/* ============================================================================
   RheMind temporary landing site
   Design language: RheMind Brand Guidelines v1.0 (Spectral + Jost, aqua/gold/slate)
   Shared by index.html (rhemind.org / .com), /app/ (rhemind.app), /rhythms/
   ============================================================================ */

:root{
  --aqua:#3F9A96; --aqua-bright:#6FCFCB; --aqua-soft:#D6EAE8; --aqua-action:#2F7C79;
  --gold:#C99A4E; --gold-bright:#E0B25E; --gold-soft:#EAD9B6;
  --slate:#2C3A3E; --slate-2:#21343A; --slate-3:#35545A;
  --paper:#FBFAF7; --cream:#F3EEE4; --mist:#E9F4F2;
  --ink:#21343A; --soft:#6E7C7E; --muted:#9AA6A4;
  --hair:#E2E6E5; --white:#fff;
  --serif:'Spectral',Georgia,'Times New Roman',serif;
  --sans:'Jost',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --wrap:1080px;
  --shadow-soft:0 18px 50px -24px rgba(33,52,58,.45);
  --shadow-card:0 10px 30px -18px rgba(33,52,58,.35);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.62}
img{max-width:100%;display:block}
a{color:var(--aqua-action);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---- eyebrow + headings ---- */
.eyebrow{font-family:var(--sans);text-transform:uppercase;letter-spacing:2.4px;font-size:12.5px;font-weight:600;color:var(--aqua-action)}
.eyebrow.on-slate{color:var(--gold-bright)}
h1,h2,h3{font-family:var(--serif);color:var(--ink);line-height:1.12;font-weight:600}
h1{font-size:clamp(38px,6vw,62px);letter-spacing:-.5px}
h2{font-size:clamp(28px,4vw,40px);letter-spacing:-.3px}
h3{font-size:22px}
.accent{font-style:italic;color:var(--aqua)}
p.lead{font-size:clamp(18px,2.2vw,21px);color:var(--soft);line-height:1.6}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--sans);font-weight:600;
  font-size:16px;padding:14px 26px;border-radius:999px;border:1.5px solid transparent;
  cursor:pointer;transition:transform .15s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  text-decoration:none;white-space:nowrap}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--aqua);color:#fff;box-shadow:var(--shadow-card)}
.btn-primary:hover{background:var(--aqua-action)}
.btn-gold{background:var(--gold);color:var(--slate-2)}
.btn-gold:hover{background:var(--gold-bright)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--hair)}
.btn-outline:hover{border-color:var(--aqua);color:var(--aqua-action)}
.btn-on-slate{background:rgba(255,255,255,.08);color:#F4ECDD;border-color:rgba(255,255,255,.22)}
.btn-on-slate:hover{background:rgba(255,255,255,.14);color:#fff}

/* ---- top bar ---- */
.topbar{position:sticky;top:0;z-index:50;background:rgba(251,250,247,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--hair)}
.topbar .inner{max-width:var(--wrap);margin:0 auto;padding:12px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brandmark{display:flex;align-items:center;gap:11px}
.brandmark .mk{width:34px;height:34px}
.brandmark .wm{font-family:var(--serif);font-size:22px;font-weight:700;color:var(--slate-2);letter-spacing:-.2px}
.brandmark .wm .rhe{color:var(--aqua)}
.brandmark .logo-img{height:32px;width:auto;display:block}
.topbar nav{display:flex;gap:22px;align-items:center}
.topbar nav a{font-size:14px;font-weight:600;color:var(--soft);text-transform:capitalize;padding:4px 0;border-bottom:2px solid transparent;transition:color .2s ease,border-color .2s ease}
.topbar nav a:hover,.topbar nav a.active{color:var(--slate-2);border-color:var(--gold);text-decoration:none}
@media(max-width:640px){.topbar nav a.hide-sm{display:none}}

/* ---- hero (report-template style: slate gradient, gold border, glows) ---- */
.hero{position:relative;overflow:hidden;color:#F8F1E5;
  background:linear-gradient(150deg,#2C3A3E 0%,#21343A 58%,#35545A 100%);
  border-bottom:3px solid var(--gold)}
.hero::after{content:"";position:absolute;right:-110px;top:-90px;width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,154,78,.28),transparent 66%);pointer-events:none}
.hero::before{content:"";position:absolute;left:-90px;bottom:-140px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(63,154,150,.22),transparent 68%);pointer-events:none}
.hero .inner{position:relative;z-index:2;max-width:var(--wrap);margin:0 auto;padding:64px 24px 60px;
  display:grid;grid-template-columns:1fr 190px;gap:34px;align-items:center}
.hero .copy{min-width:0}
.hero .eyebrow{color:var(--gold-bright)}
.hero h1{color:#F7F1E6;margin-top:14px}
.hero h1 .accent{color:var(--aqua-bright)}
.hero p.lead{color:#C9D4D3;max-width:620px;margin-top:18px}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero .status{margin-top:26px;font-size:14px;color:#9FB2B2;letter-spacing:.2px}
.hero .status b{color:var(--gold-bright);font-weight:600}
.hero-mark{justify-self:center}
.hero-mark img{width:176px;height:176px;filter:drop-shadow(0 14px 32px rgba(0,0,0,.35))}
@media(max-width:760px){
  .hero .inner{grid-template-columns:1fr;text-align:center;padding:52px 24px 46px}
  .hero .cta-row{justify-content:center}
  .hero p.lead{margin-left:auto;margin-right:auto}
  .hero-mark{display:none}
}

