/* ─── Presentation deck ─── */
:root { --bg:#070a12; --panel:#0e1422; --line:rgba(255,255,255,.09); --line-2:rgba(255,255,255,.16);
  --ink:#eef1f7; --ink-2:#b9c1d3; --muted:#7f8aa1; --brand:#7c8cff; --cyan:#22d3ee; --ok:#34d399; --warn:#fbbf24; --bad:#fb7185;
  --sans:-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,Helvetica,Arial,sans-serif; --mono:ui-monospace,Menlo,Consolas,monospace; }
*{box-sizing:border-box} html{scroll-snap-type:y proximity;scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.5 var(--sans);overflow-x:hidden}
a{color:inherit;text-decoration:none} p{margin:0} h1,h2,h3{margin:0;letter-spacing:-.025em;line-height:1.08}
.glow{position:fixed;inset:-30% -10% auto;height:80vh;pointer-events:none;z-index:0;filter:blur(50px);
  background:radial-gradient(55% 55% at 25% 30%,rgba(124,140,255,.25),transparent 60%),radial-gradient(45% 45% at 78% 22%,rgba(34,211,238,.18),transparent 60%);
  animation:drift 20s ease-in-out infinite alternate}
@keyframes drift{to{transform:translate3d(-4%,5%,0) scale(1.1)}}

/* nav */
.top{position:fixed;inset:0 0 auto;z-index:30;display:flex;align-items:center;justify-content:space-between;padding:14px 26px;
  background:linear-gradient(180deg,rgba(7,10,18,.9),rgba(7,10,18,0))}
.brand{display:flex;align-items:center;gap:10px;font-weight:700} .mark{width:22px;height:22px;border-radius:7px;background:conic-gradient(from 210deg,#6366f1,#a855f7,#22d3ee,#6366f1);box-shadow:0 0 0 4px rgba(99,102,241,.18)}
.top-right{display:flex;gap:10px;align-items:center}
.pill-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:999px;font-weight:650;font-size:14.5px;color:#0b0f19;
  background:linear-gradient(135deg,#8b9bff,#22d3ee);box-shadow:0 10px 30px -12px rgba(124,140,255,.9);transition:transform .15s}
.pill-btn:hover{transform:translateY(-1px)} .pill-btn.big{padding:14px 22px;font-size:16px}
.ghost{display:inline-flex;align-items:center;padding:10px 16px;border-radius:999px;border:1px solid var(--line-2);color:var(--ink);font-weight:600;font-size:14.5px}
.ghost:hover{background:rgba(255,255,255,.05)} .ghost.big{padding:14px 22px;font-size:16px}
@media(max-width:700px){.top .ghost{display:none}}

/* dots */
.dots{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:30;list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.dots a{display:block;width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.22);position:relative;transition:.2s}
.dots a.on{background:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.15)}
.dots a span{position:absolute;right:20px;top:50%;transform:translateY(-50%);white-space:nowrap;font-size:12px;color:var(--muted);opacity:0;transition:.2s;pointer-events:none}
.dots a:hover span,.dots a.on span{opacity:1}
@media(max-width:800px){.dots{display:none}}

/* scenes */
.scene{position:relative;z-index:1;min-height:100vh;scroll-snap-align:start;display:grid;place-items:center;padding:96px 26px 60px}
.scene-inner{width:min(1160px,100%);text-align:center}
.h{font-size:clamp(28px,4.2vw,50px);font-weight:800;margin-bottom:26px}
.h .dim{color:var(--muted);font-weight:600} .h .no{color:var(--bad)}
.foot-note{margin-top:22px;color:var(--muted);font-size:15px}
.fine{color:var(--muted);font-size:13.5px;margin-top:14px}
/* enter animation */
.scene .h,.scene .duel,.scene .legend,.scene .steps,.scene .funnel-wrap,.scene .annot,.scene .shots,.scene .tiles,.scene .wf-row,.scene .cta-final,.scene .foot-note{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.scene.in .h,.scene.in .duel,.scene.in .legend,.scene.in .steps,.scene.in .funnel-wrap,.scene.in .annot,.scene.in .shots,.scene.in .tiles,.scene.in .wf-row,.scene.in .cta-final,.scene.in .foot-note{opacity:1;transform:none}
.scene.in .legend,.scene.in .foot-note{transition-delay:.35s}

