/* janberzins.com v2 — rev-08 (2026-10-11). Night ground + mist sections, cyan ribbon and one gold bead, from the Ring & String artwork. */
:root{
  --night:#0a0e11; --night2:#10171b; --night3:#16212700;
  --mist:#eef3f4; --mist2:#e2eaec; --paper:#ffffff;
  --on:#eaf0f2; --on2:#a9b6bb; --on3:#77868c;
  --ink:#0d1316; --ink2:#3d4a50; --ink3:#6b787e;
  --cyan:#5fd6e4; --cyan-ink:#0a7a88; --gold:#e9b44c; --gold2:#f4cf7c;
  --line:rgba(234,240,242,.12); --line-l:rgba(13,19,22,.12);
  --display:"Instrument Serif", Georgia, serif;
  --body:"Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --w:1240px; --r:18px; --r2:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--night);color:var(--on);font-family:var(--body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--w);margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--display);font-weight:400;line-height:1.02;margin:0;letter-spacing:-.005em;text-wrap:balance}
h1 em,h2 em,h3 em{font-style:italic;color:var(--cyan)}
.light h1 em,.light h2 em,.light h3 em{color:var(--cyan-ink)}
p{margin:0 0 1em}
.eyebrow{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--on3);font-weight:600}
.light .eyebrow{color:var(--ink3)}
.lede{font-size:clamp(18px,1.6vw,21px);color:var(--on2);max-width:46ch}
.light{background:var(--mist);color:var(--ink)}
.light .lede,.light p{color:var(--ink2)}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;z-index:99;background:var(--gold);color:#000;padding:8px 12px;border-radius:8px}

/* header */
.top{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
.top.scrolled{background:rgba(10,14,17,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;letter-spacing:.02em;font-size:15px}
.brand i{width:22px;height:22px;border-radius:50%;border:3px solid var(--on);position:relative;flex:none}
.brand i::after{content:"";position:absolute;width:7px;height:7px;border-radius:50%;background:var(--gold);right:-6px;top:4px}
.nav{display:flex;align-items:center;gap:4px}
.nav a{text-decoration:none;font-size:14px;font-weight:500;padding:9px 14px;border-radius:999px;color:var(--on2)}
.nav a:hover{color:var(--on);background:rgba(255,255,255,.06)}
.nav a[aria-current="page"]{color:var(--on);background:rgba(255,255,255,.1)}
.nav a.cta{background:var(--gold);color:#111;font-weight:700;margin-left:6px}
.nav a.cta:hover{background:var(--gold2)}
@media (max-width:640px){.nav a:not(.cta){padding:8px 9px}.nav a.cta{padding:8px 12px}.brand span{display:none}}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;font-size:15px;padding:15px 24px;border-radius:999px;border:1px solid var(--line);transition:transform .15s,background .15s,border-color .15s;background:transparent}
.btn:hover{transform:translateY(-1px);border-color:var(--on2)}
.btn.gold{background:var(--gold);color:#111;border-color:var(--gold)}
.btn.gold:hover{background:var(--gold2)}
.light .btn{border-color:var(--line-l)}
.btn .dot{width:8px;height:8px;border-radius:50%;background:#111;box-shadow:0 0 0 0 rgba(0,0,0,.4);animation:pulse 2.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(17,17,17,.45)}70%{box-shadow:0 0 0 9px rgba(17,17,17,0)}100%{box-shadow:0 0 0 0 rgba(17,17,17,0)}}

/* hero */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;isolation:isolate}
.hero .bg{position:absolute;inset:-4%;z-index:-2;will-change:transform;transition:transform .2s ease-out}
.hero .bg img{width:100%;height:100%;object-fit:cover;object-position:62% 50%}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(10,14,17,.92) 0%,rgba(10,14,17,.7) 38%,rgba(10,14,17,.05) 70%),linear-gradient(0deg,var(--night) 0%,rgba(10,14,17,0) 30%)}
.hero .wrap{width:100%;padding-top:120px;padding-bottom:clamp(56px,9vh,110px)}
.hero h1{font-size:clamp(52px,8.4vw,128px);max-width:11ch;margin:18px 0 24px}
.hero .lede{max-width:40ch}
.hero .cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.who-chip{display:inline-flex;align-items:center;gap:12px;padding:6px 16px 6px 6px;border:1px solid var(--line);border-radius:999px;background:rgba(10,14,17,.5);backdrop-filter:blur(6px)}
.who-chip img{width:38px;height:38px;border-radius:50%;object-fit:cover}
.who-chip span{font-size:13px;color:var(--on2)}
.who-chip b{color:var(--on);font-weight:600}
.scroll-cue{position:absolute;right:24px;bottom:28px;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--on3);writing-mode:vertical-rl}
@media (max-width:760px){
  .hero{align-items:flex-end}
  .hero .bg{inset:0 0 auto 0;height:62svh}
  .hero .bg img{object-position:78% 50%}
  .hero::before{background:linear-gradient(0deg,var(--night) 42%,rgba(10,14,17,.55) 62%,rgba(10,14,17,0) 80%)}
  .scroll-cue{display:none}
}

