:root {
  --emerald: #0f3b2e;
  --emerald-2: #16503f;
  --emerald-3: #1f6a54;
  --gold: #c9a45c;
  --gold-2: #b08a43;
  --gold-soft: #efe2c4;
  --ivory: #faf6ee;
  --ivory-2: #f3ecdf;
  --ink: #1d2420;
  --muted: #5d6762;
  --line: #e4dccb;
  --maroon: #7a2132;
  --radius: 14px;
  --shadow: 0 10px 30px -12px rgba(15, 59, 46, .25);
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Inter', system-ui, -apple-system, Segoe UI, sans-serif;
  --bangla: 'Hind Siliguri', 'Inter', sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { font-variant-numeric: lining-nums; margin: 0; font-family: var(--sans); color: var(--ink); background: #fff; line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; }
a { color: var(--emerald-3); }
h1, h2, h3 { font-variant-numeric: lining-nums; font-family: var(--serif); font-weight: 600; line-height: 1.15; margin: 0 0 .5em; color: var(--emerald); }
h2 { font-size: clamp(2rem, 3.6vw, 2.8rem); }
h3 { font-size: 1.45rem; }
p { margin: 0 0 1em; }
[lang="bn"], .bn { font-family: var(--bangla); }
.wrap { width: min(1180px, 92vw); margin: 0 auto; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.eyebrow { text-transform: uppercase; letter-spacing: .18em; font-size: .75rem; font-weight: 600; color: var(--gold-2); margin-bottom: .8rem; }
.eyebrow-gold { color: var(--gold); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .9rem 1.6rem; border-radius: 999px; font: 600 .95rem var(--sans); text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: transform .15s, background .2s, color .2s, box-shadow .2s; }
.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: .6; cursor: progress; transform: none; }
.btn-sm { padding: .55rem 1.1rem; font-size: .85rem; }
.btn-gold { background: linear-gradient(135deg, #d8b770, var(--gold-2)); color: #1c1407; box-shadow: 0 8px 20px -8px rgba(176, 138, 67, .7); }
.btn-dark { background: var(--emerald); color: #fff; }
.btn-dark:hover { background: var(--emerald-2); }
.btn-ghost { border-color: rgba(255,255,255,.45); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.08); }
.btn-ghost-dark { border-color: var(--emerald); color: var(--emerald); background: transparent; }
.btn-link { background: none; color: var(--muted); padding-left: 0; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; color: var(--emerald); }
.brand span { display: flex; flex-direction: column; line-height: 1.05; }
.brand strong { font-family: var(--serif); font-size: 1.6rem; font-weight: 700; letter-spacing: .01em; }
.brand small { font-family: var(--bangla); color: var(--gold-2); font-size: .8rem; }
.brand-light { color: #fff; }
.nav-links { display: flex; align-items: center; gap: 1.6rem; }
.nav-links a:not(.btn) { color: var(--ink); text-decoration: none; font-size: .92rem; font-weight: 500; }
.nav-links a:not(.btn):hover { color: var(--gold-2); }
.nav-toggle { display: none; background: none; border: 0; width: 40px; height: 40px; cursor: pointer; }
.nav-toggle span { display: block; height: 2px; background: var(--emerald); margin: 6px 8px; transition: .2s; }

/* Hero */
.hero { position: relative; overflow: hidden; background: radial-gradient(1200px 600px at 85% -10%, #1f6a54 0%, transparent 60%), var(--emerald); color: #e9efe9; padding: clamp(4.5rem, 10vw, 8rem) 0 clamp(4rem, 8vw, 6.5rem); }
.hero-pattern { position: absolute; inset: 0; opacity: .13; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Cg fill='none' stroke='%23c9a45c' stroke-width='1'%3E%3Cpath d='M40 4 L76 40 L40 76 L4 40 Z'/%3E%3Cpath d='M40 18 L62 40 L40 62 L18 40 Z'/%3E%3Ccircle cx='40' cy='40' r='5'/%3E%3Cpath d='M0 0 L8 8 M80 0 L72 8 M0 80 L8 72 M80 80 L72 72'/%3E%3C/g%3E%3C/svg%3E"); mask-image: linear-gradient(90deg, transparent 0%, #000 55%); -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 55%); }
.hero-logo { position: absolute; right: max(4vw, calc((100vw - 1180px) / 2)); top: 50%; transform: translateY(-50%); width: clamp(260px, 30vw, 420px); height: auto; filter: drop-shadow(0 18px 40px rgba(0,0,0,.35)); pointer-events: none; }
@media (max-width: 1080px) { .hero-logo { position: relative; right: auto; top: auto; transform: none; display: block; width: 190px; margin: 0 0 1.6rem max(4vw, calc((100vw - 1180px) / 2)); } }
.hero-inner { position: relative; max-width: 760px; margin-left: max(4vw, calc((100vw - 1180px) / 2)); }
.hero h1 { color: #fff; font-size: clamp(2.8rem, 6.4vw, 5rem); font-weight: 600; letter-spacing: -.01em; }
.hero h1 em { color: var(--gold); font-style: italic; }
.bangla-tagline { font-family: var(--bangla); font-size: 1.35rem; color: var(--gold-soft); margin-top: -.3rem; }
.lead { font-size: 1.12rem; color: #cfdcd5; max-width: 620px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: .9rem; margin: 2rem 0 2.2rem; }
.hero-points { display: flex; flex-wrap: wrap; gap: .6rem 1.6rem; list-style: none; padding: 0; margin: 0; font-size: .9rem; color: #b9cbc2; }
.hero-points li::before { content: '✦'; color: var(--gold); margin-right: .5rem; }

