/*! JYOTISH.info presentation engine — shared styles (public /why/ deck and the internal team deck).
 * Night sky, brass rules, one accent per section. © SellnShip Solutions Pvt. Ltd.
 * Edit this file in site/present/shared/ and run `node build-present.mjs`; the deck folders get a copy. */

/* metric-matched fallbacks (same as the site) so nothing jumps when the real fonts arrive */
@font-face{font-family:'Plex Fallback';src:local('Arial'),local('Roboto'),local('Liberation Sans');size-adjust:91.96%;ascent-override:111.46%;descent-override:29.9%;line-gap-override:0%}
@font-face{font-family:'Cormorant Fallback';src:local('Times New Roman'),local('Noto Serif'),local('Liberation Serif');size-adjust:88.92%;ascent-override:103.92%;descent-override:32.28%;line-gap-override:0%}
@font-face{font-family:'Tiro Fallback';src:local('Noto Sans Devanagari');size-adjust:120.62%;ascent-override:62.59%;descent-override:20.31%;line-gap-override:27.36%}

@property --glow{syntax:'<color>';inherits:true;initial-value:#c9a24e}

:root{
  --bg:#070a13;--bg2:#0d1220;--glass:rgba(12,17,31,.78);--glass2:rgba(18,25,44,.55);
  --fg:#ece6d6;--fg2:#b1b4c4;--fg3:#8f93a9;--line:#263150;--line2:#1a2238;
  --brass:#c9a24e;--brass2:#ecd38b;--brass-dim:rgba(201,162,78,.16);--brass-line:rgba(201,162,78,.45);
  --sky:#8fb6ff;--mint:#9ff0bf;--saffron:#f0a24b;--moon:#cfd6e6;
  --accent:#c9a24e;--accent2:#ecd38b;--accent-rgb:201,162,78;--glow:#c9a24e;
  --f-display:'Cormorant Garamond','Cormorant Fallback','Tiro Devanagari Hindi',Georgia,'Times New Roman',serif;
  --f-dev:'Tiro Devanagari Hindi','Tiro Fallback','Cormorant Garamond',Georgia,serif;
  --f-body:'IBM Plex Sans','Plex Fallback','Noto Sans Devanagari',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --f-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,'Liberation Mono',monospace;
  --gut:clamp(16px,4.2vw,64px);--bar-h:56px;--radius:14px;
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;overflow:hidden;background:var(--bg);color:var(--fg);font-family:var(--f-body);font-size:16px;line-height:1.55;-webkit-text-size-adjust:100%;-webkit-font-smoothing:antialiased}
html[lang="hi"] body{font-family:'Noto Sans Devanagari',var(--f-body);line-height:1.7}
body{position:fixed;inset:0}
::selection{background:rgba(201,162,78,.35);color:var(--fg)}
a{color:var(--accent2);text-decoration:none}
a:hover{text-decoration:underline}
button{font:inherit;color:inherit;-webkit-tap-highlight-color:transparent}
:focus-visible{outline:2px solid var(--accent2);outline-offset:3px;border-radius:4px}
p{margin:0}
h1,h2,h3,h4{margin:0;font-weight:400}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:fixed;left:8px;top:-60px;z-index:100;background:var(--brass);color:#120d02;padding:10px 14px;border-radius:8px;font-weight:500}
.skip:focus{top:8px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.dev{font-family:var(--f-dev)}