/* sections */
section{padding:clamp(80px,11vw,150px) 0;position:relative}
.head{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:24px 64px;align-items:end;margin-bottom:clamp(40px,5vw,64px)}
.head h2{font-size:clamp(40px,5.6vw,80px)}
.head p{margin:0;max-width:50ch;color:var(--on2)}
.light .head p{color:var(--ink2)}
@media (max-width:860px){.head{grid-template-columns:1fr}}

/* the string selector */
.string{position:relative}
.string-rail{position:relative;height:110px;margin:0 0 28px}
.string-rail svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.string-rail path{fill:none;stroke:url(#strg);stroke-width:2.5}
.beads{position:absolute;inset:0;display:grid;grid-template-columns:repeat(6,1fr);align-items:center}
.bead{background:none;border:0;display:flex;flex-direction:column;align-items:center;gap:10px;padding:0;color:var(--on2)}
.bead i{width:22px;height:22px;border-radius:50%;background:var(--night2);border:2px solid var(--on3);transition:transform .25s,background .25s,border-color .25s,box-shadow .25s}
.bead span{font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase}
.bead:hover i{border-color:var(--on)}
.bead[aria-selected="true"]{color:var(--on)}
.bead[aria-selected="true"] i{background:var(--gold);border-color:var(--gold);transform:scale(1.35);box-shadow:0 0 0 8px rgba(233,180,76,.16),0 0 30px rgba(233,180,76,.5)}
.bead:nth-child(odd){transform:translateY(-14px)} .bead:nth-child(even){transform:translateY(14px)}
.bead .sm{display:none}
@media (max-width:700px){.bead span{font-size:10px;letter-spacing:.02em}.bead .lg{display:none}.bead .sm{display:block}.string-rail{height:90px}}
.stage{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:center;min-height:420px}
.stage .media{position:relative;border-radius:var(--r2);overflow:hidden;aspect-ratio:16/10;background:var(--night2);border:1px solid var(--line)}
.stage .media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.04);transition:opacity .6s ease,transform 1.2s ease}
.stage .media img.on{opacity:1;transform:none}
.stage .num{font-family:var(--display);font-size:20px;color:var(--gold)}
.stage h3{font-size:clamp(34px,3.6vw,52px);margin:8px 0 16px}
.stage p{color:var(--on2)}
.gets{list-style:none;padding:0;margin:18px 0 24px;display:grid;gap:10px}
.gets li{display:flex;gap:12px;align-items:flex-start;color:var(--on)}
.gets li::before{content:"";flex:none;width:8px;height:8px;margin-top:9px;border-radius:50%;background:var(--cyan)}
.panel-anim{animation:rise .5s ease}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@media (max-width:860px){.stage{grid-template-columns:1fr}}
.progress{height:2px;background:var(--line);border-radius:2px;overflow:hidden;margin-top:28px}
.progress b{display:block;height:100%;width:0;background:var(--gold)}

/* proof numbers */
.proof{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid var(--line-l)}
.proof div{padding:28px 20px 0 0}
.proof b{display:block;font-family:var(--display);font-weight:400;font-size:clamp(54px,6vw,92px);line-height:.95;color:var(--ink)}
.proof span{display:block;margin-top:12px;font-size:14px;color:var(--ink3);max-width:24ch}
@media (max-width:760px){.proof{grid-template-columns:repeat(2,minmax(0,1fr))}.proof div{padding-bottom:16px}}

