/* Self-hosted fonts (Archivo, JetBrains Mono · SIL Open Font License) */
/* latin-ext */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 300 900;
  font-stretch: 62% 125%;
  font-display: swap;
  src: url(../fonts/Archivo-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 300 900;
  font-stretch: 62% 125%;
  font-display: swap;
  src: url(../fonts/Archivo-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* latin-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(../fonts/JetBrainsMono-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(../fonts/JetBrainsMono-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* latin-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(../fonts/JetBrainsMono-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(../fonts/JetBrainsMono-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ============ Tokens (see DESIGN.md §2) ============ */
:root{
  --bg:#05070a;            --bg-rgb:5,7,10;
  --surface:#0b1016;       --surface-alt:#0f161e;   --surface-hover:#141d27;
  --border:rgba(255,255,255,.09);                    --border-hover:rgba(255,255,255,.24);
  --text:#f3efe8;          --text-rgb:243,239,232;
  --text-secondary:#b8babd;--text-tertiary:#86898d;                             /* neutral greys, from the logo wordmark */
  --accent:#ff4a3d;        --accent-hover:#ff6b60;  --accent-rgb:255,74,61;    /* logo red, reverse version: text, lines, glows on dark */
  --fill:#e2291f;          --fill-hover:#c41f16;    --fill-rgb:226,41,31;     /* logo red: solid fills carrying white text */
  --on-fill:#ffffff;
  --spark:#ffe100;                                                             /* logo drop core: focus rings + live dots only */
  --lamp:#ffe7c2;                                                              /* warm-white lamp light in the 3D scene */
  --signal:#e2291f;        --signal-rgb:226,41,31;
  --steel:#7f93a6; --moon:#9db4d6; --ground:#090d12; --grid:#23303b; --tank:#c7ccd1;
  --success:#3dbe7a; --error:#ff5a4e; --warning:#ffe100;

  --font-display:"Archivo","Arial Narrow",Arial,sans-serif;
  --font-body:"Archivo",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --font-mono:"JetBrains Mono",Consolas,monospace;
  --ease:cubic-bezier(.22,1,.36,1);
  --wrap:1320px; --gutter:clamp(20px,4vw,56px);
  --radius:3px;
}

/* ============ Base ============ */
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text-secondary);font:400 18px/1.65 var(--font-body);font-stretch:100%;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--text);margin:0;font-stretch:112%;letter-spacing:-.025em}
h1{font-size:clamp(54px,8.2vw,128px);font-weight:800;line-height:.92;text-shadow:0 0 42px rgba(var(--accent-rgb),.16)}
h2{font-size:clamp(40px,5vw,76px);font-weight:760;line-height:.98}
h3{font-size:clamp(22px,1.9vw,28px);font-weight:680;line-height:1.15;letter-spacing:-.015em}
p{margin:0 0 1em}
::selection{background:var(--fill);color:var(--on-fill)}
.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:var(--gutter)}
.label{font:500 13px/1.4 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--text-tertiary);margin:0 0 20px;display:flex;align-items:center;gap:12px}
.label::before{content:"";width:8px;height:8px;background:var(--accent);box-shadow:0 0 12px rgba(var(--accent-rgb),.9)}
.lead{font-size:clamp(19px,1.5vw,22px);line-height:1.6;color:var(--text-secondary);max-width:620px}
.skip{position:absolute;left:-999px;top:8px;background:var(--fill);color:var(--on-fill);padding:10px 16px;z-index:100}
.skip:focus{left:8px}
section{position:relative}
.grain{position:fixed;inset:0;pointer-events:none;z-index:90;opacity:.06;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ============ Buttons & links (DESIGN.md §4) ============ */
.btn{--mx:0px;--my:0px;position:relative;display:inline-flex;align-items:center;gap:14px;min-height:56px;padding:0 28px;border:1px solid transparent;border-radius:var(--radius);font:600 16px/1 var(--font-body);font-stretch:108%;letter-spacing:.01em;cursor:pointer;transform:translate(var(--mx),var(--my));transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease),transform .35s var(--ease)}
.btn .arr{transition:transform .3s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}
.btn-primary{background:var(--fill);color:var(--on-fill)}
.btn-primary:hover{background:var(--fill-hover);box-shadow:0 10px 40px rgba(var(--fill-rgb),.45)}
.btn-primary:active{background:var(--fill);transform:translate(var(--mx),var(--my)) scale(.98)}
.btn-ghost{border-color:var(--border-hover);color:var(--text);background:rgba(var(--bg-rgb),.3);backdrop-filter:blur(8px)}
.btn-ghost:hover{border-color:var(--text);background:rgba(var(--text-rgb),.06)}
.btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--spark);outline-offset:4px}
.btn[disabled],.btn[aria-disabled=true]{opacity:.4;pointer-events:none}
.link{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:600;padding:6px 0;background:linear-gradient(var(--accent),var(--accent)) 0 100%/0 1px no-repeat;transition:background-size .4s var(--ease),color .2s}
.link:hover{background-size:100% 1px;color:var(--accent)}
.tag{display:inline-flex;align-items:center;gap:8px;font:500 12.5px/1 var(--font-mono);letter-spacing:.1em;text-transform:uppercase;padding:8px 11px;border:1px solid var(--border-hover);border-radius:var(--radius);color:var(--text)}
.tag.live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--spark);box-shadow:0 0 10px var(--spark);animation:pulse 2s infinite}
.tag.done::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--success)}
@keyframes pulse{50%{opacity:.35}}