/* ---- bands ---- */
.band{padding:78px 0}
.band.alt{background:var(--mist)}
.band.cream{background:var(--cream)}
.section-head{max-width:640px}
.section-head h2{margin-top:12px}
.section-head p{margin-top:14px}

/* ---- rhythms feature ---- */
.feature{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.feature .art{border-radius:22px;overflow:hidden;box-shadow:var(--shadow-soft);background:var(--slate-2);
  aspect-ratio:16/10;display:flex;align-items:center;justify-content:center}
.feature .art img{width:100%;height:100%;object-fit:cover}
.feature .feature-latest{width:100%;align-self:center}
.feature .feature-latest:empty{aspect-ratio:16/9;border-radius:18px;background:var(--slate-2);box-shadow:var(--shadow-soft)}
.feature ul.marks{list-style:none;margin:20px 0 26px;display:grid;gap:12px}
.feature ul.marks li{display:flex;gap:11px;align-items:flex-start;color:var(--soft);font-size:16px}
.feature ul.marks li b{color:var(--ink);font-weight:600}
.dot{flex:none;width:20px;height:20px;margin-top:2px;color:var(--aqua)}
@media(max-width:820px){.feature{grid-template-columns:1fr;gap:30px}}

/* ---- app teaser ---- */
.app-teaser{background:linear-gradient(150deg,var(--slate) 0%,var(--slate-2) 60%,var(--slate-3) 130%);
  color:#F4ECDD;border-radius:26px;overflow:hidden;position:relative}
.app-teaser .inner{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;align-items:center;padding:44px 46px}
.app-teaser .eyebrow{color:var(--gold-bright)}
.app-teaser h2{color:#F7F1E6}
.app-teaser p{color:#C4D0CF;margin-top:14px;max-width:440px}
.app-teaser .peek{display:flex;gap:16px;justify-content:center}
.app-teaser .cta-row{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap}
@media(max-width:760px){.app-teaser .inner{grid-template-columns:1fr;padding:36px 26px}.app-teaser .peek{margin-top:8px}}

/* ---- phone mockup ---- */
.phone{width:var(--pw,232px);flex:none}
.phone .device{position:relative;background:#161f22;border-radius:34px;padding:9px;
  box-shadow:0 22px 48px -20px rgba(0,0,0,.55),inset 0 0 0 1.5px rgba(255,255,255,.06)}
.phone .device::before{content:"";position:absolute;top:15px;left:50%;transform:translateX(-50%);
  width:38%;height:6px;border-radius:6px;background:rgba(0,0,0,.55);z-index:2}
.phone .screen{border-radius:27px;overflow:hidden;aspect-ratio:393/852;background:var(--paper)}
.phone .screen img{width:100%;height:100%;object-fit:cover}
.phone .cap{text-align:center;margin-top:13px;font-size:13.5px;color:var(--soft);font-weight:500}
.phone .cap b{display:block;color:var(--ink);font-weight:600;font-size:15px;font-family:var(--serif)}

/* ---- notify form ---- */
.notify{max-width:560px}
.notify form{margin-top:22px;display:flex;gap:10px;flex-wrap:wrap}
.notify input[type=email],.notify input[type=text]{flex:1 1 220px;font-family:var(--sans);font-size:16px;
  padding:14px 16px;border:1.5px solid var(--hair);border-radius:12px;background:#fff;color:var(--ink)}
.notify input:focus{outline:none;border-color:var(--aqua);box-shadow:0 0 0 3px var(--aqua-soft)}
.notify .hp{position:absolute;left:-9999px;opacity:0}
.notify .msg{margin-top:14px;font-size:15px;min-height:22px}
.notify .msg.ok{color:var(--aqua-action);font-weight:600}
.notify .msg.err{color:#B5654E;font-weight:600}
.notify .fineprint{margin-top:12px;font-size:13.5px;color:var(--muted)}

