/* Nirvana Yoga · concept site by Brand Evolution */
:root{
  --night:#141833; --indigo:#1B1F3B; --violet:#3B3561; --mauve:#7B5E86;
  --peach:#F4B69C; --sun:#F2A541; --sun-2:#FFD08A; --rose:#E58C7A;
  --river:#5E7F92; --cream:#FBF4EA; --sand:#F1E6D6; --paper:#FFFBF5;
  --ink:#24213A; --ink-2:#575269;
  --serif:'Fraunces','Iowan Old Style',Georgia,serif;
  --sans:'Karla',system-ui,-apple-system,'Segoe UI',sans-serif;
  --ease:cubic-bezier(.22,.8,.2,1);
  --gutter:clamp(16px,4.5vw,64px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:80px}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{margin:0;background:var(--cream);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased}
svg,canvas{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{font-family:var(--serif);font-weight:300;margin:0;line-height:1.05;letter-spacing:-.015em;font-variation-settings:"opsz" 120}
h1 i,h2 i{font-weight:300}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--sun);outline-offset:3px;border-radius:4px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--ink);color:#fff;padding:10px 16px}
.skip:focus{left:16px}
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 var(--gutter)}
.eyebrow{font-size:13px;letter-spacing:.22em;text-transform:uppercase;font-weight:600;color:var(--sun-2);margin-bottom:20px;display:flex;align-items:center;gap:12px}
.eyebrow::before{content:"";width:28px;height:1px;background:currentColor}
.eyebrow-dark{color:#9A5A2C}
.body{color:var(--ink-2);max-width:58ch;font-size:clamp(16px,1.15vw,18px)}
.body-light{color:#D9D3E6}
.sec-head{max-width:760px;margin-bottom:clamp(36px,5vw,64px)}
.sec-head h2{font-size:clamp(38px,5vw,68px);margin-bottom:18px}
.sec-head h2 i{color:#9A5A2C}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 26px;border-radius:999px;font:600 16px var(--sans);text-decoration:none;cursor:pointer;border:1px solid transparent;transition:background .5s var(--ease),color .5s,border-color .5s,transform .5s var(--ease)}
.btn:hover{transform:translateY(-2px)}
.btn-sun{background:var(--sun-2);color:#2A1A08}
.btn-sun:hover{background:#FFE0AE}
.btn-ghost{border-color:rgba(255,240,220,.45);color:#FFF4E6;background:rgba(20,24,51,.25);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.btn-ghost:hover{border-color:#FFF4E6;background:rgba(20,24,51,.45)}

/* nav */
.nav{position:fixed;inset:0 0 auto 0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px var(--gutter);color:#FFF4E6;transition:background .6s var(--ease),padding .6s var(--ease),color .6s,box-shadow .6s}
.nav{border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(251,244,234,.85);color:var(--ink);backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4);padding-top:12px;padding-bottom:12px;border-bottom-color:rgba(154,90,44,.16)}
.nav.scrolled.on-dark{background:rgba(27,31,59,.8);color:#FFF4E6;border-bottom-color:rgba(255,208,138,.18)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--serif);font-size:24px;font-weight:400}
.brand i{font-weight:300}
.brand-mark{width:34px;height:24px;color:var(--sun)}
.nav nav{display:flex;align-items:center;gap:30px}
.nav nav a{text-decoration:none;font-size:15px;font-weight:500;letter-spacing:.03em;position:relative;padding:6px 0}
.nav nav a:not(.nav-cta)::after{content:"";position:absolute;left:50%;right:50%;bottom:0;height:1px;background:currentColor;transition:left .5s var(--ease),right .5s var(--ease)}
.nav nav a:hover::after{left:0;right:0}
.nav-cta{border:1px solid currentColor;border-radius:999px;padding:8px 18px!important}

