/* ===== FROSTRACK — light theme + tabbed shell ===== */
:root{
  --bg:#f2f7fc;
  --surface:#ffffff;
  --surface2:#e9f1fa;
  --surface3:#dde9f6;
  --ink:#0e2537;
  --ink2:#33506a;
  --dim:#6a8299;
  --line:#d3e2f0;
  --blue:#1a7fd0;
  --blue-d:#0f5fa4;
  --blue-l:#e7f1fb;
  --navy:#12314c;
  --panel:#0e2240;
  --cad-filter:none;
  --maxw:1080px;
  --r:16px;
  --shadow:0 10px 30px -12px rgba(20,60,100,.20);
  --shadow2:0 18px 44px -18px rgba(20,60,100,.28);
  --grad:linear-gradient(180deg,#39a0ea 0%,#1a7fd0 55%,#0f5fa4 100%);
  --grad-h:linear-gradient(100deg,#39a0ea,#1a7fd0 60%,#0f5fa4);
  --rail-w:198px;
  --nav-h:104px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px}

/* type */
.eyebrow,.kicker{font-family:'Rajdhani',sans-serif;text-transform:uppercase;letter-spacing:.16em;
  font-weight:700;font-size:clamp(1.05rem,2.3vw,1.7rem);line-height:1.25;color:var(--blue-d)}
.kicker{display:inline-block;margin-bottom:10px}
.kicker--center{display:block;text-align:center}
.eyebrow--xl{font-size:clamp(1.05rem,2.3vw,1.7rem);letter-spacing:.16em;line-height:1.25;
  color:var(--blue-d);margin-bottom:14px;font-weight:700;
  text-shadow:0 1px 0 rgba(255,255,255,.8)}
.eb-br{display:none}
.grad{background:var(--grad-h);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent}
.section__title{font-size:clamp(1.6rem,3.1vw,2.4rem);font-weight:800;line-height:1.14;
  letter-spacing:-.02em;max-width:20ch;color:var(--ink)}
.section__title--center{margin:0 auto;text-align:center;max-width:24ch}
.lead{font-size:1.08rem;color:var(--ink2);margin-top:16px;max-width:60ch}
.lead--center{margin:16px auto 0;text-align:center}
p{color:var(--ink2)}

/* ===== NAV ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav__inner{max-width:1320px;margin:0 auto;padding:14px 22px;display:flex;align-items:center;justify-content:center}
.nav__brand{display:block;line-height:0}
.nav__logo{height:74px;width:auto}

/* ===== SHELL / RAIL / STAGE ===== */
.shell{display:flex;padding-top:var(--nav-h);min-height:100vh}
.rail{position:fixed;top:var(--nav-h);bottom:0;left:0;width:var(--rail-w);background:var(--surface);
  border-right:1px solid var(--line);overflow-y:auto;z-index:40}
.rail__inner{display:flex;flex-direction:column;gap:4px;padding:18px 12px}
.tab{display:flex;align-items:center;gap:12px;width:100%;text-align:left;cursor:pointer;
  font-family:'Inter',sans-serif;font-size:.95rem;font-weight:600;color:var(--ink2);
  background:transparent;border:1px solid transparent;border-radius:11px;padding:11px 13px;transition:.18s}
.tab:hover{background:var(--blue-l);color:var(--ink)}
.tab.is-on{background:var(--grad);color:#fff;border-color:transparent;
  box-shadow:0 8px 20px -10px rgba(26,127,208,.75)}
.tab__ic{width:22px;height:22px;flex:0 0 22px;display:grid;place-items:center;color:var(--blue);transition:.18s}
.tab__ic svg{width:21px;height:21px;display:block}
.rail__cta{display:block;text-align:center;margin-top:16px;padding:12px 16px;border-radius:11px;
  background:var(--grad);color:#fff;font-weight:700;font-size:.95rem;
  box-shadow:0 10px 22px -10px rgba(26,127,208,.7);transition:.18s}
.rail__cta:hover{filter:brightness(1.07);transform:translateY(-1px)}
.tab:hover .tab__ic{color:var(--blue-d)}
.tab.is-on .tab__ic{color:#fff}
.stage{flex:1;margin-left:var(--rail-w);min-width:0}
.panel{display:none}
.panel.is-on{display:block;animation:fadein .3s ease}
@keyframes fadein{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ===== SECTIONS ===== */
.section{padding:70px 0;position:relative}
.section--alt{background:var(--surface2)}
.section--dark{background:linear-gradient(180deg,var(--surface3),var(--surface2))}
.section--feature{background:radial-gradient(100% 120% at 50% 0%,rgba(26,127,208,.10),transparent 60%),var(--surface2)}
.section--video{background:var(--surface)}
.section--cta{background:radial-gradient(90% 120% at 50% 0%,rgba(26,127,208,.14),transparent 55%),var(--surface2);text-align:center}

