:root{
  --bg:#06090d;
  --bg-2:#0a1016;
  --panel:#0f1720;
  --line:#1b2936;
  --ink:#e7eef5;
  --ink-dim:#8ea0b3;
  --ink-faint:#5b6c7d;
  --aqua:#5ee3d3;
  --aqua-deep:#2a9fa0;
  --blue:#6aa8ff;
  --ok:#7ddc9a;
  --warn:#ffb86b;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter',system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
  font-size:16px;line-height:1.55;
  background-image:
    radial-gradient(1200px 600px at 20% -10%, rgba(94,227,211,.08), transparent 60%),
    radial-gradient(900px 500px at 90% 0%, rgba(106,168,255,.06), transparent 60%);
}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px}
@media(max-width:480px){.wrap{padding:0 18px}}
.narrow{max-width:760px}
em{font-style:italic;color:var(--aqua)}
a{color:inherit}

.nav{position:sticky;top:0;z-index:30;backdrop-filter:blur(10px);background:rgba(6,9,13,.6);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:16px;padding-bottom:16px}
.mark{font-family:'JetBrains Mono',monospace;font-size:13px;letter-spacing:.02em;color:var(--ink-dim);display:flex;align-items:center;gap:8px}
.mark .dot{width:7px;height:7px;border-radius:50%;background:var(--aqua);box-shadow:0 0 12px var(--aqua)}
.nav-right{display:flex;gap:26px;align-items:center;font-size:14px;color:var(--ink-dim)}
.nav-right a{text-decoration:none;min-height:44px;display:inline-flex;align-items:center}
.nav-right a:hover{color:var(--ink)}
.nav-right .cta{color:var(--bg);background:var(--aqua);padding:10px 16px;border-radius:999px;font-weight:600;min-height:44px}
@media(max-width:640px){.nav-right{gap:14px}.nav-right a:not(.cta){display:none}}

.hero{padding:64px 0 40px}
.eyebrow{font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--aqua);margin-bottom:22px}
h1{font-family:'Fraunces',serif;font-weight:500;font-size:clamp(30px,6vw,68px);line-height:1.04;letter-spacing:-.02em;margin:0 0 18px;max-width:18ch}
.lede{color:var(--ink-dim);font-size:18px;max-width:60ch;margin:0 0 40px}
@media(max-width:720px){.hero{padding:36px 0 28px}.eyebrow{font-size:11px;margin-bottom:16px}.lede{font-size:16px;margin:0 0 28px}}
@media(max-width:480px){h1 br{display:none}}

.stage{position:relative;margin-top:12px}
.stage-frame{
  position:relative;
  aspect-ratio:16/9;
  background:linear-gradient(180deg,#0b1420 0%,#070c12 100%);
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
  box-shadow:0 40px 80px -30px rgba(0,0,0,.8), 0 0 0 1px rgba(94,227,211,.06) inset;
}
@media(max-width:720px){.stage-frame{aspect-ratio:3/4;border-radius:14px}}
@media(max-width:480px){.stage-frame{aspect-ratio:4/5}}
.stage-frame::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(800px 300px at 50% -20%, rgba(94,227,211,.12), transparent 70%),
    radial-gradient(600px 400px at 80% 110%, rgba(106,168,255,.08), transparent 70%);
}

.scene{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:40px;opacity:0;transform:translateY(12px);transition:opacity .5s ease, transform .5s ease;overflow:hidden}
@media(max-width:720px){.scene{padding:20px 16px}}
@media(max-width:480px){.scene{padding:16px 12px}}
.scene.on{opacity:1;transform:translateY(0)}

.progress{position:absolute;left:0;right:0;bottom:0;height:3px;background:rgba(255,255,255,.04)}
.progress-bar{height:100%;width:0;background:linear-gradient(90deg,var(--aqua),var(--blue));box-shadow:0 0 12px var(--aqua)}
.scene-index{position:absolute;top:16px;right:18px;font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--ink-faint);letter-spacing:.1em}
@media(max-width:480px){.scene-index{top:10px;right:12px;font-size:10px}}

