:root{
  --paper:#fbfaf7; --ink:#141210; --grey:#6d6a64; --red:#b00000; --red-deep:#8a0000;
  --line:rgba(20,18,16,.12);
  --serif:'Instrument Serif',serif; --ui:'Sora',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:var(--ui);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
#ink{position:fixed;inset:0;z-index:0;pointer-events:none}
.grain{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.35;mix-blend-mode:multiply;
 background-image:radial-gradient(rgba(20,18,16,.055) 1px,transparent 1px);background-size:26px 26px}
.wrap{max-width:1160px;margin:0 auto;padding:0 28px;position:relative;z-index:2}

/* header */
header{position:fixed;top:0;left:0;right:0;z-index:50;transition:background .4s,box-shadow .4s}
header.scrolled{background:rgba(251,250,247,.88);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line)}
.nav{display:flex;align-items:center;gap:30px;height:84px}
.logo img{height:44px;display:block}
.nav-links{display:flex;gap:28px;margin-left:auto;font-size:.82rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--grey)}
.nav-links a{position:relative;padding:6px 0;transition:color .3s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--red);transition:width .35s cubic-bezier(.22,1,.36,1)}
.nav-links a:hover{color:var(--ink)}.nav-links a:hover::after{width:100%}
.donate-btn{position:relative;background:var(--red);color:#fff;border:none;cursor:pointer;font-family:var(--ui);font-weight:800;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;padding:14px 26px;border-radius:2px;overflow:hidden;transition:transform .25s}
.donate-btn span{position:relative;z-index:1}
.donate-btn::before{content:"";position:absolute;inset:0;background:var(--ink);transform:translateY(101%);transition:transform .35s cubic-bezier(.22,1,.36,1)}
.donate-btn:hover::before{transform:none}
.donate-btn:hover{transform:translateY(-2px)}
.burger{display:none;margin-left:auto;background:none;border:none;font-size:1.7rem;cursor:pointer;color:var(--ink)}

/* chapter rail */
.rail{position:fixed;left:26px;top:50%;transform:translateY(-50%);z-index:40;display:flex;flex-direction:column;gap:22px}
.rail a{display:flex;align-items:center;gap:10px;font-size:.62rem;letter-spacing:.22em;color:var(--grey);text-transform:uppercase;font-weight:600;opacity:.55;transition:opacity .3s,color .3s}
.rail a::before{content:"";width:22px;height:1px;background:currentColor;transition:width .3s}
.rail a.on{opacity:1;color:var(--red)}.rail a.on::before{width:38px}
.rail a b{display:none}
.rail a.on b{display:inline}

/* hero */
.hero{min-height:100vh;display:flex;align-items:center;padding:130px 0 80px;position:relative}
.hero-inner{max-width:640px}
.kicker{font-size:.72rem;letter-spacing:.3em;text-transform:uppercase;color:var(--red);font-weight:800}
.hero h1{font-family:var(--serif);font-weight:400;font-size:clamp(2.9rem,6.6vw,5.6rem);line-height:1.06;letter-spacing:-.01em;margin:26px 0 22px}
.hero h1 em{font-style:italic;color:var(--red)}
.hero p{color:var(--grey);font-size:clamp(1rem,1.6vw,1.15rem);max-width:520px;font-weight:300}
.hero-cta{display:flex;gap:16px;margin-top:42px;flex-wrap:wrap}
.btn-ink{display:inline-block;background:var(--ink);color:var(--paper);padding:17px 34px;border-radius:2px;font-weight:800;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;position:relative;overflow:hidden;transition:transform .25s}
.btn-ink::before{content:"";position:absolute;inset:0;background:var(--red);transform:translateY(101%);transition:transform .35s cubic-bezier(.22,1,.36,1)}
.btn-ink:hover::before{transform:none}.btn-ink:hover{transform:translateY(-2px)}
.btn-ink span{position:relative;z-index:1}
.btn-out{display:inline-block;padding:17px 30px;border-radius:2px;border:1px solid var(--ink);font-weight:800;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;transition:all .3s}
.btn-out:hover{background:var(--ink);color:var(--paper)}
.scroll-hint{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);font-size:.62rem;letter-spacing:.34em;text-transform:uppercase;color:var(--grey);animation:bob 2.6s ease-in-out infinite}
@keyframes bob{50%{transform:translate(-50%,9px)}}

