/* ==========================================================================
   Sneh Roshni Shiksha Evam Samajik Sanstha - design system
   Deep indigo + heritage gold + science teal. Light and dark.
   ========================================================================== */

:root {
  /* brand */
  --indigo-900:#10163a; --indigo-800:#1a2360; --indigo-700:#26317f;
  --indigo-600:#33409c; --indigo-400:#6e7cd8; --indigo-200:#b9c1f2;
  --gold-600:#a97c17;  --gold-500:#c9972b;  --gold-400:#e3b448; --gold-200:#f5e0a8;
  --teal-600:#0e7c86;  --teal-400:#2aa8b3;
  --rose-500:#b8434f;

  /* semantic - light */
  --bg:#fbf9f4;
  --bg-alt:#f3efe6;
  --surface:#ffffff;
  --surface-2:#faf8f3;
  --ink:#14161d;
  --ink-soft:#3d424f;
  --muted:#6b7183;
  --line:#e6e0d4;
  --line-strong:#d4cbb8;
  --primary:var(--indigo-700);
  --primary-soft:var(--indigo-600);
  --on-primary:#ffffff;
  --accent:var(--gold-600);
  --accent-bright:var(--gold-500);
  --teal:var(--teal-600);
  --shadow-sm:0 1px 2px rgba(16,22,58,.06), 0 2px 8px rgba(16,22,58,.05);
  --shadow-md:0 4px 12px rgba(16,22,58,.08), 0 12px 32px rgba(16,22,58,.07);
  --shadow-lg:0 12px 28px rgba(16,22,58,.12), 0 32px 64px rgba(16,22,58,.10);
  --ring:rgba(38,49,127,.30);
  --hero-ink:#ffffff;
  --glass:rgba(255,255,255,.78);
  --anim-1:rgba(38,49,127,.055);
  --anim-2:rgba(201,151,43,.075);
  --anim-3:rgba(14,124,134,.055);

  /* type */
  --font-display:"Fraunces","Playfair Display",Georgia,"Times New Roman",serif;
  --font-body:"Plus Jakarta Sans","Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --font-deva:"Noto Sans Devanagari","Plus Jakarta Sans",sans-serif;

  --r-sm:8px; --r-md:14px; --r-lg:22px; --r-xl:30px;
  --wrap:1220px;
  --nav-h:76px;
}

html[data-theme="dark"] {
  --bg:#080b14;
  --bg-alt:#0d1220;
  --surface:#111728;
  --surface-2:#161d31;
  --ink:#eef1f8;
  --ink-soft:#c3cadb;
  --muted:#8e97ae;
  --line:#222b44;
  --line-strong:#2f3a58;
  --primary:#8b9bff;
  --primary-soft:#a3b0ff;
  --on-primary:#0a0e1c;
  --accent:#e9c069;
  --accent-bright:#f2cf82;
  --teal:#3fc2ce;
  --shadow-sm:0 1px 2px rgba(0,0,0,.5);
  --shadow-md:0 6px 16px rgba(0,0,0,.45), 0 16px 40px rgba(0,0,0,.35);
  --shadow-lg:0 16px 36px rgba(0,0,0,.55), 0 40px 80px rgba(0,0,0,.45);
  --ring:rgba(139,155,255,.35);
  --glass:rgba(17,23,40,.82);
  --anim-1:rgba(139,155,255,.075);
  --anim-2:rgba(233,192,105,.065);
  --anim-3:rgba(63,194,206,.065);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font-body);font-size:17px;line-height:1.72;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
  transition:background-color .35s ease,color .35s ease;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--accent)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.16;letter-spacing:-.018em;margin:0 0 .5em}
h1{font-size:clamp(2.3rem,5.2vw,4rem)}
h2{font-size:clamp(1.85rem,3.6vw,2.85rem)}
h3{font-size:clamp(1.25rem,2vw,1.6rem)}
p{margin:0 0 1.1em}
:focus-visible{outline:3px solid var(--ring);outline-offset:3px;border-radius:4px}
::selection{background:var(--accent-bright);color:#14161d}