/* ============ Header ============ */
.site-header{position:fixed;inset:0 0 auto;z-index:50;transition:background .4s var(--ease),border-color .4s,backdrop-filter .4s}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:88px;transition:height .4s var(--ease)}
.site-header.scrolled,.site-header.solid{background:rgba(var(--bg-rgb),.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.site-header.scrolled .wrap{height:72px}
.brand img{width:188px;height:auto}
.nav{display:flex;align-items:center;gap:34px;font-size:15.5px;font-weight:500;color:var(--text)}
.nav a:not(.btn){position:relative;padding:8px 0;opacity:.82;transition:opacity .2s}
.nav a:not(.btn):hover,.nav a[aria-current=page]{opacity:1}
.nav a[aria-current=page]::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent)}
.nav .btn{min-height:46px;padding:0 20px;font-size:15px}
.shift{font:500 12.5px/1 var(--font-mono);letter-spacing:.08em;color:var(--text-tertiary);display:flex;align-items:center;gap:8px;white-space:nowrap}
.shift b{color:var(--text);font-weight:500}
.shift i{width:7px;height:7px;border-radius:50%;background:var(--spark);box-shadow:0 0 10px var(--spark)}
.menu-btn{display:none;background:none;border:1px solid var(--border-hover);color:var(--text);min-height:46px;min-width:46px;padding:0 16px;border-radius:var(--radius);font:600 15px var(--font-body);cursor:pointer}

/* ============ Hero (Wow 1: live 3D tank farm) ============ */
.hero{height:100svh;min-height:680px;overflow:hidden;display:flex;align-items:flex-end;background:var(--bg)}
.hero canvas,.hero .fallback{position:absolute;inset:0;width:100%;height:100%}
.hero .fallback{object-fit:cover;filter:brightness(.42) saturate(.7) hue-rotate(-8deg);animation:kenburns 26s ease-in-out infinite alternate}
@keyframes kenburns{from{transform:scale(1.02) translate(0,0)}to{transform:scale(1.14) translate(-2%,-2%)}}
.hero .shade{position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(var(--bg-rgb),.9) 0%,rgba(var(--bg-rgb),.45) 45%,rgba(var(--bg-rgb),0) 70%),linear-gradient(0deg,rgba(var(--bg-rgb),1) 0%,rgba(var(--bg-rgb),0) 38%)}
.hero .wrap{position:relative;width:100%;padding-bottom:clamp(40px,7vh,84px)}
.hero h1{max-width:980px;margin:0 0 30px}
.hero h1 .accent{color:var(--accent)}
.hero .lead{margin-bottom:38px;max-width:560px}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap}
.hud{position:absolute;right:var(--gutter);bottom:clamp(40px,7vh,84px);display:grid;gap:10px;font:500 12.5px/1.5 var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--text-tertiary);text-align:right}
.hud b{color:var(--text);font-weight:500}
.hud .readout{min-width:280px;padding:14px 16px;border:1px solid var(--border);background:rgba(var(--bg-rgb),.55);backdrop-filter:blur(8px);text-align:left}
.hud .bar{height:3px;background:var(--border);margin-top:10px;overflow:hidden}
.hud .bar span{display:block;height:100%;width:var(--lvl,60%);background:var(--accent);box-shadow:0 0 10px var(--accent);transition:width 1.2s var(--ease)}
.scroll-cue{display:flex;align-items:center;gap:10px;justify-content:flex-end}
.scroll-cue::after{content:"";width:1px;height:34px;background:linear-gradient(var(--accent),transparent);animation:cue 2.2s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
.caption{font:400 12.5px/1.4 var(--font-mono);color:var(--text-tertiary);letter-spacing:.04em}