/* ---------- the sky behind everything ---------- */
#stars{position:fixed;inset:0;z-index:0;width:100%;height:100%;pointer-events:none}
.sky-bg{position:fixed;inset:0;z-index:0;pointer-events:none;background:radial-gradient(120% 80% at 50% -10%,#141b33 0%,#0a0f1d 45%,#070a13 100%)}
.nebula{position:fixed;inset:-20%;z-index:0;pointer-events:none;background:radial-gradient(40% 35% at 72% 30%,rgba(76,61,150,.26),transparent 70%),radial-gradient(30% 30% at 22% 72%,rgba(31,96,130,.2),transparent 70%),radial-gradient(25% 25% at 55% 88%,rgba(140,80,120,.12),transparent 70%);filter:blur(10px);animation:drift 70s ease-in-out infinite alternate}
@keyframes drift{from{transform:translate3d(0,0,0)}to{transform:translate3d(3%,-2%,0)}}
.glow{position:fixed;inset:0;z-index:0;pointer-events:none;background:radial-gradient(55% 50% at 76% 42%,color-mix(in srgb,var(--glow) 13%,transparent),transparent 72%);transition:--glow 1s ease}
.sky-vig{position:fixed;inset:0;z-index:1;pointer-events:none;background:linear-gradient(180deg,rgba(7,10,19,.35) 0%,rgba(7,10,19,0) 22%,rgba(7,10,19,0) 70%,rgba(7,10,19,.55) 100%)}

/* ---------- chrome ---------- */
.prog{position:fixed;top:0;left:0;right:0;height:3px;z-index:60;background:rgba(255,255,255,.06)}
.prog i{display:block;height:100%;width:100%;background:var(--accent-live,var(--brass));transform:scaleX(0);transform-origin:left;transition:background-color .7s}
.bar{position:fixed;top:0;left:0;right:0;z-index:50;height:var(--bar-h);display:flex;align-items:center;justify-content:space-between;gap:12px;padding:3px var(--gut) 0;background:linear-gradient(180deg,rgba(7,10,19,.97) 0%,rgba(7,10,19,.97) 74%,rgba(7,10,19,0) 100%);pointer-events:none}
.bar>*{pointer-events:auto}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--fg);text-decoration:none;min-height:44px}
.logo:hover{text-decoration:none}
.logo svg{width:32px;height:32px;flex:none;color:var(--brass2)}
.logo .wm{display:flex;flex-direction:column;line-height:1}
.logo .lat{font-family:var(--f-display);font-size:1.15rem;letter-spacing:.08em}
.logo .lat b{font-weight:600}
.logo .sub{font-family:var(--f-dev);font-size:.78rem;color:var(--brass2);margin-top:2px;letter-spacing:.02em}
.logo .tagline{display:none}@media(min-width:1024px){.logo .tagline{display:inline-block;margin-left:12px;padding-left:12px;border-left:1px solid rgba(201,162,78,.35);font-size:.84rem;color:var(--fg3);letter-spacing:.01em;white-space:nowrap}}
.bar .right{display:flex;align-items:center;gap:8px}
.tbtn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:36px;padding:6px 13px;border:1px solid var(--line);background:rgba(10,15,29,.7);color:var(--fg);border-radius:999px;cursor:pointer;font-size:.84rem;font-family:var(--f-body);text-decoration:none;white-space:nowrap;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.tbtn:hover{border-color:var(--accent);text-decoration:none}
.tbtn.dev{font-family:var(--f-dev);font-size:.92rem}
.tbtn[aria-pressed="true"]{border-color:var(--accent);background:rgba(var(--accent-rgb),.16);color:var(--accent2)}
.tbtn kbd{font:500 .68rem var(--f-mono);padding:1px 5px;border:1px solid var(--line);border-radius:4px;color:var(--fg3)}
.tbtn.cta{border-color:var(--brass-line);color:var(--brass2);background:linear-gradient(180deg,rgba(201,162,78,.22),rgba(201,162,78,.08))}
body[data-cur="1"] .tbtn.cta,body[data-cur="10"] .tbtn.cta{opacity:0;pointer-events:none}
.tbtn.cta{transition:opacity .3s}

