:root {
  --teal: #0d9488;
  --teal-2: #0f766e;
  --teal-soft: #ccfbf1;
  --amber: #d97706;
  --amber-2: #b45309;
  --amber-soft: #fef3c7;
  --rose: #dc2626;
  --cream: #fffbeb;
  --ink: #0f172a;
  --ink-2: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --surface: #ffffff;
  --bg: #fafaf5;
  --maxw: 1140px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Hind Siliguri", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ====== Buttons ====== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 14.5px;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-lg { padding: 14px 26px; font-size: 16px; }
.btn-primary {
  background: linear-gradient(135deg, var(--teal), var(--teal-2));
  color: #fff;
  box-shadow: 0 4px 14px rgba(13, 148, 136, .35);
}
.btn-primary:hover { box-shadow: 0 6px 20px rgba(13, 148, 136, .45); }
.btn-ghost {
  background: #fff;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--teal); color: var(--teal-2); }
.btn-amber {
  background: linear-gradient(135deg, #f59e0b, var(--amber-2));
  color: #fff;
  box-shadow: 0 4px 14px rgba(217, 119, 6, .35);
}

/* ====== Nav ====== */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto;
  display: flex; align-items: center; gap: 24px;
  padding: 12px 20px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 38px; height: 38px;
  border-radius: 10px;
  display: block;
  box-shadow: 0 4px 12px rgba(13, 148, 136, .25);
}
.brand-text { display: flex; flex-direction: column; }
.brand-name { font-weight: 800; font-size: 17px; color: var(--ink); letter-spacing: .02em; }
.brand-tag { font-size: 11.5px; color: var(--muted); line-height: 1; }
.nav-links { display: flex; gap: 22px; flex: 1; }
.nav-links a {
  color: var(--ink-2);
  font-weight: 500;
  font-size: 14.5px;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color .15s, border-color .15s;
}
.nav-links a:hover { color: var(--teal); border-bottom-color: var(--teal); }
.nav-cta { display: flex; align-items: center; gap: 8px; }
.lang-switch {
  display: flex; align-items: center; gap: 2px;
  background: var(--line);
  border-radius: 999px;
  padding: 3px;
}
.lang-switch .lang-opt {
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--muted);
  transition: background .15s, color .15s;
}
.lang-switch .lang-opt.is-active {
  background: #fff;
  color: var(--teal-2);
  box-shadow: 0 1px 3px rgba(0,0,0,.10);
}
.lang-switch .lang-opt:not(.is-active):hover { color: var(--ink-2); }
@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-cta { margin-left: auto; }
  .nav-cta .btn-ghost { display: none; }
  .brand-tag { display: none; }
}

/* ====== Hero ====== */
.hero {
  position: relative;
  padding: 70px 20px 90px;
  background:
    radial-gradient(circle at 10% 20%, rgba(13,148,136,.10), transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(217,119,6,.10), transparent 40%),
    linear-gradient(180deg, var(--cream), var(--bg));
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  opacity: .35;
  color: var(--teal);
  pointer-events: none;
}
.alpana {
  width: clamp(540px, 80%, 900px);
  animation: spin 120s linear infinite;
}
@keyframes spin { from { transform: rotate(0); } to { transform: rotate(360deg); } }

.hero-inner {
  position: relative; z-index: 2;
  max-width: var(--maxw); margin: 0 auto;
  display: grid; gap: 16px;
  text-align: center;
}
.hero-pill {
  display: inline-block;
  background: var(--amber-soft);
  color: var(--amber-2);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  margin: 0 auto;
}
.hero h1 {
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -.01em;
  margin: 4px 0;
}
.hero h1 .strike { color: var(--rose); text-decoration: line-through; text-decoration-thickness: 4px; }
.hero-accent {
  background: linear-gradient(135deg, var(--teal), var(--amber));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--ink-2);
  max-width: 640px;
  margin: 6px auto 0;
}
.hero-tagline {
  font-family: "Tiro Bangla", "Hind Siliguri", serif;
  font-style: italic;
  font-size: 16px;
  color: var(--amber-2);
  margin-top: 14px;
}
.hero-tagline strong { color: var(--teal-2); font-style: normal; font-weight: 700; }
.hero-cta {
  display: flex; gap: 12px; justify-content: center;
  margin-top: 22px;
  flex-wrap: wrap;
}
.hero-trust {
  display: flex; gap: 22px; justify-content: center;
  margin-top: 16px;
  color: var(--muted);
  font-size: 13.5px;
  flex-wrap: wrap;
}

