/* ============================================================
   CONSTRUKIDS — Investor deck
   Blueprint / construction-site aesthetic
   ============================================================ */
:root{
  --navy:#0c2236;          /* blueprint base */
  --navy2:#0e2a45;
  --steel:#16344f;
  --ink:#0a1722;
  --yellow:#ffb400;        /* construction yellow */
  --yellow2:#f7a400;
  --orange:#ff6a2b;        /* safety orange */
  --paper:#f4efe3;         /* blueprint paper / cream */
  --paper2:#fbf8f0;
  --line:rgba(255,255,255,.10);
  --line2:rgba(255,255,255,.18);
  --grid:rgba(120,180,235,.10);
  --txt:#eaf1f8;
  --muted:#9fb4c6;
  --good:#34d27b;
  --bad:#ff5d6c;
  --maxw:1180px;
  --display:'Anton',sans-serif;
  --head:'Oswald',sans-serif;
  --body:'Barlow',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:var(--body);
  background:var(--navy);
  color:var(--txt);
  overflow:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
/* blueprint grid + vignette over the whole stage */
.stage{
  position:fixed; inset:0;
  background:
    radial-gradient(120% 120% at 50% 0%, rgba(28,64,99,.55), transparent 60%),
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    linear-gradient(180deg,#0d2740,#091a2a 70%);
  background-size:auto, 44px 44px, 44px 44px, auto;
  z-index:0;
}
.stage::after{ /* corner blueprint tick marks */
  content:""; position:absolute; inset:18px;
  border:1px solid var(--line); border-radius:4px;
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.25);
  pointer-events:none;
}

/* hazard stripe utility */
.hazard{
  background:repeating-linear-gradient(45deg,#1a1a1a 0 16px,var(--yellow) 16px 32px);
}

/* ---------- TOP BAR ---------- */
.topbar{
  position:fixed; top:0; left:0; right:0; height:58px; z-index:20;
  display:flex; align-items:center; justify-content:space-between;
  padding:0 22px;
  background:linear-gradient(180deg,rgba(8,20,32,.92),rgba(8,20,32,.55) 70%,transparent);
  backdrop-filter:blur(2px);
}
.brand{display:flex; align-items:center; gap:10px; letter-spacing:.06em}
.brand .logo{width:30px;height:30px;flex:0 0 auto}
.brand b{font-family:var(--display); font-size:21px; letter-spacing:.04em; color:#fff}
.brand b span{color:var(--yellow)}
.brand .tag{font-family:var(--head); font-weight:500; font-size:10px; letter-spacing:.28em; color:var(--muted); text-transform:uppercase; margin-top:2px}
.counter{font-family:var(--head); font-weight:600; letter-spacing:.14em; color:var(--muted); font-size:13px}
.counter b{color:var(--yellow); font-size:18px}

/* ---------- DECK ---------- */
.deck{position:fixed; inset:0; z-index:10}
.slide{
  position:absolute; inset:0;
  display:flex; flex-direction:column; justify-content:center;
  padding:78px 7vw 96px;
  opacity:0; visibility:hidden; transform:translateX(46px) scale(.99);
  transition:opacity .5s ease, transform .55s cubic-bezier(.16,.84,.34,1);
  overflow-y:auto;
}
.slide.is-active{opacity:1; visibility:visible; transform:none}
.slide.is-prev{transform:translateX(-46px) scale(.99)}
.wrap{width:100%; max-width:var(--maxw); margin:0 auto}

/* slide chrome */
.sheet-ref{
  font-family:var(--head); font-weight:600; letter-spacing:.3em; font-size:11px;
  color:var(--muted); text-transform:uppercase; margin-bottom:14px;
  display:flex; align-items:center; gap:12px;
}
.sheet-ref::before{content:""; width:34px; height:3px; background:var(--yellow)}
.sheet-ref .pill{color:var(--yellow)}

h1.kicker{font-family:var(--display); line-height:.96; letter-spacing:.01em; color:#fff;
  font-size:clamp(34px,6.4vw,82px); text-transform:uppercase}
h1.kicker em{font-style:normal; color:var(--yellow)}
h2.title{font-family:var(--display); line-height:1; letter-spacing:.01em; color:#fff;
  font-size:clamp(28px,4.6vw,56px); text-transform:uppercase}
.lead{font-size:clamp(15px,1.7vw,21px); color:var(--muted); max-width:760px; margin-top:14px; line-height:1.5}
.lead strong{color:#fff}
.accent{color:var(--yellow)}
.accent-o{color:var(--orange)}

