/* RhythmX site styles. Light = blush, dark = deep plum. */
:root{
  --blush:#FBF1F2; --plum:#5E264F; --plum-d:#1F1220; --rose:#C97C7C; --sage:#7CA68C; --gold:#C9A87C; --lav:#8C7CA6;
  --bg:#FBF1F2; --bg-alt:#fff7f8; --surface:#fff; --ink:#2A1626; --muted:#6b5663; --line:#ecd9dc;
  --accent:#5E264F; --accent-ink:#fff; --shadow:rgba(60,20,50,.4);
  --grad:linear-gradient(145deg,#f4c9c9,#d9cdea 60%,#cfe3d8);
  --glow-a:rgba(244,201,201,.7); --glow-b:rgba(207,227,216,.45); --ring:rgba(94,38,79,.18);
  --header-bg:rgba(255,255,255,.94); --nav-ink:#2A1626;
  color-scheme:light dark;
}
@media(prefers-color-scheme:dark){
  :root{
    --bg:#2E1B33; --bg-alt:#37213c; --surface:#442a4b; --ink:#f3e6ef; --muted:#cdb4c6; --line:#5a3c63;
    --accent:#E8A5B8; --accent-ink:#1F1220; --shadow:rgba(0,0,0,.6);
    --grad:linear-gradient(145deg,#6a3560,#4a3a73 60%,#3a5a56);
    --glow-a:rgba(106,53,96,.75); --glow-b:rgba(58,90,86,.5); --ring:rgba(232,165,184,.25);
    --header-bg:rgba(79,48,86,.96); --nav-ink:#fff;
  }
}
*,*::before,*::after{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font:17px/1.6 -apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img,svg,picture{max-width:100%;display:block}
img{height:auto}
a{color:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--accent);color:var(--accent-ink);padding:10px 16px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
.wrap{max-width:1100px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:ui-rounded,"SF Pro Rounded",-apple-system,"Segoe UI",sans-serif;line-height:1.12;letter-spacing:-.02em}
h1{font-size:clamp(2.4rem,6vw,4rem);font-weight:800}
h2{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:700}
h3{font-size:1.2rem;font-weight:700}

/* header */
.top{position:sticky;top:0;z-index:50;background:var(--header-bg);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .25s}
.top.scrolled{box-shadow:0 10px 30px -18px var(--shadow)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;position:relative}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.25rem;text-decoration:none;color:var(--nav-ink)}
.brand img{border-radius:9px}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a:not(.btn){text-decoration:none;color:var(--nav-ink);font-size:1rem;font-weight:600;padding:6px 2px;background:linear-gradient(var(--accent),var(--accent)) 0 100%/0 2px no-repeat;transition:background-size .25s}
.nav-links a:not(.btn):hover{background-size:100% 2px}
.nav-links .btn{padding:9px 20px;font-size:.95rem}
.nav-toggle{display:none;align-items:center;background:transparent;color:var(--nav-ink);border:2px solid var(--nav-ink);border-radius:999px;padding:6px 16px;font:inherit;font-weight:650;cursor:pointer}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--accent-ink);padding:14px 26px;border-radius:999px;font-weight:650;text-decoration:none;box-shadow:0 8px 24px -8px var(--shadow);transition:transform .15s}
.btn:hover{transform:translateY(-2px)}
.btn.ghost{background:transparent;color:var(--accent);box-shadow:inset 0 0 0 2px var(--accent)}

/* landing: hero */
.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;padding:56px 0 80px}
.eyebrow{display:inline-block;background:var(--surface);color:var(--accent);font-weight:650;font-size:.85rem;padding:6px 14px;border-radius:999px;margin-bottom:20px}
.hero p.lead{font-size:1.2rem;color:var(--muted);margin:22px 0 32px;max-width:34ch}
.cta{display:flex;gap:14px;flex-wrap:wrap}
.hero small{display:block;margin-top:16px;color:var(--muted);font-size:.85rem}
.stage{position:relative;height:600px}
.halo{position:absolute;left:50%;top:50%;width:500px;height:500px;margin:-250px 0 0 -250px;border-radius:50%;background:radial-gradient(circle,var(--glow-a) 0,var(--glow-b) 62%,transparent 70%);box-shadow:inset 0 0 0 1.5px var(--ring);animation:breathe 9s ease-in-out infinite}
.halo .moon{position:absolute;width:38px;height:38px;margin:-19px 0 0 -19px}
.halo .m-a{left:14.6%;top:14.6%}.halo .m-b{left:85.4%;top:14.6%}.halo .m-c{left:85.4%;top:85.4%}.halo .m-d{left:14.6%;top:85.4%}
.pill{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;padding:26px 0;border-block:1px solid var(--line);background:var(--bg-alt)}
.pill span{font-weight:650;color:var(--accent);padding:6px 16px}