/* chapters */
section{padding:15vh 0;position:relative}
.ch-label{display:flex;align-items:center;gap:16px;font-size:.7rem;letter-spacing:.3em;text-transform:uppercase;color:var(--red);font-weight:800}
.ch-label::after{content:"";flex:0 0 60px;height:1px;background:var(--red);opacity:.4}
h2{font-family:var(--serif);font-weight:400;font-size:clamp(2.1rem,4.6vw,3.6rem);line-height:1.12;margin:22px 0 18px;max-width:760px}
h2 em{font-style:italic;color:var(--red)}
.lede{color:var(--grey);max-width:600px;font-weight:300;font-size:1.05rem}

/* stats */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:64px;border-top:1px solid var(--line)}
.stat{padding:34px 28px 10px;border-left:1px solid var(--line)}
.stat:first-child{border-left:none;padding-left:0}
.stat b{font-family:var(--serif);font-weight:400;font-size:clamp(2.4rem,4.4vw,3.6rem);color:var(--ink);display:block;line-height:1}
.stat b i{font-style:normal;color:var(--red)}
.stat span{font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--grey);display:block;margin-top:12px;font-weight:600}

/* labs */
.tools{margin-top:64px;border-top:1px solid var(--line)}
.tool{display:grid;grid-template-columns:64px 240px 1fr auto;gap:28px;align-items:center;padding:30px 8px;border-bottom:1px solid var(--line);cursor:pointer;position:relative;transition:padding-left .35s cubic-bezier(.22,1,.36,1)}
.tool::before{content:"";position:absolute;left:0;top:0;bottom:0;width:0;background:rgba(176,0,0,.045);transition:width .4s cubic-bezier(.22,1,.36,1)}
.tool:hover{padding-left:24px}.tool:hover::before{width:100%}
.tool .glyph{font-family:'Noto Sans Tamil',var(--ui);font-weight:700;font-size:1.9rem;color:var(--red);line-height:1}
.tool h3{font-weight:800;font-size:1.02rem;letter-spacing:.02em}
.tool h3 small{display:block;font-weight:600;font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--grey);margin-top:5px}
.tool p{font-size:.92rem;color:var(--grey);font-weight:300}
.tool .arr{font-size:1.2rem;color:var(--red);opacity:0;transform:translateX(-10px);transition:all .35s}
.tool:hover .arr{opacity:1;transform:none}
.tools-note{margin-top:28px;font-family:var(--serif);font-style:italic;font-size:1.15rem}
.tools-note a{color:var(--red);border-bottom:1px solid var(--red)}

/* scholarship */
.sch-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.sch-quote{font-family:var(--serif);font-style:italic;font-size:1.25rem;color:var(--ink);border-left:2px solid var(--red);padding-left:24px;margin:28px 0}
.sch-facts{display:flex;gap:40px;margin-top:34px;flex-wrap:wrap}
.sch-facts div b{font-family:var(--serif);font-size:2rem;display:block;color:var(--red)}
.sch-facts div span{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--grey);font-weight:600}

/* collab */
.collabs{margin-top:56px;display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.co{background:var(--paper);padding:38px 34px;transition:background .3s}
.co:hover{background:#fff}
.co h4{font-family:var(--serif);font-weight:400;font-size:1.5rem}
.co p{color:var(--grey);font-size:.93rem;margin-top:10px;font-weight:300}
.co .tag{font-size:.64rem;letter-spacing:.22em;text-transform:uppercase;color:var(--red);font-weight:800}