/* ====== Hero mock ====== */
.hero-mock {
  position: relative; z-index: 2;
  max-width: 760px;
  margin: 50px auto 0;
}
.mock-window {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, .25), 0 0 0 1px rgba(255,255,255,.5) inset;
  overflow: hidden;
}
.mock-bar {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 14px;
  background: #f8fafc;
  border-bottom: 1px solid var(--line);
}
.mock-bar .dot { width: 11px; height: 11px; border-radius: 50%; }
.dot.red { background: #ef4444; } .dot.amber { background: #f59e0b; } .dot.green { background: #10b981; }
.mock-url {
  margin-left: 8px; font-size: 12px; color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.mock-body { padding: 22px 24px; }
.mock-row {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
  margin-bottom: 18px;
}
.mock-stat {
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
}
.mock-stat small {
  display: block; font-size: 11px; text-transform: uppercase;
  color: var(--muted); font-weight: 600; letter-spacing: .04em;
}
.mock-stat strong { display: block; font-size: 22px; font-weight: 700; margin: 4px 0; }
.mock-stat strong.teal { color: var(--teal-2); }
.mock-stat .up { font-size: 12px; color: #10b981; font-weight: 600; }
.mock-stat .muted { font-size: 12px; color: var(--muted); }
.mock-chart svg { width: 100%; height: 100px; margin-bottom: 16px; }
.mock-list { display: flex; flex-direction: column; gap: 8px; }
.mock-li {
  display: grid; grid-template-columns: 1fr auto auto; gap: 10px;
  align-items: center;
  padding: 8px 12px;
  background: #f8fafc;
  border-radius: 8px;
  font-size: 13.5px;
}
.mock-li .qty { color: var(--muted); font-size: 12px; }
.mock-li .amt { font-weight: 600; color: var(--ink); }
.mock-badge {
  position: absolute; top: -12px; right: 14px;
  background: var(--teal);
  color: #fff;
  font-size: 12px; font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(13, 148, 136, .4);
  animation: pulse 2.5s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.05); } }

/* ====== Mock target bar ====== */
.mock-target {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  margin-bottom: 16px;
  background: var(--amber-soft);
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--amber-2);
}
.mock-target .target-bar {
  flex: 1;
  height: 8px;
  border-radius: 999px;
  background: rgba(180, 83, 9, .15);
  overflow: hidden;
}
.mock-target .target-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--amber), var(--teal));
}
.mock-target strong { color: var(--teal-2); font-size: 13px; }

/* ====== Divider ====== */
.divider { color: var(--cream); line-height: 0; margin-top: -1px; }
.divider svg { width: 100%; height: 60px; }
.divider-teal { color: var(--bg); }

/* ====== What's new strip ====== */
.whatsnew { background: var(--surface); border-bottom: 1px solid var(--line); padding: 14px 0; }
.whatsnew-inner {
  display: flex; align-items: center; gap: 14px;
  flex-wrap: nowrap;
  overflow-x: auto;
  -ms-overflow-style: none; scrollbar-width: none;
}
.whatsnew-inner::-webkit-scrollbar { display: none; }
.whatsnew-tag {
  flex-shrink: 0;
  font-size: 12.5px; font-weight: 700;
  color: var(--teal-2);
  background: var(--teal-soft);
  padding: 6px 12px;
  border-radius: 999px;
}
.whatsnew-chips { display: flex; gap: 8px; flex-wrap: nowrap; }
.whatsnew-chips span {
  flex-shrink: 0;
  font-size: 13px; font-weight: 500;
  color: var(--ink-2);
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: 999px;
  white-space: nowrap;
}

/* ====== Sections ====== */
.section-head { text-align: center; margin-bottom: 50px; }
.eyebrow {
  display: inline-block;
  background: var(--teal-soft);
  color: var(--teal-2);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.eyebrow-amber { background: var(--amber-soft); color: var(--amber-2); }
.section-head h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.01em;
  margin-bottom: 10px;
}
.section-head .lead {
  font-size: 17px;
  color: var(--ink-2);
  max-width: 560px;
  margin: 0 auto;
}

/* ====== Features ====== */
.features { padding: 80px 0; background: var(--bg); }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(15, 23, 42, .08);
  border-color: var(--teal-soft);
}
.feature-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: grid; place-items: center;
  font-size: 22px;
  margin-bottom: 14px;
}
.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--ink);
}
.feature-card p { color: var(--ink-2); font-size: 14.5px; line-height: 1.6; }

