumb{display:flex;gap:10px;font-family:var(--font-mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--deep-text-faint);margin-bottom:clamp(20px,3vw,32px)}
.masthead__crumb a:hover{color:var(--accent)}
.masthead h1{font-size:clamp(2.1rem,4.4vw,3.6rem);line-height:1.14;font-weight:600;letter-spacing:-.024em;max-width:18ch}
.masthead__sub{max-width:40ch;font-size:.98rem;line-height:1.8;color:var(--deep-text-dim);justify-self:end;padding-bottom:4px}
.masthead__meta{display:flex;flex-wrap:wrap;gap:clamp(18px,3vw,40px);margin-top:clamp(28px,4vw,44px);padding-top:clamp(18px,2.4vw,26px);border-top:1px solid var(--line-dark)}
.masthead__meta div{display:flex;flex-direction:column;gap:4px}
.masthead__meta .k{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;color:var(--deep-text-faint)}
.masthead__meta .v{font-size:.86rem;color:var(--deep-text)}

/* ---------- Process / DOC diagram ---------- */
.process{display:grid;grid-template-columns:minmax(0,1.42fr) minmax(0,.58fr);gap:clamp(20px,3vw,44px);align-items:start}
.process__figure{position:relative;background:var(--abyss-2);border:1px solid var(--line-dark);border-radius:var(--radius);padding:clamp(14px,2vw,26px);overflow:hidden}
.process__svg{width:100%;height:auto}
.process__steps{display:flex;flex-direction:column;border-top:1px solid var(--line-dark)}
.pstep{display:grid;grid-template-columns:26px 1fr;gap:14px;text-align:left;padding:14px 4px;border-bottom:1px solid var(--line-dark);transition:background .3s;cursor:pointer}
.pstep:hover{background:rgba(99,217,192,.05)}
.pstep__n{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.06em;color:var(--deep-text-faint);padding-top:3px;transition:color .3s}
.pstep__t{font-size:.88rem;line-height:1.55;color:var(--deep-text-dim);transition:color .3s}
.pstep.is-on .pstep__n{color:var(--accent)}
.pstep.is-on .pstep__t{color:var(--deep-text)}
.pstep__d{grid-column:2;font-size:.78rem;line-height:1.7;color:var(--deep-text-faint);max-height:0;overflow:hidden;transition:max-height .45s var(--ease),opacity .3s,margin .3s;opacity:0}
.pstep.is-on .pstep__d{max-height:120px;opacity:1;margin-top:6px}
/* svg states */
.process__svg .node{transition:opacity .3s,fill .3s}
.process__svg .n-label{transition:opacity .3s,fill .3s}
.process__svg .n-dot{transition:fill .3s,r .3s}
.process__svg g[data-step]{cursor:pointer}
.process__svg g[data-step].is-dim{opacity:.32}
.process__svg g[data-step].is-on .n-dot{fill:var(--accent)}
.process__svg g[data-step].is-on .n-label{fill:#04121c}

/* ---------- Data table ---------- */
.spec{width:100%;border-collapse:collapse;font-size:.9rem}
.spec th,.spec td{text-align:left;padding:15px 14px 15px 0;border-bottom:1px solid var(--line);vertical-align:top}
.spec th{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:400;white-space:nowrap;width:26%}
.spec td{color:var(--ink-2)}
.section--dark .spec th,.section--deep .spec th{border-color:var(--line-dark);color:var(--deep-text-faint)}
.section--dark .spec td,.section--deep .spec td{border-color:var(--line-dark);color:var(--deep-text-dim)}