/* Split text */
.split .w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.08em;margin-bottom:-.08em}
.split .w>span{display:inline-block;will-change:transform}
.js [data-split="load"] .w>span,.js [data-split="scroll"] .w>span{transform:translateY(110%)}
.split.play .w>span{animation:rise 1.1s var(--ease) both;animation-delay:calc(var(--d,0s) + var(--i,0) * 60ms)}
@keyframes rise{from{transform:translateY(110%)}to{transform:none}}

/* ============ Storage scene (Wow 2: pinned gauge) ============ */
.storage{height:320vh;background:var(--bg)}
.storage .stage{position:sticky;top:0;height:100svh;display:flex;align-items:center;overflow:hidden}
.storage .stage::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 50% at 72% 55%,rgba(var(--accent-rgb),.09),transparent 70%)}
.storage .grid{position:relative;display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(40px,6vw,96px);align-items:center;width:100%}
.counter{font-family:var(--display,var(--font-display));font-size:clamp(64px,9vw,148px);font-weight:800;font-stretch:118%;line-height:.9;letter-spacing:-.04em;color:var(--text);font-variant-numeric:tabular-nums;margin:6px 0 4px}
.counter small{font-size:.32em;font-weight:600;letter-spacing:0;color:var(--accent);margin-left:.2em}
.steps{list-style:none;margin:36px 0 0;padding:0;border-top:1px solid var(--border)}
.steps li{display:grid;grid-template-columns:52px 1fr;gap:12px;padding:16px 0;border-bottom:1px solid var(--border);color:var(--text-tertiary);transition:color .4s var(--ease)}
.steps li b{font:500 13px/1.8 var(--font-mono);letter-spacing:.1em}
.steps li.on{color:var(--text)}
.steps li.on b{color:var(--accent)}
.tanks{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 22px}
.tank{position:relative;height:clamp(66px,9vh,96px);border-radius:60px;border:1px solid var(--border-hover);background:linear-gradient(180deg,rgba(var(--text-rgb),.06),rgba(var(--text-rgb),.01));overflow:hidden}
.tank .fill{position:absolute;left:0;right:0;bottom:0;height:calc(var(--f,0)*100%);background:linear-gradient(180deg,rgba(var(--fill-rgb),.98),rgba(var(--fill-rgb),.62));box-shadow:0 -8px 30px rgba(var(--fill-rgb),.5)}
.tank .fill::before{content:"";position:absolute;left:0;right:0;top:-3px;height:6px;background:rgba(var(--text-rgb),.55);filter:blur(2px);opacity:calc(var(--f,0) * 1.4)}
.tank .id{position:absolute;left:24px;top:50%;transform:translateY(-50%);font:500 13px/1 var(--font-mono);letter-spacing:.1em;color:var(--text);transition:color .3s}
.tank .vol{position:absolute;right:24px;top:50%;transform:translateY(-50%);font:500 13px/1 var(--font-mono);color:var(--text);transition:color .3s}
.tank.full .id,.tank.full .vol{color:var(--on-fill)}

/* ============ Capabilities bento (Wow 3: spotlight cards) ============ */
.block{padding-block:clamp(96px,13vw,180px)}
.head{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:end;margin-bottom:56px}
.head p{margin:0}
.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(230px,auto);gap:14px}
.cell{--x:50%;--y:50%;position:relative;display:flex;flex-direction:column;justify-content:flex-end;padding:30px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow:hidden;isolation:isolate;transition:border-color .3s,transform .5s var(--ease)}
.cell::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(420px circle at var(--x) var(--y),rgba(var(--accent-rgb),.16),transparent 60%);opacity:0;transition:opacity .35s}
.cell:hover{border-color:rgba(var(--accent-rgb),.5)}
.cell:hover::before{opacity:1}
.cell .no{position:absolute;top:26px;left:30px;font:500 13px/1 var(--font-mono);letter-spacing:.1em;color:var(--text-tertiary)}
.cell .go{position:absolute;top:22px;right:24px;width:40px;height:40px;border:1px solid var(--border-hover);border-radius:50%;display:grid;place-items:center;color:var(--text);transition:background .3s,color .3s,transform .4s var(--ease)}
.cell:hover .go{background:var(--fill);color:var(--on-fill);border-color:var(--fill);transform:rotate(-45deg)}
.cell p{margin:10px 0 0;font-size:16px;line-height:1.55}
.cell .scope{margin-top:14px;font:400 13px/1.6 var(--font-mono);color:var(--text-tertiary)}
.cell.big{grid-column:span 2;grid-row:span 2;min-height:500px}
.cell.tall{grid-row:span 2}
.cell.wide{grid-column:span 2}
.cell .bg{position:absolute;inset:0;z-index:-2}
.cell .bg img{width:100%;height:100%;object-fit:cover;filter:brightness(.38) saturate(.6);transform:scale(1.04);transition:transform 1.2s var(--ease),filter .6s}
.cell:hover .bg img{transform:scale(1.1);filter:brightness(.48) saturate(.75)}
.cell .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(var(--bg-rgb),.95),rgba(var(--bg-rgb),.1) 70%)}
.cell svg.ico{width:40px;height:40px;stroke:var(--accent);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;margin-bottom:auto;margin-top:36px}