/* ===== HERO ===== */
.hero{position:relative}
.hero--video{padding:56px 0 60px;text-align:center;
  background:radial-gradient(120% 85% at 50% -10%,rgba(26,127,208,.16),transparent 58%),
    linear-gradient(180deg,#ffffff,var(--bg))}
.hero__content{max-width:940px;margin:0 auto;padding:0 26px;display:flex;flex-direction:column;align-items:center}
.hero h1{font-size:clamp(2rem,4.6vw,3.4rem);font-weight:900;line-height:1.06;letter-spacing:-.03em;
  margin:6px 0 0;max-width:17ch;color:var(--ink)}
.hero__sub{font-size:1.06rem;color:var(--ink2);margin:18px auto 0;max-width:62ch}
.hero__video{width:100%;max-width:820px;margin:26px auto 2px;border-radius:var(--r);overflow:hidden;
  border:1px solid var(--line);background:#000;box-shadow:var(--shadow2)}
.hero__video video{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;background:#000}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px;justify-content:center}
.hero__trust{list-style:none;display:flex;flex-wrap:wrap;gap:8px 24px;margin-top:22px;justify-content:center}
.hero__trust li{position:relative;padding-left:20px;font-size:.92rem;color:var(--ink2);font-weight:600}
.hero__trust li::before{content:"";position:absolute;left:0;top:.55em;width:10px;height:10px;border-radius:50%;
  background:var(--grad)}
.patlink{color:var(--blue-d);border-bottom:1px solid rgba(26,127,208,.45)}
.patlink:hover{color:var(--blue);border-bottom-color:var(--blue)}
.hero__scroll{display:none}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:.98rem;
  padding:13px 26px;border-radius:999px;transition:.2s;cursor:pointer;white-space:nowrap}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px -10px rgba(26,127,208,.6)}
.btn--primary:hover{filter:brightness(1.07);transform:translateY(-2px)}
.btn--ghost{border:1.5px solid var(--line);color:var(--ink);background:var(--surface)}
.btn--ghost:hover{border-color:var(--blue);color:var(--blue-d);transform:translateY(-2px)}
.btn--lg{padding:15px 30px;font-size:1.02rem}

/* cards shared */
.problem__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:16px;margin-top:34px}
.problem__card,.benefit,.stat,.eco__card,.node,.step,.howstep,.path,.contact__card,.vidcard{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.problem__card{padding:22px;transition:.22s}
.problem__card:hover{transform:translateY(-3px);border-color:var(--blue);box-shadow:var(--shadow2)}
.problem__card h3{font-size:1.06rem;margin-bottom:7px;color:var(--ink)}
.problem__card p{color:var(--dim);font-size:.94rem}