/* donate */
.give-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:60px}
.give{border:1px solid var(--line);background:#fff;padding:40px 32px;position:relative;display:flex;flex-direction:column;transition:transform .35s cubic-bezier(.22,1,.36,1),box-shadow .35s,border-color .35s}
.give:hover{transform:translateY(-8px);box-shadow:0 24px 50px rgba(20,18,16,.1);border-color:var(--red)}
.give .no{font-family:var(--serif);font-style:italic;color:var(--grey);font-size:.95rem}
.give h3{font-family:var(--serif);font-weight:400;font-size:1.7rem;margin:14px 0 10px;line-height:1.2}
.give p{color:var(--grey);font-size:.92rem;font-weight:300;flex:1}
.give .impact{margin:22px 0;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:.8rem;letter-spacing:.06em;color:var(--ink)}
.give .impact b{color:var(--red)}
.give a.btn-ink{text-align:center}
.give.hero-give{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.give.hero-give p{color:rgba(251,250,247,.7)}
.give.hero-give .impact{color:rgba(251,250,247,.85);border-color:rgba(251,250,247,.2)}
.give.hero-give .btn-ink{background:var(--red)}
.trust{margin-top:44px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.trust span{border:1px solid var(--line);border-radius:999px;padding:8px 18px;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--grey);font-weight:600;background:#fff}
.testnote{margin-top:18px;font-size:.72rem;color:var(--grey);letter-spacing:.06em}
.testnote b{color:var(--red)}

/* finale */
.finale{min-height:105vh;display:flex;justify-content:center;align-items:flex-start;padding:9vh 28px 0;text-align:center}
.finale p{font-family:var(--serif);font-style:italic;font-size:clamp(1.2rem,2.4vw,1.7rem);color:var(--ink)}
.finale p b{color:var(--red);font-weight:400}

/* footer */
footer{position:relative;z-index:2;border-top:1px solid var(--line);background:#fff;padding:70px 0 36px;margin-top:10vh}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:44px}
footer h5{font-size:.68rem;letter-spacing:.24em;text-transform:uppercase;color:var(--red);margin-bottom:18px;font-weight:800}
footer li{list-style:none;margin:9px 0;font-size:.9rem;color:var(--grey)}
footer a:hover{color:var(--ink)}
.foot-reg{font-size:.76rem;line-height:2;color:var(--grey)}
footer .flogo{height:40px;margin-bottom:18px}
.foot-base{border-top:1px solid var(--line);margin-top:48px;padding-top:22px;font-size:.76rem;color:var(--grey);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}

/* paper veil to keep text legible over ink */
.veil{background:rgba(251,250,247,.68);box-shadow:0 0 70px 55px rgba(251,250,247,.68);border-radius:8px}

/* reveal */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .9s cubic-bezier(.22,1,.36,1),transform .9s cubic-bezier(.22,1,.36,1)}
.reveal.in{opacity:1;transform:none}

@media(max-width:1600px){.rail a b{display:none!important}}
@media(max-width:1200px){.rail{display:none}}
@media(max-width:920px){
  .sch-grid{grid-template-columns:1fr}
  .give-cards{grid-template-columns:1fr}
  .collabs{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .stat{border-left:none;padding-left:0;border-top:1px solid var(--line)}
  .stat:first-child{border-top:none}
  .tool{grid-template-columns:44px 1fr auto;grid-template-areas:"g t a" "g d a"}
  .tool .glyph{grid-area:g}.tool h3{grid-area:t}.tool p{grid-area:d}.tool .arr{grid-area:a}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none;position:absolute;top:84px;left:0;right:0;background:var(--paper);flex-direction:column;padding:24px 28px;border-bottom:1px solid var(--line);gap:18px}
  .nav-links.open{display:flex}
  .burger{display:block}
  .nav{gap:16px}
}
@media(max-width:560px){.foot-grid{grid-template-columns:1fr}.logo img{height:36px}}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* tool icons */
.ticon{width:52px;height:52px;border-radius:10px;background:rgba(176,0,0,.06);display:grid;place-items:center}
.ticon img{width:30px;height:30px;object-fit:contain}
/* more strip */
.more-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:56px}
.more-card{border:1px solid var(--line);background:#fff;padding:36px 32px;display:flex;flex-direction:column;gap:12px;transition:transform .35s cubic-bezier(.22,1,.36,1),box-shadow .35s,border-color .35s}
.more-card:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(20,18,16,.09);border-color:var(--red)}
.more-card b{font-family:var(--serif);font-weight:400;font-size:1.6rem}
.more-card p{color:var(--grey);font-size:.9rem;font-weight:300;flex:1}
.more-card span{color:var(--red);font-weight:700;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase}
@media(max-width:920px){.more-grid{grid-template-columns:1fr}}

