/* Oshudh Nirdeshika — marketing site styles */
:root {
  --teal-900: #06453C;
  --teal-800: #0A5F52;
  --teal-700: #0E7C6B;
  --teal-600: #12907C;
  --teal-100: #D9EFEA;
  --teal-50: #EAF6F3;
  --mint-600: #2E9E6B;
  --amber-500: #F4A81C;
  --amber-600: #DB8A06;
  --ink: #13221F;
  --slate: #5D6D68;
  --mist: #93A29D;
  --line: #E4EAE8;
  --canvas: #F6F8F7;
  --card: #FFFFFF;
  --radius: 20px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Poppins', system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--canvas);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.bn { font-family: 'Tiro Bangla', serif; }

a { color: var(--teal-700); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ───── Nav ───── */
header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(246, 248, 247, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 17px; color: var(--ink);
}
.brand:hover { text-decoration: none; }
.brand img { width: 36px; height: 36px; border-radius: 10px; }
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a { color: var(--slate); font-size: 14.5px; font-weight: 500; }
.nav-links a:hover { color: var(--teal-700); text-decoration: none; }
.nav-cta {
  background: var(--teal-700); color: #fff !important;
  padding: 9px 20px; border-radius: 999px; font-weight: 600;
  transition: transform .15s ease, background .15s ease;
}
.nav-cta:hover { background: var(--teal-800); transform: translateY(-1px); }

/* ───── Buttons ───── */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 14px 28px; border-radius: 999px; font-weight: 600; font-size: 15px;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--teal-800); box-shadow: 0 10px 26px rgba(0,0,0,.18); }
.btn-light:hover { background: var(--teal-50); }
.btn-ghost { border: 1.5px solid rgba(255,255,255,.45); color: #fff; }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.btn-primary { background: var(--teal-700); color: #fff; box-shadow: 0 14px 30px rgba(14,124,107,.35); }
.btn-primary:hover { background: var(--teal-800); }

/* Google Play badge */
.btn-play {
  display: inline-flex; align-items: center; gap: 12px;
  background: #0B1512; color: #fff !important;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 14px; padding: 10px 24px 10px 16px;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  text-align: left; line-height: 1.15;
}
.btn-play:hover {
  text-decoration: none; transform: translateY(-2px);
  background: #000; box-shadow: 0 16px 34px rgba(0,0,0,.32);
}
.btn-play svg { width: 30px; height: 30px; flex: 0 0 auto; }
.btn-play small { display: block; font-size: 10px; letter-spacing: 1.6px; opacity: .78; font-weight: 500; text-transform: uppercase; }
.btn-play b { display: block; font-size: 18px; font-weight: 600; }
.btn-play.on-light { border-color: transparent; box-shadow: 0 12px 28px rgba(0,0,0,.22); }

/* ───── Hero ───── */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(244,168,28,.22), transparent 60%),
    radial-gradient(700px 600px at -10% 110%, rgba(46,158,107,.35), transparent 55%),
    linear-gradient(135deg, var(--teal-700) 0%, var(--teal-800) 55%, var(--teal-900) 100%);
}
.hero::after {
  content: ''; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: radial-gradient(rgba(255,255,255,.13) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: linear-gradient(to bottom, transparent, black 30%, transparent 95%);
  -webkit-mask-image: linear-gradient(to bottom, transparent, black 30%, transparent 95%);
}
.hero-inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 30px;
  align-items: center; padding: 84px 0 96px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.13); border: 1px solid rgba(255,255,255,.22);
  border-radius: 999px; padding: 7px 16px; font-size: 13px; font-weight: 500;
  margin-bottom: 22px;
}
.hero .bn-title {
  font-size: 52px; line-height: 1.2;
  background: linear-gradient(100deg, #fff 30%, #ffd98a 85%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero h1 { font-size: 36px; line-height: 1.22; font-weight: 700; margin: 10px 0 18px; }
.hero p.lead { font-size: 16.5px; color: rgba(255,255,255,.85); max-width: 500px; margin-bottom: 30px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }
.hero-trust { display: flex; gap: 26px; flex-wrap: wrap; }
.hero-trust div { font-size: 13px; color: rgba(255,255,255,.75); }
.hero-trust b { display: block; font-size: 17px; color: #fff; font-weight: 700; }