/* scene 1 · phone */
.phone{width:min(380px,90%);background:#0e1823;border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:0 20px 60px -20px rgba(0,0,0,.6)}
@media(max-width:480px){.phone{padding:14px;border-radius:18px}.bubble-text{font-size:14px}}
.phone-header{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--ink-faint);letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px}
.bubble{background:#17273a;border-radius:14px 14px 14px 4px;padding:12px 14px;max-width:90%;position:relative}
.bubble-text{margin:0;font-size:15px;color:var(--ink)}
.phone-footer{margin-top:14px;font-size:12px;color:var(--ink-faint)}
.typing{display:inline-flex;gap:4px;margin-bottom:8px}
.typing i{width:6px;height:6px;border-radius:50%;background:var(--ink-dim);animation:typ 1s infinite}
.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}
@keyframes typ{0%,80%,100%{opacity:.3;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}
.scene[data-scene="1"].on .bubble-text{animation:revealText .6s .5s both}
@keyframes revealText{from{opacity:0}to{opacity:1}}

/* terminal / code */
.terminal,.calc,.push{width:min(620px,94%);background:#070d14;border:1px solid var(--line);border-radius:12px;font-family:'JetBrains Mono',monospace;font-size:13px;overflow:hidden}
@media(max-width:720px){.terminal,.calc,.push{font-size:12px}.terminal pre,.calc pre{padding:14px 14px}}
@media(max-width:480px){.terminal,.calc,.push{font-size:11px}.terminal pre,.calc pre{padding:12px;line-height:1.55;overflow-x:auto;-webkit-overflow-scrolling:touch}}
.term-head,.calc-head,.push-head,.code-head{background:#0d1824;padding:10px 14px;font-size:11px;color:var(--ink-faint);letter-spacing:.1em;text-transform:uppercase;display:flex;gap:6px;align-items:center;border-bottom:1px solid var(--line)}
.term-head span{width:9px;height:9px;border-radius:50%;background:#334758;display:inline-block}
.term-head span:nth-child(1){background:#ff6058}.term-head span:nth-child(2){background:#ffbd2e}.term-head span:nth-child(3){background:#28c940}
.term-head{gap:6px}
.terminal pre,.calc pre{margin:0;padding:18px 20px;color:#c8d4e0;line-height:1.7}
.t-dim{color:var(--ink-faint)}
.t-key{color:var(--blue)}
.t-ok{color:var(--ok)}
.t-fn{color:var(--aqua)}
.t-type{color:var(--warn)}
.t-num{color:#e0a9ff}

/* weather */
.weather{width:min(680px,94%)}
.weather-title{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:18px;text-align:center}
.weather-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.wcell{background:#0d1823;border:1px solid var(--line);border-radius:12px;padding:20px 16px;text-align:center}
.wh{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--ink-faint);letter-spacing:.12em;margin-bottom:10px}
.wt{font-family:'Fraunces',serif;font-size:44px;color:var(--ink);line-height:1}
.wu{font-size:11px;color:var(--ink-faint);margin-top:4px}
@media(max-width:720px){.weather-grid{grid-template-columns:repeat(2,1fr);gap:10px}.wcell{padding:14px 8px}.wt{font-size:32px}}
@media(max-width:480px){.wt{font-size:28px}.wcell{padding:12px 6px}}
.weather-src{text-align:center;margin-top:18px;font-family:'JetBrains Mono',monospace;font-size:10px;color:var(--ink-faint);letter-spacing:.1em}

