/* ============================================================
   NITYA NEELAKANTAN — shared page shell
   Tokens, base type, buttons, nav, reveals, footer and the
   back-to-top ring, lifted verbatim from the inner pages so the
   articles pages breathe exactly like the rest of the site.
   ============================================================ */


:root{
  --beige-50:#FCF8F2;
  --beige-100:#F5EDE1;
  --beige-200:#EADFCC;
  --beige-300:#DCCDB4;

  --ink:#241E33;
  --ink-70:rgba(36,30,51,.72);
  --ink-45:rgba(36,30,51,.46);
  --ink-14:rgba(36,30,51,.14);

  --purple:#6C4FA1;
  --purple-deep:#3B2A63;
  --lavender:#C6B4E7;
  --lavender-50:#F1EBFB;

  --blue:#2F5D7C;
  --blue-soft:#A9C6DA;
  --blue-50:#E8F1F6;

  --green:#6F8F69;
  --green-soft:#BDD5B5;
  --green-50:#ECF3E7;

  --salmon:#E27E68;
  --salmon-soft:#F6C3B4;
  --salmon-50:#FDEDE7;

  --page:var(--beige-50);
  --maxw:1240px;
  --gutter:clamp(20px,5vw,64px);
  --r-lg:28px;
  --r-xl:44px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:104px}
body{
  margin:0;
  font-family:'Jost',-apple-system,'Segoe UI',sans-serif;
  font-weight:300;
  font-size:clamp(15.5px,1.02vw,17.5px);
  line-height:1.72;
  color:var(--ink);
  background:var(--page);
  transition:background-color 1.1s var(--ease);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
/* height:auto keeps the width/height attributes (which prevent layout shift)
   from overriding CSS-driven sizing such as aspect-ratio */
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:'Fraunces',Georgia,serif;font-weight:400;line-height:1.06;letter-spacing:-.015em;margin:0}
h1{font-size:clamp(2.6rem,5.8vw,4.8rem)}
h2{font-size:clamp(2.1rem,4.2vw,3.7rem)}
h3{font-size:clamp(1.6rem,2.6vw,2.5rem);line-height:1.1}
p{margin:0 0 1.05em}
::selection{background:var(--lavender);color:var(--purple-deep)}

.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.eyebrow{
  font-size:.72rem;letter-spacing:.3em;text-transform:uppercase;
  font-weight:500;color:var(--purple);display:flex;align-items:center;gap:.85em;margin-bottom:1.5rem;
}
.eyebrow::before{content:"";width:34px;height:1px;background:currentColor;opacity:.5}
.lede{font-size:clamp(1.06rem,1.4vw,1.3rem);color:var(--ink-70);max-width:56ch}

/* ---------- buttons — ripple bloom ---------- */
.btn{
  --bg:var(--purple); --fg:#fff;
  position:relative;display:inline-flex;align-items:center;gap:.7em;
  padding:1.02em 2.1em;border-radius:999px;border:1px solid transparent;
  font-size:.83rem;letter-spacing:.13em;text-transform:uppercase;font-weight:500;
  background:var(--bg);color:var(--fg);overflow:hidden;isolation:isolate;cursor:pointer;
  font-family:inherit;
  transition:transform .5s var(--ease-out),box-shadow .5s var(--ease-out),color .45s var(--ease);
  will-change:transform;
}
.btn::after{
  content:"";position:absolute;inset:0;z-index:-1;border-radius:inherit;
  background:var(--ink);transform:translateY(101%);transition:transform .55s var(--ease-out);
}
.btn:hover{box-shadow:0 18px 40px -18px rgba(60,40,100,.6)}
.btn:hover::after{transform:translateY(0)}
.btn .arw{transition:transform .45s var(--ease-out)}
.btn:hover .arw{transform:translateX(5px)}
.btn--ghost{--bg:transparent;--fg:var(--ink);border-color:var(--ink-14)}
.btn--ghost:hover{--fg:#fff}
.btn--light{--bg:#fff;--fg:var(--purple-deep)}
.btn--light:hover{color:#fff}

.link-arw{
  display:inline-flex;align-items:center;gap:.6em;font-size:.82rem;letter-spacing:.15em;
  text-transform:uppercase;font-weight:500;padding-bottom:.35em;border-bottom:1px solid currentColor;
  transition:gap .4s var(--ease-out),opacity .3s;
}
.link-arw:hover{gap:1.1em}

