/* Utilyst — Utility Brain. On-prem spatial AI for utilities. */
:root{
  --teal-900:#062e29; --teal-700:#095C53; --teal-500:#1a7a85; --cyan:#2BB6C1;
  --gold:#FEC951; --gold-700:#f4a623;
  --ink:#0f172a; --body:#475569; --muted:#64748b;
  --line:#e2e8f0; --surface:#f8fafb; --surface-2:#f1f5f5; --white:#fff;
  --radius:14px; --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(6,46,41,.06),0 1px 3px rgba(6,46,41,.05);
  --shadow-md:0 4px 14px rgba(6,46,41,.09);
  --shadow-lg:0 18px 44px rgba(6,46,41,.16);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--white);color:var(--body);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{color:var(--ink);line-height:1.15;margin:0;letter-spacing:-.022em;font-weight:800}
h1{font-size:clamp(2.4rem,6vw,4.3rem);letter-spacing:-.03em}
h2{font-size:clamp(1.9rem,3.8vw,3rem)}
h3{font-size:1.3rem;font-weight:700}
p{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.narrow{max-width:900px;margin:0 auto}
section{padding:88px 0}
.bg-surface{background:var(--surface)}

/* ---- header ---- */
.hdr{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:center;gap:28px;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.32rem;color:var(--teal-700);letter-spacing:-.02em}
.brand img{width:32px;height:32px}
.nav{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav a{font-size:.94rem;font-weight:600;color:var(--body);transition:color .18s}
.nav a:hover{color:var(--teal-700)}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line);
  border-radius:10px;padding:8px 10px;cursor:pointer;color:var(--teal-700)}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:11px;font-weight:700;font-size:1rem;
  border:2px solid transparent;cursor:pointer;transition:transform .16s,box-shadow .16s,background .16s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn-gold{background:var(--gold);border-color:var(--gold);color:var(--teal-700);box-shadow:var(--shadow-md)}
.btn-gold:hover{background:#ffd470;box-shadow:var(--shadow-lg)}
.btn-ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.42);color:#fff;backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.2)}
.btn-teal{background:var(--teal-700);border-color:var(--teal-700);color:#fff}
.btn-teal:hover{background:#0a6e63}
.btn-sm{padding:10px 18px;font-size:.92rem}

/* ---- hero ---- */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;
  overflow:hidden;background:#111827;padding:110px 0 80px}
.hero-bg{position:absolute;inset:0;background:url(../assets/img/digital-twin.webp) center/cover no-repeat;
  opacity:.3;filter:blur(2px);transform:scale(1.05)}
.hero-grad{position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(6,46,41,.95) 0%,rgba(9,92,83,.92) 50%,rgba(26,122,133,.88) 100%)}
.hero-in{position:relative;z-index:2;max-width:980px;margin:0 auto;text-align:center;color:#fff}
.hero h1{color:#fff;margin-bottom:26px}
.hero-sub{font-size:clamp(1.15rem,2.2vw,1.75rem);color:rgba(255,255,255,.9);
  font-weight:300;line-height:1.5;max-width:720px;margin:0 auto 38px}
.ts-badge{display:inline-flex;align-items:center;gap:10px;margin-bottom:28px;
  padding:9px 20px 9px 12px;border-radius:999px;background:rgba(254,201,81,.14);
  border:1px solid rgba(254,201,81,.45);color:var(--gold);
  font-size:.86rem;font-weight:700;letter-spacing:.02em}
.ts-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--gold);
  box-shadow:0 0 0 4px rgba(254,201,81,.22)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:680px;margin:0 auto;
  background:rgba(255,255,255,.1);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.2);
  border-radius:var(--radius);padding:22px}
.stat-v{font-size:clamp(1.6rem,3.6vw,2.3rem);font-weight:800;color:var(--gold);line-height:1.1}
.stat-l{font-size:.86rem;color:rgba(255,255,255,.8);margin-top:7px;line-height:1.35}
.hero-cta{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin:34px 0 14px}
.hero-note{font-size:.88rem;color:rgba(255,255,255,.6);display:flex;align-items:center;justify-content:center;gap:7px}
.scroll-hint{margin-top:46px;display:inline-flex;flex-direction:column;align-items:center;gap:8px;
  opacity:.8;cursor:pointer;transition:opacity .2s}
.scroll-hint:hover{opacity:1}
.scroll-hint span{font-size:.72rem;font-weight:700;text-transform:uppercase;
  letter-spacing:.17em;color:rgba(255,255,255,.6)}
.scroll-hint svg{color:var(--gold);filter:drop-shadow(0 0 8px rgba(254,201,81,.5));animation:bob 1.9s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(8px)}}