/* ---- socials ---- */
.socials{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px}
.social{display:flex;align-items:center;gap:10px;padding:12px 18px;border-radius:14px;border:1.5px solid var(--hair);
  background:#fff;font-weight:600;font-size:15px;color:var(--slate-2);transition:.2s}
.social svg{width:20px;height:20px}
a.social:hover{border-color:var(--aqua);color:var(--aqua-action);text-decoration:none;transform:translateY(-1px)}
.social.soon{color:var(--muted);cursor:default;background:var(--paper)}
.social.soon .tag{margin-left:2px;font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--gold);
  border:1px solid var(--gold-soft);border-radius:999px;padding:2px 8px;background:#fff}
.social.live .tag{margin-left:2px;font-size:11px;text-transform:uppercase;letter-spacing:1px;color:#C0392B;font-weight:700}

/* ---- footer ---- */
footer.site{background:var(--slate-2);color:#C4D0CF;padding:44px 0 40px;margin-top:0}
footer.site .inner{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:flex-start}
footer.site .wm{font-family:var(--serif);font-size:21px;font-weight:700;color:#fff}
footer.site .wm .rhe{color:var(--aqua-bright)}
footer.site .footer-logo{height:30px;width:auto;filter:brightness(0) invert(1);opacity:.92}
footer.site a{color:#9FE3DF}
footer.site .tagl{margin-top:8px;font-size:14px;color:#8EA0A0;max-width:320px}
footer.site .links{display:flex;gap:26px;flex-wrap:wrap;font-size:14px}
footer.site .links a{color:#C4D0CF;font-weight:500;transition:color .2s ease}
footer.site .links a:hover{color:var(--gold-bright);text-decoration:none}
footer.site .legal{margin-top:26px;font-size:12.5px;color:#6E8080;border-top:1px solid rgba(255,255,255,.08);padding-top:18px}

/* ---- rhythms page video grid ---- */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:22px;margin-top:8px}
.vcard{background:#fff;border:1px solid var(--hair);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-card);transition:.2s}
a.vcard:hover{transform:translateY(-2px);text-decoration:none;border-color:var(--aqua-soft)}
.vcard .thumb{position:relative;aspect-ratio:16/9;background:var(--slate-2)}
.vcard .thumb img{width:100%;height:100%;object-fit:cover}
.vcard .thumb .play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.vcard .thumb .play svg{width:54px;height:54px;filter:drop-shadow(0 2px 8px rgba(0,0,0,.4))}
.vcard .meta{padding:14px 16px}
.vcard .meta b{font-family:var(--serif);font-size:16px;color:var(--ink);font-weight:600;display:block;line-height:1.3}
.vcard .meta span{font-size:13px;color:var(--muted)}
.embed-wrap{position:relative;width:100%;aspect-ratio:16/9;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-soft);background:var(--slate-2)}
.embed-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
/* click-to-play facade (avoids YouTube's on-load config errors, e.g. Error 153) */
.video-facade{position:relative;display:block;width:100%;aspect-ratio:16/9;border:0;padding:0;margin:0;cursor:pointer;
  border-radius:18px;overflow:hidden;box-shadow:var(--shadow-soft);background:var(--slate-2)}
.video-facade img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.video-facade::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(20,25,28,0) 45%,rgba(20,25,28,.62))}
.video-facade:hover img{transform:scale(1.035)}
.vf-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:74px;height:53px;z-index:2;transition:transform .2s ease}
.vf-play svg{width:100%;height:100%;filter:drop-shadow(0 4px 12px rgba(0,0,0,.45))}
.video-facade:hover .vf-play{transform:translate(-50%,-50%) scale(1.08)}
.vf-title{position:absolute;left:22px;right:22px;bottom:18px;z-index:2;text-align:left;color:#fff;
  font-family:var(--serif);font-size:20px;font-weight:600;line-height:1.2;text-shadow:0 1px 8px rgba(0,0,0,.55)}
.rhythms-placeholder{background:var(--cream);border:1px dashed var(--gold-soft);border-radius:16px;padding:26px;color:var(--soft);font-size:15px}
/* collection pagination — centred controls, brand-matched pills */
.pagination{display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap;margin:60px auto 10px;text-align:center}
.pagination:empty{display:none}
.pagination .pg-btn{-webkit-appearance:none;appearance:none;display:inline-flex;align-items:center;gap:8px;font-family:var(--sans);font-weight:600;font-size:15px;letter-spacing:.01em;color:var(--ink);padding:11px 24px;border:1.5px solid var(--hair);border-radius:999px;background:#fff;cursor:pointer;text-decoration:none;transition:border-color .2s ease,color .2s ease,box-shadow .2s ease,transform .15s ease}
.pagination button.pg-btn:hover,.pagination a.pg-btn:hover{border-color:var(--aqua);color:var(--aqua-action);text-decoration:none;box-shadow:var(--shadow-card);transform:translateY(-1px)}
.pagination button.pg-btn:active{transform:translateY(0)}
.pagination .pg-btn.disabled{color:var(--muted);border-color:var(--hair);opacity:.55;cursor:default;box-shadow:none;transform:none}
.pagination .pg-btn.disabled:hover{border-color:var(--hair);color:var(--muted);box-shadow:none;transform:none}
/* collection grid: crossfade + gentle lift + animated height between pages,
   so switching pages glides instead of jerking the layout below it */
.video-grid{transition:opacity .26s ease,transform .26s ease}
.video-grid.is-paging{opacity:0;transform:translateY(10px)}
.video-grid.is-anim-h{transition:opacity .26s ease,transform .26s ease,height .4s cubic-bezier(.4,0,.2,1)}
#collection-section{scroll-margin-top:84px}