/* ============ Projects: expanding panels ============ */
.panels{display:flex;gap:14px;height:clamp(460px,64vh,640px)}
.panel{position:relative;flex:1;min-width:0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:flex .8s var(--ease)}
.panels:hover .panel{flex:.75}
.panels .panel:hover{flex:1.5}
.panel img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.5) saturate(.7);transition:filter .6s,transform 1.2s var(--ease)}
.panel:hover img{filter:brightness(.62) saturate(.85);transform:scale(1.04)}
.panel::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(var(--bg-rgb),.95) 0%,rgba(var(--bg-rgb),0) 60%)}
.panel .in{position:absolute;left:0;right:0;bottom:0;z-index:1;padding:clamp(24px,3vw,40px)}
.panel h3{font-size:clamp(28px,3vw,44px);margin:14px 0 10px}
.panel .meta{display:flex;flex-wrap:wrap;gap:8px 24px;font:500 13px/1.5 var(--font-mono);color:var(--text-secondary);letter-spacing:.06em;text-transform:uppercase}
.panel .meta b{color:var(--accent);font-weight:500}
.panel .caption{position:absolute;top:18px;right:18px;z-index:1}

/* ============ Solar ============ */
.solar .grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,96px);align-items:center}
.solar figure{margin:0;position:relative;border-radius:var(--radius);overflow:hidden}
.solar figure img{aspect-ratio:4/5;object-fit:cover;width:100%;filter:brightness(.72) saturate(.85)}
.solar figure figcaption{position:absolute;left:16px;bottom:14px}
.reveal-words .rw{opacity:.16;transition:opacity .2s}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0 36px}
.chip{font:500 15px/1 var(--font-mono);color:var(--text);padding:12px 16px;border:1px solid var(--border-hover);border-radius:var(--radius)}

/* ============ HSE marquee ============ */
.hse{border-block:1px solid var(--border);background:var(--surface);padding-block:28px;overflow:hidden}
.marquee{display:flex;gap:56px;width:max-content;animation:marquee 48s linear infinite}
.marquee span{display:flex;align-items:center;gap:56px;font-family:var(--font-display);font-stretch:118%;font-weight:700;font-size:clamp(28px,3.2vw,48px);color:var(--text);white-space:nowrap;letter-spacing:-.02em}
.marquee span::after{content:"";width:14px;height:14px;background:var(--signal);transform:rotate(45deg)}
.hse:hover .marquee{animation-play-state:paused}
@keyframes marquee{to{transform:translateX(-50%)}}
.ims{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;padding-top:28px}
.ims .std{display:flex;gap:10px;flex-wrap:wrap}

/* ============ CTA + footer ============ */
.cta{padding-block:clamp(110px,16vw,220px);text-align:center;overflow:hidden}
.cta::before{content:"";position:absolute;left:50%;top:50%;width:min(1100px,120vw);aspect-ratio:1;transform:translate(-50%,-50%);background:radial-gradient(closest-side,rgba(var(--accent-rgb),.14),transparent);pointer-events:none}
.cta h2{font-size:clamp(46px,7.4vw,120px);max-width:1100px;margin:0 auto 40px;position:relative}
.cta .actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;position:relative}
.site-footer{border-top:1px solid var(--border);padding-block:64px 36px;font-size:15.5px}
.site-footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.site-footer .foot-h{font:500 12.5px/1 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--text-tertiary);margin:0 0 18px;font-stretch:100%}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{padding:5px 0}
.site-footer a:hover{color:var(--accent)}
.site-footer .brand img{width:200px;margin-bottom:18px}
.site-footer .base{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:56px;padding-top:24px;border-top:1px solid var(--border);font:400 13px/1.5 var(--font-mono);color:var(--text-tertiary)}