/* ====== Business-type links ====== */
.bizlinks { padding: 50px 0; background: var(--surface); }
.bizlinks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.bizlink-card {
  display: flex; flex-direction: column; gap: 4px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.bizlink-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 24px rgba(15, 23, 42, .08);
  border-color: var(--teal-soft);
}
.bizlink-icon { font-size: 26px; margin-bottom: 6px; }
.bizlink-card strong { font-size: 15.5px; color: var(--ink); }
.bizlink-card small { color: var(--muted); font-size: 13px; }

/* ====== Why ====== */
.why { padding: 80px 0; background: linear-gradient(180deg, var(--bg), var(--cream)); }
.why-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 50px;
  align-items: start;
}
.why-grid h2 {
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 800;
  line-height: 1.2;
  margin: 12px 0 24px;
}
.why-list { list-style: none; display: grid; gap: 14px; }
.why-list li {
  display: flex; gap: 14px;
  align-items: flex-start;
  background: rgba(255,255,255,.55);
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
}
.why-list li span {
  flex-shrink: 0;
  width: 36px; height: 36px;
  background: var(--teal-soft);
  color: var(--teal-2);
  border-radius: 10px;
  display: grid; place-items: center;
  font-size: 18px;
  font-weight: 700;
}
.why-list li div { font-size: 14.5px; color: var(--ink-2); }
.why-list li strong { color: var(--ink); font-weight: 700; }

.why-card {
  background: var(--surface);
  border-radius: 18px;
  padding: 28px;
  border: 1px solid var(--line);
  box-shadow: 0 18px 40px rgba(15, 23, 42, .08);
  position: relative;
  overflow: hidden;
}
.why-card::before {
  content: "";
  position: absolute; top: -30px; right: -30px;
  width: 140px; height: 140px;
  background: radial-gradient(circle, var(--amber-soft), transparent 70%);
}
.why-quote { position: relative; z-index: 1; }
.bn-quote {
  font-family: "Tiro Bangla", "Hind Siliguri", serif;
  font-size: 18px; line-height: 1.7;
  color: var(--ink);
  font-style: italic;
  position: relative;
  padding-left: 18px;
  border-left: 4px solid var(--amber);
}
.why-quote footer { margin-top: 16px; }
.why-quote footer strong { display: block; font-weight: 700; }
.why-quote footer small { color: var(--muted); }

.why-stat-row {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px dashed var(--line);
  text-align: center;
}
.why-stat-row strong { display: block; font-size: 24px; font-weight: 800; color: var(--teal-2); }
.why-stat-row small { color: var(--muted); font-size: 12.5px; }

@media (max-width: 800px) {
  .why-grid { grid-template-columns: 1fr; gap: 30px; }
}

/* ====== Pricing ====== */
.pricing { padding: 80px 0; background: var(--surface); }
.price-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  max-width: 920px;
  margin: 0 auto;
}
.price-card {
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-radius: 16px;
  padding: 28px;
  text-align: center;
  position: relative;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.price-card:hover { transform: translateY(-4px); }
.price-card.featured {
  border-color: var(--teal);
  box-shadow: 0 18px 40px rgba(13, 148, 136, .15);
  transform: scale(1.03);
}
.featured-tag {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--teal), var(--teal-2));
  color: #fff;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .04em;
  padding: 4px 12px;
  border-radius: 999px;
}
.price-card h3 { font-size: 16px; font-weight: 700; color: var(--muted); letter-spacing: .04em; text-transform: uppercase; }
.price-amt { font-size: 36px; font-weight: 800; margin: 10px 0 14px; color: var(--ink); }
.price-amt small { font-size: 14px; color: var(--muted); font-weight: 500; }
.price-amt .bdt { color: var(--teal); font-size: 22px; margin-right: 4px; vertical-align: 4px; }
.price-was {
  margin-top: 10px;
  font-size: 14px;
  color: var(--muted);
  text-decoration: line-through;
}
.discount-badge {
  display: inline-block;
  background: var(--rose);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  text-decoration: none;
  margin-left: 4px;
  vertical-align: 1px;
}
.price-amt + .price-limited {
  margin-top: -10px;
}
.price-limited {
  font-size: 12.5px;
  color: var(--amber-2);
  font-weight: 600;
  margin-bottom: 12px;
}
.price-card ul { list-style: none; text-align: left; margin: 16px 0 20px; }
.price-card li {
  padding: 6px 0 6px 26px;
  position: relative;
  font-size: 14.5px;
  color: var(--ink-2);
}
.price-card li::before {
  content: "✓";
  position: absolute; left: 0;
  color: var(--teal);
  font-weight: 700;
}
.price-foot {
  text-align: center;
  margin-top: 24px;
  color: var(--muted);
  font-size: 13.5px;
}

