/* PadhaiLens — design system
   ink navy / paper white / amber focal point / teal data
   Poppins (display + logo) · IBM Plex Sans (body) */

:root{
  --ink:#14213D; --ink-2:#0D1730; --paper:#FBFAF7; --card:#FFFFFF;
  --graphite:#3A4254; --muted:#67718C; --focal:#E8A020; --focal-soft:#FBEEd3;
  --teal:#1F7A6D; --teal-soft:#E3F0ED; --rule:#E3E7F0;
  --radius:14px; --max:1120px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'IBM Plex Sans','IBM Plex Sans Devanagari',system-ui,sans-serif;
  background:var(--paper);color:var(--graphite);line-height:1.65;font-size:17px}
h1,h2,h3,.logo-name{font-family:'Poppins',sans-serif;color:var(--ink);line-height:1.15}
h1{font-size:clamp(2rem,4.6vw,3.3rem);font-weight:700;letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:600;letter-spacing:-.01em}
h3{font-size:1.15rem;font-weight:600}
a{color:var(--teal)}
img{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------- nav ---------- */
header{background:var(--card);border-bottom:1px solid var(--rule);position:sticky;top:0;z-index:50}
.nav{display:flex;align-items:center;gap:28px;padding:14px 0;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;margin-right:auto}
.logo svg{width:40px;height:40px}
.logo-name{font-size:1.35rem;font-weight:700}
.logo-tag{display:block;font-size:.72rem;color:var(--muted);font-family:'IBM Plex Sans Devanagari','IBM Plex Sans',sans-serif;font-weight:400;margin-top:-3px}
.nav a.nl{color:var(--ink);text-decoration:none;font-weight:500;font-size:.95rem;padding:4px 2px;border-bottom:2px solid transparent}
.nav a.nl:hover{border-color:var(--focal)}
.nav a.nl.on{border-color:var(--ink)}

/* ---------- buttons & badges ---------- */
.btn{display:inline-block;padding:13px 26px;border-radius:10px;font-weight:600;
  text-decoration:none;font-size:1rem;font-family:'Poppins',sans-serif}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:var(--ink-2)}
.btn-line{border:1.5px solid var(--ink);color:var(--ink);background:transparent}
.btn-line:hover{background:#fff}
.badge{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.08em;
  padding:4px 12px;border-radius:99px;text-transform:uppercase}
.badge-live{background:var(--teal-soft);color:var(--teal)}
.badge-soon{background:var(--focal-soft);color:#9A6A0A}
.eyebrow{font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--teal);margin-bottom:14px}

/* ---------- hero ---------- */
.hero{padding:72px 0 84px}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero p.lead{font-size:1.15rem;margin:22px 0 30px;max-width:34em}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap}
.hl{background:linear-gradient(transparent 62%,var(--focal-soft) 62%);white-space:nowrap}

/* animated aperture figure */
.ap-fig{width:100%;max-width:400px;margin:0 auto;display:block}
.ap-blades{transform-origin:32px 32px;animation:apOpen 1.1s cubic-bezier(.2,.7,.3,1) forwards;transform:rotate(38deg)}
.ap-core{opacity:0;animation:pop .5s ease .9s forwards;transform-origin:center;transform-box:fill-box}
@keyframes apOpen{to{transform:rotate(0deg)}}
@media (prefers-reduced-motion:reduce){.ap-blades{animation:none;transform:none}.ap-core{animation:none;opacity:1}}
/* animated rays figure (legacy) */
.rays-fig{width:100%;max-width:420px;margin:0 auto;display:block}
.rays-fig .ray{stroke-dasharray:120;stroke-dashoffset:120;animation:draw 1.1s ease forwards}
.rays-fig .ray:nth-child(2){animation-delay:.15s}
.rays-fig .ray:nth-child(3){animation-delay:.3s}
.rays-fig .focal{opacity:0;animation:pop .5s ease 1.2s forwards}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes pop{from{opacity:0;transform:scale(.4)}to{opacity:1;transform:scale(1)}}
.rays-fig .focal{transform-origin:center;transform-box:fill-box}
@media (prefers-reduced-motion:reduce){
  .rays-fig .ray{animation:none;stroke-dashoffset:0}
  .rays-fig .focal{animation:none;opacity:1}}

/* ---------- sections ---------- */
section{padding:64px 0}
.sec-dark{background:var(--ink);color:#C9D1E4}
.sec-dark h2,.sec-dark h3{color:#fff}
.sec-head{max-width:44em;margin-bottom:40px}