.wrap{width:min(100% - 2.6rem,var(--wrap));margin-inline:auto}
.wrap-narrow{width:min(100% - 2.6rem,820px);margin-inline:auto}
.section{padding:clamp(4rem,8vw,7rem) 0;position:relative}
.section--alt{background:var(--bg-alt)}
.center{text-align:center}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- decorative science background ---------- */
.sci-bg{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.sci-bg svg{position:absolute;display:block}
.sci-atom{top:-18vmax;right:-22vmax;width:78vmax;height:78vmax;
  animation:sciSpin 150s linear infinite}
.sci-orbit{bottom:-28vmax;left:-26vmax;width:86vmax;height:86vmax;
  animation:sciDrift 90s ease-in-out infinite alternate}
.sci-wave{top:38%;left:-10vmax;width:130vmax;height:40vmax;
  animation:sciWave 60s ease-in-out infinite alternate}
@keyframes sciSpin{to{transform:rotate(360deg)}}
@keyframes sciDrift{
  0%{transform:translate3d(0,0,0) rotate(0deg)}
  100%{transform:translate3d(4vmax,-3vmax,0) rotate(14deg)}
}
@keyframes sciWave{
  0%{transform:translate3d(0,0,0)}
  100%{transform:translate3d(-6vmax,2vmax,0)}
}
@media (prefers-reduced-motion:reduce){
  .sci-atom,.sci-orbit,.sci-wave{animation:none}
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;height:var(--nav-h);
  display:flex;align-items:center;
  background:var(--glass);backdrop-filter:blur(16px) saturate(160%);
  -webkit-backdrop-filter:blur(16px) saturate(160%);
  border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:var(--shadow-sm)}
.nav{display:flex;align-items:center;gap:1.5rem;width:100%}
.brand{display:flex;align-items:center;gap:.8rem;flex-shrink:0}
.brand img{height:50px;width:auto}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-family:var(--font-display);font-weight:600;font-size:1.06rem;color:var(--ink)}
.brand-sub{font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:600}
.nav-links{display:flex;align-items:center;gap:.25rem;margin-left:auto}
.nav-links a{
  position:relative;padding:.55rem .85rem;border-radius:var(--r-sm);
  font-size:.93rem;font-weight:600;color:var(--ink-soft);transition:color .2s,background .2s;
}
.nav-links a:hover{color:var(--primary);background:color-mix(in srgb,var(--primary) 8%,transparent)}
.nav-links a.active{color:var(--primary)}
.nav-links a.active::after{
  content:"";position:absolute;left:.85rem;right:.85rem;bottom:.24rem;height:2px;
  background:linear-gradient(90deg,var(--accent),var(--primary));border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:.6rem}
.theme-toggle{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);
  background:var(--surface);display:grid;place-items:center;cursor:pointer;
  color:var(--ink-soft);transition:transform .25s,border-color .25s,color .25s;
}
.theme-toggle:hover{transform:rotate(-18deg) scale(1.06);border-color:var(--accent);color:var(--accent)}
.theme-toggle svg{width:19px;height:19px}
html[data-theme="dark"] .icon-sun{display:block}
html[data-theme="dark"] .icon-moon{display:none}
.icon-sun{display:none}.icon-moon{display:block}
.burger{display:none;width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:var(--surface);cursor:pointer;flex-direction:column;gap:5px;align-items:center;justify-content:center}
.burger span{display:block;width:19px;height:2px;background:var(--ink);border-radius:2px;transition:transform .3s,opacity .3s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.85rem 1.7rem;border-radius:999px;border:1px solid transparent;
  font-weight:700;font-size:.95rem;letter-spacing:.01em;cursor:pointer;
  transition:transform .22s cubic-bezier(.2,.8,.3,1),box-shadow .22s,background .22s,color .22s;
  text-align:center;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{
  background:linear-gradient(135deg,var(--indigo-700),var(--indigo-600) 55%,var(--indigo-800));
  color:#fff;box-shadow:0 6px 18px rgba(26,35,96,.28);
}
html[data-theme="dark"] .btn-primary{background:linear-gradient(135deg,#4d5bd0,#6d7ae8);color:#fff}
.btn-primary:hover{color:#fff;box-shadow:0 10px 26px rgba(26,35,96,.36)}
.btn-gold{background:linear-gradient(135deg,var(--gold-500),var(--gold-400));color:#221a05;
  box-shadow:0 6px 18px rgba(169,124,23,.3)}
.btn-gold:hover{color:#221a05}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:color-mix(in srgb,var(--primary) 6%,transparent)}
.btn-sm{padding:.6rem 1.2rem;font-size:.86rem}