/* hero */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;padding:110px 0 90px;overflow:hidden;color:#FFF4E6;
  background:linear-gradient(180deg,#141833 0%,#2C2A55 38%,#7B5E86 56%,#F0A98E 64%,#3E4E6A 66%,#1C2440 100%)}
#dawn{position:absolute;inset:0;width:100%;height:100%;z-index:0}
/* photographed Ganga at dawn (img/drawings.json): the risen-sun frame fades in with scroll; the canvas painting is the fallback */
.dawn-ph{position:absolute;inset:0;z-index:0;opacity:0;transition:opacity .8s;overflow:hidden}
.hero.ph .dawn-ph{opacity:1}
.dawn-ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:62% 45%;transform-origin:62% 40%;animation:dawnDrift 36s ease-in-out infinite alternate}
.dawn-ph .dawn-up{opacity:var(--lift,0)}
@keyframes dawnDrift{from{transform:scale(1.02)}to{transform:scale(1.1) translateX(-1.5%)}}
@media (prefers-reduced-motion:reduce){.dawn-ph img{animation:none;transform:scale(1.02)}}
.hero-veil{position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(90deg,rgba(20,24,51,.62) 0%,rgba(20,24,51,.3) 45%,rgba(20,24,51,0) 70%),linear-gradient(0deg,rgba(20,24,51,.45),transparent 30%)}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,64px);align-items:center}
.hero h1{font-size:clamp(46px,6.8vw,104px);margin-bottom:24px;text-shadow:0 2px 30px rgba(20,24,51,.35)}
.hero h1 i{color:var(--sun-2)}
.lede{font-size:clamp(17px,1.35vw,20px);color:#EDE6F2;max-width:46ch;margin-bottom:32px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.hero-copy>*{animation:rise .9s var(--ease) both}
.hero-copy>*:nth-child(2){animation-delay:.08s}.hero-copy>*:nth-child(3){animation-delay:.16s}.hero-copy>*:nth-child(4){animation-delay:.24s}
.breath{animation:rise 1.1s .25s var(--ease) both;display:flex;flex-direction:column;align-items:center;text-align:center}
.hero-scroll{position:absolute;z-index:2;left:50%;bottom:22px;transform:translateX(-50%);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:rgba(255,244,230,.7);white-space:nowrap}

/* breathing orb */
.orb-stage{position:relative;width:min(380px,74vw);aspect-ratio:1;display:grid;place-items:center}
#motes{position:absolute;inset:-14%;width:128%;height:128%;pointer-events:none}
.orb-ring{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg)}
.ring-track{fill:none;stroke:rgba(255,244,230,.16);stroke-width:1.2}
.ring-prog{fill:none;stroke:var(--sun-2);stroke-width:2.2;stroke-linecap:round;stroke-dasharray:100;stroke-dashoffset:100;transition:stroke .6s}
.orb{position:absolute;inset:12%;border-radius:50%;transform:scale(.62);will-change:transform}
.orb-core{position:absolute;inset:0;border-radius:50%;background:radial-gradient(circle at 38% 32%,#FFF3DA 0%,#FFD08A 22%,#F2A541 48%,#E58C7A 74%,#8E5C86 100%);box-shadow:0 0 60px 10px rgba(242,165,65,.35),0 0 140px 40px rgba(229,140,122,.18),inset -18px -24px 50px rgba(59,53,97,.45)}
.orb-shine{position:absolute;left:22%;top:16%;width:30%;height:20%;border-radius:50%;background:radial-gradient(ellipse,rgba(255,255,255,.75),transparent 70%);filter:blur(2px)}
.orb.idle{animation:idle 6s ease-in-out infinite}
@keyframes idle{0%,100%{transform:scale(.62)}50%{transform:scale(.68)}}
.orb-text{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:2px;pointer-events:none;color:#2A1A08;text-shadow:0 1px 10px rgba(255,240,215,.6)}
.cue{font-family:var(--serif);font-size:clamp(24px,2.6vw,34px);font-weight:400;font-style:italic;line-height:1}
.count{font-size:15px;font-weight:600;letter-spacing:.14em;font-variant-numeric:tabular-nums}
.breath-ctl{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;margin-top:20px}
.pattern{display:inline-flex;background:rgba(20,24,51,.4);border:1px solid rgba(255,244,230,.22);border-radius:999px;padding:4px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.pat{border:0;background:none;color:#EDE6F2;font:600 14px var(--sans);padding:9px 14px;border-radius:999px;cursor:pointer;transition:background .4s,color .4s}
.pat.on{background:#FFF4E6;color:var(--indigo)}
.btn-play{min-height:46px;background:#FFF4E6;color:var(--indigo);padding:0 22px}
.btn-play .ico{width:0;height:0;border-left:10px solid currentColor;border-top:6px solid transparent;border-bottom:6px solid transparent}
.btn-play[aria-pressed="true"] .ico{width:10px;height:12px;border:0;border-left:3px solid currentColor;border-right:3px solid currentColor}
.breath-note{margin-top:14px;font-size:14px;color:#D9D3E6;max-width:40ch;min-height:3.2em}

