/* ============================================================
   BookmarQ — shared site styles
   Palette derived from the logo: navy, saffron, India-green, gold.
   ============================================================ */
:root {
  --navy: #1b2a63;
  --navy-deep: #111c45;
  --saffron: #ff8a29;
  --green: #1b8e4a;
  --gold: #e3b23c;
  --gold-deep: #9a6f0e;
  --ink: #16192b;
  --muted: #5b6070;
  --surface: #fbfaf7;
  --card: #ffffff;
  --border: #ece7db;
  --shadow: 0 20px 50px rgba(27, 42, 99, 0.16);
  --radius: 22px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Nunito Sans', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--ink);
  background: var(--surface);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: var(--navy); text-decoration: none; }
img { max-width: 100%; display: block; }
.brand-font { font-family: 'Lobster Two', cursive; }

/* ---- layout helpers ---- */
.container { width: min(1120px, 92%); margin: 0 auto; }
.section { padding: 90px 0; }
.eyebrow {
  text-transform: uppercase; letter-spacing: 2px; font-weight: 800;
  font-size: 13px; color: var(--saffron);
}
h1, h2, h3 { line-height: 1.15; color: var(--navy); }
.h-lg { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 900; }
.h-md { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 900; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 60ch; }

/* ---- buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 26px; border-radius: 999px; font-weight: 800;
  transition: transform .2s ease, box-shadow .2s ease; cursor: pointer;
  border: none; font-size: 1rem;
}
.btn-primary {
  background: linear-gradient(135deg, var(--saffron), var(--gold));
  color: #fff; box-shadow: 0 12px 26px rgba(255, 138, 41, .35);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 18px 34px rgba(255,138,41,.45); }
.btn-ghost { background: rgba(255,255,255,.14); color: #fff; border: 1.5px solid rgba(255,255,255,.5); }
.btn-ghost:hover { background: rgba(255,255,255,.24); transform: translateY(-2px); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

/* ---- top nav ---- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(12px); background: rgba(251, 250, 247, .8);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { width: 40px; height: 40px; border-radius: 10px; }
.nav-logo .name { font-size: 1.6rem; color: var(--navy); }
.nav-links { display: flex; gap: 22px; align-items: center; }
.nav-links a { font-weight: 700; color: var(--ink); }
.nav-links a:hover { color: var(--saffron); }
@media (max-width: 720px){ .nav-links a:not(.btn){ display:none; } }

/* ---- hero ---- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(255,138,41,.18), transparent 60%),
    radial-gradient(900px 500px at 0% 20%, rgba(27,142,74,.14), transparent 55%),
    linear-gradient(160deg, var(--navy-deep), var(--navy));
  color: #fff; padding: 110px 0 130px;
}
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
@media (max-width: 900px){ .hero .container{ grid-template-columns: 1fr; text-align:center; } }
.hero h1 { color: #fff; }
.hero .brand-title { font-size: clamp(3rem, 8vw, 5.5rem); color: #fff; line-height: .95; }
.hero .tagline { color: var(--gold); font-weight: 800; letter-spacing: 1px; margin-top: 6px; }
.hero p.lead { color: rgba(255,255,255,.82); }
.hero-cta { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
@media (max-width: 900px){ .hero-cta{ justify-content:center; } }

/* floating particles */
.particles { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.particle { position: absolute; border-radius: 50%; background: rgba(255,255,255,.5); animation: floatUp linear infinite; opacity: .5; }
@keyframes floatUp {
  from { transform: translateY(20px) scale(1); opacity: 0; }
  20% { opacity: .6; }
  to { transform: translateY(-120px) scale(.6); opacity: 0; }
}

/* ---- 3D animated book scene ---- */
.book-scene { position: relative; height: 380px; perspective: 1200px; display:flex; align-items:center; justify-content:center; }
.book {
  position: absolute; width: 150px; height: 210px; border-radius: 6px 12px 12px 6px;
  transform-style: preserve-3d; box-shadow: -8px 12px 28px rgba(0,0,0,.35);
  animation: bookFloat 6s ease-in-out infinite;
}
.book::before { /* spine highlight */
  content:''; position:absolute; left:0; top:0; bottom:0; width:12px;
  background: rgba(0,0,0,.18); border-radius: 6px 0 0 6px;
}
.book::after { /* title bar */
  content:''; position:absolute; left:24px; right:16px; top:26px; height:10px;
  background: rgba(255,255,255,.55); border-radius: 4px;
  box-shadow: 0 22px 0 rgba(255,255,255,.35), 0 44px 0 rgba(255,255,255,.25);
}
.book.b1 { background: linear-gradient(135deg,#ff8a29,#e3b23c); transform: rotateY(-18deg) rotateX(6deg) translateX(-90px); z-index:3; }
.book.b2 { background: linear-gradient(135deg,#1b8e4a,#12703a); transform: rotateY(10deg) rotateX(-4deg) translate(20px,30px) scale(.92); z-index:2; animation-delay:-2s; }
.book.b3 { background: linear-gradient(135deg,#2c3f86,#1b2a63); transform: rotateY(24deg) rotateX(8deg) translate(120px,-10px) scale(.85); z-index:1; animation-delay:-4s; }
@keyframes bookFloat {
  0%,100% { transform: var(--t, rotateY(-18deg)) translateY(0); }
}
/* individual float via translateY overlay */
.book.b1 { animation-name: float1; }
.book.b2 { animation-name: float2; }
.book.b3 { animation-name: float3; }
@keyframes float1 { 0%,100%{ transform: rotateY(-18deg) rotateX(6deg) translate(-90px,0);} 50%{ transform: rotateY(-18deg) rotateX(6deg) translate(-90px,-22px);} }
@keyframes float2 { 0%,100%{ transform: rotateY(10deg) rotateX(-4deg) translate(20px,30px) scale(.92);} 50%{ transform: rotateY(10deg) rotateX(-4deg) translate(20px,8px) scale(.92);} }
@keyframes float3 { 0%,100%{ transform: rotateY(24deg) rotateX(8deg) translate(120px,-10px) scale(.85);} 50%{ transform: rotateY(24deg) rotateX(8deg) translate(120px,-32px) scale(.85);} }