/* ---------- Comparison bars ---------- */
.compare{display:flex;flex-direction:column;gap:clamp(18px,2.4vw,28px);margin-top:clamp(24px,3vw,36px)}
.cmp{display:grid;grid-template-columns:minmax(0,150px) minmax(0,1fr) 88px;align-items:center;gap:clamp(12px,2vw,24px)}
.cmp__name{font-size:.84rem;line-height:1.5}
.cmp__name small{display:block;font-family:var(--font-mono);font-size:.58rem;letter-spacing:.1em;color:var(--muted);margin-top:3px;text-transform:uppercase}
.cmp__track{height:8px;background:rgba(12,26,30,.08);border-radius:0;overflow:hidden}
.section--dark .cmp__track,.section--deep .cmp__track{background:rgba(226,240,236,.09)}
.cmp__bar{height:100%;background:var(--ink);transform-origin:left;transform:scaleX(0);transition:transform 1.1s var(--ease)}
.section--dark .cmp__bar,.section--deep .cmp__bar{background:rgba(233,241,236,.4)}
.cmp--ours .cmp__bar{background:var(--accent-deep)}
.section--dark .cmp--ours .cmp__bar,.section--deep .cmp--ours .cmp__bar{background:var(--accent)}
.is-visible .cmp__bar{transform:scaleX(1)}
.cmp__val{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.02em;text-align:right;color:var(--ink-2)}
.section--dark .cmp__val,.section--deep .cmp__val{color:var(--deep-text)}

/* ---------- Scenario selector (solutions) ---------- */
.scenarios{display:grid;grid-template-columns:minmax(0,.42fr) minmax(0,.58fr);gap:clamp(24px,4vw,64px);align-items:start}
.sc-tabs{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.sc-tab{
  display:grid;grid-template-columns:34px 1fr 20px;align-items:center;gap:12px;
  text-align:left;padding:clamp(16px,1.8vw,22px) 0;border-bottom:1px solid var(--line);
  transition:color .3s,padding .3s;
}
.sc-tab__n{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.1em;color:var(--muted);transition:color .3s}
.sc-tab__t{font-size:1rem;font-weight:500;letter-spacing:-.005em;transition:color .3s}
.sc-tab__arw{font-size:.9rem;opacity:0;transform:translateX(-6px);transition:opacity .3s,transform .3s}
.sc-tab:hover{padding-left:6px}
.sc-tab.is-on .sc-tab__n,.sc-tab.is-on .sc-tab__t{color:var(--accent-deep)}
.sc-tab.is-on .sc-tab__arw{opacity:1;transform:translateX(0)}
.sc-panel{display:none;animation:panelIn .5s var(--ease) both}
.sc-panel.is-on{display:block}
@keyframes panelIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.sc-panel__media{aspect-ratio:16/9;overflow:hidden;background:var(--paper-2);margin-bottom:clamp(20px,2.4vw,28px);border-radius:var(--radius)}
.sc-panel__media img{width:100%;height:100%;object-fit:cover}
.sc-panel h3{font-size:clamp(1.3rem,1.9vw,1.7rem);font-weight:600;line-height:1.35;letter-spacing:-.015em;margin-bottom:14px}
.sc-panel .body{max-width:62ch}
.sc-panel__facts{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:clamp(20px,2.6vw,30px);padding-top:20px;border-top:1px solid var(--line)}
.sc-fact .k{font-family:var(--font-mono);font-size:.58rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.sc-fact .v{font-size:.88rem;line-height:1.5;color:var(--ink-2)}
.sc-panel__cta{margin-top:clamp(22px,2.8vw,32px)}

/* ---------- Deliver models ---------- */
.models{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.model{background:var(--paper);padding:clamp(24px,3vw,38px);display:flex;flex-direction:column;gap:14px;transition:background .35s}
.model:hover{background:var(--paper-2)}
.model__id{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.14em;color:var(--accent-deep)}
.model h3{font-size:1.14rem;font-weight:600;line-height:1.4}
.model p{font-size:.88rem;line-height:1.8;color:var(--muted)}
.model__list{margin-top:auto;padding-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.model__list span{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.08em;text-transform:uppercase;border:1px solid var(--line);padding:5px 9px;color:var(--muted)}