/* ============ Inner pages (L2, calmer) ============ */
.page-hero{position:relative;min-height:74svh;display:flex;align-items:flex-end;overflow:hidden;padding-top:140px}
.page-hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.36) saturate(.65)}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,var(--bg) 2%,rgba(var(--bg-rgb),.2) 60%),linear-gradient(90deg,rgba(var(--bg-rgb),.75),transparent 70%)}
.page-hero .wrap{position:relative;z-index:1;width:100%;padding-bottom:72px}
.page-hero h1{font-size:clamp(50px,7vw,108px);margin-bottom:24px}
.crumbs{font:500 13px/1 var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--text-tertiary);margin-bottom:26px;display:flex;gap:10px}
.crumbs a:hover{color:var(--accent)}
.specbar{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid var(--border)}
.specbar div{padding:30px 28px;border-left:1px solid var(--border)}
.specbar div:first-child{border-left:0;padding-left:0}
.specbar small{display:block;font:500 12.5px/1 var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--text-tertiary);margin-bottom:12px}
.specbar strong{font-family:var(--font-display);font-stretch:115%;font-size:clamp(28px,3vw,42px);font-weight:750;color:var(--text);letter-spacing:-.02em;line-height:1}
.cap-layout{display:grid;grid-template-columns:260px 1fr;gap:clamp(40px,6vw,96px);align-items:start}
.cap-index{position:sticky;top:110px;display:grid;gap:2px;font-size:15.5px}
.cap-index a{display:flex;gap:14px;padding:12px 0;border-bottom:1px solid var(--border);color:var(--text-tertiary);transition:color .25s}
.cap-index a span{font:500 12.5px/1.8 var(--font-mono);color:var(--text-tertiary)}
.cap-index a:hover,.cap-index a.on{color:var(--text)}
.cap-index a.on span{color:var(--accent)}
.cap{display:grid;grid-template-columns:1fr 1fr;gap:48px;padding-block:72px;border-top:1px solid var(--border);scroll-margin-top:90px}
.cap:first-child{border-top:0;padding-top:0}
.cap .num{font:500 13px/1 var(--font-mono);color:var(--accent);letter-spacing:.12em;margin-bottom:18px}
.cap h2{font-size:clamp(34px,3.6vw,54px);margin-bottom:22px}
.scope-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--border)}
.scope-list li{display:flex;justify-content:space-between;gap:20px;padding:15px 0;border-bottom:1px solid var(--border);color:var(--text)}
.scope-list li::after{content:"+";color:var(--accent);font-family:var(--font-mono)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,96px)}
.picker{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:28px}
.picker button{position:relative;height:84px;border-radius:44px;border:1px solid var(--border-hover);background:var(--surface);color:var(--text);font:500 13px var(--font-mono);letter-spacing:.08em;cursor:pointer;overflow:hidden;transition:border-color .3s}
.picker button::before{content:"";position:absolute;left:0;right:0;bottom:0;height:0;background:var(--fill);transition:height .7s var(--ease);z-index:0}
.picker button span{position:relative;z-index:1}
.picker button:hover{border-color:var(--text)}
.picker button[aria-pressed=true]{border-color:var(--accent)}
.picker button[aria-pressed=true]::before{height:72%}
.picker button[aria-pressed=true] span{color:var(--on-fill)}
.readline{margin-top:18px;font:500 14px/1.5 var(--font-mono);color:var(--text)}
.gallery{display:grid;grid-template-columns:1.4fr 1fr;gap:14px}
.gallery figure{margin:0;position:relative;overflow:hidden;border-radius:var(--radius)}
.gallery img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;filter:brightness(.8) saturate(.85)}
.gallery figcaption{position:absolute;left:14px;bottom:12px}
.next{display:flex;justify-content:space-between;align-items:center;gap:24px;padding-block:56px;border-top:1px solid var(--border)}
.next h3{font-size:clamp(30px,4vw,60px)}

/* Reveal (L2) */
.js .rv{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js .rv.in{opacity:1;transform:none}