/* device frame: depth */
.device{position:relative;width:296px;padding:9px;border-radius:50px;background:linear-gradient(145deg,#4a3d48,#150c13 38%,#2f2430);
  box-shadow:inset 0 0 0 1.5px #6b5a68,inset 0 2px 1px #8a7886,0 1px 0 rgba(255,255,255,.25),0 22px 30px -14px rgba(0,0,0,.5),0 60px 70px -34px var(--shadow);
  transform:rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transition:transform .25s ease-out;will-change:transform}
.device img{width:100%;border-radius:41px;background:#fff}
.device::before{content:"";position:absolute;left:-3px;top:112px;width:3px;height:34px;border-radius:2px 0 0 2px;background:#2a2028;box-shadow:0 52px 0 #2a2028,0 100px 0 #2a2028}
.device::after{content:"";position:absolute;inset:9px;border-radius:41px;pointer-events:none;background:linear-gradient(115deg,rgba(255,255,255,.28),rgba(255,255,255,0) 34%,rgba(255,255,255,0) 70%,rgba(255,255,255,.08))}
.shot .device{transform-style:preserve-3d}
.shot .device:hover{box-shadow:inset 0 0 0 1.5px #6b5a68,inset 0 2px 1px #8a7886,0 1px 0 rgba(255,255,255,.25),0 30px 40px -14px rgba(0,0,0,.5),0 80px 90px -34px var(--shadow)}
.stage .device{position:absolute;width:260px;left:50%;top:30px;margin-left:-130px}
.stage .d-main{z-index:3;animation:float 7s ease-in-out infinite}

/* landing: sections */
section{padding:90px 0}
.center{text-align:center}
.sub{color:var(--muted);max-width:56ch;margin:14px auto 0}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:50px;text-align:left}
.card{border-radius:28px;background:var(--surface);padding:28px 26px 30px;box-shadow:0 18px 40px -26px var(--shadow);text-decoration:none;display:block}
.card .moon{width:56px;height:56px;margin-bottom:18px}
.card p{color:var(--muted);font-size:.97rem;margin-top:6px}
a.card:hover{transform:translateY(-3px)}
a.card{transition:transform .15s}
a.card .go{display:inline-block;margin-top:14px;font-weight:650;color:var(--accent)}
.moon{display:block;border-radius:50%}
.alt{background:var(--bg-alt)}
.feat{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.feat.rev .shot{order:2}
.shot{display:flex;justify-content:center;perspective:1200px}
.feat ul{list-style:none;padding:0;margin-top:20px;display:grid;gap:12px}
.feat li{padding-left:34px;position:relative;color:var(--muted)}
.feat li::before{content:"";position:absolute;left:0;top:7px;width:20px;height:20px;border-radius:50%;background:var(--c,var(--rose));box-shadow:inset -5px -2px 0 rgba(255,255,255,.35)}
.feat h2{margin-bottom:12px}
.feat .intro{color:var(--muted)}
.feats{display:grid;gap:110px}
.phases{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px;text-align:left}
.phase{background:var(--surface);border-radius:24px;padding:26px 22px}
.phase .moon{width:46px;height:46px;margin-bottom:14px}
.phase p{color:var(--muted);font-size:.95rem;margin-top:6px}
.dark{background:linear-gradient(160deg,#6b2f5a,#4a1f42);color:#f6ebf2}
.dark .sub,.dark p{color:#ead6e3}
.dark .btn.ghost{color:#F7C9D8;box-shadow:inset 0 0 0 2px #F7C9D8;margin-top:32px}
.privacy-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:50px}
.privacy-grid div{background:rgba(255,255,255,.1);box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);border-radius:22px;padding:26px 22px}
.privacy-grid strong{display:block;font-size:1.5rem;color:#fff;margin-bottom:6px;font-family:ui-rounded,-apple-system,sans-serif}
.cards.two{grid-template-columns:repeat(2,1fr)}
.final{text-align:center;background:var(--grad);border-radius:40px;padding:70px 24px;margin-bottom:60px}
.final img{width:84px;margin:0 auto 22px;border-radius:20px}
.final .sub{color:var(--ink)}
.final .btn{margin-top:28px}