/* track cards */
.tracks{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.track{background:var(--card);border:1px solid var(--rule);border-radius:var(--radius);
  padding:28px;display:flex;flex-direction:column;gap:12px}
.track .top{display:flex;justify-content:space-between;align-items:center}
.track .stat{font-family:'Poppins',sans-serif;font-weight:700;font-size:1.9rem;color:var(--ink)}
.track .stat small{font-size:.95rem;color:var(--muted);font-weight:500}
.track p{font-size:.95rem}
.track a.more{margin-top:auto;font-weight:600;text-decoration:none}
.track.dim{background:transparent}

/* generic cards / grids */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{background:var(--card);border:1px solid var(--rule);border-radius:var(--radius);padding:26px}
.card h3{margin-bottom:8px}
.focal-dot{width:9px;height:9px;border-radius:50%;background:var(--focal);display:inline-block;margin-right:9px}

/* tier chips (CBSE page) */
.tier{display:inline-block;font-size:.75rem;font-weight:700;padding:3px 11px;border-radius:6px;letter-spacing:.04em}
.tier-1{background:#F6E3E3;color:#A33B3B}
.tier-2{background:var(--focal-soft);color:#9A6A0A}
.tier-3{background:#E8EBF3;color:#4A5470}

/* data strip */
.strip{display:flex;gap:48px;flex-wrap:wrap;justify-content:center;text-align:center}
.strip .n{font-family:'Poppins',sans-serif;font-size:2.6rem;font-weight:700;color:#fff}
.strip .l{font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;color:#8B97B8}

/* roadmap */
.road{display:flex;gap:0;flex-wrap:wrap;counter-reset:step}
.road div{flex:1;min-width:200px;padding:20px 26px 20px 0;border-top:3px solid var(--rule);position:relative}
.road div.now{border-top-color:var(--focal)}
.road b{display:block;color:var(--ink);font-family:'Poppins',sans-serif;margin-bottom:4px}
.road span{font-size:.9rem}

/* books */
.book{display:flex;gap:24px;align-items:flex-start}
.cover{width:120px;min-width:120px;aspect-ratio:2/3;border-radius:8px;
  background:linear-gradient(160deg,var(--ink) 55%,var(--teal));display:flex;align-items:flex-end;
  padding:12px;color:#fff;font-family:'Poppins',sans-serif;font-weight:600;font-size:.8rem;line-height:1.3}

/* footer */
footer{background:var(--ink-2);color:#8B97B8;padding:48px 0;font-size:.92rem}
footer .cols{display:flex;gap:56px;flex-wrap:wrap;justify-content:space-between}
footer a{color:#C9D1E4;text-decoration:none}
footer a:hover{color:#fff}
footer h4{color:#fff;font-family:'Poppins',sans-serif;font-size:.95rem;margin-bottom:12px}
footer li{list-style:none;margin-bottom:8px}
.fine{margin-top:36px;padding-top:20px;border-top:1px solid #23304F;font-size:.82rem}

/* page hero (inner pages) */
.page-hero{padding:56px 0 40px;border-bottom:1px solid var(--rule);background:var(--card)}
.page-hero p{max-width:40em;margin-top:14px}

/* notify box on soon-pages */
.notify{background:var(--card);border:1.5px dashed var(--focal);border-radius:var(--radius);
  padding:30px;display:flex;gap:20px;align-items:center;flex-wrap:wrap;justify-content:space-between}

:focus-visible{outline:3px solid var(--focal);outline-offset:2px;border-radius:4px}

@media(max-width:900px){
  .hero .wrap{grid-template-columns:1fr;gap:40px}
  .rays-fig{max-width:320px}
  .tracks,.grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .book{flex-direction:row}
  .nav{gap:16px}
}

/* aperture hero (logo B) */
.ap-fig{width:100%;max-width:380px;margin:0 auto;display:block}
.ap-fig .blades{transform-origin:center;transform-box:fill-box;
  animation:apOpen 1.2s cubic-bezier(.2,.7,.3,1) forwards}
.ap-fig .focal{opacity:0;transform-origin:center;transform-box:fill-box;
  animation:pop .5s ease 1s forwards}
@keyframes apOpen{from{transform:rotate(-40deg)}to{transform:rotate(0)}}
@media (prefers-reduced-motion:reduce){
  .ap-fig .blades{animation:none}
  .ap-fig .focal{animation:none;opacity:1}}