/* reveal animation */
.reveal{opacity:0; transform:translateY(18px); transition:opacity .55s ease, transform .6s cubic-bezier(.16,.84,.34,1)}
.is-active .reveal{opacity:1; transform:none}
.is-active .reveal{transition-delay:var(--d,0ms)}

/* ---------- COMPONENTS ---------- */
.grid{display:grid; gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:880px){.g2,.g3,.g4{grid-template-columns:1fr}}

.card{
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line2); border-radius:14px; padding:20px;
  position:relative; overflow:hidden;
}
.card::before{content:""; position:absolute; left:0; top:0; bottom:0; width:5px; background:var(--yellow)}
.card.o::before{background:var(--orange)}
.card h3{font-family:var(--head); font-weight:600; letter-spacing:.02em; font-size:19px; color:#fff; margin-bottom:6px}
.card p{color:var(--muted); font-size:14.5px; line-height:1.5}

.stat{display:flex; flex-direction:column; gap:4px}
.stat .num{font-family:var(--display); font-size:clamp(30px,4.4vw,52px); line-height:.9; color:var(--yellow)}
.stat .num.w{color:#fff}
.stat .lab{font-family:var(--head); font-weight:500; letter-spacing:.14em; text-transform:uppercase; font-size:11.5px; color:var(--muted)}
.stat .sub{font-size:13px; color:var(--muted)}

/* big hero stat */
.megastat{font-family:var(--display); font-size:clamp(64px,15vw,190px); line-height:.84; color:var(--yellow);
  text-shadow:0 0 40px rgba(255,180,0,.18)}
.megastat .small{font-size:.34em; color:#fff; -webkit-text-stroke:0}

/* table */
table.t{width:100%; border-collapse:collapse; font-size:14.5px}
table.t th{font-family:var(--head); font-weight:600; letter-spacing:.06em; text-transform:uppercase; font-size:11.5px;
  color:#0c1a26; background:var(--yellow); padding:10px 12px; text-align:left}
table.t td{padding:9px 12px; border-bottom:1px solid var(--line); color:var(--txt)}
table.t tr:nth-child(even) td{background:rgba(255,255,255,.03)}
table.t td.r,table.t th.r{text-align:right; font-variant-numeric:tabular-nums}
table.t tr.total td{background:rgba(255,180,0,.14); color:#fff; font-weight:600; border-top:2px solid var(--yellow)}

.chip{display:inline-flex; align-items:center; gap:7px; padding:5px 11px; border-radius:999px;
  font-family:var(--head); font-weight:600; letter-spacing:.06em; font-size:11px; text-transform:uppercase;
  background:rgba(255,255,255,.07); border:1px solid var(--line2); color:var(--muted)}
.chip.lic{background:rgba(52,210,123,.12); border-color:rgba(52,210,123,.4); color:#7af0ad}
.chip.y{background:rgba(255,180,0,.14); border-color:rgba(255,180,0,.45); color:var(--yellow)}