/* ---------- breath-dot cursor ---------- */
.cursor{
  position:fixed;top:0;left:0;width:34px;height:34px;border-radius:50%;
  border:1px solid var(--purple);pointer-events:none;z-index:130;opacity:0;
  transition:opacity .35s,width .4s var(--ease-out),height .4s var(--ease-out),background-color .4s;
  mix-blend-mode:multiply;
}
.cursor.on{opacity:.85}
.cursor.grow{width:72px;height:72px;background:rgba(198,180,231,.35);border-color:transparent}
@media (hover:none){.cursor{display:none}}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:100;padding:1.25rem 0;transition:padding .5s var(--ease)}
.nav::before{
  content:"";position:absolute;inset:0;background:rgba(250,244,236,.96);
  backdrop-filter:blur(18px) saturate(1.15);opacity:0;transition:opacity .5s var(--ease);
  box-shadow:0 1px 0 rgba(36,30,51,.16),0 10px 30px -22px rgba(36,30,51,.5);
}
.nav.stuck{padding:.6rem 0}
.nav.stuck::before{opacity:1}
.nav-in{position:relative;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter);display:flex;align-items:center;gap:clamp(.9rem,2vw,2rem)}
.brand{display:flex;align-items:center;line-height:1;flex:none}
.brand img{height:52px;width:auto;display:block;transition:height .5s var(--ease)}
.nav.stuck .brand img{height:42px}
.nav-links{display:flex;align-items:center;gap:clamp(.85rem,1.7vw,1.9rem);margin-left:auto;font-size:clamp(.7rem,.82vw,.8rem);letter-spacing:.1em;text-transform:uppercase;font-weight:500;white-space:nowrap}
.nav-links a{position:relative;padding:.3em 0;color:rgba(36,30,51,.88);transition:color .35s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:1.5px;width:100%;background:var(--purple);transform:scaleX(0);transform-origin:100% 50%;transition:transform .45s var(--ease-out)}
.nav-links a:hover{color:var(--purple-deep)}
.nav-links a:hover::after{transform:scaleX(1);transform-origin:0 50%}
.nav-links a.active{color:var(--purple-deep)}
.nav-links a.active::after{transform:scaleX(1)}
.nav-cta{padding:.75em 1.35em;font-size:clamp(.64rem,.72vw,.72rem);white-space:nowrap;flex:none}
.burger{display:none;margin-left:auto;width:46px;height:46px;border:1.5px solid rgba(36,30,51,.35);border-radius:50%;background:rgba(255,255,255,.5);cursor:pointer;position:relative;transition:background-color .4s var(--ease),border-color .4s var(--ease)}
.burger:hover{background:var(--ink);border-color:var(--ink)}
.burger:hover i{background:var(--beige-50)}
.burger i{
  position:absolute;left:50%;top:50%;width:20px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .4s var(--ease-out),background-color .4s;
}
.burger i:nth-child(1){transform:translate(-50%,-50%) translateY(-4.5px)}
.burger i:nth-child(2){transform:translate(-50%,-50%) translateY(4.5px)}
.nav.open .burger i:nth-child(1){transform:translate(-50%,-50%) rotate(45deg)}
.nav.open .burger i:nth-child(2){transform:translate(-50%,-50%) rotate(-45deg)}
@media(max-width:1160px){
  .nav-links{
    position:fixed;inset:0;z-index:1;background:var(--beige-50);
    flex-direction:column;justify-content:center;align-items:center;
    gap:1.9rem;font-size:1.15rem;letter-spacing:.2em;
    clip-path:circle(0% at 92% 4%);transition:clip-path .8s var(--ease-out);
    visibility:hidden;
  }
  .nav.open .nav-links{clip-path:circle(150% at 92% 4%);visibility:visible}
  .nav-links{white-space:normal;font-size:1.15rem}
  .nav-links a{color:var(--ink);opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .6s var(--ease-out),color .35s}
  .nav.open .nav-links a{opacity:1;transform:none}
  .nav.open .nav-links a:nth-child(1){transition-delay:.16s}
  .nav.open .nav-links a:nth-child(2){transition-delay:.22s}
  .nav.open .nav-links a:nth-child(3){transition-delay:.28s}
  .nav.open .nav-links a:nth-child(4){transition-delay:.34s}
  .nav.open .nav-links a:nth-child(5){transition-delay:.40s}
  .nav.open .nav-links a:nth-child(6){transition-delay:.46s}
  .nav.open .nav-links a:nth-child(7){transition-delay:.52s}
  .brand{position:relative;z-index:2}
  .burger{display:block;z-index:2}
  .nav-cta{display:none}
  .nav.open::before{opacity:1;box-shadow:none}
}
body.nav-open{overflow:hidden}