/* motion */
@keyframes float{50%{translate:0 -14px}}
@keyframes breathe{50%{scale:1.03}}
@keyframes rise{from{opacity:0;translate:0 28px}to{opacity:1;translate:0 0}}
.hero .eyebrow,.hero h1,.hero .lead,.hero .cta,.hero small{animation:rise .8s cubic-bezier(.2,.7,.2,1) both}
.hero h1{animation-delay:.08s}.hero .lead{animation-delay:.16s}.hero .cta{animation-delay:.24s}.hero small{animation-delay:.32s}
.stage .device{animation-name:float,rise;animation-duration:7s,1s;animation-iteration-count:infinite,1;animation-fill-mode:none,backwards}
.js .reveal{opacity:0;translate:0 30px;transition:opacity .7s ease var(--d,0s),translate .7s cubic-bezier(.2,.7,.2,1) var(--d,0s),transform .2s,box-shadow .2s}
.js .reveal.in{opacity:1;translate:0 0}
.pill span{transition:transform .2s}.pill span:hover{transform:translateY(-2px)}
.card,.phase{transition:transform .2s,box-shadow .2s}
.card:hover,.phase:hover{transform:translateY(-4px);box-shadow:0 26px 40px -24px var(--shadow)}
.moon{transition:transform .5s}.card:hover .moon,.phase:hover .moon{transform:rotate(40deg) scale(1.08)}
.btn:active{transform:translateY(0) scale(.98)}

/* footer */
.foot{padding:36px 24px 50px;color:var(--muted);font-size:.9rem;display:flex;justify-content:space-between;gap:16px 28px;flex-wrap:wrap;border-top:1px solid var(--line)}
.foot a{margin-right:16px;text-underline-offset:3px}
.foot a:last-child{margin-right:0}
.disclaimer{flex-basis:100%;max-width:70ch}

/* guides */
.article{max-width:760px;padding-top:36px;padding-bottom:64px}
.crumb{font-size:.85rem;color:var(--muted);margin-bottom:6px}
.crumb a{color:var(--muted)}
.article h1{font-size:clamp(1.9rem,4.6vw,2.6rem);line-height:1.15;margin:.2em 0 .3em}
.article h2{font-size:1.5rem;line-height:1.25;margin:2em 0 .5em}
.article h3{font-size:1.1rem;margin:1.4em 0 .3em}
.article p,.article li{margin:.7em 0}
.article ul,.article ol{padding-left:1.3em}
.meta{color:var(--muted);font-size:.9rem}
.article .lead{font-size:1.15rem;padding:14px 18px;border-left:4px solid var(--accent);background:var(--surface);border-radius:0 12px 12px 0}
.callout{background:var(--surface);border:1px solid var(--line);padding:14px 18px;border-radius:12px;font-size:.95rem;color:var(--muted)}
.table-wrap{overflow-x:auto;margin:1em 0}
table{border-collapse:collapse;width:100%;font-size:.95rem;min-width:520px}
th,td{text-align:left;vertical-align:top;padding:10px 12px;border-bottom:1px solid var(--line)}
th{background:var(--surface)}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em;background:var(--surface);padding:2px 6px;border-radius:5px}
.cta-box{margin-top:2.5em;padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:18px}
.cta-box h2{margin-top:0}
.cta-box .btn{margin-top:8px}

@media(max-width:860px){
  .nav-toggle{display:inline-flex}
  .nav-links{display:none}
  .nav-links.open{display:flex;flex-direction:column;align-items:flex-start;position:absolute;left:0;right:0;top:100%;background:var(--header-bg);padding:18px 24px 22px;border-bottom:1px solid var(--line);gap:16px}
  .hero,.feat{grid-template-columns:1fr}
  .feat.rev .shot{order:0}
  .feat{gap:36px}
  .feats{gap:70px}
  .stage{height:540px}
  .halo{width:340px;height:340px;margin:-170px 0 0 -170px}
  .halo .moon{width:30px;height:30px;margin:-15px 0 0 -15px}
  .device{width:260px}
  .stage .device{width:210px;margin-left:-105px;top:24px}
      .cards,.cards.two{grid-template-columns:1fr}
  .phases,.privacy-grid{grid-template-columns:1fr 1fr}
  section{padding:64px 0}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.js .reveal{opacity:1;translate:none}.device{transform:none!important}}
main{overflow-x:clip}