/* ---------- MACHINE CARDS ---------- */
.machines{display:grid; grid-template-columns:1.5fr 1fr 1fr; grid-template-rows:auto auto; gap:16px}
.machines .m.hero{grid-row:span 2}
@media(max-width:980px){.machines{grid-template-columns:1fr 1fr}.machines .m.hero{grid-row:auto; grid-column:span 2}}
@media(max-width:620px){.machines{grid-template-columns:1fr}.machines .m.hero{grid-column:auto}}
.m{
  background:linear-gradient(180deg,#12304c,#0c2236);
  border:1px solid var(--line2); border-radius:16px; padding:14px; position:relative; overflow:hidden;
  display:flex; flex-direction:column;
}
.m.hero{background:linear-gradient(180deg,#1a3c5c,#0c2236); border-color:rgba(255,180,0,.45)}
.m .pic{background:
    linear-gradient(180deg,rgba(255,255,255,.04),transparent),
    repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 1px,transparent 1px 26px);
  border-radius:10px; padding:8px; display:flex; align-items:center; justify-content:center; min-height:120px}
.m.hero .pic{min-height:230px}
.m .pic svg{width:100%; height:auto; display:block}
.m .mname{font-family:var(--head); font-weight:600; font-size:16px; color:#fff; margin-top:11px; line-height:1.1}
.m.hero .mname{font-size:22px}
.m .real{font-size:12px; color:var(--muted); margin-top:2px}
.m .price{font-family:var(--display); color:var(--yellow); font-size:22px; margin-top:8px}
.m.hero .price{font-size:30px}
.m .specs{display:flex; flex-wrap:wrap; gap:6px; margin-top:9px}
.m .specs .chip{font-size:10px; padding:4px 9px}
.heroflag{position:absolute; top:0; right:0; background:var(--yellow); color:#10202e;
  font-family:var(--head); font-weight:700; font-size:10.5px; letter-spacing:.14em; padding:6px 14px;
  border-bottom-left-radius:10px; text-transform:uppercase}
.m .src{display:inline-flex; align-items:center; gap:5px; margin-top:10px; font-family:var(--head);
  font-weight:600; font-size:11px; letter-spacing:.05em; text-transform:uppercase; color:var(--yellow);
  text-decoration:none; border-bottom:1px solid rgba(255,180,0,.38); align-self:flex-start}
.m .src:hover{color:#fff; border-color:#fff}

/* timeline */
.timeline{display:flex; flex-direction:column; gap:0}
.tl{display:grid; grid-template-columns:120px 1fr; gap:18px; padding:13px 0; border-top:1px solid var(--line); align-items:start}
.tl:last-child{border-bottom:1px solid var(--line)}
.tl .ph{font-family:var(--display); color:var(--yellow); font-size:15px; letter-spacing:.02em}
.tl .ph small{display:block; font-family:var(--head); font-weight:500; color:var(--muted); font-size:11px; letter-spacing:.1em}
.tl .desc b{color:#fff; font-family:var(--head); font-weight:600}
.tl .desc{color:var(--muted); font-size:14px}

/* bars (financial ramp) */
.bars{display:flex; align-items:flex-end; gap:18px; height:230px; padding:10px 4px 0}
.bar{flex:1; display:flex; flex-direction:column; align-items:center; justify-content:flex-end; gap:8px; height:100%}
.bar .col{width:64%; background:linear-gradient(180deg,var(--yellow),var(--yellow2)); border-radius:6px 6px 0 0;
  position:relative; min-height:6px; transform:scaleY(0); transform-origin:bottom; transition:transform .8s cubic-bezier(.16,.84,.34,1)}
.is-active .bar .col{transform:scaleY(1); transition-delay:var(--d,0ms)}
.bar .col.neg{background:linear-gradient(180deg,#5b6b7a,#3a4753)}
.bar .v{font-family:var(--display); font-size:17px; color:#fff}
.bar .yr{font-family:var(--head); font-weight:600; letter-spacing:.1em; font-size:11px; color:var(--muted); text-transform:uppercase}

/* cash-flow diverging chart */
.cashflow{margin-top:16px}
.cf-plot{position:relative; height:188px; display:flex; gap:7px; align-items:flex-end}
.cf-col{flex:1; position:relative; height:100%}
.cf-bar{position:absolute; left:10%; right:10%; transform:scaleY(0); transform-origin:bottom; transition:transform .6s cubic-bezier(.16,.84,.34,1)}
.is-active .cf-bar{transform:scaleY(1)}
.cf-bar.neg{background:linear-gradient(180deg,#7a8896,#4d5965); border-radius:0 0 4px 4px; transform-origin:top}
.cf-bar.pos{background:linear-gradient(180deg,#ffc83f,#f2a000); border-radius:4px 4px 0 0}
.cf-zero{position:absolute; left:0; right:0; bottom:56px; height:0; border-top:2px dashed rgba(255,255,255,.45); z-index:2}
.cf-zero span{position:absolute; left:0; top:5px; font-family:var(--head); font-weight:600; font-size:10.5px; letter-spacing:.06em; color:var(--muted)}
.cf-labels{display:flex; gap:7px; margin-top:7px}
.cf-labels span{flex:1; text-align:center; font-family:var(--head); font-weight:600; font-size:10px; color:var(--muted)}