/* approach */
.approach{padding:clamp(90px,12vw,170px) 0 clamp(70px,9vw,120px)}
.ideas{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(18px,2.4vw,36px)}
.idea{border-top:1px solid rgba(36,33,58,.18);padding-top:24px}
.glyph{width:64px;height:64px;margin-bottom:16px}
.glyph *{fill:none;stroke:#9A5A2C;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.idea .num{font-size:13px;letter-spacing:.2em;color:var(--ink-2);margin-bottom:6px}
.idea h3{font-size:clamp(24px,2vw,30px);margin-bottom:12px;font-weight:400}
.idea>p:last-child{color:var(--ink-2);font-size:16px}
.day-strip{margin-top:clamp(56px,7vw,96px);background:var(--sand);border-radius:28px;padding:clamp(22px,3vw,40px)}
.day-title{font-family:var(--serif);font-style:italic;font-size:22px;margin-bottom:18px}
.day-line{display:grid;grid-template-columns:repeat(6,1fr);gap:0;position:relative}
.day-line::before{content:"";position:absolute;left:6px;right:6px;top:7px;height:1px;background:linear-gradient(90deg,var(--violet),var(--sun),var(--rose),var(--violet))}
.day-line li{position:relative;padding:28px 12px 0 0;font-size:15px;color:var(--ink-2)}
.day-line li::before{content:"";position:absolute;left:0;top:0;width:15px;height:15px;border-radius:50%;background:var(--paper);border:2px solid var(--sun)}
.day-line b{display:block;font-family:var(--serif);font-weight:400;font-size:24px;color:var(--ink)}

/* timetable */
.timetable{padding:clamp(70px,9vw,130px) 0;background:var(--paper)}
.filters{display:flex;flex-wrap:wrap;gap:14px 28px;align-items:center;margin-bottom:28px}
.fgroup{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.flabel{font-size:12px;letter-spacing:.18em;text-transform:uppercase;font-weight:600;color:var(--ink-2);margin-right:4px}
.fbtn{border:1px solid rgba(36,33,58,.2);background:transparent;color:var(--ink);font:500 14px var(--sans);padding:7px 14px;border-radius:999px;cursor:pointer;transition:background .35s,color .35s,border-color .35s}
.fbtn:hover{border-color:var(--ink)}
.fbtn.on{background:var(--indigo);border-color:var(--indigo);color:#FFF4E6}
.fcount{font-size:14px;color:var(--ink-2);margin-left:auto}
.week{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:10px}
.dcol h3{font-family:var(--sans);font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2);padding:0 4px 10px;border-bottom:1px solid rgba(36,33,58,.12);margin-bottom:10px;display:flex;justify-content:space-between}
.dcol h3 span{font-weight:400;letter-spacing:0;text-transform:none}
.dcol.today h3{color:#9A5A2C}
.cls{position:relative;background:var(--cream);border-radius:14px;padding:12px 12px 12px 14px;margin-bottom:8px;overflow:hidden;transition:opacity .45s var(--ease),transform .45s var(--ease),max-height .45s var(--ease),margin .45s,padding .45s;max-height:200px}
.cls::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--c,var(--sun))}
.cls time{font-size:13px;font-weight:600;color:var(--ink-2);font-variant-numeric:tabular-nums}
.cls strong{display:block;font-family:var(--serif);font-weight:400;font-size:18px;line-height:1.2;margin:2px 0 4px}
.cls small{font-size:12.5px;color:var(--ink-2)}
.cls.out{opacity:0;transform:scale(.96);max-height:0;margin:0;padding-top:0;padding-bottom:0}
.cls[data-style="Hatha"]{--c:#E2913A}.cls[data-style="Vinyasa"]{--c:#D46A5A}.cls[data-style="Yin"]{--c:#7B5E86}.cls[data-style="Breathwork"]{--c:#4F8AA0}.cls[data-style="Meditation"]{--c:#3B3561}
.empty-day{font-size:13px;color:#8C86A0;padding:6px 4px;display:none}
.dcol.none .empty-day{display:block}
.nojs{color:var(--ink-2)}