/* ---- section heads ---- */
.pill{display:inline-block;padding:8px 17px;border-radius:999px;
  background:rgba(9,92,83,.1);color:var(--teal-700);font-size:.86rem;font-weight:700;margin-bottom:22px}
.sec-head{text-align:center;max-width:820px;margin:0 auto 56px}
.sec-head h2{margin-bottom:16px}
.sec-head h2.teal{color:var(--teal-700)}
.sec-head p{font-size:1.14rem;color:var(--body)}

/* ---- cards grid ---- */
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:26px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px;display:flex;flex-direction:column;height:100%;transition:box-shadow .22s,transform .22s}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.card.on-white{background:var(--white)}
.ico{width:58px;height:58px;border-radius:14px;display:flex;align-items:center;
  justify-content:center;margin-bottom:20px;flex-shrink:0}
.ico svg{width:30px;height:30px}
.ico-cyan{background:var(--cyan);color:#fff}
.ico-gold{background:var(--gold);color:var(--teal-700)}
.ico-teal{background:var(--teal-700);color:#fff}
.card h3{margin-bottom:11px}
.card p{color:var(--body);margin-bottom:16px}
.in-practice{margin-top:auto;background:var(--white);border:1px solid var(--line);
  border-radius:11px;padding:14px 16px}
.card.on-white .in-practice{background:var(--surface-2)}
.in-practice .lbl{font-size:.72rem;font-weight:700;color:var(--teal-700);
  text-transform:uppercase;letter-spacing:.08em;margin-bottom:5px}
.in-practice p{font-size:.9rem;color:#334155;margin:0}

/* ---- capability cards ---- */
.cap{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;display:flex;flex-direction:column;height:100%;box-shadow:var(--shadow-sm);
  transition:box-shadow .22s,transform .22s}
.cap:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.cap-top{padding:28px 28px 0}
.cap-bar{height:5px}
.cap-bar.g1{background:linear-gradient(90deg,var(--teal-700),var(--cyan))}
.cap-bar.g2{background:linear-gradient(90deg,var(--gold),var(--gold-700))}
.cap-bar.g3{background:linear-gradient(90deg,var(--cyan),var(--teal-500))}
.cap h3{margin-bottom:12px}
.cap > .cap-body{padding:0 28px 28px;display:flex;flex-direction:column;flex:1}
.cap-body p{color:var(--body);margin-bottom:14px}
.plain{background:var(--surface-2);border-left:3px solid var(--cyan);
  border-radius:0 10px 10px 0;padding:13px 16px;font-size:.93rem;color:#334155;margin-bottom:18px}
.ticks{list-style:none;margin:auto 0 0;padding:0;display:flex;flex-direction:column;gap:10px}
.ticks li{display:flex;gap:9px;align-items:flex-start;font-size:.94rem;color:#334155}
.ticks svg{width:17px;height:17px;flex-shrink:0;margin-top:3px;color:var(--cyan)}
.ticks.gold svg{color:var(--gold-700)}
.ticks.teal svg{color:var(--teal-700)}

/* ---- Utility Brain demo ---- */
.brain{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow-sm)}
.brain-qs{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:26px}
.qbtn{padding:11px 19px;border-radius:11px;border:1.5px solid var(--line);background:var(--white);
  color:var(--body);font-size:.92rem;font-weight:600;font-family:inherit;cursor:pointer;
  transition:border-color .18s,background .18s,color .18s;text-align:left}
.qbtn:hover{border-color:var(--cyan);color:var(--teal-700)}
.qbtn[aria-selected="true"]{border-color:var(--gold);background:rgba(254,201,81,.14);color:var(--teal-700)}
.brain-answer{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.ba-q{display:flex;gap:11px;align-items:flex-start;margin-bottom:16px;
  padding-bottom:16px;border-bottom:1px solid var(--line)}
.ba-q svg{width:20px;height:20px;color:var(--teal-700);flex-shrink:0;margin-top:3px}
.ba-q p{font-weight:700;color:var(--ink)}
.ba-a{display:flex;gap:11px;align-items:flex-start}
.ba-a .av{width:30px;height:30px;border-radius:9px;background:var(--teal-700);color:#fff;
  display:flex;align-items:center;justify-content:center;flex-shrink:0}
.ba-a .av svg{width:17px;height:17px}
.ba-a p{color:#334155}
.brain-foot{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between;
  margin-top:20px;padding-top:16px;border-top:1px solid var(--line);font-size:.82rem;color:var(--muted)}
.brain-foot strong{color:var(--teal-700);font-weight:700}