/* scene 1 */
.h-hero{font-size:clamp(34px,5.4vw,66px);font-weight:800;margin-bottom:18px}
.h-hero em{font-style:normal;background:linear-gradient(90deg,#8b9bff,#22d3ee);-webkit-background-clip:text;background-clip:text;color:transparent}
.h-hero .you{display:inline-block;color:#0b0f19;background:#fff;border-radius:14px;padding:0 14px;margin-top:8px}
.sub{color:var(--ink-2);font-size:clamp(16px,1.6vw,20px);max-width:64ch;margin:0 auto 34px}
.a1,.a2,.a3,.a4,.a5,.a6,.a7{opacity:0;animation:up .8s cubic-bezier(.2,.7,.2,1) forwards}
.a1{animation-delay:.1s}.a2{animation-delay:.5s}.a3{animation-delay:.9s}.a4{animation-delay:1.35s}.a5{animation-delay:1.8s}.a6{animation-delay:2.1s}.a7{animation-delay:2.6s}
@keyframes up{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.flow{width:100%;max-width:1160px;height:auto;display:block;margin:0 auto}
.flow .draw{stroke-dasharray:1000;stroke-dashoffset:1000;animation:draw 2.4s 2.2s ease forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.flow .node .ring{fill:var(--panel);stroke:var(--line-2);stroke-width:2;transition:.3s}
.flow .node.human .ring{stroke:var(--ok)}
.flow .node .ico path,.flow .node .ico circle,.flow .node .ico rect{fill:none;stroke:#fff;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.flow .node.human .ico path{stroke:var(--ok)}
.flow .node text{fill:#fff;font:700 20px var(--sans);text-anchor:middle}
.flow .node text.small{fill:var(--muted);font:500 13.5px var(--sans)}
.flow .node{opacity:0;animation:fadein .6s ease forwards}
.flow .n1{animation-delay:2.2s}.flow .n2{animation-delay:2.7s}.flow .n3{animation-delay:3.2s}.flow .n4{animation-delay:3.7s}.flow .n5{animation-delay:4.2s}
.flow .pulse-dot{opacity:0;animation:fadein .5s 4.6s forwards}
@keyframes fadein{to{opacity:1}}
.cta{display:flex;flex-direction:column;align-items:center;gap:10px;margin-top:22px}
.hint{color:var(--muted);font-size:12.5px}
@media(max-width:700px){.flow .node text{font-size:26px}.flow .node text.small{display:none}}

/* scene 2 duel */
.duel{display:grid;grid-template-columns:1fr 60px 1.25fr;gap:14px;align-items:stretch;text-align:left}
@media(max-width:860px){.duel{grid-template-columns:1fr}.vs{display:none}}
.mail{background:#fff;color:#111;border-radius:16px;padding:20px 22px;font-family:Arial,Helvetica,sans-serif;font-size:15px;line-height:1.5;box-shadow:0 30px 60px -30px rgba(0,0,0,.9);position:relative;overflow:hidden}
.mail p{margin:0 0 10px}
.mail-top{display:flex;justify-content:space-between;align-items:center;gap:8px;border-bottom:1px solid #eee;padding-bottom:10px;margin-bottom:12px;font-size:12.5px;color:#666}
.stamp{font:700 11px var(--mono);letter-spacing:.06em;text-transform:uppercase;padding:4px 8px;border-radius:6px}
.stamp.bad{background:#fee2e2;color:#b91c1c}.stamp.ok{background:#d1fae5;color:#047857}
.bad-mail{filter:saturate(.4);opacity:.85;transform:rotate(-1.2deg)} .bad-mail p{color:#555}
.good-mail{transform:rotate(.6deg)}
.vs{display:grid;place-items:center;color:var(--muted);font-weight:800;font-size:22px}
.verdict-bar{margin-top:6px;font-size:12.5px;padding-top:10px;border-top:1px solid #eee}
.verdict-bar.bad{color:#b91c1c}.verdict-bar.ok{color:#047857}
mark{background:none;color:inherit;border-radius:4px;padding:0 3px;box-decoration-break:clone;-webkit-box-decoration-break:clone;
  background-image:linear-gradient(transparent 0,transparent 0);transition:background .5s}
.scene.in mark.m1{background:rgba(124,140,255,.35);transition-delay:.9s}
.scene.in mark.m2{background:rgba(251,191,36,.45);transition-delay:1.5s}
.scene.in mark.m3{background:rgba(52,211,153,.4);transition-delay:2.1s}
.legend{display:flex;justify-content:center;gap:22px;flex-wrap:wrap;margin-top:18px;color:var(--ink-2);font-size:14px}
.sw{display:inline-block;width:14px;height:14px;border-radius:4px;vertical-align:-2px;margin-right:6px}
.sw.m1{background:rgba(124,140,255,.9)}.sw.m2{background:rgba(251,191,36,.9)}.sw.m3{background:rgba(52,211,153,.9)}