/* retreats */
.retreats{padding:clamp(80px,11vw,160px) 0;background:linear-gradient(180deg,var(--indigo),#26244A 60%,#3B3561);color:#FFF4E6}
.retreats .sec-head h2 i{color:var(--sun-2)}
.ret-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ret{position:relative;border-radius:26px;padding:clamp(24px,2.6vw,36px);background:rgba(255,255,255,.05);border:1px solid rgba(255,244,230,.14);overflow:hidden;isolation:isolate;transition:transform .6s var(--ease),border-color .6s}
.ret::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(360px circle at var(--mx,50%) var(--my,0%),rgba(242,165,65,.22),transparent 60%);opacity:0;transition:opacity .5s}
.ret:hover{transform:translateY(-6px);border-color:rgba(255,208,138,.45)}
.ret:hover::before{opacity:1}
.ret-mid{background:rgba(255,208,138,.08)}
.ret-len{font-size:13px;letter-spacing:.2em;text-transform:uppercase;color:var(--sun-2);font-weight:600;margin-bottom:10px}
.ret h3{font-size:clamp(30px,2.8vw,40px);margin-bottom:12px}
.ret-price{font-family:var(--serif);font-size:clamp(30px,2.8vw,40px);font-weight:400;margin-bottom:20px}
.ret-price span{font-family:var(--sans);font-size:14px;color:#BDB5CF}
.ret li{position:relative;padding-left:18px;margin-bottom:8px;color:#E3DCEC;font-size:16px}
.ret li::before{content:"";position:absolute;left:0;top:.65em;width:6px;height:6px;border-radius:50%;background:var(--sun)}
.ret-dates{margin-top:18px;padding-top:14px;border-top:1px solid rgba(255,244,230,.14);font-size:14px;color:#BDB5CF}
.ret-note{margin-top:22px;font-size:14px;color:#BDB5CF}

/* visit */
.visit{padding:clamp(80px,10vw,140px) 0}
.visit-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,80px);align-items:start}
.visit h2{font-size:clamp(38px,5vw,64px);margin-bottom:18px}
.visit h2 i{color:#9A5A2C}
.facts{margin:0;display:grid;gap:0;background:var(--sand);border-radius:26px;padding:8px clamp(20px,3vw,32px)}
.facts div{padding:18px 0;border-bottom:1px solid rgba(36,33,58,.1)}
.facts div:last-child{border-bottom:0}
.facts dt{font-size:12px;letter-spacing:.2em;text-transform:uppercase;font-weight:600;color:#9A5A2C;margin-bottom:4px}
.facts dd{margin:0}

.foot{background:var(--night);color:#BDB5CF;padding:44px 0 80px;font-size:14px}
.foot-grid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;align-items:center}
.foot-brand{font-family:var(--serif);font-size:24px;color:#FFF4E6}
.concept-badge{position:fixed;left:16px;bottom:16px;z-index:50;font-size:11px;letter-spacing:.12em;text-transform:uppercase;text-decoration:none;color:#FFF4E6;background:rgba(20,24,51,.88);padding:8px 13px;border-radius:999px;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border:1px solid rgba(255,208,138,.3)}
.concept-badge:hover{background:#7A4A1E}

/* reveals (JS opt-in) */
.rv [data-reveal]{opacity:0;transform:translateY(26px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.rv [data-reveal].in{opacity:1;transform:none}
.rv .glyph *{stroke-dasharray:200;stroke-dashoffset:200;transition:stroke-dashoffset 2.2s var(--ease) .3s}
.rv .idea.in .glyph *{stroke-dashoffset:0}

@media (max-width:1080px){
  .ideas{grid-template-columns:repeat(2,1fr)}
  .week{grid-template-columns:repeat(4,minmax(0,1fr))}
  .day-line{grid-template-columns:repeat(3,1fr);row-gap:22px}
  .day-line::before{display:none}
}
@media (max-width:900px){
  .hero-grid,.visit-grid{grid-template-columns:1fr}
  .hero{padding-top:100px;align-items:flex-start}
  .hero-grid{gap:40px}
  .ret-grid{grid-template-columns:1fr}
  .nav nav a:not(.nav-cta){display:none}
  .hero-veil{background:linear-gradient(180deg,rgba(20,24,51,.55),rgba(20,24,51,.15) 50%,rgba(20,24,51,.5))}
  .hero-scroll{display:none}
}
@media (max-width:560px){
  .ideas{grid-template-columns:1fr}
  .week{grid-template-columns:1fr}
  .dcol h3{position:sticky;top:60px;background:var(--paper);z-index:1;padding-top:8px}
  .day-line{grid-template-columns:repeat(2,1fr)}
  .fcount{margin-left:0;width:100%}
  .brand{font-size:21px}
  .orb-stage{width:min(300px,78vw)}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .orb{transform:scale(.85)}
  .orb.idle{animation:none}
}

/* real photos of the river, the path and the rooftop (img/spec.json) */
.ret{--rp:clamp(24px,2.6vw,36px)}
.ret-ph{display:block;width:calc(100% + 2 * var(--rp));max-width:none;height:auto;aspect-ratio:8/5;object-fit:cover;margin:calc(-1 * var(--rp)) calc(-1 * var(--rp)) 22px;opacity:.92;transition:opacity .4s}
.ret:hover .ret-ph{opacity:1}
.visit-ph{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:22px;margin-top:28px}