:root {
  --blue: #0a4fa8;
  --blue-dark: #083a7c;
  --navy: #061d42;
  --sky: #3a94c8;
  --sky-soft: #eef6fc;
  --orange: #f26a1b;
  --green: #1fa463;
  --ink: #0f1e36;
  --muted: #5b6b82;
  --line: #e2eaf3;
  --bg: #f7fafd;
  --radius: 18px;
  --shadow: 0 1px 2px rgba(15, 30, 54, .04), 0 8px 24px rgba(15, 30, 54, .06);
  --shadow-lg: 0 2px 4px rgba(15, 30, 54, .04), 0 20px 44px rgba(10, 79, 168, .14);
  --grad: linear-gradient(135deg, #061d42 0%, #0a4fa8 55%, #2a8fd0 100%);
  --display: "Outfit", "Hind Siliguri", "Noto Sans Bengali", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Hind Siliguri", "Noto Sans Bengali", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--blue); }

h1, h2, h3 { font-family: var(--display); line-height: 1.25; margin: 0 0 .5em; text-wrap: balance; letter-spacing: -.01em; }
h1 { font-size: clamp(1.9rem, 5vw, 3rem); font-weight: 700; }
h2 { font-size: clamp(1.45rem, 3.4vw, 2rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 600; }
p { margin: 0 0 1em; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, .82);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .25s ease, border-color .25s ease;
}
.site-header.scrolled { border-bottom-color: var(--line); box-shadow: 0 6px 24px rgba(15, 30, 54, .07); }
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 8px;
  padding-bottom: 8px;
}
.brand img { height: 56px; width: auto; mix-blend-mode: multiply; }
.nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; font-family: var(--display); }
.nav a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 999px;
  transition: background-color .2s ease, color .2s ease;
}
.nav a:hover { background: var(--sky-soft); }
.nav a[aria-current="page"] { color: var(--blue); background: var(--sky-soft); font-weight: 600; }
.nav a.lang { border: 1.5px solid #c9dcee; padding: 6px 14px; margin-left: 6px; font-weight: 600; color: var(--blue); }
.nav a.lang:hover { border-color: var(--blue); }
.nav a.btn { margin-left: 6px; padding: 9px 18px; }
.nav a.btn, .nav a.btn:hover { color: #fff; background: var(--blue); }

/* Mobile menu button (shown only when the script is running) */
.menu-btn { display: none; width: 44px; height: 44px; padding: 0; border: 1.5px solid #c9dcee; border-radius: 12px; background: #fff; cursor: pointer; place-items: center; align-content: center; gap: 5px; }
.menu-btn span { display: block; width: 20px; height: 2px; border-radius: 2px; background: var(--blue); transition: transform .2s ease, opacity .2s ease; }
.menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Notice bar (set from the admin panel) */
.notice { background: var(--orange); color: #fff; font-weight: 500; font-size: .95rem; text-align: center; padding: 8px 0; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1rem;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1.5px solid var(--blue);
  background: var(--blue);
  color: #fff;
  transition: background-color .2s ease, border-color .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn:hover { background: var(--blue-dark); border-color: var(--blue-dark); transform: translateY(-2px); box-shadow: 0 10px 22px rgba(10, 79, 168, .26); }
.btn:active { transform: translateY(0); box-shadow: none; }
.btn-outline { background: #fff; color: var(--blue); border-color: #c9dcee; }
.btn-outline:hover { background: var(--sky-soft); color: var(--blue); border-color: var(--blue); box-shadow: none; }
.btn-wa { background: var(--green); border-color: var(--green); }
.btn-wa:hover { background: #178650; border-color: #178650; box-shadow: 0 10px 22px rgba(31, 164, 99, .3); }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; }

/* Sections */
section { padding: 64px 0; }
.section-alt { background: #fff; border-block: 1px solid var(--line); }
.section-head { margin-bottom: 28px; }
.section-head p { color: var(--muted); margin: 0; }
.eyebrow {
  display: inline-block;
  font-family: var(--display);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 8px;
}