/* ---------- eyebrow / heading kit ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-size:.74rem;font-weight:800;letter-spacing:.2em;text-transform:uppercase;
  color:var(--accent);margin-bottom:1rem;
}
.eyebrow::before{content:"";width:28px;height:2px;background:linear-gradient(90deg,var(--accent),transparent)}
.center .eyebrow::after{content:"";width:28px;height:2px;background:linear-gradient(270deg,var(--accent),transparent)}
.lede{font-size:clamp(1.02rem,1.5vw,1.16rem);color:var(--muted);max-width:66ch}
.center .lede{margin-inline:auto}

/* ---------- hero ---------- */
.hero{
  position:relative;isolation:isolate;overflow:hidden;
  padding:clamp(4.5rem,9vw,8rem) 0 clamp(4rem,7vw,6.5rem);
  background:
    radial-gradient(1100px 620px at 78% -8%,rgba(201,151,43,.22),transparent 62%),
    radial-gradient(900px 560px at 8% 106%,rgba(14,124,134,.20),transparent 60%),
    linear-gradient(140deg,var(--indigo-900) 0%,var(--indigo-800) 45%,#221b52 100%);
  color:var(--hero-ink);
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;opacity:.5;
  background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.22) 1px,transparent 0);
  background-size:40px 40px;
  mask-image:radial-gradient(circle at 50% 40%,#000,transparent 75%);
}
.hero h1{color:#fff;max-width:16ch}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:clamp(2rem,4vw,4rem);align-items:center}
.hero .eyebrow{color:var(--gold-400)}
.hero-sub{color:rgba(255,255,255,.82);font-size:clamp(1.02rem,1.6vw,1.2rem);max-width:54ch;margin-bottom:2rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:.9rem}
.hero .btn-ghost{border-color:rgba(255,255,255,.4);color:#fff}
.hero .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.hero-media{position:relative}
.hero-media img{
  border-radius:var(--r-xl);box-shadow:0 30px 70px rgba(0,0,0,.45);
  aspect-ratio:4/3.2;object-fit:cover;width:100%;
}
.hero-media::before{
  content:"";position:absolute;inset:-14px -14px auto auto;width:62%;height:62%;
  border:1px solid rgba(227,180,72,.55);border-radius:var(--r-xl);z-index:-1;
}
.hero-badge{
  position:absolute;left:-16px;bottom:-22px;background:var(--surface);color:var(--ink);
  padding:.95rem 1.3rem;border-radius:var(--r-md);box-shadow:var(--shadow-lg);
  display:flex;align-items:center;gap:.8rem;max-width:265px;
}
.hero-badge strong{font-family:var(--font-display);font-size:1.5rem;color:var(--primary);line-height:1}
.hero-badge span{font-size:.78rem;color:var(--muted);line-height:1.35}

/* ---------- stats ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-md);
}
.stat{background:var(--surface);padding:2.1rem 1.2rem;text-align:center;transition:background .3s}
.stat:hover{background:var(--surface-2)}
.stat-num{font-family:var(--font-display);font-size:clamp(2rem,3.6vw,2.9rem);font-weight:600;
  background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;
  background-clip:text;color:transparent;line-height:1}
.stat-label{font-size:.82rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-top:.6rem}

/* ---------- cards ---------- */
.grid{display:grid;gap:1.6rem}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}

.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .3s cubic-bezier(.2,.8,.3,1),box-shadow .3s,border-color .3s;
  display:flex;flex-direction:column;height:100%;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--line-strong)}