/* ---------- Projects ---------- */
.project-hero{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:clamp(20px,3vw,40px);align-items:stretch}
.project-hero__media{position:relative;overflow:hidden;min-height:clamp(280px,40vw,520px);background:var(--abyss)}
.project-hero__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.project-hero__tag{position:absolute;left:clamp(16px,2vw,24px);bottom:clamp(16px,2vw,24px);font-family:var(--font-mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:#fff;padding:7px 10px;background:rgba(3,16,26,.62);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.project-hero__panel{background:var(--abyss-2);color:var(--deep-text);padding:clamp(24px,3vw,36px);display:flex;flex-direction:column;justify-content:space-between;gap:clamp(24px,3vw,40px)}
.project-hero__panel h2{font-size:clamp(1.4rem,2vw,1.8rem);line-height:1.3;font-weight:600}
.project-hero__facts{display:flex;flex-direction:column;border-top:1px solid var(--line-dark)}
.project-hero__fact{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line-dark);font-size:.84rem}
.project-hero__fact span:first-child{color:var(--deep-text-faint);font-family:var(--font-mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;padding-top:3px}
.project-hero__fact span:last-child{text-align:right;max-width:60%}
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.4vw,30px);margin-top:clamp(28px,4vw,48px)}
.proj{border-top:1px solid var(--line);padding-top:20px;display:flex;flex-direction:column;gap:12px}
.proj__media{aspect-ratio:4/3;overflow:hidden;background:var(--paper-2);border-radius:var(--radius);order:-1}
.proj__media img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.proj:hover .proj__media img{transform:scale(1.04)}
.proj__meta{display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:.6rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.proj h3{font-size:1.02rem;font-weight:600;line-height:1.45}
.proj p{font-size:.85rem;line-height:1.75;color:var(--muted)}

/* video */
.video{position:relative;overflow:hidden;background:var(--abyss);border-radius:var(--radius)}
.video video{width:100%;height:auto;display:block;aspect-ratio:16/9;object-fit:cover}
.video__cap{display:flex;justify-content:space-between;gap:14px;margin-top:12px;font-family:var(--font-mono);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}

/* ---------- About / team ---------- */
.team{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:1px solid var(--line);margin-top:clamp(28px,4vw,44px)}
.tm{padding:clamp(20px,2.4vw,28px) clamp(12px,1.6vw,20px) clamp(24px,3vw,32px) 0;border-bottom:1px solid var(--line)}
.tm+.tm{border-left:1px solid var(--line);padding-left:clamp(12px,1.6vw,20px)}
.tm__role{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.16em;color:var(--accent-deep);margin-bottom:clamp(24px,3vw,40px)}
.tm__title{font-size:1.02rem;font-weight:600;margin-bottom:8px}
.tm__text{font-size:.82rem;line-height:1.72;color:var(--muted)}

/* name story */
.story{border-left:1px solid var(--accent);padding-left:clamp(18px,2.4vw,32px);display:flex;flex-direction:column;gap:16px;max-width:56ch}
.story__cn{font-size:clamp(1.5rem,2.4vw,2.1rem);font-weight:600;letter-spacing:.04em;line-height:1.4}
.story__en{font-family:var(--font-serif);font-style:italic;font-size:1.15rem;color:var(--accent-deep)}

/* ---------- Value grid ---------- */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,40px);margin-top:clamp(28px,4vw,44px)}
.value{border-top:1px solid var(--line);padding-top:18px}
.value__num{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.14em;color:var(--accent-deep);margin-bottom:14px}
.value h3{font-size:1.05rem;font-weight:600;margin-bottom:10px}
.value p{font-size:.88rem;line-height:1.8;color:var(--muted)}

/* ---------- Contact ---------- */
.contact{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(32px,6vw,92px);align-items:start}
.contact__info{display:flex;flex-direction:column;gap:clamp(24px,3vw,34px)}
.cinfo{display:flex;flex-direction:column;gap:6px;border-top:1px solid var(--line);padding-top:16px}
.cinfo .k{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.cinfo .v{font-size:.95rem;line-height:1.7;color:var(--ink)}
.cinfo .v a:hover{color:var(--accent-deep)}
.form{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1/-1}
.field label{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.field label .req{color:var(--accent-deep)}
.field input,.field select,.field textarea{
  font-family:var(--font-sans);font-size:.95rem;color:var(--ink);
  background:transparent;border:0;border-bottom:1px solid var(--line);
  padding:10px 2px;border-radius:0;transition:border-color .3s,background .3s;
  appearance:none;
}
.field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23586B70'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 4px center}
.field textarea{resize:vertical;min-height:110px;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-bottom-color:var(--accent-deep);background:rgba(11,106,93,.03)}
.field input::placeholder,.field textarea::placeholder{color:#6E7D80}
.form__foot{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:6px}
.form__note{font-size:.76rem;line-height:1.7;color:var(--muted);max-width:38ch}
.form__done{display:none;padding:18px 20px;border-left:2px solid var(--accent-deep);background:rgba(11,106,93,.06);font-size:.9rem}
.form.is-sent .form__done{display:block}
.form.is-sent .field,.form.is-sent .form__foot{display:none}