/* Hero */
.hero, .page-head {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: var(--grad);
}
.hero { padding: 72px 0 112px; }
.page-head { padding: 56px 0 52px; }
/* dotted grid texture */
.hero .wrap::before, .page-head .wrap::before {
  content: "";
  position: absolute;
  inset: -200px -50vw;
  background-image: radial-gradient(rgba(255, 255, 255, .13) 1px, transparent 1px);
  background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 85%);
  mask-image: linear-gradient(180deg, #000, transparent 85%);
  pointer-events: none;
  z-index: -1;
}
.hero::before, .hero::after, .page-head::before {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  pointer-events: none;
  animation: drift 14s ease-in-out infinite alternate;
}
.hero::before, .page-head::before { width: 420px; height: 420px; background: #45b4f0; opacity: .45; top: -160px; right: -80px; }
.hero::after { width: 320px; height: 320px; background: var(--orange); opacity: .28; bottom: -180px; left: -100px; animation-duration: 18s; animation-direction: alternate-reverse; }
.hero .wrap, .page-head .wrap { position: relative; z-index: 1; }
.hero .wrap { display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: center; }
.hero h1 em { font-style: normal; color: #ffb27d; }
.hero .tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--display);
  font-size: .88rem;
  font-weight: 500;
  color: #fff;
  padding: 6px 14px;
  margin-bottom: 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .22);
}
.hero .tag::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #ff9a55;
  animation: pulse 2s ease-out infinite;
}
.hero p.lead { font-size: 1.12rem; color: rgba(255, 255, 255, .82); max-width: 34em; margin-bottom: 1.5em; }
.page-head p { color: rgba(255, 255, 255, .82); margin: 0; max-width: 44em; }
.hero .btn { background: #fff; border-color: #fff; color: var(--blue); }
.hero .btn:hover { background: #fff; border-color: #fff; box-shadow: 0 12px 28px rgba(0, 0, 0, .25); }
.hero .btn-outline { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .4); color: #fff; }
.hero .btn-outline:hover { background: rgba(255, 255, 255, .18); border-color: #fff; color: #fff; box-shadow: none; }
.hero-logo {
  background: #fff;
  border-radius: 28px;
  padding: 20px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, .3);
  animation: float 6s ease-in-out infinite;
}

/* Stats strip overlapping the hero */
.stats { padding: 0; margin-top: -56px; position: relative; z-index: 2; }
.stats .wrap > div {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.stat { padding: 22px 20px; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; }
.stat b { display: block; font-family: var(--display); font-size: 1.45rem; font-weight: 700; color: var(--blue); line-height: 1.2; }
.stat span { font-size: .92rem; color: var(--muted); }

/* Grids & cards */
.grid { display: grid; gap: 18px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); gap: 28px; align-items: start; }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: #c8dcef; }
.card p { color: var(--muted); }
.card p:last-child { margin-bottom: 0; }

/* Package cards */
.plan { position: relative; display: flex; flex-direction: column; overflow: hidden; }
.plan::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue), var(--sky));
  transition: background .25s ease;
}
.plan:hover::before { background: linear-gradient(90deg, var(--orange), #ffb27d); }
.plan h3 {
  align-self: flex-start;
  font-size: .9rem;
  font-weight: 600;
  color: var(--blue);
  background: var(--sky-soft);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.plan .price { font-family: var(--display); font-size: 2.3rem; font-weight: 700; color: var(--ink); line-height: 1.1; letter-spacing: -.02em; }
.plan .price small { font-size: .95rem; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.plan ul { list-style: none; padding: 0; margin: 18px 0 22px; flex: 1; }
.plan li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  font-size: .96rem;
  color: var(--muted);
}
.plan li:last-child { border-bottom: 0; }
.plan li span:last-child { font-weight: 600; color: var(--ink); white-space: nowrap; }
.plan .btn { width: 100%; }

/* Forms */
.grid-form { grid-template-columns: 1.5fr 1fr; gap: 28px; align-items: start; }
.form { display: grid; gap: 16px; }
.field { display: grid; gap: 6px; }
.field label { font-weight: 600; font-size: .95rem; }
.field input, .field select, .field textarea {
  width: 100%;
  font: inherit;
  color: var(--ink);
  padding: 11px 14px;
  border: 1.5px solid #cfdcea;
  border-radius: 12px;
  background: #fff;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(10, 79, 168, .12); }
.field.has-error input, .field.has-error textarea { border-color: #d43c3c; }
.field .error { color: #c22f2f; font-size: .9rem; }
.form .btn { justify-self: start; cursor: pointer; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.alert { margin: 0; padding: 10px 14px; border-radius: 12px; font-size: .95rem; }
.alert-error { background: #fdecec; color: #a32626; border: 1px solid #f5c6c6; }
.sent { border-color: #bfe5d1; background: #f3fbf7; }
.sent h2 { color: #178650; }
.sent p { color: var(--ink); margin-bottom: 1.2em; }

.note { color: var(--muted); font-size: .95rem; margin-top: 22px; }

/* Feature icons */
.icon {
  width: 50px; height: 50px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, #e3f1fb, #f1f8fd);
  color: var(--blue);
  margin-bottom: 14px;
  transition: background .25s ease, color .25s ease, transform .25s ease;
}
.icon svg { width: 24px; height: 24px; }
.card:hover .icon { background: var(--grad); color: #fff; transform: scale(1.06) rotate(-4deg); }

/* Info list */
.info { list-style: none; padding: 0; margin: 0; }
.info li { padding: 12px 0; border-bottom: 1px solid var(--line); }
.info li:first-child { padding-top: 0; }
.info li:last-child { border-bottom: 0; padding-bottom: 0; }
.info .label { display: block; font-size: .85rem; color: var(--muted); }
.info .value { font-weight: 600; color: var(--ink); }
.info a.value { color: var(--blue); text-decoration: none; }