/* programme card */
.prog-card{padding:2.1rem 1.9rem;position:relative}
.prog-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:3px;
  background:linear-gradient(90deg,var(--primary),var(--accent),var(--teal));
  opacity:0;transition:opacity .3s;
}
.prog-card:hover::before{opacity:1}
.prog-icon{
  width:60px;height:60px;border-radius:18px;display:grid;place-items:center;margin-bottom:1.3rem;
  background:linear-gradient(135deg,color-mix(in srgb,var(--primary) 14%,transparent),color-mix(in srgb,var(--accent) 16%,transparent));
  color:var(--primary);border:1px solid var(--line);
}
.prog-icon svg{width:28px;height:28px}
.prog-card h3{margin-bottom:.5rem}
.prog-card p{color:var(--muted);font-size:.96rem;margin-bottom:1.1rem}
.prog-more{margin-top:auto;font-weight:700;font-size:.88rem;color:var(--primary);display:inline-flex;align-items:center;gap:.4rem}
.prog-more svg{width:15px;height:15px;transition:transform .25s}
.prog-card:hover .prog-more svg{transform:translateX(4px)}

/* ---------- blog cards: fixed height, 3 per row ---------- */
.blog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.9rem}
.blog-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  height:480px;
  transition:transform .32s cubic-bezier(.2,.8,.3,1),box-shadow .32s,border-color .32s;
}
.blog-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-lg);border-color:var(--line-strong)}
.blog-thumb{position:relative;height:210px;flex:0 0 210px;overflow:hidden;background:var(--bg-alt)}
.blog-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.2,.8,.3,1)}
.blog-card:hover .blog-thumb img{transform:scale(1.07)}
.blog-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(16,22,58,.42),transparent 55%)}
.blog-cat{
  position:absolute;top:.95rem;left:.95rem;z-index:2;
  background:var(--glass);backdrop-filter:blur(8px);color:var(--primary);
  padding:.32rem .8rem;border-radius:999px;font-size:.7rem;font-weight:800;
  letter-spacing:.11em;text-transform:uppercase;border:1px solid var(--line);
}
.blog-body{padding:1.4rem 1.5rem 1.5rem;display:flex;flex-direction:column;flex:1;min-height:0}
.blog-meta{display:flex;align-items:center;gap:.55rem;font-size:.76rem;color:var(--muted);
  font-weight:600;letter-spacing:.04em;margin-bottom:.7rem}
.blog-meta span{display:inline-flex;align-items:center;gap:.3rem}
.blog-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line-strong)}
.blog-card h3{
  font-size:1.16rem;line-height:1.32;margin-bottom:.55rem;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.blog-card:hover h3{color:var(--primary)}
.blog-card p{
  color:var(--muted);font-size:.92rem;line-height:1.6;margin:0 0 1rem;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.blog-read{margin-top:auto;display:inline-flex;align-items:center;gap:.45rem;
  font-weight:700;font-size:.86rem;color:var(--primary)}
.blog-read svg{width:15px;height:15px;transition:transform .25s}
.blog-card:hover .blog-read svg{transform:translateX(4px)}
.blog-card-link{display:contents;color:inherit}

/* ---------- article ---------- */
.article-hero{
  padding:clamp(3rem,6vw,5rem) 0 2.4rem;
  background:linear-gradient(160deg,var(--bg-alt),transparent);
  border-bottom:1px solid var(--line);
}
.article-hero h1{max-width:20ch}
.breadcrumbs{font-size:.8rem;color:var(--muted);margin-bottom:1.2rem;font-weight:600}
.breadcrumbs a{color:var(--muted)}
.breadcrumbs a:hover{color:var(--accent)}
.breadcrumbs span{margin:0 .45rem;opacity:.5}
.article-cover{
  width:100%;max-height:520px;object-fit:cover;border-radius:var(--r-xl);
  box-shadow:var(--shadow-lg);margin:2.2rem 0;
}
.prose{font-size:1.08rem;line-height:1.82;color:var(--ink-soft)}
.prose h2{margin-top:2.4rem;color:var(--ink)}
.prose h3{margin-top:1.9rem;color:var(--ink)}
.prose img{border-radius:var(--r-lg);box-shadow:var(--shadow-md);margin:1.9rem auto}
.prose ul,.prose ol{padding-left:1.35rem;margin-bottom:1.2rem}
.prose li{margin-bottom:.55rem}
.prose a{border-bottom:1px solid color-mix(in srgb,var(--primary) 40%,transparent)}
.prose blockquote{
  margin:2rem 0;padding:1.4rem 1.7rem;border-left:4px solid var(--accent);
  background:var(--surface-2);border-radius:0 var(--r-md) var(--r-md) 0;
  font-family:var(--font-display);font-size:1.14rem;color:var(--ink);
}
.prose :lang(hi),.prose p:has(> :not(:lang(en))){font-family:var(--font-deva)}

