/* Agriguru EdTech — Agricultural Assistant Grade II hub
   Brand colors pulled from agriguruedtech.com */
:root{
  --primary:#059669;
  --primary-dark:#047857;
  --primary-light:#10b981;
  --primary-50:#ecfdf5;
  --secondary:#d97706;
  --secondary-dark:#b45309;
  --secondary-50:#fef3c7;
  --fg:#0f172a;
  --muted:#475569;
  --dim:#94a3b8;
  --border:#e5e7eb;
  --surface:#f9fafb;
  --card:#fff;
  --footer:#0f172a;
  --footer-2:#1e293b;
  --on-dark:#f8fafc;
  --radius-lg:.75rem;
  --radius-xl:1rem;
  --radius-2xl:1.5rem;
  --max-w:1120px;
  --font-sans:"Inter",ui-sans-serif,system-ui,sans-serif;
  --font-display:"Space Grotesk","Inter",ui-sans-serif,system-ui,sans-serif;
  --font-ml:"Noto Sans Malayalam","Manjari",sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  color:var(--fg);
  background:#fff;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary-dark);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.2;margin:0 0 .5em;font-weight:700}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.4em}
.wrap{max-width:var(--max-w);margin:0 auto;padding:0 20px}
.small-wrap{max-width:840px;margin:0 auto;padding:0 20px}

/* Language toggle — !important + revert so this always wins over
   component display rules (.pill, .card etc.) regardless of source order */
[data-lang="ml"]{display:none !important; font-family:var(--font-ml)}
html[data-active-lang="ml"] [data-lang="en"]{display:none !important}
html[data-active-lang="ml"] [data-lang="ml"]{display:revert !important}
.lang-only-note{display:none}
html[data-active-lang="ml"] .lang-only-note{display:block}

/* Progressive reveal for previous-paper questions */
.js-hidden{display:none !important}

/* Top notice bar */
.notice-bar{background:var(--footer);color:var(--on-dark);font-size:.85rem;text-align:center;padding:8px 16px}
.notice-bar a{color:var(--primary-light);text-decoration:underline}

/* Header */
header.site-header{border-bottom:1px solid var(--border);position:sticky;top:0;background:#fff;z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 20px;max-width:var(--max-w);margin:0 auto}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:38px;width:auto}
nav.primary-nav{display:none;gap:18px;align-items:center}
nav.primary-nav a{color:var(--fg);font-weight:500;font-size:.94rem}
nav.primary-nav a:hover{color:var(--primary-dark);text-decoration:none}
.header-actions{display:flex;align-items:center;gap:10px}
.lang-toggle{display:flex;border:1px solid var(--border);border-radius:999px;overflow:hidden;font-size:.8rem;font-weight:600}
.lang-toggle button{border:0;background:#fff;color:var(--muted);padding:6px 12px;cursor:pointer;font-family:var(--font-sans)}
.lang-toggle button.active{background:var(--primary);color:#fff}
.btn{display:inline-flex;align-items:center;gap:6px;font-weight:600;padding:10px 18px;border-radius:999px;border:0;cursor:pointer;font-size:.9rem;font-family:var(--font-sans)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);text-decoration:none}
.btn-whatsapp{background:#25d366;color:#fff}
.btn-whatsapp:hover{background:#1ebe5b;text-decoration:none}
.btn-outline{background:transparent;color:var(--primary-dark);border:1.5px solid var(--primary)}
.menu-toggle{display:inline-flex;background:none;border:1px solid var(--border);border-radius:8px;padding:8px;cursor:pointer}
@media(min-width:900px){
  nav.primary-nav{display:flex}
  .menu-toggle{display:none}
}
.mobile-nav{display:none;flex-direction:column;gap:2px;padding:10px 20px 16px;border-bottom:1px solid var(--border)}
.mobile-nav.open{display:flex}
.mobile-nav a{padding:10px 4px;color:var(--fg);border-bottom:1px solid var(--border);font-weight:500}
@media(min-width:900px){.mobile-nav{display:none !important}}

/* Breadcrumb */
.breadcrumb{font-size:.82rem;color:var(--dim);padding:14px 0 0}
.breadcrumb a{color:var(--muted)}

/* Hero */
.hero{background:linear-gradient(180deg,var(--primary-50) 0%,#fff 100%);padding:40px 0 32px;border-bottom:1px solid var(--border)}
.eyebrow{display:inline-block;background:var(--secondary-50);color:var(--secondary-dark);font-size:.78rem;font-weight:700;padding:5px 12px;border-radius:999px;margin-bottom:14px;letter-spacing:.02em}
.hero h1{font-size:clamp(1.7rem,4vw,2.6rem);max-width:820px}
.hero .lede{font-size:1.08rem;color:var(--muted);max-width:680px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}
.pill{background:#fff;border:1px solid var(--border);border-radius:999px;padding:7px 14px;font-size:.85rem;font-weight:600;display:flex;gap:6px;align-items:center}
.pill strong{color:var(--primary-dark)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}

/* Section */
section{padding:44px 0}
section.alt{background:var(--surface)}
.section-head{margin-bottom:22px}
.section-head .eyebrow{margin-bottom:8px}
.section-head p{color:var(--muted);max-width:680px}

/* Card grid (hub links) */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:20px;transition:.15s;display:flex;flex-direction:column;gap:8px}
.card:hover{border-color:var(--primary);box-shadow:0 4px 16px rgba(5,150,105,.08);text-decoration:none}
.card .icon{font-size:1.6rem}
.card h3{font-size:1.05rem;margin:0}
.card p{color:var(--muted);font-size:.88rem;margin:0}
.card .go{margin-top:auto;color:var(--primary-dark);font-weight:600;font-size:.85rem}