/* hazard / control grid */
.hzcount{margin:14px auto 0;text-align:center;font-size:1.12rem;color:var(--ink2)}
.hzcount b{color:var(--ink);font-weight:800}
.hzcount #hzCount{color:var(--blue-d)}
.hzlead{margin:18px auto 0;max-width:74ch;text-align:center;color:var(--ink2);font-size:1.06rem}
.hzbadge{display:inline-flex;align-items:center;gap:9px;margin:22px auto 0;font-family:'Rajdhani',sans-serif;
  font-weight:700;text-transform:uppercase;letter-spacing:.1em;font-size:.95rem;background:var(--blue-l);
  border:1px solid rgba(26,127,208,.35);color:var(--blue-d);padding:10px 18px;border-radius:999px}
.hazards{display:grid;gap:14px;margin-top:34px}
.hz{display:grid;grid-template-columns:1fr 1fr;gap:0;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);transition:.22s}
.hz:hover{border-color:var(--blue);box-shadow:var(--shadow2);transform:translateY(-2px)}
.hz__risk,.hz__fix{padding:20px 22px}
.hz__risk{background:#fdf3f2;border-right:1px solid var(--line)}
.hz__fix{background:var(--surface)}
.hz h4{font-size:1rem;margin-bottom:6px;color:var(--ink);display:flex;align-items:center;gap:8px}
.hz__tag{font-family:'Rajdhani',sans-serif;font-size:.72rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;padding:3px 9px;border-radius:999px;white-space:nowrap}
.hz__risk .hz__tag{background:#f6dedb;color:#a13b2c}
.hz__fix .hz__tag{background:var(--blue-l);color:var(--blue-d)}
.hz p{font-size:.94rem;color:var(--ink2);line-height:1.55}

/* two-col blocks */
.shift,.product,.different{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.shift__media img,.product__media img,.different__media img{border-radius:var(--r);
  box-shadow:var(--shadow2);border:1px solid var(--line)}
.product__media img{background:#fff;padding:12px}
.shift__tag{margin-top:22px;display:inline-flex;align-items:center;gap:10px;font-family:'Rajdhani',sans-serif;
  font-weight:700;text-transform:uppercase;letter-spacing:.09em;font-size:.92rem;background:var(--blue-l);
  border:1px solid rgba(26,127,208,.35);color:var(--blue-d);padding:9px 16px;border-radius:999px}
.shift__tag span{color:var(--blue);font-size:1.1rem}

/* ticks */
.ticks{list-style:none;margin-top:20px;display:grid;gap:10px}
.ticks--two{grid-template-columns:1fr 1fr;gap:10px 22px}
.ticks li{position:relative;padding-left:28px;color:var(--ink2)}
.ticks li::before{content:"";position:absolute;left:0;top:.35em;width:17px;height:17px;border-radius:5px;background:var(--grad)}
.ticks li::after{content:"✓";position:absolute;left:4px;top:.2em;color:#fff;font-size:.74rem;font-weight:900}

/* ecosystem map */
.ecomap{position:relative;margin:40px auto 0;max-width:1000px;display:grid;
  grid-template-columns:1fr 1.25fr 1fr;grid-template-rows:auto auto auto;gap:20px 36px;align-items:center}
.ecomap__lines{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:.55}
.node{position:relative;z-index:1;overflow:hidden;transition:.22s}
.node:hover{transform:translateY(-3px);border-color:var(--blue);box-shadow:var(--shadow2)}
.node__img{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--panel)}
.node__img img{width:100%;height:100%;object-fit:cover;display:block;transition:.5s;filter:var(--cad-filter)}
.node:hover .node__img img{transform:scale(1.05)}
.node__img--future img{opacity:.5}
.node__img--future{display:grid;place-items:center}
.future__q{position:absolute;inset:0;display:grid;place-items:center;font-family:'Rajdhani',sans-serif;
  font-weight:700;font-size:3.4rem;color:var(--blue);text-shadow:0 2px 10px rgba(255,255,255,.9);z-index:2}
.node__txt{padding:13px 15px 15px}
.node__txt h3{font-size:1rem;color:var(--blue-d);margin-bottom:3px}
.node__txt p{font-size:.85rem;color:var(--dim);line-height:1.4}
.node--util{grid-column:1;grid-row:1}.node--power{grid-column:3;grid-row:1}
.node--over{grid-column:1;grid-row:2}.node--load{grid-column:3;grid-row:2}
.node--marine{grid-column:1;grid-row:3}.node--future{grid-column:3;grid-row:3}
.hub{grid-column:2;grid-row:2;position:relative;z-index:2;text-align:center;background:var(--surface);
  border:2px solid var(--blue);border-radius:20px;padding:16px 16px 20px;box-shadow:0 18px 40px -18px rgba(26,127,208,.55)}
.hub__img{background:var(--panel);border:1px solid var(--line);border-radius:13px;overflow:hidden;
  aspect-ratio:4/3;display:grid;place-items:center}
.hub__img img{width:100%;height:100%;object-fit:cover;display:block;filter:var(--cad-filter)}
.hub__label{margin-top:12px;display:flex;flex-direction:column;align-items:center;gap:2px}
.hub__name{font-family:'Rajdhani',sans-serif;font-weight:700;letter-spacing:.06em;font-size:1.42rem;
  background:var(--grad-h);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  color:transparent;line-height:1}
.hub__sub{font-family:'Rajdhani',sans-serif;font-weight:600;letter-spacing:.26em;font-size:.7rem;color:var(--dim)}