/* glowing quill accent */
.quill { position:absolute; top:-10px; left:50%; transform:translateX(-50%); font-size:44px; filter: drop-shadow(0 0 14px rgba(227,178,60,.8)); animation: bob 4s ease-in-out infinite; z-index:4; }
@keyframes bob { 0%,100%{ transform: translateX(-50%) translateY(0) rotate(-8deg);} 50%{ transform: translateX(-50%) translateY(-14px) rotate(4deg);} }

/* ---- reveal on scroll ---- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---- feature cards ---- */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 820px){ .grid-3,.grid-2{ grid-template-columns: 1fr; } }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; box-shadow: 0 10px 24px rgba(27,42,99,.06); transition: transform .25s ease, box-shadow .25s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card .icon { width: 52px; height: 52px; border-radius: 14px; display:grid; place-items:center; font-size: 24px; color:#fff; margin-bottom: 14px; background: linear-gradient(135deg, var(--saffron), var(--gold)); }
.card h3 { font-size: 1.2rem; margin-bottom: 6px; }
.card p { color: var(--muted); font-size: .98rem; }

/* ---- tiers ---- */
.tier-row { display:flex; gap:16px; flex-wrap:wrap; justify-content:center; }
.tier {
  flex: 1 1 170px; min-width: 160px; text-align:center; padding: 22px 16px; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--border); position: relative; overflow:hidden;
  transition: transform .25s ease;
}
.tier:hover { transform: translateY(-6px); }
.tier .medal { font-size: 34px; }
.tier .t-name { font-weight: 900; color: var(--navy); margin-top: 6px; font-size: 1.1rem; }
.tier .t-hindi { color: var(--gold-deep); font-weight: 800; }
.tier .t-pts { color: var(--muted); font-size: .9rem; margin-top: 4px; }
.tier::after { content:''; position:absolute; left:0; right:0; bottom:0; height:5px; background: linear-gradient(90deg,var(--saffron),var(--gold)); }

/* ---- CTA band ---- */
.cta-band {
  background: linear-gradient(135deg, var(--navy), var(--navy-deep));
  color:#fff; border-radius: 30px; padding: 54px; text-align:center;
  box-shadow: var(--shadow);
}
.cta-band h2 { color:#fff; }
.cta-band p { color: rgba(255,255,255,.8); margin: 10px auto 22px; max-width: 52ch; }

/* ---- footer ---- */
.footer { background: var(--navy-deep); color: rgba(255,255,255,.8); padding: 50px 0 30px; }
.footer .cols { display:flex; justify-content:space-between; gap: 30px; flex-wrap:wrap; }
.footer h4 { color:#fff; margin-bottom: 12px; font-size: 1rem; }
.footer a { color: rgba(255,255,255,.75); display:block; margin: 6px 0; }
.footer a:hover { color: var(--gold); }
.footer .brand { font-size: 1.8rem; color:#fff; }
.footer .fine { margin-top: 30px; border-top: 1px solid rgba(255,255,255,.12); padding-top: 18px; font-size: .85rem; color: rgba(255,255,255,.6); }

/* ---- legal/doc pages ---- */
.doc { padding: 60px 0 90px; }
.doc .container { max-width: 820px; }
.doc h1 { margin-bottom: 6px; }
.doc .updated { color: var(--muted); margin-bottom: 30px; }
.doc h2 { font-size: 1.35rem; margin: 30px 0 10px; color: var(--navy); }
.doc p, .doc li { color: #2b2f40; margin-bottom: 10px; }
.doc ul { padding-left: 22px; margin-bottom: 12px; }
.doc .callout {
  background: #fff6e8; border: 1px solid #f5d9a6; border-left: 5px solid var(--saffron);
  padding: 16px 18px; border-radius: 12px; margin: 18px 0; color: #6b4e18;
}
.doc a { color: var(--saffron); font-weight: 700; }
.page-hero {
  background: linear-gradient(135deg, var(--navy), var(--navy-deep)); color:#fff; padding: 60px 0 40px;
}
.page-hero h1 { color:#fff; }
.page-hero p { color: rgba(255,255,255,.8); }