/* ====== Comparison table ====== */
.compare-wrap {
  overflow-x: auto;
  max-width: 820px;
  margin: 0 auto;
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
  font-size: 14px;
}
.compare-table th, .compare-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.compare-table thead th {
  font-size: 13px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  font-weight: 700;
}
.compare-table th.highlight {
  color: var(--teal-2);
}
.compare-table td.highlight {
  background: var(--teal-soft);
  font-weight: 500;
  color: var(--ink);
}
.compare-table tbody td:first-child {
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
}

/* ====== Festive ====== */
.festive {
  padding: 38px 0;
  background:
    repeating-linear-gradient(45deg, transparent 0 16px, rgba(255,255,255,.03) 16px 32px),
    linear-gradient(135deg, var(--amber), #f59e0b);
  color: #fff;
}
.festive-inner {
  display: flex; align-items: center; gap: 20px;
  flex-wrap: wrap; justify-content: center; text-align: center;
}
.festive-icon { font-size: 38px; }
.festive h3 { font-size: 19px; font-weight: 700; }
.festive p { font-size: 14.5px; opacity: .95; }
.festive code {
  background: rgba(0,0,0,.18);
  padding: 2px 8px;
  border-radius: 6px;
  font-weight: 700;
  letter-spacing: .04em;
}
.festive .btn-amber { background: #fff; color: var(--amber-2); box-shadow: none; }

/* ====== FAQ ====== */
.faq { padding: 80px 0; background: var(--bg); }
.faq details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 10px;
  max-width: 760px;
  margin-left: auto; margin-right: auto;
  transition: border-color .15s ease;
}
.faq details[open] { border-color: var(--teal-soft); }
.faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 15.5px;
  list-style: none;
  position: relative;
  padding-right: 28px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute; right: 0; top: 0;
  font-size: 22px;
  color: var(--teal);
  line-height: 1;
  transition: transform .2s ease;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { margin-top: 10px; color: var(--ink-2); font-size: 14.5px; }

/* ====== CTA ====== */
.cta {
  padding: 90px 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(217,119,6,.15), transparent 40%),
    radial-gradient(circle at 20% 80%, rgba(13,148,136,.15), transparent 40%),
    var(--ink);
  color: #fff;
  text-align: center;
}
.cta h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; line-height: 1.2; margin-bottom: 10px; }
.cta p { color: rgba(255,255,255,.75); margin-bottom: 30px; }
.cta-form {
  display: flex; gap: 8px; justify-content: center; flex-wrap: wrap;
  max-width: 620px; margin: 0 auto;
}
.cta-form input {
  flex: 1 1 220px;
  padding: 14px 18px;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 10px;
  background: rgba(255,255,255,.08);
  color: #fff;
  font-size: 15px;
  font-family: inherit;
}
.cta-form input::placeholder { color: rgba(255,255,255,.5); }
.cta-form input:focus { outline: 2px solid var(--teal); }
.cta-foot { margin-top: 22px; font-size: 14px; color: rgba(255,255,255,.6); }
.cta-foot a { color: #fff; font-weight: 600; }

/* ====== Footer ====== */
.foot { background: #0a0f1c; color: #cbd5e1; padding: 60px 0 20px; }
.foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 30px;
}
.foot .brand-mark { width: 32px; height: 32px; border-radius: 8px; box-shadow: none; }
.foot .brand-name { color: #fff; }
.foot-tag { margin-top: 12px; font-size: 13.5px; color: #94a3b8; max-width: 280px; }
.foot h4 { color: #fff; font-size: 13.5px; margin-bottom: 12px; text-transform: uppercase; letter-spacing: .06em; }
.foot a { display: block; padding: 4px 0; font-size: 14px; color: #cbd5e1; transition: color .15s; }
.foot a:hover { color: var(--teal); }
.foot-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid #1e293b;
  text-align: center;
  font-size: 13px;
  color: #64748b;
}
@media (max-width: 720px) {
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
}