/* thermo */
.thermo{width:min(620px,94%)}
@media(max-width:480px){.thermo-readout{margin-top:20px;gap:8px}.num{font-size:30px}.sub{font-size:10px}.pulse{font-size:22px}}
.thermo-label{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:20px;text-align:center}
.thermo-bar{position:relative;height:14px;background:#0d1823;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.thermo-fill{position:absolute;left:0;top:0;bottom:0;width:0;background:linear-gradient(90deg,#3aa0ff,#5ee3d3,#ffb86b);border-radius:999px;transition:width 1.8s cubic-bezier(.4,.1,.2,1)}
.thermo-mark{position:absolute;top:-3px;bottom:-3px;width:2px;background:var(--ink-dim)}
.thermo-mark.goal{background:var(--aqua);box-shadow:0 0 8px var(--aqua)}
.thermo-readout{display:flex;justify-content:space-between;margin-top:28px;gap:16px}
.thermo-readout>div{text-align:center;flex:1}
.num{font-family:'Fraunces',serif;font-size:44px;color:var(--ink);display:block;line-height:1}
.num.delta{color:var(--aqua)}
.sub{display:block;margin-top:6px;font-size:11px;color:var(--ink-faint);font-family:'JetBrains Mono',monospace;letter-spacing:.08em;text-transform:uppercase}
.pulse{font-size:28px;color:var(--ok);animation:pulse 1.2s infinite}
@keyframes pulse{50%{opacity:.35}}

/* calc */
.calc-schedule{border-top:1px solid var(--line);padding:14px 20px;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.sch-row{display:flex;align-items:baseline;gap:10px;font-family:'JetBrains Mono',monospace;font-size:13px}
.sch-row b{color:var(--aqua);font-weight:600;letter-spacing:.1em;font-size:11px}
@media(max-width:480px){.calc-schedule{grid-template-columns:1fr;gap:8px;padding:12px 14px}.sch-row{font-size:11px}}

/* push */
.push{padding-bottom:10px}
.push-line{padding:10px 20px;font-family:'JetBrains Mono',monospace;font-size:13px;color:#c8d4e0;border-bottom:1px dashed rgba(255,255,255,.04);display:flex;gap:10px;align-items:center;opacity:0;flex-wrap:wrap}
@media(max-width:480px){.push-line{font-size:11px;padding:8px 12px;gap:6px}.push-footer{font-size:10px;padding:10px 12px 0}}
.scene[data-scene="6"].on .push-line:nth-of-type(1){animation:fadeUp .4s .1s forwards}
.scene[data-scene="6"].on .push-line:nth-of-type(2){animation:fadeUp .4s .6s forwards}
.scene[data-scene="6"].on .push-line:nth-of-type(3){animation:fadeUp .4s 1.1s forwards}
@keyframes fadeUp{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.push-step{color:var(--blue);font-weight:600}
.push-footer{padding:12px 20px 0;font-size:11px;color:var(--ink-faint);font-family:'JetBrains Mono',monospace;letter-spacing:.08em}

/* arrival */
.arrival{width:min(720px,92%);display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.arrival-photo{aspect-ratio:4/3;border-radius:14px;background:
  linear-gradient(180deg,rgba(6,9,13,0) 40%, rgba(6,9,13,.55) 100%),
  url('pool.jpg') center/cover}
.arrival-copy .a-time{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--aqua);letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px}
.arrival-copy .a-head{font-family:'Fraunces',serif;font-size:26px;line-height:1.2;color:var(--ink);margin-bottom:18px}
.arrival-copy .a-tag{font-size:13px;color:var(--ink-dim);border-top:1px solid var(--line);padding-top:14px;font-style:italic}
@media(max-width:720px){.arrival{grid-template-columns:1fr;gap:16px}.arrival-photo{max-height:140px;width:100%}.arrival-copy .a-head{font-size:20px;margin-bottom:12px}.arrival-copy .a-time{margin-bottom:8px}.arrival-copy .a-tag{font-size:12px;padding-top:10px}}

/* sections */
.section{padding:100px 0;border-top:1px solid var(--line)}
.section.dark{background:var(--bg-2)}
.h-serif{font-family:'Fraunces',serif;font-weight:500;font-size:clamp(26px,4vw,46px);line-height:1.1;letter-spacing:-.015em;margin:0 0 24px}
.center{text-align:center}
.sub{color:var(--ink-dim);margin:0 auto 50px;max-width:60ch}
.section p{color:var(--ink-dim);font-size:17px;margin:0 0 18px}
.section p em{color:var(--ink);font-style:italic}
@media(max-width:720px){.section{padding:64px 0}.section p{font-size:16px}.sub{margin:0 auto 32px}}
@media(max-width:480px){.section{padding:48px 0}.section p{font-size:15px}}