/* ---------- Insights list ---------- */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:clamp(28px,4vw,44px)}
.chip{
  font-family:var(--font-mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;
  padding:7px 12px;border:1px solid var(--line);color:var(--muted);border-radius:var(--radius);
  transition:all .25s;
}
.chip.is-on,.chip:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.ilist{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.irow{
  display:grid;grid-template-columns:minmax(0,120px) minmax(0,1fr) minmax(0,260px) 24px;
  gap:clamp(16px,3vw,40px);align-items:start;
  padding:clamp(20px,2.6vw,30px) 0;border-bottom:1px solid var(--line);
  transition:background .3s,padding .3s;
}
.irow:hover{background:rgba(12,26,30,.025);padding-inline:10px}
.irow__date{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.1em;color:var(--muted);padding-top:4px}
.irow__title{font-size:1.1rem;font-weight:600;line-height:1.5;letter-spacing:-.01em}
.irow__title:hover{color:var(--accent-deep)}
.irow__excerpt{font-size:.84rem;line-height:1.75;color:var(--muted)}
.irow__arw{font-size:1rem;color:var(--muted);transition:transform .3s,color .3s;padding-top:2px}
.irow:hover .irow__arw{transform:translate(3px,-3px);color:var(--accent-deep)}

/* ---------- Article ---------- */
.article{max-width:820px;margin-inline:auto}
.article__meta{display:flex;flex-wrap:wrap;gap:16px;font-family:var(--font-mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:clamp(24px,3vw,36px);padding-bottom:20px;border-bottom:1px solid var(--line)}
.article__lead{font-size:clamp(1.1rem,1.5vw,1.3rem);line-height:1.75;color:var(--ink-2);margin-bottom:clamp(24px,3vw,36px)}
.article h2{font-size:1.4rem;font-weight:600;line-height:1.45;margin:clamp(32px,4vw,48px) 0 16px;letter-spacing:-.012em}
.article h3{font-size:1.12rem;font-weight:600;margin:26px 0 12px}
.article p{margin-bottom:1.15em;font-size:1rem;line-height:1.95;color:var(--ink-2)}
.article ul{margin:0 0 1.2em 0;padding-left:0}
.article ul li{position:relative;padding-left:1.2em;margin-bottom:.5em;line-height:1.85;color:var(--ink-2)}
.article ul li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:1px;background:var(--accent-deep)}
.article blockquote{margin:clamp(24px,3vw,36px) 0;padding:4px 0 4px clamp(18px,2vw,26px);border-left:2px solid var(--accent);font-size:1.05rem;line-height:1.85;color:var(--ink)}
.article figure{margin:clamp(24px,3vw,40px) 0}
.article figure img{width:100%;border-radius:var(--radius)}
.article figcaption{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.1em;color:var(--muted);margin-top:10px;text-transform:uppercase}
.article__foot{margin-top:clamp(36px,5vw,56px);padding-top:24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;align-items:center}

/* ---------- Marquee ---------- */
.marquee{overflow:hidden;border-block:1px solid var(--line-dark);padding-block:18px;background:var(--abyss)}
.marquee__track{display:flex;gap:48px;width:max-content;animation:mq 42s linear infinite}
.marquee:hover .marquee__track{animation-play-state:paused}
.marquee span{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--deep-text-faint);white-space:nowrap;display:flex;align-items:center;gap:48px}
.marquee span::after{content:"◆";font-size:.5rem;color:var(--accent);opacity:.7}
@keyframes mq{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- Reveal ---------- */
[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}
[data-reveal="fade"]{transform:none}
[data-reveal-delay="1"]{transition-delay:.08s}
[data-reveal-delay="2"]{transition-delay:.16s}
[data-reveal-delay="3"]{transition-delay:.24s}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  [data-reveal]{opacity:1;transform:none}
  .hero__media img{animation:none}
}

