:root{
  --bg:#08101a;--card:#0e1826;--line:#1d2c42;--text:#e9eef6;--muted:#8598b2;
  --accent:#5ad1e6;--accent2:#38b6cc;--ink:#0a2a33;--warn:#ffb454;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:Georgia,"Times New Roman",serif;line-height:1.7;font-size:17px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:760px;margin:0 auto;padding:0 20px}
header.site{border-bottom:2px solid var(--accent);padding:14px 0}
header.site .wrap{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:6px}
.logo{font-family:ui-sans-serif,system-ui,sans-serif;font-weight:800;font-size:1.1rem;color:var(--text)}
.logo em{color:var(--accent);font-style:normal}
nav a{font-family:ui-sans-serif,system-ui,sans-serif;color:var(--muted);margin-left:16px;font-size:.9rem}
.kicker{font-family:ui-sans-serif,system-ui,sans-serif;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin:36px 0 10px}
h1{font-size:2.1rem;line-height:1.22;margin:0 0 14px;font-weight:700}
.standfirst{font-size:1.12rem;color:var(--muted);border-left:3px solid var(--accent);padding-left:16px;margin:18px 0}
.meta{font-family:ui-sans-serif,system-ui,sans-serif;color:var(--muted);font-size:.82rem;margin:14px 0 6px}
main{padding:8px 0 60px}
h2{font-size:1.5rem;margin:40px 0 12px}
h3{font-size:1.15rem;margin:24px 0 8px}
p,li{color:#ccd6e4}
.btn{display:inline-block;font-family:ui-sans-serif,system-ui,sans-serif;background:var(--accent);color:var(--ink);font-weight:700;padding:12px 24px;border-radius:8px;font-size:1rem}
.btn:hover{background:var(--accent2);text-decoration:none}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin:18px 0}
.card.warn{border-left:4px solid var(--warn)}
.card.go{border-left:4px solid var(--accent)}
.tablewrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;margin:14px 0;font-size:.92rem;font-family:ui-sans-serif,system-ui,sans-serif}
th,td{border:1px solid var(--line);padding:9px 12px;text-align:left}
th{background:var(--card);color:var(--muted)}
td b{color:var(--text)}
ol.walk{padding-left:0;list-style:none;counter-reset:w}
ol.walk>li{counter-increment:w;margin:20px 0;padding:16px 18px 16px 58px;background:var(--card);border:1px solid var(--line);border-radius:12px;position:relative}
ol.walk>li:before{content:counter(w);font-family:ui-sans-serif,system-ui,sans-serif;position:absolute;left:16px;top:16px;width:28px;height:28px;border-radius:6px;background:var(--accent);color:var(--ink);font-weight:800;display:flex;align-items:center;justify-content:center}
ol.walk>li b{display:block;margin-bottom:4px}
details{border-bottom:1px solid var(--line);margin:0}
details summary{cursor:pointer;padding:14px 4px;font-weight:700;list-style:none}
details summary:after{content:"+";float:right;color:var(--muted)}
details[open] summary:after{content:"–"}
details .a{padding:0 4px 14px;color:#ccd6e4}
.notice{font-family:ui-sans-serif,system-ui,sans-serif;font-size:.8rem;color:#6e7f99;border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:14px 0}
footer{border-top:1px solid var(--line);padding:26px 0 40px;color:#6e7f99;font-size:.8rem;font-family:ui-sans-serif,system-ui,sans-serif}
footer p{margin:8px 0}
footer a{color:#8fa2bd}
.related{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin:26px 0;font-family:ui-sans-serif,system-ui,sans-serif;font-size:.95rem}
@media(max-width:640px){h1{font-size:1.6rem}body{font-size:16px}nav a{margin-left:10px}}
.hero-cta{margin:16px 0 6px}
/* v2 */
.btn{border-radius:999px;background:linear-gradient(135deg,#5ad1e6,#8fe3f2);box-shadow:0 8px 26px #5ad1e650;transition:transform .15s}
.btn:hover{transform:translateY(-1px)}
h1{font-size:clamp(1.55rem,5.5vw,2.2rem);text-wrap:balance}
figure.scr{margin:22px auto;max-width:280px}
