:root {
  --green: #0e3d30;
  --green-2: #16503f;
  --gold: #c49a50;
  --gold-soft: #f6efe1;
  --bg: #faf8f3;
  --card: #ffffff;
  --text: #1d2a25;
  --muted: #5b6b64;
  --line: #e6e1d6;
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
html[lang="bn"] body { font-family: "Hind Siliguri", "Inter", system-ui, sans-serif; line-height: 1.75; font-size: 17px; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 12px; }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); color: var(--green); }
h3 { font-size: 1.1rem; color: var(--green); }
p { margin: 0 0 12px; }
a { color: inherit; }
.sub { color: var(--muted); font-size: 1.08rem; max-width: 60ch; margin-bottom: 32px; }

/* Top bar */
.topbar { position: sticky; top: 0; z-index: 10; background: var(--green); color: #fff; }
.topbar-inner { display: flex; align-items: center; gap: 24px; min-height: 64px; }
.brand { display: flex; flex-direction: column; text-decoration: none; line-height: 1.1; margin-right: auto; }
.brand-name { font-family: "Inter", sans-serif; font-weight: 800; letter-spacing: .08em; font-size: 1.25rem; }
.brand-tag { font-size: .68rem; letter-spacing: .2em; text-transform: uppercase; color: var(--gold); }
html[lang="bn"] .brand-tag { letter-spacing: .04em; font-size: .78rem; }
.nav { display: flex; gap: 22px; }
.nav a { text-decoration: none; opacity: .85; font-size: .95rem; }
.nav a:hover { opacity: 1; color: var(--gold); }
.lang { display: flex; border: 1px solid rgba(255,255,255,.35); border-radius: 999px; overflow: hidden; flex-shrink: 0; }
.lang button {
  font: inherit; font-size: .85rem; font-weight: 600; color: #fff; background: transparent;
  border: 0; padding: 6px 14px; cursor: pointer;
}
.lang button[aria-pressed="true"] { background: var(--gold); color: var(--green); }

/* Buttons */
.btn {
  display: inline-block; padding: 13px 24px; border-radius: 999px; font-weight: 600; font-size: 1rem;
  text-decoration: none; border: 2px solid transparent; cursor: pointer; font-family: inherit; text-align: center;
}
.btn-gold { background: var(--gold); color: var(--green); }
.btn-gold:hover { background: #d4ad66; }
.btn-ghost { border-color: rgba(255,255,255,.5); color: #fff; }
.btn-ghost:hover { border-color: #fff; }
.btn-green { background: var(--green); color: #fff; }
.btn-green:hover { background: var(--green-2); }

/* Hero */
.hero { background: var(--green); color: #fff; padding: 64px 0 80px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 48px; align-items: center; }
.badge {
  display: inline-block; background: rgba(196,154,80,.18); color: var(--gold); border: 1px solid rgba(196,154,80,.5);
  border-radius: 999px; padding: 4px 14px; font-size: .85rem; font-weight: 600;
}
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.5rem); font-weight: 800; margin-top: 16px; }
.lead { font-size: 1.15rem; max-width: 58ch; opacity: .92; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 24px; }
.ticks { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: .95rem; opacity: .9; }
.ticks li::before { content: "✓ "; color: var(--gold); font-weight: 700; }

/* Phone mock */
.phone {
  background: #fff; color: var(--text); border-radius: 28px; padding: 20px; max-width: 360px; justify-self: center; width: 100%;
  box-shadow: 0 24px 60px rgba(0,0,0,.35); border: 8px solid #0a2c23;
}
.phone-head { display: flex; justify-content: space-between; align-items: center; font-weight: 700; color: var(--green); margin-bottom: 14px; }
.pill { font-size: .72rem; font-weight: 600; background: var(--gold-soft); color: #8a6a2c; padding: 2px 10px; border-radius: 999px; }
.note { display: flex; gap: 10px; background: var(--gold-soft); border-radius: 12px; padding: 12px; margin-bottom: 16px; }
.note strong { display: block; color: var(--green); font-size: .95rem; }
.note span { font-size: .85rem; color: var(--muted); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: #2e9b62; margin-top: 6px; flex-shrink: 0; }
.timeline { list-style: none; margin: 0; padding: 0 0 0 18px; border-left: 2px solid var(--line); }
.timeline li { position: relative; padding: 0 0 14px 12px; font-size: .88rem; }
.timeline li::before {
  content: ""; position: absolute; left: -25px; top: 5px; width: 12px; height: 12px; border-radius: 50%;
  background: #fff; border: 2px solid var(--line);
}
.timeline li.done::before { background: var(--green); border-color: var(--green); }
.timeline li.now::before { background: var(--gold); border-color: var(--gold); }
.timeline b { display: block; color: var(--green); }
.timeline span { color: var(--muted); }