/* ---------- COVER ---------- */
.cover{align-items:center; text-align:center}
.cover .wrap{display:flex; flex-direction:column; align-items:center}
.cover .machine-stage{width:min(560px,82vw); margin:6px auto 4px}
.cover h1{font-size:clamp(58px,13vw,160px); line-height:.82; letter-spacing:.01em}
.cover .sub{font-family:var(--head); font-weight:500; letter-spacing:.34em; text-transform:uppercase; color:var(--muted); font-size:clamp(11px,1.5vw,15px); margin-top:14px}
.cover .badge{margin-top:22px; display:inline-flex; gap:10px; align-items:center; font-family:var(--head); font-weight:600; letter-spacing:.18em; text-transform:uppercase; font-size:12px; color:#10202e; background:var(--yellow); padding:10px 20px; border-radius:999px}
.cover .meta{margin-top:18px; color:var(--muted); font-size:13px; letter-spacing:.04em}

/* animated dirt under cover machine */
@keyframes dig{0%,100%{transform:rotate(0)}30%{transform:rotate(-13deg)}55%{transform:rotate(6deg)}}
.arm{transform-box:fill-box; transform-origin:left center; animation:dig 3.2s ease-in-out infinite}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}
.bob{animation:bounce 3.2s ease-in-out infinite}
@media(prefers-reduced-motion:reduce){.arm,.bob{animation:none}}

/* ---------- BOTTOM NAV ---------- */
.nav{position:fixed; left:0; right:0; bottom:0; z-index:20; padding:0 22px 16px;
  display:flex; align-items:center; gap:16px;
  background:linear-gradient(0deg,rgba(8,20,32,.92),transparent)}
.tape{flex:1; height:14px; position:relative; border-radius:3px;
  background:repeating-linear-gradient(90deg,rgba(255,255,255,.16) 0 1px,transparent 1px 24px),
            rgba(255,255,255,.06);
  border:1px solid var(--line2); overflow:hidden}
.tape .fill{position:absolute; left:0; top:0; bottom:0; width:0%;
  background:repeating-linear-gradient(45deg,#1a1a1a 0 9px,var(--yellow) 9px 18px);
  transition:width .5s cubic-bezier(.16,.84,.34,1)}
.btn{font-family:var(--head); font-weight:700; letter-spacing:.1em; text-transform:uppercase; font-size:13px;
  border:none; cursor:pointer; padding:12px 20px; border-radius:10px; display:flex; align-items:center; gap:9px;
  transition:transform .15s ease, filter .15s ease}
.btn:active{transform:translateY(1px)}
.btn.prev{background:rgba(255,255,255,.08); color:var(--txt); border:1px solid var(--line2)}
.btn.next{background:var(--yellow); color:#10202e}
.btn.next:hover{filter:brightness(1.06)}
.btn:disabled{opacity:.32; cursor:not-allowed}
.btn svg{width:15px;height:15px}
.hint{position:fixed; bottom:78px; right:24px; z-index:20; font-size:11px; color:var(--muted);
  font-family:var(--head); letter-spacing:.12em; text-transform:uppercase; opacity:.7}
@media(max-width:620px){.hint{display:none} .slide{padding:74px 6vw 92px} .btn{padding:11px 15px; font-size:12px}}

/* footer note */
.note{font-size:11.5px; color:var(--muted); margin-top:14px; line-height:1.5; opacity:.85}
.kpis{display:flex; gap:30px; flex-wrap:wrap; margin-top:8px}
.kpis .stat .num{font-size:clamp(26px,3.6vw,44px)}
.two{display:grid; grid-template-columns:1.05fr .95fr; gap:34px; align-items:center}
@media(max-width:900px){.two{grid-template-columns:1fr}}
ul.tick{list-style:none; display:flex; flex-direction:column; gap:11px; margin-top:6px}
ul.tick li{display:flex; gap:12px; align-items:flex-start; color:var(--muted); font-size:15.5px; line-height:1.45}
ul.tick li b{color:#fff; font-family:var(--head); font-weight:600}
ul.tick li::before{content:""; flex:0 0 auto; width:14px; height:14px; margin-top:4px; border-radius:3px;
  background:var(--yellow); box-shadow:0 0 0 3px rgba(255,180,0,.15)}
ul.tick.o li::before{background:var(--orange); box-shadow:0 0 0 3px rgba(255,106,43,.15)}