/* ---------- Utility ---------- */
.mt-s{margin-top:clamp(14px,1.6vw,20px)}
.mt-m{margin-top:clamp(22px,2.8vw,34px)}
.mt-l{margin-top:clamp(32px,4.4vw,56px)}
.mb-m{margin-bottom:clamp(22px,2.8vw,34px)}
.center{text-align:center}
.hide{display:none !important}
.cols-2{columns:2;column-gap:clamp(24px,4vw,56px)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- Responsive ---------- */
@media(max-width:1180px){
  .hero__content{grid-template-columns:1fr;gap:28px}
  .hero__meta{flex-direction:row;flex-wrap:wrap;gap:26px;border-left:0;padding-left:0;border-top:1px solid var(--line-dark);padding-top:18px}
  .footer__top{grid-template-columns:repeat(2,minmax(0,1fr))}
  .team{grid-template-columns:repeat(3,1fr)}
  .tm:nth-child(4){border-left:0;padding-left:0}
  .tm:nth-child(n+4){border-top:0}
  .proj-grid{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:1fr}
  .process__figure{order:2}
  .scenarios{grid-template-columns:1fr}
  .irow{grid-template-columns:100px 1fr 24px}
  .irow__excerpt{display:none}
}
@media(max-width:960px){
  :root{--nav-h:64px}
  .grid{grid-template-columns:1fr}
  .grid > *{grid-column:1/-1 !important}
  .partner__split{grid-template-columns:1fr}
  .partner__split .split__media{max-width:320px}
  .partner__logos{grid-template-columns:repeat(2,1fr);min-width:0}
  .partner__logo{min-height:78px}
  .grid > *{min-width:0}
  .nav,.header__cta{display:none}
  .burger{display:flex}
  .header__right{gap:10px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
  .stats--dark .stat:nth-child(n+3){border-color:var(--line-dark)}
  .statement{grid-template-columns:1fr;gap:28px}
  .split,.split--wide,.partner,.contact,.project-hero,.cta-band__inner,.masthead__inner{grid-template-columns:1fr}
  .split--reverse .split__media{order:0}
  .features{grid-template-columns:repeat(2,1fr)}
  .feature:nth-child(3){border-left:0;padding-left:0}
  .feature:nth-child(n+3){border-top:0}
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento__cell--a,.bento__cell--b,.bento__cell--c,.bento__cell--d,.bento__cell--e{grid-column:span 2}
  .bento__cell--a{min-height:230px}
  .roadmap{grid-template-columns:repeat(2,1fr);gap:28px 20px}
  .roadmap::before{display:none}
  .news{grid-template-columns:1fr;gap:26px}
  .models{grid-template-columns:1fr}
  .values,.proj-grid{grid-template-columns:1fr}
  .masthead__sub{justify-self:start;padding-top:16px}
  .team{grid-template-columns:repeat(2,1fr)}
  .tm:nth-child(3){border-left:0;padding-left:0}
  .tm:nth-child(n+3){border-top:0}
  .s-head{grid-template-columns:1fr;align-items:start}
  .s-head__aside{justify-self:start}
  .footer__top{grid-template-columns:1fr 1fr;gap:28px}
  .footer__brand{grid-column:1/-1}
  .sc-panel__facts{grid-template-columns:1fr 1fr}
  .article{max-width:none}
  .cols-2{columns:1}
  .hero__scrollbar{display:none}
}
@media(max-width:620px){
  .display,.display--xl{font-size:clamp(1.7rem,7vw,2.4rem);line-height:1.24}
  .hero h1{font-size:clamp(1.7rem,7vw,2.3rem)}
  .hero{min-height:92svh}
  .stats{grid-template-columns:1fr 1fr}
  .stat{padding:20px 14px 20px 0}
  .features{grid-template-columns:1fr}
  .feature,.feature+.feature{border-left:0;padding-left:0}
  .billboard__row,.irow{grid-template-columns:1fr}
  .form{grid-template-columns:1fr}
  .values,.team,.model,.sc-panel__facts,.footer__top{grid-template-columns:1fr}
  .tm,.tm+.tm{border-left:0;padding-left:0}
  .mmenu__list a{font-size:1.3rem}
  .cmp{grid-template-columns:1fr 60px;gap:6px 12px}
  .cmp__track{grid-column:1/-1;order:3}
  .masthead{padding-top:calc(var(--nav-h) + 48px)}
  .footer__wordmark{font-size:18vw}
  .project-hero__media{min-height:260px}
  .irow{grid-template-columns:1fr 20px;gap:8px}
  .irow__date{grid-column:1/-1}
  .cta-band__actions{justify-self:start}
}