/* diagram */
.diagram{display:grid;grid-template-columns:repeat(5,1fr) auto auto auto auto auto;grid-auto-flow:row;gap:14px;align-items:stretch;margin-top:40px;
  grid-template-columns:1fr 20px 1fr 20px 1fr}
.node{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px 18px;min-height:110px;display:flex;flex-direction:column;justify-content:center;transition:border-color .3s}
.node:hover{border-color:var(--aqua)}
.n-num{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--aqua);letter-spacing:.14em;margin-bottom:8px}
.n-title{font-family:'Fraunces',serif;font-size:20px;margin-bottom:4px}
.n-sub{font-size:12px;color:var(--ink-faint);font-family:'JetBrains Mono',monospace}
.arrow{align-self:center;height:1px;background:linear-gradient(90deg,transparent,var(--aqua-deep),transparent);min-width:20px}
.arrow::after{content:"";display:block;width:6px;height:6px;border-right:1px solid var(--aqua-deep);border-top:1px solid var(--aqua-deep);transform:rotate(45deg) translate(-3px,3px);margin-top:-4px;float:right}
.arrow.break{grid-column:1 / -1;height:0;background:none;border-bottom:1px dashed var(--line);margin:8px 0}
.arrow.break::after{display:none}
@media(max-width:760px){
  .diagram{grid-template-columns:1fr}
  .arrow{width:1px;height:20px;background:linear-gradient(180deg,transparent,var(--aqua-deep),transparent);justify-self:center;min-width:0}
  .arrow::after{display:none}
  .arrow.break{display:none}
}

/* hayward three col */
.three-col{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
.col{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:22px}
.col-h{font-family:'Fraunces',serif;font-size:18px;margin-bottom:8px}
.col-b{color:var(--ink-dim);font-size:14px;line-height:1.5}
@media(max-width:760px){.three-col{grid-template-columns:1fr}}

/* repo / code card */
.repo-head{display:flex;justify-content:space-between;gap:30px;align-items:flex-end;flex-wrap:wrap;margin-bottom:32px}
.repo-meta{display:flex;gap:8px;flex-wrap:wrap}
.repo-meta span{font-family:'JetBrains Mono',monospace;font-size:11px;padding:4px 10px;border:1px solid var(--line);border-radius:999px;color:var(--ink-dim);letter-spacing:.08em}
.link{color:var(--aqua);text-decoration:none;border-bottom:1px solid rgba(94,227,211,.4)}
.link:hover{border-color:var(--aqua)}
.code-card{background:#070d14;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.code-card pre{margin:0;padding:22px 24px;font-family:'JetBrains Mono',monospace;font-size:13px;line-height:1.7;color:#c8d4e0;overflow-x:auto;-webkit-overflow-scrolling:touch}
@media(max-width:480px){.code-card pre{padding:16px 14px;font-size:11px;line-height:1.6}.repo-head{gap:14px;margin-bottom:22px}}

/* contact */
.contact .mail{display:inline-block;font-family:'Fraunces',serif;font-size:32px;color:var(--aqua);text-decoration:none;margin:18px 0;border-bottom:1px solid rgba(94,227,211,.4);min-height:44px;word-break:break-word;max-width:100%}
@media(max-width:480px){.contact .mail{font-size:22px}}
.contact .mail:hover{border-color:var(--aqua)}
.contact .note{font-size:14px;color:var(--ink-faint);font-style:italic}

/* foot */
.foot{padding:30px 0 60px;border-top:1px solid var(--line);color:var(--ink-faint);font-size:12px}
.foot .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-family:'JetBrains Mono',monospace;letter-spacing:.05em}