/* ============ Responsive (DESIGN.md §9) ============ */
@media (max-width:1100px){
  .nav,.shift{display:none}
  .menu-btn{display:inline-flex;align-items:center}
  .nav.open{display:flex;position:fixed;inset:72px 0 auto;flex-direction:column;align-items:stretch;gap:0;padding:12px var(--gutter) 28px;background:rgba(var(--bg-rgb),.97);border-bottom:1px solid var(--border)}
  .nav.open a:not(.btn){padding:16px 0;border-bottom:1px solid var(--border);font-size:20px}
  .nav.open .btn{margin-top:18px;justify-content:center}
  .head,.solar .grid,.two{grid-template-columns:1fr;gap:28px}
  .bento{grid-template-columns:repeat(2,1fr)}
  .cell.big{grid-column:span 2;min-height:420px}
  .hud{display:none}
  .cap-layout{grid-template-columns:1fr}
  .cap-index{display:none}
  .cap{grid-template-columns:1fr;gap:24px}
}
@media (max-width:760px){
  body{font-size:17px}
  .site-header .wrap{height:72px}
  .brand img{width:150px}
  .hero{min-height:640px}
  .storage{height:auto}
  .storage .stage{position:relative;height:auto;padding-block:96px}
  .storage .grid{grid-template-columns:1fr;gap:40px}
  .tanks{gap:12px}
  .tank .id,.tank .vol{font-size:11.5px}
  .tank .id{left:16px}.tank .vol{right:16px}
  .bento{grid-template-columns:1fr}
  .cell.big,.cell.wide{grid-column:auto}
  .cell.tall,.cell.big{grid-row:auto}
  .cell{min-height:250px}
  .panels{flex-direction:column;height:auto}
  .panel{height:380px;flex:none!important}
  .specbar{grid-template-columns:1fr 1fr}
  .specbar div:nth-child(3){border-left:0;padding-left:0}
  .specbar div{padding:22px 16px}
  .specbar div:nth-child(n+3){border-top:1px solid var(--border)}
  .site-footer .cols{grid-template-columns:1fr 1fr}
  .picker{grid-template-columns:repeat(4,1fr);gap:8px}
  .picker button{height:64px}
  .gallery{grid-template-columns:1fr}
  .next{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
  .site-footer .cols{grid-template-columns:1fr}
  .hero .actions .btn{width:100%;justify-content:space-between}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .storage{height:auto}
  .storage .stage{position:relative;height:auto;padding-block:120px}
  .js .rv{opacity:1;transform:none}
  .js [data-split] .w>span{transform:none!important}
  .reveal-words .rw{opacity:1}
}

/* =====================================================================
   Full-site components (DESIGN.md §4 · added for the 16-page build)
   ===================================================================== */

/* Dropdown navigation */
.dd{position:relative}
.dd>a{position:relative;padding:8px 0;opacity:.82;transition:opacity .2s}
.dd>a::before{content:"";position:absolute;right:-14px;top:50%;width:6px;height:6px;border-right:1.5px solid var(--accent);border-bottom:1.5px solid var(--accent);transform:translateY(-70%) rotate(45deg)}
.dd:hover>a,.dd:focus-within>a{opacity:1}
.dd-menu{position:absolute;left:-22px;top:calc(100% + 14px);min-width:280px;display:grid;padding:10px;border:1px solid var(--border-hover);border-radius:var(--radius);background:rgba(var(--bg-rgb),.96);backdrop-filter:blur(14px);box-shadow:0 24px 60px rgba(var(--bg-rgb),.6);opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .25s,transform .35s var(--ease),visibility .25s}
.dd-menu::before{content:"";position:absolute;left:0;right:0;top:-16px;height:16px}
.dd:hover .dd-menu,.dd:focus-within .dd-menu{opacity:1;visibility:visible;transform:none}
.dd-menu a{padding:11px 14px;border-radius:2px;font-size:15px;opacity:.85;transition:background .2s,opacity .2s}
.dd-menu a:hover,.dd-menu a[aria-current=page]{background:var(--surface-hover);opacity:1}
.dd-menu a[aria-current=page]{color:var(--accent)}
.nav .dd-menu a[aria-current=page]::after{display:none}
body[data-section=company] .nav [data-section=company],
body[data-section=solar] .nav [data-section=solar]{opacity:1}
body[data-section=company] .nav [data-section=company]::after,
body[data-section=solar] .nav [data-section=solar]::after,
body[data-section=capabilities] .nav [data-section=capabilities]>a::after,
body[data-section=projects] .nav [data-section=projects]>a::after,
body[data-section=hse] .nav [data-section=hse]>a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent)}
body[data-section=capabilities] .nav [data-section=capabilities]>a,
body[data-section=projects] .nav [data-section=projects]>a,
body[data-section=hse] .nav [data-section=hse]>a{opacity:1}