.dots{position:fixed;right:clamp(8px,1.4vw,22px);top:50%;transform:translateY(-50%);z-index:50;display:none;flex-direction:column;gap:2px}
.dots button{width:24px;height:22px;border:0;background:none;cursor:pointer;display:grid;place-items:center;padding:0}
.dots button i{display:block;width:6px;height:6px;border-radius:50%;background:var(--fg3);opacity:.55;transition:all .25s}
.dots button:hover i{opacity:1}
.dots button[aria-current="true"] i{width:9px;height:9px;background:var(--accent-live,var(--brass2));opacity:1;box-shadow:0 0 10px var(--accent-live,var(--brass))}
@media(min-width:900px){.dots{display:flex}}
.ctr{position:fixed;left:var(--gut);bottom:max(18px,env(safe-area-inset-bottom));z-index:50;font:500 .78rem var(--f-mono);letter-spacing:.12em;color:var(--fg3);pointer-events:none}
.ctr b{color:var(--accent2);font-weight:500}
.navbtns{position:fixed;right:var(--gut);bottom:max(14px,env(safe-area-inset-bottom));z-index:50;display:none;gap:8px}
.navbtns button{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:rgba(10,15,29,.75);cursor:pointer;display:grid;place-items:center;backdrop-filter:blur(8px)}
.navbtns button:hover{border-color:var(--accent)}
.navbtns button[disabled]{opacity:.3;cursor:default}
.navbtns svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.7}
@media(pointer:fine){.navbtns{display:flex}}
body[data-cur="10"] .navbtns{right:calc(var(--gut) + 34px)}
.hint{position:fixed;left:50%;bottom:max(20px,env(safe-area-inset-bottom));transform:translateX(-50%);z-index:49;font-size:.78rem;color:var(--fg3);background:rgba(10,15,29,.7);border:1px solid var(--line2);border-radius:999px;padding:5px 14px;opacity:0;transition:opacity .6s;pointer-events:none;white-space:nowrap}
.hint.on{opacity:1}
.hint kbd{font:500 .72rem var(--f-mono);padding:1px 6px;border:1px solid var(--line);border-radius:4px;margin:0 2px;color:var(--fg2)}
@media(pointer:coarse){.hint{display:none}}
@media(max-width:700px){.hint{display:none}}

/* ---------- slides ---------- */
#deck{position:fixed;inset:0;z-index:2;overflow-y:auto;overflow-x:hidden;scroll-snap-type:y mandatory;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;scroll-behavior:auto;outline:none}
.slide{position:relative;min-height:100vh;min-height:100dvh;scroll-snap-align:start;scroll-snap-stop:always;display:flex;flex-direction:column;justify-content:center;padding:calc(var(--bar-h) + 8px) var(--gut) 60px;overflow:hidden}
.slide>.wrap{width:100%;max-width:1200px;margin-inline:auto;position:relative}
.slide[data-accent="saffron"]{--accent:#f0a24b;--accent2:#ffc784;--accent-rgb:240,162,75}
.slide[data-accent="moon"]{--accent:#cfd6e6;--accent2:#e9eefa;--accent-rgb:207,214,230}
.eyebrow{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:500;margin-bottom:12px;display:flex;align-items:center;gap:12px}
.eyebrow::after{content:"";height:1px;width:clamp(40px,8vw,120px);background:linear-gradient(90deg,var(--accent),transparent);opacity:.7}
html[lang="hi"] .eyebrow{letter-spacing:.06em;font-size:.86rem;text-transform:none}
.slide h1,.slide h2{font-family:var(--f-display);font-weight:400;line-height:1.06;letter-spacing:-.012em;color:var(--fg);text-wrap:balance;margin-bottom:.4em}
.slide h1{font-size:clamp(2.35rem,1.1rem + 5.5vw,5.6rem)}
.slide h2{font-size:clamp(2rem,1.15rem + 3.5vw,4rem)}
.slide h1 em,.slide h2 em{font-style:italic;color:var(--accent2)}
html[lang="hi"] .slide h1,html[lang="hi"] .slide h2{font-family:var(--f-dev);line-height:1.2;letter-spacing:0}
html[lang="hi"] .slide h1{font-size:clamp(2rem,1rem + 4.7vw,4.7rem)}
html[lang="hi"] .slide h2{font-size:clamp(1.75rem,1rem + 3vw,3.3rem)}
html[lang="hi"] .slide h1 em,html[lang="hi"] .slide h2 em{font-style:normal}
.lead{font-size:clamp(1.02rem,.94rem + .42vw,1.3rem);color:var(--fg2);line-height:1.55;max-width:58ch}
.lead b,.lead strong{color:var(--fg);font-weight:500}
.small{font-size:.88rem;color:var(--fg3)}
.small a{text-decoration:underline;text-underline-offset:3px}
.cols{display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(16px,3vw,56px);align-items:center}
@media(min-width:901px){.cols{grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr)}.cols.even{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.cols.rev>:first-child{order:2}}