/* ---------- gallery: masonry, mixed orientation ---------- */
.gal-search{
  display:flex;gap:.7rem;align-items:center;max-width:560px;margin:0 auto 2.6rem;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  padding:.45rem .5rem .45rem 1.3rem;box-shadow:var(--shadow-sm);
  transition:border-color .25s,box-shadow .25s;
}
.gal-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px var(--ring)}
.gal-search svg{width:19px;height:19px;color:var(--muted);flex-shrink:0}
.gal-search input{flex:1;border:0;background:transparent;outline:0;padding:.5rem 0;font-size:.98rem}
.gal-search input::placeholder{color:var(--muted)}
.gal-count{text-align:center;color:var(--muted);font-size:.88rem;margin-bottom:2rem}

.masonry{columns:4;column-gap:1.1rem}
@media (max-width:1100px){.masonry{columns:3}}
@media (max-width:760px){.masonry{columns:2}}
@media (max-width:460px){.masonry{columns:1}}
.masonry-item{
  break-inside:avoid;margin-bottom:1.1rem;border-radius:var(--r-md);overflow:hidden;
  position:relative;cursor:zoom-in;background:var(--bg-alt);
  box-shadow:var(--shadow-sm);transition:transform .35s cubic-bezier(.2,.8,.3,1),box-shadow .35s;
  display:block;
}
.masonry-item:hover{transform:translateY(-4px) scale(1.012);box-shadow:var(--shadow-lg)}
.masonry-item img{width:100%;height:auto;display:block}
.masonry-cap{
  position:absolute;inset:auto 0 0 0;padding:1.5rem .95rem .85rem;
  background:linear-gradient(to top,rgba(10,14,28,.9),transparent);
  color:#fff;font-size:.82rem;font-weight:600;
  opacity:0;transform:translateY(8px);transition:opacity .3s,transform .3s;
}
.masonry-item:hover .masonry-cap{opacity:1;transform:none}
.gal-empty{text-align:center;padding:4rem 1rem;color:var(--muted)}

/* lightbox */
.lb{
  position:fixed;inset:0;z-index:200;background:rgba(6,9,18,.94);
  display:none;align-items:center;justify-content:center;padding:2.5rem 1.2rem;
  backdrop-filter:blur(6px);
}
.lb.open{display:flex}
.lb img{max-width:min(94vw,1200px);max-height:86vh;width:auto;border-radius:var(--r-md);box-shadow:0 30px 80px rgba(0,0,0,.7)}
.lb-cap{position:absolute;bottom:1.3rem;left:0;right:0;text-align:center;color:rgba(255,255,255,.88);font-size:.9rem;padding:0 1rem}
.lb-close,.lb-nav{
  position:absolute;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  color:#fff;width:48px;height:48px;border-radius:50%;cursor:pointer;display:grid;place-items:center;
  transition:background .2s,transform .2s;
}
.lb-close:hover,.lb-nav:hover{background:rgba(255,255,255,.22);transform:scale(1.08)}
.lb-close{top:1.3rem;right:1.3rem;font-size:1.5rem;line-height:1}
.lb-prev{left:1.3rem;top:50%;transform:translateY(-50%)}
.lb-next{right:1.3rem;top:50%;transform:translateY(-50%)}
.lb-prev:hover,.lb-next:hover{transform:translateY(-50%) scale(1.08)}

/* ---------- forms ---------- */
.field{margin-bottom:1.25rem}
.field label{display:block;font-size:.83rem;font-weight:700;letter-spacing:.05em;
  text-transform:uppercase;color:var(--muted);margin-bottom:.5rem}
.input,.textarea,select.input{
  width:100%;padding:.9rem 1.1rem;border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--surface);color:var(--ink);transition:border-color .22s,box-shadow .22s;
}
.input:focus,.textarea:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 4px var(--ring)}
.textarea{min-height:150px;resize:vertical;font-family:inherit}
.hint{font-size:.83rem;color:var(--muted);margin-top:.45rem}
.alert{padding:.95rem 1.2rem;border-radius:var(--r-md);margin-bottom:1.3rem;font-size:.93rem;font-weight:600;
  border:1px solid transparent}
.alert-ok{background:color-mix(in srgb,var(--teal) 12%,transparent);color:var(--teal);border-color:color-mix(in srgb,var(--teal) 30%,transparent)}
.alert-err{background:color-mix(in srgb,var(--rose-500) 12%,transparent);color:var(--rose-500);border-color:color-mix(in srgb,var(--rose-500) 30%,transparent)}
.alert-info{background:color-mix(in srgb,var(--primary) 10%,transparent);color:var(--primary);border-color:color-mix(in srgb,var(--primary) 26%,transparent)}