/* Blueprint page header (service pages without photography) */
.page-hero.blueprint{background:radial-gradient(70% 60% at 75% 45%,rgba(var(--accent-rgb),.08),transparent 70%),var(--bg)}
.page-hero.blueprint::after{background:linear-gradient(0deg,var(--bg) 0%,transparent 30%)}
.page-hero.blueprint::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(var(--text-rgb),.035) 1px,transparent 1px),linear-gradient(90deg,rgba(var(--text-rgb),.035) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(90deg,transparent,#000 40%)}
.page-hero .art{position:absolute;right:var(--gutter);top:50%;width:min(46vw,620px);transform:translateY(-44%);z-index:1;pointer-events:none}
.art svg{width:100%;height:auto;fill:none;stroke:rgba(var(--text-rgb),.55);stroke-width:1.3;stroke-linecap:round;stroke-linejoin:round}
.art svg .hot{stroke:var(--accent);stroke-width:2}
.art svg .sig{stroke:var(--signal);stroke-width:2}
.js .art svg *{stroke-dasharray:var(--len,1400);stroke-dashoffset:var(--len,1400)}
.art.drawn svg *{stroke-dashoffset:0;transition:stroke-dashoffset 2.6s var(--ease)}
.art .dim{font:500 11px var(--font-mono);fill:var(--text-tertiary);stroke:none;letter-spacing:.1em}
.page-hero .wrap>*{max-width:760px}
.page-hero .wrap>h1{max-width:1080px}
.page-hero.blueprint .wrap>h1{max-width:760px}
.page-hero.compact{min-height:0;padding-top:150px}
.page-hero.compact .wrap{padding-bottom:40px}
.page-hero.compact h1{font-size:clamp(46px,5.6vw,88px)}

/* Tabs */
.tab-list{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 26px}
.tab-list button{min-height:46px;padding:0 18px;border:1px solid var(--border-hover);border-radius:var(--radius);background:none;color:var(--text-secondary);font:500 15px var(--font-body);cursor:pointer;transition:all .25s}
.tab-list button:hover{color:var(--text);border-color:var(--text)}
.tab-list button[aria-selected=true]{background:var(--fill);border-color:var(--fill);color:var(--on-fill);font-weight:600}
.tab-panel{border-left:2px solid var(--accent);padding:4px 0 4px 26px;min-height:150px}
.tab-panel h3{margin-bottom:12px}
.tab-panel:not([hidden]){animation:panel .5s var(--ease)}
@keyframes panel{from{opacity:0;transform:translateY(10px)}}

/* Trio cards (mission / vision / values, service steps) */
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.trio article{position:relative;padding:34px 30px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow:hidden}
.trio article::before{content:"";position:absolute;left:0;top:0;width:100%;height:2px;background:linear-gradient(90deg,var(--accent),transparent)}
.trio .k{font:500 13px/1 var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:22px;display:block}
.trio h3{margin-bottom:12px}
.trio p{margin:0;font-size:16.5px}

/* Numbered rows (responsibility, delivery) */
.rows{border-top:1px solid var(--border)}
.row-item{display:grid;grid-template-columns:110px 1fr 1.2fr;gap:clamp(20px,4vw,60px);padding:44px 0;border-bottom:1px solid var(--border);align-items:start}
.row-item .n{font-family:var(--font-display);font-stretch:118%;font-weight:800;font-size:64px;line-height:.85;color:transparent;-webkit-text-stroke:1.2px var(--accent)}
.row-item h3{font-size:clamp(26px,2.4vw,36px)}
.row-item p{margin:0}

/* HSE principles grid */
.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.principles div{display:flex;flex-direction:column;justify-content:space-between;gap:36px;min-height:210px;padding:28px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);transition:border-color .3s}
.principles div:hover{border-color:rgba(var(--accent-rgb),.5)}
.principles b{font:500 13px/1 var(--font-mono);color:var(--accent);letter-spacing:.12em}
.principles span{font-family:var(--font-display);font-stretch:112%;font-weight:700;font-size:clamp(22px,1.9vw,28px);line-height:1.15;color:var(--text);letter-spacing:-.015em}