/* reveal: only when scripts run, never for reduced motion */
.js .rv{opacity:0;transform:translateY(12px);transition:opacity .65s cubic-bezier(.2,.7,.2,1) calc(var(--i,0)*70ms),transform .65s cubic-bezier(.2,.7,.2,1) calc(var(--i,0)*70ms)}
.js .slide.seen .rv{opacity:1;transform:none}
.calm .rv{opacity:1!important;transform:none!important;transition:none!important}
.calm .nebula{animation:none}

/* ---------- parts ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;border:1px solid var(--brass-line);background:linear-gradient(180deg,rgba(201,162,78,.22),rgba(201,162,78,.08));color:var(--brass2);padding:12px 22px;font-weight:500;font-size:1rem;cursor:pointer;transition:transform .15s,background .2s,border-color .2s;text-decoration:none;min-height:46px;text-align:center;font-family:inherit}
.btn:hover{background:linear-gradient(180deg,rgba(201,162,78,.32),rgba(201,162,78,.14));border-color:var(--brass);text-decoration:none;transform:translateY(-1px)}
.btn.primary{background:var(--brass);color:#120d02;border-color:var(--brass2)}
.btn.primary:hover{background:var(--brass2)}
.btn.ghost{background:transparent;border-color:var(--line);color:var(--fg2)}
.btn.ghost:hover{border-color:var(--fg3);color:var(--fg)}
.btn svg{width:18px;height:18px;flex:none;stroke:currentColor;fill:none;stroke-width:1.7}
.btns{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;min-height:32px;padding:4px 12px;border:1px solid var(--line);border-radius:999px;background:var(--glass2);color:var(--fg2);font-size:.84rem;white-space:nowrap;font-family:inherit;cursor:default}
button.chip{cursor:pointer}
button.chip:hover{border-color:var(--accent);color:var(--fg)}
.panel{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(14px,2vw,24px);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.tag{display:inline-block;font:500 .68rem var(--f-body);letter-spacing:.1em;text-transform:uppercase;padding:2px 8px;border-radius:999px;border:1px solid var(--brass-line);color:var(--brass2);background:var(--brass-dim);vertical-align:middle}
.tag.now{border-color:rgba(159,240,191,.5);color:var(--mint);background:rgba(159,240,191,.09)}
.tag.soon{border-color:var(--brass-line);color:var(--brass2)}
.shot{margin:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#080c18;box-shadow:0 20px 60px rgba(0,0,0,.45)}
.shot img{display:block;width:100%;height:auto}
.shot figcaption{padding:10px 14px;font-size:.82rem;color:var(--fg3);border-top:1px solid var(--line2)}
input,select{font:inherit;color:var(--fg)}
.field{display:grid;gap:6px;min-width:0}
.field label{font-size:.78rem;color:var(--fg2);letter-spacing:.04em}
.field input,.field select{width:100%;background:#0a0f1d;border:1px solid var(--line);border-radius:10px;padding:10px 12px;min-height:46px;font-size:1rem}
.field input:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(var(--accent-rgb),.18)}
.field input::placeholder{color:var(--fg3)}
.check{display:flex;align-items:center;gap:10px;font-size:.9rem;color:var(--fg2);cursor:pointer;min-height:32px}
.check input{width:18px;height:18px;accent-color:var(--brass);flex:none}
::-webkit-calendar-picker-indicator{filter:invert(.8)}