/* Sections */
.section { padding: clamp(4rem, 8vw, 6.5rem) 0; }
.section-ivory { background: var(--ivory); }
.section-dark { background: var(--emerald); color: #d6e2dc; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-head { max-width: 680px; margin-bottom: 3rem; }

/* Service cards */
.service-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.4rem; }
.service-card { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem 1.8rem 1.6rem; display: flex; flex-direction: column; transition: box-shadow .25s, transform .25s, border-color .25s; }
.service-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: var(--gold-soft); }
.service-icon { width: 56px; height: 56px; border-radius: 50%; background: var(--ivory); display: grid; place-items: center; margin-bottom: 1.2rem; color: var(--emerald); border: 1px solid var(--gold-soft); }
.service-icon svg { width: 28px; height: 28px; }
.service-card .bn { color: var(--gold-2); font-size: .95rem; margin: -.3rem 0 .6rem; }
.service-card .tagline { font-family: var(--serif); font-style: italic; font-size: 1.15rem; color: var(--emerald-2); margin-bottom: .6rem; }
.service-card p.desc { color: var(--muted); font-size: .95rem; flex: 1; margin-bottom: 1.4rem; }
.service-card .price { font-weight: 600; color: var(--emerald); font-size: .92rem; margin: .4rem 0 1.2rem; }
.card-actions { display: flex; gap: .6rem; flex-wrap: wrap; }
.card-actions .btn { padding: .6rem 1.1rem; font-size: .85rem; }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; counter-reset: s; }
.steps li { background: #fff; border-radius: var(--radius); padding: 2rem; border: 1px solid var(--line); }
.step-num { font-family: var(--bangla); display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--emerald); color: var(--gold); font-size: 1.3rem; margin-bottom: 1rem; }
.steps p { color: var(--muted); margin: 0; }

/* Promise */
.promise { display: grid; grid-template-columns: 1fr 1.2fr; gap: 4rem; align-items: start; }
.promise-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 1.6rem 2rem; }
.promise-list li { border-top: 1px solid rgba(201,164,92,.4); padding-top: 1.2rem; }
.promise-list h3 { font-size: 1.3rem; }
.promise-list p { margin: 0; font-size: .95rem; }

/* Booking */
.book-wrap { display: grid; grid-template-columns: .8fr 1.2fr; gap: 3.5rem; align-items: start; }
.book-aside { position: sticky; top: 100px; }
.contact-card { background: var(--ivory); border-radius: var(--radius); padding: 1.4rem 1.6rem; border-left: 3px solid var(--gold); margin-top: 1.5rem; }
.contact-card a { font-size: 1.3rem; font-family: var(--serif); font-weight: 700; color: var(--emerald); text-decoration: none; }
.contact-card p { margin: 0 0 .4rem; }
.book-form { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: clamp(1.4rem, 3vw, 2.4rem); box-shadow: var(--shadow); }
.form-progress { display: flex; gap: .5rem; margin-bottom: 1.6rem; }
.form-progress span { flex: 1; font-size: .78rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: #a3aaa6; padding-top: .6rem; border-top: 3px solid var(--line); transition: .3s; }
.form-progress span.active, .form-progress span.done { color: var(--emerald); border-color: var(--gold); }
.form-step { border: 0; padding: 0; margin: 0; display: none; }
.form-step.active { display: block; animation: fade .3s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
legend { font-family: var(--serif); font-size: 1.6rem; font-weight: 600; color: var(--emerald); margin-bottom: 1.2rem; padding: 0; }
.service-picker { display: grid; grid-template-columns: repeat(3, 1fr); gap: .7rem; margin-bottom: 1rem; }
.service-option { border: 1.5px solid var(--line); border-radius: 12px; padding: .9rem .7rem; text-align: center; cursor: pointer; background: #fff; font: 500 .88rem var(--sans); color: var(--ink); transition: .2s; display: flex; flex-direction: column; align-items: center; gap: .35rem; }
.service-option svg { width: 26px; height: 26px; color: var(--emerald-3); }
.service-option small { font-family: var(--bangla); color: var(--gold-2); font-size: .78rem; }
.service-option:hover { border-color: var(--gold); }
.service-option[aria-checked="true"] { border-color: var(--emerald); background: var(--ivory); box-shadow: inset 0 0 0 1px var(--emerald); }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.row-address { grid-template-columns: 2fr 1fr; }
.field { display: block; margin-bottom: 1rem; }
.field > span { display: block; font-size: .85rem; font-weight: 600; margin-bottom: .35rem; color: var(--ink); }
input, select, textarea { width: 100%; font: 400 .98rem var(--sans); padding: .78rem .9rem; border: 1.5px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); transition: border-color .2s, box-shadow .2s; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--emerald-3); box-shadow: 0 0 0 3px rgba(31,106,84,.12); }
.invalid input, .invalid select, input.invalid { border-color: var(--maroon); }
.field-error { color: var(--maroon); font-size: .8rem; margin: .3rem 0 0; min-height: 0; }
.field-error:empty { display: none; }
.form-error { color: var(--maroon); font-weight: 500; }
.form-error:empty { display: none; }
.check { display: flex; gap: .6rem; align-items: flex-start; font-size: .9rem; margin: .4rem 0 1rem; cursor: pointer; }
.check input { width: auto; margin-top: .25rem; accent-color: var(--emerald); }
.hp { position: absolute; left: -9999px; }
.form-nav { display: flex; justify-content: space-between; align-items: center; margin-top: 1.4rem; }
.form-done { text-align: center; padding: 2rem 0; }
.done-mark { width: 72px; height: 72px; border-radius: 50%; background: var(--emerald); color: var(--gold); display: grid; place-items: center; font-size: 2rem; margin: 0 auto 1rem; }
.form-done .ref { font-size: 1.1rem; }
.form-done .ref strong { font-family: var(--serif); font-size: 1.6rem; color: var(--emerald); letter-spacing: .06em; }