/* steps */
.steps{list-style:none;margin-top:34px;display:grid;gap:12px;max-width:760px}
.step{display:flex;gap:18px;align-items:flex-start;padding:18px 22px;transition:.22s}
.step:hover{border-color:var(--blue);transform:translateX(3px)}
.step__n{flex:0 0 auto;width:40px;height:40px;border-radius:11px;background:var(--grad);color:#fff;
  font-weight:900;font-size:1.2rem;display:grid;place-items:center}
.step h3{font-size:1.05rem;margin-bottom:2px;color:var(--ink)}
.step p{color:var(--dim);font-size:.94rem}

/* how it works */
.howsteps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:38px}
.howstep{position:relative;overflow:hidden;transition:.22s;padding-bottom:4px}
.howstep:hover{transform:translateY(-3px);border-color:var(--blue);box-shadow:var(--shadow2)}
.howstep__n{position:absolute;top:11px;left:11px;z-index:2;width:32px;height:32px;border-radius:9px;
  background:var(--grad);color:#fff;font-family:'Rajdhani',sans-serif;font-weight:700;font-size:1.14rem;
  display:grid;place-items:center;box-shadow:0 6px 14px -5px rgba(26,127,208,.8)}
.howstep__img{aspect-ratio:4/3;overflow:hidden;background:var(--panel)}
.howstep__img img{width:100%;height:100%;object-fit:cover;display:block;filter:var(--cad-filter)}
.howstep h3{font-size:1.04rem;margin:14px 15px 5px;color:var(--ink)}
.howstep p{font-size:.88rem;color:var(--dim);margin:0 15px 13px;line-height:1.5}
.how-note{margin:22px auto 0;max-width:70ch;text-align:center;color:var(--ink2);background:var(--blue-l);
  border:1px solid rgba(26,127,208,.3);border-radius:14px;padding:15px 20px;font-size:.96rem}
.how-note strong{color:var(--blue-d)}

/* video */
.video{margin:34px auto 0;max-width:840px;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow2);background:#000}
.video video{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;background:#000}
.vidgrid__lead{text-align:center;color:var(--ink2);font-size:1rem;margin:32px auto 20px;max-width:60ch}
.vidgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:980px;margin:0 auto}
.vidcard{margin:0;overflow:hidden;background:#000}
.vidcard video{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;background:#000}
.vidcard figcaption{padding:11px 13px;font-size:.88rem;font-weight:600;color:var(--ink);background:var(--surface)}

/* gallery */
.gal-filter{display:flex;flex-wrap:wrap;justify-content:center;gap:9px;margin:28px 0 24px}
.chip{font-family:'Inter',sans-serif;font-weight:600;font-size:.9rem;color:var(--ink2);background:var(--surface);
  border:1px solid var(--line);border-radius:999px;padding:9px 18px;cursor:pointer;transition:.2s}
.chip:hover{color:var(--blue-d);border-color:var(--blue)}
.chip.is-active{color:#fff;background:var(--grad);border-color:transparent;box-shadow:0 8px 18px -8px rgba(26,127,208,.65)}
.gal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;grid-auto-flow:dense}
.gal-item{position:relative;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);cursor:pointer;aspect-ratio:4/3;transition:.3s}
.gal-item--wide{grid-column:span 2;aspect-ratio:auto}
.gal-item img{width:100%;height:100%;object-fit:cover;display:block;transition:.5s}
.gal-item:hover{border-color:var(--blue);box-shadow:var(--shadow2)}
.gal-item:hover img{transform:scale(1.05)}
.gal-item figcaption{position:absolute;left:0;right:0;bottom:0;padding:28px 16px 13px;font-size:.92rem;
  font-weight:600;color:#fff;pointer-events:none;background:linear-gradient(180deg,transparent,rgba(8,32,54,.92))}
.gal-item figcaption em{color:#8fd0ff;font-style:normal}
.gal-item.is-hidden{display:none}