/* Table */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius-lg)}
table{width:100%;border-collapse:collapse;font-size:.92rem;min-width:480px}
th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--border)}
th{background:var(--surface);font-weight:700;color:var(--fg)}
tr:last-child td{border-bottom:0}

/* Module accordion (syllabus) */
.module{border:1px solid var(--border);border-radius:var(--radius-lg);margin-bottom:12px;overflow:hidden}
.module summary{cursor:pointer;padding:14px 18px;font-weight:700;font-family:var(--font-display);display:flex;justify-content:space-between;gap:12px;align-items:center;background:var(--surface);list-style:none}
.module summary::-webkit-details-marker{display:none}
.module summary .marks{font-size:.78rem;background:var(--primary-50);color:var(--primary-dark);padding:3px 10px;border-radius:999px;font-family:var(--font-sans);font-weight:700;white-space:nowrap}
.module[open] summary{border-bottom:1px solid var(--border)}
.module .body{padding:16px 18px;color:var(--muted);font-size:.93rem}

/* Callout / disclaimer */
.callout{border:1px solid var(--border);border-left:4px solid var(--secondary);background:var(--secondary-50);border-radius:var(--radius-lg);padding:16px 18px;font-size:.9rem;color:#7c4a03}
.callout.info{border-left-color:var(--primary);background:var(--primary-50);color:#065f46}
.callout strong{display:block;margin-bottom:4px}

/* Lead form */
.lead-box{background:var(--footer);color:var(--on-dark);border-radius:var(--radius-2xl);padding:32px;display:grid;gap:24px}
@media(min-width:800px){.lead-box{grid-template-columns:1fr 1fr;align-items:center}}
.lead-box h2{color:#fff}
.lead-box p{color:#cbd5e1}
.lead-form{background:#fff;border-radius:var(--radius-xl);padding:20px;display:flex;flex-direction:column;gap:12px}
.lead-form label{font-size:.8rem;font-weight:700;color:var(--fg)}
.lead-form input,.lead-form select{padding:11px 12px;border:1px solid var(--border);border-radius:8px;font-size:.95rem;font-family:var(--font-sans)}
.lead-form .btn{justify-content:center;margin-top:4px}
.lead-note{font-size:.75rem;color:var(--dim)}

/* Answer key grid */
.ak-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px;font-size:.85rem}
.ak-item{border:1px solid var(--border);border-radius:8px;padding:8px 10px;display:flex;justify-content:space-between}
.ak-item b{color:var(--primary-dark)}

/* Question card */
.q{border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px 18px;margin-bottom:12px}
.q .qn{font-weight:700;color:var(--primary-dark);margin-right:6px}
.q .opts{list-style:none;padding:0;margin:8px 0 0;display:grid;gap:6px}
.q .opts li{background:var(--surface);border-radius:6px;padding:7px 10px;font-size:.9rem}
.q .opts li.correct{background:var(--primary-50);color:var(--primary-dark);font-weight:700}

/* Footer */
footer.site-footer{background:var(--footer);color:#cbd5e1;padding:48px 0 24px;margin-top:40px}
.footer-grid{display:grid;gap:28px;grid-template-columns:1fr}
@media(min-width:800px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.footer-grid h4{color:#fff;font-size:.9rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:12px}
.footer-grid a{color:#cbd5e1;display:block;padding:4px 0;font-size:.9rem}
.footer-grid a:hover{color:#fff}
.footer-brand img{height:34px;margin-bottom:10px;filter:brightness(0) invert(1)}
.footer-social{display:flex;gap:10px;margin-top:12px}
.footer-social a{background:var(--footer-2);width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1rem}
.footer-bottom{border-top:1px solid var(--footer-2);margin-top:32px;padding-top:20px;font-size:.8rem;color:var(--dim);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}
.footer-disclaimer{font-size:.78rem;color:var(--dim);max-width:800px;margin-top:14px;line-height:1.6}

/* Floating animated WhatsApp button */
.whatsapp-fab{
  position:fixed;bottom:20px;right:20px;z-index:60;
  width:60px;height:60px;border-radius:50%;
  background:#25d366;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 20px rgba(0,0,0,.28);
  text-decoration:none;transition:transform .18s ease,background .18s ease;
}
.whatsapp-fab:hover{background:#1ebe5b;transform:scale(1.08);text-decoration:none}
.whatsapp-fab svg{width:30px;height:30px;position:relative;z-index:2}
.whatsapp-fab .fab-ring{
  position:absolute;inset:0;border-radius:50%;
  border:2.5px solid #25d366;
  animation:wa-pulse 2.2s cubic-bezier(.4,0,.3,1) infinite;
  pointer-events:none;
}
.whatsapp-fab .fab-ring.delay{animation-delay:1.1s}
.whatsapp-fab .fab-dot{
  position:absolute;top:-2px;right:-2px;width:14px;height:14px;border-radius:50%;
  background:#ff3b30;border:2px solid #fff;z-index:3;
  animation:wa-bounce 2.4s ease-in-out infinite;
}
@keyframes wa-pulse{
  0%{transform:scale(1);opacity:.65}
  100%{transform:scale(1.9);opacity:0}
}
@keyframes wa-bounce{
  0%,60%,100%{transform:scale(1)}
  75%{transform:scale(1.35)}
}
@media(min-width:900px){.whatsapp-fab{display:none}}
@media (prefers-reduced-motion: reduce){
  .whatsapp-fab .fab-ring{animation:none;display:none}
  .whatsapp-fab .fab-dot{animation:none}
}