/* ---------- Audience cards (solutions) ---------- */
@media(max-width:1100px){
  .audience-card{grid-column:span 6 !important}
}
@media(max-width:620px){
  .audience-card{grid-column:span 12 !important;min-height:0 !important}
}

/* ---------- v2 merge: hero english line, bento fit, 5-col roadmap, form errors, footer credit ---------- */
.hero__en{
  margin-top:clamp(10px,1.2vw,16px);
  font-size:clamp(1.15rem,1.7vw,1.55rem);
  color:var(--accent);
  letter-spacing:-.005em;
}
.hero h1 .soft{color:rgba(233,241,236,.62)}
.bento__fit{
  margin-top:10px;font-size:.76rem;line-height:1.6;color:var(--muted);
  display:flex;gap:8px;align-items:baseline;
}
.bento__fit b{
  font-family:var(--font-mono);font-size:.6rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent-deep);font-weight:400;flex-shrink:0;
}
.bento__cell--b .bento__fit,.bento__cell--img .bento__fit{color:var(--deep-text-faint)}
.bento__cell--b .bento__fit b,.bento__cell--img .bento__fit b{color:var(--accent)}
.bento__cell--img .bento__fit{position:relative;z-index:2;padding:0 clamp(20px,2.2vw,28px) clamp(20px,2.2vw,28px)}
.roadmap--5{grid-template-columns:repeat(5,1fr)}
@media(max-width:1100px){.roadmap--5{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.roadmap--5{grid-template-columns:1fr}}

/* form errors + consent */
.field__err{display:none;font-size:.76rem;line-height:1.5;color:#A3352B}
.field.has-err .field__err{display:block}
.field.has-err input,.field.has-err select,.field.has-err textarea{border-bottom-color:#A3352B}
.consent{grid-column:1/-1;display:flex;gap:10px;align-items:flex-start;font-size:.78rem;line-height:1.65;color:var(--muted)}
.consent input{margin-top:3px;accent-color:var(--accent-deep);flex-shrink:0}
.consent a{color:var(--accent-deep);text-decoration:underline;text-underline-offset:3px}

/* footer credit */
.footer__credit{display:inline-flex;align-items:center;gap:6px;color:var(--deep-text-faint)}
.footer__credit b{font-weight:500;color:var(--deep-text-dim)}

/* stacked steps (homepage four-step) */
.features--stack{grid-template-columns:1fr;margin-top:clamp(14px,1.8vw,20px)}
.features--stack .feature{padding:clamp(14px,1.6vw,18px) 0;display:grid;grid-template-columns:34px minmax(0,1fr);column-gap:14px;align-items:baseline}
.features--stack .feature__idx{grid-row:span 2;margin:0;padding-top:2px;font-size:.62rem}
.features--stack .feature__title{font-size:.98rem;margin:0}
.features--stack .feature__text{margin-top:4px}
.features--stack .feature:first-child{border-top:1px solid var(--line)}
@media(max-width:620px){.features--stack .feature{grid-template-columns:28px minmax(0,1fr)}}

/* scenario imagery note */
.sc-panel__media{position:relative}
.img-note{
  position:absolute;left:10px;bottom:10px;z-index:2;
  font-family:var(--font-mono);font-size:.58rem;letter-spacing:.12em;text-transform:uppercase;
  color:#fff;background:rgba(3,16,26,.62);padding:5px 8px;
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
}