/* scene 3 steps */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;text-align:left}
@media(max-width:1000px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}
.stepc{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:18px 18px 16px;position:relative;opacity:0;transform:translateY(20px)}
.scene.in .stepc{animation:up .7s cubic-bezier(.2,.7,.2,1) forwards;animation-delay:calc(.25s + var(--d))}
.stepc .num{position:absolute;top:14px;right:16px;font:800 13px var(--mono);color:var(--muted)}
.stepc .ic{font-size:30px;margin-bottom:8px}
.stepc h3{font-size:22px;margin-bottom:6px} .stepc p{color:var(--ink-2);font-size:14.5px;min-height:66px}
.stepc .ex{margin-top:10px;font:12.5px/1.45 var(--mono);color:#cbd5e1;background:#0a0e18;border:1px solid var(--line);border-radius:10px;padding:8px 10px}
.stepc.human{border-color:rgba(52,211,153,.5);background:linear-gradient(180deg,rgba(52,211,153,.08),var(--panel))}
.stepc.human h3{color:var(--ok)}

/* scene 4 funnel */
.funnel-wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:center;text-align:left}
@media(max-width:900px){.funnel-wrap{grid-template-columns:1fr}}
.funnel{width:100%;height:auto}
.funnel polygon{fill:rgba(124,140,255,.12);stroke:url(#fg);stroke-width:2;opacity:0}
.scene.in .funnel .f1{animation:fadein .6s .2s forwards}.scene.in .funnel .f2{animation:fadein .6s .6s forwards}.scene.in .funnel .f3{animation:fadein .6s 1s forwards}
.funnel .f2{fill:rgba(251,113,133,.14)} .funnel .f3{fill:rgba(52,211,153,.16)}
.funnel .fnum{fill:#fff;font:800 54px var(--sans);text-anchor:middle} .funnel .fnum.small{font-size:42px}
.funnel .flab{fill:var(--ink-2);font:500 18px var(--sans);text-anchor:start}
.funnel .fline{stroke:rgba(255,255,255,.18);stroke-width:1.5;stroke-dasharray:4 4}
.quotes{position:relative;height:150px}
.qcard{position:absolute;inset:0;background:var(--panel);border:1px solid var(--line);border-left-width:4px;border-radius:14px;padding:18px 20px;font-size:20px;font-weight:600;
  opacity:0;transform:translateY(10px);transition:.5s}
.qcard.on{opacity:1;transform:none}
.qcard small{display:block;margin-top:8px;font:600 13px var(--mono);letter-spacing:.04em}
.qcard.bad{border-left-color:var(--bad)}.qcard.bad small{color:var(--bad)}
.qcard.ok{border-left-color:var(--ok)}.qcard.ok small{color:var(--ok)}
.qcard.warn{border-left-color:var(--warn)}.qcard.warn small{color:var(--warn)} .qcard em{color:var(--muted);font-weight:400;font-size:15px}