/* ---- utilities ---- */
.center{text-align:center}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .socials{justify-content:center}
.section-head.center form.notify-form{justify-content:center}
.mt-s{margin-top:14px}.mt-m{margin-top:26px}.mt-l{margin-top:40px}
.divider{height:1px;background:var(--hair);border:0;margin:0}

/* ---- interactive app showcase ---- */
.showcase{display:flex;flex-direction:column;align-items:center;gap:22px}
.showcase-controls{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:center}
/* segmented screen switch */
.seg{position:relative;display:inline-flex;padding:5px;background:var(--cream);border:1px solid var(--hair);border-radius:999px}
.seg-btn{position:relative;z-index:1;border:0;background:transparent;cursor:pointer;font-family:var(--sans);
  font-weight:600;font-size:14.5px;color:var(--soft);padding:9px 20px;border-radius:999px;transition:color .25s ease;white-space:nowrap}
.seg-btn.active{color:#fff}
.seg-btn:focus-visible{outline:2px solid var(--aqua);outline-offset:2px}
.seg-thumb{position:absolute;top:5px;left:0;height:calc(100% - 10px);width:0;background:var(--aqua);border-radius:999px;
  box-shadow:0 6px 16px -6px rgba(63,154,150,.55);z-index:0;
  transition:transform .32s cubic-bezier(.4,0,.2,1),width .32s cubic-bezier(.4,0,.2,1)}
/* day / night toggle */
.theme-switch{display:inline-flex;align-items:center;gap:10px;border:0;background:transparent;cursor:pointer;
  font-family:var(--sans);font-weight:600;font-size:14.5px;color:var(--soft);padding:0}
.theme-switch:focus-visible{outline:2px solid var(--aqua);outline-offset:3px;border-radius:999px}
.ts-track{position:relative;width:62px;height:32px;border-radius:999px;background:var(--gold-soft);
  border:1px solid var(--hair);display:flex;align-items:center;justify-content:space-between;padding:0 8px;transition:background .3s ease,border-color .3s ease}
.theme-switch.is-dark .ts-track{background:var(--slate-2);border-color:var(--slate-3)}
.ts-ico{width:15px;height:15px;position:relative;z-index:1}
.ts-sun{color:var(--gold)}
.ts-moon{color:#B8C4C3}
.theme-switch.is-dark .ts-moon{color:var(--gold-bright)}
.theme-switch.is-dark .ts-sun{color:#6E7C7E}
.ts-knob{position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:#fff;
  box-shadow:0 2px 7px rgba(0,0,0,.28);transition:transform .3s cubic-bezier(.4,0,.2,1)}
.theme-switch.is-dark .ts-knob{transform:translateX(30px)}
/* phone stage with crossfading screens */
.showcase .phone.lg{--pw:264px;cursor:pointer}
.showcase .phone .device{animation:floaty 6s ease-in-out infinite}
.showcase .phone .screen{position:relative}
.showcase .phone .screen .scr{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .45s ease}
.showcase .phone .screen .scr.on{opacity:1}
.showcase-cap{text-align:center;margin-top:2px}
.showcase-cap b{display:block;font-family:var(--serif);font-size:19px;color:var(--ink);font-weight:600}
.showcase-cap span{font-size:14.5px;color:var(--soft)}
.showcase-hint{font-size:12.5px;color:var(--muted);text-align:center;margin-top:-8px}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@media(max-width:540px){
  .showcase .phone.lg{--pw:212px}
  .showcase-controls{flex-direction:column;gap:12px}
  .seg-btn{padding:8px 16px;font-size:14px}
}
@media(prefers-reduced-motion:reduce){.showcase .phone .device{animation:none}}