/* Hero phone slider */
.hero-shots { position: relative; display: flex; justify-content: center; align-items: center; }
.shot-frame {
  border-radius: 30px; padding: 8px;
  background: linear-gradient(160deg, #22332e, #0c1613);
  box-shadow: 0 34px 70px rgba(0,0,0,.45), inset 0 1px 1px rgba(255,255,255,.14);
}
.shot-frame img { display: block; border-radius: 23px; width: 100%; height: auto; }
.hero-slider {
  width: 208px; position: relative;
  animation: floaty 7s ease-in-out infinite;
}
.hero-slider .slides { position: relative; border-radius: 23px; overflow: hidden; }
.hero-slider .slides img {
  position: absolute; inset: 0; opacity: 0; border-radius: 23px;
  transform: scale(1.04);
  transition: opacity .9s ease, transform .9s ease;
}
.hero-slider .slides img.active { position: relative; opacity: 1; transform: none; }
.hero-dots { display: flex; justify-content: center; gap: 7px; margin-top: 16px; }
.hero-dots span {
  width: 7px; height: 7px; border-radius: 999px; cursor: pointer;
  background: rgba(255,255,255,.35); transition: all .3s ease;
}
.hero-dots span.on { width: 20px; background: var(--amber-500); }
@keyframes floaty {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -12px; }
}

/* ───── Stats strip ───── */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
  margin: -44px auto 0; position: relative; z-index: 3;
}
.stat {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 18px; text-align: center;
  box-shadow: 0 18px 40px rgba(14,124,107,.10);
}
.stat b { display: block; font-size: 28px; font-weight: 700; color: var(--teal-700); }
.stat span { font-size: 13px; color: var(--slate); }

/* ───── Sections ───── */
section { padding: 84px 0; }
.section-label {
  display: inline-block;
  color: var(--teal-700); font-weight: 700; font-size: 12.5px;
  letter-spacing: 2.4px; text-transform: uppercase;
  background: var(--teal-50); border: 1px solid var(--teal-100);
  padding: 6px 14px; border-radius: 999px;
}
h2.section-title { font-size: 32px; font-weight: 700; margin: 16px 0 12px; letter-spacing: -.5px; }
p.section-sub { color: var(--slate); max-width: 640px; font-size: 15.5px; }

/* ───── Bento features ───── */
.bento {
  display: grid; gap: 18px; margin-top: 46px;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: minmax(150px, auto);
}
.b-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 24px;
  padding: 28px; position: relative; overflow: hidden;
  transition: transform .22s ease, box-shadow .22s ease;
}
.b-card:hover { transform: translateY(-5px); box-shadow: 0 22px 44px rgba(14,124,107,.12); }
.b-card .ico {
  width: 46px; height: 46px; border-radius: 14px; background: var(--teal-50);
  display: flex; align-items: center; justify-content: center; font-size: 22px;
  margin-bottom: 16px;
}
.b-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.b-card p { font-size: 14px; color: var(--slate); }
.b-wide { grid-column: span 4; }
.b-tall { grid-column: span 2; grid-row: span 2; padding-bottom: 0; }
.b-half { grid-column: span 3; }
.b-third { grid-column: span 2; }
.b-dark { background: linear-gradient(150deg, var(--teal-800), var(--teal-900)); border: none; color: #fff; }
.b-dark p { color: rgba(255,255,255,.8); }
.b-dark .ico { background: rgba(255,255,255,.12); }
.b-amber { background: linear-gradient(150deg, #FDF3DE, #FBEFD8); border-color: #F3E3BF; }
.b-tall .b-shot { margin: 22px -6px 0; border-radius: 18px 18px 0 0; overflow: hidden; box-shadow: 0 -10px 40px rgba(0,0,0,.12); }
.b-shot img { width: 100%; display: block; }
.big-num { font-size: 44px; font-weight: 700; color: var(--teal-700); line-height: 1; margin-bottom: 8px; }

/* ───── Gallery ───── */
.gallery-wrap { position: relative; margin-top: 46px; }
.gallery {
  display: flex; gap: 22px; overflow-x: auto; padding: 10px 4px 26px;
  scroll-snap-type: x mandatory; scrollbar-width: none;
}
.gallery::-webkit-scrollbar { display: none; }
.g-item { flex: 0 0 178px; scroll-snap-align: start; text-align: center; }
.g-frame {
  border-radius: 30px; padding: 8px;
  background: linear-gradient(160deg, #22332e, #0c1613);
  box-shadow: 0 24px 48px rgba(0,0,0,.22);
  transition: transform .22s ease;
}
.g-item:hover .g-frame { transform: translateY(-8px) scale(1.02); }
.g-frame img { display: block; width: 100%; border-radius: 23px; }
.g-item figcaption { margin-top: 14px; font-size: 13.5px; font-weight: 600; color: var(--slate); }
.g-nav {
  position: absolute; top: 40%; width: 44px; height: 44px; border-radius: 50%;
  background: #fff; border: 1px solid var(--line); cursor: pointer; font-size: 18px;
  color: var(--teal-700); box-shadow: 0 10px 24px rgba(0,0,0,.12); z-index: 5;
  display: flex; align-items: center; justify-content: center;
}
.g-nav:hover { background: var(--teal-50); }
.g-prev { left: -12px; }
.g-next { right: -12px; }