/* OTP boxes */
.otp-row{display:flex;gap:.6rem;justify-content:flex-start;margin-bottom:.4rem}
.otp-box{
  width:52px;height:60px;text-align:center;font-size:1.5rem;font-weight:700;
  font-family:var(--font-display);border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--surface);transition:border-color .2s,box-shadow .2s,transform .2s;
}
.otp-box:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 4px var(--ring);transform:translateY(-2px)}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(2rem,4vw,3.5rem);align-items:start}
.contact-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:2rem;box-shadow:var(--shadow-sm);
}
.contact-item{display:flex;gap:1rem;align-items:flex-start;padding:1.1rem 0;border-bottom:1px solid var(--line)}
.contact-item:last-child{border-bottom:0;padding-bottom:0}
.contact-item:first-child{padding-top:0}
.contact-ico{
  width:44px;height:44px;border-radius:12px;flex-shrink:0;display:grid;place-items:center;
  background:color-mix(in srgb,var(--primary) 10%,transparent);color:var(--primary);
}
.contact-ico svg{width:20px;height:20px}
.contact-item strong{display:block;font-size:.76rem;letter-spacing:.11em;text-transform:uppercase;
  color:var(--muted);margin-bottom:.2rem;font-weight:800}
.contact-item a,.contact-item p{color:var(--ink);margin:0;font-weight:600}

/* ---------- UPI / donate ---------- */
.upi{
  background:
    radial-gradient(800px 460px at 85% 10%,rgba(201,151,43,.2),transparent 60%),
    linear-gradient(145deg,var(--indigo-900),var(--indigo-800) 60%,#241d55);
  color:#fff;border-radius:var(--r-xl);padding:clamp(2.4rem,5vw,4rem);
  box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.upi::before{
  content:"";position:absolute;inset:0;opacity:.35;
  background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.2) 1px,transparent 0);
  background-size:34px 34px;
  mask-image:radial-gradient(circle at 80% 20%,#000,transparent 70%);
}
.upi-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(2rem,4vw,3.5rem);align-items:center;position:relative}
.upi h2{color:#fff}
.upi .eyebrow{color:var(--gold-400)}
.upi p{color:rgba(255,255,255,.82)}
.upi-id{
  display:inline-flex;align-items:center;gap:.8rem;margin-top:.5rem;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  padding:.75rem 1.1rem;border-radius:var(--r-md);font-weight:700;letter-spacing:.02em;
}
.upi-id code{font-family:var(--font-body);font-size:1rem;color:var(--gold-200)}
.upi-copy{background:rgba(255,255,255,.14);border:0;color:#fff;padding:.4rem .8rem;
  border-radius:8px;font-size:.78rem;font-weight:700;cursor:pointer;transition:background .2s}
.upi-copy:hover{background:rgba(255,255,255,.26)}
.upi-qr{
  background:#fff;border-radius:var(--r-lg);padding:1.1rem;box-shadow:0 24px 60px rgba(0,0,0,.42);
  max-width:330px;margin-inline:auto;
}
.upi-qr img{width:100%;border-radius:var(--r-sm);aspect-ratio:1;object-fit:contain;background:#fff}
.upi-qr-cap{text-align:center;font-size:.76rem;font-weight:800;letter-spacing:.12em;
  text-transform:uppercase;color:#4a4638;margin-top:.8rem}
.upi-placeholder{
  aspect-ratio:1;display:grid;place-items:center;text-align:center;color:#8a8574;
  border:2px dashed #d8d2c0;border-radius:var(--r-sm);padding:1.5rem;font-size:.86rem;
}