/* calculator */
.calc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0;border-radius:var(--r2);overflow:hidden;border:1px solid var(--line)}
.calc .in{padding:clamp(24px,4vw,48px);background:var(--night2);display:grid;gap:26px}
.calc .out{padding:clamp(24px,4vw,48px);background:linear-gradient(160deg,#123139,#0b1a1f 70%);display:flex;flex-direction:column;justify-content:center}
.field label{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:var(--on2);margin-bottom:10px}
.field label output{font-weight:700;color:var(--on);font-variant-numeric:tabular-nums}
input[type=range]{width:100%;-webkit-appearance:none;appearance:none;height:4px;border-radius:4px;background:var(--line);outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:var(--gold);border:4px solid var(--night2);box-shadow:0 0 0 1px var(--gold)}
input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--gold);border:4px solid var(--night2)}
.big{font-family:var(--display);font-size:clamp(56px,7vw,104px);line-height:.95;color:var(--on);font-variant-numeric:tabular-nums}
.out .k{font-size:14px;color:var(--on2);margin-top:8px}
.out .row{display:flex;gap:32px;flex-wrap:wrap;margin:28px 0}
.out .row b{display:block;font-family:var(--display);font-size:40px;font-weight:400;color:var(--cyan)}
.out .note{font-size:13px;color:var(--on3);margin:18px 0 0}
@media (max-width:860px){.calc{grid-template-columns:1fr}}

/* about */
.about{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(32px,6vw,90px);align-items:center}
.about .ph{border-radius:var(--r2);overflow:hidden;position:relative}
.about .ph::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px var(--line);border-radius:inherit}
.about h2{font-size:clamp(40px,5vw,72px);margin:12px 0 24px}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:18px 0 0}
.chips li{font-size:13px;border:1px solid var(--line);border-radius:999px;padding:5px 13px;color:var(--on2)}
@media (max-width:860px){.about{grid-template-columns:1fr}.about .ph{max-width:420px}}

/* academy */
.wide-card{position:relative;border-radius:var(--r2);overflow:hidden;min-height:540px;display:flex;align-items:flex-end;isolation:isolate}
.wide-card>img,.wide-card>picture img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.wide-card::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(10,14,17,.9),rgba(10,14,17,.35) 60%,rgba(10,14,17,0))}
.wide-card .txt{padding:clamp(28px,5vw,64px);max-width:620px}
.wide-card h2{font-size:clamp(40px,5vw,72px);margin:12px 0 18px}
@media (max-width:760px){.wide-card{min-height:620px}.wide-card::before{background:linear-gradient(0deg,rgba(10,14,17,.95) 35%,rgba(10,14,17,.2))}}

/* offer */
.offer{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:clamp(28px,5vw,72px);align-items:start}
.offer h2{font-size:clamp(44px,6vw,92px)}
.steps{list-style:none;padding:0;margin:0;display:grid;gap:14px;counter-reset:s}
.steps li{counter-increment:s;background:var(--paper);border:1px solid var(--line-l);border-radius:var(--r);padding:20px 22px 20px 70px;position:relative}
.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;left:22px;top:18px;font-family:var(--display);font-size:28px;color:var(--cyan-ink)}
.steps b{display:block;color:var(--ink);margin-bottom:4px}
.steps span{color:var(--ink2);font-size:15px}
.fineprint{font-size:14px;color:var(--ink3);margin-top:18px}
@media (max-width:860px){.offer{grid-template-columns:1fr}}

/* work grid */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.filters button{border:1px solid var(--line);background:transparent;border-radius:999px;padding:9px 16px;font-size:14px;font-weight:600;color:var(--on2)}
.filters button:hover{color:var(--on);border-color:var(--on3)}
.filters button[aria-pressed="true"]{background:var(--on);color:var(--night);border-color:var(--on)}
.filters .n{opacity:.55;margin-left:6px;font-weight:500}
.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:14px}
.tile{grid-column:span 4;position:relative;border-radius:var(--r);overflow:hidden;background:var(--night2);border:1px solid var(--line);text-align:left;padding:0;aspect-ratio:4/3;transition:opacity .3s,transform .3s}
.tile.w8{grid-column:span 8;aspect-ratio:auto}
.tile.w6{grid-column:span 6}
.tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .8s ease}
.tile:hover img{transform:scale(1.04)}
.tile .cap{position:absolute;left:0;right:0;bottom:0;padding:48px 18px 16px;background:linear-gradient(0deg,rgba(10,14,17,.92),rgba(10,14,17,0))}
.tile .cap b{display:block;font-family:var(--display);font-weight:400;font-size:26px;line-height:1.1}
.tile .cap span{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--on2)}
.tile[hidden]{display:none}
@media (max-width:900px){.tile,.tile.w8,.tile.w6{grid-column:span 12;aspect-ratio:16/10}}