/* ───── Split deep-dive ───── */
.split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
  margin-top: 26px;
}
.split.flip .split-media { order: 2; }
.split-media { position: relative; display: flex; justify-content: center; }
.split-media::before {
  content: ''; position: absolute; inset: 8% -4% -2% -4%; z-index: 0;
  border-radius: 36px;
  background: radial-gradient(60% 60% at 50% 40%, var(--teal-100), transparent 75%);
}
.split-media .shot-frame { position: relative; width: 200px; }
.split h3 { font-size: 26px; font-weight: 700; margin: 14px 0 12px; letter-spacing: -.4px; }
.split p { color: var(--slate); font-size: 15px; margin-bottom: 18px; }
.checklist { list-style: none; }
.checklist li {
  padding-left: 34px; position: relative; margin-bottom: 12px;
  color: var(--ink); font-size: 14.5px; font-weight: 500;
}
.checklist li::before {
  content: '✓'; position: absolute; left: 0; top: 0;
  width: 22px; height: 22px; border-radius: 50%; font-size: 13px;
  background: var(--teal-100); color: var(--teal-800); font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}

/* ───── Download band ───── */
.band {
  position: relative; overflow: hidden;
  background:
    radial-gradient(500px 300px at 90% 0%, rgba(244,168,28,.25), transparent 60%),
    linear-gradient(135deg, var(--teal-700), var(--teal-900));
  border-radius: 30px; color: #fff; padding: 58px 54px;
  display: flex; align-items: center; justify-content: space-between; gap: 30px;
  flex-wrap: wrap;
}
.band h2 { font-size: 30px; font-weight: 700; margin-bottom: 8px; letter-spacing: -.4px; }
.band p { color: rgba(255,255,255,.85); }
.band .bn { font-size: 20px; opacity: .9; }

/* ───── Reveal animations ───── */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }

/* ───── Legal / content pages ───── */
.page { max-width: 780px; margin: 0 auto; padding: 56px 24px 80px; }
.page h1 { font-size: 32px; font-weight: 700; margin-bottom: 6px; }
.page .updated { color: var(--mist); font-size: 13.5px; margin-bottom: 34px; }
.page h2 { font-size: 20px; font-weight: 600; margin: 34px 0 10px; }
.page p, .page li { color: var(--slate); font-size: 15px; }
.page ul { padding-left: 22px; margin: 10px 0; }
.page .note {
  background: var(--teal-50); border: 1px solid var(--teal-100);
  border-radius: 14px; padding: 18px 20px; margin: 22px 0; color: var(--teal-800);
  font-size: 14.5px;
}

/* Policy extras */
.page .toc {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 18px 22px; margin: 26px 0; font-size: 14px;
}
.page .toc b { display: block; margin-bottom: 8px; color: var(--ink); }
.page .toc a { display: inline-block; margin: 3px 14px 3px 0; color: var(--teal-700); }
.page table {
  width: 100%; border-collapse: collapse; margin: 16px 0 8px; font-size: 13.5px;
}
.page table th, .page table td {
  border: 1px solid var(--line); padding: 10px 12px; text-align: left;
  color: var(--slate); vertical-align: top;
}
.page table th { background: var(--teal-50); color: var(--teal-800); font-weight: 600; }
.page .yes { color: var(--mint-600); font-weight: 700; }
.page .no { color: var(--slate); font-weight: 700; }
.table-scroll { overflow-x: auto; }

/* ───── Contact ───── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 36px; }
.contact-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; text-align: center;
}
.contact-card .ico { font-size: 30px; margin-bottom: 12px; }
.contact-card h3 { font-size: 16px; margin-bottom: 6px; }
.contact-card p { font-size: 14px; color: var(--slate); }

/* ───── Footer ───── */
footer { border-top: 1px solid var(--line); background: var(--card); padding: 40px 0; }
.foot { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 18px; }
.foot-links { display: flex; gap: 22px; flex-wrap: wrap; }
.foot-links a { color: var(--slate); font-size: 13.5px; }
.foot small { color: var(--mist); font-size: 12.5px; }

/* ───── Responsive ───── */
@media (max-width: 920px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; padding: 60px 0 74px; }
  .hero p.lead { margin: 0 auto 28px; }
  .hero-cta, .hero-trust { justify-content: center; }
  .hero-shots { display: none; }
  .hero .bn-title { font-size: 38px; }
  .hero h1 { font-size: 27px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .bento { grid-template-columns: 1fr; }
  .b-wide, .b-tall, .b-half, .b-third { grid-column: span 1; }
  .split, .split.flip { grid-template-columns: 1fr; gap: 34px; }
  .split.flip .split-media { order: 0; }
  .nav-links a:not(.nav-cta) { display: none; }
  .band { padding: 40px 28px; }
  .contact-grid { grid-template-columns: 1fr; }
  .g-nav { display: none; }
}