.map { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; min-height: 360px; box-shadow: var(--shadow); align-self: stretch; }
.map iframe { width: 100%; height: 100%; min-height: 360px; border: 0; display: block; }

/* CTA banner */
.cta { background: none; border: 0; text-align: center; padding-top: 24px; }
.cta .wrap {
  position: relative;
  overflow: hidden;
  width: calc(100% - 32px);
  max-width: 1088px;
  padding: 52px 24px;
  border-radius: 28px;
  color: #fff;
  background: var(--grad);
  box-shadow: var(--shadow-lg);
}
.cta .wrap::before {
  content: "";
  position: absolute;
  width: 300px; height: 300px;
  right: -90px; top: -150px;
  border-radius: 50%;
  background: #45b4f0;
  opacity: .4;
  filter: blur(60px);
  pointer-events: none;
}
.cta .wrap > * { position: relative; }
.cta p { color: rgba(255, 255, 255, .85); margin-bottom: 0; }
.cta .btn-row { justify-content: center; margin-top: 22px; }
.cta .btn:not(.btn-wa) { background: #fff; border-color: #fff; color: var(--blue); }
.cta .btn.btn-outline { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .4); color: #fff; }
.cta .btn.btn-outline:hover { background: rgba(255, 255, 255, .18); }

/* Footer */
.site-footer { background: var(--navy); color: #a9b9cf; padding: 36px 0 96px; font-size: .95rem; }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.site-footer strong { color: #fff; font-family: var(--display); font-size: 1.1rem; }
.site-footer a { color: #fff; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.site-footer p { margin: 0 0 .3em; }
.site-footer .addr { max-width: 26em; }
.site-footer .credit { margin-top: 22px; padding-top: 16px; border-top: 1px solid rgba(255, 255, 255, .12); justify-content: space-between; align-items: center; gap: 6px 20px; font-size: .82rem; }
.site-footer .credit a { font-weight: 500; color: #e2e8f0; transition: color .2s ease; }
.site-footer .credit a:hover { color: #ffb27d; text-decoration: none; }

/* Floating call / WhatsApp bar (mobile) */
.quick-bar { display: none; }

/* Scroll reveal (classes are added by site.js) */
.js-reveal .reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease, box-shadow .25s ease, border-color .25s ease; }
.js-reveal .reveal.in { opacity: 1; transform: none; transition: opacity .6s ease, transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.js-reveal .card.reveal.in:hover { transform: translateY(-5px); }

/* Top-of-page entrance: pure CSS, so it never depends on the script */
.hero .wrap > *, .page-head .wrap > * { animation: rise .7s ease both; }
.hero .wrap > :nth-child(2), .page-head .wrap > :nth-child(2) { animation-delay: .12s; }
.hero .wrap > .hero-logo { animation: rise .7s ease .15s both, float 6s ease-in-out .9s infinite; }

@keyframes rise { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }
@keyframes float { 0%, 100% { translate: 0 0; } 50% { translate: 0 -10px; } }
@keyframes drift { from { translate: 0 0; } to { translate: 40px 30px; } }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 154, 85, .6); }
  100% { box-shadow: 0 0 0 12px rgba(255, 154, 85, 0); }
}

@media (max-width: 900px) {
  .grid-form { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-logo { max-width: 320px; }
  .stats .wrap > div { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
}

@media (max-width: 820px) {
  .js .menu-btn { display: grid; }
  .js .nav { display: none; width: 100%; flex-direction: column; align-items: stretch; gap: 4px; padding: 8px 0 10px; }
  .js .nav.open { display: flex; }
  .js .nav a { padding: 10px 14px; border-radius: 12px; }
  .js .nav a.lang, .js .nav a.btn { margin: 4px 0 0; text-align: center; justify-content: center; }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  section { padding: 44px 0; }
  .hero { padding: 44px 0 92px; }
  .page-head { padding: 40px 0 36px; }
  .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .brand img { height: 44px; }
  .stat { padding: 16px 14px; }
  .stat b { font-size: 1.2rem; }
  .cta .wrap { padding: 40px 18px; border-radius: 22px; }
  .site-footer { padding-bottom: 104px; }
  .quick-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    position: fixed;
    left: 10px; right: 10px; bottom: 10px;
    z-index: 20;
    padding: 6px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .9);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 28px rgba(15, 30, 54, .22);
  }
  .quick-bar a {
    text-align: center;
    text-decoration: none;
    font-family: var(--display);
    color: #fff;
    font-weight: 600;
    padding: 11px 8px;
    border-radius: 999px;
    background: var(--blue);
  }
  .quick-bar a.wa { background: var(--green); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}