/* lightbox */
.lb{position:fixed;inset:0;z-index:100;background:rgba(5,8,10,.94);display:none;align-items:center;justify-content:center;padding:24px}
.lb.open{display:flex}
.lb-in{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:28px;max-width:1280px;width:100%;max-height:92svh;align-items:center}
.lb-in img{width:100%;max-height:82svh;object-fit:contain;border-radius:var(--r)}
.lb h3{font-size:clamp(30px,3vw,44px);margin:8px 0 14px}
.lb p{color:var(--on2)}
.lb .x,.lb .pv,.lb .nx{position:absolute;background:rgba(255,255,255,.08);border:1px solid var(--line);border-radius:999px;width:46px;height:46px;font-size:20px}
.lb .x{top:18px;right:18px}.lb .pv{left:18px;top:50%}.lb .nx{right:18px;top:50%}
@media (max-width:860px){.lb-in{grid-template-columns:1fr;overflow:auto}.lb .pv,.lb .nx{top:auto;bottom:18px}}

/* booking */
.book{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:clamp(20px,3vw,40px);align-items:start}
.card{background:var(--night2);border:1px solid var(--line);border-radius:var(--r2);padding:clamp(20px,3vw,34px)}
.cal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.cal-head h3{font-size:30px}
.cal-head .tz{font-size:13px;color:var(--on3)}
.days{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:6px}
.days .dow{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--on3);text-align:center;padding-bottom:6px}
.day{aspect-ratio:1;border-radius:12px;border:1px solid var(--line);background:transparent;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-variant-numeric:tabular-nums}
.day b{font-size:17px;font-weight:700}
.day small{font-size:10px;color:var(--on3)}
.day:disabled{opacity:.25;cursor:not-allowed}
.day:not(:disabled):hover{border-color:var(--cyan)}
.day[aria-pressed="true"]{background:var(--gold);border-color:var(--gold);color:#111}
.day[aria-pressed="true"] small{color:#3b2c0a}
.day.empty{border:0}
.slots{display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:8px;margin-top:18px}
.slot{border:1px solid var(--line);background:transparent;border-radius:12px;padding:12px 6px;font-weight:700;font-variant-numeric:tabular-nums}
.slot:hover{border-color:var(--cyan)}
.slot[aria-pressed="true"]{background:var(--cyan);color:#062126;border-color:var(--cyan)}
.hint{font-size:14px;color:var(--on3);margin-top:14px}
form.bk{display:grid;gap:14px}
.f{display:grid;gap:6px}
.f label{font-size:14px;color:var(--on2);font-weight:600}
.f input,.f select,.f textarea{width:100%;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:12px;padding:13px 14px;color:var(--on);font:inherit}
.f input:focus,.f select:focus,.f textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(95,214,228,.18)}
.f input[aria-invalid="true"]{border-color:#f08a7a}
.f .err{font-size:13px;color:#f3a497;min-height:0}
.f textarea{min-height:90px;resize:vertical}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--on2)}
.consent input{margin-top:4px;width:18px;height:18px;accent-color:var(--gold)}
.picked{border:1px dashed var(--line);border-radius:12px;padding:12px 14px;font-size:15px;color:var(--on2)}
.picked b{color:var(--gold)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.done{text-align:left}
.done h3{font-size:40px;margin:10px 0 12px}
@media (max-width:960px){.book{grid-template-columns:1fr}}

/* footer */
.foot{border-top:1px solid var(--line);padding:36px 0 48px;font-size:14px;color:var(--on3)}
.foot .wrap{display:flex;flex-wrap:wrap;gap:14px 28px;justify-content:space-between;align-items:center}
.foot nav{display:flex;flex-wrap:wrap;gap:6px 20px}
.foot a{text-decoration:none}.foot a:hover{color:var(--on)}

/* sticky book button on phones */
.float-cta{position:fixed;right:16px;bottom:16px;z-index:40;display:none}
@media (max-width:760px){.float-cta{display:inline-flex;box-shadow:0 10px 30px rgba(0,0,0,.4);opacity:0;transform:translateY(20px);pointer-events:none;transition:opacity .3s,transform .3s}.float-cta.show{opacity:1;transform:none;pointer-events:auto}}

/* reveal */
.rv{opacity:0;transform:translateY(22px);transition:opacity .8s ease,transform .8s ease}
.rv.in{opacity:1;transform:none}
.no-js .rv{opacity:1;transform:none}