/* ---------- reveals ---------- */
[data-reveal]{
  opacity:0;filter:blur(10px);transform:translateY(24px);
  transition:opacity 1.1s var(--ease),filter 1.1s var(--ease),transform 1.15s var(--ease-out);
  transition-delay:var(--d,0ms);
  will-change:opacity,filter,transform;
}
[data-reveal].in{opacity:1;filter:blur(0);transform:none}
[data-reveal="rise"]{transform:translateY(46px) scale(.97)}
[data-reveal="bloom"]{opacity:1;filter:none;transform:none;overflow:hidden}
[data-reveal="bloom"] img{
  clip-path:circle(0% at 50% 55%);transform:scale(1.12);
  transition:clip-path 1.6s var(--ease-out),transform 1.8s var(--ease-out);
  transition-delay:var(--d,0ms);
}
[data-reveal="bloom"].in img{clip-path:circle(120% at 50% 55%);transform:scale(1)}

[data-hload]{
  opacity:0;filter:blur(12px);transform:translateY(18px);
  transition:opacity 1.1s var(--ease),filter 1.1s var(--ease),transform 1.1s var(--ease-out);
  transition-delay:var(--hd,0ms);
}
.ready [data-hload]{opacity:1;filter:blur(0);transform:none}


@keyframes morph{
  0%{border-radius:52% 48% 58% 42% / 50% 56% 44% 50%;transform:translate(0,0) rotate(0deg) scale(1)}
  50%{border-radius:44% 56% 42% 58% / 58% 42% 56% 44%;transform:translate(2.5%,4%) rotate(6deg) scale(1.06)}
  100%{border-radius:58% 42% 52% 48% / 44% 58% 42% 56%;transform:translate(-2%,-3%) rotate(-5deg) scale(.97)}
}
.grain{position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.35;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/></filter><rect width='160' height='160' filter='url(%23n)' opacity='.32'/></svg>");}

@keyframes badgeRing{0%,100%{transform:scale(.92);opacity:.3}45%,55%{transform:scale(1.12);opacity:1}}


/* ============================================================
   CTA + FOOTER
   ============================================================ */
.cta{position:relative;padding:clamp(4rem,7vw,6.5rem) 0;background:linear-gradient(135deg,var(--purple) 0%,#7B5BB2 45%,var(--salmon) 130%);color:#fff;text-align:center;overflow:hidden}
.cta::after{content:"";position:absolute;inset:0;background:radial-gradient(50% 60% at 50% 0%,rgba(255,255,255,.24),transparent 70%)}
.cta::before{
  content:"";position:absolute;left:50%;top:50%;width:34rem;height:34rem;border-radius:50%;
  translate:-50% -50%;border:1px solid rgba(255,255,255,.2);animation:badgeRing 11s var(--ease) infinite;
}
.cta-in{position:relative;z-index:2}
.cta h2{margin-bottom:1.2rem}
.cta h2 em{font-style:italic;color:var(--beige-100)}
.cta p{max-width:52ch;margin-inline:auto;color:rgba(255,255,255,.82)}
.cta-btns{display:flex;flex-wrap:wrap;gap:.9rem;justify-content:center;margin-top:2.4rem}