figure.scr img{width:100%;border-radius:18px;border:1px solid var(--line);display:block;box-shadow:0 16px 44px #00000070}
figure.scr figcaption{font-family:ui-sans-serif,system-ui,sans-serif;font-size:.76rem;color:var(--muted);text-align:center;margin-top:7px}
.scr-duo{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:480px;margin:22px auto}
.scr-duo figure{margin:0}
.scr-duo img{width:100%;border-radius:16px;border:1px solid var(--line);display:block}
.scr-duo figcaption{font-family:ui-sans-serif,system-ui,sans-serif;font-size:.74rem;color:var(--muted);text-align:center;margin-top:6px}
table{font-variant-numeric:tabular-nums}
/* v3: chains + motion */
.hero-btns{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin:6px 0 4px}
.hero-btns .btn{margin:0}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--text);box-shadow:none;font-weight:600}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent);transform:none}
.chains{overflow:hidden;margin:16px 0 4px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.chains-track{display:flex;gap:10px;align-items:center;width:max-content;animation:chscroll 28s linear infinite}
.chains:hover .chains-track{animation-play-state:paused}
.ch{display:inline-flex;align-items:center;gap:7px;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px 14px 6px 7px;font-size:.85rem;color:var(--text);white-space:nowrap}
.ch img{width:24px;height:24px;border-radius:50%;display:block}
.ch-label{font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-right:4px;white-space:nowrap}
.ch-more{padding:6px 14px;color:var(--muted)}
@keyframes chscroll{to{transform:translateX(-50%)}}
.hero h1,.hero .sub,.hero .standfirst,.hero-btns,.proof,.badges,.chains,.hero-shot,.codecard{animation:rise .6s cubic-bezier(.2,.7,.3,1) both}
.hero .sub,.hero .standfirst{animation-delay:.08s}
.hero-btns{animation-delay:.16s}
.proof,.codecard{animation-delay:.22s}
.badges,.chains{animation-delay:.3s}
.hero-shot{animation-delay:.26s}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.hero-shot img{animation:floaty 7s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@media(prefers-reduced-motion:reduce){.chains-track,.hero-shot img{animation:none}.hero h1,.hero .sub,.hero .standfirst,.hero-btns,.proof,.badges,.chains,.hero-shot,.codecard{animation:none}}
@media(max-width:720px){.hero-btns{flex-direction:column;align-items:stretch}.hero-btns .btn{text-align:center}}
main h1{animation:rise .6s cubic-bezier(.2,.7,.3,1) both}
main .standfirst{animation:rise .6s .08s cubic-bezier(.2,.7,.3,1) both}
@media(prefers-reduced-motion:reduce){main h1,main .standfirst{animation:none}}
/* v4: overflow fixes */
html,body{overflow-x:hidden}
.hero-grid>div{min-width:0}
.chains{max-width:100%;min-width:0}
.wrap{min-width:0}
/* v5: image sizing */
.hero-shot img{max-width:225px}
figure.scr{max-width:245px}
.scr-duo{max-width:420px}
.vs .side img{max-width:165px}
.scr-row{max-width:640px;margin-left:auto;margin-right:auto}
@media(max-width:720px){.hero-shot img{max-width:165px}}
/* v6: unstretch images */
.hero-shot img,figure.scr img,.scr-row img,.scr-duo img,.vs .side img{height:auto}
/* v7 */
.kickpill{display:inline-block;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px 14px}
.calc{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px 22px;margin:24px 0;font-family:ui-sans-serif,system-ui,sans-serif;max-width:440px}
.calc-head{font-weight:800;margin-bottom:12px;font-size:1.02rem}
.calc input[type=range]{width:100%;accent-color:var(--accent);margin:4px 0 12px}
.calc-row{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px dashed #1d2c42;font-size:.92rem;color:var(--muted)}
.calc-row b{color:var(--text);font-variant-numeric:tabular-nums}
.calc-row .good{color:#4ade80}
.calc-note{font-size:.74rem;color:#6e7f99;margin-top:10px}