/* ---- industries ---- */
.grid-ind{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:24px}
.ind{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:var(--white);
  display:flex;flex-direction:column;height:100%;transition:box-shadow .22s,transform .22s}
.ind:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.ind-img{position:relative;height:178px;flex-shrink:0;overflow:hidden}
.ind-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.ind:hover .ind-img img{transform:scale(1.05)}
.ind-img::after{content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(0,0,0,.65),transparent)}
.ind-tag{position:absolute;bottom:13px;left:13px;z-index:2;display:flex;align-items:center;gap:9px}
.ind-tag .chip{width:32px;height:32px;border-radius:9px;background:rgba(255,255,255,.2);
  backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;color:#fff}
.ind-tag .chip svg{width:16px;height:16px}
.ind-tag b{color:#fff;font-size:.95rem;font-weight:700}
.ind-body{padding:21px;display:flex;flex-direction:column;flex:1}
.ind-body > p{font-size:.92rem;margin-bottom:13px}
.ind-body .ticks{margin-bottom:16px}
.ind-body .ticks svg{color:var(--teal-700)}
.integration{margin-top:auto;padding-top:13px;border-top:1px solid #f1f5f9;
  display:flex;gap:7px;align-items:flex-start;font-size:.78rem;color:var(--muted);line-height:1.4}
.integration svg{width:14px;height:14px;color:var(--cyan);flex-shrink:0;margin-top:2px}

/* ---- backed by / techstars ---- */
.backed{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:34px;margin-top:10px}
.backed-card{text-align:center;background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:34px 28px;transition:box-shadow .22s,border-color .22s}
.backed-card:hover{box-shadow:var(--shadow-md);border-color:var(--cyan)}
.backed-card.feature{border-color:rgba(254,201,81,.65);background:linear-gradient(180deg,rgba(254,201,81,.07),var(--white))}
.backed-card h3{font-size:1.5rem;margin-bottom:9px}
.backed-card > p{color:var(--body);margin-bottom:24px}
.backed-card img{height:168px;width:100%;max-width:300px;margin:0 auto;object-fit:contain;
  transition:transform .2s}
.backed-card a:hover img{transform:scale(1.03)}
.ext{display:inline-flex;align-items:center;gap:5px;margin-top:16px;
  font-size:.78rem;font-weight:600;color:var(--cyan)}
.ext svg{width:12px;height:12px}

/* ---- recognition grid ---- */
.rec-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(188px,1fr));gap:18px}
.rec{display:flex;flex-direction:column;align-items:center;height:100%;padding:20px 16px;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  transition:border-color .2s,box-shadow .2s}
.rec:hover{border-color:var(--cyan);box-shadow:var(--shadow-md)}
.rec-logo{height:62px;width:100%;display:flex;align-items:center;justify-content:center;margin-bottom:13px}
.rec-logo img{max-height:54px;max-width:142px;width:auto;height:auto;object-fit:contain}
.rec h4{font-size:.88rem;font-weight:700;text-align:center;line-height:1.35;margin-bottom:4px;
  transition:color .2s}
.rec:hover h4{color:var(--teal-700)}
.rec p{font-size:.72rem;color:var(--muted);text-align:center;line-height:1.4}
.ph{width:48px;height:48px;border-radius:11px;background:var(--teal-700);color:#fff;
  display:flex;align-items:center;justify-content:center}
.ph svg{width:23px;height:23px}

/* ---- deploy ---- */
.dep-list{list-style:none;margin:auto 0 0;padding:0;display:flex;flex-direction:column;gap:11px}
.dep-list li{display:flex;gap:9px;align-items:flex-start;font-size:.92rem;color:#334155}
.dep-list svg{width:16px;height:16px;color:var(--teal-700);flex-shrink:0;margin-top:3px}

/* ---- mid cta ---- */
.mid-cta{background:linear-gradient(120deg,var(--teal-900),var(--teal-700) 60%,var(--teal-500));
  padding:0}
.mid-cta .wrap{padding:52px 24px}
.mid-cta-in{display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:center;
  text-align:center;max-width:900px;margin:0 auto}
.mid-cta p{font-size:clamp(1.1rem,2vw,1.35rem);font-weight:700;color:#fff}