/* ===== subpage shared styles (Phase 2) ===== */
.hero-sub{padding:170px 0 70px;position:relative}
.hero-sub h1{font-family:var(--serif);font-weight:400;font-size:clamp(2.6rem,5.6vw,4.6rem);line-height:1.08;margin:24px 0 20px;max-width:820px}
.hero-sub h1 em{font-style:italic;color:var(--red)}
.hero-sub .lede{font-size:clamp(1rem,1.7vw,1.18rem)}
.chips{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.chips span{border:1px solid var(--line);border-radius:999px;padding:8px 18px;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--grey);font-weight:600;background:#fff}
.sug{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 4px}
.sug b{border:1px solid var(--line);background:rgba(176,0,0,.05);color:var(--red);border-radius:8px;padding:6px 12px;font-size:.82rem;font-weight:700}
.sug i{font-style:normal;color:var(--grey);font-size:.78rem;align-self:center}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:56px}
.step{border-top:2px solid var(--red);padding-top:22px}
.step b{font-family:var(--serif);font-weight:400;font-size:1.35rem;display:block;margin-bottom:8px}
.step p{color:var(--grey);font-size:.92rem;font-weight:300}
.step .n{font-family:var(--serif);font-style:italic;color:var(--grey);font-size:.9rem;display:block;margin-bottom:10px}
.band-dark{background:var(--ink);color:var(--paper);padding:64px 56px;position:relative;overflow:hidden}
.band-dark h2{color:var(--paper)}
.band-dark p{color:rgba(251,250,247,.75)}
.band-dark .btn-ink{background:var(--red)}
.band-dark .kv{display:flex;gap:36px;flex-wrap:wrap;margin-top:26px}
.band-dark .kv div b{font-family:var(--serif);font-size:1.5rem;color:var(--paper);display:block}
.band-dark .kv div span{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:rgba(251,250,247,.55);font-weight:600}
.fcra-box{border:1px solid var(--line);background:#fff;padding:38px 34px;margin-top:40px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px}
.fcra-box dl{margin:0}
.fcra-box dt{font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--grey);font-weight:700;margin-top:16px}
.fcra-box dt:first-child{margin-top:0}
.fcra-box dd{margin:4px 0 0;font-size:1rem;color:var(--ink);font-weight:500}
.fcra-box dd small{display:block;margin-top:3px;font-size:.82rem;color:var(--grey);font-weight:300;line-height:1.6}
.note-line{font-size:.82rem;color:var(--grey);margin-top:18px;border-left:2px solid var(--red);padding-left:14px}
.faq{margin-top:50px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:6px 0}
.faq summary{cursor:pointer;font-weight:600;font-size:1.02rem;padding:18px 0;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::after{content:"+";font-family:var(--serif);font-size:1.4rem;color:var(--red);transition:transform .3s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--grey);font-weight:300;padding:0 0 20px;max-width:640px}
/* form */
.form-wrap{border:1px solid var(--line);background:#fff;padding:46px 42px;margin-top:50px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;font-weight:700;color:var(--ink)}
.field label i{font-style:normal;color:var(--red)}
.field input,.field select,.field textarea{font-family:var(--ui);font-size:.95rem;padding:13px 14px;border:1px solid var(--line);border-radius:2px;background:var(--paper);color:var(--ink);transition:border-color .25s,box-shadow .25s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(176,0,0,.08)}
.field textarea{min-height:120px;resize:vertical}
.check{display:flex;gap:12px;align-items:flex-start;font-size:.88rem;color:var(--grey);grid-column:1/-1}
.check input{margin-top:3px;accent-color:var(--red);width:16px;height:16px}
.form-note{font-size:.8rem;color:var(--grey);margin-top:16px}
.form-actions{margin-top:28px;display:flex;gap:16px;align-items:center;flex-wrap:wrap}
button.btn-ink{border:none;cursor:pointer;font-family:var(--ui)}
.form-error{color:var(--red);font-size:.85rem;font-weight:600;display:none}
@media(max-width:920px){.steps{grid-template-columns:1fr}.fcra-box{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.band-dark{padding:44px 28px}.hero-sub{padding-top:140px}}