/* lightbox */
.lightbox{position:fixed;inset:0;z-index:100;display:none;place-items:center;background:rgba(10,30,50,.9);
  backdrop-filter:blur(6px);padding:40px}
.lightbox.is-open{display:grid}
.lb-stage{margin:0;max-width:min(1100px,92vw);max-height:86vh;display:flex;flex-direction:column;gap:12px}
.lb-img{max-width:100%;max-height:78vh;object-fit:contain;border-radius:12px;box-shadow:0 30px 80px -20px rgba(0,0,0,.7)}
.lb-cap{text-align:center;color:#dbe9f6;font-size:.95rem}
.lb-cap em{color:#8fd0ff;font-style:normal}
.lb-btn{position:fixed;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);color:#fff;
  cursor:pointer;border-radius:50%;display:grid;place-items:center;transition:.2s}
.lb-btn:hover{background:var(--blue);border-color:transparent}
.lb-close{top:22px;right:26px;width:44px;height:44px;font-size:1.5rem;line-height:1}
.lb-prev,.lb-next{top:50%;transform:translateY(-50%);width:52px;height:52px;font-size:1.9rem;line-height:1}
.lb-prev{left:22px}.lb-next{right:22px}

/* stats / benefits / paths */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:36px}
.stat{padding:26px 22px;text-align:center;transition:.22s}
.stat:hover{border-color:var(--blue);transform:translateY(-3px);box-shadow:var(--shadow2)}
.stat__num{display:block;font-family:'Rajdhani',sans-serif;font-weight:700;font-size:clamp(2rem,3.6vw,2.8rem);
  line-height:1;background:var(--grad-h);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent}
.stat__label{display:block;margin-top:10px;color:var(--dim);font-size:.92rem}
.market__note{text-align:center;color:var(--dim);font-size:.84rem;margin-top:26px;max-width:70ch;margin-inline:auto}
.benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:36px}
.benefit{padding:24px;transition:.22s}
.benefit:hover{transform:translateY(-3px);border-color:var(--blue);box-shadow:var(--shadow2)}
.benefit h3{font-size:1.05rem;margin-bottom:7px;color:var(--ink)}
.benefit p{color:var(--ink2);font-size:.94rem}
.benefit p a{color:var(--blue-d);border-bottom:1px solid rgba(26,127,208,.4)}
.opportunity__paths{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:22px}
.path{padding:26px;background:linear-gradient(160deg,var(--blue-l),var(--surface));border-color:rgba(26,127,208,.35)}
.path h3{font-size:1.2rem;margin-bottom:8px;color:var(--ink)}
.path p{color:var(--ink2)}

/* contact */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:34px;max-width:820px;
  margin-inline:auto;text-align:left}
.contact__card{padding:26px}
.contact__label{font-family:'Rajdhani',sans-serif;text-transform:uppercase;letter-spacing:.17em;
  font-size:.76rem;color:var(--blue-d);font-weight:700}
.contact__name{font-size:1.26rem;font-weight:800;margin:8px 0 5px;color:var(--ink)}
.contact__line{display:block;color:var(--blue-d);font-size:1rem;margin-top:3px;transition:.2s}
.contact__line:hover{color:var(--blue)}
.contact__actions{display:flex;flex-direction:column;gap:12px;justify-content:center}
.contact__actions .btn{width:100%}