/* ---- final cta ---- */
.cta{position:relative;background:linear-gradient(135deg,var(--teal-900),var(--teal-700) 55%,var(--teal-500));
  color:#fff;text-align:center;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 50% 0%,rgba(43,182,193,.3),transparent 62%)}
.cta-in{position:relative;z-index:2;max-width:820px;margin:0 auto}
.cta h2{color:#fff;margin-bottom:18px}
.cta > .wrap > .cta-in > p{font-size:1.16rem;color:rgba(255,255,255,.88);margin-bottom:12px}
.cta-note{font-size:.88rem;color:rgba(255,255,255,.6);margin-bottom:34px!important;
  display:flex;align-items:center;justify-content:center;gap:7px}
.cta-btns{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}

/* ---- footer ---- */
.ft{background:var(--teal-900);color:rgba(255,255,255,.85);padding:62px 0 0;font-size:.94rem}
.ft-news{text-align:center;max-width:620px;margin:0 auto 52px;padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.14)}
.ft-news h3{color:#fff;font-size:1.4rem;margin-bottom:10px}
.ft-news p{color:rgba(255,255,255,.8);margin-bottom:22px}
.ft-form{display:flex;flex-wrap:wrap;gap:12px;max-width:440px;margin:0 auto}
.ft-form input{flex:1;min-width:200px;padding:12px 16px;border-radius:11px;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.1);color:#fff;
  font-family:inherit;font-size:.95rem}
.ft-form input::placeholder{color:rgba(255,255,255,.65)}
.ft-form input:focus{outline:2px solid var(--cyan);outline-offset:1px}
.ft-form button{padding:12px 24px;border-radius:11px;border:none;background:var(--cyan);
  color:var(--teal-900);font-weight:700;font-family:inherit;font-size:.95rem;cursor:pointer;transition:background .18s}
.ft-form button:hover{background:#45c7d1}
.ft-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:34px}
.ft-brand{display:flex;align-items:center;gap:10px;margin-bottom:15px;color:#fff;
  font-weight:800;font-size:1.45rem;letter-spacing:-.02em}
.ft-brand img{width:32px;height:32px}
.ft-about{color:rgba(255,255,255,.88);margin-bottom:18px;max-width:430px}
.ft-meta{display:flex;flex-direction:column;gap:9px;font-size:.89rem;color:rgba(255,255,255,.85)}
.ft-meta div{display:flex;gap:9px;align-items:center}
.ft-meta svg{width:16px;height:16px;flex-shrink:0;color:var(--cyan)}
.ft h4{color:var(--cyan);font-size:.98rem;font-weight:700;margin-bottom:15px}
.ft ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.ft ul a{font-size:.9rem;color:rgba(255,255,255,.85);transition:color .18s}
.ft ul a:hover{color:var(--cyan)}
.ft-social{display:flex;gap:14px;margin-top:22px}
.ft-social a{color:rgba(255,255,255,.85);transition:color .18s}
.ft-social a:hover{color:var(--cyan)}
.ft-social svg{width:20px;height:20px}
.ft-bot{margin-top:46px;padding:26px 0;border-top:1px solid rgba(255,255,255,.14);text-align:center}
.ft-bot p{font-size:.78rem;color:rgba(255,255,255,.6);line-height:1.6}
.ft-bot p + p{margin-top:7px;font-size:.84rem;color:rgba(255,255,255,.75)}

/* ---- reveal ---- */
.rv{opacity:0;transform:translateY(20px);transition:opacity .5s ease-out,transform .5s ease-out}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  .scroll-hint svg{animation:none}
  .btn:hover,.card:hover,.cap:hover,.ind:hover{transform:none}
  html{scroll-behavior:auto}
}

/* ---- responsive ---- */
@media (max-width:900px){
  .ft-grid{grid-template-columns:1fr 1fr}
  .ft-grid > div:first-child{grid-column:1/-1}
}
@media (max-width:760px){
  section{padding:62px 0}
  .nav{display:none;position:absolute;top:70px;left:0;right:0;flex-direction:column;
    align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-md);padding:8px 0;margin:0}
  .nav.open{display:flex}
  .nav a{padding:13px 24px;border-bottom:1px solid var(--surface-2)}
  .nav .btn{margin:12px 24px}
  .menu-btn{display:block}
  .hero{min-height:auto;padding:76px 0 60px}
  .stats{grid-template-columns:1fr;gap:16px;text-align:left;padding:18px}
  .stats > div{display:flex;align-items:baseline;gap:12px}
  .stat-l{margin-top:0}
  .hero-cta .btn,.cta-btns .btn{width:100%}
  .brain{padding:20px}
  .qbtn{width:100%}
  .backed-card img{height:130px}
}
@media (max-width:420px){
  .rec-grid{grid-template-columns:1fr 1fr;gap:12px}
  .rec-logo img{max-width:110px}
}