footer{background:var(--ink);color:rgba(245,237,225,.62);padding:clamp(2.6rem,4.5vw,3.6rem) 0 1.5rem;font-size:.95rem}
.f-top{display:flex;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;color:rgba(245,237,225,.6);font-size:.7rem;letter-spacing:.22em;text-transform:uppercase}
.f-mail{
  display:inline-block;position:relative;margin:clamp(1rem,2vw,1.5rem) 0 clamp(1.2rem,2.4vw,1.8rem);
  font-family:'Fraunces',serif;font-weight:400;font-size:clamp(1.5rem,4vw,2.9rem);line-height:1.05;
  letter-spacing:-.022em;color:var(--beige-100);word-break:break-word;
}
.f-mail::after{content:"";position:absolute;left:0;bottom:.02em;height:1px;width:100%;background:currentColor;opacity:.45;transform:scaleX(0);transform-origin:0 50%;transition:transform .8s var(--ease-out)}
.f-mail:hover::after{transform:scaleX(1)}
.f-mid{border-top:1px solid rgba(245,237,225,.16);padding-top:1.6rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1.2rem 2.2rem}
.f-logo{height:74px;max-width:100%;object-fit:contain;object-position:left;width:auto;display:block;margin-bottom:1.2rem;filter:brightness(0) invert(1);opacity:.88}
.f-who b{display:block;font-family:'Fraunces',serif;font-size:1.4rem;font-weight:400;color:var(--beige-100);margin-bottom:.55rem}
.f-who p{margin:0;max-width:34ch}
.f-links{display:flex;flex-wrap:wrap;gap:.6rem 1.5rem;justify-content:center;flex:1 1 auto;font-size:.75rem;letter-spacing:.17em;text-transform:uppercase}
.f-links a{color:rgba(245,237,225,.78);transition:color .35s}
.f-links a:hover{color:var(--beige-100)}
.f-social{display:flex;align-items:center;gap:.65rem;flex:none}
.f-social a{
  width:44px;height:44px;border-radius:50%;
  background:var(--beige-100);border:1px solid var(--beige-100);color:var(--ink);
  display:grid;place-items:center;
  transition:background-color .45s var(--ease-out),border-color .45s var(--ease-out),color .45s var(--ease-out),transform .45s var(--ease-out);
}
.f-social a:hover{background:transparent;border-color:rgba(245,237,225,.45);color:var(--beige-100);transform:translateY(-3px)}
.f-social svg{width:18px;height:18px;display:block}
.f-div{width:1px;height:24px;background:rgba(245,237,225,.22);display:block;margin-inline:.3rem;flex:none}
.f-bot{margin-top:clamp(1.4rem,2.6vw,2rem);padding-top:1.1rem;border-top:1px solid rgba(245,237,225,.18);display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.76rem;letter-spacing:.08em;color:rgba(245,237,225,.6)}
@media(max-width:820px){
  .f-mid{flex-direction:column;align-items:flex-start;gap:1.3rem}
  .f-links{justify-content:flex-start}
}
@media(max-width:560px){
  .f-mail{font-size:clamp(1.25rem,6.3vw,1.8rem);letter-spacing:-.015em}
  .f-social a{width:40px;height:40px}
  .f-social{gap:.5rem}
}

/* ---------- back to top with circular scroll progress ---------- */
.top{
  position:fixed;right:22px;bottom:22px;width:54px;height:54px;border-radius:50%;
  background:rgba(252,248,242,.92);backdrop-filter:blur(6px);color:var(--purple);
  display:grid;place-items:center;z-index:90;opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .5s var(--ease-out),transform .5s var(--ease-out);
  box-shadow:0 16px 34px -16px rgba(59,42,99,.5);border:none;cursor:pointer;
}
.top.on{opacity:1;transform:none;pointer-events:auto}
.top svg{position:absolute;inset:4px;width:auto;height:auto;transform:rotate(-90deg)}
.top .ring-bg{fill:none;stroke:var(--ink-14);stroke-width:2}
.top .ring{fill:none;stroke:var(--purple);stroke-width:2;stroke-linecap:round;stroke-dasharray:106.8;stroke-dashoffset:106.8}
.top .top-arw{position:relative;font-size:1.1rem;line-height:1}

/* each book card presents as one full screen — the cover scales with the
   viewport height so the card can never grow taller than it */
.brow{min-height:calc(100svh - 7rem)}
.bcov{max-width:min(320px,calc((100svh - 180px)*2/3))}
@media(max-width:820px){
  .brow{min-height:0}
  .bcov{max-width:min(250px,55vw)}
}


/* ---------- footer legal links + build credit (shared with every page) ---------- */
.f-legal a{color:rgba(245,237,225,.75);text-decoration:none;transition:color .35s}
.f-legal a:hover{color:var(--beige-100);text-decoration:underline}
.f-credit{
  margin-top:.9rem;padding-top:.95rem;border-top:1px solid rgba(245,237,225,.12);
  font-size:.74rem;letter-spacing:.08em;color:rgba(245,237,225,.55);
  display:flex;align-items:center;justify-content:center;gap:.75rem;flex-wrap:wrap;
}
.f-credit-logo{
  display:inline-flex;align-items:center;background:#fff;border-radius:8px;padding:.45rem .7rem;
  transition:transform .4s var(--ease-out),box-shadow .4s var(--ease-out);
}
.f-credit-logo:hover{transform:translateY(-2px);box-shadow:0 12px 26px -14px rgba(0,0,0,.75)}
.f-credit-logo img{height:34px;width:auto;display:block}


/* compact logo on phones so it never crowds the menu button */
@media(max-width:1160px){.brand img,.nav.stuck .brand img{height:44px}}
@media(max-width:420px){.brand img,.nav.stuck .brand img{height:38px}}