/* Track */
.track { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.track-form { display: grid; grid-template-columns: 1fr 1fr auto; gap: .7rem; }
.track-result { grid-column: 1 / -1; }
.track-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem 1.4rem; display: grid; gap: .3rem; }
.badge { display: inline-block; padding: .2rem .7rem; border-radius: 999px; font-size: .78rem; font-weight: 600; background: var(--gold-soft); color: #5a4313; }
.badge.completed { background: #d7ecdf; color: #1e5b3c; }
.badge.cancelled { background: #f4dadd; color: var(--maroon); }

/* FAQ */
.faq-wrap { display: grid; grid-template-columns: .8fr 1.2fr; gap: 4rem; }
.faq details { border-bottom: 1px solid var(--line); padding: 1.1rem 0; }
.faq summary { cursor: pointer; font-family: var(--serif); font-size: 1.3rem; font-weight: 600; color: var(--emerald); list-style: none; display: flex; justify-content: space-between; }
.faq summary::after { content: '+'; color: var(--gold-2); font-size: 1.5rem; line-height: 1; }
.faq details[open] summary::after { content: '–'; }
.faq details p { margin: .7rem 0 0; color: var(--muted); }

/* Footer */
.footer { background: #0a2a21; color: #a9bdb4; padding: 3rem 0; }
.footer a { color: var(--gold-soft); }
.footer-inner { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; align-items: flex-end; }
.footer .brand { margin-bottom: .8rem; }

/* Modal */
.modal { border: 0; border-radius: 20px; padding: 0; width: min(640px, 94vw); max-height: 90vh; box-shadow: 0 30px 80px -20px rgba(0,0,0,.4); }
.modal::backdrop { background: rgba(10, 30, 24, .55); backdrop-filter: blur(3px); }
.modal-close { position: absolute; top: .8rem; right: 1rem; background: none; border: 0; font-size: 2rem; cursor: pointer; color: var(--muted); line-height: 1; }
.modal-body { padding: 2.4rem 2.2rem 2rem; }
.modal-head { background: var(--emerald); color: #fff; padding: 2rem 2.2rem 1.6rem; }
.modal-head h3 { color: #fff; font-size: 2rem; margin: 0; }
.modal-head .bn { color: var(--gold); }
.modal ul.includes { list-style: none; padding: 0; margin: 1rem 0 1.4rem; }
.modal ul.includes li { padding: .45rem 0 .45rem 1.6rem; position: relative; border-bottom: 1px dashed var(--line); }
.modal ul.includes li::before { content: '✦'; position: absolute; left: 0; color: var(--gold-2); }

/* Responsive */
@media (max-width: 960px) {
  .promise, .book-wrap, .track, .faq-wrap { grid-template-columns: 1fr; gap: 2rem; }
  .book-aside { position: static; }
  .steps { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav-links { position: absolute; top: 72px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch; padding: 1rem 6vw 1.5rem; gap: .2rem; border-bottom: 1px solid var(--line); display: none; }
  .nav-links.open { display: flex; }
  .nav-links a:not(.btn) { padding: .7rem 0; border-bottom: 1px solid var(--ivory-2); }
  .nav-links .btn { margin-top: .8rem; }
  .service-picker { grid-template-columns: repeat(2, 1fr); }
  .row, .row-address, .promise-list, .track-form { grid-template-columns: 1fr; }
}