/* ===== DECK ===== */
.deckbox{margin-top:30px;background:var(--surface);border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow2);overflow:hidden}
.deckstage{position:relative;min-height:460px}
.slide{display:none}
.slide.is-on{display:block;animation:fadein .28s ease}
.slide__body{padding:38px 42px}
.slide__body h3{font-size:clamp(1.4rem,2.8vw,2rem);font-weight:800;color:var(--ink);letter-spacing:-.02em;margin-bottom:6px}
.slide__lead{font-size:1.06rem;color:var(--blue-d);font-weight:600;margin-bottom:14px}
.slide--title{text-align:center;padding:56px 42px}
.slide__logo{height:34px;width:auto;margin:0 auto 18px}
.slide__meta{margin-top:14px;font-size:.86rem;color:var(--dim)}
.slide__contact{margin-top:14px;font-size:1.05rem;color:var(--ink2);line-height:1.9}
.slide__contact a{color:var(--blue-d)}
.slide__list{list-style:none;display:grid;gap:9px;margin-top:8px}
.slide__list--two{grid-template-columns:1fr 1fr;gap:9px 22px}
.slide__list li{position:relative;padding-left:24px;color:var(--ink2);font-size:.97rem}
.slide__list li::before{content:"";position:absolute;left:0;top:.5em;width:9px;height:9px;border-radius:50%;background:var(--grad)}
.slide__list b{color:var(--ink)}
.slide--split{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.slide--split img{border-radius:13px;border:1px solid var(--line);background:var(--panel)}
.slide__tag{margin-top:14px;display:inline-block;font-family:'Rajdhani',sans-serif;font-weight:700;
  text-transform:uppercase;letter-spacing:.09em;font-size:.9rem;background:var(--blue-l);
  border:1px solid rgba(26,127,208,.35);color:var(--blue-d);padding:8px 15px;border-radius:999px}
.slide__wide{margin:14px auto 0;max-height:340px;width:auto;border-radius:12px;border:1px solid var(--line)}
.slide__steps{list-style:none;display:grid;gap:10px;margin-top:10px}
.slide__steps li{display:flex;align-items:center;gap:13px;color:var(--ink2);font-size:1rem}
.slide__steps span{flex:0 0 auto;width:32px;height:32px;border-radius:9px;background:var(--grad);color:#fff;
  font-weight:800;display:grid;place-items:center;font-size:.95rem}
.slide__vids{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:12px}
.slide__vids figure{margin:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#000}
.slide__vids video{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;background:#000}
.slide__vids figcaption{padding:9px 11px;font-size:.84rem;font-weight:600;color:var(--ink);background:var(--surface)}
.slide__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:14px}
.slide__stats div{background:var(--blue-l);border:1px solid rgba(26,127,208,.25);border-radius:12px;padding:16px;text-align:center}
.slide__stats b{display:block;font-family:'Rajdhani',sans-serif;font-size:1.7rem;color:var(--blue-d);line-height:1.1}
.slide__stats span{display:block;margin-top:5px;font-size:.83rem;color:var(--dim)}
.deckbar{display:flex;align-items:center;gap:14px;padding:14px 18px;border-top:1px solid var(--line);background:var(--surface2)}
.deckbtn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--surface);
  color:var(--blue-d);font-size:1.5rem;line-height:1;cursor:pointer;display:grid;place-items:center;transition:.18s}
.deckbtn:hover{background:var(--blue);color:#fff;border-color:transparent}
.deckdots{display:flex;gap:7px;flex:1;flex-wrap:wrap}
.dot{width:9px;height:9px;border-radius:50%;background:var(--line);border:0;cursor:pointer;padding:0;transition:.18s}
.dot.is-on{background:var(--blue);transform:scale(1.25)}
.deckcount{font-family:'Rajdhani',sans-serif;font-weight:700;color:var(--dim);font-size:.9rem;letter-spacing:.06em}

/* footer */
.footer{background:var(--navy);padding:36px 0;text-align:center}
.footer__logo{height:22px;width:auto;margin:0 auto 12px;opacity:.95}
.footer__tag{color:#b9d3e8}
.footer__fine{color:#7fa0bb;font-size:.8rem;margin-top:10px}
.footer__fine a{color:#8fd0ff;border-bottom:1px solid rgba(143,208,255,.4)}