/* Sections */
.section { padding: 76px 0; }
.section.alt { background: var(--gold-soft); }
.section.dark { background: var(--green); color: #fff; }
.section.dark h2 { color: #fff; }
.section.dark .sub { color: rgba(255,255,255,.8); }
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); gap: 28px 40px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.card p { color: var(--muted); margin: 0; }
.dark .card { background: var(--green-2); border-color: rgba(255,255,255,.12); }
.dark .card h3 { color: var(--gold); }
.dark .card p { color: rgba(255,255,255,.85); }
.icon { font-size: 1.8rem; margin-bottom: 10px; }

.two { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 28px; }
.card.big { padding: 30px; display: flex; flex-direction: column; }
.card.big h3 { font-size: 1.35rem; }
.good { margin-top: auto !important; padding-top: 16px; color: var(--green) !important; font-weight: 600; }
.steps-list { margin: 12px 0 0; padding-left: 22px; color: var(--muted); }
.steps-list li { margin-bottom: 4px; }
.inc { margin: 8px 0 0 !important; font-weight: 600; color: var(--text) !important; }
.inc-list { list-style: "✓  "; }
.inc-list li::marker { color: var(--gold); }

.flow { list-style: none; margin: 28px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; }
.flow li {
  counter-increment: step; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; gap: 6px;
}
.flow li::before {
  content: counter(step); width: 38px; height: 38px; border-radius: 50%; background: var(--green); color: var(--gold);
  display: grid; place-items: center; font-weight: 800; margin-bottom: 6px;
}
.flow strong { color: var(--green); font-size: 1.1rem; }
.flow span { color: var(--muted); }

.row-item { display: flex; gap: 16px; }
.row-item p { color: var(--muted); margin: 0; }
.check {
  flex-shrink: 0; width: 34px; height: 34px; border-radius: 50%; background: var(--gold-soft); color: var(--green);
  display: grid; place-items: center; font-weight: 800;
}
.section:not(.alt):not(.dark) + .section:not(.alt):not(.dark) { border-top: 1px solid var(--line); }

.agent { display: flex; justify-content: space-between; align-items: center; gap: 32px; }
.agent p { color: var(--muted); max-width: 60ch; margin: 0; }

details { border-bottom: 1px solid var(--line); padding: 18px 0; }
details:first-of-type { margin-top: 20px; border-top: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 600; color: var(--green); font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--gold); font-size: 1.4rem; line-height: 1; }
details[open] summary::after { content: "−"; }
details p { color: var(--muted); margin: 10px 0 0; }

/* Form */
.notify { background: var(--gold-soft); }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.form label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: .95rem; color: var(--green); }
.form input, .form select {
  font: inherit; font-weight: 400; color: var(--text); padding: 12px 14px; border: 1px solid #cfc8b8; border-radius: 10px; background: #fff; width: 100%;
}
.form input:focus, .form select:focus { outline: 2px solid var(--gold); border-color: var(--gold); }
.form .btn { grid-column: 1 / -1; justify-self: start; }
.fine { grid-column: 1 / -1; color: var(--muted); font-size: .88rem; margin: 0; }
.hp { position: absolute; left: -9999px; }

.thanks { text-align: center; min-height: 60vh; }
.thanks .sub { margin-left: auto; margin-right: auto; }
.big-check { width: 72px; height: 72px; border-radius: 50%; background: var(--green); color: var(--gold); font-size: 2rem; display: grid; place-items: center; margin: 0 auto 20px; }

.footer { background: var(--green); color: #fff; padding: 32px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer p { margin: 4px 0 0; opacity: .85; }
.footer .muted { opacity: .7; font-size: .9rem; }

/* Responsive */
@media (max-width: 1000px) {
  .nav { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
  .grid-4, .flow { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .hero { padding: 44px 0 56px; }
  .section { padding: 56px 0; }
  .grid-2, .grid-3, .grid-4, .two, .flow, .form { grid-template-columns: 1fr; }
  .agent { flex-direction: column; align-items: flex-start; }
  .cta-row .btn, .form .btn { width: 100%; }
  .form { padding: 20px; }
}
@media (max-width: 420px) {
  .wrap { padding: 0 16px; }
}