/* ---------- notes (team deck) and help ---------- */
#notes{position:fixed;left:50%;bottom:0;transform:translate(-50%,105%);width:min(940px,100%);max-height:48dvh;overflow:auto;z-index:55;background:rgba(10,15,29,.97);border:1px solid var(--brass-line);border-bottom:0;border-radius:16px 16px 0 0;padding:16px clamp(16px,3vw,28px) 24px;transition:transform .35s cubic-bezier(.2,.7,.2,1);visibility:hidden}
.notes-open #notes{transform:translate(-50%,0);visibility:visible}
#notes h3{font:500 .74rem var(--f-body);letter-spacing:.14em;text-transform:uppercase;color:var(--brass);margin-bottom:10px;display:flex;justify-content:space-between;gap:12px}
#notes h3 span{color:var(--fg3);letter-spacing:.06em;text-transform:none;font-weight:400}
#notes ul{margin:0;padding-left:1.1em;display:grid;gap:8px;font-size:1rem;color:var(--fg)}
#notes li{line-height:1.5}
#notes li::marker{color:var(--brass)}
@media(min-width:1180px){
  body.notes-open #deck{right:min(400px,30vw)}
  #notes{left:auto;right:0;top:var(--bar-h);bottom:0;transform:translateX(105%);width:min(400px,30vw);max-height:none;border-radius:0;border:0;border-left:1px solid var(--brass-line)}
  .notes-open #notes{transform:none}
}
.calm #notes{transition:none}
#help{position:fixed;inset:0;z-index:90;display:none;align-items:center;justify-content:center;background:rgba(5,7,14,.72);padding:20px}
#help.on{display:flex}
#help .card{background:var(--bg2);border:1px solid var(--brass-line);border-radius:16px;padding:22px 26px;max-width:460px;width:100%}
#help h3{font-family:var(--f-display);font-size:1.5rem;margin-bottom:12px}
#help dl{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;margin:0;font-size:.95rem}
#help dt{color:var(--brass2);font-family:var(--f-mono);font-size:.82rem;white-space:nowrap}
#help dd{margin:0;color:var(--fg2)}

/* phones: a soft fade under the slide counter so tall slides never run into it */
@media(max-width:900px){body::after{content:"";position:fixed;left:0;right:0;bottom:0;height:62px;z-index:48;pointer-events:none;background:linear-gradient(0deg,rgba(7,10,19,.97) 0,rgba(7,10,19,.97) 36px,rgba(7,10,19,0) 62px)}}

/* compact screens */
@media(max-height:720px){.slide{padding-top:calc(var(--bar-h) + 2px);padding-bottom:50px}}
.tbtn.cta .shrt{display:none}
@media(max-width:560px){:root{--bar-h:52px}.logo .sub{display:none}.logo svg{width:28px;height:28px}.logo .lat{font-size:1.02rem}.tbtn{padding:5px 11px;font-size:.8rem}.tbtn[data-act="help"]{display:none}.tbtn.cta .lng{display:none}.tbtn.cta .shrt{display:inline}}
@media(max-width:360px){.logo .wm{display:none}}

@media print{#stars,.nebula,.glow,.sky-bg,.sky-vig,.bar,.dots,.ctr,.navbtns,.hint,.prog{display:none!important}html,body,#deck{position:static!important;overflow:visible!important;height:auto!important}.slide{min-height:0;page-break-after:always;break-after:page}.js .rv{opacity:1!important;transform:none!important}body{background:#fff;color:#111}}