/* reveal */
.reveal{opacity:0;transform:translateY(20px);transition:.6s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ===== RESPONSIVE ===== */
@media(max-width:1000px){
  .rail{position:sticky;top:var(--nav-h);width:100%;height:auto;border-right:0;border-bottom:1px solid var(--line)}
  .rail__inner{flex-direction:row;overflow-x:auto;gap:6px;padding:10px 12px}
  .tab{width:auto;flex:0 0 auto;padding:9px 14px;font-size:.9rem}
  .rail__cta{margin-top:0;flex:0 0 auto;padding:9px 16px;white-space:nowrap}
  .tab__ic{width:19px;height:19px;flex:0 0 19px}
  .tab__ic svg{width:18px;height:18px}
  .shell{flex-direction:column}
  .stage{margin-left:0}
  .shift,.product,.different,.contact,.opportunity__paths,.slide--split{grid-template-columns:1fr;gap:26px}
  .hz{grid-template-columns:1fr}
  .hz__risk{border-right:0;border-bottom:1px solid var(--line)}
  .ecomap{grid-template-columns:1fr 1fr;gap:14px}
  .ecomap__lines{display:none}
  .node--util{grid-column:1;grid-row:1}.node--power{grid-column:2;grid-row:1}
  .hub{grid-column:1 / -1;grid-row:2}
  .node--over{grid-column:1;grid-row:3}.node--load{grid-column:2;grid-row:3}
  .node--marine{grid-column:1;grid-row:4}.node--future{grid-column:2;grid-row:4}
  .gal-grid,.vidgrid,.slide__vids{grid-template-columns:1fr 1fr}
  .howsteps{grid-template-columns:1fr 1fr}
  .stats,.benefits,.slide__stats{grid-template-columns:1fr 1fr}
  .ticks--two,.slide__list--two{grid-template-columns:1fr}
  .slide__body{padding:26px 22px}
}
@media(max-width:560px){
  :root{--nav-h:78px}
  .nav__logo{height:52px}
  .section{padding:50px 0}
  .stats,.benefits,.gal-grid,.vidgrid,.howsteps,.slide__vids,.slide__stats{grid-template-columns:1fr}
  .gal-item--wide{grid-column:span 1}
  .hero__cta{flex-direction:column;width:100%}.hero__cta .btn{width:100%}
  .lb-prev{left:8px}.lb-next{right:8px}.lb-close{top:12px;right:14px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto}.reveal{opacity:1;transform:none}}

/* hero mantra */
.hero__mantra{margin:14px auto 0;font-family:'Rajdhani',sans-serif;font-weight:700;
  text-transform:uppercase;letter-spacing:.12em;font-size:clamp(.9rem,1.7vw,1.1rem);color:var(--blue-d)}
/* licensing proposition */
.prop{display:grid;grid-template-columns:1.15fr 1fr;gap:18px;margin-top:34px}
.prop__col{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:26px;box-shadow:var(--shadow)}
.prop__col h3{font-size:1.16rem;margin-bottom:10px;color:var(--ink)}
.prop__col .ticks{margin-top:12px}
.prop__col--want{background:linear-gradient(160deg,var(--blue-l),var(--surface));
  border-color:rgba(26,127,208,.35);display:flex;flex-direction:column}
.prop__col--want p{font-size:1rem}
.prop__btn{margin-top:auto;align-self:flex-start}
@media(max-width:1000px){.prop{grid-template-columns:1fr}}

/* market sources */
.srcs{margin:22px auto 0;max-width:78ch;padding-left:22px;color:var(--dim);font-size:.84rem;line-height:1.6}
.srcs li{margin-bottom:6px}
.srcs a{color:var(--blue-d);border-bottom:1px solid rgba(26,127,208,.4)}
.srcs a:hover{color:var(--blue)}
.stat__label sup{color:var(--blue-d);font-weight:700}
.market__note--lead{color:var(--ink);font-size:1.06rem;font-weight:600;max-width:72ch}

/* feature photo + feature video */
.galfeature{margin:26px auto 0;max-width:900px;position:relative;border-radius:var(--r);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow2);cursor:pointer}
.galfeature img{width:100%;height:auto;display:block;transition:.5s}
.galfeature:hover img{transform:scale(1.03)}
.galfeature figcaption{position:absolute;left:0;right:0;bottom:0;padding:34px 20px 15px;color:#fff;
  font-size:1.02rem;font-weight:600;pointer-events:none;
  background:linear-gradient(180deg,transparent,rgba(8,32,54,.92))}
.vidfeature{margin:26px auto 6px;max-width:900px;border-radius:var(--r);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow2);background:#000}
.vidfeature video{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;background:#000}
.vidfeature figcaption{padding:14px 18px;background:var(--surface);color:var(--ink2);font-size:.98rem}
.vidfeature figcaption strong{color:var(--ink)}