/* Partners */
.partners{border-top:1px solid var(--border)}
.partner{display:flex;justify-content:space-between;align-items:baseline;gap:20px;padding:26px 0;border-bottom:1px solid var(--border)}
.partner strong{font-family:var(--font-display);font-stretch:112%;font-weight:700;font-size:clamp(24px,2.4vw,34px);color:var(--text);letter-spacing:-.02em}
.partner span{font:500 13px var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--text-tertiary)}

/* Related links row */
.related{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px}
.related a{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:64px;padding:0 20px;border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-weight:500;transition:border-color .25s,background .25s}
.related a::after{content:"→";color:var(--accent);transition:transform .3s var(--ease)}
.related a:hover{border-color:var(--accent);background:var(--surface)}
.related a:hover::after{transform:translateX(4px)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(40px,6vw,100px);align-items:start}
.contact-card{display:grid;gap:26px}
.contact-card small{display:block;font:500 12.5px/1 var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--text-tertiary);margin-bottom:8px}
.contact-card a,.contact-card p{font-size:clamp(19px,1.6vw,23px);color:var(--text);margin:0;overflow-wrap:anywhere}
.contact-card a:hover{color:var(--accent)}
.flow{padding:clamp(24px,3vw,40px);border:1px solid var(--border-hover);border-radius:var(--radius);background:var(--surface)}
.choices{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:24px}
.choices button{min-height:76px;padding:0 20px;text-align:left;border:1px solid var(--border-hover);border-radius:var(--radius);background:none;color:var(--text);font:500 16px var(--font-body);cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:all .25s}
.choices button::after{content:"→";color:var(--accent)}
.choices button:hover{border-color:var(--accent);background:var(--surface-hover)}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:22px}
.fields label{display:grid;gap:8px;font:500 12.5px/1.2 var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--text-tertiary)}
.fields input,.fields textarea{width:100%;min-height:52px;padding:14px 16px;border:1px solid var(--border-hover);border-radius:var(--radius);background:var(--bg);color:var(--text);font:400 17px var(--font-body);letter-spacing:0;text-transform:none;transition:border-color .2s}
.fields textarea{min-height:150px;resize:vertical}
.fields input:focus,.fields textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(var(--accent-rgb),.2)}
.fields .full{grid-column:1/-1}
.flow-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;align-items:center}
.flow .note{font:400 13px/1.5 var(--font-mono);color:var(--text-tertiary);margin:18px 0 0}
.summary{white-space:pre-wrap;overflow-wrap:anywhere;margin:18px 0 0;padding:20px;border-radius:var(--radius);background:var(--bg);border:1px solid var(--border);color:var(--text);font:400 16px/1.6 var(--font-body)}
.btn-text{background:none;border:0;color:var(--text-secondary);font:500 15px var(--font-body);cursor:pointer;padding:10px 0}
.btn-text:hover{color:var(--text)}

/* Prose (privacy) */
.prose{max-width:760px}
.prose h2{font-size:clamp(28px,2.6vw,38px);margin:48px 0 16px}
.prose p{font-size:18px}

/* Page intro strip */
.intro-strip{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,100px);align-items:start}

@media (max-width:1100px){
  .nav.open .dd>a::before{display:none}
  .nav.open .dd-menu{position:static;opacity:1;visibility:visible;transform:none;min-width:0;padding:0 0 10px 14px;border:0;background:none;box-shadow:none;backdrop-filter:none}
  .nav.open .dd-menu a:first-child{display:none}
  .nav.open .dd-menu a{padding:10px 0;font-size:16px}
  .nav.open .dd>a{display:block;padding:16px 0 8px;font-size:20px;border-bottom:0}
  .page-hero .art{opacity:.35;width:70vw;right:-8vw}
  .trio,.principles{grid-template-columns:1fr 1fr}
  .row-item{grid-template-columns:80px 1fr}
  .row-item p{grid-column:2}
  .contact-grid,.intro-strip{grid-template-columns:1fr}
}
@media (max-width:760px){
  .trio,.principles,.choices,.fields{grid-template-columns:1fr}
  .row-item{grid-template-columns:1fr;gap:14px;padding:32px 0}
  .row-item p{grid-column:auto}
  .row-item .n{font-size:48px}
  .partner{flex-direction:column;gap:6px}
  .page-hero .art{display:none}
  .principles div{min-height:0}
}
@media (prefers-reduced-motion:reduce){.js .art svg *{stroke-dashoffset:0!important}}

/* Utilities */
.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}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.flow .note.error{color:var(--error)}