/* scene 5 annotated */
.annot{position:relative;display:grid;grid-template-columns:300px 1fr;gap:26px 90px;align-items:center;text-align:left;max-width:1000px;margin:0 auto}
@media(max-width:900px){.annot{grid-template-columns:1fr;gap:12px}.wires{display:none}}
.src-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px 16px;font-size:14px;color:var(--ink-2)}
.src-card b{color:#fff} .src-card .lab{display:block;font:700 11px var(--mono);letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px}
.c1 .lab{color:var(--warn)}.c2 .lab{color:var(--brand)}.c3 .lab{color:var(--ok)}
.c1{grid-column:1;grid-row:1}.c2{grid-column:1;grid-row:2}.c3{grid-column:1;grid-row:3}
.email-center{grid-column:2;grid-row:1/4;background:#fff;color:#111;border-radius:16px;padding:22px 24px;font-family:Arial,Helvetica,sans-serif;font-size:15.5px;line-height:1.55;box-shadow:0 30px 60px -30px rgba(0,0,0,.9)}
.email-center p{margin:0 0 10px}
.hl{border-radius:4px;padding:0 3px;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.hl.h1{background:rgba(251,191,36,.45)}.hl.h2{background:rgba(124,140,255,.35)}.hl.h3{background:rgba(52,211,153,.4)}
.wires{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.wires .w{fill:none;stroke-width:2;stroke-dasharray:6 6;stroke-dashoffset:600;stroke:var(--warn);opacity:.9}
.wires .w2{stroke:var(--brand)}.wires .w3{stroke:var(--ok)}
.scene.in .wires .w{animation:wire 1.2s ease forwards}.scene.in .wires .w1{animation-delay:.5s}.scene.in .wires .w2{animation-delay:.9s}.scene.in .wires .w3{animation-delay:1.3s}
@keyframes wire{to{stroke-dashoffset:0}}

/* scene 6 shots */
.shots{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:900px){.shots{grid-template-columns:1fr}}
.shots figure{margin:0;background:var(--panel);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:transform .25s,border-color .25s}
.shots figure:hover{transform:translateY(-4px) scale(1.01);border-color:rgba(124,140,255,.5)}
.shots img{width:100%;aspect-ratio:16/10;object-fit:cover;object-position:top;display:block;border-bottom:1px solid var(--line)}
.shots figcaption{padding:12px 14px;color:var(--ink-2);font-size:14px}

/* scene 7 */
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;text-align:left}
@media(max-width:900px){.tiles{grid-template-columns:1fr}}
.tile{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:22px}
.tile .big{font-size:40px;font-weight:800;letter-spacing:-.03em;background:linear-gradient(90deg,#8b9bff,#22d3ee);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:6px}
.tile p{color:var(--ink-2);font-size:15px}
.wf-row{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:22px 0 30px}
.wf-row span{border:1px solid var(--line-2);border-radius:999px;padding:7px 13px;font-size:14px;color:var(--ink-2)}
.cta-final{background:linear-gradient(135deg,#1e1b4b,#312e81 50%,#0e7490);border-radius:22px;padding:34px 30px;color:#fff}
.cta-line{font-size:clamp(20px,2.4vw,28px);font-weight:700;letter-spacing:-.02em;max-width:34ch;margin:0 auto 20px}
.cta-line em{font-style:italic;color:#c7d2fe}
.cta-btns{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.cta-btns .pill-btn.big{background:#fff}
.cta-btns .ghost.big{border-color:rgba(255,255,255,.4);color:#fff}

/* lightbox */
.shots figure{cursor:zoom-in}
.lightbox{position:fixed;inset:0;z-index:50;background:rgba(3,5,10,.92);display:none;place-items:center;padding:30px;backdrop-filter:blur(6px)}
.lightbox.on{display:grid;animation:fadein .2s ease}
.lightbox img{max-width:min(1400px,96vw);max-height:84vh;border-radius:14px;box-shadow:0 40px 100px -30px rgba(0,0,0,.9);border:1px solid var(--line-2)}
.lightbox .lb-cap{color:var(--ink-2);font-size:14.5px;margin-top:12px;text-align:center}
.lightbox .lb-close{position:fixed;top:18px;right:22px;width:44px;height:44px;border-radius:50%;border:1px solid var(--line-2);background:rgba(255,255,255,.06);color:#fff;font-size:26px;cursor:pointer}