/* ---------- footer ---------- */
.site-footer{background:var(--indigo-900);color:rgba(255,255,255,.72);padding:4rem 0 0;margin-top:0}
html[data-theme="dark"] .site-footer{background:#060911;border-top:1px solid var(--line)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:2.4rem;padding-bottom:3rem}
.site-footer h4{color:#fff;font-family:var(--font-body);font-size:.8rem;font-weight:800;
  letter-spacing:.14em;text-transform:uppercase;margin-bottom:1.2rem}
.site-footer a{color:rgba(255,255,255,.72);font-size:.93rem}
.site-footer a:hover{color:var(--gold-400)}
.foot-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.7rem}
.foot-brand img{height:56px;margin-bottom:1.1rem}
.foot-brand p{font-size:.92rem;line-height:1.7;max-width:34ch}
.socials{display:flex;gap:.6rem;margin-top:1.2rem}
.socials a{width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.18);
  display:grid;place-items:center;transition:background .2s,border-color .2s,transform .2s}
.socials a:hover{background:var(--gold-500);border-color:var(--gold-500);color:#1a1405;transform:translateY(-2px)}
.socials svg{width:17px;height:17px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:1.5rem 0;
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.85rem}

/* ---------- pagination ---------- */
.pager{display:flex;justify-content:center;gap:.5rem;margin-top:3.2rem;flex-wrap:wrap}
.pager a,.pager span{
  min-width:44px;height:44px;padding:0 .9rem;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);
  font-weight:700;font-size:.9rem;color:var(--ink-soft);transition:all .2s;
}
.pager a:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.pager .current{background:var(--primary);border-color:var(--primary);color:var(--on-primary)}

/* ---------- page hero (inner pages) ---------- */
.page-hero{
  position:relative;padding:clamp(3.4rem,7vw,5.6rem) 0;overflow:hidden;
  background:linear-gradient(135deg,var(--indigo-900),var(--indigo-800) 70%,#241d55);
  color:#fff;
}
.page-hero::after{
  content:"";position:absolute;inset:0;opacity:.4;
  background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.18) 1px,transparent 0);
  background-size:36px 36px;mask-image:linear-gradient(to bottom,#000,transparent);
}
.page-hero h1{color:#fff;margin-bottom:.6rem}
.page-hero .eyebrow{color:var(--gold-400)}
.page-hero p{color:rgba(255,255,255,.8);max-width:62ch;margin:0}
.page-hero .breadcrumbs{color:rgba(255,255,255,.62)}
.page-hero .breadcrumbs a{color:rgba(255,255,255,.62)}
.page-hero .breadcrumbs a:hover{color:var(--gold-400)}
.page-hero > .wrap{position:relative;z-index:1}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.8,.3,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .hero-grid{grid-template-columns:1fr}
  .hero-media{order:-1;max-width:520px}
  .hero-badge{left:auto;right:-8px}
  .contact-grid{grid-template-columns:1fr}
  .upi-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .blog-grid,.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
  .burger{display:flex}
  .nav-links{
    position:fixed;inset:var(--nav-h) 0 auto 0;flex-direction:column;align-items:stretch;
    background:var(--surface);border-bottom:1px solid var(--line);padding:1rem 1.3rem 1.6rem;
    gap:.2rem;box-shadow:var(--shadow-lg);
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;
    max-height:calc(100vh - var(--nav-h));overflow-y:auto;
  }
  .nav-links.open{transform:none;opacity:1;pointer-events:auto}
  .nav-links a{padding:.9rem 1rem;font-size:1rem}
  .nav-links a.active::after{left:1rem;right:auto;width:24px;bottom:.55rem}
  .brand-sub{display:none}
}
@media (max-width:640px){
  body{font-size:16px}
  .wrap,.wrap-narrow{width:min(100% - 1.8rem,var(--wrap))}
  .blog-grid,.grid-3,.grid-2{grid-template-columns:1fr}
  .blog-card{height:auto;min-height:440px}
  .foot-grid{grid-template-columns:1fr;gap:2rem}
  .hero-badge{position:static;margin-top:1rem;max-width:none}
  .otp-box{width:44px;height:54px;font-size:1.25rem}
  .btn{width:100%}
  .hero-cta .btn{width:auto;flex:1 1 auto}
}
@media print{
  .site-header,.site-footer,.sci-bg,.lb{display:none}
  body{background:#fff;color:#000}
}